diff options
Diffstat (limited to 'widget/cocoa/nsToolkit.mm')
| -rw-r--r-- | widget/cocoa/nsToolkit.mm | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/widget/cocoa/nsToolkit.mm b/widget/cocoa/nsToolkit.mm deleted file mode 100644 index 4d0222d5d3..0000000000 --- a/widget/cocoa/nsToolkit.mm +++ /dev/null @@ -1,326 +0,0 @@ -/* -*- 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 "nsToolkit.h" - -#include <ctype.h> -#include <stdlib.h> -#include <stdio.h> - -#include <mach/mach_port.h> -#include <mach/mach_interface.h> -#include <mach/mach_init.h> - -extern "C" { -#include <mach-o/getsect.h> -} -#include <unistd.h> -#include <dlfcn.h> - -#import <Cocoa/Cocoa.h> -#import <IOKit/pwr_mgt/IOPMLib.h> -#import <IOKit/IOMessage.h> - -#include "nsCocoaUtils.h" -#include "nsObjCExceptions.h" - -#include "nsGkAtoms.h" -#include "nsIRollupListener.h" -#include "nsIWidget.h" -#include "nsBaseWidget.h" - -#include "nsIObserverService.h" -#include "nsIServiceManager.h" - -#include "mozilla/Preferences.h" -#include "mozilla/Services.h" - -using namespace mozilla; - -static io_connect_t gRootPort = MACH_PORT_NULL; - -nsToolkit* nsToolkit::gToolkit = nullptr; - -nsToolkit::nsToolkit() -: mSleepWakeNotificationRLS(nullptr) -, mEventTapPort(nullptr) -, mEventTapRLS(nullptr) -{ - MOZ_COUNT_CTOR(nsToolkit); - RegisterForSleepWakeNotifications(); -} - -nsToolkit::~nsToolkit() -{ - MOZ_COUNT_DTOR(nsToolkit); - RemoveSleepWakeNotifications(); - UnregisterAllProcessMouseEventHandlers(); -} - -void -nsToolkit::PostSleepWakeNotification(const char* aNotification) -{ - nsCOMPtr<nsIObserverService> observerService = services::GetObserverService(); - if (observerService) - observerService->NotifyObservers(nullptr, aNotification, nullptr); -} - -// http://developer.apple.com/documentation/DeviceDrivers/Conceptual/IOKitFundamentals/PowerMgmt/chapter_10_section_3.html -static void ToolkitSleepWakeCallback(void *refCon, io_service_t service, natural_t messageType, void * messageArgument) -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK; - - switch (messageType) - { - case kIOMessageSystemWillSleep: - // System is going to sleep now. - nsToolkit::PostSleepWakeNotification(NS_WIDGET_SLEEP_OBSERVER_TOPIC); - ::IOAllowPowerChange(gRootPort, (long)messageArgument); - break; - - case kIOMessageCanSystemSleep: - // In this case, the computer has been idle for several minutes - // and will sleep soon so you must either allow or cancel - // this notification. Important: if you don’t respond, there will - // be a 30-second timeout before the computer sleeps. - // In Mozilla's case, we always allow sleep. - ::IOAllowPowerChange(gRootPort,(long)messageArgument); - break; - - case kIOMessageSystemHasPoweredOn: - // Handle wakeup. - nsToolkit::PostSleepWakeNotification(NS_WIDGET_WAKE_OBSERVER_TOPIC); - break; - } - - NS_OBJC_END_TRY_ABORT_BLOCK; -} - -nsresult -nsToolkit::RegisterForSleepWakeNotifications() -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; - - IONotificationPortRef notifyPortRef; - - NS_ASSERTION(!mSleepWakeNotificationRLS, "Already registered for sleep/wake"); - - gRootPort = ::IORegisterForSystemPower(0, ¬ifyPortRef, ToolkitSleepWakeCallback, &mPowerNotifier); - if (gRootPort == MACH_PORT_NULL) { - NS_ERROR("IORegisterForSystemPower failed"); - return NS_ERROR_FAILURE; - } - - mSleepWakeNotificationRLS = ::IONotificationPortGetRunLoopSource(notifyPortRef); - ::CFRunLoopAddSource(::CFRunLoopGetCurrent(), - mSleepWakeNotificationRLS, - kCFRunLoopDefaultMode); - - return NS_OK; - - NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; -} - -void -nsToolkit::RemoveSleepWakeNotifications() -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK; - - if (mSleepWakeNotificationRLS) { - ::IODeregisterForSystemPower(&mPowerNotifier); - ::CFRunLoopRemoveSource(::CFRunLoopGetCurrent(), - mSleepWakeNotificationRLS, - kCFRunLoopDefaultMode); - - mSleepWakeNotificationRLS = nullptr; - } - - NS_OBJC_END_TRY_ABORT_BLOCK; -} - -// Converts aPoint from the CoreGraphics "global display coordinate" system -// (which includes all displays/screens and has a top-left origin) to its -// (presumed) Cocoa counterpart (assumed to be the same as the "screen -// coordinates" system), which has a bottom-left origin. -static NSPoint ConvertCGGlobalToCocoaScreen(CGPoint aPoint) -{ - NSPoint cocoaPoint; - cocoaPoint.x = aPoint.x; - cocoaPoint.y = nsCocoaUtils::FlippedScreenY(aPoint.y); - return cocoaPoint; -} - -// Since our event tap is "listen only", events arrive here a little after -// they've already been processed. -static CGEventRef EventTapCallback(CGEventTapProxy proxy, CGEventType type, CGEventRef event, void *refcon) -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN; - - if ((type == kCGEventTapDisabledByUserInput) || - (type == kCGEventTapDisabledByTimeout)) - return event; - if ([NSApp isActive]) - return event; - - nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener(); - NS_ENSURE_TRUE(rollupListener, event); - nsCOMPtr<nsIWidget> rollupWidget = rollupListener->GetRollupWidget(); - if (!rollupWidget) - return event; - - // Don't bother with rightMouseDown events here -- because of the delay, - // we'll end up closing browser context menus that we just opened. Since - // these events usually raise a context menu, we'll handle them by hooking - // the @"com.apple.HIToolbox.beginMenuTrackingNotification" distributed - // notification (in nsAppShell.mm's AppShellDelegate). - if (type == kCGEventRightMouseDown) - return event; - NSWindow *ctxMenuWindow = (NSWindow*) rollupWidget->GetNativeData(NS_NATIVE_WINDOW); - if (!ctxMenuWindow) - return event; - NSPoint screenLocation = ConvertCGGlobalToCocoaScreen(CGEventGetLocation(event)); - // Don't roll up the rollup widget if our mouseDown happens over it (doing - // so would break the corresponding context menu). - if (NSPointInRect(screenLocation, [ctxMenuWindow frame])) - return event; - rollupListener->Rollup(0, false, nullptr, nullptr); - return event; - - NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NULL); -} - -// Cocoa Firefox's use of custom context menus requires that we explicitly -// handle mouse events from other processes that the OS handles -// "automatically" for native context menus -- mouseMoved events so that -// right-click context menus work properly when our browser doesn't have the -// focus (bmo bug 368077), and mouseDown events so that our browser can -// dismiss a context menu when a mouseDown happens in another process (bmo -// bug 339945). -void -nsToolkit::RegisterForAllProcessMouseEvents() -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK; - - if (getenv("MOZ_DEBUG")) - return; - - // Don't do this for apps that use native context menus. -#ifdef MOZ_USE_NATIVE_POPUP_WINDOWS - return; -#endif /* MOZ_USE_NATIVE_POPUP_WINDOWS */ - - if (!mEventTapRLS) { - // Using an event tap for mouseDown events (instead of installing a - // handler for them on the EventMonitor target) works around an Apple - // bug that causes OS menus (like the Clock menu) not to work properly - // on OS X 10.4.X and below (bmo bug 381448). - // We install our event tap "listen only" to get around yet another Apple - // bug -- when we install