summaryrefslogtreecommitdiff
path: root/widget/cocoa/TextInputHandler.mm
diff options
context:
space:
mode:
Diffstat (limited to 'widget/cocoa/TextInputHandler.mm')
-rw-r--r--widget/cocoa/TextInputHandler.mm4533
1 files changed, 4533 insertions, 0 deletions
diff --git a/widget/cocoa/TextInputHandler.mm b/widget/cocoa/TextInputHandler.mm
new file mode 100644
index 0000000000..348d99ab69
--- /dev/null
+++ b/widget/cocoa/TextInputHandler.mm
@@ -0,0 +1,4533 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "TextInputHandler.h"
+
+#include "mozilla/Logging.h"
+
+#include "mozilla/ArrayUtils.h"
+#include "mozilla/AutoRestore.h"
+#include "mozilla/MiscEvents.h"
+#include "mozilla/MouseEvents.h"
+#include "mozilla/TextEventDispatcher.h"
+#include "mozilla/TextEvents.h"
+
+#include "nsChildView.h"
+#include "nsObjCExceptions.h"
+#include "nsBidiUtils.h"
+#include "nsToolkit.h"
+#include "nsCocoaUtils.h"
+#include "WidgetUtils.h"
+#include "nsPrintfCString.h"
+#include "ComplexTextInputPanel.h"
+
+using namespace mozilla;
+using namespace mozilla::widget;
+
+LazyLogModule gLog("TextInputHandlerWidgets");
+
+static const char*
+OnOrOff(bool aBool)
+{
+ return aBool ? "ON" : "off";
+}
+
+static const char*
+TrueOrFalse(bool aBool)
+{
+ return aBool ? "TRUE" : "FALSE";
+}
+
+static const char*
+GetKeyNameForNativeKeyCode(unsigned short aNativeKeyCode)
+{
+ switch (aNativeKeyCode) {
+ case kVK_Escape: return "Escape";
+ case kVK_RightCommand: return "Right-Command";
+ case kVK_Command: return "Command";
+ case kVK_Shift: return "Shift";
+ case kVK_CapsLock: return "CapsLock";
+ case kVK_Option: return "Option";
+ case kVK_Control: return "Control";
+ case kVK_RightShift: return "Right-Shift";
+ case kVK_RightOption: return "Right-Option";
+ case kVK_RightControl: return "Right-Control";
+ case kVK_ANSI_KeypadClear: return "Clear";
+
+ case kVK_F1: return "F1";
+ case kVK_F2: return "F2";
+ case kVK_F3: return "F3";
+ case kVK_F4: return "F4";
+ case kVK_F5: return "F5";
+ case kVK_F6: return "F6";
+ case kVK_F7: return "F7";
+ case kVK_F8: return "F8";
+ case kVK_F9: return "F9";
+ case kVK_F10: return "F10";
+ case kVK_F11: return "F11";
+ case kVK_F12: return "F12";
+ case kVK_F13: return "F13/PrintScreen";
+ case kVK_F14: return "F14/ScrollLock";
+ case kVK_F15: return "F15/Pause";
+
+ case kVK_ANSI_Keypad0: return "NumPad-0";
+ case kVK_ANSI_Keypad1: return "NumPad-1";
+ case kVK_ANSI_Keypad2: return "NumPad-2";
+ case kVK_ANSI_Keypad3: return "NumPad-3";
+ case kVK_ANSI_Keypad4: return "NumPad-4";
+ case kVK_ANSI_Keypad5: return "NumPad-5";
+ case kVK_ANSI_Keypad6: return "NumPad-6";
+ case kVK_ANSI_Keypad7: return "NumPad-7";
+ case kVK_ANSI_Keypad8: return "NumPad-8";
+ case kVK_ANSI_Keypad9: return "NumPad-9";
+
+ case kVK_ANSI_KeypadMultiply: return "NumPad-*";
+ case kVK_ANSI_KeypadPlus: return "NumPad-+";
+ case kVK_ANSI_KeypadMinus: return "NumPad--";
+ case kVK_ANSI_KeypadDecimal: return "NumPad-.";
+ case kVK_ANSI_KeypadDivide: return "NumPad-/";
+ case kVK_ANSI_KeypadEquals: return "NumPad-=";
+ case kVK_ANSI_KeypadEnter: return "NumPad-Enter";
+ case kVK_Return: return "Return";
+ case kVK_Powerbook_KeypadEnter: return "NumPad-EnterOnPowerBook";
+
+ case kVK_PC_Insert: return "Insert/Help";
+ case kVK_PC_Delete: return "Delete";
+ case kVK_Tab: return "Tab";
+ case kVK_PC_Backspace: return "Backspace";
+ case kVK_Home: return "Home";
+ case kVK_End: return "End";
+ case kVK_PageUp: return "PageUp";
+ case kVK_PageDown: return "PageDown";
+ case kVK_LeftArrow: return "LeftArrow";
+ case kVK_RightArrow: return "RightArrow";
+ case kVK_UpArrow: return "UpArrow";
+ case kVK_DownArrow: return "DownArrow";
+ case kVK_PC_ContextMenu: return "ContextMenu";
+
+ case kVK_Function: return "Function";
+ case kVK_VolumeUp: return "VolumeUp";
+ case kVK_VolumeDown: return "VolumeDown";
+ case kVK_Mute: return "Mute";
+
+ case kVK_ISO_Section: return "ISO_Section";
+
+ case kVK_JIS_Yen: return "JIS_Yen";
+ case kVK_JIS_Underscore: return "JIS_Underscore";
+ case kVK_JIS_KeypadComma: return "JIS_KeypadComma";
+ case kVK_JIS_Eisu: return "JIS_Eisu";
+ case kVK_JIS_Kana: return "JIS_Kana";
+
+ case kVK_ANSI_A: return "A";
+ case kVK_ANSI_B: return "B";
+ case kVK_ANSI_C: return "C";
+ case kVK_ANSI_D: return "D";
+ case kVK_ANSI_E: return "E";
+ case kVK_ANSI_F: return "F";
+ case kVK_ANSI_G: return "G";
+ case kVK_ANSI_H: return "H";
+ case kVK_ANSI_I: return "I";
+ case kVK_ANSI_J: return "J";
+ case kVK_ANSI_K: return "K";
+ case kVK_ANSI_L: return "L";
+ case kVK_ANSI_M: return "M";
+ case kVK_ANSI_N: return "N";
+ case kVK_ANSI_O: return "O";
+ case kVK_ANSI_P: return "P";
+ case kVK_ANSI_Q: return "Q";
+ case kVK_ANSI_R: return "R";
+ case kVK_ANSI_S: return "S";
+ case kVK_ANSI_T: return "T";
+ case kVK_ANSI_U: return "U";
+ case kVK_ANSI_V: return "V";
+ case kVK_ANSI_W: return "W";
+ case kVK_ANSI_X: return "X";
+ case kVK_ANSI_Y: return "Y";
+ case kVK_ANSI_Z: return "Z";
+
+ case kVK_ANSI_1: return "1";
+ case kVK_ANSI_2: return "2";
+ case kVK_ANSI_3: return "3";
+ case kVK_ANSI_4: return "4";
+ case kVK_ANSI_5: return "5";
+ case kVK_ANSI_6: return "6";
+ case kVK_ANSI_7: return "7";
+ case kVK_ANSI_8: return "8";
+ case kVK_ANSI_9: return "9";
+ case kVK_ANSI_0: return "0";
+ case kVK_ANSI_Equal: return "Equal";
+ case kVK_ANSI_Minus: return "Minus";
+ case kVK_ANSI_RightBracket: return "RightBracket";
+ case kVK_ANSI_LeftBracket: return "LeftBracket";
+ case kVK_ANSI_Quote: return "Quote";
+ case kVK_ANSI_Semicolon: return "Semicolon";
+ case kVK_ANSI_Backslash: return "Backslash";
+ case kVK_ANSI_Comma: return "Comma";
+ case kVK_ANSI_Slash: return "Slash";
+ case kVK_ANSI_Period: return "Period";
+ case kVK_ANSI_Grave: return "Grave";
+
+ default: return "undefined";
+ }
+}
+
+static const char*
+GetCharacters(const NSString* aString)
+{
+ nsAutoString str;
+ nsCocoaUtils::GetStringForNSString(aString, str);
+ if (str.IsEmpty()) {
+ return "";
+ }
+
+ nsAutoString escapedStr;
+ for (uint32_t i = 0; i < str.Length(); i++) {
+ char16_t ch = str[i];
+ if (ch < 0x20) {
+ nsPrintfCString utf8str("(U+%04X)", ch);
+ escapedStr += NS_ConvertUTF8toUTF16(utf8str);
+ } else if (ch <= 0x7E) {
+ escapedStr += ch;
+ } else {
+ nsPrintfCString utf8str("(U+%04X)", ch);
+ escapedStr += ch;
+ escapedStr += NS_ConvertUTF8toUTF16(utf8str);
+ }
+ }
+
+ // the result will be freed automatically by cocoa.
+ NSString* result = nsCocoaUtils::ToNSString(escapedStr);
+ return [result UTF8String];
+}
+
+static const char*
+GetCharacters(const CFStringRef aString)
+{
+ const NSString* str = reinterpret_cast<const NSString*>(aString);
+ return GetCharacters(str);
+}
+
+static const char*
+GetNativeKeyEventType(NSEvent* aNativeEvent)
+{
+ switch ([aNativeEvent type]) {
+ case NSKeyDown: return "NSKeyDown";
+ case NSKeyUp: return "NSKeyUp";
+ case NSFlagsChanged: return "NSFlagsChanged";
+ default: return "not key event";
+ }
+}
+
+static const char*
+GetGeckoKeyEventType(const WidgetEvent& aEvent)
+{
+ switch (aEvent.mMessage) {
+ case eKeyDown: return "eKeyDown";
+ case eKeyUp: return "eKeyUp";
+ case eKeyPress: return "eKeyPress";
+ default: return "not key event";
+ }
+}
+
+static const char*
+GetWindowLevelName(NSInteger aWindowLevel)
+{
+ switch (aWindowLevel) {
+ case kCGBaseWindowLevelKey:
+ return "kCGBaseWindowLevelKey (NSNormalWindowLevel)";
+ case kCGMinimumWindowLevelKey:
+ return "kCGMinimumWindowLevelKey";
+ case kCGDesktopWindowLevelKey:
+ return "kCGDesktopWindowLevelKey";
+ case kCGBackstopMenuLevelKey:
+ return "kCGBackstopMenuLevelKey";
+ case kCGNormalWindowLevelKey:
+ return "kCGNormalWindowLevelKey";
+ case kCGFloatingWindowLevelKey:
+ return "kCGFloatingWindowLevelKey (NSFloatingWindowLevel)";
+ case kCGTornOffMenuWindowLevelKey:
+ return "kCGTornOffMenuWindowLevelKey (NSSubmenuWindowLevel, NSTornOffMenuWindowLevel)";
+ case kCGDockWindowLevelKey:
+ return "kCGDockWindowLevelKey (NSDockWindowLevel)";
+ case kCGMainMenuWindowLevelKey:
+ return "kCGMainMenuWindowLevelKey (NSMainMenuWindowLevel)";
+ case kCGStatusWindowLevelKey:
+ return "kCGStatusWindowLevelKey (NSStatusWindowLevel)";
+ case kCGModalPanelWindowLevelKey:
+ return "kCGModalPanelWindowLevelKey (NSModalPanelWindowLevel)";
+ case kCGPopUpMenuWindowLevelKey:
+ return "kCGPopUpMenuWindowLevelKey (NSPopUpMenuWindowLevel)";
+ case kCGDraggingWindowLevelKey:
+ return "kCGDraggingWindowLevelKey";
+ case kCGScreenSaverWindowLevelKey:
+ return "kCGScreenSaverWindowLevelKey (NSScreenSaverWindowLevel)";
+ case kCGMaximumWindowLevelKey:
+ return "kCGMaximumWindowLevelKey";
+ case kCGOverlayWindowLevelKey:
+ return "kCGOverlayWindowLevelKey";
+ case kCGHelpWindowLevelKey:
+ return "kCGHelpWindowLevelKey";
+ case kCGUtilityWindowLevelKey:
+ return "kCGUtilityWindowLevelKey";
+ case kCGDesktopIconWindowLevelKey:
+ return "kCGDesktopIconWindowLevelKey";
+ case kCGCursorWindowLevelKey:
+ return "kCGCursorWindowLevelKey";
+ case kCGNumberOfWindowLevelKeys:
+ return "kCGNumberOfWindowLevelKeys";
+ default:
+ return "unknown window level";
+ }
+}
+
+static bool
+IsControlChar(uint32_t aCharCode)
+{
+ return aCharCode < ' ' || aCharCode == 0x7F;
+}
+
+static uint32_t gHandlerInstanceCount = 0;
+
+static void
+EnsureToLogAllKeyboardLayoutsAndIMEs()
+{
+ static bool sDone = false;
+ if (!sDone) {
+ sDone = true;
+ TextInputHandler::DebugPrintAllKeyboardLayouts();
+ IMEInputHandler::DebugPrintAllIMEModes();
+ }
+}
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * TISInputSourceWrapper implementation
+ *
+ ******************************************************************************/
+
+TISInputSourceWrapper* TISInputSourceWrapper::sCurrentInputSource = nullptr;
+
+// static
+TISInputSourceWrapper&
+TISInputSourceWrapper::CurrentInputSource()
+{
+ if (!sCurrentInputSource) {
+ sCurrentInputSource = new TISInputSourceWrapper();
+ }
+ if (!sCurrentInputSource->IsInitializedByCurrentInputSource()) {
+ sCurrentInputSource->InitByCurrentInputSource();
+ }
+ return *sCurrentInputSource;
+}
+
+// static
+void
+TISInputSourceWrapper::Shutdown()
+{
+ if (!sCurrentInputSource) {
+ return;
+ }
+ sCurrentInputSource->Clear();
+ delete sCurrentInputSource;
+ sCurrentInputSource = nullptr;
+}
+
+bool
+TISInputSourceWrapper::TranslateToString(UInt32 aKeyCode, UInt32 aModifiers,
+ UInt32 aKbType, nsAString &aStr)
+{
+ aStr.Truncate();
+
+ const UCKeyboardLayout* UCKey = GetUCKeyboardLayout();
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::TranslateToString, aKeyCode=0x%X, "
+ "aModifiers=0x%X, aKbType=0x%X UCKey=%p\n "
+ "Shift: %s, Ctrl: %s, Opt: %s, Cmd: %s, CapsLock: %s, NumLock: %s",
+ this, aKeyCode, aModifiers, aKbType, UCKey,
+ OnOrOff(aModifiers & shiftKey), OnOrOff(aModifiers & controlKey),
+ OnOrOff(aModifiers & optionKey), OnOrOff(aModifiers & cmdKey),
+ OnOrOff(aModifiers & alphaLock),
+ OnOrOff(aModifiers & kEventKeyModifierNumLockMask)));
+
+ NS_ENSURE_TRUE(UCKey, false);
+
+ UInt32 deadKeyState = 0;
+ UniCharCount len;
+ UniChar chars[5];
+ OSStatus err = ::UCKeyTranslate(UCKey, aKeyCode,
+ kUCKeyActionDown, aModifiers >> 8,
+ aKbType, kUCKeyTranslateNoDeadKeysMask,
+ &deadKeyState, 5, &len, chars);
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::TranslateToString, err=0x%X, len=%llu",
+ this, err, len));
+
+ NS_ENSURE_TRUE(err == noErr, false);
+ if (len == 0) {
+ return true;
+ }
+ NS_ENSURE_TRUE(EnsureStringLength(aStr, len), false);
+ NS_ASSERTION(sizeof(char16_t) == sizeof(UniChar),
+ "size of char16_t and size of UniChar are different");
+ memcpy(aStr.BeginWriting(), chars, len * sizeof(char16_t));
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::TranslateToString, aStr=\"%s\"",
+ this, NS_ConvertUTF16toUTF8(aStr).get()));
+
+ return true;
+}
+
+uint32_t
+TISInputSourceWrapper::TranslateToChar(UInt32 aKeyCode, UInt32 aModifiers,
+ UInt32 aKbType)
+{
+ nsAutoString str;
+ if (!TranslateToString(aKeyCode, aModifiers, aKbType, str) ||
+ str.Length() != 1) {
+ return 0;
+ }
+ return static_cast<uint32_t>(str.CharAt(0));
+}
+
+void
+TISInputSourceWrapper::InitByInputSourceID(const char* aID)
+{
+ Clear();
+ if (!aID)
+ return;
+
+ CFStringRef idstr = ::CFStringCreateWithCString(kCFAllocatorDefault, aID,
+ kCFStringEncodingASCII);
+ InitByInputSourceID(idstr);
+ ::CFRelease(idstr);
+}
+
+void
+TISInputSourceWrapper::InitByInputSourceID(const nsAFlatString &aID)
+{
+ Clear();
+ if (aID.IsEmpty())
+ return;
+ CFStringRef idstr = ::CFStringCreateWithCharacters(kCFAllocatorDefault,
+ reinterpret_cast<const UniChar*>(aID.get()),
+ aID.Length());
+ InitByInputSourceID(idstr);
+ ::CFRelease(idstr);
+}
+
+void
+TISInputSourceWrapper::InitByInputSourceID(const CFStringRef aID)
+{
+ Clear();
+ if (!aID)
+ return;
+ const void* keys[] = { kTISPropertyInputSourceID };
+ const void* values[] = { aID };
+ CFDictionaryRef filter =
+ ::CFDictionaryCreate(kCFAllocatorDefault, keys, values, 1, NULL, NULL);
+ NS_ASSERTION(filter, "failed to create the filter");
+ mInputSourceList = ::TISCreateInputSourceList(filter, true);
+ ::CFRelease(filter);
+ if (::CFArrayGetCount(mInputSourceList) > 0) {
+ mInputSource = static_cast<TISInputSourceRef>(
+ const_cast<void *>(::CFArrayGetValueAtIndex(mInputSourceList, 0)));
+ if (IsKeyboardLayout()) {
+ mKeyboardLayout = mInputSource;
+ }
+ }
+}
+
+void
+TISInputSourceWrapper::InitByLayoutID(SInt32 aLayoutID,
+ bool aOverrideKeyboard)
+{
+ // NOTE: Doument new layout IDs in TextInputHandler.h when you add ones.
+ switch (aLayoutID) {
+ case 0:
+ InitByInputSourceID("com.apple.keylayout.US");
+ break;
+ case 1:
+ InitByInputSourceID("com.apple.keylayout.Greek");
+ break;
+ case 2:
+ InitByInputSourceID("com.apple.keylayout.German");
+ break;
+ case 3:
+ InitByInputSourceID("com.apple.keylayout.Swedish-Pro");
+ break;
+ case 4:
+ InitByInputSourceID("com.apple.keylayout.DVORAK-QWERTYCMD");
+ break;
+ case 5:
+ InitByInputSourceID("com.apple.keylayout.Thai");
+ break;
+ case 6:
+ InitByInputSourceID("com.apple.keylayout.Arabic");
+ break;
+ case 7:
+ InitByInputSourceID("com.apple.keylayout.ArabicPC");
+ break;
+ case 8:
+ InitByInputSourceID("com.apple.keylayout.French");
+ break;
+ case 9:
+ InitByInputSourceID("com.apple.keylayout.Hebrew");
+ break;
+ case 10:
+ InitByInputSourceID("com.apple.keylayout.Lithuanian");
+ break;
+ case 11:
+ InitByInputSourceID("com.apple.keylayout.Norwegian");
+ break;
+ case 12:
+ InitByInputSourceID("com.apple.keylayout.Spanish");
+ break;
+ default:
+ Clear();
+ break;
+ }
+ mOverrideKeyboard = aOverrideKeyboard;
+}
+
+void
+TISInputSourceWrapper::InitByCurrentInputSource()
+{
+ Clear();
+ mInputSource = ::TISCopyCurrentKeyboardInputSource();
+ mKeyboardLayout = ::TISCopyInputMethodKeyboardLayoutOverride();
+ if (!mKeyboardLayout) {
+ mKeyboardLayout = ::TISCopyCurrentKeyboardLayoutInputSource();
+ }
+ // If this causes composition, the current keyboard layout may input non-ASCII
+ // characters such as Japanese Kana characters or Hangul characters.
+ // However, we need to set ASCII characters to DOM key events for consistency
+ // with other platforms.
