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-rw-r--r--dom/plugins/ipc/PluginModuleChild.cpp2543
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diff --git a/dom/plugins/ipc/PluginModuleChild.cpp b/dom/plugins/ipc/PluginModuleChild.cpp
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+++ b/dom/plugins/ipc/PluginModuleChild.cpp
@@ -0,0 +1,2543 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 "mozilla/plugins/PluginModuleChild.h"
+
+/* This must occur *after* plugins/PluginModuleChild.h to avoid typedefs conflicts. */
+#include "mozilla/ArrayUtils.h"
+
+#include "mozilla/ipc/MessageChannel.h"
+
+#ifdef MOZ_WIDGET_GTK
+#include <gtk/gtk.h>
+#endif
+
+#include "nsIFile.h"
+
+#include "pratom.h"
+#include "nsDebug.h"
+#include "nsCOMPtr.h"
+#include "nsPluginsDir.h"
+#include "nsXULAppAPI.h"
+
+#ifdef MOZ_X11
+# include "nsX11ErrorHandler.h"
+# include "mozilla/X11Util.h"
+#endif
+#include "mozilla/ipc/ProcessChild.h"
+#include "mozilla/plugins/PluginInstanceChild.h"
+#include "mozilla/plugins/StreamNotifyChild.h"
+#include "mozilla/plugins/BrowserStreamChild.h"
+#include "mozilla/plugins/PluginStreamChild.h"
+#include "mozilla/Sprintf.h"
+#include "mozilla/Unused.h"
+
+#include "nsNPAPIPlugin.h"
+
+#ifdef XP_WIN
+#include "nsWindowsDllInterceptor.h"
+#include "mozilla/widget/AudioSession.h"
+#include <knownfolders.h>
+#include <shlobj.h>
+#endif
+
+#include "GeckoProfiler.h"
+
+using namespace mozilla;
+using namespace mozilla::ipc;
+using namespace mozilla::plugins;
+using namespace mozilla::widget;
+
+#if defined(XP_WIN)
+const wchar_t * kFlashFullscreenClass = L"ShockwaveFlashFullScreen";
+const wchar_t * kMozillaWindowClass = L"MozillaWindowClass";
+#endif
+
+namespace {
+// see PluginModuleChild::GetChrome()
+PluginModuleChild* gChromeInstance = nullptr;
+} // namespace
+
+#ifdef XP_WIN
+// Hooking CreateFileW for protected-mode magic
+static WindowsDllInterceptor sKernel32Intercept;
+typedef HANDLE (WINAPI *CreateFileWPtr)(LPCWSTR fname, DWORD access,
+ DWORD share,
+ LPSECURITY_ATTRIBUTES security,
+ DWORD creation, DWORD flags,
+ HANDLE ftemplate);
+static CreateFileWPtr sCreateFileWStub = nullptr;
+typedef HANDLE (WINAPI *CreateFileAPtr)(LPCSTR fname, DWORD access,
+ DWORD share,
+ LPSECURITY_ATTRIBUTES security,
+ DWORD creation, DWORD flags,
+ HANDLE ftemplate);
+static CreateFileAPtr sCreateFileAStub = nullptr;
+
+// Used with fix for flash fullscreen window loosing focus.
+static bool gDelayFlashFocusReplyUntilEval = false;
+// Used to fix GetWindowInfo problems with internal flash settings dialogs
+static WindowsDllInterceptor sUser32Intercept;
+typedef BOOL (WINAPI *GetWindowInfoPtr)(HWND hwnd, PWINDOWINFO pwi);
+static GetWindowInfoPtr sGetWindowInfoPtrStub = nullptr;
+static HWND sBrowserHwnd = nullptr;
+// sandbox process doesn't get current key states. So we need get it on chrome.
+typedef SHORT (WINAPI *GetKeyStatePtr)(int);
+static GetKeyStatePtr sGetKeyStatePtrStub = nullptr;
+#endif
+
+/* static */
+PluginModuleChild*
+PluginModuleChild::CreateForContentProcess(mozilla::ipc::Transport* aTransport,
+ base::ProcessId aOtherPid)
+{
+ PluginModuleChild* child = new PluginModuleChild(false);
+
+ if (!child->InitForContent(aOtherPid, XRE_GetIOMessageLoop(), aTransport)) {
+ return nullptr;
+ }
+
+ return child;
+}
+
+PluginModuleChild::PluginModuleChild(bool aIsChrome)
+ : mLibrary(0)
+ , mPluginFilename("")
+ , mQuirks(QUIRKS_NOT_INITIALIZED)
+ , mIsChrome(aIsChrome)
+ , mHasShutdown(false)
+ , mTransport(nullptr)
+ , mShutdownFunc(0)
+ , mInitializeFunc(0)
+#if defined(OS_WIN) || defined(OS_MACOSX)
+ , mGetEntryPointsFunc(0)
+#elif defined(MOZ_WIDGET_GTK)
+ , mNestedLoopTimerId(0)
+#endif
+#ifdef OS_WIN
+ , mNestedEventHook(nullptr)
+ , mGlobalCallWndProcHook(nullptr)
+ , mAsyncRenderSupport(false)
+#endif
+{
+ memset(&mFunctions, 0, sizeof(mFunctions));
+ if (mIsChrome) {
+ MOZ_ASSERT(!gChromeInstance);
+ gChromeInstance = this;
+ }
+}
+
+PluginModuleChild::~PluginModuleChild()
+{
+ if (mIsChrome) {
+ MOZ_ASSERT(gChromeInstance == this);
+
+ // We don't unload the plugin library in case it uses atexit handlers or
+ // other similar hooks.
+
+ DeinitGraphics();
+ PluginScriptableObjectChild::ClearIdentifiers();
+
+ gChromeInstance = nullptr;
+ }
+}
+
+// static
+PluginModuleChild*
+PluginModuleChild::GetChrome()
+{
+ // A special PluginModuleChild instance that talks to the chrome process
+ // during startup and shutdown. Synchronous messages to or from this actor
+ // should be avoided because they may lead to hangs.
+ MOZ_ASSERT(gChromeInstance);
+ return gChromeInstance;
+}
+
+bool
+PluginModuleChild::CommonInit(base::ProcessId aParentPid,
+ MessageLoop* aIOLoop,
+ IPC::Channel* aChannel)
+{
+ PLUGIN_LOG_DEBUG_METHOD;
+
+ // Request Windows message deferral behavior on our channel. This
+ // applies to the top level and all sub plugin protocols since they
+ // all share the same channel.
+ // Bug 1090573 - Don't do this for connections to content processes.
+ GetIPCChannel()->SetChannelFlags(MessageChannel::REQUIRE_DEFERRED_MESSAGE_PROTECTION);
+
+ if (!Open(aChannel, aParentPid, aIOLoop)) {
+ return false;
+ }
+
+ memset((void*) &mFunctions, 0, sizeof(mFunctions));
+ mFunctions.size = sizeof(mFunctions);
+ mFunctions.version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
+
+ return true;
+}
+
+bool
+PluginModuleChild::InitForContent(base::ProcessId aParentPid,
+ MessageLoop* aIOLoop,
+ IPC::Channel* aChannel)
+{
+ if (!CommonInit(aParentPid, aIOLoop, aChannel)) {
+ return false;
+ }
+
+ mTransport = aChannel;
+
+ mLibrary = GetChrome()->mLibrary;
+ mFunctions = GetChrome()->mFunctions;
+
+ return true;
+}
+
+bool
+PluginModuleChild::RecvDisableFlashProtectedMode()
+{
+ MOZ_ASSERT(mIsChrome);
+#ifdef XP_WIN
+ HookProtectedMode();
+#else
+ MOZ_ASSERT(false, "Should not be called");
+#endif
+ return true;
+}
+
+bool
+PluginModuleChild::InitForChrome(const std::string& aPluginFilename,
+ base::ProcessId aParentPid,
+ MessageLoop* aIOLoop,
+ IPC::Channel* aChannel)
+{
+ NS_ASSERTION(aChannel, "need a channel");
+
+ if (!InitGraphics())
+ return false;
+
+ mPluginFilename = aPluginFilename.c_str();
+ nsCOMPtr<nsIFile> localFile;
+ NS_NewLocalFile(NS_ConvertUTF8toUTF16(mPluginFilename),
+ true,
+ getter_AddRefs(localFile));
+
+ if (!localFile)
+ return false;
+
+ bool exists;
+ localFile->Exists(&exists);
+ NS_ASSERTION(exists, "plugin file ain't there");
+
+ nsPluginFile pluginFile(localFile);
+
+ nsPluginInfo info = nsPluginInfo();
+ if (NS_FAILED(pluginFile.GetPluginInfo(info, &mLibrary))) {
+ return false;
+ }
+
+#if defined(XP_WIN)
+ // XXX quirks isn't initialized yet
+ mAsyncRenderSupport = info.fSupportsAsyncRender;
+#endif
+#if defined(MOZ_X11)
+ NS_NAMED_LITERAL_CSTRING(flash10Head, "Shockwave Flash 10.");
+ if (StringBeginsWith(nsDependentCString(info.fDescription), flash10Head)) {
+ AddQuirk(QUIRK_FLASH_EXPOSE_COORD_TRANSLATION);
+ }
+#endif
+ pluginFile.FreePluginInfo(info);
+#if defined(MOZ_X11)
+ if (!mLibrary)
+#endif
+ {
+ nsresult rv = pluginFile.LoadPlugin(&mLibrary);
+ if (NS_FAILED(rv))
+ return false;
+ }
+ NS_ASSERTION(mLibrary, "couldn't open shared object");
+
+ if (!CommonInit(aParentPid, aIOLoop, aChannel)) {
+ return false;
+ }
+
+ GetIPCChannel()->SetAbortOnError(true);
+
+ // TODO: use PluginPRLibrary here
+
+#if defined(OS_LINUX) || defined(OS_BSD) || defined(OS_SOLARIS)
+ mShutdownFunc =
+ (NP_PLUGINSHUTDOWN) PR_FindFunctionSymbol(mLibrary, "NP_Shutdown");
+
+ // create the new plugin handler
+
+ mInitializeFunc =
+ (NP_PLUGINUNIXINIT) PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
+ NS_ASSERTION(mInitializeFunc, "couldn't find NP_Initialize()");
+
+#elif defined(OS_WIN) || defined(OS_MACOSX)
+ mShutdownFunc =
+ (NP_PLUGINSHUTDOWN)PR_FindFunctionSymbol(mLibrary, "NP_Shutdown");
+
+ mGetEntryPointsFunc =
+ (NP_GETENTRYPOINTS)PR_FindSymbol(mLibrary, "NP_GetEntryPoints");
+ NS_ENSURE_TRUE(mGetEntryPointsFunc, false);
+
+ mInitializeFunc =
+ (NP_PLUGININIT)PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
+ NS_ENSURE_TRUE(mInitializeFunc, false);
+#else
+
+# error Please copy the initialization code from nsNPAPIPlugin.cpp
+
+#endif
+
+ return true;
+}
+
+#if defined(MOZ_WIDGET_GTK)
+
+typedef void (*GObjectDisposeFn)(GObject*);
+typedef gboolean (*GtkWidgetScrollEventFn)(GtkWidget*, GdkEventScroll*);
+typedef void (*GtkPlugEmbeddedFn)(GtkPlug*);
+
+static GObjectDisposeFn real_gtk_plug_dispose;
+static GtkPlugEmbeddedFn real_gtk_plug_embedded;
+
+static void
+undo_bogus_unref(gpointer data, GObject* object, gboolean is_last_ref) {
+ if (!is_last_ref) // recursion in g_object_ref
+ return;
+
+ g_object_ref(object);
+}
+
+static void
+wrap_gtk_plug_dispose(GObject* object) {
+ // Work around Flash Player bug described in bug 538914.
