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gecko-dev/dom/plugins/ipc/PluginModuleChild.cpp
Karl Tomlinson e3dc04b1c2 b=629472 revert to using NP_GetValue instead of NPPluginFuncs::getvalue for NPPVpluginDescriptionString when testing for Flash r=cjones 
--HG--
extra : transplant_source : %FBW%24%E0%DD%03%82%3E%EDA5%A0.%F8%1A%0A%AF%C9%9E%15
2011-05-02 08:33:16 +12:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: sw=4 ts=4 et : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Plugin App.
*
* The Initial Developer of the Original Code is
* Ben Turner <bent.mozilla@gmail.com>.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Chris Jones <jones.chris.g@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifdef MOZ_WIDGET_QT
#include <QtCore/QTimer>
#include "nsQAppInstance.h"
#include "NestedLoopTimer.h"
#endif
#include "mozilla/plugins/PluginModuleChild.h"
#ifdef MOZ_WIDGET_GTK2
#include <gtk/gtk.h>
#endif
#include "nsILocalFile.h"
#include "pratom.h"
#include "nsDebug.h"
#include "nsCOMPtr.h"
#include "nsPluginsDir.h"
#include "nsXULAppAPI.h"
#ifdef MOZ_X11
# include "mozilla/X11Util.h"
#endif
#include "mozilla/plugins/PluginInstanceChild.h"
#include "mozilla/plugins/StreamNotifyChild.h"
#include "mozilla/plugins/BrowserStreamChild.h"
#include "mozilla/plugins/PluginStreamChild.h"
#include "PluginIdentifierChild.h"
#include "nsNPAPIPlugin.h"
#ifdef XP_WIN
#include "COMMessageFilter.h"
#include "nsWindowsDllInterceptor.h"
#endif
#ifdef OS_MACOSX
#include "PluginInterposeOSX.h"
#include "PluginUtilsOSX.h"
#endif
using namespace mozilla::plugins;
#if defined(XP_WIN)
const PRUnichar * kFlashFullscreenClass = L"ShockwaveFlashFullScreen";
const PRUnichar * kMozillaWindowClass = L"MozillaWindowClass";
#endif
namespace {
PluginModuleChild* gInstance = nsnull;
}
#ifdef MOZ_WIDGET_QT
typedef void (*_gtk_init_fn)(int argc, char **argv);
static _gtk_init_fn s_gtk_init = nsnull;
static PRLibrary *sGtkLib = nsnull;
#endif
#ifdef XP_WIN
// 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 = NULL;
static HWND sBrowserHwnd = NULL;
#endif
PluginModuleChild::PluginModuleChild()
: mLibrary(0)
, mPluginFilename("")
, mQuirks(QUIRKS_NOT_INITIALIZED)
, mShutdownFunc(0)
, mInitializeFunc(0)
#if defined(OS_WIN) || defined(OS_MACOSX)
, mGetEntryPointsFunc(0)
#elif defined(MOZ_WIDGET_GTK2)
, mNestedLoopTimerId(0)
#elif defined(MOZ_WIDGET_QT)
, mNestedLoopTimerObject(0)
#endif
#ifdef OS_WIN
, mNestedEventHook(NULL)
, mGlobalCallWndProcHook(NULL)
#endif
{
NS_ASSERTION(!gInstance, "Something terribly wrong here!");
memset(&mFunctions, 0, sizeof(mFunctions));
memset(&mSavedData, 0, sizeof(mSavedData));
gInstance = this;
#ifdef XP_MACOSX
mac_plugin_interposing::child::SetUpCocoaInterposing();
#endif
}
PluginModuleChild::~PluginModuleChild()
{
NS_ASSERTION(gInstance == this, "Something terribly wrong here!");
if (mLibrary) {
PR_UnloadLibrary(mLibrary);
}
DeinitGraphics();
gInstance = nsnull;
}
// static
PluginModuleChild*
PluginModuleChild::current()
{
NS_ASSERTION(gInstance, "Null instance!");
return gInstance;
}
bool
PluginModuleChild::Init(const std::string& aPluginFilename,
base::ProcessHandle aParentProcessHandle,
MessageLoop* aIOLoop,
IPC::Channel* aChannel)
{
PLUGIN_LOG_DEBUG_METHOD;
#ifdef XP_WIN
COMMessageFilter::Initialize(this);
#endif
NS_ASSERTION(aChannel, "need a channel");
if (!mObjectMap.Init()) {
NS_WARNING("Failed to initialize object hashtable!");
return false;
}
if (!mStringIdentifiers.Init()) {
NS_ERROR("Failed to initialize string identifier hashtable!");
return false;
}
if (!mIntIdentifiers.Init()) {
NS_ERROR("Failed to initialize int identifier hashtable!");
return false;
}
if (!InitGraphics())
return false;
mPluginFilename = aPluginFilename.c_str();
nsCOMPtr<nsILocalFile> localFile;
NS_NewLocalFile(NS_ConvertUTF8toUTF16(mPluginFilename),
PR_TRUE,
getter_AddRefs(localFile));
PRBool exists;
localFile->Exists(&exists);
NS_ASSERTION(exists, "plugin file ain't there");
nsPluginFile pluginFile(localFile);
nsresult rv;
// Maemo flash can render with any provided rectangle and so does not
// require this quirk.