+ if (IsOpenedIMEMode()) {
+ TISInputSourceWrapper tis(mKeyboardLayout);
+ if (!tis.IsASCIICapable()) {
+ mKeyboardLayout =
+ ::TISCopyCurrentASCIICapableKeyboardLayoutInputSource();
+ }
+ }
+}
+
+void
+TISInputSourceWrapper::InitByCurrentKeyboardLayout()
+{
+ Clear();
+ mInputSource = ::TISCopyCurrentKeyboardLayoutInputSource();
+ mKeyboardLayout = mInputSource;
+}
+
+void
+TISInputSourceWrapper::InitByCurrentASCIICapableInputSource()
+{
+ Clear();
+ mInputSource = ::TISCopyCurrentASCIICapableKeyboardInputSource();
+ mKeyboardLayout = ::TISCopyInputMethodKeyboardLayoutOverride();
+ if (mKeyboardLayout) {
+ TISInputSourceWrapper tis(mKeyboardLayout);
+ if (!tis.IsASCIICapable()) {
+ mKeyboardLayout = nullptr;
+ }
+ }
+ if (!mKeyboardLayout) {
+ mKeyboardLayout =
+ ::TISCopyCurrentASCIICapableKeyboardLayoutInputSource();
+ }
+}
+
+void
+TISInputSourceWrapper::InitByCurrentASCIICapableKeyboardLayout()
+{
+ Clear();
+ mInputSource = ::TISCopyCurrentASCIICapableKeyboardLayoutInputSource();
+ mKeyboardLayout = mInputSource;
+}
+
+void
+TISInputSourceWrapper::InitByCurrentInputMethodKeyboardLayoutOverride()
+{
+ Clear();
+ mInputSource = ::TISCopyInputMethodKeyboardLayoutOverride();
+ mKeyboardLayout = mInputSource;
+}
+
+void
+TISInputSourceWrapper::InitByTISInputSourceRef(TISInputSourceRef aInputSource)
+{
+ Clear();
+ mInputSource = aInputSource;
+ if (IsKeyboardLayout()) {
+ mKeyboardLayout = mInputSource;
+ }
+}
+
+void
+TISInputSourceWrapper::InitByLanguage(CFStringRef aLanguage)
+{
+ Clear();
+ mInputSource = ::TISCopyInputSourceForLanguage(aLanguage);
+ if (IsKeyboardLayout()) {
+ mKeyboardLayout = mInputSource;
+ }
+}
+
+const UCKeyboardLayout*
+TISInputSourceWrapper::GetUCKeyboardLayout()
+{
+ NS_ENSURE_TRUE(mKeyboardLayout, nullptr);
+ if (mUCKeyboardLayout) {
+ return mUCKeyboardLayout;
+ }
+ CFDataRef uchr = static_cast<CFDataRef>(
+ ::TISGetInputSourceProperty(mKeyboardLayout,
+ kTISPropertyUnicodeKeyLayoutData));
+
+ // We should be always able to get the layout here.
+ NS_ENSURE_TRUE(uchr, nullptr);
+ mUCKeyboardLayout =
+ reinterpret_cast<const UCKeyboardLayout*>(CFDataGetBytePtr(uchr));
+ return mUCKeyboardLayout;
+}
+
+bool
+TISInputSourceWrapper::GetBoolProperty(const CFStringRef aKey)
+{
+ CFBooleanRef ret = static_cast<CFBooleanRef>(
+ ::TISGetInputSourceProperty(mInputSource, aKey));
+ return ::CFBooleanGetValue(ret);
+}
+
+bool
+TISInputSourceWrapper::GetStringProperty(const CFStringRef aKey,
+ CFStringRef &aStr)
+{
+ aStr = static_cast<CFStringRef>(
+ ::TISGetInputSourceProperty(mInputSource, aKey));
+ return aStr != nullptr;
+}
+
+bool
+TISInputSourceWrapper::GetStringProperty(const CFStringRef aKey,
+ nsAString &aStr)
+{
+ CFStringRef str;
+ GetStringProperty(aKey, str);
+ nsCocoaUtils::GetStringForNSString((const NSString*)str, aStr);
+ return !aStr.IsEmpty();
+}
+
+bool
+TISInputSourceWrapper::IsOpenedIMEMode()
+{
+ NS_ENSURE_TRUE(mInputSource, false);
+ if (!IsIMEMode())
+ return false;
+ return !IsASCIICapable();
+}
+
+bool
+TISInputSourceWrapper::IsIMEMode()
+{
+ NS_ENSURE_TRUE(mInputSource, false);
+ CFStringRef str;
+ GetInputSourceType(str);
+ NS_ENSURE_TRUE(str, false);
+ return ::CFStringCompare(kTISTypeKeyboardInputMode,
+ str, 0) == kCFCompareEqualTo;
+}
+
+bool
+TISInputSourceWrapper::IsKeyboardLayout()
+{
+ NS_ENSURE_TRUE(mInputSource, false);
+ CFStringRef str;
+ GetInputSourceType(str);
+ NS_ENSURE_TRUE(str, false);
+ return ::CFStringCompare(kTISTypeKeyboardLayout,
+ str, 0) == kCFCompareEqualTo;
+}
+
+bool
+TISInputSourceWrapper::GetLanguageList(CFArrayRef &aLanguageList)
+{
+ NS_ENSURE_TRUE(mInputSource, false);
+ aLanguageList = static_cast<CFArrayRef>(
+ ::TISGetInputSourceProperty(mInputSource,
+ kTISPropertyInputSourceLanguages));
+ return aLanguageList != nullptr;
+}
+
+bool
+TISInputSourceWrapper::GetPrimaryLanguage(CFStringRef &aPrimaryLanguage)
+{
+ NS_ENSURE_TRUE(mInputSource, false);
+ CFArrayRef langList;
+ NS_ENSURE_TRUE(GetLanguageList(langList), false);
+ if (::CFArrayGetCount(langList) == 0)
+ return false;
+ aPrimaryLanguage =
+ static_cast<CFStringRef>(::CFArrayGetValueAtIndex(langList, 0));
+ return aPrimaryLanguage != nullptr;
+}
+
+bool
+TISInputSourceWrapper::GetPrimaryLanguage(nsAString &aPrimaryLanguage)
+{
+ NS_ENSURE_TRUE(mInputSource, false);
+ CFStringRef primaryLanguage;
+ NS_ENSURE_TRUE(GetPrimaryLanguage(primaryLanguage), false);
+ nsCocoaUtils::GetStringForNSString((const NSString*)primaryLanguage,
+ aPrimaryLanguage);
+ return !aPrimaryLanguage.IsEmpty();
+}
+
+bool
+TISInputSourceWrapper::IsForRTLLanguage()
+{
+ if (mIsRTL < 0) {
+ // Get the input character of the 'A' key of ANSI keyboard layout.
+ nsAutoString str;
+ bool ret = TranslateToString(kVK_ANSI_A, 0, eKbdType_ANSI, str);
+ NS_ENSURE_TRUE(ret, ret);
+ char16_t ch = str.IsEmpty() ? char16_t(0) : str.CharAt(0);
+ mIsRTL = UCS2_CHAR_IS_BIDI(ch);
+ }
+ return mIsRTL != 0;
+}
+
+bool
+TISInputSourceWrapper::IsInitializedByCurrentInputSource()
+{
+ return mInputSource == ::TISCopyCurrentKeyboardInputSource();
+}
+
+void
+TISInputSourceWrapper::Select()
+{
+ if (!mInputSource)
+ return;
+ ::TISSelectInputSource(mInputSource);
+}
+
+void
+TISInputSourceWrapper::Clear()
+{
+ // Clear() is always called when TISInputSourceWrappper is created.
+ EnsureToLogAllKeyboardLayoutsAndIMEs();
+
+ if (mInputSourceList) {
+ ::CFRelease(mInputSourceList);
+ }
+ mInputSourceList = nullptr;
+ mInputSource = nullptr;
+ mKeyboardLayout = nullptr;
+ mIsRTL = -1;
+ mUCKeyboardLayout = nullptr;
+ mOverrideKeyboard = false;
+}
+
+bool
+TISInputSourceWrapper::IsPrintableKeyEvent(NSEvent* aNativeKeyEvent) const
+{
+ UInt32 nativeKeyCode = [aNativeKeyEvent keyCode];
+
+ bool isPrintableKey = !TextInputHandler::IsSpecialGeckoKey(nativeKeyCode);
+ if (isPrintableKey &&
+ [aNativeKeyEvent type] != NSKeyDown &&
+ [aNativeKeyEvent type] != NSKeyUp) {
+ NS_WARNING("Why the printable key doesn't cause NSKeyDown or NSKeyUp?");
+ isPrintableKey = false;
+ }
+ return isPrintableKey;
+}
+
+UInt32
+TISInputSourceWrapper::GetKbdType() const
+{
+ // If a keyboard layout override is set, we also need to force the keyboard
+ // type to something ANSI to avoid test failures on machines with JIS
+ // keyboards (since the pair of keyboard layout and physical keyboard type
+ // form the actual key layout). This assumes that the test setting the
+ // override was written assuming an ANSI keyboard.
+ return mOverrideKeyboard ? eKbdType_ANSI : ::LMGetKbdType();
+}
+
+void
+TISInputSourceWrapper::ComputeInsertStringForCharCode(
+ NSEvent* aNativeKeyEvent,
+ const WidgetKeyboardEvent& aKeyEvent,
+ const nsAString* aInsertString,
+ nsAString& aResult)
+{
+ if (aInsertString) {
+ // If the caller expects that the aInsertString will be input, we shouldn't
+ // change it.
+ aResult = *aInsertString;
+ } else if (IsPrintableKeyEvent(aNativeKeyEvent)) {
+ // If IME is open, [aNativeKeyEvent characters] may be a character
+ // which will be appended to the composition string. However, especially,
+ // while IME is disabled, most users and developers expect the key event
+ // works as IME closed. So, we should compute the aResult with
+ // the ASCII capable keyboard layout.
+ // NOTE: Such keyboard layouts typically change the layout to its ASCII
+ // capable layout when Command key is pressed. And we don't worry
+ // when Control key is pressed too because it causes inputting
+ // control characters.
+ // Additionally, if the key event doesn't input any text, the event may be
+ // dead key event. In this case, the charCode value should be the dead
+ // character.
+ UInt32 nativeKeyCode = [aNativeKeyEvent keyCode];
+ if ((!aKeyEvent.IsMeta() && !aKeyEvent.IsControl() && IsOpenedIMEMode()) ||
+ ![[aNativeKeyEvent characters] length]) {
+ UInt32 state =
+ nsCocoaUtils::ConvertToCarbonModifier([aNativeKeyEvent modifierFlags]);
+ uint32_t ch = TranslateToChar(nativeKeyCode, state, GetKbdType());
+ if (ch) {
+ aResult = ch;
+ }
+ } else {
+ // If the caller isn't sure what string will be input, let's use
+ // characters of NSEvent.
+ nsCocoaUtils::GetStringForNSString([aNativeKeyEvent characters], aResult);
+ }
+
+ // If control key is pressed and the eventChars is a non-printable control
+ // character, we should convert it to ASCII alphabet.
+ if (aKeyEvent.IsControl() &&
+ !aResult.IsEmpty() && aResult[0] <= char16_t(26)) {
+ aResult = (aKeyEvent.IsShift() ^ aKeyEvent.IsCapsLocked()) ?
+ static_cast<char16_t>(aResult[0] + ('A' - 1)) :
+ static_cast<char16_t>(aResult[0] + ('a' - 1));
+ }
+ // If Meta key is pressed, it may cause to switch the keyboard layout like
+ // Arabic, Russian, Hebrew, Greek and Dvorak-QWERTY.
+ else if (aKeyEvent.IsMeta() &&
+ !(aKeyEvent.IsControl() || aKeyEvent.IsAlt())) {
+ UInt32 kbType = GetKbdType();
+ UInt32 numLockState =
+ aKeyEvent.IsNumLocked() ? kEventKeyModifierNumLockMask : 0;
+ UInt32 capsLockState = aKeyEvent.IsCapsLocked() ? alphaLock : 0;
+ UInt32 shiftState = aKeyEvent.IsShift() ? shiftKey : 0;
+ uint32_t uncmdedChar =
+ TranslateToChar(nativeKeyCode, numLockState, kbType);
+ uint32_t cmdedChar =
+ TranslateToChar(nativeKeyCode, cmdKey | numLockState, kbType);
+ // If we can make a good guess at the characters that the user would
+ // expect this key combination to produce (with and without Shift) then
+ // use those characters. This also corrects for CapsLock.
+ uint32_t ch = 0;
+ if (uncmdedChar == cmdedChar) {
+ // The characters produced with Command seem similar to those without
+ // Command.
+ ch = TranslateToChar(nativeKeyCode,
+ shiftState | capsLockState | numLockState, kbType);
+ } else {
+ TISInputSourceWrapper USLayout("com.apple.keylayout.US");
+ uint32_t uncmdedUSChar =
+ USLayout.TranslateToChar(nativeKeyCode, numLockState, kbType);
+ // If it looks like characters from US keyboard layout when Command key
+ // is pressed, we should compute a character in the layout.
+ if (uncmdedUSChar == cmdedChar) {
+ ch = USLayout.TranslateToChar(nativeKeyCode,
+ shiftState | capsLockState | numLockState, kbType);
+ }
+ }
+
+ // If there is a more preferred character for the commanded key event,
+ // we should use it.
+ if (ch) {
+ aResult = ch;
+ }
+ }
+ }
+
+ // Remove control characters which shouldn't be inputted on editor.
+ // XXX Currently, we don't find any cases inserting control characters with
+ // printable character. So, just checking first character is enough.
+ if (!aResult.IsEmpty() && IsControlChar(aResult[0])) {
+ aResult.Truncate();
+ }
+}
+
+void
+TISInputSourceWrapper::InitKeyEvent(NSEvent *aNativeKeyEvent,
+ WidgetKeyboardEvent& aKeyEvent,
+ const nsAString *aInsertString)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::InitKeyEvent, aNativeKeyEvent=%p, "
+ "aKeyEvent.mMessage=%s, aInsertString=%p, IsOpenedIMEMode()=%s",
+ this, aNativeKeyEvent, GetGeckoKeyEventType(aKeyEvent), aInsertString,
+ TrueOrFalse(IsOpenedIMEMode())));
+
+ NS_ENSURE_TRUE(aNativeKeyEvent, );
+
+ nsCocoaUtils::InitInputEvent(aKeyEvent, aNativeKeyEvent);
+
+ // This is used only while dispatching the event (which is a synchronous
+ // call), so there is no need to retain and release this data.
+ aKeyEvent.mNativeKeyEvent = aNativeKeyEvent;
+
+ // Fill in fields used for Cocoa NPAPI plugins
+ if ([aNativeKeyEvent type] == NSKeyDown ||
+ [aNativeKeyEvent type] == NSKeyUp) {
+ aKeyEvent.mNativeKeyCode = [aNativeKeyEvent keyCode];
+ aKeyEvent.mNativeModifierFlags = [aNativeKeyEvent modifierFlags];
+ nsAutoString nativeChars;
+ nsCocoaUtils::GetStringForNSString([aNativeKeyEvent characters], nativeChars);
+ aKeyEvent.mNativeCharacters.Assign(nativeChars);
+ nsAutoString nativeCharsIgnoringModifiers;
+ nsCocoaUtils::GetStringForNSString([aNativeKeyEvent charactersIgnoringModifiers], nativeCharsIgnoringModifiers);
+ aKeyEvent.mNativeCharactersIgnoringModifiers.Assign(nativeCharsIgnoringModifiers);
+ } else if ([aNativeKeyEvent type] == NSFlagsChanged) {
+ aKeyEvent.mNativeKeyCode = [aNativeKeyEvent keyCode];
+ aKeyEvent.mNativeModifierFlags = [aNativeKeyEvent modifierFlags];
+ }
+
+ aKeyEvent.mRefPoint = LayoutDeviceIntPoint(0, 0);
+ aKeyEvent.mIsChar = false; // XXX not used in XP level
+
+ UInt32 kbType = GetKbdType();
+ UInt32 nativeKeyCode = [aNativeKeyEvent keyCode];
+
+ aKeyEvent.mKeyCode =
+ ComputeGeckoKeyCode(nativeKeyCode, kbType, aKeyEvent.IsMeta());
+
+ switch (nativeKeyCode) {
+ case kVK_Command:
+ case kVK_Shift:
+ case kVK_Option:
+ case kVK_Control:
+ aKeyEvent.mLocation = nsIDOMKeyEvent::DOM_KEY_LOCATION_LEFT;
+ break;
+
+ case kVK_RightCommand:
+ case kVK_RightShift:
+ case kVK_RightOption:
+ case kVK_RightControl:
+ aKeyEvent.mLocation = nsIDOMKeyEvent::DOM_KEY_LOCATION_RIGHT;
+ break;
+
+ case kVK_ANSI_Keypad0:
+ case kVK_ANSI_Keypad1:
+ case kVK_ANSI_Keypad2:
+ case kVK_ANSI_Keypad3:
+ case kVK_ANSI_Keypad4:
+ case kVK_ANSI_Keypad5:
+ case kVK_ANSI_Keypad6:
+ case kVK_ANSI_Keypad7:
+ case kVK_ANSI_Keypad8:
+ case kVK_ANSI_Keypad9:
+ case kVK_ANSI_KeypadMultiply:
+ case kVK_ANSI_KeypadPlus:
+ case kVK_ANSI_KeypadMinus:
+ case kVK_ANSI_KeypadDecimal:
+ case kVK_ANSI_KeypadDivide:
+ case kVK_ANSI_KeypadEquals:
+ case kVK_ANSI_KeypadEnter:
+ case kVK_JIS_KeypadComma:
+ case kVK_Powerbook_KeypadEnter:
+ aKeyEvent.mLocation = nsIDOMKeyEvent::DOM_KEY_LOCATION_NUMPAD;
+ break;
+
+ default:
+ aKeyEvent.mLocation = nsIDOMKeyEvent::DOM_KEY_LOCATION_STANDARD;
+ break;
+ }
+
+ aKeyEvent.mIsRepeat =
+ ([aNativeKeyEvent type] == NSKeyDown) ? [aNativeKeyEvent isARepeat] : false;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::InitKeyEvent, "
+ "shift=%s, ctrl=%s, alt=%s, meta=%s",
+ this, OnOrOff(aKeyEvent.IsShift()), OnOrOff(aKeyEvent.IsControl()),
+ OnOrOff(aKeyEvent.IsAlt()), OnOrOff(aKeyEvent.IsMeta())));
+
+ if (IsPrintableKeyEvent(aNativeKeyEvent)) {
+ aKeyEvent.mKeyNameIndex = KEY_NAME_INDEX_USE_STRING;
+ // If insertText calls this method, let's use the string.
+ if (aInsertString && !aInsertString->IsEmpty() &&
+ !IsControlChar((*aInsertString)[0])) {
+ aKeyEvent.mKeyValue = *aInsertString;
+ }
+ // If meta key is pressed, the printable key layout may be switched from
+ // non-ASCII capable layout to ASCII capable, or from Dvorak to QWERTY.
+ // KeyboardEvent.key value should be the switched layout's character.
+ else if (aKeyEvent.IsMeta()) {
+ nsCocoaUtils::GetStringForNSString([aNativeKeyEvent characters],
+ aKeyEvent.mKeyValue);
+ }
+ // If control key is pressed, some keys may produce printable character via
+ // [aNativeKeyEvent characters]. Otherwise, translate input character of
+ // the key without control key.
+ else if (aKeyEvent.IsControl()) {
+ nsCocoaUtils::GetStringForNSString([aNativeKeyEvent characters],
+ aKeyEvent.mKeyValue);
+ if (aKeyEvent.mKeyValue.IsEmpty() ||
+ IsControlChar(aKeyEvent.mKeyValue[0])) {
+ NSUInteger cocoaState =
+ [aNativeKeyEvent modifierFlags] & ~NSControlKeyMask;
+ UInt32 carbonState = nsCocoaUtils::ConvertToCarbonModifier(cocoaState);
+ aKeyEvent.mKeyValue =
+ TranslateToChar(nativeKeyCode, carbonState, kbType);
+ }
+ }
+ // Otherwise, KeyboardEvent.key expose
+ // [aNativeKeyEvent characters] value. However, if IME is open and the
+ // keyboard layout isn't ASCII capable, exposing the non-ASCII character
+ // doesn't match with other platform's behavior. For the compatibility
+ // with other platform's Gecko, we need to set a translated character.
+ else if (IsOpenedIMEMode()) {
+ UInt32 state =
+ nsCocoaUtils::ConvertToCarbonModifier([aNativeKeyEvent modifierFlags]);
+ aKeyEvent.mKeyValue = TranslateToChar(nativeKeyCode, state, kbType);
+ } else {
+ nsCocoaUtils::GetStringForNSString([aNativeKeyEvent characters],
+ aKeyEvent.mKeyValue);
+ // If the key value is empty, the event may be a dead key event.
+ // If TranslateToChar() returns non-zero value, that means that
+ // the key may input a character with different dead key state.
+ if (aKeyEvent.mKeyValue.IsEmpty()) {
+ NSUInteger cocoaState = [aNativeKeyEvent modifierFlags];
+ UInt32 carbonState = nsCocoaUtils::ConvertToCarbonModifier(cocoaState);
+ if (TranslateToChar(nativeKeyCode, carbonState, kbType)) {
+ aKeyEvent.mKeyNameIndex = KEY_NAME_INDEX_Dead;
+ }
+ }
+ }
+
+ // Last resort. If .key value becomes empty string, we should use
+ // charactersIgnoringModifiers, if it's available.
+ if (aKeyEvent.mKeyNameIndex == KEY_NAME_INDEX_USE_STRING &&
+ (aKeyEvent.mKeyValue.IsEmpty() ||
+ IsControlChar(aKeyEvent.mKeyValue[0]))) {
+ nsCocoaUtils::GetStringForNSString(
+ [aNativeKeyEvent charactersIgnoringModifiers], aKeyEvent.mKeyValue);
+ // But don't expose it if it's a control character.
+ if (!aKeyEvent.mKeyValue.IsEmpty() &&
+ IsControlChar(aKeyEvent.mKeyValue[0])) {
+ aKeyEvent.mKeyValue.Truncate();
+ }
+ }
+ } else {
+ // Compute the key for non-printable keys and some special printable keys.