+ //
+ // This function is called during gtk_widget_destroy and/or before
+ // the object's last reference is removed. A reference to the
+ // object is held during the call so the ref count should not drop
+ // to zero. However, Flash Player tries to destroy the GtkPlug
+ // using g_object_unref instead of gtk_widget_destroy. The
+ // reference that Flash is removing actually belongs to the
+ // GtkPlug. During real_gtk_plug_dispose, the GtkPlug removes its
+ // reference.
+ //
+ // A toggle ref is added to prevent premature deletion of the object
+ // caused by Flash Player's extra unref, and to detect when there are
+ // unexpectedly no other references.
+ g_object_add_toggle_ref(object, undo_bogus_unref, nullptr);
+ (*real_gtk_plug_dispose)(object);
+ g_object_remove_toggle_ref(object, undo_bogus_unref, nullptr);
+}
+
+static gboolean
+gtk_plug_scroll_event(GtkWidget *widget, GdkEventScroll *gdk_event)
+{
+ if (!gtk_widget_is_toplevel(widget)) // in same process as its GtkSocket
+ return FALSE; // event not handled; propagate to GtkSocket
+
+ GdkWindow* socket_window = gtk_plug_get_socket_window(GTK_PLUG(widget));
+ if (!socket_window)
+ return FALSE;
+
+ // Propagate the event to the embedder.
+ GdkScreen* screen = gdk_window_get_screen(socket_window);
+ GdkWindow* plug_window = gtk_widget_get_window(widget);
+ GdkWindow* event_window = gdk_event->window;
+ gint x = gdk_event->x;
+ gint y = gdk_event->y;
+ unsigned int button;
+ unsigned int button_mask = 0;
+ XEvent xevent;
+ Display* dpy = GDK_WINDOW_XDISPLAY(socket_window);
+
+ /* Translate the event coordinates to the plug window,
+ * which should be aligned with the socket window.
+ */
+ while (event_window != plug_window)
+ {
+ gint dx, dy;
+
+ gdk_window_get_position(event_window, &dx, &dy);
+ x += dx;
+ y += dy;
+
+ event_window = gdk_window_get_parent(event_window);
+ if (!event_window)
+ return FALSE;
+ }
+
+ switch (gdk_event->direction) {
+ case GDK_SCROLL_UP:
+ button = 4;
+ button_mask = Button4Mask;
+ break;
+ case GDK_SCROLL_DOWN:
+ button = 5;
+ button_mask = Button5Mask;
+ break;
+ case GDK_SCROLL_LEFT:
+ button = 6;
+ break;
+ case GDK_SCROLL_RIGHT:
+ button = 7;
+ break;
+ default:
+ return FALSE; // unknown GdkScrollDirection
+ }
+
+ memset(&xevent, 0, sizeof(xevent));
+ xevent.xbutton.type = ButtonPress;
+ xevent.xbutton.window = gdk_x11_window_get_xid(socket_window);
+ xevent.xbutton.root = gdk_x11_window_get_xid(gdk_screen_get_root_window(screen));
+ xevent.xbutton.subwindow = gdk_x11_window_get_xid(plug_window);
+ xevent.xbutton.time = gdk_event->time;
+ xevent.xbutton.x = x;
+ xevent.xbutton.y = y;
+ xevent.xbutton.x_root = gdk_event->x_root;
+ xevent.xbutton.y_root = gdk_event->y_root;
+ xevent.xbutton.state = gdk_event->state;
+ xevent.xbutton.button = button;
+ xevent.xbutton.same_screen = True;
+
+ gdk_error_trap_push();
+
+ XSendEvent(dpy, xevent.xbutton.window,
+ True, ButtonPressMask, &xevent);
+
+ xevent.xbutton.type = ButtonRelease;
+ xevent.xbutton.state |= button_mask;
+ XSendEvent(dpy, xevent.xbutton.window,
+ True, ButtonReleaseMask, &xevent);
+
+ gdk_display_sync(gdk_screen_get_display(screen));
+ gdk_error_trap_pop();
+
+ return TRUE; // event handled
+}
+
+static void
+wrap_gtk_plug_embedded(GtkPlug* plug) {
+ GdkWindow* socket_window = gtk_plug_get_socket_window(plug);
+ if (socket_window) {
+ if (gtk_check_version(2,18,7) != nullptr // older
+ && g_object_get_data(G_OBJECT(socket_window),
+ "moz-existed-before-set-window")) {
+ // Add missing reference for
+ // https://bugzilla.gnome.org/show_bug.cgi?id=607061
+ g_object_ref(socket_window);
+ }
+
+ // Ensure the window exists to make this GtkPlug behave like an
+ // in-process GtkPlug for Flash Player. (Bugs 561308 and 539138).
+ gtk_widget_realize(GTK_WIDGET(plug));
+ }
+
+ if (*real_gtk_plug_embedded) {
+ (*real_gtk_plug_embedded)(plug);
+ }
+}
+
+//
+// The next four constants are knobs that can be tuned. They trade
+// off potential UI lag from delayed event processing with CPU time.
+//
+static const gint kNestedLoopDetectorPriority = G_PRIORITY_HIGH_IDLE;
+// 90ms so that we can hopefully break livelocks before the user
+// notices UI lag (100ms)
+static const guint kNestedLoopDetectorIntervalMs = 90;
+
+static const gint kBrowserEventPriority = G_PRIORITY_HIGH_IDLE;
+static const guint kBrowserEventIntervalMs = 10;
+
+// static
+gboolean
+PluginModuleChild::DetectNestedEventLoop(gpointer data)
+{
+ PluginModuleChild* pmc = static_cast<PluginModuleChild*>(data);
+
+ MOZ_ASSERT(0 != pmc->mNestedLoopTimerId,
+ "callback after descheduling");
+ MOZ_ASSERT(pmc->mTopLoopDepth < g_main_depth(),
+ "not canceled before returning to main event loop!");
+
+ PLUGIN_LOG_DEBUG(("Detected nested glib event loop"));
+
+ // just detected a nested loop; start a timer that will
+ // periodically rpc-call back into the browser and process some
+ // events
+ pmc->mNestedLoopTimerId =
+ g_timeout_add_full(kBrowserEventPriority,
+ kBrowserEventIntervalMs,
+ PluginModuleChild::ProcessBrowserEvents,
+ data,
+ nullptr);
+ // cancel the nested-loop detection timer
+ return FALSE;
+}
+
+// static
+gboolean
+PluginModuleChild::ProcessBrowserEvents(gpointer data)
+{
+ PluginModuleChild* pmc = static_cast<PluginModuleChild*>(data);
+
+ MOZ_ASSERT(pmc->mTopLoopDepth < g_main_depth(),
+ "not canceled before returning to main event loop!");
+
+ pmc->CallProcessSomeEvents();
+
+ return TRUE;
+}
+
+void
+PluginModuleChild::EnteredCxxStack()
+{
+ MOZ_ASSERT(0 == mNestedLoopTimerId,
+ "previous timer not descheduled");
+
+ mNestedLoopTimerId =
+ g_timeout_add_full(kNestedLoopDetectorPriority,
+ kNestedLoopDetectorIntervalMs,
+ PluginModuleChild::DetectNestedEventLoop,
+ this,
+ nullptr);
+
+#ifdef DEBUG
+ mTopLoopDepth = g_main_depth();
+#endif
+}
+
+void
+PluginModuleChild::ExitedCxxStack()
+{
+ MOZ_ASSERT(0 < mNestedLoopTimerId,
+ "nested loop timeout not scheduled");
+
+ g_source_remove(mNestedLoopTimerId);
+ mNestedLoopTimerId = 0;
+}
+
+#endif
+
+bool
+PluginModuleChild::RecvSetParentHangTimeout(const uint32_t& aSeconds)
+{
+#ifdef XP_WIN
+ SetReplyTimeoutMs(((aSeconds > 0) ? (1000 * aSeconds) : 0));
+#endif
+ return true;
+}
+
+bool
+PluginModuleChild::ShouldContinueFromReplyTimeout()
+{
+#ifdef XP_WIN
+ NS_RUNTIMEABORT("terminating child process");
+#endif
+ return true;
+}
+
+bool
+PluginModuleChild::InitGraphics()
+{
+#if defined(MOZ_WIDGET_GTK)
+ // Work around plugins that don't interact well with GDK
+ // client-side windows.
+ PR_SetEnv("GDK_NATIVE_WINDOWS=1");
+
+ gtk_init(0, 0);
+
+ // GtkPlug is a static class so will leak anyway but this ref makes sure.
+ gpointer gtk_plug_class = g_type_class_ref(GTK_TYPE_PLUG);
+
+ // The dispose method is a good place to hook into the destruction process
+ // because the reference count should be 1 the last time dispose is
+ // called. (Toggle references wouldn't detect if the reference count
+ // might be higher.)
+ GObjectDisposeFn* dispose = &G_OBJECT_CLASS(gtk_plug_class)->dispose;
+ MOZ_ASSERT(*dispose != wrap_gtk_plug_dispose,
+ "InitGraphics called twice");
+ real_gtk_plug_dispose = *dispose;
+ *dispose = wrap_gtk_plug_dispose;
+
+ // If we ever stop setting GDK_NATIVE_WINDOWS, we'll also need to
+ // gtk_widget_add_events GDK_SCROLL_MASK or GDK client-side windows will
+ // not tell us about the scroll events that it intercepts. With native
+ // windows, this is called when GDK intercepts the events; if GDK doesn't
+ // intercept the events, then the X server will instead send them directly
+ // to an ancestor (embedder) window.