#if defined(MOZ_X11) && !defined(MOZ_PLATFORM_MAEMO)
nsPluginInfo info = nsPluginInfo();
rv = pluginFile.GetPluginInfo(info, &mLibrary);
if (NS_FAILED(rv))
return false;
NS_NAMED_LITERAL_CSTRING(flash10Head, "Shockwave Flash 10.");
if (StringBeginsWith(nsDependentCString(info.fDescription), flash10Head)) {
AddQuirk(QUIRK_FLASH_EXPOSE_COORD_TRANSLATION);
}
if (!mLibrary)
#endif
{
rv = pluginFile.LoadPlugin(&mLibrary);
NS_ASSERTION(NS_OK == rv, "trouble with mPluginFile");
}
NS_ASSERTION(mLibrary, "couldn't open shared object");
if (!Open(aChannel, aParentProcessHandle, aIOLoop))
return false;
memset((void*) &mFunctions, 0, sizeof(mFunctions));
mFunctions.size = sizeof(mFunctions);
mFunctions.version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
// TODO: use PluginPRLibrary here
#if defined(OS_LINUX)
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_GTK2)
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, NULL);
(*real_gtk_plug_dispose)(object);
g_object_remove_toggle_ref(object, undo_bogus_unref, NULL);
}
static gboolean
gtk_plug_scroll_event(GtkWidget *widget, GdkEventScroll *gdk_event)
{
if (!GTK_WIDGET_TOPLEVEL(widget)) // in same process as its GtkSocket
return FALSE; // event not handled; propagate to GtkSocket
GdkWindow* socket_window = GTK_PLUG(widget)->socket_window;
if (!socket_window)
return FALSE;
// Propagate the event to the embedder.
GdkScreen* screen = gdk_drawable_get_screen(socket_window);
GdkWindow* plug_window = widget->window;
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_WINDOW_XWINDOW(socket_window);
xevent.xbutton.root = GDK_WINDOW_XWINDOW(gdk_screen_get_root_window(screen));
xevent.xbutton.subwindow = GDK_WINDOW_XWINDOW(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 = plug->socket_window;
if (socket_window) {
if (gtk_check_version(2,18,7) != NULL // 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);
NS_ABORT_IF_FALSE(0 != pmc->mNestedLoopTimerId,
"callback after descheduling");
NS_ABORT_IF_FALSE(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,
NULL);
// cancel the nested-loop detection timer
return FALSE;
}
// static
gboolean
PluginModuleChild::ProcessBrowserEvents(gpointer data)
{
PluginModuleChild* pmc = static_cast<PluginModuleChild*>(data);
NS_ABORT_IF_FALSE(pmc->mTopLoopDepth < g_main_depth(),
"not canceled before returning to main event loop!");
pmc->CallProcessSomeEvents();
return TRUE;
}
void
PluginModuleChild::EnteredCxxStack()
{
NS_ABORT_IF_FALSE(0 == mNestedLoopTimerId,
"previous timer not descheduled");
mNestedLoopTimerId =
g_timeout_add_full(kNestedLoopDetectorPriority,
kNestedLoopDetectorIntervalMs,
PluginModuleChild::DetectNestedEventLoop,
this,
NULL);
#ifdef DEBUG
mTopLoopDepth = g_main_depth();
#endif
}
void
PluginModuleChild::ExitedCxxStack()
{
NS_ABORT_IF_FALSE(0 < mNestedLoopTimerId,
"nested loop timeout not scheduled");
g_source_remove(mNestedLoopTimerId);
mNestedLoopTimerId = 0;
}
#elif defined (MOZ_WIDGET_QT)
void
PluginModuleChild::EnteredCxxStack()
{
NS_ABORT_IF_FALSE(mNestedLoopTimerObject == NULL,
"previous timer not descheduled");