+ aKeyEvent.mKeyNameIndex = ComputeGeckoKeyNameIndex(nativeKeyCode);
+ }
+
+ aKeyEvent.mCodeNameIndex = ComputeGeckoCodeNameIndex(nativeKeyCode);
+ MOZ_ASSERT(aKeyEvent.mCodeNameIndex != CODE_NAME_INDEX_USE_STRING);
+
+ NS_OBJC_END_TRY_ABORT_BLOCK
+}
+
+void
+TISInputSourceWrapper::WillDispatchKeyboardEvent(
+ NSEvent* aNativeKeyEvent,
+ const nsAString* aInsertString,
+ WidgetKeyboardEvent& aKeyEvent)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ // Nothing to do here if the native key event is neither NSKeyDown nor
+ // NSKeyUp because accessing [aNativeKeyEvent characters] causes throwing
+ // an exception.
+ if ([aNativeKeyEvent type] != NSKeyDown &&
+ [aNativeKeyEvent type] != NSKeyUp) {
+ return;
+ }
+
+ UInt32 kbType = GetKbdType();
+
+ if (MOZ_LOG_TEST(gLog, LogLevel::Info)) {
+ nsAutoString chars;
+ nsCocoaUtils::GetStringForNSString([aNativeKeyEvent characters], chars);
+ NS_ConvertUTF16toUTF8 utf8Chars(chars);
+ char16_t uniChar = static_cast<char16_t>(aKeyEvent.mCharCode);
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::WillDispatchKeyboardEvent, "
+ "aNativeKeyEvent=%p, [aNativeKeyEvent characters]=\"%s\", "
+ "aKeyEvent={ mMessage=%s, mCharCode=0x%X(%s) }, kbType=0x%X, "
+ "IsOpenedIMEMode()=%s",
+ this, aNativeKeyEvent, utf8Chars.get(),
+ GetGeckoKeyEventType(aKeyEvent), aKeyEvent.mCharCode,
+ uniChar ? NS_ConvertUTF16toUTF8(&uniChar, 1).get() : "",
+ kbType, TrueOrFalse(IsOpenedIMEMode())));
+ }
+
+ nsAutoString insertStringForCharCode;
+ ComputeInsertStringForCharCode(aNativeKeyEvent, aKeyEvent, aInsertString,
+ insertStringForCharCode);
+
+ // The mCharCode was set from mKeyValue. However, for example, when Ctrl key
+ // is pressed, its value should indicate an ASCII character for backward
+ // compatibility rather than inputting character without the modifiers.
+ // Therefore, we need to modify mCharCode value here.
+ uint32_t charCode =
+ insertStringForCharCode.IsEmpty() ? 0 : insertStringForCharCode[0];
+ aKeyEvent.SetCharCode(charCode);
+ // this is not a special key XXX not used in XP
+ aKeyEvent.mIsChar = (aKeyEvent.mMessage == eKeyPress);
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::WillDispatchKeyboardEvent, "
+ "aKeyEvent.mKeyCode=0x%X, aKeyEvent.mCharCode=0x%X",
+ this, aKeyEvent.mKeyCode, aKeyEvent.mCharCode));
+
+ TISInputSourceWrapper USLayout("com.apple.keylayout.US");
+ bool isRomanKeyboardLayout = IsASCIICapable();
+
+ UInt32 key = [aNativeKeyEvent keyCode];
+
+ // Caps lock and num lock modifier state:
+ UInt32 lockState = 0;
+ if ([aNativeKeyEvent modifierFlags] & NSAlphaShiftKeyMask) {
+ lockState |= alphaLock;
+ }
+ if ([aNativeKeyEvent modifierFlags] & NSNumericPadKeyMask) {
+ lockState |= kEventKeyModifierNumLockMask;
+ }
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::WillDispatchKeyboardEvent, "
+ "isRomanKeyboardLayout=%s, key=0x%X",
+ this, TrueOrFalse(isRomanKeyboardLayout), kbType, key));
+
+ nsString str;
+
+ // normal chars
+ uint32_t unshiftedChar = TranslateToChar(key, lockState, kbType);
+ UInt32 shiftLockMod = shiftKey | lockState;
+ uint32_t shiftedChar = TranslateToChar(key, shiftLockMod, kbType);
+
+ // characters generated with Cmd key
+ // XXX we should remove CapsLock state, which changes characters from
+ // Latin to Cyrillic with Russian layout on 10.4 only when Cmd key
+ // is pressed.
+ UInt32 numState = (lockState & ~alphaLock); // only num lock state
+ uint32_t uncmdedChar = TranslateToChar(key, numState, kbType);
+ UInt32 shiftNumMod = numState | shiftKey;
+ uint32_t uncmdedShiftChar = TranslateToChar(key, shiftNumMod, kbType);
+ uint32_t uncmdedUSChar = USLayout.TranslateToChar(key, numState, kbType);
+ UInt32 cmdNumMod = cmdKey | numState;
+ uint32_t cmdedChar = TranslateToChar(key, cmdNumMod, kbType);
+ UInt32 cmdShiftNumMod = shiftKey | cmdNumMod;
+ uint32_t cmdedShiftChar = TranslateToChar(key, cmdShiftNumMod, kbType);
+
+ // Is the keyboard layout changed by Cmd key?
+ // E.g., Arabic, Russian, Hebrew, Greek and Dvorak-QWERTY.
+ bool isCmdSwitchLayout = uncmdedChar != cmdedChar;
+ // Is the keyboard layout for Latin, but Cmd key switches the layout?
+ // I.e., Dvorak-QWERTY
+ bool isDvorakQWERTY = isCmdSwitchLayout && isRomanKeyboardLayout;
+
+ // If the current keyboard is not Dvorak-QWERTY or Cmd is not pressed,
+ // we should append unshiftedChar and shiftedChar for handling the
+ // normal characters. These are the characters that the user is most
+ // likely to associate with this key.
+ if ((unshiftedChar || shiftedChar) &&
+ (!aKeyEvent.IsMeta() || !isDvorakQWERTY)) {
+ AlternativeCharCode altCharCodes(unshiftedChar, shiftedChar);
+ aKeyEvent.mAlternativeCharCodes.AppendElement(altCharCodes);
+ }
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::WillDispatchKeyboardEvent, "
+ "aKeyEvent.isMeta=%s, isDvorakQWERTY=%s, "
+ "unshiftedChar=U+%X, shiftedChar=U+%X",
+ this, OnOrOff(aKeyEvent.IsMeta()), TrueOrFalse(isDvorakQWERTY),
+ unshiftedChar, shiftedChar));
+
+ // Most keyboard layouts provide the same characters in the NSEvents
+ // with Command+Shift as with Command. However, with Command+Shift we
+ // want the character on the second level. e.g. With a US QWERTY
+ // layout, we want "?" when the "/","?" key is pressed with
+ // Command+Shift.
+
+ // On a German layout, the OS gives us '/' with Cmd+Shift+SS(eszett)
+ // even though Cmd+SS is 'SS' and Shift+'SS' is '?'. This '/' seems
+ // like a hack to make the Cmd+"?" event look the same as the Cmd+"?"
+ // event on a US keyboard. The user thinks they are typing Cmd+"?", so
+ // we'll prefer the "?" character, replacing mCharCode with shiftedChar
+ // when Shift is pressed. However, in case there is a layout where the
+ // character unique to Cmd+Shift is the character that the user expects,
+ // we'll send it as an alternative char.
+ bool hasCmdShiftOnlyChar =
+ cmdedChar != cmdedShiftChar && uncmdedShiftChar != cmdedShiftChar;
+ uint32_t originalCmdedShiftChar = cmdedShiftChar;
+
+ // If we can make a good guess at the characters that the user would
+ // expect this key combination to produce (with and without Shift) then
+ // use those characters. This also corrects for CapsLock, which was
+ // ignored above.
+ if (!isCmdSwitchLayout) {
+ // The characters produced with Command seem similar to those without
+ // Command.
+ if (unshiftedChar) {
+ cmdedChar = unshiftedChar;
+ }
+ if (shiftedChar) {
+ cmdedShiftChar = shiftedChar;
+ }
+ } else if (uncmdedUSChar == cmdedChar) {
+ // It looks like characters from a US layout are provided when Command
+ // is down.
+ uint32_t ch = USLayout.TranslateToChar(key, lockState, kbType);
+ if (ch) {
+ cmdedChar = ch;
+ }
+ ch = USLayout.TranslateToChar(key, shiftLockMod, kbType);
+ if (ch) {
+ cmdedShiftChar = ch;
+ }
+ }
+
+ // If the current keyboard layout is switched by the Cmd key,
+ // we should append cmdedChar and shiftedCmdChar that are
+ // Latin char for the key.
+ // If the keyboard layout is Dvorak-QWERTY, we should append them only when
+ // command key is pressed because when command key isn't pressed, uncmded
+ // chars have been appended already.
+ if ((cmdedChar || cmdedShiftChar) && isCmdSwitchLayout &&
+ (aKeyEvent.IsMeta() || !isDvorakQWERTY)) {
+ AlternativeCharCode altCharCodes(cmdedChar, cmdedShiftChar);
+ aKeyEvent.mAlternativeCharCodes.AppendElement(altCharCodes);
+ }
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::WillDispatchKeyboardEvent, "
+ "hasCmdShiftOnlyChar=%s, isCmdSwitchLayout=%s, isDvorakQWERTY=%s, "
+ "cmdedChar=U+%X, cmdedShiftChar=U+%X",
+ this, TrueOrFalse(hasCmdShiftOnlyChar), TrueOrFalse(isDvorakQWERTY),
+ TrueOrFalse(isDvorakQWERTY), cmdedChar, cmdedShiftChar));
+ // Special case for 'SS' key of German layout. See the comment of
+ // hasCmdShiftOnlyChar definition for the detail.
+ if (hasCmdShiftOnlyChar && originalCmdedShiftChar) {
+ AlternativeCharCode altCharCodes(0, originalCmdedShiftChar);
+ aKeyEvent.mAlternativeCharCodes.AppendElement(altCharCodes);
+ }
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::WillDispatchKeyboardEvent, "
+ "hasCmdShiftOnlyChar=%s, originalCmdedShiftChar=U+%X",
+ this, TrueOrFalse(hasCmdShiftOnlyChar), originalCmdedShiftChar));
+
+ NS_OBJC_END_TRY_ABORT_BLOCK
+}
+
+uint32_t
+TISInputSourceWrapper::ComputeGeckoKeyCode(UInt32 aNativeKeyCode,
+ UInt32 aKbType,
+ bool aCmdIsPressed)
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TISInputSourceWrapper::ComputeGeckoKeyCode, aNativeKeyCode=0x%X, "
+ "aKbType=0x%X, aCmdIsPressed=%s, IsOpenedIMEMode()=%s, "
+ "IsASCIICapable()=%s",
+ this, aNativeKeyCode, aKbType, TrueOrFalse(aCmdIsPressed),
+ TrueOrFalse(IsOpenedIMEMode()), TrueOrFalse(IsASCIICapable())));
+
+ switch (aNativeKeyCode) {
+ case kVK_Space: return NS_VK_SPACE;
+ case kVK_Escape: return NS_VK_ESCAPE;
+
+ // modifiers
+ case kVK_RightCommand:
+ case kVK_Command: return NS_VK_META;
+ case kVK_RightShift:
+ case kVK_Shift: return NS_VK_SHIFT;
+ case kVK_CapsLock: return NS_VK_CAPS_LOCK;
+ case kVK_RightControl:
+ case kVK_Control: return NS_VK_CONTROL;
+ case kVK_RightOption:
+ case kVK_Option: return NS_VK_ALT;
+
+ case kVK_ANSI_KeypadClear: return NS_VK_CLEAR;
+
+ // function keys
+ case kVK_F1: return NS_VK_F1;
+ case kVK_F2: return NS_VK_F2;
+ case kVK_F3: return NS_VK_F3;
+ case kVK_F4: return NS_VK_F4;
+ case kVK_F5: return NS_VK_F5;
+ case kVK_F6: return NS_VK_F6;
+ case kVK_F7: return NS_VK_F7;
+ case kVK_F8: return NS_VK_F8;
+ case kVK_F9: return NS_VK_F9;
+ case kVK_F10: return NS_VK_F10;
+ case kVK_F11: return NS_VK_F11;
+ case kVK_F12: return NS_VK_F12;
+ // case kVK_F13: return NS_VK_F13; // clash with the 3 below
+ // case kVK_F14: return NS_VK_F14;
+ // case kVK_F15: return NS_VK_F15;
+ case kVK_F16: return NS_VK_F16;
+ case kVK_F17: return NS_VK_F17;
+ case kVK_F18: return NS_VK_F18;
+ case kVK_F19: return NS_VK_F19;
+
+ case kVK_PC_Pause: return NS_VK_PAUSE;
+ case kVK_PC_ScrollLock: return NS_VK_SCROLL_LOCK;
+ case kVK_PC_PrintScreen: return NS_VK_PRINTSCREEN;
+
+ // keypad
+ case kVK_ANSI_Keypad0: return NS_VK_NUMPAD0;
+ case kVK_ANSI_Keypad1: return NS_VK_NUMPAD1;
+ case kVK_ANSI_Keypad2: return NS_VK_NUMPAD2;
+ case kVK_ANSI_Keypad3: return NS_VK_NUMPAD3;
+ case kVK_ANSI_Keypad4: return NS_VK_NUMPAD4;
+ case kVK_ANSI_Keypad5: return NS_VK_NUMPAD5;
+ case kVK_ANSI_Keypad6: return NS_VK_NUMPAD6;
+ case kVK_ANSI_Keypad7: return NS_VK_NUMPAD7;
+ case kVK_ANSI_Keypad8: return NS_VK_NUMPAD8;
+ case kVK_ANSI_Keypad9: return NS_VK_NUMPAD9;
+
+ case kVK_ANSI_KeypadMultiply: return NS_VK_MULTIPLY;
+ case kVK_ANSI_KeypadPlus: return NS_VK_ADD;
+ case kVK_ANSI_KeypadMinus: return NS_VK_SUBTRACT;
+ case kVK_ANSI_KeypadDecimal: return NS_VK_DECIMAL;
+ case kVK_ANSI_KeypadDivide: return NS_VK_DIVIDE;
+
+ case kVK_JIS_KeypadComma: return NS_VK_SEPARATOR;
+
+ // IME keys
+ case kVK_JIS_Eisu: return NS_VK_EISU;
+ case kVK_JIS_Kana: return NS_VK_KANA;
+
+ // these may clash with forward delete and help
+ case kVK_PC_Insert: return NS_VK_INSERT;
+ case kVK_PC_Delete: return NS_VK_DELETE;
+
+ case kVK_PC_Backspace: return NS_VK_BACK;
+ case kVK_Tab: return NS_VK_TAB;
+
+ case kVK_Home: return NS_VK_HOME;
+ case kVK_End: return NS_VK_END;
+
+ case kVK_PageUp: return NS_VK_PAGE_UP;
+ case kVK_PageDown: return NS_VK_PAGE_DOWN;
+
+ case kVK_LeftArrow: return NS_VK_LEFT;
+ case kVK_RightArrow: return NS_VK_RIGHT;
+ case kVK_UpArrow: return NS_VK_UP;
+ case kVK_DownArrow: return NS_VK_DOWN;
+
+ case kVK_PC_ContextMenu: return NS_VK_CONTEXT_MENU;
+
+ case kVK_ANSI_1: return NS_VK_1;
+ case kVK_ANSI_2: return NS_VK_2;
+ case kVK_ANSI_3: return NS_VK_3;
+ case kVK_ANSI_4: return NS_VK_4;
+ case kVK_ANSI_5: return NS_VK_5;
+ case kVK_ANSI_6: return NS_VK_6;
+ case kVK_ANSI_7: return NS_VK_7;
+ case kVK_ANSI_8: return NS_VK_8;
+ case kVK_ANSI_9: return NS_VK_9;
+ case kVK_ANSI_0: return NS_VK_0;
+
+ case kVK_ANSI_KeypadEnter:
+ case kVK_Return:
+ case kVK_Powerbook_KeypadEnter: return NS_VK_RETURN;
+ }
+
+ // If Cmd key is pressed, that causes switching keyboard layout temporarily.
+ // E.g., Dvorak-QWERTY. Therefore, if Cmd key is pressed, we should honor it.
+ UInt32 modifiers = aCmdIsPressed ? cmdKey : 0;
+
+ uint32_t charCode = TranslateToChar(aNativeKeyCode, modifiers, aKbType);
+
+ // Special case for Mac. Mac inputs Yen sign (U+00A5) directly instead of
+ // Back slash (U+005C). We should return NS_VK_BACK_SLASH for compatibility
+ // with other platforms.
+ // XXX How about Won sign (U+20A9) which has same problem as Yen sign?
+ if (charCode == 0x00A5) {
+ return NS_VK_BACK_SLASH;
+ }
+
+ uint32_t keyCode = WidgetUtils::ComputeKeyCodeFromChar(charCode);
+ if (keyCode) {
+ return keyCode;
+ }
+
+ // If the unshifed char isn't an ASCII character, use shifted char.
+ charCode = TranslateToChar(aNativeKeyCode, modifiers | shiftKey, aKbType);
+ keyCode = WidgetUtils::ComputeKeyCodeFromChar(charCode);
+ if (keyCode) {
+ return keyCode;
+ }
+
+ // If this is ASCII capable, give up to compute it.
+ if (IsASCIICapable()) {
+ return 0;
+ }
+
+ // Retry with ASCII capable keyboard layout.
+ TISInputSourceWrapper currentKeyboardLayout;
+ currentKeyboardLayout.InitByCurrentASCIICapableKeyboardLayout();
+ NS_ENSURE_TRUE(mInputSource != currentKeyboardLayout.mInputSource, 0);
+ keyCode = currentKeyboardLayout.ComputeGeckoKeyCode(aNativeKeyCode, aKbType,
+ aCmdIsPressed);
+
+ // However, if keyCode isn't for an alphabet keys or a numeric key, we should
+ // ignore it. For example, comma key of Thai layout is same as close-square-
+ // bracket key of US layout and an unicode character key of Thai layout is
+ // same as comma key of US layout. If we return NS_VK_COMMA for latter key,
+ // web application developers cannot distinguish with the former key.
+ return ((keyCode >= NS_VK_A && keyCode <= NS_VK_Z) ||
+ (keyCode >= NS_VK_0 && keyCode <= NS_VK_9)) ? keyCode : 0;
+}
+
+// static
+KeyNameIndex
+TISInputSourceWrapper::ComputeGeckoKeyNameIndex(UInt32 aNativeKeyCode)
+{
+ // NOTE:
+ // When unsupported keys like Convert, Nonconvert of Japanese keyboard is
+ // pressed:
+ // on 10.6.x, 'A' key event is fired (and also actually 'a' is inserted).
+ // on 10.7.x, Nothing happens.
+ // on 10.8.x, Nothing happens.
+ // on 10.9.x, FlagsChanged event is fired with keyCode 0xFF.
+ switch (aNativeKeyCode) {
+
+#define NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX(aNativeKey, aKeyNameIndex) \
+ case aNativeKey: return aKeyNameIndex;
+
+#include "NativeKeyToDOMKeyName.h"
+
+#undef NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
+
+ default:
+ return KEY_NAME_INDEX_Unidentified;
+ }
+}
+
+// static
+CodeNameIndex
+TISInputSourceWrapper::ComputeGeckoCodeNameIndex(UInt32 aNativeKeyCode)
+{
+ switch (aNativeKeyCode) {
+
+#define NS_NATIVE_KEY_TO_DOM_CODE_NAME_INDEX(aNativeKey, aCodeNameIndex) \
+ case aNativeKey: return aCodeNameIndex;
+
+#include "NativeKeyToDOMCodeName.h"
+
+#undef NS_NATIVE_KEY_TO_DOM_CODE_NAME_INDEX
+
+ default:
+ return CODE_NAME_INDEX_UNKNOWN;
+ }
+}
+
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * TextInputHandler implementation (static methods)
+ *
+ ******************************************************************************/
+
+NSUInteger TextInputHandler::sLastModifierState = 0;
+
+// static
+CFArrayRef
+TextInputHandler::CreateAllKeyboardLayoutList()
+{
+ const void* keys[] = { kTISPropertyInputSourceType };
+ const void* values[] = { kTISTypeKeyboardLayout };
+ CFDictionaryRef filter =
+ ::CFDictionaryCreate(kCFAllocatorDefault, keys, values, 1, NULL, NULL);
+ NS_ASSERTION(filter, "failed to create the filter");
+ CFArrayRef list = ::TISCreateInputSourceList(filter, true);
+ ::CFRelease(filter);
+ return list;
+}
+
+// static
+void
+TextInputHandler::DebugPrintAllKeyboardLayouts()
+{
+ if (MOZ_LOG_TEST(gLog, LogLevel::Info)) {
+ CFArrayRef list = CreateAllKeyboardLayoutList();
+ MOZ_LOG(gLog, LogLevel::Info, ("Keyboard layout configuration:"));
+ CFIndex idx = ::CFArrayGetCount(list);
+ TISInputSourceWrapper tis;
+ for (CFIndex i = 0; i < idx; ++i) {
+ TISInputSourceRef inputSource = static_cast<TISInputSourceRef>(
+ const_cast<void *>(::CFArrayGetValueAtIndex(list, i)));
+ tis.InitByTISInputSourceRef(inputSource);
+ nsAutoString name, isid;
+ tis.GetLocalizedName(name);
+ tis.GetInputSourceID(isid);
+ MOZ_LOG(gLog, LogLevel::Info,
+ (" %s\t<%s>%s%s\n",
+ NS_ConvertUTF16toUTF8(name).get(),
+ NS_ConvertUTF16toUTF8(isid).get(),
+ tis.IsASCIICapable() ? "" : "\t(Isn't ASCII capable)",
+ tis.IsKeyboardLayout() && tis.GetUCKeyboardLayout() ?