+ GtkWidgetScrollEventFn* scroll_event =
+ &GTK_WIDGET_CLASS(gtk_plug_class)->scroll_event;
+ if (!*scroll_event) {
+ *scroll_event = gtk_plug_scroll_event;
+ }
+
+ GtkPlugEmbeddedFn* embedded = &GTK_PLUG_CLASS(gtk_plug_class)->embedded;
+ real_gtk_plug_embedded = *embedded;
+ *embedded = wrap_gtk_plug_embedded;
+
+#else
+ // may not be necessary on all platforms
+#endif
+#ifdef MOZ_X11
+ // Do this after initializing GDK, or GDK will install its own handler.
+ InstallX11ErrorHandler();
+#endif
+ return true;
+}
+
+void
+PluginModuleChild::DeinitGraphics()
+{
+#if defined(MOZ_X11) && defined(NS_FREE_PERMANENT_DATA)
+ // We free some data off of XDisplay close hooks, ensure they're
+ // run. Closing the display is pretty scary, so we only do it to
+ // silence leak checkers.
+ XCloseDisplay(DefaultXDisplay());
+#endif
+}
+
+NPError
+PluginModuleChild::NP_Shutdown()
+{
+ AssertPluginThread();
+ MOZ_ASSERT(mIsChrome);
+
+ if (mHasShutdown) {
+ return NPERR_NO_ERROR;
+ }
+
+#if defined XP_WIN
+ mozilla::widget::StopAudioSession();
+#endif
+
+ // the PluginModuleParent shuts down this process after this interrupt
+ // call pops off its stack
+
+ NPError rv = mShutdownFunc ? mShutdownFunc() : NPERR_NO_ERROR;
+
+ // weakly guard against re-entry after NP_Shutdown
+ memset(&mFunctions, 0, sizeof(mFunctions));
+
+#ifdef OS_WIN
+ ResetEventHooks();
+#endif
+
+ GetIPCChannel()->SetAbortOnError(false);
+
+ mHasShutdown = true;
+
+ return rv;
+}
+
+bool
+PluginModuleChild::AnswerNP_Shutdown(NPError *rv)
+{
+ *rv = NP_Shutdown();
+ return true;
+}
+
+bool
+PluginModuleChild::AnswerOptionalFunctionsSupported(bool *aURLRedirectNotify,
+ bool *aClearSiteData,
+ bool *aGetSitesWithData)
+{
+ *aURLRedirectNotify = !!mFunctions.urlredirectnotify;
+ *aClearSiteData = !!mFunctions.clearsitedata;
+ *aGetSitesWithData = !!mFunctions.getsiteswithdata;
+ return true;
+}
+
+bool
+PluginModuleChild::RecvNPP_ClearSiteData(const nsCString& aSite,
+ const uint64_t& aFlags,
+ const uint64_t& aMaxAge,
+ const uint64_t& aCallbackId)
+{
+ NPError result =
+ mFunctions.clearsitedata(NullableStringGet(aSite), aFlags, aMaxAge);
+ SendReturnClearSiteData(result, aCallbackId);
+ return true;
+}
+
+bool
+PluginModuleChild::RecvNPP_GetSitesWithData(const uint64_t& aCallbackId)
+{
+ char** result = mFunctions.getsiteswithdata();
+ InfallibleTArray<nsCString> array;
+ if (!result) {
+ SendReturnSitesWithData(array, aCallbackId);
+ return true;
+ }
+ char** iterator = result;
+ while (*iterator) {
+ array.AppendElement(*iterator);
+ free(*iterator);
+ ++iterator;
+ }
+ SendReturnSitesWithData(array, aCallbackId);
+ free(result);
+ return true;
+}
+
+bool
+PluginModuleChild::RecvSetAudioSessionData(const nsID& aId,
+ const nsString& aDisplayName,
+ const nsString& aIconPath)
+{
+#if !defined XP_WIN
+ NS_RUNTIMEABORT("Not Reached!");
+ return false;
+#else
+ nsresult rv = mozilla::widget::RecvAudioSessionData(aId, aDisplayName, aIconPath);
+ NS_ENSURE_SUCCESS(rv, true); // Bail early if this fails
+
+ // Ignore failures here; we can't really do anything about them
+ mozilla::widget::StartAudioSession();
+ return true;
+#endif
+}
+
+PPluginModuleChild*
+PluginModuleChild::AllocPPluginModuleChild(mozilla::ipc::Transport* aTransport,
+ base::ProcessId aOtherPid)
+{
+ return PluginModuleChild::CreateForContentProcess(aTransport, aOtherPid);
+}
+
+void
+PluginModuleChild::ActorDestroy(ActorDestroyReason why)
+{
+ if (!mIsChrome) {
+ PluginModuleChild* chromeInstance = PluginModuleChild::GetChrome();
+ if (chromeInstance) {
+ chromeInstance->SendNotifyContentModuleDestroyed();
+ }
+
+ // Destroy ourselves once we finish other teardown activities.
+ RefPtr<DeleteTask<PluginModuleChild>> task =
+ new DeleteTask<PluginModuleChild>(this);
+ MessageLoop::current()->PostTask(task.forget());
+ return;
+ }
+
+ if (AbnormalShutdown == why) {
+ NS_WARNING("shutting down early because of crash!");
+ ProcessChild::QuickExit();
+ }
+
+ if (!mHasShutdown) {
+ MOZ_ASSERT(gChromeInstance == this);
+ NP_Shutdown();
+ }
+
+ // doesn't matter why we're being destroyed; it's up to us to
+ // initiate (clean) shutdown
+ XRE_ShutdownChildProcess();
+}
+
+void
+PluginModuleChild::CleanUp()
+{
+}
+
+const char*
+PluginModuleChild::GetUserAgent()
+{
+ return NullableStringGet(Settings().userAgent());
+}
+
+//-----------------------------------------------------------------------------
+// FIXME/cjones: just getting this out of the way for the moment ...
+
+namespace mozilla {
+namespace plugins {
+namespace child {
+
+static NPError
+_requestread(NPStream *pstream, NPByteRange *rangeList);
+
+static NPError
+_geturlnotify(NPP aNPP, const char* relativeURL, const char* target,
+ void* notifyData);
+
+static NPError
+_getvalue(NPP aNPP, NPNVariable variable, void *r_value);
+
+static NPError
+_setvalue(NPP aNPP, NPPVariable variable, void *r_value);
+
+static NPError
+_geturl(NPP aNPP, const char* relativeURL, const char* target);
+
+static NPError
+_posturlnotify(NPP aNPP, const char* relativeURL, const char *target,
+ uint32_t len, const char *buf, NPBool file, void* notifyData);
+
+static NPError
+_posturl(NPP aNPP, const char* relativeURL, const char *target, uint32_t len,
+ const char *buf, NPBool file);
+
+static NPError
+_newstream(NPP aNPP, NPMIMEType type, const char* window, NPStream** pstream);
+
+static int32_t
+_write(NPP aNPP, NPStream *pstream, int32_t len, void *buffer);
+
+static NPError
+_destroystream(NPP aNPP, NPStream *pstream, NPError reason);
+
+static void
+_status(NPP aNPP, const char *message);
+
+static void
+_memfree (void *ptr);
+
+static uint32_t
+_memflush(uint32_t size);
+
+static void
+_reloadplugins(NPBool reloadPages);
+
+static void
+_invalidaterect(NPP aNPP, NPRect *invalidRect);
+
+static void
+_invalidateregion(NPP aNPP, NPRegion invalidRegion);
+
+static void
+_forceredraw(NPP aNPP);
+
+static const char*
+_useragent(NPP aNPP);
+
+static void*
+_memalloc (uint32_t size);
+
+// Deprecated entry points for the old Java plugin.
+static void* /* OJI type: JRIEnv* */
+_getjavaenv(void);
+
+// Deprecated entry points for the old Java plugin.