mNestedLoopTimerObject = new NestedLoopTimer(this);
QTimer::singleShot(kNestedLoopDetectorIntervalMs,
mNestedLoopTimerObject, SLOT(timeOut()));
}
void
PluginModuleChild::ExitedCxxStack()
{
NS_ABORT_IF_FALSE(mNestedLoopTimerObject != NULL,
"nested loop timeout not scheduled");
delete mNestedLoopTimerObject;
mNestedLoopTimerObject = NULL;
}
#endif
bool
PluginModuleChild::InitGraphics()
{
#if defined(MOZ_WIDGET_GTK2)
// 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;
NS_ABORT_IF_FALSE(*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;
#elif defined(MOZ_WIDGET_QT)
nsQAppInstance::AddRef();
// Work around plugins that don't interact well without gtk initialized
// see bug 566845
#if defined(MOZ_X11)
if (!sGtkLib)
sGtkLib = PR_LoadLibrary("libgtk-x11-2.0.so.0");
#elif defined(MOZ_DFB)
if (!sGtkLib)
sGtkLib = PR_LoadLibrary("libgtk-directfb-2.0.so.0");
#endif
if (sGtkLib) {
s_gtk_init = (_gtk_init_fn)PR_FindFunctionSymbol(sGtkLib, "gtk_init");
if (s_gtk_init)
s_gtk_init(0, 0);
}
#else
// may not be necessary on all platforms
#endif
#ifdef MOZ_X11
// Do this after initializing GDK, or GDK will install its own handler.
XRE_InstallX11ErrorHandler();
#endif
return true;
}
void
PluginModuleChild::DeinitGraphics()
{
#ifdef MOZ_WIDGET_QT
nsQAppInstance::Release();
if (sGtkLib) {
PR_UnloadLibrary(sGtkLib);
sGtkLib = nsnull;
s_gtk_init = nsnull;
}
#endif
#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
}
bool
PluginModuleChild::AnswerNP_Shutdown(NPError *rv)
{
AssertPluginThread();
// the PluginModuleParent shuts down this process after this RPC
// call pops off its stack
*rv = mShutdownFunc ? mShutdownFunc() : NPERR_NO_ERROR;
// weakly guard against re-entry after NP_Shutdown
memset(&mFunctions, 0, sizeof(mFunctions));
#ifdef OS_WIN
ResetEventHooks();
#endif
return true;
}
bool
PluginModuleChild::AnswerOptionalFunctionsSupported(bool *aURLRedirectNotify,
bool *aClearSiteData,
bool *aGetSitesWithData)
{
*aURLRedirectNotify = !!mFunctions.urlredirectnotify;
*aClearSiteData = !!mFunctions.clearsitedata;
*aGetSitesWithData = !!mFunctions.getsiteswithdata;
return true;
}
bool
PluginModuleChild::AnswerNPP_ClearSiteData(const nsCString& aSite,
const uint64_t& aFlags,
const uint64_t& aMaxAge,
NPError* aResult)
{
*aResult =
mFunctions.clearsitedata(NullableStringGet(aSite), aFlags, aMaxAge);
return true;
}
bool
PluginModuleChild::AnswerNPP_GetSitesWithData(InfallibleTArray<nsCString>* aResult)
{
char** result = mFunctions.getsiteswithdata();
if (!result)
return true;
char** iterator = result;
while (*iterator) {
aResult->AppendElement(*iterator);
NS_Free(*iterator);
++iterator;
}
NS_Free(result);
return true;
}
void
PluginModuleChild::QuickExit()
{
NS_WARNING("plugin process _exit()ing");
_exit(0);
}
void
PluginModuleChild::ActorDestroy(ActorDestroyReason why)
{
if (AbnormalShutdown == why) {
NS_WARNING("shutting down early because of crash!");
QuickExit();
}
// 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()
{
if (!CallNPN_UserAgent(&mUserAgent))
return NULL;
return NullableStringGet(mUserAgent);
}
bool