+ "" : "\t(uchr is NOT AVAILABLE)"));
+ }
+ ::CFRelease(list);
+ }
+}
+
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * TextInputHandler implementation
+ *
+ ******************************************************************************/
+
+TextInputHandler::TextInputHandler(nsChildView* aWidget,
+ NSView<mozView> *aNativeView) :
+ IMEInputHandler(aWidget, aNativeView)
+{
+ EnsureToLogAllKeyboardLayoutsAndIMEs();
+ [mView installTextInputHandler:this];
+}
+
+TextInputHandler::~TextInputHandler()
+{
+ [mView uninstallTextInputHandler];
+}
+
+bool
+TextInputHandler::HandleKeyDownEvent(NSEvent* aNativeEvent)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ if (Destroyed()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, "
+ "widget has been already destroyed", this));
+ return false;
+ }
+
+ // Insert empty line to the log for easier to read.
+ MOZ_LOG(gLog, LogLevel::Info, (""));
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, aNativeEvent=%p, "
+ "type=%s, keyCode=%lld (0x%X), modifierFlags=0x%X, characters=\"%s\", "
+ "charactersIgnoringModifiers=\"%s\"",
+ this, aNativeEvent, GetNativeKeyEventType(aNativeEvent),
+ [aNativeEvent keyCode], [aNativeEvent keyCode],
+ [aNativeEvent modifierFlags], GetCharacters([aNativeEvent characters]),
+ GetCharacters([aNativeEvent charactersIgnoringModifiers])));
+
+ // Except when Command key is pressed, we should hide mouse cursor until
+ // next mousemove. Handling here means that:
+ // - Don't hide mouse cursor at pressing modifier key
+ // - Hide mouse cursor even if the key event will be handled by IME (i.e.,
+ // even without dispatching eKeyPress events)
+ // - Hide mouse cursor even when a plugin has focus
+ if (!([aNativeEvent modifierFlags] & NSCommandKeyMask)) {
+ [NSCursor setHiddenUntilMouseMoves:YES];
+ }
+
+ RefPtr<nsChildView> widget(mWidget);
+
+ KeyEventState* currentKeyEvent = PushKeyEvent(aNativeEvent);
+ AutoKeyEventStateCleaner remover(this);
+
+ ComplexTextInputPanel* ctiPanel = ComplexTextInputPanel::GetSharedComplexTextInputPanel();
+ if (ctiPanel && ctiPanel->IsInComposition()) {
+ nsAutoString committed;
+ ctiPanel->InterpretKeyEvent(aNativeEvent, committed);
+ if (!committed.IsEmpty()) {
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::HandleKeyDownEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure "
+ "at dispatching keydown for ComplexTextInputPanel", this));
+ return false;
+ }
+
+ WidgetKeyboardEvent imeEvent(true, eKeyDown, widget);
+ currentKeyEvent->InitKeyEvent(this, imeEvent);
+ imeEvent.mPluginTextEventString.Assign(committed);
+ nsEventStatus status = nsEventStatus_eIgnore;
+ mDispatcher->DispatchKeyboardEvent(eKeyDown, imeEvent, status,
+ currentKeyEvent);
+ }
+ return true;
+ }
+
+ NSResponder* firstResponder = [[mView window] firstResponder];
+
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::HandleKeyDownEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure "
+ "at dispatching keydown for ordinal cases", this));
+ return false;
+ }
+
+ WidgetKeyboardEvent keydownEvent(true, eKeyDown, widget);
+ currentKeyEvent->InitKeyEvent(this, keydownEvent);
+
+ nsEventStatus status = nsEventStatus_eIgnore;
+ mDispatcher->DispatchKeyboardEvent(eKeyDown, keydownEvent, status,
+ currentKeyEvent);
+ currentKeyEvent->mKeyDownHandled =
+ (status == nsEventStatus_eConsumeNoDefault);
+
+ if (Destroyed()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, "
+ "widget was destroyed by keydown event", this));
+ return currentKeyEvent->IsDefaultPrevented();
+ }
+
+ // The key down event may have shifted the focus, in which
+ // case we should not fire the key press.
+ // XXX This is a special code only on Cocoa widget, why is this needed?
+ if (firstResponder != [[mView window] firstResponder]) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, "
+ "view lost focus by keydown event", this));
+ return currentKeyEvent->IsDefaultPrevented();
+ }
+
+ if (currentKeyEvent->IsDefaultPrevented()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, "
+ "keydown event's default is prevented", this));
+ return true;
+ }
+
+ // Let Cocoa interpret the key events, caching IsIMEComposing first.
+ bool wasComposing = IsIMEComposing();
+ bool interpretKeyEventsCalled = false;
+ // Don't call interpretKeyEvents when a plugin has focus. If we call it,
+ // for example, a character is inputted twice during a composition in e10s
+ // mode.
+ if (!widget->IsPluginFocused() && (IsIMEEnabled() || IsASCIICapableOnly())) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, calling interpretKeyEvents",
+ this));
+ [mView interpretKeyEvents:[NSArray arrayWithObject:aNativeEvent]];
+ interpretKeyEventsCalled = true;
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, called interpretKeyEvents",
+ this));
+ }
+
+ if (Destroyed()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, widget was destroyed",
+ this));
+ return currentKeyEvent->IsDefaultPrevented();
+ }
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, wasComposing=%s, "
+ "IsIMEComposing()=%s",
+ this, TrueOrFalse(wasComposing), TrueOrFalse(IsIMEComposing())));
+
+ if (currentKeyEvent->CanDispatchKeyPressEvent() &&
+ !wasComposing && !IsIMEComposing()) {
+ rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::HandleKeyDownEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure "
+ "at dispatching keypress", this));
+ return false;
+ }
+
+ WidgetKeyboardEvent keypressEvent(true, eKeyPress, widget);
+ currentKeyEvent->InitKeyEvent(this, keypressEvent);
+
+ // If we called interpretKeyEvents and this isn't normal character input
+ // then IME probably ate the event for some reason. We do not want to
+ // send a key press event in that case.
+ // TODO:
+ // There are some other cases which IME eats the current event.
+ // 1. If key events were nested during calling interpretKeyEvents, it means
+ // that IME did something. Then, we should do nothing.
+ // 2. If one or more commands are called like "deleteBackward", we should
+ // dispatch keypress event at that time. Note that the command may have
+ // been a converted or generated action by IME. Then, we shouldn't do
+ // our default action for this key.
+ if (!(interpretKeyEventsCalled &&
+ IsNormalCharInputtingEvent(keypressEvent))) {
+ currentKeyEvent->mKeyPressDispatched =
+ mDispatcher->MaybeDispatchKeypressEvents(keypressEvent, status,
+ currentKeyEvent);
+ currentKeyEvent->mKeyPressHandled =
+ (status == nsEventStatus_eConsumeNoDefault);
+ currentKeyEvent->mKeyPressDispatched = true;
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, keypress event dispatched",
+ this));
+ }
+ }
+
+ // Note: mWidget might have become null here. Don't count on it from here on.
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyDownEvent, "
+ "keydown handled=%s, keypress handled=%s, causedOtherKeyEvents=%s, "
+ "compositionDispatched=%s",
+ this, TrueOrFalse(currentKeyEvent->mKeyDownHandled),
+ TrueOrFalse(currentKeyEvent->mKeyPressHandled),
+ TrueOrFalse(currentKeyEvent->mCausedOtherKeyEvents),
+ TrueOrFalse(currentKeyEvent->mCompositionDispatched)));
+ // Insert empty line to the log for easier to read.
+ MOZ_LOG(gLog, LogLevel::Info, (""));
+ return currentKeyEvent->IsDefaultPrevented();
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
+}
+
+void
+TextInputHandler::HandleKeyUpEvent(NSEvent* aNativeEvent)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyUpEvent, aNativeEvent=%p, "
+ "type=%s, keyCode=%lld (0x%X), modifierFlags=0x%X, characters=\"%s\", "
+ "charactersIgnoringModifiers=\"%s\", "
+ "IsIMEComposing()=%s",
+ this, aNativeEvent, GetNativeKeyEventType(aNativeEvent),
+ [aNativeEvent keyCode], [aNativeEvent keyCode],
+ [aNativeEvent modifierFlags], GetCharacters([aNativeEvent characters]),
+ GetCharacters([aNativeEvent charactersIgnoringModifiers]),
+ TrueOrFalse(IsIMEComposing())));
+
+ if (Destroyed()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleKeyUpEvent, "
+ "widget has been already destroyed", this));
+ return;
+ }
+
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::HandleKeyUpEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure", this));
+ return;
+ }
+
+ WidgetKeyboardEvent keyupEvent(true, eKeyUp, mWidget);
+ InitKeyEvent(aNativeEvent, keyupEvent);
+
+ KeyEventState currentKeyEvent(aNativeEvent);
+ nsEventStatus status = nsEventStatus_eIgnore;
+ mDispatcher->DispatchKeyboardEvent(eKeyUp, keyupEvent, status,
+ &currentKeyEvent);
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+TextInputHandler::HandleFlagsChanged(NSEvent* aNativeEvent)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ if (Destroyed()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleFlagsChanged, "
+ "widget has been already destroyed", this));
+ return;
+ }
+
+ RefPtr<nsChildView> kungFuDeathGrip(mWidget);
+ mozilla::Unused << kungFuDeathGrip; // Not referenced within this function
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::HandleFlagsChanged, aNativeEvent=%p, "
+ "type=%s, keyCode=%s (0x%X), modifierFlags=0x%08X, "
+ "sLastModifierState=0x%08X, IsIMEComposing()=%s",
+ this, aNativeEvent, GetNativeKeyEventType(aNativeEvent),
+ GetKeyNameForNativeKeyCode([aNativeEvent keyCode]), [aNativeEvent keyCode],
+ [aNativeEvent modifierFlags], sLastModifierState,
+ TrueOrFalse(IsIMEComposing())));
+
+ MOZ_ASSERT([aNativeEvent type] == NSFlagsChanged);
+
+ NSUInteger diff = [aNativeEvent modifierFlags] ^ sLastModifierState;
+ // Device dependent flags for left-control key, both shift keys, both command
+ // keys and both option keys have been defined in Next's SDK. But we
+ // shouldn't use it directly as far as possible since Cocoa SDK doesn't
+ // define them. Fortunately, we need them only when we dispatch keyup
+ // events. So, we can usually know the actual relation between keyCode and
+ // device dependent flags. However, we need to remove following flags first
+ // since the differences don't indicate modifier key state.
+ // NX_STYLUSPROXIMITYMASK: Probably used for pen like device.
+ // kCGEventFlagMaskNonCoalesced (= NX_NONCOALSESCEDMASK): See the document for
+ // Quartz Event Services.
+ diff &= ~(NX_STYLUSPROXIMITYMASK | kCGEventFlagMaskNonCoalesced);
+
+ switch ([aNativeEvent keyCode]) {
+ // CapsLock state and other modifier states are different:
+ // CapsLock state does not revert when the CapsLock key goes up, as the
+ // modifier state does for other modifier keys on key up.
+ case kVK_CapsLock: {
+ // Fire key down event for caps lock.
+ DispatchKeyEventForFlagsChanged(aNativeEvent, true);
+ // XXX should we fire keyup event too? The keyup event for CapsLock key
+ // is never dispatched on Gecko.
+ // XXX WebKit dispatches keydown event when CapsLock is locked, otherwise,
+ // keyup event. If we do so, we cannot keep the consistency with other
+ // platform's behavior...
+ break;
+ }
+
+ // If the event is caused by pressing or releasing a modifier key, just
+ // dispatch the key's event.
+ case kVK_Shift:
+ case kVK_RightShift:
+ case kVK_Command:
+ case kVK_RightCommand:
+ case kVK_Control:
+ case kVK_RightControl:
+ case kVK_Option:
+ case kVK_RightOption:
+ case kVK_Help: {
+ // We assume that at most one modifier is changed per event if the event
+ // is caused by pressing or releasing a modifier key.
+ bool isKeyDown = ([aNativeEvent modifierFlags] & diff) != 0;
+ DispatchKeyEventForFlagsChanged(aNativeEvent, isKeyDown);
+ // XXX Some applications might send the event with incorrect device-
+ // dependent flags.
+ if (isKeyDown && ((diff & ~NSDeviceIndependentModifierFlagsMask) != 0)) {
+ unsigned short keyCode = [aNativeEvent keyCode];
+ const ModifierKey* modifierKey =
+ GetModifierKeyForDeviceDependentFlags(diff);
+ if (modifierKey && modifierKey->keyCode != keyCode) {
+ // Although, we're not sure the actual cause of this case, the stored
+ // modifier information and the latest key event information may be
+ // mismatched. Then, let's reset the stored information.
+ // NOTE: If this happens, it may fail to handle NSFlagsChanged event
+ // in the default case (below). However, it's the rare case handler
+ // and this case occurs rarely. So, we can ignore the edge case bug.
+ NS_WARNING("Resetting stored modifier key information");
+ mModifierKeys.Clear();
+ modifierKey = nullptr;
+ }
+ if (!modifierKey) {
+ mModifierKeys.AppendElement(ModifierKey(diff, keyCode));
+ }
+ }
+ break;
+ }
+
+ // Currently we don't support Fn key since other browsers don't dispatch
+ // events for it and we don't have keyCode for this key.
+ // It should be supported when we implement .key and .char.
+ case kVK_Function:
+ break;
+
+ // If the event is caused by something else than pressing or releasing a
+ // single modifier key (for example by the app having been deactivated
+ // using command-tab), use the modifiers themselves to determine which
+ // key's event to dispatch, and whether it's a keyup or keydown event.
+ // In all cases we assume one or more modifiers are being deactivated
+ // (never activated) -- otherwise we'd have received one or more events
+ // corresponding to a single modifier key being pressed.
+ default: {
+ NSUInteger modifiers = sLastModifierState;
+ for (int32_t bit = 0; bit < 32; ++bit) {
+ NSUInteger flag = 1 << bit;
+ if (!(diff & flag)) {
+ continue;
+ }
+
+ // Given correct information from the application, a flag change here
+ // will normally be a deactivation (except for some lockable modifiers
+ // such as CapsLock). But some applications (like VNC) can send an
+ // activating event with a zero keyCode. So we need to check for that
+ // here.
+ bool dispatchKeyDown = ((flag & [aNativeEvent modifierFlags]) != 0);
+
+ unsigned short keyCode = 0;
+ if (flag & NSDeviceIndependentModifierFlagsMask) {
+ switch (flag) {
+ case NSAlphaShiftKeyMask:
+ keyCode = kVK_CapsLock;
+ dispatchKeyDown = true;
+ break;
+
+ case NSNumericPadKeyMask:
+ // NSNumericPadKeyMask is fired by VNC a lot. But not all of
+ // these events can really be Clear key events, so we just ignore
+ // them.
+ continue;
+
+ case NSHelpKeyMask:
+ keyCode = kVK_Help;
+ break;
+
+ case NSFunctionKeyMask:
+ // An NSFunctionKeyMask change here will normally be a
+ // deactivation. But sometimes it will be an activation send (by
+ // VNC for example) with a zero keyCode.
+ continue;
+
+ // These cases (NSShiftKeyMask, NSControlKeyMask, NSAlternateKeyMask
+ // and NSCommandKeyMask) should be handled by the other branch of
+ // the if statement, below (which handles device dependent flags).
+ // However, some applications (like VNC) can send key events without
+ // any device dependent flags, so we handle them here instead.
+ case NSShiftKeyMask:
+ keyCode = (modifiers & 0x0004) ? kVK_RightShift : kVK_Shift;
+ break;
+ case NSControlKeyMask:
+ keyCode = (modifiers & 0x2000) ? kVK_RightControl : kVK_Control;
+ break;
+ case NSAlternateKeyMask:
+ keyCode = (modifiers & 0x0040) ? kVK_RightOption : kVK_Option;
+ break;
+ case NSCommandKeyMask:
+ keyCode = (modifiers & 0x0010) ? kVK_RightCommand : kVK_Command;
+ break;
+
+ default:
+ continue;
+ }
+ } else {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForDeviceDependentFlags(flag);
+ if (!modifierKey) {
+ // See the note above (in the other branch of the if statement)
+ // about the NSShiftKeyMask, NSControlKeyMask, NSAlternateKeyMask
+ // and NSCommandKeyMask cases.
+ continue;
+ }
+ keyCode = modifierKey->keyCode;
+ }
+
+ // Remove flags
+ modifiers &= ~flag;
+ switch (keyCode) {
+ case kVK_Shift: {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForNativeKeyCode(kVK_RightShift);
+ if (!modifierKey ||
+ !(modifiers & modifierKey->GetDeviceDependentFlags())) {
+ modifiers &= ~NSShiftKeyMask;
+ }
+ break;
+ }
+ case kVK_RightShift: {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForNativeKeyCode(kVK_Shift);
+ if (!modifierKey ||
+ !(modifiers & modifierKey->GetDeviceDependentFlags())) {
+ modifiers &= ~NSShiftKeyMask;
+ }
+ break;
+ }
+ case kVK_Command: {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForNativeKeyCode(kVK_RightCommand);
+ if (!modifierKey ||
+ !(modifiers & modifierKey->GetDeviceDependentFlags())) {
+ modifiers &= ~NSCommandKeyMask;
+ }
+ break;
+ }
+ case kVK_RightCommand: {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForNativeKeyCode(kVK_Command);
+ if (!modifierKey ||
+ !(modifiers & modifierKey->GetDeviceDependentFlags())) {
+ modifiers &= ~NSCommandKeyMask;
+ }
+ break;
+ }
+ case kVK_Control: {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForNativeKeyCode(kVK_RightControl);
+ if (!modifierKey ||
+ !(modifiers & modifierKey->GetDeviceDependentFlags())) {
+ modifiers &= ~NSControlKeyMask;
+ }
+ break;
+ }
+ case kVK_RightControl: {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForNativeKeyCode(kVK_Control);
+ if (!modifierKey ||
+ !(modifiers & modifierKey->GetDeviceDependentFlags())) {
+ modifiers &= ~NSControlKeyMask;
+ }
+ break;
+ }
+ case kVK_Option: {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForNativeKeyCode(kVK_RightOption);
+ if (!modifierKey ||
+ !(modifiers & modifierKey->GetDeviceDependentFlags())) {
+ modifiers &= ~NSAlternateKeyMask;
+ }
+ break;
+ }
+ case kVK_RightOption: {
+ const ModifierKey* modifierKey =
+ GetModifierKeyForNativeKeyCode(kVK_Option);
+ if (!modifierKey ||
+ !(modifiers & modifierKey->GetDeviceDependentFlags())) {
+ modifiers &= ~NSAlternateKeyMask;
+ }
+ break;
+ }
+ case kVK_Help:
+ modifiers &= ~NSHelpKeyMask;
+ break;
+ default:
+ break;
+ }
+
+ NSEvent* event =
+ [NSEvent keyEventWithType:NSFlagsChanged
+ location:[aNativeEvent locationInWindow]
+ modifierFlags:modifiers
+ timestamp:[aNativeEvent timestamp]
+ windowNumber:[aNativeEvent windowNumber]
+ context:[aNativeEvent context]
+ characters:@""
+ charactersIgnoringModifiers:@""
+ isARepeat:NO
+ keyCode:keyCode];
+ DispatchKeyEventForFlagsChanged(event, dispatchKeyDown);
+ if (Destroyed()) {
+ break;
+ }
+
+ // Stop if focus has changed.
+ // Check to see if mView is still the first responder.
+ if (![mView isFirstResponder]) {
+ break;
+ }
+
+ }
+ break;
+ }
+ }
+
+ // Be aware, the widget may have been destroyed.
+ sLastModifierState = [aNativeEvent modifierFlags];
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+const TextInputHandler::ModifierKey*
+TextInputHandler::GetModifierKeyForNativeKeyCode(unsigned short aKeyCode) const
+{
+ for (ModifierKeyArray::index_type i = 0; i < mModifierKeys.Length(); ++i) {
+ if (mModifierKeys[i].keyCode == aKeyCode) {
+ return &((ModifierKey&)mModifierKeys[i]);
+ }
+ }
+ return nullptr;
+}
+
+const TextInputHandler::ModifierKey*
+TextInputHandler::GetModifierKeyForDeviceDependentFlags(NSUInteger aFlags) const
+{
+ for (ModifierKeyArray::index_type i = 0; i < mModifierKeys.Length(); ++i) {
+ if (mModifierKeys[i].GetDeviceDependentFlags() ==
+ (aFlags & ~NSDeviceIndependentModifierFlagsMask)) {
+ return &((ModifierKey&)mModifierKeys[i]);
+ }
+ }
+ return nullptr;
+}
+
+void
+TextInputHandler::DispatchKeyEventForFlagsChanged(NSEvent* aNativeEvent,
+ bool aDispatchKeyDown)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ if (Destroyed()) {
+ return;
+ }
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::DispatchKeyEventForFlagsChanged, aNativeEvent=%p, "
+ "type=%s, keyCode=%s (0x%X), aDispatchKeyDown=%s, IsIMEComposing()=%s",
+ this, aNativeEvent, GetNativeKeyEventType(aNativeEvent),
+ GetKeyNameForNativeKeyCode([aNativeEvent keyCode]), [aNativeEvent keyCode],
+ TrueOrFalse(aDispatchKeyDown), TrueOrFalse(IsIMEComposing())));
+
+ if ([aNativeEvent type] != NSFlagsChanged || IsIMEComposing()) {
+ return;
+ }
+
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DispatchKeyEventForFlagsChanged, "
+ "FAILED, due to BeginNativeInputTransaction() failure", this));
+ return;
+ }
+
+ EventMessage message = aDispatchKeyDown ? eKeyDown : eKeyUp;
+
+ // Fire a key event.