+static void* /* OJI type: jref */
+_getjavapeer(NPP aNPP);
+
+static bool
+_invoke(NPP aNPP, NPObject* npobj, NPIdentifier method, const NPVariant *args,
+ uint32_t argCount, NPVariant *result);
+
+static bool
+_invokedefault(NPP aNPP, NPObject* npobj, const NPVariant *args,
+ uint32_t argCount, NPVariant *result);
+
+static bool
+_evaluate(NPP aNPP, NPObject* npobj, NPString *script, NPVariant *result);
+
+static bool
+_getproperty(NPP aNPP, NPObject* npobj, NPIdentifier property,
+ NPVariant *result);
+
+static bool
+_setproperty(NPP aNPP, NPObject* npobj, NPIdentifier property,
+ const NPVariant *value);
+
+static bool
+_removeproperty(NPP aNPP, NPObject* npobj, NPIdentifier property);
+
+static bool
+_hasproperty(NPP aNPP, NPObject* npobj, NPIdentifier propertyName);
+
+static bool
+_hasmethod(NPP aNPP, NPObject* npobj, NPIdentifier methodName);
+
+static bool
+_enumerate(NPP aNPP, NPObject *npobj, NPIdentifier **identifier,
+ uint32_t *count);
+
+static bool
+_construct(NPP aNPP, NPObject* npobj, const NPVariant *args,
+ uint32_t argCount, NPVariant *result);
+
+static void
+_releasevariantvalue(NPVariant *variant);
+
+static void
+_setexception(NPObject* npobj, const NPUTF8 *message);
+
+static void
+_pushpopupsenabledstate(NPP aNPP, NPBool enabled);
+
+static void
+_poppopupsenabledstate(NPP aNPP);
+
+static void
+_pluginthreadasynccall(NPP instance, PluginThreadCallback func,
+ void *userData);
+
+static NPError
+_getvalueforurl(NPP npp, NPNURLVariable variable, const char *url,
+ char **value, uint32_t *len);
+
+static NPError
+_setvalueforurl(NPP npp, NPNURLVariable variable, const char *url,
+ const char *value, uint32_t len);
+
+static NPError
+_getauthenticationinfo(NPP npp, const char *protocol,
+ const char *host, int32_t port,
+ const char *scheme, const char *realm,
+ char **username, uint32_t *ulen,
+ char **password, uint32_t *plen);
+
+static uint32_t
+_scheduletimer(NPP instance, uint32_t interval, NPBool repeat,
+ void (*timerFunc)(NPP npp, uint32_t timerID));
+
+static void
+_unscheduletimer(NPP instance, uint32_t timerID);
+
+static NPError
+_popupcontextmenu(NPP instance, NPMenu* menu);
+
+static NPBool
+_convertpoint(NPP instance,
+ double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
+ double *destX, double *destY, NPCoordinateSpace destSpace);
+
+static void
+_urlredirectresponse(NPP instance, void* notifyData, NPBool allow);
+
+static NPError
+_initasyncsurface(NPP instance, NPSize *size,
+ NPImageFormat format, void *initData,
+ NPAsyncSurface *surface);
+
+static NPError
+_finalizeasyncsurface(NPP instance, NPAsyncSurface *surface);
+
+static void
+_setcurrentasyncsurface(NPP instance, NPAsyncSurface *surface, NPRect *changed);
+
+} /* namespace child */
+} /* namespace plugins */
+} /* namespace mozilla */
+
+const NPNetscapeFuncs PluginModuleChild::sBrowserFuncs = {
+ sizeof(sBrowserFuncs),
+ (NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR,
+ mozilla::plugins::child::_geturl,
+ mozilla::plugins::child::_posturl,
+ mozilla::plugins::child::_requestread,
+ mozilla::plugins::child::_newstream,
+ mozilla::plugins::child::_write,
+ mozilla::plugins::child::_destroystream,
+ mozilla::plugins::child::_status,
+ mozilla::plugins::child::_useragent,
+ mozilla::plugins::child::_memalloc,
+ mozilla::plugins::child::_memfree,
+ mozilla::plugins::child::_memflush,
+ mozilla::plugins::child::_reloadplugins,
+ mozilla::plugins::child::_getjavaenv,
+ mozilla::plugins::child::_getjavapeer,
+ mozilla::plugins::child::_geturlnotify,
+ mozilla::plugins::child::_posturlnotify,
+ mozilla::plugins::child::_getvalue,
+ mozilla::plugins::child::_setvalue,
+ mozilla::plugins::child::_invalidaterect,
+ mozilla::plugins::child::_invalidateregion,
+ mozilla::plugins::child::_forceredraw,
+ PluginModuleChild::NPN_GetStringIdentifier,
+ PluginModuleChild::NPN_GetStringIdentifiers,
+ PluginModuleChild::NPN_GetIntIdentifier,
+ PluginModuleChild::NPN_IdentifierIsString,
+ PluginModuleChild::NPN_UTF8FromIdentifier,
+ PluginModuleChild::NPN_IntFromIdentifier,
+ PluginModuleChild::NPN_CreateObject,
+ PluginModuleChild::NPN_RetainObject,
+ PluginModuleChild::NPN_ReleaseObject,
+ mozilla::plugins::child::_invoke,
+ mozilla::plugins::child::_invokedefault,
+ mozilla::plugins::child::_evaluate,
+ mozilla::plugins::child::_getproperty,
+ mozilla::plugins::child::_setproperty,
+ mozilla::plugins::child::_removeproperty,
+ mozilla::plugins::child::_hasproperty,
+ mozilla::plugins::child::_hasmethod,
+ mozilla::plugins::child::_releasevariantvalue,
+ mozilla::plugins::child::_setexception,
+ mozilla::plugins::child::_pushpopupsenabledstate,
+ mozilla::plugins::child::_poppopupsenabledstate,
+ mozilla::plugins::child::_enumerate,
+ mozilla::plugins::child::_pluginthreadasynccall,
+ mozilla::plugins::child::_construct,
+ mozilla::plugins::child::_getvalueforurl,
+ mozilla::plugins::child::_setvalueforurl,
+ mozilla::plugins::child::_getauthenticationinfo,
+ mozilla::plugins::child::_scheduletimer,
+ mozilla::plugins::child::_unscheduletimer,
+ mozilla::plugins::child::_popupcontextmenu,
+ mozilla::plugins::child::_convertpoint,
+ nullptr, // handleevent, unimplemented
+ nullptr, // unfocusinstance, unimplemented
+ mozilla::plugins::child::_urlredirectresponse,
+ mozilla::plugins::child::_initasyncsurface,
+ mozilla::plugins::child::_finalizeasyncsurface,
+ mozilla::plugins::child::_setcurrentasyncsurface,
+};
+
+PluginInstanceChild*
+InstCast(NPP aNPP)
+{
+ MOZ_ASSERT(!!(aNPP->ndata), "nil instance");
+ return static_cast<PluginInstanceChild*>(aNPP->ndata);
+}
+
+namespace mozilla {
+namespace plugins {
+namespace child {
+
+NPError
+_requestread(NPStream* aStream,
+ NPByteRange* aRangeList)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+
+ BrowserStreamChild* bs =
+ static_cast<BrowserStreamChild*>(static_cast<AStream*>(aStream->ndata));
+ bs->EnsureCorrectStream(aStream);
+ return bs->NPN_RequestRead(aRangeList);
+}
+
+NPError
+_geturlnotify(NPP aNPP,
+ const char* aRelativeURL,
+ const char* aTarget,
+ void* aNotifyData)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+
+ if (!aNPP) // nullptr check for nspluginwrapper (bug 561690)
+ return NPERR_INVALID_INSTANCE_ERROR;
+
+ nsCString url = NullableString(aRelativeURL);
+ StreamNotifyChild* sn = new StreamNotifyChild(url);
+
+ NPError err;
+ InstCast(aNPP)->CallPStreamNotifyConstructor(
+ sn, url, NullableString(aTarget), false, nsCString(), false, &err);
+
+ if (NPERR_NO_ERROR == err) {
+ // If NPN_PostURLNotify fails, the parent will immediately send us
+ // a PStreamNotifyDestructor, which should not call NPP_URLNotify.
+ sn->SetValid(aNotifyData);
+ }
+
+ return err;
+}
+
+NPError
+_getvalue(NPP aNPP,
+ NPNVariable aVariable,
+ void* aValue)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+
+ switch (aVariable) {
+ // Copied from nsNPAPIPlugin.cpp
+ case NPNVToolkit:
+#if defined(MOZ_WIDGET_GTK)
+ *static_cast<NPNToolkitType*>(aValue) = NPNVGtk2;
+ return NPERR_NO_ERROR;
+#endif
+ return NPERR_GENERIC_ERROR;
+
+ case NPNVjavascriptEnabledBool:
+ *(NPBool*)aValue = PluginModuleChild::GetChrome()->Settings().javascriptEnabled();
+ return NPERR_NO_ERROR;
+ case NPNVasdEnabledBool:
+ *(NPBool*)aValue = PluginModuleChild::GetChrome()->Settings().asdEnabled();
+ return NPERR_NO_ERROR;
+ case NPNVisOfflineBool:
+ *(NPBool*)aValue = PluginModuleChild::GetChrome()->Settings().isOffline();
+ return NPERR_NO_ERROR;
+ case NPNVSupportsXEmbedBool:
+ *(NPBool*)aValue = PluginModuleChild::GetChrome()->Settings().supportsXembed();
+ return NPERR_NO_ERROR;
+ case NPNVSupportsWindowless:
+ *(NPBool*)aValue = PluginModuleChild::GetChrome()->Settings().supportsWindowless();
+ return NPERR_NO_ERROR;
+#if defined(MOZ_WIDGET_GTK)
+ case NPNVxDisplay: {
+ if (aNPP) {
+ return InstCast(aNPP)->NPN_GetValue(aVariable, aValue);
+ }
+ else {
+ *(void **)aValue = xt_client_get_display();
+ }
+ return NPERR_NO_ERROR;
+ }
+ case NPNVxtAppContext:
+ return NPERR_GENERIC_ERROR;
+#endif
+ default: {
+ if (aNPP) {
+ return InstCast(aNPP)->NPN_GetValue(aVariable, aValue);
+ }
+
+ NS_WARNING("Null NPP!");
+ return NPERR_INVALID_INSTANCE_ERROR;
+ }
+ }
+
+ NS_NOTREACHED("Shouldn't get here!");
+ return NPERR_GENERIC_ERROR;
+}
+
+NPError
+_setvalue(NPP aNPP,
+ NPPVariable aVariable,
+ void* aValue)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+ return InstCast(aNPP)->NPN_SetValue(aVariable, aValue);
+}
+
+NPError
+_geturl(NPP aNPP,
+ const char* aRelativeURL,
+ const char* aTarget)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+
+ NPError err;
+ InstCast(aNPP)->CallNPN_GetURL(NullableString(aRelativeURL),
+ NullableString(aTarget), &err);
+ return err;
+}
+
+NPError
+_posturlnotify(NPP aNPP,
+ const char* aRelativeURL,
+ const char* aTarget,
+ uint32_t aLength,
+ const char* aBuffer,
+ NPBool aIsFile,
+ void* aNotifyData)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+
+ if (!aBuffer)
+ return NPERR_INVALID_PARAM;
+
+ nsCString url = NullableString(aRelativeURL);
+ StreamNotifyChild* sn = new StreamNotifyChild(url);
+
+ NPError err;
+ InstCast(aNPP)->CallPStreamNotifyConstructor(
+ sn, url, NullableString(aTarget), true,
+ nsCString(aBuffer, aLength), aIsFile, &err);
+
+ if (NPERR_NO_ERROR == err) {
+ // If NPN_PostURLNotify fails, the parent will immediately send us
+ // a PStreamNotifyDestructor, which should not call NPP_URLNotify.
+ sn->SetValid(aNotifyData);
+ }
+
+ return err;
+}
+
+NPError
+_posturl(NPP aNPP,
+ const char* aRelativeURL,
+ const char* aTarget,
+ uint32_t aLength,
+ const char* aBuffer,
+ NPBool aIsFile)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+
+ NPError err;
+ // FIXME what should happen when |aBuffer| is null?