PluginModuleChild::RegisterActorForNPObject(NPObject* aObject,
PluginScriptableObjectChild* aActor)
{
AssertPluginThread();
NS_ASSERTION(mObjectMap.IsInitialized(), "Not initialized!");
NS_ASSERTION(aObject && aActor, "Null pointer!");
NPObjectData* d = mObjectMap.GetEntry(aObject);
if (!d) {
NS_ERROR("NPObject not in object table");
return false;
}
d->actor = aActor;
return true;
}
void
PluginModuleChild::UnregisterActorForNPObject(NPObject* aObject)
{
AssertPluginThread();
NS_ASSERTION(mObjectMap.IsInitialized(), "Not initialized!");
NS_ASSERTION(aObject, "Null pointer!");
mObjectMap.GetEntry(aObject)->actor = NULL;
}
PluginScriptableObjectChild*
PluginModuleChild::GetActorForNPObject(NPObject* aObject)
{
AssertPluginThread();
NS_ASSERTION(mObjectMap.IsInitialized(), "Not initialized!");
NS_ASSERTION(aObject, "Null pointer!");
NPObjectData* d = mObjectMap.GetEntry(aObject);
if (!d) {
NS_ERROR("Plugin using object not created with NPN_CreateObject?");
return NULL;
}
return d->actor;
}
#ifdef DEBUG
bool
PluginModuleChild::NPObjectIsRegistered(NPObject* aObject)
{
return !!mObjectMap.GetEntry(aObject);
}
#endif
//-----------------------------------------------------------------------------
// FIXME/cjones: just getting this out of the way for the moment ...
namespace mozilla {
namespace plugins {
namespace child {
static NPError NP_CALLBACK
_requestread(NPStream *pstream, NPByteRange *rangeList);
static NPError NP_CALLBACK
_geturlnotify(NPP aNPP, const char* relativeURL, const char* target,
void* notifyData);
static NPError NP_CALLBACK
_getvalue(NPP aNPP, NPNVariable variable, void *r_value);
static NPError NP_CALLBACK
_setvalue(NPP aNPP, NPPVariable variable, void *r_value);
static NPError NP_CALLBACK
_geturl(NPP aNPP, const char* relativeURL, const char* target);
static NPError NP_CALLBACK
_posturlnotify(NPP aNPP, const char* relativeURL, const char *target,
uint32_t len, const char *buf, NPBool file, void* notifyData);
static NPError NP_CALLBACK
_posturl(NPP aNPP, const char* relativeURL, const char *target, uint32_t len,
const char *buf, NPBool file);
static NPError NP_CALLBACK
_newstream(NPP aNPP, NPMIMEType type, const char* window, NPStream** pstream);
static int32_t NP_CALLBACK
_write(NPP aNPP, NPStream *pstream, int32_t len, void *buffer);
static NPError NP_CALLBACK
_destroystream(NPP aNPP, NPStream *pstream, NPError reason);
static void NP_CALLBACK
_status(NPP aNPP, const char *message);
static void NP_CALLBACK
_memfree (void *ptr);
static uint32_t NP_CALLBACK
_memflush(uint32_t size);
static void NP_CALLBACK
_reloadplugins(NPBool reloadPages);
static void NP_CALLBACK
_invalidaterect(NPP aNPP, NPRect *invalidRect);
static void NP_CALLBACK
_invalidateregion(NPP aNPP, NPRegion invalidRegion);
static void NP_CALLBACK
_forceredraw(NPP aNPP);
static const char* NP_CALLBACK
_useragent(NPP aNPP);
static void* NP_CALLBACK
_memalloc (uint32_t size);
// Deprecated entry points for the old Java plugin.
static void* NP_CALLBACK /* OJI type: JRIEnv* */
_getjavaenv(void);
// Deprecated entry points for the old Java plugin.