it as an event filter on any kind of mouseDown - // event, that kind of event stops working in the main menu, and usually - // mouse event processing stops working in all apps in the current login - // session (so the entire OS appears to be hung)! The downside of - // installing listen-only is that events arrive at our handler slightly - // after they've already been processed. - mEventTapPort = CGEventTapCreate(kCGSessionEventTap, - kCGHeadInsertEventTap, - kCGEventTapOptionListenOnly, - CGEventMaskBit(kCGEventLeftMouseDown) - | CGEventMaskBit(kCGEventRightMouseDown) - | CGEventMaskBit(kCGEventOtherMouseDown), - EventTapCallback, - nullptr); - if (!mEventTapPort) - return; - mEventTapRLS = CFMachPortCreateRunLoopSource(nullptr, mEventTapPort, 0); - if (!mEventTapRLS) { - CFRelease(mEventTapPort); - mEventTapPort = nullptr; - return; - } - CFRunLoopAddSource(CFRunLoopGetCurrent(), mEventTapRLS, kCFRunLoopDefaultMode); - } - - NS_OBJC_END_TRY_ABORT_BLOCK; -} - -void -nsToolkit::UnregisterAllProcessMouseEventHandlers() -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK; - - if (mEventTapRLS) { - CFRunLoopRemoveSource(CFRunLoopGetCurrent(), mEventTapRLS, - kCFRunLoopDefaultMode); - CFRelease(mEventTapRLS); - mEventTapRLS = nullptr; - } - if (mEventTapPort) { - // mEventTapPort must be invalidated as well as released. Otherwise the - // event tap doesn't get destroyed until the browser process ends (it - // keeps showing up in the list returned by CGGetEventTapList()). - CFMachPortInvalidate(mEventTapPort); - CFRelease(mEventTapPort); - mEventTapPort = nullptr; - } - - NS_OBJC_END_TRY_ABORT_BLOCK; -} - -// Return the nsToolkit instance. If a toolkit does not yet exist, then one -// will be created. -// static -nsToolkit* nsToolkit::GetToolkit() -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN; - - if (!gToolkit) { - gToolkit = new nsToolkit(); - } - - return gToolkit; - - NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(nullptr); -} - -// An alternative to [NSObject poseAsClass:] that isn't deprecated on OS X -// Leopard and is available to 64-bit binaries on Leopard and above. Based on -// ideas and code from http://www.cocoadev.com/index.pl?MethodSwizzling. -// Since the Method type becomes an opaque type as of Objective-C 2.0, we'll -// have to switch to using accessor methods like method_exchangeImplementations() -// when we build 64-bit binaries that use Objective-C 2.0 (on and for Leopard -// and above). -// -// Be aware that, if aClass doesn't have an orgMethod selector but one of its -// superclasses does, the method substitution will (in effect) take place in -// that superclass (rather than in aClass itself). The substitution has -// effect on the class where it takes place and all of that class's -// subclasses. In order for method swizzling to work properly, posedMethod -// needs to be unique in the class where the substitution takes place and all -// of its subclasses. -nsresult nsToolkit::SwizzleMethods(Class aClass, SEL orgMethod, SEL posedMethod, - bool classMethods) -{ - NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; - - Method original = nil; - Method posed = nil; - - if (classMethods) { - original = class_getClassMethod(aClass, orgMethod); - posed = class_getClassMethod(aClass, posedMethod); - } else { - original = class_getInstanceMethod(aClass, orgMethod); - posed = class_getInstanceMethod(aClass, posedMethod); - } - - if (!original || !posed) - return NS_ERROR_FAILURE; - - method_exchangeImplementations(original, posed); - - return NS_OK; - - NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; -} |