+ InstCast(aNPP)->CallNPN_PostURL(NullableString(aRelativeURL),
+ NullableString(aTarget),
+ nsDependentCString(aBuffer, aLength),
+ aIsFile, &err);
+ return err;
+}
+
+NPError
+_newstream(NPP aNPP,
+ NPMIMEType aMIMEType,
+ const char* aWindow,
+ NPStream** aStream)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+ return InstCast(aNPP)->NPN_NewStream(aMIMEType, aWindow, aStream);
+}
+
+int32_t
+_write(NPP aNPP,
+ NPStream* aStream,
+ int32_t aLength,
+ void* aBuffer)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(0);
+
+ PluginStreamChild* ps =
+ static_cast<PluginStreamChild*>(static_cast<AStream*>(aStream->ndata));
+ ps->EnsureCorrectInstance(InstCast(aNPP));
+ ps->EnsureCorrectStream(aStream);
+ return ps->NPN_Write(aLength, aBuffer);
+}
+
+NPError
+_destroystream(NPP aNPP,
+ NPStream* aStream,
+ NPError aReason)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
+
+ PluginInstanceChild* p = InstCast(aNPP);
+ AStream* s = static_cast<AStream*>(aStream->ndata);
+ if (s->IsBrowserStream()) {
+ BrowserStreamChild* bs = static_cast<BrowserStreamChild*>(s);
+ bs->EnsureCorrectInstance(p);
+ bs->NPN_DestroyStream(aReason);
+ }
+ else {
+ PluginStreamChild* ps = static_cast<PluginStreamChild*>(s);
+ ps->EnsureCorrectInstance(p);
+ PPluginStreamChild::Call__delete__(ps, aReason, false);
+ }
+ return NPERR_NO_ERROR;
+}
+
+void
+_status(NPP aNPP,
+ const char* aMessage)
+{
+ // NPN_Status is no longer supported.
+}
+
+void
+_memfree(void* aPtr)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ free(aPtr);
+}
+
+uint32_t
+_memflush(uint32_t aSize)
+{
+ return 0;
+}
+
+void
+_reloadplugins(NPBool aReloadPages)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD_VOID();
+
+ // Send the reload message to all modules. Chrome will need to reload from
+ // disk and content will need to request a new list of plugin tags from
+ // chrome.
+ PluginModuleChild::GetChrome()->SendNPN_ReloadPlugins(!!aReloadPages);
+}
+
+void
+_invalidaterect(NPP aNPP,
+ NPRect* aInvalidRect)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD_VOID();
+ // nullptr check for nspluginwrapper (bug 548434)
+ if (aNPP) {
+ InstCast(aNPP)->InvalidateRect(aInvalidRect);
+ }
+}
+
+void
+_invalidateregion(NPP aNPP,
+ NPRegion aInvalidRegion)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD_VOID();
+ NS_WARNING("Not yet implemented!");
+}
+
+void
+_forceredraw(NPP aNPP)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD_VOID();
+
+ // We ignore calls to NPN_ForceRedraw. Such calls should
+ // never be necessary.
+}
+
+const char*
+_useragent(NPP aNPP)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(nullptr);
+ return PluginModuleChild::GetChrome()->GetUserAgent();
+}
+
+void*
+_memalloc(uint32_t aSize)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ return moz_xmalloc(aSize);
+}
+
+// Deprecated entry points for the old Java plugin.
+void* /* OJI type: JRIEnv* */
+_getjavaenv(void)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ return 0;
+}
+
+void* /* OJI type: jref */
+_getjavapeer(NPP aNPP)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ return 0;
+}
+
+bool
+_invoke(NPP aNPP,
+ NPObject* aNPObj,
+ NPIdentifier aMethod,
+ const NPVariant* aArgs,
+ uint32_t aArgCount,
+ NPVariant* aResult)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class || !aNPObj->_class->invoke)
+ return false;
+
+ return aNPObj->_class->invoke(aNPObj, aMethod, aArgs, aArgCount, aResult);
+}
+
+bool
+_invokedefault(NPP aNPP,
+ NPObject* aNPObj,
+ const NPVariant* aArgs,
+ uint32_t aArgCount,
+ NPVariant* aResult)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class || !aNPObj->_class->invokeDefault)
+ return false;
+
+ return aNPObj->_class->invokeDefault(aNPObj, aArgs, aArgCount, aResult);
+}
+
+bool
+_evaluate(NPP aNPP,
+ NPObject* aObject,
+ NPString* aScript,
+ NPVariant* aResult)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!(aNPP && aObject && aScript && aResult)) {
+ NS_ERROR("Bad arguments!");
+ return false;
+ }
+
+ PluginScriptableObjectChild* actor =
+ InstCast(aNPP)->GetActorForNPObject(aObject);
+ if (!actor) {
+ NS_ERROR("Failed to create actor?!");
+ return false;
+ }
+
+#ifdef XP_WIN
+ if (gDelayFlashFocusReplyUntilEval) {
+ ReplyMessage(0);
+ gDelayFlashFocusReplyUntilEval = false;
+ }
+#endif
+
+ return actor->Evaluate(aScript, aResult);
+}
+
+bool
+_getproperty(NPP aNPP,
+ NPObject* aNPObj,
+ NPIdentifier aPropertyName,
+ NPVariant* aResult)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class || !aNPObj->_class->getProperty)
+ return false;
+
+ return aNPObj->_class->getProperty(aNPObj, aPropertyName, aResult);
+}
+
+bool
+_setproperty(NPP aNPP,
+ NPObject* aNPObj,
+ NPIdentifier aPropertyName,
+ const NPVariant* aValue)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class || !aNPObj->_class->setProperty)
+ return false;
+
+ return aNPObj->_class->setProperty(aNPObj, aPropertyName, aValue);
+}
+
+bool
+_removeproperty(NPP aNPP,
+ NPObject* aNPObj,
+ NPIdentifier aPropertyName)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class || !aNPObj->_class->removeProperty)
+ return false;
+
+ return aNPObj->_class->removeProperty(aNPObj, aPropertyName);
+}
+
+bool
+_hasproperty(NPP aNPP,
+ NPObject* aNPObj,
+ NPIdentifier aPropertyName)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class || !aNPObj->_class->hasProperty)
+ return false;
+
+ return aNPObj->_class->hasProperty(aNPObj, aPropertyName);
+}
+
+bool
+_hasmethod(NPP aNPP,
+ NPObject* aNPObj,
+ NPIdentifier aMethodName)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class || !aNPObj->_class->hasMethod)
+ return false;
+
+ return aNPObj->_class->hasMethod(aNPObj, aMethodName);
+}
+
+bool
+_enumerate(NPP aNPP,
+ NPObject* aNPObj,
+ NPIdentifier** aIdentifiers,
+ uint32_t* aCount)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class)
+ return false;
+
+ if (!NP_CLASS_STRUCT_VERSION_HAS_ENUM(aNPObj->_class) ||
+ !aNPObj->_class->enumerate) {
+ *aIdentifiers = 0;
+ *aCount = 0;
+ return true;
+ }
+
+ return aNPObj->_class->enumerate(aNPObj, aIdentifiers, aCount);
+}
+
+bool
+_construct(NPP aNPP,
+ NPObject* aNPObj,
+ const NPVariant* aArgs,
+ uint32_t aArgCount,
+ NPVariant* aResult)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(false);
+
+ if (!aNPP || !aNPObj || !aNPObj->_class ||
+ !NP_CLASS_STRUCT_VERSION_HAS_CTOR(aNPObj->_class) ||
+ !aNPObj->_class->construct) {
+ return false;
+ }
+
+ return aNPObj->_class->construct(aNPObj, aArgs, aArgCount, aResult);
+}
+
+void
+_releasevariantvalue(NPVariant* aVariant)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ // Only assert plugin thread here for consistency with in-process plugins.
+ AssertPluginThread();
+
+ if (NPVARIANT_IS_STRING(*aVariant)) {
+ NPString str = NPVARIANT_TO_STRING(*aVariant);
+ free(const_cast<NPUTF8*>(str.UTF8Characters));
+ }
+ else if (NPVARIANT_IS_OBJECT(*aVariant)) {
+ NPObject* object = NPVARIANT_TO_OBJECT(*aVariant);
+ if (object) {
+ PluginModuleChild::NPN_ReleaseObject(object);
+ }
+ }
+ VOID_TO_NPVARIANT(*aVariant);
+}
+
+void
+_setexception(NPObject* aNPObj,
+ const NPUTF8* aMessage)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD_VOID();
+
+ // Do nothing. We no longer support this API.