static void* NP_CALLBACK /* OJI type: jref */
_getjavapeer(NPP aNPP);
static bool NP_CALLBACK
_invoke(NPP aNPP, NPObject* npobj, NPIdentifier method, const NPVariant *args,
uint32_t argCount, NPVariant *result);
static bool NP_CALLBACK
_invokedefault(NPP aNPP, NPObject* npobj, const NPVariant *args,
uint32_t argCount, NPVariant *result);
static bool NP_CALLBACK
_evaluate(NPP aNPP, NPObject* npobj, NPString *script, NPVariant *result);
static bool NP_CALLBACK
_getproperty(NPP aNPP, NPObject* npobj, NPIdentifier property,
NPVariant *result);
static bool NP_CALLBACK
_setproperty(NPP aNPP, NPObject* npobj, NPIdentifier property,
const NPVariant *value);
static bool NP_CALLBACK
_removeproperty(NPP aNPP, NPObject* npobj, NPIdentifier property);
static bool NP_CALLBACK
_hasproperty(NPP aNPP, NPObject* npobj, NPIdentifier propertyName);
static bool NP_CALLBACK
_hasmethod(NPP aNPP, NPObject* npobj, NPIdentifier methodName);
static bool NP_CALLBACK
_enumerate(NPP aNPP, NPObject *npobj, NPIdentifier **identifier,
uint32_t *count);
static bool NP_CALLBACK
_construct(NPP aNPP, NPObject* npobj, const NPVariant *args,
uint32_t argCount, NPVariant *result);
static void NP_CALLBACK
_releasevariantvalue(NPVariant *variant);
static void NP_CALLBACK
_setexception(NPObject* npobj, const NPUTF8 *message);
static void NP_CALLBACK
_pushpopupsenabledstate(NPP aNPP, NPBool enabled);
static void NP_CALLBACK
_poppopupsenabledstate(NPP aNPP);
static void NP_CALLBACK
_pluginthreadasynccall(NPP instance, PluginThreadCallback func,
void *userData);
static NPError NP_CALLBACK
_getvalueforurl(NPP npp, NPNURLVariable variable, const char *url,
char **value, uint32_t *len);
static NPError NP_CALLBACK
_setvalueforurl(NPP npp, NPNURLVariable variable, const char *url,
const char *value, uint32_t len);
static NPError NP_CALLBACK
_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 NP_CALLBACK
_scheduletimer(NPP instance, uint32_t interval, NPBool repeat,
void (*timerFunc)(NPP npp, uint32_t timerID));
static void NP_CALLBACK
_unscheduletimer(NPP instance, uint32_t timerID);
static NPError NP_CALLBACK
_popupcontextmenu(NPP instance, NPMenu* menu);
static NPBool NP_CALLBACK
_convertpoint(NPP instance,
double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
double *destX, double *destY, NPCoordinateSpace destSpace);
static void NP_CALLBACK
_urlredirectresponse(NPP instance, void* notifyData, NPBool allow);
} /* 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,
NULL, // handleevent, unimplemented
NULL, // unfocusinstance, unimplemented
mozilla::plugins::child::_urlredirectresponse
};
PluginInstanceChild*
InstCast(NPP aNPP)
{
NS_ABORT_IF_FALSE(!!(aNPP->ndata), "nil instance");
return static_cast<PluginInstanceChild*>(aNPP->ndata);
}
namespace mozilla {
namespace plugins {
namespace child {
NPError NP_CALLBACK
_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 NP_CALLBACK
_geturlnotify(NPP aNPP,
const char* aRelativeURL,
const char* aTarget,
void* aNotifyData)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD(NPERR_INVALID_PARAM);
if (!aNPP) // NULL 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 NP_CALLBACK
_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_GTK2) || defined(MOZ_WIDGET_QT)
*static_cast<NPNToolkitType*>(aValue) = NPNVGtk2;
return NPERR_NO_ERROR;
#endif
return NPERR_GENERIC_ERROR;
case NPNVjavascriptEnabledBool: // Intentional fall-through
case NPNVasdEnabledBool: // Intentional fall-through
case NPNVisOfflineBool: // Intentional fall-through
case NPNVSupportsXEmbedBool: // Intentional fall-through
case NPNVSupportsWindowless: // Intentional fall-through
case NPNVprivateModeBool: {
NPError result;
bool value;
PluginModuleChild::current()->
CallNPN_GetValue_WithBoolReturn(aVariable, &result, &value);
*(NPBool*)aValue = value ? true : false;
return result;
}
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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_status(NPP aNPP,
const char* aMessage)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD_VOID();
NS_WARNING("Not yet implemented!");
}
void NP_CALLBACK
_memfree(void* aPtr)
{
PLUGIN_LOG_DEBUG_FUNCTION;
// Only assert plugin thread here for consistency with in-process plugins.