+ WidgetKeyboardEvent keyEvent(true, message, mWidget);
+ InitKeyEvent(aNativeEvent, keyEvent);
+
+ // Attach a plugin event, in case keyEvent gets dispatched to a plugin. Only
+ // one field is needed -- the type. The other fields can be constructed as
+ // the need arises. But Gecko doesn't have anything equivalent to the
+ // NPCocoaEventFlagsChanged type, and this needs to be passed accurately to
+ // any plugin to which this event is sent.
+ NPCocoaEvent cocoaEvent;
+ nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
+ cocoaEvent.type = NPCocoaEventFlagsChanged;
+ keyEvent.mPluginEvent.Copy(cocoaEvent);
+
+ KeyEventState currentKeyEvent(aNativeEvent);
+ nsEventStatus status = nsEventStatus_eIgnore;
+ mDispatcher->DispatchKeyboardEvent(message, keyEvent, status,
+ &currentKeyEvent);
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+TextInputHandler::InsertText(NSAttributedString* aAttrString,
+ NSRange* aReplacementRange)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ if (Destroyed()) {
+ return;
+ }
+
+ KeyEventState* currentKeyEvent = GetCurrentKeyEvent();
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::InsertText, aAttrString=\"%s\", "
+ "aReplacementRange=%p { location=%llu, length=%llu }, "
+ "IsIMEComposing()=%s, IgnoreIMEComposition()=%s, "
+ "keyevent=%p, keydownHandled=%s, keypressDispatched=%s, "
+ "causedOtherKeyEvents=%s, compositionDispatched=%s",
+ this, GetCharacters([aAttrString string]), aReplacementRange,
+ aReplacementRange ? aReplacementRange->location : 0,
+ aReplacementRange ? aReplacementRange->length : 0,
+ TrueOrFalse(IsIMEComposing()), TrueOrFalse(IgnoreIMEComposition()),
+ currentKeyEvent ? currentKeyEvent->mKeyEvent : nullptr,
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mKeyDownHandled) : "N/A",
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mKeyPressDispatched) : "N/A",
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mCausedOtherKeyEvents) : "N/A",
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mCompositionDispatched) : "N/A"));
+
+ if (IgnoreIMEComposition()) {
+ return;
+ }
+
+ InputContext context = mWidget->GetInputContext();
+ bool isEditable = (context.mIMEState.mEnabled == IMEState::ENABLED ||
+ context.mIMEState.mEnabled == IMEState::PASSWORD);
+ NSRange selectedRange = SelectedRange();
+
+ nsAutoString str;
+ nsCocoaUtils::GetStringForNSString([aAttrString string], str);
+
+ AutoInsertStringClearer clearer(currentKeyEvent);
+ if (currentKeyEvent) {
+ currentKeyEvent->mInsertString = &str;
+ }
+
+ if (!IsIMEComposing() && str.IsEmpty()) {
+ // nothing to do if there is no content which can be removed.
+ if (!isEditable) {
+ return;
+ }
+ // If replacement range is specified, we need to remove the range.
+ // Otherwise, we need to remove the selected range if it's not collapsed.
+ if (aReplacementRange && aReplacementRange->location != NSNotFound) {
+ // nothing to do since the range is collapsed.
+ if (aReplacementRange->length == 0) {
+ return;
+ }
+ // If the replacement range is different from current selected range,
+ // select the range.
+ if (!NSEqualRanges(selectedRange, *aReplacementRange)) {
+ NS_ENSURE_TRUE_VOID(SetSelection(*aReplacementRange));
+ }
+ selectedRange = SelectedRange();
+ }
+ NS_ENSURE_TRUE_VOID(selectedRange.location != NSNotFound);
+ if (selectedRange.length == 0) {
+ return; // nothing to do
+ }
+ // If this is caused by a key input, the keypress event which will be
+ // dispatched later should cause the delete. Therefore, nothing to do here.
+ // Although, we're not sure if such case is actually possible.
+ if (!currentKeyEvent) {
+ return;
+ }
+ // Delete the selected range.
+ RefPtr<TextInputHandler> kungFuDeathGrip(this);
+ WidgetContentCommandEvent deleteCommandEvent(true, eContentCommandDelete,
+ mWidget);
+ DispatchEvent(deleteCommandEvent);
+ NS_ENSURE_TRUE_VOID(deleteCommandEvent.mSucceeded);
+ // Be aware! The widget might be destroyed here.
+ return;
+ }
+
+ bool isReplacingSpecifiedRange =
+ isEditable && aReplacementRange &&
+ aReplacementRange->location != NSNotFound &&
+ !NSEqualRanges(selectedRange, *aReplacementRange);
+
+ // If this is not caused by pressing a key, there is a composition or
+ // replacing a range which is different from current selection, let's
+ // insert the text as committing a composition.
+ // If InsertText() is called two or more times, we should insert all
+ // text with composition events.
+ // XXX When InsertText() is called multiple times, Chromium dispatches
+ // only one composition event. So, we need to store InsertText()
+ // calls and flush later.
+ if (!currentKeyEvent || currentKeyEvent->mCompositionDispatched ||
+ IsIMEComposing() || isReplacingSpecifiedRange) {
+ InsertTextAsCommittingComposition(aAttrString, aReplacementRange);
+ if (currentKeyEvent) {
+ currentKeyEvent->mCompositionDispatched = true;
+ }
+ return;
+ }
+
+ // Don't let the same event be fired twice when hitting
+ // enter/return for Bug 420502. However, Korean IME (or some other
+ // simple IME) may work without marked text. For example, composing
+ // character may be inserted as committed text and it's modified with
+ // aReplacementRange. When a keydown starts new composition with
+ // committing previous character, InsertText() may be called twice,
+ // one is for committing previous character and then, inserting new
+ // composing character as committed character. In the latter case,
+ // |CanDispatchKeyPressEvent()| returns true but we need to dispatch
+ // keypress event for the new character. So, when IME tries to insert
+ // printable characters, we should ignore current key event state even
+ // after the keydown has already caused dispatching composition event.
+ // XXX Anyway, we should sort out around this at fixing bug 1338460.
+ if (currentKeyEvent && !currentKeyEvent->CanDispatchKeyPressEvent() &&
+ (str.IsEmpty() || (str.Length() == 1 && !IsPrintableChar(str[0])))) {
+ return;
+ }
+
+ // XXX Shouldn't we hold mDispatcher instead of mWidget?
+ RefPtr<nsChildView> widget(mWidget);
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::HandleKeyUpEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure", this));
+ return;
+ }
+
+ // Dispatch keypress event with char instead of compositionchange event
+ WidgetKeyboardEvent keypressEvent(true, eKeyPress, widget);
+ // XXX Why do we need to dispatch keypress event for not inputting any
+ // string? If it wants to delete the specified range, should we
+ // dispatch an eContentCommandDelete event instead? Because this
+ // must not be caused by a key operation, a part of IME's processing.
+ keypressEvent.mIsChar = IsPrintableChar(str.CharAt(0));
+
+ // Don't set other modifiers from the current event, because here in
+ // -insertText: they've already been taken into account in creating
+ // the input string.
+
+ if (currentKeyEvent) {
+ currentKeyEvent->InitKeyEvent(this, keypressEvent);
+ } else {
+ nsCocoaUtils::InitInputEvent(keypressEvent, static_cast<NSEvent*>(nullptr));
+ keypressEvent.mKeyNameIndex = KEY_NAME_INDEX_USE_STRING;
+ keypressEvent.mKeyValue = str;
+ // FYI: TextEventDispatcher will set mKeyCode to 0 for printable key's
+ // keypress events even if they don't cause inputting non-empty string.
+ }
+
+ // Remove basic modifiers from keypress event because if they are included,
+ // nsPlaintextEditor ignores the event.
+ keypressEvent.mModifiers &= ~(MODIFIER_CONTROL |
+ MODIFIER_ALT |
+ MODIFIER_META);
+
+ // TODO:
+ // If mCurrentKeyEvent.mKeyEvent is null, the text should be inputted as
+ // composition events.
+ nsEventStatus status = nsEventStatus_eIgnore;
+ bool keyPressDispatched =
+ mDispatcher->MaybeDispatchKeypressEvents(keypressEvent, status,
+ currentKeyEvent);
+ bool keyPressHandled = (status == nsEventStatus_eConsumeNoDefault);
+
+ // Note: mWidget might have become null here. Don't count on it from here on.
+
+ if (currentKeyEvent) {
+ currentKeyEvent->mKeyPressHandled = keyPressHandled;
+ currentKeyEvent->mKeyPressDispatched = keyPressDispatched;
+ }
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+bool
+TextInputHandler::DoCommandBySelector(const char* aSelector)
+{
+ RefPtr<nsChildView> widget(mWidget);
+
+ KeyEventState* currentKeyEvent = GetCurrentKeyEvent();
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::DoCommandBySelector, aSelector=\"%s\", "
+ "Destroyed()=%s, keydownHandled=%s, keypressHandled=%s, "
+ "causedOtherKeyEvents=%s",
+ this, aSelector ? aSelector : "", TrueOrFalse(Destroyed()),
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mKeyDownHandled) : "N/A",
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mKeyPressHandled) : "N/A",
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mCausedOtherKeyEvents) : "N/A"));
+
+ if (currentKeyEvent && currentKeyEvent->CanDispatchKeyPressEvent()) {
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DoCommandBySelector, "
+ "FAILED, due to BeginNativeInputTransaction() failure "
+ "at dispatching keypress", this));
+ return false;
+ }
+
+ WidgetKeyboardEvent keypressEvent(true, eKeyPress, widget);
+ currentKeyEvent->InitKeyEvent(this, keypressEvent);
+
+ nsEventStatus status = nsEventStatus_eIgnore;
+ currentKeyEvent->mKeyPressDispatched =
+ mDispatcher->MaybeDispatchKeypressEvents(keypressEvent, status,
+ currentKeyEvent);
+ currentKeyEvent->mKeyPressHandled =
+ (status == nsEventStatus_eConsumeNoDefault);
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandler::DoCommandBySelector, keypress event "
+ "dispatched, Destroyed()=%s, keypressHandled=%s",
+ this, TrueOrFalse(Destroyed()),
+ TrueOrFalse(currentKeyEvent->mKeyPressHandled)));
+ }
+
+ return (!Destroyed() && currentKeyEvent &&
+ currentKeyEvent->IsDefaultPrevented());
+}
+
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * IMEInputHandler implementation (static methods)
+ *
+ ******************************************************************************/
+
+bool IMEInputHandler::sStaticMembersInitialized = false;
+bool IMEInputHandler::sCachedIsForRTLLangage = false;
+CFStringRef IMEInputHandler::sLatestIMEOpenedModeInputSourceID = nullptr;
+IMEInputHandler* IMEInputHandler::sFocusedIMEHandler = nullptr;
+
+// static
+void
+IMEInputHandler::InitStaticMembers()
+{
+ if (sStaticMembersInitialized)
+ return;
+ sStaticMembersInitialized = true;
+ // We need to check the keyboard layout changes on all applications.
+ CFNotificationCenterRef center = ::CFNotificationCenterGetDistributedCenter();
+ // XXX Don't we need to remove the observer at shut down?
+ // Mac Dev Center's document doesn't say how to remove the observer if
+ // the second parameter is NULL.
+ ::CFNotificationCenterAddObserver(center, NULL,
+ OnCurrentTextInputSourceChange,
+ kTISNotifySelectedKeyboardInputSourceChanged, NULL,
+ CFNotificationSuspensionBehaviorDeliverImmediately);
+ // Initiailize with the current keyboard layout
+ OnCurrentTextInputSourceChange(NULL, NULL,
+ kTISNotifySelectedKeyboardInputSourceChanged,
+ NULL, NULL);
+}
+
+// static
+void
+IMEInputHandler::OnCurrentTextInputSourceChange(CFNotificationCenterRef aCenter,
+ void* aObserver,
+ CFStringRef aName,
+ const void* aObject,
+ CFDictionaryRef aUserInfo)
+{
+ // Cache the latest IME opened mode to sLatestIMEOpenedModeInputSourceID.
+ TISInputSourceWrapper tis;
+ tis.InitByCurrentInputSource();
+ if (tis.IsOpenedIMEMode()) {
+ tis.GetInputSourceID(sLatestIMEOpenedModeInputSourceID);
+ }
+
+ if (MOZ_LOG_TEST(gLog, LogLevel::Info)) {
+ static CFStringRef sLastTIS = nullptr;
+ CFStringRef newTIS;
+ tis.GetInputSourceID(newTIS);
+ if (!sLastTIS ||
+ ::CFStringCompare(sLastTIS, newTIS, 0) != kCFCompareEqualTo) {
+ TISInputSourceWrapper tis1, tis2, tis3, tis4, tis5;
+ tis1.InitByCurrentKeyboardLayout();
+ tis2.InitByCurrentASCIICapableInputSource();
+ tis3.InitByCurrentASCIICapableKeyboardLayout();
+ tis4.InitByCurrentInputMethodKeyboardLayoutOverride();
+ tis5.InitByTISInputSourceRef(tis.GetKeyboardLayoutInputSource());
+ CFStringRef is0 = nullptr, is1 = nullptr, is2 = nullptr, is3 = nullptr,
+ is4 = nullptr, is5 = nullptr, type0 = nullptr,
+ lang0 = nullptr, bundleID0 = nullptr;
+ tis.GetInputSourceID(is0);
+ tis1.GetInputSourceID(is1);
+ tis2.GetInputSourceID(is2);
+ tis3.GetInputSourceID(is3);
+ tis4.GetInputSourceID(is4);
+ tis5.GetInputSourceID(is5);
+ tis.GetInputSourceType(type0);
+ tis.GetPrimaryLanguage(lang0);
+ tis.GetBundleID(bundleID0);
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("IMEInputHandler::OnCurrentTextInputSourceChange,\n"
+ " Current Input Source is changed to:\n"
+ " currentInputContext=%p\n"
+ " %s\n"
+ " type=%s %s\n"
+ " overridden keyboard layout=%s\n"
+ " used keyboard layout for translation=%s\n"
+ " primary language=%s\n"
+ " bundle ID=%s\n"
+ " current ASCII capable Input Source=%s\n"
+ " current Keyboard Layout=%s\n"
+ " current ASCII capable Keyboard Layout=%s",
+ [NSTextInputContext currentInputContext], GetCharacters(is0),
+ GetCharacters(type0), tis.IsASCIICapable() ? "- ASCII capable " : "",
+ GetCharacters(is4), GetCharacters(is5),
+ GetCharacters(lang0), GetCharacters(bundleID0),
+ GetCharacters(is2), GetCharacters(is1), GetCharacters(is3)));
+ }
+ sLastTIS = newTIS;
+ }
+
+ /**
+ * When the direction is changed, all the children are notified.
+ * No need to treat the initial case separately because it is covered
+ * by the general case (sCachedIsForRTLLangage is initially false)
+ */
+ if (sCachedIsForRTLLangage != tis.IsForRTLLanguage()) {
+ WidgetUtils::SendBidiKeyboardInfoToContent();
+ sCachedIsForRTLLangage = tis.IsForRTLLanguage();
+ }
+}
+
+// static
+void
+IMEInputHandler::FlushPendingMethods(nsITimer* aTimer, void* aClosure)
+{
+ NS_ASSERTION(aClosure, "aClosure is null");
+ static_cast<IMEInputHandler*>(aClosure)->ExecutePendingMethods();
+}
+
+// static
+CFArrayRef
+IMEInputHandler::CreateAllIMEModeList()
+{
+ const void* keys[] = { kTISPropertyInputSourceType };
+ const void* values[] = { kTISTypeKeyboardInputMode };
+ CFDictionaryRef filter =
+ ::CFDictionaryCreate(kCFAllocatorDefault, keys, values, 1, NULL, NULL);
+ NS_ASSERTION(filter, "failed to create the filter");
+ CFArrayRef list = ::TISCreateInputSourceList(filter, true);
+ ::CFRelease(filter);
+ return list;
+}
+
+// static
+void
+IMEInputHandler::DebugPrintAllIMEModes()
+{
+ if (MOZ_LOG_TEST(gLog, LogLevel::Info)) {
+ CFArrayRef list = CreateAllIMEModeList();
+ MOZ_LOG(gLog, LogLevel::Info, ("IME mode configuration:"));
+ CFIndex idx = ::CFArrayGetCount(list);
+ TISInputSourceWrapper tis;
+ for (CFIndex i = 0; i < idx; ++i) {
+ TISInputSourceRef inputSource = static_cast<TISInputSourceRef>(
+ const_cast<void *>(::CFArrayGetValueAtIndex(list, i)));
+ tis.InitByTISInputSourceRef(inputSource);
+ nsAutoString name, isid;
+ tis.GetLocalizedName(name);
+ tis.GetInputSourceID(isid);
+ MOZ_LOG(gLog, LogLevel::Info,
+ (" %s\t<%s>%s%s\n",
+ NS_ConvertUTF16toUTF8(name).get(),
+ NS_ConvertUTF16toUTF8(isid).get(),
+ tis.IsASCIICapable() ? "" : "\t(Isn't ASCII capable)",
+ tis.IsEnabled() ? "" : "\t(Isn't Enabled)"));
+ }
+ ::CFRelease(list);
+ }
+}
+
+//static
+TSMDocumentID
+IMEInputHandler::GetCurrentTSMDocumentID()
+{
+ // At least on Mac OS X 10.6.x and 10.7.x, ::TSMGetActiveDocument() has a bug.
+ // The result of ::TSMGetActiveDocument() isn't modified for new active text
+ // input context until [NSTextInputContext currentInputContext] is called.
+ // Therefore, we need to call it here.
+ [NSTextInputContext currentInputContext];
+ return ::TSMGetActiveDocument();
+}
+
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * IMEInputHandler implementation #1
+ * The methods are releated to the pending methods. Some jobs should be
+ * run after the stack is finished, e.g, some methods cannot run the jobs
+ * during processing the focus event. And also some other jobs should be
+ * run at the next focus event is processed.
+ * The pending methods are recorded in mPendingMethods. They are executed
+ * by ExecutePendingMethods via FlushPendingMethods.
+ *
+ ******************************************************************************/
+
+NS_IMETHODIMP
+IMEInputHandler::NotifyIME(TextEventDispatcher* aTextEventDispatcher,
+ const IMENotification& aNotification)
+{
+ switch (aNotification.mMessage) {
+ case REQUEST_TO_COMMIT_COMPOSITION:
+ CommitIMEComposition();
+ return NS_OK;
+ case REQUEST_TO_CANCEL_COMPOSITION:
+ CancelIMEComposition();
+ return NS_OK;
+ case NOTIFY_IME_OF_FOCUS:
+ if (IsFocused()) {
+ nsIWidget* widget = aTextEventDispatcher->GetWidget();
+ if (widget && widget->GetInputContext().IsPasswordEditor()) {
+ EnableSecureEventInput();
+ } else {
+ EnsureSecureEventInputDisabled();
+ }
+ }
+ OnFocusChangeInGecko(true);
+ return NS_OK;
+ case NOTIFY_IME_OF_BLUR:
+ OnFocusChangeInGecko(false);
+ return NS_OK;
+ case NOTIFY_IME_OF_SELECTION_CHANGE:
+ OnSelectionChange(aNotification);
+ return NS_OK;
+ default:
+ return NS_ERROR_NOT_IMPLEMENTED;
+ }
+}
+
+NS_IMETHODIMP_(void)
+IMEInputHandler::OnRemovedFrom(TextEventDispatcher* aTextEventDispatcher)
+{
+ // XXX When input transaction is being stolen by add-on, what should we do?
+}
+
+NS_IMETHODIMP_(void)
+IMEInputHandler::WillDispatchKeyboardEvent(
+ TextEventDispatcher* aTextEventDispatcher,
+ WidgetKeyboardEvent& aKeyboardEvent,
+ uint32_t aIndexOfKeypress,
+ void* aData)
+{
+ // If the keyboard event is not caused by a native key event, we can do
+ // nothing here.
+ if (!aData) {
+ return;
+ }
+
+ KeyEventState* currentKeyEvent = static_cast<KeyEventState*>(aData);
+ NSEvent* nativeEvent = currentKeyEvent->mKeyEvent;
+ nsAString* insertString = currentKeyEvent->mInsertString;
+ if (KeyboardLayoutOverrideRef().mOverrideEnabled) {
+ TISInputSourceWrapper tis;
+ tis.InitByLayoutID(KeyboardLayoutOverrideRef().mKeyboardLayout, true);
+ tis.WillDispatchKeyboardEvent(nativeEvent, insertString, aKeyboardEvent);
+ return;
+ }
+ TISInputSourceWrapper::CurrentInputSource().