+}
+
+void
+_pushpopupsenabledstate(NPP aNPP,
+ NPBool aEnabled)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD_VOID();
+
+ InstCast(aNPP)->CallNPN_PushPopupsEnabledState(aEnabled ? true : false);
+}
+
+void
+_poppopupsenabledstate(NPP aNPP)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD_VOID();
+
+ InstCast(aNPP)->CallNPN_PopPopupsEnabledState();
+}
+
+void
+_pluginthreadasynccall(NPP aNPP,
+ PluginThreadCallback aFunc,
+ void* aUserData)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ if (!aFunc)
+ return;
+
+ InstCast(aNPP)->AsyncCall(aFunc, aUserData);
+}
+
+NPError
+_getvalueforurl(NPP npp, NPNURLVariable variable, const char *url,
+ char **value, uint32_t *len)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+
+ if (!url)
+ return NPERR_INVALID_URL;
+
+ if (!npp || !value || !len)
+ return NPERR_INVALID_PARAM;
+
+ switch (variable) {
+ case NPNURLVCookie:
+ case NPNURLVProxy:
+ nsCString v;
+ NPError result;
+ InstCast(npp)->
+ CallNPN_GetValueForURL(variable, nsCString(url), &v, &result);
+ if (NPERR_NO_ERROR == result) {
+ *value = ToNewCString(v);
+ *len = v.Length();
+ }
+ return result;
+ }
+
+ return NPERR_INVALID_PARAM;
+}
+
+NPError
+_setvalueforurl(NPP npp, NPNURLVariable variable, const char *url,
+ const char *value, uint32_t len)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+
+ if (!value)
+ return NPERR_INVALID_PARAM;
+
+ if (!url)
+ return NPERR_INVALID_URL;
+
+ switch (variable) {
+ case NPNURLVCookie:
+ case NPNURLVProxy:
+ NPError result;
+ InstCast(npp)->CallNPN_SetValueForURL(variable, nsCString(url),
+ nsDependentCString(value, len),
+ &result);
+ return result;
+ }
+
+ return NPERR_INVALID_PARAM;
+}
+
+NPError
+_getauthenticationinfo(NPP npp, const char *protocol,
+ const char *host, int32_t port,
+ const char *scheme, const char *realm,
+ char **username, uint32_t *ulen,
+ char **password, uint32_t *plen)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+
+ if (!protocol || !host || !scheme || !realm || !username || !ulen ||
+ !password || !plen)
+ return NPERR_INVALID_PARAM;
+
+ nsCString u;
+ nsCString p;
+ NPError result;
+ InstCast(npp)->
+ CallNPN_GetAuthenticationInfo(nsDependentCString(protocol),
+ nsDependentCString(host),
+ port,
+ nsDependentCString(scheme),
+ nsDependentCString(realm),
+ &u, &p, &result);
+ if (NPERR_NO_ERROR == result) {
+ *username = ToNewCString(u);
+ *ulen = u.Length();
+ *password = ToNewCString(p);
+ *plen = p.Length();
+ }
+ return result;
+}
+
+uint32_t
+_scheduletimer(NPP npp, uint32_t interval, NPBool repeat,
+ void (*timerFunc)(NPP npp, uint32_t timerID))
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+ return InstCast(npp)->ScheduleTimer(interval, repeat, timerFunc);
+}
+
+void
+_unscheduletimer(NPP npp, uint32_t timerID)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+ InstCast(npp)->UnscheduleTimer(timerID);
+}
+
+
+#ifdef OS_MACOSX
+static void ProcessBrowserEvents(void* pluginModule) {
+ PluginModuleChild* pmc = static_cast<PluginModuleChild*>(pluginModule);
+
+ if (!pmc)
+ return;
+
+ pmc->CallProcessSomeEvents();
+}
+#endif
+
+NPError
+_popupcontextmenu(NPP instance, NPMenu* menu)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+
+ NS_WARNING("Not supported on this platform!");
+ return NPERR_GENERIC_ERROR;
+}
+
+NPBool
+_convertpoint(NPP instance,
+ double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
+ double *destX, double *destY, NPCoordinateSpace destSpace)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ if (!IsPluginThread()) {
+ NS_WARNING("Not running on the plugin's main thread!");
+ return false;
+ }
+
+ double rDestX = 0;
+ bool ignoreDestX = !destX;
+ double rDestY = 0;
+ bool ignoreDestY = !destY;
+ bool result = false;
+ InstCast(instance)->CallNPN_ConvertPoint(sourceX, ignoreDestX, sourceY, ignoreDestY, sourceSpace, destSpace,
+ &rDestX, &rDestY, &result);
+ if (result) {
+ if (destX)
+ *destX = rDestX;
+ if (destY)
+ *destY = rDestY;
+ }
+
+ return result;
+}
+
+void
+_urlredirectresponse(NPP instance, void* notifyData, NPBool allow)
+{
+ InstCast(instance)->NPN_URLRedirectResponse(notifyData, allow);
+}
+
+NPError
+_initasyncsurface(NPP instance, NPSize *size,
+ NPImageFormat format, void *initData,
+ NPAsyncSurface *surface)
+{
+ return InstCast(instance)->NPN_InitAsyncSurface(size, format, initData, surface);
+}
+
+NPError
+_finalizeasyncsurface(NPP instance, NPAsyncSurface *surface)
+{
+ return InstCast(instance)->NPN_FinalizeAsyncSurface(surface);
+}
+
+void
+_setcurrentasyncsurface(NPP instance, NPAsyncSurface *surface, NPRect *changed)
+{
+ InstCast(instance)->NPN_SetCurrentAsyncSurface(surface, changed);
+}
+
+} /* namespace child */
+} /* namespace plugins */
+} /* namespace mozilla */
+
+//-----------------------------------------------------------------------------
+
+bool
+PluginModuleChild::RecvSettingChanged(const PluginSettings& aSettings)
+{
+ mCachedSettings = aSettings;
+ return true;
+}
+
+bool
+PluginModuleChild::AnswerNP_GetEntryPoints(NPError* _retval)
+{
+ PLUGIN_LOG_DEBUG_METHOD;
+ AssertPluginThread();
+ MOZ_ASSERT(mIsChrome);
+
+#if defined(OS_LINUX) || defined(OS_BSD) || defined(OS_SOLARIS)
+ return true;
+#elif defined(OS_WIN) || defined(OS_MACOSX)
+ *_retval = mGetEntryPointsFunc(&mFunctions);
+ return true;
+#else
+# error Please implement me for your platform
+#endif
+}
+
+bool
+PluginModuleChild::AnswerNP_Initialize(const PluginSettings& aSettings, NPError* rv)
+{
+ *rv = DoNP_Initialize(aSettings);
+ return true;
+}
+
+bool
+PluginModuleChild::RecvAsyncNP_Initialize(const PluginSettings& aSettings)
+{
+ NPError error = DoNP_Initialize(aSettings);
+ return SendNP_InitializeResult(error);
+}
+
+NPError
+PluginModuleChild::DoNP_Initialize(const PluginSettings& aSettings)
+{
+ PLUGIN_LOG_DEBUG_METHOD;
+ AssertPluginThread();
+ MOZ_ASSERT(mIsChrome);
+
+ mCachedSettings = aSettings;
+
+#ifdef OS_WIN
+ SetEventHooks();
+#endif
+
+#ifdef MOZ_X11
+ // Send the parent our X socket to act as a proxy reference for our X
+ // resources.
+ int xSocketFd = ConnectionNumber(DefaultXDisplay());
+ SendBackUpXResources(FileDescriptor(xSocketFd));
+#endif
+
+ NPError result;
+#if defined(OS_LINUX) || defined(OS_BSD) || defined(OS_SOLARIS)
+ result = mInitializeFunc(&sBrowserFuncs, &mFunctions);
+#elif defined(OS_WIN) || defined(OS_MACOSX)
+ result = mInitializeFunc(&sBrowserFuncs);
+#else
+# error Please implement me for your platform
+#endif
+
+ return result;
+}
+
+#if defined(XP_WIN)
+
+// Windows 8 RTM (kernelbase's version is 6.2.9200.16384) doesn't call
+// CreateFileW from CreateFileA.
+// So we hook CreateFileA too to use CreateFileW hook.
+
+static HANDLE WINAPI
+CreateFileAHookFn(LPCSTR fname, DWORD access, DWORD share,
+ LPSECURITY_ATTRIBUTES security, DWORD creation, DWORD flags,
+ HANDLE ftemplate)
+{
+ while (true) { // goto out
+ // Our hook is for mms.cfg into \Windows\System32\Macromed\Flash
+ // We don't requrie supporting too long path.
+ WCHAR unicodeName[MAX_PATH];
+ size_t len = strlen(fname);
+
+ if (len >= MAX_PATH) {
+ break;
+ }
+
+ // We call to CreateFileW for workaround of Windows 8 RTM
+ int newLen = MultiByteToWideChar(CP_ACP, MB_ERR_INVALID_CHARS, fname,
+ len, unicodeName, MAX_PATH);
+ if (newLen == 0 || newLen >= MAX_PATH) {
+ break;
+ }
+ unicodeName[newLen] = '\0';
+
+ return CreateFileW(unicodeName, access, share, security, creation, flags, ftemplate);
+ }
+
+ return sCreateFileAStub(fname, access, share, security, creation, flags,
+ ftemplate);
+}
+
+static bool
+GetLocalLowTempPath(size_t aLen, LPWSTR aPath)
+{
+ NS_NAMED_LITERAL_STRING(tempname, "\\Temp");
+ LPWSTR path;
+ if (SUCCEEDED(SHGetKnownFolderPath(FOLDERID_LocalAppDataLow, 0,
+ nullptr, &path))) {
+ if (wcslen(path) + tempname.Length() < aLen) {
+ wcscpy(aPath, path);
+ wcscat(aPath, tempname.get());
+ ::CoTaskMemFree(path);
+ return true;
+ }
+ ::CoTaskMemFree(path);
+ }
+
+ // XP doesn't support SHGetKnownFolderPath and LocalLow
+ if (!GetTempPathW(aLen, aPath)) {
+ return false;
+ }
+ return true;
+}
+
+HANDLE WINAPI
+CreateFileWHookFn(LPCWSTR fname, DWORD access, DWORD share,
+ LPSECURITY_ATTRIBUTES security, DWORD creation, DWORD flags,
+ HANDLE ftemplate)
+{
+ static const WCHAR kConfigFile[] = L"mms.cfg";
+ static const size_t kConfigLength = ArrayLength(kConfigFile) - 1;
+
+ while (true) { // goto out, in sheep's clothing
+ size_t len = wcslen(fname);
+ if (len < kConfigLength) {
+ break;
+ }
+ if (wcscmp(fname + len - kConfigLength, kConfigFile) != 0) {
+ break;
+ }
+
+ // This is the config file we want to rewrite
+ WCHAR tempPath[MAX_PATH+1];
+ if (GetLocalLowTempPath(MAX_PATH, tempPath) == 0) {
+ break;
+ }
+ WCHAR tempFile[MAX_PATH+1];
+ if (GetTempFileNameW(tempPath, L"fx", 0, tempFile) == 0) {
+ break;
+ }
+ HANDLE replacement =
+ sCreateFileWStub(tempFile, GENERIC_READ | GENERIC_WRITE, share,
+ security, TRUNCATE_EXISTING,
+ FILE_ATTRIBUTE_TEMPORARY |
+ FILE_FLAG_DELETE_ON_CLOSE,
+ NULL);
+ if (replacement == INVALID_HANDLE_VALUE) {
+ break;
+ }
+
+ HANDLE original = sCreateFileWStub(fname, access, share, security,
+ creation, flags, ftemplate);
+ if (original != INVALID_HANDLE_VALUE) {
+ // copy original to replacement
+ static const size_t kBufferSize = 1024;
+ char buffer[kBufferSize];
+ DWORD bytes;
+ while (ReadFile(original, buffer, kBufferSize, &bytes, NULL)) {
+ if (bytes == 0) {
+ break;
+ }
+ DWORD wbytes;
+ WriteFile(replacement, buffer, bytes, &wbytes, NULL);
+ if (bytes < kBufferSize) {
+ break;
+ }
+ }
+ CloseHandle(original);
+ }
+ static const char kSettingString[] = "\nProtectedMode=0\n";
+ DWORD wbytes;
+ WriteFile(replacement, static_cast<const void*>(kSettingString),
+ sizeof(kSettingString) - 1, &wbytes, NULL);
+ SetFilePointer(replacement, 0, NULL, FILE_BEGIN);
+ return replacement;
+ }
+ return sCreateFileWStub(fname, access, share, security, creation, flags,
+ ftemplate);
+}
+
+void
+PluginModuleChild::HookProtectedMode()
+{
+ sKernel32Intercept.Init("kernel32.dll");
+ sKernel32Intercept.AddHook("CreateFileW",
+ reinterpret_cast<intptr_t>(CreateFileWHookFn),
+ (void**) &sCreateFileWStub);
+ sKernel32Intercept.AddHook("CreateFileA",
+ reinterpret_cast<intptr_t>(CreateFileAHookFn),
+ (void**) &sCreateFileAStub);
+}
+
+BOOL WINAPI
+PMCGetWindowInfoHook(HWND hWnd, PWINDOWINFO pwi)
+{
+ if (!pwi)
+ return FALSE;
+
+ if (!sGetWindowInfoPtrStub) {
+ NS_ASSERTION(FALSE, "Something is horribly wrong in PMCGetWindowInfoHook!");
+ return FALSE;
+ }
+
+ if (!sBrowserHwnd) {
+ wchar_t szClass[20];
+ if (GetClassNameW(hWnd, szClass, ArrayLength(szClass)) &&
+ !wcscmp(szClass, kMozillaWindowClass)) {
+ sBrowserHwnd = hWnd;
+ }
+ }
+ // Oddity: flash does strange rect comparisons for mouse input destined for
+ // it's internal settings window. Post removing sub widgets for tabs, touch
+ // this up so they get the rect they expect.