AssertPluginThread();
NS_Free(aPtr);
}
uint32_t NP_CALLBACK
_memflush(uint32_t aSize)
{
PLUGIN_LOG_DEBUG_FUNCTION;
// Only assert plugin thread here for consistency with in-process plugins.
AssertPluginThread();
return 0;
}
void NP_CALLBACK
_reloadplugins(NPBool aReloadPages)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD_VOID();
NS_WARNING("Not yet implemented!");
}
void NP_CALLBACK
_invalidaterect(NPP aNPP,
NPRect* aInvalidRect)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD_VOID();
// NULL check for nspluginwrapper (bug 548434)
if (aNPP) {
InstCast(aNPP)->InvalidateRect(aInvalidRect);
}
}
void NP_CALLBACK
_invalidateregion(NPP aNPP,
NPRegion aInvalidRegion)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD_VOID();
NS_WARNING("Not yet implemented!");
}
void NP_CALLBACK
_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* NP_CALLBACK
_useragent(NPP aNPP)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD(nsnull);
return PluginModuleChild::current()->GetUserAgent();
}
void* NP_CALLBACK
_memalloc(uint32_t aSize)
{
PLUGIN_LOG_DEBUG_FUNCTION;
// Only assert plugin thread here for consistency with in-process plugins.
AssertPluginThread();
return NS_Alloc(aSize);
}
// Deprecated entry points for the old Java plugin.
void* NP_CALLBACK /* OJI type: JRIEnv* */
_getjavaenv(void)
{
PLUGIN_LOG_DEBUG_FUNCTION;
return 0;
}
void* NP_CALLBACK /* OJI type: jref */
_getjavapeer(NPP aNPP)
{
PLUGIN_LOG_DEBUG_FUNCTION;
return 0;
}
bool NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_setexception(NPObject* aNPObj,
const NPUTF8* aMessage)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD_VOID();
NS_WARNING("Not yet implemented!");
}
void NP_CALLBACK
_pushpopupsenabledstate(NPP aNPP,
NPBool aEnabled)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD_VOID();
InstCast(aNPP)->CallNPN_PushPopupsEnabledState(aEnabled ? true : false);
}
void NP_CALLBACK
_poppopupsenabledstate(NPP aNPP)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD_VOID();
InstCast(aNPP)->CallNPN_PopPopupsEnabledState();
}
void NP_CALLBACK
_pluginthreadasynccall(NPP aNPP,
PluginThreadCallback aFunc,
void* aUserData)
{
PLUGIN_LOG_DEBUG_FUNCTION;
if (!aFunc)
return;
InstCast(aNPP)->AsyncCall(aFunc, aUserData);
}
NPError NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_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 NP_CALLBACK
_popupcontextmenu(NPP instance, NPMenu* menu)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
#ifdef OS_MACOSX
double pluginX, pluginY;
double screenX, screenY;
const NPCocoaEvent* currentEvent = InstCast(instance)->getCurrentEvent();
if (!currentEvent) {
return NPERR_GENERIC_ERROR;
}
// Ensure that the events has an x/y value.