+ WillDispatchKeyboardEvent(nativeEvent, insertString, aKeyboardEvent);
+}
+
+void
+IMEInputHandler::NotifyIMEOfFocusChangeInGecko()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::NotifyIMEOfFocusChangeInGecko, "
+ "Destroyed()=%s, IsFocused()=%s, inputContext=%p",
+ this, TrueOrFalse(Destroyed()), TrueOrFalse(IsFocused()),
+ mView ? [mView inputContext] : nullptr));
+
+ if (Destroyed()) {
+ return;
+ }
+
+ if (!IsFocused()) {
+ // retry at next focus event
+ mPendingMethods |= kNotifyIMEOfFocusChangeInGecko;
+ return;
+ }
+
+ MOZ_ASSERT(mView);
+ NSTextInputContext* inputContext = [mView inputContext];
+ NS_ENSURE_TRUE_VOID(inputContext);
+
+ // When an <input> element on a XUL <panel> element gets focus from an <input>
+ // element on the opener window of the <panel> element, the owner window
+ // still has native focus. Therefore, IMEs may store the opener window's
+ // level at this time because they don't know the actual focus is moved to
+ // different window. If IMEs try to get the newest window level after the
+ // focus change, we return the window level of the XUL <panel>'s widget.
+ // Therefore, let's emulate the native focus change. Then, IMEs can refresh
+ // the stored window level.
+ [inputContext deactivate];
+ [inputContext activate];
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+IMEInputHandler::DiscardIMEComposition()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::DiscardIMEComposition, "
+ "Destroyed()=%s, IsFocused()=%s, mView=%p, inputContext=%p",
+ this, TrueOrFalse(Destroyed()), TrueOrFalse(IsFocused()),
+ mView, mView ? [mView inputContext] : nullptr));
+
+ if (Destroyed()) {
+ return;
+ }
+
+ if (!IsFocused()) {
+ // retry at next focus event
+ mPendingMethods |= kDiscardIMEComposition;
+ return;
+ }
+
+ NS_ENSURE_TRUE_VOID(mView);
+ NSTextInputContext* inputContext = [mView inputContext];
+ NS_ENSURE_TRUE_VOID(inputContext);
+ mIgnoreIMECommit = true;
+ [inputContext discardMarkedText];
+ mIgnoreIMECommit = false;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK
+}
+
+void
+IMEInputHandler::SyncASCIICapableOnly()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SyncASCIICapableOnly, "
+ "Destroyed()=%s, IsFocused()=%s, mIsASCIICapableOnly=%s, "
+ "GetCurrentTSMDocumentID()=%p",
+ this, TrueOrFalse(Destroyed()), TrueOrFalse(IsFocused()),
+ TrueOrFalse(mIsASCIICapableOnly), GetCurrentTSMDocumentID()));
+
+ if (Destroyed()) {
+ return;
+ }
+
+ if (!IsFocused()) {
+ // retry at next focus event
+ mPendingMethods |= kSyncASCIICapableOnly;
+ return;
+ }
+
+ TSMDocumentID doc = GetCurrentTSMDocumentID();
+ if (!doc) {
+ // retry
+ mPendingMethods |= kSyncASCIICapableOnly;
+ NS_WARNING("Application is active but there is no active document");
+ ResetTimer();
+ return;
+ }
+
+ if (mIsASCIICapableOnly) {
+ CFArrayRef ASCIICapableTISList = ::TISCreateASCIICapableInputSourceList();
+ ::TSMSetDocumentProperty(doc,
+ kTSMDocumentEnabledInputSourcesPropertyTag,
+ sizeof(CFArrayRef),
+ &ASCIICapableTISList);
+ ::CFRelease(ASCIICapableTISList);
+ } else {
+ ::TSMRemoveDocumentProperty(doc,
+ kTSMDocumentEnabledInputSourcesPropertyTag);
+ }
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+IMEInputHandler::ResetTimer()
+{
+ NS_ASSERTION(mPendingMethods != 0,
+ "There are not pending methods, why this is called?");
+ if (mTimer) {
+ mTimer->Cancel();
+ } else {
+ mTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
+ NS_ENSURE_TRUE(mTimer, );
+ }
+ mTimer->InitWithFuncCallback(FlushPendingMethods, this, 0,
+ nsITimer::TYPE_ONE_SHOT);
+}
+
+void
+IMEInputHandler::ExecutePendingMethods()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ if (mTimer) {
+ mTimer->Cancel();
+ mTimer = nullptr;
+ }
+
+ if (![[NSApplication sharedApplication] isActive]) {
+ mIsInFocusProcessing = false;
+ // If we're not active, we should retry at focus event
+ return;
+ }
+
+ uint32_t pendingMethods = mPendingMethods;
+ // First, reset the pending method flags because if each methods cannot
+ // run now, they can reentry to the pending flags by theirselves.
+ mPendingMethods = 0;
+
+ if (pendingMethods & kDiscardIMEComposition)
+ DiscardIMEComposition();
+ if (pendingMethods & kSyncASCIICapableOnly)
+ SyncASCIICapableOnly();
+ if (pendingMethods & kNotifyIMEOfFocusChangeInGecko) {
+ NotifyIMEOfFocusChangeInGecko();
+ }
+
+ mIsInFocusProcessing = false;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * IMEInputHandler implementation (native event handlers)
+ *
+ ******************************************************************************/
+
+TextRangeType
+IMEInputHandler::ConvertToTextRangeType(uint32_t aUnderlineStyle,
+ NSRange& aSelectedRange)
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::ConvertToTextRangeType, "
+ "aUnderlineStyle=%llu, aSelectedRange.length=%llu,",
+ this, aUnderlineStyle, aSelectedRange.length));
+
+ // We assume that aUnderlineStyle is NSUnderlineStyleSingle or
+ // NSUnderlineStyleThick. NSUnderlineStyleThick should indicate a selected
+ // clause. Otherwise, should indicate non-selected clause.
+
+ if (aSelectedRange.length == 0) {
+ switch (aUnderlineStyle) {
+ case NSUnderlineStyleSingle:
+ return TextRangeType::eRawClause;
+ case NSUnderlineStyleThick:
+ return TextRangeType::eSelectedRawClause;
+ default:
+ NS_WARNING("Unexpected line style");
+ return TextRangeType::eSelectedRawClause;
+ }
+ }
+
+ switch (aUnderlineStyle) {
+ case NSUnderlineStyleSingle:
+ return TextRangeType::eConvertedClause;
+ case NSUnderlineStyleThick:
+ return TextRangeType::eSelectedClause;
+ default:
+ NS_WARNING("Unexpected line style");
+ return TextRangeType::eSelectedClause;
+ }
+}
+
+uint32_t
+IMEInputHandler::GetRangeCount(NSAttributedString *aAttrString)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ // Iterate through aAttrString for the NSUnderlineStyleAttributeName and
+ // count the different segments adjusting limitRange as we go.
+ uint32_t count = 0;
+ NSRange effectiveRange;
+ NSRange limitRange = NSMakeRange(0, [aAttrString length]);
+ while (limitRange.length > 0) {
+ [aAttrString attribute:NSUnderlineStyleAttributeName
+ atIndex:limitRange.location
+ longestEffectiveRange:&effectiveRange
+ inRange:limitRange];
+ limitRange =
+ NSMakeRange(NSMaxRange(effectiveRange),
+ NSMaxRange(limitRange) - NSMaxRange(effectiveRange));
+ count++;
+ }
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::GetRangeCount, aAttrString=\"%s\", count=%llu",
+ this, GetCharacters([aAttrString string]), count));
+
+ return count;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(0);
+}
+
+already_AddRefed<mozilla::TextRangeArray>
+IMEInputHandler::CreateTextRangeArray(NSAttributedString *aAttrString,
+ NSRange& aSelectedRange)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
+
+ RefPtr<mozilla::TextRangeArray> textRangeArray =
+ new mozilla::TextRangeArray();
+
+ // Note that we shouldn't append ranges when composition string
+ // is empty because it may cause TextComposition confused.
+ if (![aAttrString length]) {
+ return textRangeArray.forget();
+ }
+
+ // Convert the Cocoa range into the TextRange Array used in Gecko.
+ // Iterate through the attributed string and map the underline attribute to
+ // Gecko IME textrange attributes. We may need to change the code here if
+ // we change the implementation of validAttributesForMarkedText.
+ NSRange limitRange = NSMakeRange(0, [aAttrString length]);
+ uint32_t rangeCount = GetRangeCount(aAttrString);
+ for (uint32_t i = 0; i < rangeCount && limitRange.length > 0; i++) {
+ NSRange effectiveRange;
+ id attributeValue = [aAttrString attribute:NSUnderlineStyleAttributeName
+ atIndex:limitRange.location
+ longestEffectiveRange:&effectiveRange
+ inRange:limitRange];
+
+ TextRange range;
+ range.mStartOffset = effectiveRange.location;
+ range.mEndOffset = NSMaxRange(effectiveRange);
+ range.mRangeType =
+ ConvertToTextRangeType([attributeValue intValue], aSelectedRange);
+ textRangeArray->AppendElement(range);
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::CreateTextRangeArray, "
+ "range={ mStartOffset=%llu, mEndOffset=%llu, mRangeType=%s }",
+ this, range.mStartOffset, range.mEndOffset,
+ ToChar(range.mRangeType)));
+
+ limitRange =
+ NSMakeRange(NSMaxRange(effectiveRange),
+ NSMaxRange(limitRange) - NSMaxRange(effectiveRange));
+ }
+
+ // Get current caret position.
+ TextRange range;
+ range.mStartOffset = aSelectedRange.location + aSelectedRange.length;
+ range.mEndOffset = range.mStartOffset;
+ range.mRangeType = TextRangeType::eCaret;
+ textRangeArray->AppendElement(range);
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::CreateTextRangeArray, "
+ "range={ mStartOffset=%llu, mEndOffset=%llu, mRangeType=%s }",
+ this, range.mStartOffset, range.mEndOffset,
+ ToChar(range.mRangeType)));
+
+ return textRangeArray.forget();
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_NSNULL;
+}
+
+bool
+IMEInputHandler::DispatchCompositionStartEvent()
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::DispatchCompositionStartEvent, "
+ "mSelectedRange={ location=%llu, length=%llu }, Destroyed()=%s, "
+ "mView=%p, mWidget=%p, inputContext=%p, mIsIMEComposing=%s",
+ this, SelectedRange().location, mSelectedRange.length,
+ TrueOrFalse(Destroyed()), mView, mWidget,
+ mView ? [mView inputContext] : nullptr, TrueOrFalse(mIsIMEComposing)));
+
+ RefPtr<IMEInputHandler> kungFuDeathGrip(this);
+
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DispatchCompositionStartEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure", this));
+ return false;
+ }
+
+ NS_ASSERTION(!mIsIMEComposing, "There is a composition already");
+ mIsIMEComposing = true;
+
+ nsEventStatus status;
+ rv = mDispatcher->StartComposition(status);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DispatchCompositionStartEvent, "
+ "FAILED, due to StartComposition() failure", this));
+ return false;
+ }
+
+ if (Destroyed()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::DispatchCompositionStartEvent, "
+ "destroyed by compositionstart event", this));
+ return false;
+ }
+
+ // FYI: compositionstart may cause committing composition by the webapp.
+ if (!mIsIMEComposing) {
+ return false;
+ }
+
+ // FYI: The selection range might have been modified by a compositionstart
+ // event handler.
+ mIMECompositionStart = SelectedRange().location;
+ return true;
+}
+
+bool
+IMEInputHandler::DispatchCompositionChangeEvent(const nsString& aText,
+ NSAttributedString* aAttrString,
+ NSRange& aSelectedRange)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::DispatchCompositionChangeEvent, "
+ "aText=\"%s\", aAttrString=\"%s\", "
+ "aSelectedRange={ location=%llu, length=%llu }, Destroyed()=%s, mView=%p, "
+ "mWidget=%p, inputContext=%p, mIsIMEComposing=%s",
+ this, NS_ConvertUTF16toUTF8(aText).get(),
+ GetCharacters([aAttrString string]),
+ aSelectedRange.location, aSelectedRange.length,
+ TrueOrFalse(Destroyed()), mView, mWidget,
+ mView ? [mView inputContext] : nullptr, TrueOrFalse(mIsIMEComposing)));
+
+ NS_ENSURE_TRUE(!Destroyed(), false);
+
+ NS_ASSERTION(mIsIMEComposing, "We're not in composition");
+
+ RefPtr<IMEInputHandler> kungFuDeathGrip(this);
+
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DispatchCompositionChangeEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure", this));
+ return false;
+ }
+
+ RefPtr<TextRangeArray> rangeArray =
+ CreateTextRangeArray(aAttrString, aSelectedRange);
+
+ rv = mDispatcher->SetPendingComposition(aText, rangeArray);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DispatchCompositionChangeEvent, "
+ "FAILED, due to SetPendingComposition() failure", this));
+ return false;
+ }
+
+ mSelectedRange.location = mIMECompositionStart + aSelectedRange.location;
+ mSelectedRange.length = aSelectedRange.length;
+
+ if (mIMECompositionString) {
+ [mIMECompositionString release];
+ }
+ mIMECompositionString = [[aAttrString string] retain];
+
+ nsEventStatus status;
+ rv = mDispatcher->FlushPendingComposition(status);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DispatchCompositionChangeEvent, "
+ "FAILED, due to FlushPendingComposition() failure", this));
+ return false;
+ }
+
+ if (Destroyed()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::DispatchCompositionChangeEvent, "
+ "destroyed by compositionchange event", this));
+ return false;
+ }
+
+ // FYI: compositionstart may cause committing composition by the webapp.
+ return mIsIMEComposing;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
+}
+
+bool
+IMEInputHandler::DispatchCompositionCommitEvent(const nsAString* aCommitString)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::DispatchCompositionCommitEvent, "
+ "aCommitString=0x%p (\"%s\"), Destroyed()=%s, mView=%p, mWidget=%p, "
+ "inputContext=%p, mIsIMEComposing=%s",
+ this, aCommitString,
+ aCommitString ? NS_ConvertUTF16toUTF8(*aCommitString).get() : "",
+ TrueOrFalse(Destroyed()), mView, mWidget,
+ mView ? [mView inputContext] : nullptr, TrueOrFalse(mIsIMEComposing)));
+
+ NS_ASSERTION(mIsIMEComposing, "We're not in composition");
+
+ RefPtr<IMEInputHandler> kungFuDeathGrip(this);
+
+ if (!Destroyed()) {
+ // IME may query selection immediately after this, however, in e10s mode,
+ // OnSelectionChange() will be called asynchronously. Until then, we
+ // should emulate expected selection range if the webapp does nothing.
+ mSelectedRange.location = mIMECompositionStart;
+ if (aCommitString) {
+ mSelectedRange.location += aCommitString->Length();
+ } else if (mIMECompositionString) {
+ nsAutoString commitString;
+ nsCocoaUtils::GetStringForNSString(mIMECompositionString, commitString);
+ mSelectedRange.location += commitString.Length();
+ }
+ mSelectedRange.length = 0;
+
+ nsresult rv = mDispatcher->BeginNativeInputTransaction();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DispatchCompositionCommitEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure", this));
+ } else {
+ nsEventStatus status;
+ rv = mDispatcher->CommitComposition(status, aCommitString);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_LOG(gLog, LogLevel::Error,
+ ("%p IMEInputHandler::DispatchCompositionCommitEvent, "
+ "FAILED, due to BeginNativeInputTransaction() failure", this));
+ }
+ }
+ }
+
+ mIsIMEComposing = false;
+ mIMECompositionStart = UINT32_MAX;
+ if (mIMECompositionString) {
+ [mIMECompositionString release];
+ mIMECompositionString = nullptr;
+ }
+
+ if (Destroyed()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::DispatchCompositionCommitEvent, "
+ "destroyed by compositioncommit event", this));
+ return false;
+ }
+
+ return true;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
+}
+
+void
+IMEInputHandler::InsertTextAsCommittingComposition(
+ NSAttributedString* aAttrString,
+ NSRange* aReplacementRange)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::InsertTextAsCommittingComposition, "
+ "aAttrString=\"%s\", aReplacementRange=%p { location=%llu, length=%llu }, "
+ "Destroyed()=%s, IsIMEComposing()=%s, "
+ "mMarkedRange={ location=%llu, length=%llu }",
+ this, GetCharacters([aAttrString string]), aReplacementRange,
+ aReplacementRange ? aReplacementRange->location : 0,
+ aReplacementRange ? aReplacementRange->length : 0,
+ TrueOrFalse(Destroyed()), TrueOrFalse(IsIMEComposing()),
+ mMarkedRange.location, mMarkedRange.length));
+
+ if (IgnoreIMECommit()) {
+ MOZ_CRASH("IMEInputHandler::InsertTextAsCommittingComposition() must not"
+ "be called while canceling the composition");
+ }
+
+ if (Destroyed()) {
+ return;
+ }
+
+ // First, commit current composition with the latest composition string if the
+ // replacement range is different from marked range.
+ if (IsIMEComposing() && aReplacementRange &&
+ aReplacementRange->location != NSNotFound &&
+ !NSEqualRanges(MarkedRange(), *aReplacementRange)) {
+ if (!DispatchCompositionCommitEvent()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::InsertTextAsCommittingComposition, "
+ "destroyed by commiting composition for setting replacement range",
+ this));
+ return;
+ }
+ }
+
+ RefPtr<IMEInputHandler> kungFuDeathGrip(this);
+
+ nsString str;
+ nsCocoaUtils::GetStringForNSString([aAttrString string], str);
+
+ if (!IsIMEComposing()) {
+ // If there is no selection and replacement range is specified, set the
+ // range as selection.
+ if (aReplacementRange && aReplacementRange->location != NSNotFound &&
+ !NSEqualRanges(SelectedRange(), *aReplacementRange)) {
+ NS_ENSURE_TRUE_VOID(SetSelection(*aReplacementRange));
+ }
+
+ if (!DispatchCompositionStartEvent()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::InsertTextAsCommittingComposition, "
+ "cannot continue handling composition after compositionstart", this));
+ return;
+ }
+ }
+
+ if (!DispatchCompositionCommitEvent(&str)) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::InsertTextAsCommittingComposition, "
+ "destroyed by compositioncommit event", this));
+ return;
+ }
+
+ mMarkedRange = NSMakeRange(NSNotFound, 0);
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+IMEInputHandler::SetMarkedText(NSAttributedString* aAttrString,
+ NSRange& aSelectedRange,
+ NSRange* aReplacementRange)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ KeyEventState* currentKeyEvent = GetCurrentKeyEvent();
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SetMarkedText, "
+ "aAttrString=\"%s\", aSelectedRange={ location=%llu, length=%llu }, "
+ "aReplacementRange=%p { location=%llu, length=%llu }, "
+ "Destroyed()=%s, IgnoreIMEComposition()=%s, IsIMEComposing()=%s, "
+ "mMarkedRange={ location=%llu, length=%llu }, keyevent=%p, "
+ "keydownHandled=%s, keypressDispatched=%s, causedOtherKeyEvents=%s, "
+ "compositionDispatched=%s",
+ this, GetCharacters([aAttrString string]),
+ aSelectedRange.location, aSelectedRange.length, aReplacementRange,
+ aReplacementRange ? aReplacementRange->location : 0,
+ aReplacementRange ? aReplacementRange->length : 0,
+ TrueOrFalse(Destroyed()), TrueOrFalse(IgnoreIMEComposition()),
+ TrueOrFalse(IsIMEComposing()),
+ mMarkedRange.location, mMarkedRange.length,
+ currentKeyEvent ? currentKeyEvent->mKeyEvent : nullptr,
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mKeyDownHandled) : "N/A",
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mKeyPressDispatched) : "N/A",
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mCausedOtherKeyEvents) : "N/A",
+ currentKeyEvent ?
+ TrueOrFalse(currentKeyEvent->mCompositionDispatched) : "N/A"));
+
+ // If SetMarkedText() is called during handling a key press, that means that
+ // the key event caused this composition. So, keypress event shouldn't
+ // be dispatched later, let's mark the key event causing composition event.
+ if (currentKeyEvent) {
+ currentKeyEvent->mCompositionDispatched = true;
+ }
+
+ if (Destroyed() || IgnoreIMEComposition()) {
+ return;
+ }
+
+ RefPtr<IMEInputHandler> kungFuDeathGrip(this);
+
+ // First, commit current composition with the latest composition string if the
+ // replacement range is different from marked range.
+ if (IsIMEComposing() && aReplacementRange &&
+ aReplacementRange->location != NSNotFound &&
+ !NSEqualRanges(MarkedRange(), *aReplacementRange)) {
+ AutoRestore<bool> ignoreIMECommit(mIgnoreIMECommit);
+ mIgnoreIMECommit = false;
+ if (!DispatchCompositionCommitEvent()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SetMarkedText, "
+ "destroyed by commiting composition for setting replacement range",
+ this));
+ return;
+ }
+ }
+
+ nsString str;
+ nsCocoaUtils::GetStringForNSString([aAttrString string], str);
+
+ mMarkedRange.length = str.Length();
+
+ if (!IsIMEComposing() && !str.IsEmpty()) {
+ // If there is no selection and replacement range is specified, set the
+ // range as selection.
+ if (aReplacementRange && aReplacementRange->location != NSNotFound &&
+ !NSEqualRanges(SelectedRange(), *aReplacementRange)) {
+ NS_ENSURE_TRUE_VOID(SetSelection(*aReplacementRange));
+ }
+
+ mMarkedRange.location = SelectedRange().location;
+
+ if (!DispatchCompositionStartEvent()) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SetMarkedText, cannot continue handling "
+ "composition after dispatching compositionstart", this));
+ return;
+ }
+ }
+
+ if (!str.IsEmpty()) {
+ if (!DispatchCompositionChangeEvent(str, aAttrString, aSelectedRange)) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SetMarkedText, cannot continue handling "
+ "composition after dispatching compositionchange", this));
+ }
+ return;
+ }
+
+ // If the composition string becomes empty string, we should commit
+ // current composition.