+ // XXX potentially tie this to a specific major version?
+ BOOL result = sGetWindowInfoPtrStub(hWnd, pwi);
+ if (sBrowserHwnd && sBrowserHwnd == hWnd)
+ pwi->rcWindow = pwi->rcClient;
+ return result;
+}
+
+SHORT WINAPI PMCGetKeyState(int aVirtKey);
+
+// Runnable that performs GetKeyState on the main thread so that it can be
+// synchronously run on the PluginModuleParent via IPC.
+// The task alerts the given semaphore when it is finished.
+class GetKeyStateTask : public Runnable
+{
+ SHORT* mKeyState;
+ int mVirtKey;
+ HANDLE mSemaphore;
+
+public:
+ explicit GetKeyStateTask(int aVirtKey, HANDLE aSemaphore, SHORT* aKeyState) :
+ mVirtKey(aVirtKey), mSemaphore(aSemaphore), mKeyState(aKeyState)
+ {}
+
+ NS_IMETHOD Run() override
+ {
+ PLUGIN_LOG_DEBUG_METHOD;
+ AssertPluginThread();
+ *mKeyState = PMCGetKeyState(mVirtKey);
+ if (!ReleaseSemaphore(mSemaphore, 1, nullptr)) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+ }
+};
+
+// static
+SHORT WINAPI
+PMCGetKeyState(int aVirtKey)
+{
+ if (!IsPluginThread()) {
+ // synchronously request the key state from the main thread
+
+ // Start a semaphore at 0. We Release the semaphore (bringing its count to 1)
+ // when the synchronous call is done.
+ HANDLE semaphore = CreateSemaphore(NULL, 0, 1, NULL);
+ if (semaphore == nullptr) {
+ MOZ_ASSERT(semaphore != nullptr);
+ return 0;
+ }
+
+ SHORT keyState;
+ RefPtr<GetKeyStateTask> task = new GetKeyStateTask(aVirtKey, semaphore, &keyState);
+ ProcessChild::message_loop()->PostTask(task.forget());
+ DWORD err = WaitForSingleObject(semaphore, INFINITE);
+ if (err != WAIT_FAILED) {
+ CloseHandle(semaphore);
+ return keyState;
+ }
+ PLUGIN_LOG_DEBUG(("Error while waiting for GetKeyState semaphore: %d",
+ GetLastError()));
+ MOZ_ASSERT(err != WAIT_FAILED);
+ CloseHandle(semaphore);
+ return 0;
+ }
+ PluginModuleChild* chromeInstance = PluginModuleChild::GetChrome();
+ if (chromeInstance) {
+ int16_t ret = 0;
+ if (chromeInstance->CallGetKeyState(aVirtKey, &ret)) {
+ return ret;
+ }
+ }
+ return sGetKeyStatePtrStub(aVirtKey);
+}
+#endif
+
+PPluginInstanceChild*
+PluginModuleChild::AllocPPluginInstanceChild(const nsCString& aMimeType,
+ const uint16_t& aMode,
+ const InfallibleTArray<nsCString>& aNames,
+ const InfallibleTArray<nsCString>& aValues)
+{
+ PLUGIN_LOG_DEBUG_METHOD;
+ AssertPluginThread();
+
+ // In e10s, gChromeInstance hands out quirks to instances, but never
+ // allocates an instance on its own. Make sure it gets the latest copy
+ // of quirks once we have them. Also note, with process-per-tab, we may
+ // have multiple PluginModuleChilds in the same plugin process, so only
+ // initialize this once in gChromeInstance, which is a singleton.
+ GetChrome()->InitQuirksModes(aMimeType);
+ mQuirks = GetChrome()->mQuirks;
+
+#ifdef XP_WIN
+ sUser32Intercept.Init("user32.dll");
+ if ((mQuirks & QUIRK_FLASH_HOOK_GETWINDOWINFO) &&
+ !sGetWindowInfoPtrStub) {
+ sUser32Intercept.AddHook("GetWindowInfo", reinterpret_cast<intptr_t>(PMCGetWindowInfoHook),
+ (void**) &sGetWindowInfoPtrStub);
+ }
+
+ if ((mQuirks & QUIRK_FLASH_HOOK_GETKEYSTATE) &&
+ !sGetKeyStatePtrStub) {
+ sUser32Intercept.AddHook("GetKeyState", reinterpret_cast<intptr_t>(PMCGetKeyState),
+ (void**) &sGetKeyStatePtrStub);
+ }
+#endif
+
+ return new PluginInstanceChild(&mFunctions, aMimeType, aMode, aNames,
+ aValues);
+}
+
+void
+PluginModuleChild::InitQuirksModes(const nsCString& aMimeType)
+{
+ if (mQuirks != QUIRKS_NOT_INITIALIZED) {
+ return;
+ }
+
+ mQuirks = GetQuirksFromMimeTypeAndFilename(aMimeType, mPluginFilename);
+}
+
+bool
+PluginModuleChild::AnswerModuleSupportsAsyncRender(bool* aResult)
+{
+#if defined(XP_WIN)
+ *aResult = gChromeInstance->mAsyncRenderSupport;
+ return true;
+#else
+ NS_NOTREACHED("Shouldn't get here!");
+ return false;
+#endif
+}
+
+bool
+PluginModuleChild::RecvPPluginInstanceConstructor(PPluginInstanceChild* aActor,
+ const nsCString& aMimeType,
+ const uint16_t& aMode,
+ InfallibleTArray<nsCString>&& aNames,
+ InfallibleTArray<nsCString>&& aValues)
+{
+ PLUGIN_LOG_DEBUG_METHOD;
+ AssertPluginThread();
+
+ NS_ASSERTION(aActor, "Null actor!");
+ return true;
+}
+
+bool
+PluginModuleChild::AnswerSyncNPP_New(PPluginInstanceChild* aActor, NPError* rv)
+{
+ PLUGIN_LOG_DEBUG_METHOD;
+ PluginInstanceChild* childInstance =
+ reinterpret_cast<PluginInstanceChild*>(aActor);
+ AssertPluginThread();
+ *rv = childInstance->DoNPP_New();
+ return true;
+}
+
+class AsyncNewResultSender : public ChildAsyncCall
+{
+public:
+ AsyncNewResultSender(PluginInstanceChild* aInstance, NPError aResult)
+ : ChildAsyncCall(aInstance, nullptr, nullptr)
+ , mResult(aResult)
+ {
+ }
+
+ NS_IMETHOD Run() override
+ {
+ RemoveFromAsyncList();
+ DebugOnly<bool> sendOk = mInstance->SendAsyncNPP_NewResult(mResult);
+ MOZ_ASSERT(sendOk);
+ return NS_OK;
+ }
+
+private:
+ NPError mResult;
+};
+
+static void
+RunAsyncNPP_New(void* aChildInstance)
+{
+ MOZ_ASSERT(aChildInstance);
+ PluginInstanceChild* childInstance =
+ static_cast<PluginInstanceChild*>(aChildInstance);
+ NPError rv = childInstance->DoNPP_New();
+ RefPtr<AsyncNewResultSender> task =
+ new AsyncNewResultSender(childInstance, rv);
+ childInstance->PostChildAsyncCall(task.forget());
+}
+
+bool
+PluginModuleChild::RecvAsyncNPP_New(PPluginInstanceChild* aActor)
+{
+ PLUGIN_LOG_DEBUG_METHOD;
+ PluginInstanceChild* childInstance =
+ reinterpret_cast<PluginInstanceChild*>(aActor);
+ AssertPluginThread();
+ // We don't want to run NPP_New async from within nested calls
+ childInstance->AsyncCall(&RunAsyncNPP_New, childInstance);
+ return true;
+}
+
+bool
+PluginModuleChild::DeallocPPluginInstanceChild(PPluginInstanceChild* aActor)
+{
+ PLUGIN_LOG_DEBUG_METHOD;
+ AssertPluginThread();
+
+ delete aActor;
+
+ return true;
+}
+
+NPObject*
+PluginModuleChild::NPN_CreateObject(NPP aNPP, NPClass* aClass)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ ENSURE_PLUGIN_THREAD(nullptr);
+
+ PluginInstanceChild* i = InstCast(aNPP);
+ if (i->mDeletingHash) {
+ NS_ERROR("Plugin used NPP after NPP_Destroy");
+ return nullptr;
+ }
+
+ NPObject* newObject;
+ if (aClass && aClass->allocate) {
+ newObject = aClass->allocate(aNPP, aClass);
+ }
+ else {
+ newObject = reinterpret_cast<NPObject*>(child::_memalloc(sizeof(NPObject)));
+ }
+
+ if (newObject) {
+ newObject->_class = aClass;
+ newObject->referenceCount = 1;
+ NS_LOG_ADDREF(newObject, 1, "NPObject", sizeof(NPObject));
+ }
+
+ PluginScriptableObjectChild::RegisterObject(newObject, i);
+
+ return newObject;
+}
+
+NPObject*
+PluginModuleChild::NPN_RetainObject(NPObject* aNPObj)
+{
+ AssertPluginThread();
+
+#ifdef NS_BUILD_REFCNT_LOGGING
+ int32_t refCnt =
+#endif
+ PR_ATOMIC_INCREMENT((int32_t*)&aNPObj->referenceCount);
+ NS_LOG_ADDREF(aNPObj, refCnt, "NPObject", sizeof(NPObject));
+
+ return aNPObj;
+}
+
+void
+PluginModuleChild::NPN_ReleaseObject(NPObject* aNPObj)
+{
+ AssertPluginThread();
+
+ PluginInstanceChild* instance = PluginScriptableObjectChild::GetInstanceForNPObject(aNPObj);
+ if (!instance) {
+ NS_ERROR("Releasing object not in mObjectMap?");
+ return;
+ }
+
+ DeletingObjectEntry* doe = nullptr;
+ if (instance->mDeletingHash) {
+ doe = instance->mDeletingHash->GetEntry(aNPObj);
+ if (!doe) {
+ NS_ERROR("An object for a destroyed instance isn't in the instance deletion hash");
+ return;
+ }
+ if (doe->mDeleted)
+ return;
+ }
+
+ int32_t refCnt = PR_ATOMIC_DECREMENT((int32_t*)&aNPObj->referenceCount);
+ NS_LOG_RELEASE(aNPObj, refCnt, "NPObject");
+
+ if (refCnt == 0) {
+ DeallocNPObject(aNPObj);
+ if (doe)
+ doe->mDeleted = true;
+ }
+ return;
+}
+
+void
+PluginModuleChild::DeallocNPObject(NPObject* aNPObj)
+{
+ if (aNPObj->_class && aNPObj->_class->deallocate) {
+ aNPObj->_class->deallocate(aNPObj);