+ if (!DispatchCompositionCommitEvent(&EmptyString())) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SetMarkedText, "
+ "destroyed by compositioncommit event", this));
+ }
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+NSAttributedString*
+IMEInputHandler::GetAttributedSubstringFromRange(NSRange& aRange,
+ NSRange* aActualRange)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::GetAttributedSubstringFromRange, "
+ "aRange={ location=%llu, length=%llu }, aActualRange=%p, Destroyed()=%s",
+ this, aRange.location, aRange.length, aActualRange,
+ TrueOrFalse(Destroyed())));
+
+ if (aActualRange) {
+ *aActualRange = NSMakeRange(NSNotFound, 0);
+ }
+
+ if (Destroyed() || aRange.location == NSNotFound || aRange.length == 0) {
+ return nil;
+ }
+
+ RefPtr<IMEInputHandler> kungFuDeathGrip(this);
+
+ // If we're in composing, the queried range may be in the composition string.
+ // In such case, we should use mIMECompositionString since if the composition
+ // string is handled by a remote process, the content cache may be out of
+ // date.
+ // XXX Should we set composition string attributes? Although, Blink claims
+ // that some attributes of marked text are supported, but they return
+ // just marked string without any style. So, let's keep current behavior
+ // at least for now.
+ NSUInteger compositionLength =
+ mIMECompositionString ? [mIMECompositionString length] : 0;
+ if (mIMECompositionStart != UINT32_MAX &&
+ mIMECompositionStart >= aRange.location &&
+ mIMECompositionStart + compositionLength <=
+ aRange.location + aRange.length) {
+ NSRange range =
+ NSMakeRange(aRange.location - mIMECompositionStart, aRange.length);
+ NSString* nsstr = [mIMECompositionString substringWithRange:range];
+ NSMutableAttributedString* result =
+ [[[NSMutableAttributedString alloc] initWithString:nsstr
+ attributes:nil] autorelease];
+ // XXX We cannot return font information in this case. However, this
+ // case must occur only when IME tries to confirm if composing string
+ // is handled as expected.
+ if (aActualRange) {
+ *aActualRange = aRange;
+ }
+
+ if (MOZ_LOG_TEST(gLog, LogLevel::Info)) {
+ nsAutoString str;
+ nsCocoaUtils::GetStringForNSString(nsstr, str);
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::GetAttributedSubstringFromRange, "
+ "computed with mIMECompositionString (result string=\"%s\")",
+ this, NS_ConvertUTF16toUTF8(str).get()));
+ }
+ return result;
+ }
+
+ nsAutoString str;
+ WidgetQueryContentEvent textContent(true, eQueryTextContent, mWidget);
+ WidgetQueryContentEvent::Options options;
+ int64_t startOffset = aRange.location;
+ if (IsIMEComposing()) {
+ // The composition may be at different offset from the selection start
+ // offset at dispatching compositionstart because start of composition
+ // is fixed when composition string becomes non-empty in the editor.
+ // Therefore, we need to use query event which is relative to insertion
+ // point.
+ options.mRelativeToInsertionPoint = true;
+ startOffset -= mIMECompositionStart;
+ }
+ textContent.InitForQueryTextContent(startOffset, aRange.length, options);
+ textContent.RequestFontRanges();
+ DispatchEvent(textContent);
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::GetAttributedSubstringFromRange, "
+ "textContent={ mSucceeded=%s, mReply={ mString=\"%s\", mOffset=%u } }",
+ this, TrueOrFalse(textContent.mSucceeded),
+ NS_ConvertUTF16toUTF8(textContent.mReply.mString).get(),
+ textContent.mReply.mOffset));
+
+ if (!textContent.mSucceeded) {
+ return nil;
+ }
+
+ // We don't set vertical information at this point. If required,
+ // OS will calls drawsVerticallyForCharacterAtIndex.
+ NSMutableAttributedString* result =
+ nsCocoaUtils::GetNSMutableAttributedString(textContent.mReply.mString,
+ textContent.mReply.mFontRanges,
+ false,
+ mWidget->BackingScaleFactor());
+ if (aActualRange) {
+ aActualRange->location = textContent.mReply.mOffset;
+ aActualRange->length = textContent.mReply.mString.Length();
+ }
+ return result;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
+}
+
+bool
+IMEInputHandler::HasMarkedText()
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::HasMarkedText, "
+ "mMarkedRange={ location=%llu, length=%llu }",
+ this, mMarkedRange.location, mMarkedRange.length));
+
+ return (mMarkedRange.location != NSNotFound) && (mMarkedRange.length != 0);
+}
+
+NSRange
+IMEInputHandler::MarkedRange()
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::MarkedRange, "
+ "mMarkedRange={ location=%llu, length=%llu }",
+ this, mMarkedRange.location, mMarkedRange.length));
+
+ if (!HasMarkedText()) {
+ return NSMakeRange(NSNotFound, 0);
+ }
+ return mMarkedRange;
+}
+
+NSRange
+IMEInputHandler::SelectedRange()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SelectedRange, Destroyed()=%s, mSelectedRange={ "
+ "location=%llu, length=%llu }",
+ this, TrueOrFalse(Destroyed()), mSelectedRange.location,
+ mSelectedRange.length));
+
+ if (Destroyed()) {
+ return mSelectedRange;
+ }
+
+ if (mSelectedRange.location != NSNotFound) {
+ MOZ_ASSERT(mIMEHasFocus);
+ return mSelectedRange;
+ }
+
+ RefPtr<IMEInputHandler> kungFuDeathGrip(this);
+
+ WidgetQueryContentEvent selection(true, eQuerySelectedText, mWidget);
+ DispatchEvent(selection);
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SelectedRange, selection={ mSucceeded=%s, "
+ "mReply={ mOffset=%u, mString.Length()=%u } }",
+ this, TrueOrFalse(selection.mSucceeded), selection.mReply.mOffset,
+ selection.mReply.mString.Length()));
+
+ if (!selection.mSucceeded) {
+ return mSelectedRange;
+ }
+
+ mWritingMode = selection.GetWritingMode();
+ mRangeForWritingMode = NSMakeRange(selection.mReply.mOffset,
+ selection.mReply.mString.Length());
+
+ if (mIMEHasFocus) {
+ mSelectedRange = mRangeForWritingMode;
+ }
+
+ return mRangeForWritingMode;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(mSelectedRange);
+}
+
+bool
+IMEInputHandler::DrawsVerticallyForCharacterAtIndex(uint32_t aCharIndex)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ if (Destroyed()) {
+ return false;
+ }
+
+ if (mRangeForWritingMode.location == NSNotFound) {
+ // Update cached writing-mode value for the current selection.
+ SelectedRange();
+ }
+
+ if (aCharIndex < mRangeForWritingMode.location ||
+ aCharIndex > mRangeForWritingMode.location + mRangeForWritingMode.length) {
+ // It's not clear to me whether this ever happens in practice, but if an
+ // IME ever wants to query writing mode at an offset outside the current
+ // selection, the writing-mode value may not be correct for the index.
+ // In that case, use FirstRectForCharacterRange to get a fresh value.
+ // This does more work than strictly necessary (we don't need the rect here),
+ // but should be a rare case.
+ NS_WARNING("DrawsVerticallyForCharacterAtIndex not using cached writing mode");
+ NSRange range = NSMakeRange(aCharIndex, 1);
+ NSRange actualRange;
+ FirstRectForCharacterRange(range, &actualRange);
+ }
+
+ return mWritingMode.IsVertical();
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
+}
+
+NSRect
+IMEInputHandler::FirstRectForCharacterRange(NSRange& aRange,
+ NSRange* aActualRange)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::FirstRectForCharacterRange, Destroyed()=%s, "
+ "aRange={ location=%llu, length=%llu }, aActualRange=%p }",
+ this, TrueOrFalse(Destroyed()), aRange.location, aRange.length,
+ aActualRange));
+
+ // XXX this returns first character rect or caret rect, it is limitation of
+ // now. We need more work for returns first line rect. But current
+ // implementation is enough for IMEs.
+
+ NSRect rect = NSMakeRect(0.0, 0.0, 0.0, 0.0);
+ NSRange actualRange = NSMakeRange(NSNotFound, 0);
+ if (aActualRange) {
+ *aActualRange = actualRange;
+ }
+ if (Destroyed() || aRange.location == NSNotFound) {
+ return rect;
+ }
+
+ RefPtr<IMEInputHandler> kungFuDeathGrip(this);
+
+ LayoutDeviceIntRect r;
+ bool useCaretRect = (aRange.length == 0);
+ if (!useCaretRect) {
+ WidgetQueryContentEvent charRect(true, eQueryTextRect, mWidget);
+ WidgetQueryContentEvent::Options options;
+ int64_t startOffset = aRange.location;
+ if (IsIMEComposing()) {
+ // The composition may be at different offset from the selection start
+ // offset at dispatching compositionstart because start of composition
+ // is fixed when composition string becomes non-empty in the editor.
+ // Therefore, we need to use query event which is relative to insertion
+ // point.
+ options.mRelativeToInsertionPoint = true;
+ startOffset -= mIMECompositionStart;
+ }
+ charRect.InitForQueryTextRect(startOffset, 1, options);
+ DispatchEvent(charRect);
+ if (charRect.mSucceeded) {
+ r = charRect.mReply.mRect;
+ actualRange.location = charRect.mReply.mOffset;
+ actualRange.length = charRect.mReply.mString.Length();
+ mWritingMode = charRect.GetWritingMode();
+ mRangeForWritingMode = actualRange;
+ } else {
+ useCaretRect = true;
+ }
+ }
+
+ if (useCaretRect) {
+ WidgetQueryContentEvent caretRect(true, eQueryCaretRect, mWidget);
+ WidgetQueryContentEvent::Options options;
+ int64_t startOffset = aRange.location;
+ if (IsIMEComposing()) {
+ // The composition may be at different offset from the selection start
+ // offset at dispatching compositionstart because start of composition
+ // is fixed when composition string becomes non-empty in the editor.
+ // Therefore, we need to use query event which is relative to insertion
+ // point.
+ options.mRelativeToInsertionPoint = true;
+ startOffset -= mIMECompositionStart;
+ }
+ caretRect.InitForQueryCaretRect(startOffset, options);
+ DispatchEvent(caretRect);
+ if (!caretRect.mSucceeded) {
+ return rect;
+ }
+ r = caretRect.mReply.mRect;
+ r.width = 0;
+ actualRange.location = caretRect.mReply.mOffset;
+ actualRange.length = 0;
+ }
+
+ nsIWidget* rootWidget = mWidget->GetTopLevelWidget();
+ NSWindow* rootWindow =
+ static_cast<NSWindow*>(rootWidget->GetNativeData(NS_NATIVE_WINDOW));
+ NSView* rootView =
+ static_cast<NSView*>(rootWidget->GetNativeData(NS_NATIVE_WIDGET));
+ if (!rootWindow || !rootView) {
+ return rect;
+ }
+ rect = nsCocoaUtils::DevPixelsToCocoaPoints(r, mWidget->BackingScaleFactor());
+ rect = [rootView convertRect:rect toView:nil];
+ rect.origin = nsCocoaUtils::ConvertPointToScreen(rootWindow, rect.origin);
+
+ if (aActualRange) {
+ *aActualRange = actualRange;
+ }
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::FirstRectForCharacterRange, "
+ "useCaretRect=%s rect={ x=%f, y=%f, width=%f, height=%f }, "
+ "actualRange={ location=%llu, length=%llu }",
+ this, TrueOrFalse(useCaretRect), rect.origin.x, rect.origin.y,
+ rect.size.width, rect.size.height, actualRange.location,
+ actualRange.length));
+
+ return rect;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSMakeRect(0.0, 0.0, 0.0, 0.0));
+}
+
+NSUInteger
+IMEInputHandler::CharacterIndexForPoint(NSPoint& aPoint)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::CharacterIndexForPoint, aPoint={ x=%f, y=%f }",
+ this, aPoint.x, aPoint.y));
+
+ NSWindow* mainWindow = [NSApp mainWindow];
+ if (!mWidget || !mainWindow) {
+ return NSNotFound;
+ }
+
+ WidgetQueryContentEvent charAt(true, eQueryCharacterAtPoint, mWidget);
+ NSPoint ptInWindow = nsCocoaUtils::ConvertPointFromScreen(mainWindow, aPoint);
+ NSPoint ptInView = [mView convertPoint:ptInWindow fromView:nil];
+ charAt.mRefPoint.x =
+ static_cast<int32_t>(ptInView.x) * mWidget->BackingScaleFactor();
+ charAt.mRefPoint.y =
+ static_cast<int32_t>(ptInView.y) * mWidget->BackingScaleFactor();
+ mWidget->DispatchWindowEvent(charAt);
+ if (!charAt.mSucceeded ||
+ charAt.mReply.mOffset == WidgetQueryContentEvent::NOT_FOUND ||
+ charAt.mReply.mOffset >= static_cast<uint32_t>(NSNotFound)) {
+ return NSNotFound;
+ }
+
+ return charAt.mReply.mOffset;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSNotFound);
+}
+
+extern "C" {
+extern NSString *NSTextInputReplacementRangeAttributeName;
+}
+
+NSArray*
+IMEInputHandler::GetValidAttributesForMarkedText()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::GetValidAttributesForMarkedText", this));
+
+ // Return same attributes as Chromium (see render_widget_host_view_mac.mm)
+ // because most IMEs must be tested with Safari (OS default) and Chrome
+ // (having most market share). Therefore, we need to follow their behavior.
+ // XXX It might be better to reuse an array instance for this result because
+ // this may be called a lot. Note that Chromium does so.
+ return [NSArray arrayWithObjects:NSUnderlineStyleAttributeName,
+ NSUnderlineColorAttributeName,
+ NSMarkedClauseSegmentAttributeName,
+ NSTextInputReplacementRangeAttributeName,
+ nil];
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
+}
+
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * IMEInputHandler implementation #2
+ *
+ ******************************************************************************/
+
+IMEInputHandler::IMEInputHandler(nsChildView* aWidget,
+ NSView<mozView> *aNativeView)
+ : TextInputHandlerBase(aWidget, aNativeView)
+ , mPendingMethods(0)
+ , mIMECompositionString(nullptr)
+ , mIMECompositionStart(UINT32_MAX)
+ , mIsIMEComposing(false)
+ , mIsIMEEnabled(true)
+ , mIsASCIICapableOnly(false)
+ , mIgnoreIMECommit(false)
+ , mIsInFocusProcessing(false)
+ , mIMEHasFocus(false)
+{
+ InitStaticMembers();
+
+ mMarkedRange.location = NSNotFound;
+ mMarkedRange.length = 0;
+ mSelectedRange.location = NSNotFound;
+ mSelectedRange.length = 0;
+}
+
+IMEInputHandler::~IMEInputHandler()
+{
+ if (mTimer) {
+ mTimer->Cancel();
+ mTimer = nullptr;
+ }
+ if (sFocusedIMEHandler == this) {
+ sFocusedIMEHandler = nullptr;
+ }
+ if (mIMECompositionString) {
+ [mIMECompositionString release];
+ mIMECompositionString = nullptr;
+ }
+}
+
+void
+IMEInputHandler::OnFocusChangeInGecko(bool aFocus)
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::OnFocusChangeInGecko, aFocus=%s, Destroyed()=%s, "
+ "sFocusedIMEHandler=%p",
+ this, TrueOrFalse(aFocus), TrueOrFalse(Destroyed()), sFocusedIMEHandler));
+
+ mSelectedRange.location = NSNotFound; // Marking dirty
+ mIMEHasFocus = aFocus;
+
+ // This is called when the native focus is changed and when the native focus
+ // isn't changed but the focus is changed in Gecko.
+ if (!aFocus) {
+ if (sFocusedIMEHandler == this)
+ sFocusedIMEHandler = nullptr;
+ return;
+ }
+
+ sFocusedIMEHandler = this;
+ mIsInFocusProcessing = true;
+
+ // We need to notify IME of focus change in Gecko as native focus change
+ // because the window level of the focused element in Gecko may be changed.
+ mPendingMethods |= kNotifyIMEOfFocusChangeInGecko;
+ ResetTimer();
+}
+
+bool
+IMEInputHandler::OnDestroyWidget(nsChildView* aDestroyingWidget)
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::OnDestroyWidget, aDestroyingWidget=%p, "
+ "sFocusedIMEHandler=%p, IsIMEComposing()=%s",
+ this, aDestroyingWidget, sFocusedIMEHandler,
+ TrueOrFalse(IsIMEComposing())));
+
+ // If we're not focused, the focused IMEInputHandler may have been
+ // created by another widget/nsChildView.
+ if (sFocusedIMEHandler && sFocusedIMEHandler != this) {
+ sFocusedIMEHandler->OnDestroyWidget(aDestroyingWidget);
+ }
+
+ if (!TextInputHandlerBase::OnDestroyWidget(aDestroyingWidget)) {
+ return false;
+ }
+
+ if (IsIMEComposing()) {
+ // If our view is in the composition, we should clean up it.
+ CancelIMEComposition();
+ }
+
+ mSelectedRange.location = NSNotFound; // Marking dirty
+ mIMEHasFocus = false;
+
+ return true;
+}
+
+void
+IMEInputHandler::SendCommittedText(NSString *aString)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SendCommittedText, mView=%p, mWidget=%p, "
+ "inputContext=%p, mIsIMEComposing=%s",
+ this, mView, mWidget, mView ? [mView inputContext] : nullptr,
+ TrueOrFalse(mIsIMEComposing), mWidget));
+
+ NS_ENSURE_TRUE(mWidget, );
+ // XXX We should send the string without mView.
+ if (!mView) {
+ return;
+ }
+
+ NSAttributedString* attrStr =
+ [[NSAttributedString alloc] initWithString:aString];
+ if ([mView conformsToProtocol:@protocol(NSTextInputClient)]) {
+ NSObject<NSTextInputClient>* textInputClient =
+ static_cast<NSObject<NSTextInputClient>*>(mView);
+ [textInputClient insertText:attrStr
+ replacementRange:NSMakeRange(NSNotFound, 0)];
+ }
+
+ // Last resort. If we cannot retrieve NSTextInputProtocol from mView
+ // or blocking to call our InsertText(), we should call InsertText()
+ // directly to commit composition forcibly.
+ if (mIsIMEComposing) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::SendCommittedText, trying to insert text directly "
+ "due to IME not calling our InsertText()", this));
+ static_cast<TextInputHandler*>(this)->InsertText(attrStr);
+ MOZ_ASSERT(!mIsIMEComposing);
+ }
+
+ [attrStr release];
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+IMEInputHandler::KillIMEComposition()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::KillIMEComposition, mView=%p, mWidget=%p, "
+ "inputContext=%p, mIsIMEComposing=%s, "
+ "Destroyed()=%s, IsFocused()=%s",
+ this, mView, mWidget, mView ? [mView inputContext] : nullptr,
+ TrueOrFalse(mIsIMEComposing), TrueOrFalse(Destroyed()),
+ TrueOrFalse(IsFocused())));
+
+ if (Destroyed()) {
+ return;
+ }
+
+ if (IsFocused()) {
+ NS_ENSURE_TRUE_VOID(mView);
+ NSTextInputContext* inputContext = [mView inputContext];
+ NS_ENSURE_TRUE_VOID(inputContext);
+ [inputContext discardMarkedText];
+ return;
+ }
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::KillIMEComposition, Pending...", this));
+
+ // Commit the composition internally.
+ SendCommittedText(mIMECompositionString);
+ NS_ASSERTION(!mIsIMEComposing, "We're still in a composition");
+ // The pending method will be fired by the next focus event.
+ mPendingMethods |= kDiscardIMEComposition;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+IMEInputHandler::CommitIMEComposition()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ if (!IsIMEComposing())
+ return;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::CommitIMEComposition, mIMECompositionString=%s",
+ this, GetCharacters(mIMECompositionString)));
+
+ KillIMEComposition();
+
+ if (!IsIMEComposing())
+ return;
+
+ // If the composition is still there, KillIMEComposition only kills the
+ // composition in TSM. We also need to finish the our composition too.
+ SendCommittedText(mIMECompositionString);
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+IMEInputHandler::CancelIMEComposition()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ if (!IsIMEComposing())
+ return;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::CancelIMEComposition, mIMECompositionString=%s",
+ this, GetCharacters(mIMECompositionString)));
+
+ // For canceling the current composing, we need to ignore the param of
+ // insertText. But this code is ugly...
+ mIgnoreIMECommit = true;
+ KillIMEComposition();
+ mIgnoreIMECommit = false;
+
+ if (!IsIMEComposing())
+ return;
+
+ // If the composition is still there, KillIMEComposition only kills the
+ // composition in TSM. We also need to kill the our composition too.
+ SendCommittedText(@"");
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+bool
+IMEInputHandler::IsFocused()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ NS_ENSURE_TRUE(!Destroyed(), false);
+ NSWindow* window = [mView window];
+ NS_ENSURE_TRUE(window, false);
+ return [window firstResponder] == mView &&
+ [window isKeyWindow] &&
+ [[NSApplication sharedApplication] isActive];
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
+}
+
+bool
+IMEInputHandler::IsIMEOpened()
+{
+ TISInputSourceWrapper tis;
+ tis.InitByCurrentInputSource();
+ return tis.IsOpenedIMEMode();
+}
+
+void
+IMEInputHandler::SetASCIICapableOnly(bool aASCIICapableOnly)
+{
+ if (aASCIICapableOnly == mIsASCIICapableOnly)
+ return;
+
+ CommitIMEComposition();
+ mIsASCIICapableOnly = aASCIICapableOnly;
+ SyncASCIICapableOnly();
+}
+
+void
+IMEInputHandler::EnableIME(bool aEnableIME)
+{
+ if (aEnableIME == mIsIMEEnabled)
+ return;
+
+ CommitIMEComposition();
+ mIsIMEEnabled = aEnableIME;
+}
+
+void
+IMEInputHandler::SetIMEOpenState(bool aOpenIME)
+{
+ if (!IsFocused() || IsIMEOpened() == aOpenIME)
+ return;
+
+ if (!aOpenIME) {
+ TISInputSourceWrapper tis;
+ tis.InitByCurrentASCIICapableInputSource();
+ tis.Select();
+ return;
+ }
+
+ // If we know the latest IME opened mode, we should select it.
+ if (sLatestIMEOpenedModeInputSourceID) {
+ TISInputSourceWrapper tis;
+ tis.InitByInputSourceID(sLatestIMEOpenedModeInputSourceID);
+ tis.Select();
+ return;
+ }
+
+ // XXX If the current input source is a mode of IME, we should turn on it,
+ // but we haven't found such way...
+
+ // Finally, we should refer the system locale but this is a little expensive,
+ // we shouldn't retry this (if it was succeeded, we already set
+ // sLatestIMEOpenedModeInputSourceID at that time).
+ static bool sIsPrefferredIMESearched = false;
+ if (sIsPrefferredIMESearched)
+ return;
+ sIsPrefferredIMESearched = true;
+ OpenSystemPreferredLanguageIME();
+}
+
+void
+IMEInputHandler::OpenSystemPreferredLanguageIME()
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::OpenSystemPreferredLanguageIME", this));
+
+ CFArrayRef langList = ::CFLocaleCopyPreferredLanguages();
+ if (!langList) {
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::OpenSystemPreferredLanguageIME, langList is NULL",
+ this));
+ return;
+ }
+ CFIndex count = ::CFArrayGetCount(langList);
+ for (CFIndex i = 0; i < count; i++) {
+ CFLocaleRef locale =
+ ::CFLocaleCreate(kCFAllocatorDefault,
+ static_cast<CFStringRef>(::CFArrayGetValueAtIndex(langList, i)));
+ if (!locale) {
+ continue;
+ }
+
+ bool changed = false;
+ CFStringRef lang = static_cast<CFStringRef>(
+ ::CFLocaleGetValue(locale, kCFLocaleLanguageCode));
+ NS_ASSERTION(lang, "lang is null");
+ if (lang) {
+ TISInputSourceWrapper tis;
+ tis.InitByLanguage(lang);
+ if (tis.IsOpenedIMEMode()) {
+ if (MOZ_LOG_TEST(gLog, LogLevel::Info)) {
+ CFStringRef foundTIS;
+ tis.GetInputSourceID(foundTIS);
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::OpenSystemPreferredLanguageIME, "
+ "foundTIS=%s, lang=%s",
+ this, GetCharacters(foundTIS), GetCharacters(lang)));
+ }
+ tis.Select();
+ changed = true;
+ }
+ }
+ ::CFRelease(locale);
+ if (changed) {
+ break;
+ }
+ }
+ ::CFRelease(langList);
+}
+
+void
+IMEInputHandler::OnSelectionChange(const IMENotification& aIMENotification)
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p IMEInputHandler::OnSelectionChange", this));
+
+ if (aIMENotification.mSelectionChangeData.mOffset == UINT32_MAX) {
+ mSelectedRange.location = NSNotFound;
+ mSelectedRange.length = 0;
+ mRangeForWritingMode.location = NSNotFound;
+ mRangeForWritingMode.length = 0;
+ return;
+ }
+
+ mWritingMode = aIMENotification.mSelectionChangeData.GetWritingMode();
+ mRangeForWritingMode =
+ NSMakeRange(aIMENotification.mSelectionChangeData.mOffset,
+ aIMENotification.mSelectionChangeData.Length());
+ if (mIMEHasFocus) {
+ mSelectedRange = mRangeForWritingMode;
+ }
+}
+
+bool
+IMEInputHandler::OnHandleEvent(NSEvent* aEvent)
+{
+ if (!IsFocused()) {
+ return false;
+ }
+ NSTextInputContext* inputContext = [mView inputContext];
+ return [inputContext handleEvent:aEvent];
+}
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * TextInputHandlerBase implementation
+ *
+ ******************************************************************************/
+
+int32_t TextInputHandlerBase::sSecureEventInputCount = 0;
+
+NS_IMPL_ISUPPORTS(TextInputHandlerBase,
+ TextEventDispatcherListener,
+ nsISupportsWeakReference)
+
+TextInputHandlerBase::TextInputHandlerBase(nsChildView* aWidget,
+ NSView<mozView> *aNativeView)
+ : mWidget(aWidget)
+ , mDispatcher(aWidget->GetTextEventDispatcher())
+{
+ gHandlerInstanceCount++;
+ mView = [aNativeView retain];
+}
+
+TextInputHandlerBase::~TextInputHandlerBase()
+{
+ [mView release];
+ if (--gHandlerInstanceCount == 0) {
+ TISInputSourceWrapper::Shutdown();
+ }
+}
+
+bool
+TextInputHandlerBase::OnDestroyWidget(nsChildView* aDestroyingWidget)
+{
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandlerBase::OnDestroyWidget, "
+ "aDestroyingWidget=%p, mWidget=%p",
+ this, aDestroyingWidget, mWidget));
+
+ if (aDestroyingWidget != mWidget) {
+ return false;
+ }
+
+ mWidget = nullptr;
+ mDispatcher = nullptr;
+ return true;
+}
+
+bool
+TextInputHandlerBase::DispatchEvent(WidgetGUIEvent& aEvent)
+{
+ return mWidget->DispatchWindowEvent(aEvent);
+}
+
+void
+TextInputHandlerBase::InitKeyEvent(NSEvent *aNativeKeyEvent,
+ WidgetKeyboardEvent& aKeyEvent,
+ const nsAString* aInsertString)
+{
+ NS_ASSERTION(aNativeKeyEvent, "aNativeKeyEvent must not be NULL");
+
+ if (mKeyboardOverride.mOverrideEnabled) {
+ TISInputSourceWrapper tis;
+ tis.InitByLayoutID(mKeyboardOverride.mKeyboardLayout, true);
+ tis.InitKeyEvent(aNativeKeyEvent, aKeyEvent, aInsertString);
+ return;
+ }
+ TISInputSourceWrapper::CurrentInputSource().
+ InitKeyEvent(aNativeKeyEvent, aKeyEvent, aInsertString);
+}
+
+nsresult
+TextInputHandlerBase::SynthesizeNativeKeyEvent(
+ int32_t aNativeKeyboardLayout,
+ int32_t aNativeKeyCode,
+ uint32_t aModifierFlags,
+ const nsAString& aCharacters,
+ const nsAString& aUnmodifiedCharacters)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
+
+ static const uint32_t sModifierFlagMap[][2] = {
+ { nsIWidget::CAPS_LOCK, NSAlphaShiftKeyMask },
+ { nsIWidget::SHIFT_L, NSShiftKeyMask | 0x0002 },
+ { nsIWidget::SHIFT_R, NSShiftKeyMask | 0x0004 },
+ { nsIWidget::CTRL_L, NSControlKeyMask | 0x0001 },
+ { nsIWidget::CTRL_R, NSControlKeyMask | 0x2000 },
+ { nsIWidget::ALT_L, NSAlternateKeyMask | 0x0020 },
+ { nsIWidget::ALT_R, NSAlternateKeyMask | 0x0040 },
+ { nsIWidget::COMMAND_L, NSCommandKeyMask | 0x0008 },
+ { nsIWidget::COMMAND_R, NSCommandKeyMask | 0x0010 },
+ { nsIWidget::NUMERIC_KEY_PAD, NSNumericPadKeyMask },
+ { nsIWidget::HELP, NSHelpKeyMask },
+ { nsIWidget::FUNCTION, NSFunctionKeyMask }
+ };
+
+ uint32_t modifierFlags = 0;
+ for (uint32_t i = 0; i < ArrayLength(sModifierFlagMap); ++i) {
+ if (aModifierFlags & sModifierFlagMap[i][0]) {
+ modifierFlags |= sModifierFlagMap[i][1];
+ }
+ }
+
+ NSInteger windowNumber = [[mView window] windowNumber];
+ bool sendFlagsChangedEvent = IsModifierKey(aNativeKeyCode);
+ NSEventType eventType = sendFlagsChangedEvent ? NSFlagsChanged : NSKeyDown;
+ NSEvent* downEvent =
+ [NSEvent keyEventWithType:eventType
+ location:NSMakePoint(0,0)
+ modifierFlags:modifierFlags
+ timestamp:0
+ windowNumber:windowNumber
+ context:[NSGraphicsContext currentContext]
+ characters:nsCocoaUtils::ToNSString(aCharacters)
+ charactersIgnoringModifiers:nsCocoaUtils::ToNSString(aUnmodifiedCharacters)
+ isARepeat:NO
+ keyCode:aNativeKeyCode];
+
+ NSEvent* upEvent = sendFlagsChangedEvent ?
+ nil : nsCocoaUtils::MakeNewCocoaEventWithType(NSKeyUp, downEvent);
+
+ if (downEvent && (sendFlagsChangedEvent || upEvent)) {
+ KeyboardLayoutOverride currentLayout = mKeyboardOverride;
+ mKeyboardOverride.mKeyboardLayout = aNativeKeyboardLayout;
+ mKeyboardOverride.mOverrideEnabled = true;
+ [NSApp sendEvent:downEvent];
+ if (upEvent) {
+ [NSApp sendEvent:upEvent];
+ }
+ // processKeyDownEvent and keyUp block exceptions so we're sure to
+ // reach here to restore mKeyboardOverride
+ mKeyboardOverride = currentLayout;
+ }
+
+ return NS_OK;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
+}
+
+NSInteger
+TextInputHandlerBase::GetWindowLevel()
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandlerBase::GetWindowLevel, Destryoed()=%s",
+ this, TrueOrFalse(Destroyed())));
+
+ if (Destroyed()) {
+ return NSNormalWindowLevel;
+ }
+
+ // When an <input> element on a XUL <panel> is focused, the actual focused view
+ // is the panel's parent view (mView). But the editor is displayed on the
+ // popped-up widget's view (editorView). We want the latter's window level.
+ NSView<mozView>* editorView = mWidget->GetEditorView();
+ NS_ENSURE_TRUE(editorView, NSNormalWindowLevel);
+ NSInteger windowLevel = [[editorView window] level];
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandlerBase::GetWindowLevel, windowLevel=%s (%X)",
+ this, GetWindowLevelName(windowLevel), windowLevel));
+
+ return windowLevel;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSNormalWindowLevel);
+}
+
+NS_IMETHODIMP
+TextInputHandlerBase::AttachNativeKeyEvent(WidgetKeyboardEvent& aKeyEvent)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
+
+ // Don't try to replace a native event if one already exists.
+ // OS X doesn't have an OS modifier, can't make a native event.
+ if (aKeyEvent.mNativeKeyEvent || aKeyEvent.mModifiers & MODIFIER_OS) {
+ return NS_OK;
+ }
+
+ MOZ_LOG(gLog, LogLevel::Info,
+ ("%p TextInputHandlerBase::AttachNativeKeyEvent, key=0x%X, char=0x%X, "
+ "mod=0x%X", this, aKeyEvent.mKeyCode, aKeyEvent.mCharCode,
+ aKeyEvent.mModifiers));
+
+ NSEventType eventType;
+ if (aKeyEvent.mMessage == eKeyUp) {
+ eventType = NSKeyUp;
+ } else {
+ eventType = NSKeyDown;
+ }
+
+ static const uint32_t sModifierFlagMap[][2] = {
+ { MODIFIER_SHIFT, NSShiftKeyMask },
+ { MODIFIER_CONTROL, NSControlKeyMask },
+ { MODIFIER_ALT, NSAlternateKeyMask },
+ { MODIFIER_ALTGRAPH, NSAlternateKeyMask },
+ { MODIFIER_META, NSCommandKeyMask },
+ { MODIFIER_CAPSLOCK, NSAlphaShiftKeyMask },
+ { MODIFIER_NUMLOCK, NSNumericPadKeyMask }
+ };
+
+ NSUInteger modifierFlags = 0;
+ for (uint32_t i = 0; i < ArrayLength(sModifierFlagMap); ++i) {
+ if (aKeyEvent.mModifiers & sModifierFlagMap[i][0]) {
+ modifierFlags |= sModifierFlagMap[i][1];
+ }
+ }
+
+ NSInteger windowNumber = [[mView window] windowNumber];
+
+ NSString* characters;
+ if (aKeyEvent.mCharCode) {
+ characters = [NSString stringWithCharacters:
+ reinterpret_cast<const unichar*>(&(aKeyEvent.mCharCode)) length:1];
+ } else {
+ uint32_t cocoaCharCode =
+ nsCocoaUtils::ConvertGeckoKeyCodeToMacCharCode(aKeyEvent.mKeyCode);
+ characters = [NSString stringWithCharacters:
+ reinterpret_cast<const unichar*>(&cocoaCharCode) length:1];
+ }
+
+ aKeyEvent.mNativeKeyEvent =
+ [NSEvent keyEventWithType:eventType
+ location:NSMakePoint(0,0)
+ modifierFlags:modifierFlags
+ timestamp:0
+ windowNumber:windowNumber
+ context:[NSGraphicsContext currentContext]
+ characters:characters
+ charactersIgnoringModifiers:characters
+ isARepeat:NO
+ keyCode:0]; // Native key code not currently needed
+
+ return NS_OK;
+
+ NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
+}
+
+bool
+TextInputHandlerBase::SetSelection(NSRange& aRange)
+{
+ MOZ_ASSERT(!Destroyed());
+
+ RefPtr<TextInputHandlerBase> kungFuDeathGrip(this);
+ WidgetSelectionEvent selectionEvent(true, eSetSelection, mWidget);
+ selectionEvent.mOffset = aRange.location;
+ selectionEvent.mLength = aRange.length;
+ selectionEvent.mReversed = false;
+ selectionEvent.mExpandToClusterBoundary = false;
+ DispatchEvent(selectionEvent);
+ NS_ENSURE_TRUE(selectionEvent.mSucceeded, false);
+ return !Destroyed();
+}
+
+/* static */ bool
+TextInputHandlerBase::IsPrintableChar(char16_t aChar)
+{
+ return (aChar >= 0x20 && aChar <= 0x7E) || aChar >= 0xA0;
+}
+
+
+/* static */ bool
+TextInputHandlerBase::IsSpecialGeckoKey(UInt32 aNativeKeyCode)
+{
+ // this table is used to determine which keys are special and should not
+ // generate a charCode
+ switch (aNativeKeyCode) {
+ // modifiers - we don't get separate events for these yet
+ case kVK_Escape:
+ case kVK_Shift:
+ case kVK_RightShift:
+ case kVK_Command:
+ case kVK_RightCommand:
+ case kVK_CapsLock:
+ case kVK_Control:
+ case kVK_RightControl:
+ case kVK_Option:
+ case kVK_RightOption:
+ case kVK_ANSI_KeypadClear:
+ case kVK_Function:
+
+ // function keys
+ case kVK_F1:
+ case kVK_F2:
+ case kVK_F3:
+ case kVK_F4:
+ case kVK_F5:
+ case kVK_F6:
+ case kVK_F7:
+ case kVK_F8:
+ case kVK_F9:
+ case kVK_F10:
+ case kVK_F11:
+ case kVK_F12:
+ case kVK_PC_Pause:
+ case kVK_PC_ScrollLock:
+ case kVK_PC_PrintScreen:
+ case kVK_F16:
+ case kVK_F17:
+ case kVK_F18:
+ case kVK_F19:
+
+ case kVK_PC_Insert:
+ case kVK_PC_Delete:
+ case kVK_Tab:
+ case kVK_PC_Backspace:
+ case kVK_PC_ContextMenu:
+
+ case kVK_JIS_Eisu:
+ case kVK_JIS_Kana:
+
+ case kVK_Home:
+ case kVK_End:
+ case kVK_PageUp:
+ case kVK_PageDown:
+ case kVK_LeftArrow:
+ case kVK_RightArrow:
+ case kVK_UpArrow:
+ case kVK_DownArrow:
+ case kVK_Return:
+ case kVK_ANSI_KeypadEnter:
+ case kVK_Powerbook_KeypadEnter:
+ return true;
+ }
+ return false;
+}
+
+/* static */ bool
+TextInputHandlerBase::IsNormalCharInputtingEvent(
+ const WidgetKeyboardEvent& aKeyEvent)
+{
+ // this is not character inputting event, simply.
+ if (aKeyEvent.mNativeCharacters.IsEmpty() ||
+ aKeyEvent.IsMeta()) {
+ return false;
+ }
+ return !IsControlChar(aKeyEvent.mNativeCharacters[0]);
+}
+
+/* static */ bool
+TextInputHandlerBase::IsModifierKey(UInt32 aNativeKeyCode)
+{
+ switch (aNativeKeyCode) {
+ case kVK_CapsLock:
+ case kVK_RightCommand:
+ case kVK_Command:
+ case kVK_Shift:
+ case kVK_Option:
+ case kVK_Control:
+ case kVK_RightShift:
+ case kVK_RightOption:
+ case kVK_RightControl:
+ case kVK_Function:
+ return true;
+ }
+ return false;
+}
+
+/* static */ void
+TextInputHandlerBase::EnableSecureEventInput()
+{
+ sSecureEventInputCount++;
+ ::EnableSecureEventInput();
+}
+
+/* static */ void
+TextInputHandlerBase::DisableSecureEventInput()
+{
+ if (!sSecureEventInputCount) {
+ return;
+ }
+ sSecureEventInputCount--;
+ ::DisableSecureEventInput();
+}
+
+/* static */ bool
+TextInputHandlerBase::IsSecureEventInputEnabled()
+{
+ NS_ASSERTION(!!sSecureEventInputCount == !!::IsSecureEventInputEnabled(),
+ "Some other process has enabled secure event input");
+ return !!sSecureEventInputCount;
+}
+
+/* static */ void
+TextInputHandlerBase::EnsureSecureEventInputDisabled()
+{
+ while (sSecureEventInputCount) {
+ TextInputHandlerBase::DisableSecureEventInput();
+ }
+}
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * TextInputHandlerBase::KeyEventState implementation
+ *
+ ******************************************************************************/
+
+void
+TextInputHandlerBase::KeyEventState::InitKeyEvent(
+ TextInputHandlerBase* aHandler,
+ WidgetKeyboardEvent& aKeyEvent)
+{
+ NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+ MOZ_ASSERT(aHandler);
+ MOZ_RELEASE_ASSERT(mKeyEvent);
+
+ NSEvent* nativeEvent = mKeyEvent;
+ if (!mInsertedString.IsEmpty()) {
+ nsAutoString unhandledString;
+ GetUnhandledString(unhandledString);
+ NSString* unhandledNSString =
+ nsCocoaUtils::ToNSString(unhandledString);
+ // If the key event's some characters were already handled by
+ // InsertString() calls, we need to create a dummy event which doesn't
+ // include the handled characters.
+ nativeEvent =
+ [NSEvent keyEventWithType:[mKeyEvent type]
+ location:[mKeyEvent locationInWindow]
+ modifierFlags:[mKeyEvent modifierFlags]
+ timestamp:[mKeyEvent timestamp]
+ windowNumber:[mKeyEvent windowNumber]
+ context:[mKeyEvent context]
+ characters:unhandledNSString
+ charactersIgnoringModifiers:[mKeyEvent charactersIgnoringModifiers]
+ isARepeat:[mKeyEvent isARepeat]
+ keyCode:[mKeyEvent keyCode]];
+ }
+
+ aHandler->InitKeyEvent(nativeEvent, aKeyEvent, mInsertString);
+
+ NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
+void
+TextInputHandlerBase::KeyEventState::GetUnhandledString(
+ nsAString& aUnhandledString) const
+{
+ aUnhandledString.Truncate();
+ if (NS_WARN_IF(!mKeyEvent)) {
+ return;
+ }
+ nsAutoString characters;
+ nsCocoaUtils::GetStringForNSString([mKeyEvent characters],
+ characters);
+ if (characters.IsEmpty()) {
+ return;
+ }
+ if (mInsertedString.IsEmpty()) {
+ aUnhandledString = characters;
+ return;
+ }
+
+ // The insertes string must match with the start of characters.
+ MOZ_ASSERT(StringBeginsWith(characters, mInsertedString));
+
+ aUnhandledString = nsDependentSubstring(characters, mInsertedString.Length());
+}
+
+#pragma mark -
+
+
+/******************************************************************************
+ *
+ * TextInputHandlerBase::AutoInsertStringClearer implementation
+ *
+ ******************************************************************************/
+
+TextInputHandlerBase::AutoInsertStringClearer::~AutoInsertStringClearer()
+{
+ if (mState && mState->mInsertString) {
+ // If inserting string is a part of characters of the event,
+ // we should record it as inserted string.
+ nsAutoString characters;
+ nsCocoaUtils::GetStringForNSString([mState->mKeyEvent characters],
+ characters);
+ nsAutoString insertedString(mState->mInsertedString);
+ insertedString += *mState->mInsertString;
+ if (StringBeginsWith(characters, insertedString)) {
+ mState->mInsertedString = insertedString;
+ }
+ }
+ if (mState) {
+ mState->mInsertString = nullptr;
+ }
+}