+ } else {
+ child::_memfree(aNPObj);
+ }
+
+ PluginScriptableObjectChild* actor = PluginScriptableObjectChild::GetActorForNPObject(aNPObj);
+ if (actor)
+ actor->NPObjectDestroyed();
+
+ PluginScriptableObjectChild::UnregisterObject(aNPObj);
+}
+
+NPIdentifier
+PluginModuleChild::NPN_GetStringIdentifier(const NPUTF8* aName)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+
+ if (!aName)
+ return 0;
+
+ nsDependentCString name(aName);
+ PluginIdentifier ident(name);
+ PluginScriptableObjectChild::StackIdentifier stackID(ident);
+ stackID.MakePermanent();
+ return stackID.ToNPIdentifier();
+}
+
+void
+PluginModuleChild::NPN_GetStringIdentifiers(const NPUTF8** aNames,
+ int32_t aNameCount,
+ NPIdentifier* aIdentifiers)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+
+ if (!(aNames && aNameCount > 0 && aIdentifiers)) {
+ NS_RUNTIMEABORT("Bad input! Headed for a crash!");
+ }
+
+ for (int32_t index = 0; index < aNameCount; ++index) {
+ if (!aNames[index]) {
+ aIdentifiers[index] = 0;
+ continue;
+ }
+ nsDependentCString name(aNames[index]);
+ PluginIdentifier ident(name);
+ PluginScriptableObjectChild::StackIdentifier stackID(ident);
+ stackID.MakePermanent();
+ aIdentifiers[index] = stackID.ToNPIdentifier();
+ }
+}
+
+bool
+PluginModuleChild::NPN_IdentifierIsString(NPIdentifier aIdentifier)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+
+ PluginScriptableObjectChild::StackIdentifier stack(aIdentifier);
+ return stack.IsString();
+}
+
+NPIdentifier
+PluginModuleChild::NPN_GetIntIdentifier(int32_t aIntId)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+ AssertPluginThread();
+
+ PluginIdentifier ident(aIntId);
+ PluginScriptableObjectChild::StackIdentifier stackID(ident);
+ stackID.MakePermanent();
+ return stackID.ToNPIdentifier();
+}
+
+NPUTF8*
+PluginModuleChild::NPN_UTF8FromIdentifier(NPIdentifier aIdentifier)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+
+ PluginScriptableObjectChild::StackIdentifier stackID(aIdentifier);
+ if (stackID.IsString()) {
+ return ToNewCString(stackID.GetString());
+ }
+ return nullptr;
+}
+
+int32_t
+PluginModuleChild::NPN_IntFromIdentifier(NPIdentifier aIdentifier)
+{
+ PLUGIN_LOG_DEBUG_FUNCTION;
+
+ PluginScriptableObjectChild::StackIdentifier stackID(aIdentifier);
+ if (!stackID.IsString()) {
+ return stackID.GetInt();
+ }
+ return INT32_MIN;
+}
+
+#ifdef OS_WIN
+void
+PluginModuleChild::EnteredCall()
+{
+ mIncallPumpingStack.AppendElement();
+}
+
+void
+PluginModuleChild::ExitedCall()
+{
+ NS_ASSERTION(mIncallPumpingStack.Length(), "mismatched entered/exited");
+ uint32_t len = mIncallPumpingStack.Length();
+ const IncallFrame& f = mIncallPumpingStack[len - 1];
+ if (f._spinning)
+ MessageLoop::current()->SetNestableTasksAllowed(f._savedNestableTasksAllowed);
+
+ mIncallPumpingStack.TruncateLength(len - 1);
+}
+
+LRESULT CALLBACK
+PluginModuleChild::CallWindowProcHook(int nCode, WPARAM wParam, LPARAM lParam)
+{
+ // Trap and reply to anything we recognize as the source of a
+ // potential send message deadlock.
+ if (nCode >= 0 &&
+ (InSendMessageEx(nullptr)&(ISMEX_REPLIED|ISMEX_SEND)) == ISMEX_SEND) {
+ CWPSTRUCT* pCwp = reinterpret_cast<CWPSTRUCT*>(lParam);
+ if (pCwp->message == WM_KILLFOCUS) {
+ // Fix for flash fullscreen window loosing focus. On single
+ // core systems, sync killfocus events need to be handled
+ // after the flash fullscreen window procedure processes this
+ // message, otherwise fullscreen focus will not work correctly.
+ wchar_t szClass[26];
+ if (GetClassNameW(pCwp->hwnd, szClass,
+ sizeof(szClass)/sizeof(char16_t)) &&
+ !wcscmp(szClass, kFlashFullscreenClass)) {
+ gDelayFlashFocusReplyUntilEval = true;
+ }
+ }
+ }
+
+ return CallNextHookEx(nullptr, nCode, wParam, lParam);
+}
+
+LRESULT CALLBACK
+PluginModuleChild::NestedInputEventHook(int nCode, WPARAM wParam, LPARAM lParam)
+{
+ PluginModuleChild* self = GetChrome();
+ uint32_t len = self->mIncallPumpingStack.Length();
+ if (nCode >= 0 && len && !self->mIncallPumpingStack[len - 1]._spinning) {
+ MessageLoop* loop = MessageLoop::current();
+ self->SendProcessNativeEventsInInterruptCall();
+ IncallFrame& f = self->mIncallPumpingStack[len - 1];
+ f._spinning = true;
+ f._savedNestableTasksAllowed = loop->NestableTasksAllowed();
+ loop->SetNestableTasksAllowed(true);
+ loop->set_os_modal_loop(true);
+ }
+
+ return CallNextHookEx(nullptr, nCode, wParam, lParam);
+}
+
+void
+PluginModuleChild::SetEventHooks()
+{
+ NS_ASSERTION(!mNestedEventHook,
+ "mNestedEventHook already setup in call to SetNestedInputEventHook?");
+ NS_ASSERTION(!mGlobalCallWndProcHook,
+ "mGlobalCallWndProcHook already setup in call to CallWindowProcHook?");
+
+ PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
+
+ // WH_MSGFILTER event hook for detecting modal loops in the child.
+ mNestedEventHook = SetWindowsHookEx(WH_MSGFILTER,
+ NestedInputEventHook,
+ nullptr,
+ GetCurrentThreadId());
+
+ // WH_CALLWNDPROC event hook for trapping sync messages sent from
+ // parent that can cause deadlocks.
+ mGlobalCallWndProcHook = SetWindowsHookEx(WH_CALLWNDPROC,
+ CallWindowProcHook,
+ nullptr,
+ GetCurrentThreadId());
+}
+
+void
+PluginModuleChild::ResetEventHooks()
+{
+ PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
+ if (mNestedEventHook)
+ UnhookWindowsHookEx(mNestedEventHook);
+ mNestedEventHook = nullptr;
+ if (mGlobalCallWndProcHook)
+ UnhookWindowsHookEx(mGlobalCallWndProcHook);
+ mGlobalCallWndProcHook = nullptr;
+}
+#endif
+
+bool
+PluginModuleChild::RecvProcessNativeEventsInInterruptCall()
+{
+ PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
+#if defined(OS_WIN)
+ ProcessNativeEventsInInterruptCall();
+ return true;
+#else
+ NS_RUNTIMEABORT(
+ "PluginModuleChild::RecvProcessNativeEventsInInterruptCall not implemented!");
+ return false;
+#endif
+}
+
+NPError
+PluginModuleChild::PluginRequiresAudioDeviceChanges(
+ PluginInstanceChild* aInstance,
+ NPBool aShouldRegister)
+{
+#ifdef XP_WIN
+ // Maintain a set of PluginInstanceChildren that we need to tell when the
+ // default audio device has changed.
+ NPError rv = NPERR_NO_ERROR;
+ if (aShouldRegister) {
+ if (mAudioNotificationSet.IsEmpty()) {
+ // We are registering the first plugin. Notify the PluginModuleParent
+ // that it needs to start sending us audio device notifications.
+ if (!CallNPN_SetValue_NPPVpluginRequiresAudioDeviceChanges(
+ aShouldRegister, &rv)) {
+ return NPERR_GENERIC_ERROR;
+ }
+ }
+ if (rv == NPERR_NO_ERROR) {
+ mAudioNotificationSet.PutEntry(aInstance);
+ }
+ }
+ else if (!mAudioNotificationSet.IsEmpty()) {
+ mAudioNotificationSet.RemoveEntry(aInstance);
+ if (mAudioNotificationSet.IsEmpty()) {
+ // We released the last plugin. Unregister from the PluginModuleParent.
+ if (!CallNPN_SetValue_NPPVpluginRequiresAudioDeviceChanges(
+ aShouldRegister, &rv)) {
+ return NPERR_GENERIC_ERROR;
+ }
+ }
+ }
+ return rv;
+#else
+ NS_RUNTIMEABORT("PluginRequiresAudioDeviceChanges is not available on this platform.");
+ return NPERR_GENERIC_ERROR;
+#endif // XP_WIN
+}
+
+bool
+PluginModuleChild::RecvNPP_SetValue_NPNVaudioDeviceChangeDetails(
+ const NPAudioDeviceChangeDetailsIPC& detailsIPC)
+{
+#if defined(XP_WIN)
+ NPAudioDeviceChangeDetails details;
+ details.flow = detailsIPC.flow;
+ details.role = detailsIPC.role;
+ details.defaultDevice = detailsIPC.defaultDevice.c_str();
+ for (auto iter = mAudioNotificationSet.ConstIter(); !iter.Done(); iter.Next()) {
+ PluginInstanceChild* pluginInst = iter.Get()->GetKey();
+ pluginInst->DefaultAudioDeviceChanged(details);
+ }
+ return true;
+#else
+ NS_RUNTIMEABORT("NPP_SetValue_NPNVaudioDeviceChangeDetails is a Windows-only message");
+ return false;
+#endif
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-10 07:01:30 +0000