if (currentEvent->type != NPCocoaEventMouseDown &&
currentEvent->type != NPCocoaEventMouseUp &&
currentEvent->type != NPCocoaEventMouseMoved &&
currentEvent->type != NPCocoaEventMouseEntered &&
currentEvent->type != NPCocoaEventMouseExited &&
currentEvent->type != NPCocoaEventMouseDragged) {
return NPERR_GENERIC_ERROR;
}
pluginX = currentEvent->data.mouse.pluginX;
pluginY = currentEvent->data.mouse.pluginY;
if ((pluginX < 0.0) || (pluginY < 0.0))
return NPERR_GENERIC_ERROR;
NPBool success = _convertpoint(instance,
pluginX, pluginY, NPCoordinateSpacePlugin,
&screenX, &screenY, NPCoordinateSpaceScreen);
if (success) {
return mozilla::plugins::PluginUtilsOSX::ShowCocoaContextMenu(menu,
screenX, screenY,
PluginModuleChild::current(),
ProcessBrowserEvents);
} else {
NS_WARNING("Convertpoint failed, could not created contextmenu.");
return NPERR_GENERIC_ERROR;
}
#else
NS_WARNING("Not supported on this platform!");
return NPERR_GENERIC_ERROR;
#endif
}
NPBool NP_CALLBACK
_convertpoint(NPP instance,
double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
double *destX, double *destY, NPCoordinateSpace destSpace)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
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 NP_CALLBACK
_urlredirectresponse(NPP instance, void* notifyData, NPBool allow)
{
InstCast(instance)->NPN_URLRedirectResponse(notifyData, allow);
}
} /* namespace child */
} /* namespace plugins */
} /* namespace mozilla */
//-----------------------------------------------------------------------------
bool
PluginModuleChild::AnswerNP_GetEntryPoints(NPError* _retval)
{
PLUGIN_LOG_DEBUG_METHOD;
AssertPluginThread();
#if defined(OS_LINUX)
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(NativeThreadId* tid, NPError* _retval)
{
PLUGIN_LOG_DEBUG_METHOD;
AssertPluginThread();
#ifdef MOZ_CRASHREPORTER
*tid = CrashReporter::CurrentThreadId();
#else
*tid = 0;
#endif
#ifdef OS_WIN
SetEventHooks();
#endif
#ifdef MOZ_X11
// Send the parent a dup of our X socket, to act as a proxy
// reference for our X resources
int xSocketFd = ConnectionNumber(DefaultXDisplay());
SendBackUpXResources(FileDescriptor(xSocketFd, false/*don't close*/));
#endif
#if defined(OS_LINUX)
*_retval = mInitializeFunc(&sBrowserFuncs, &mFunctions);
return true;
#elif defined(OS_WIN) || defined(OS_MACOSX)
*_retval = mInitializeFunc(&sBrowserFuncs);
return true;
#else
# error Please implement me for your platform
#endif
}
PPluginIdentifierChild*
PluginModuleChild::AllocPPluginIdentifier(const nsCString& aString,
const int32_t& aInt)
{
// There's a possibility that we already have an actor that wraps the same
// string or int because we do all this identifier construction
// asynchronously. Check to see if we've already wrapped here, and then set
// canonical actor of the new one to the actor already in our hash.
PluginIdentifierChild* newActor;
PluginIdentifierChild* existingActor;
if (aString.IsVoid()) {
newActor = new PluginIdentifierChildInt(aInt);
if (mIntIdentifiers.Get(aInt, &existingActor))
newActor->SetCanonicalIdentifier(existingActor);
else
mIntIdentifiers.Put(aInt, newActor);
}
else {
newActor = new PluginIdentifierChildString(aString);
if (mStringIdentifiers.Get(aString, &existingActor))
newActor->SetCanonicalIdentifier(existingActor);
else
mStringIdentifiers.Put(aString, newActor);
}
return newActor;
}
bool
PluginModuleChild::DeallocPPluginIdentifier(PPluginIdentifierChild* aActor)
{
delete aActor;
return true;
}
#if defined(XP_WIN)
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) {
PRUnichar szClass[20];
if (GetClassNameW(hWnd, szClass, NS_ARRAY_LENGTH(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;
}
#endif
PPluginInstanceChild*
PluginModuleChild::AllocPPluginInstance(const nsCString& aMimeType,
const uint16_t& aMode,
const InfallibleTArray<nsCString>& aNames,
const InfallibleTArray<nsCString>& aValues,
NPError* rv)
{
PLUGIN_LOG_DEBUG_METHOD;
AssertPluginThread();
InitQuirksModes(aMimeType);
#ifdef XP_WIN
if (mQuirks & QUIRK_FLASH_HOOK_GETWINDOWINFO) {
sUser32Intercept.Init("user32.dll");
sUser32Intercept.AddHook("GetWindowInfo", reinterpret_cast<intptr_t>(PMCGetWindowInfoHook),
(void**) &sGetWindowInfoPtrStub);
}
#endif
nsAutoPtr<PluginInstanceChild> childInstance(
new PluginInstanceChild(&mFunctions));
if (!childInstance->Initialize()) {
*rv = NPERR_GENERIC_ERROR;
return 0;
}
return childInstance.forget();
}
void
PluginModuleChild::InitQuirksModes(const nsCString& aMimeType)
{
if (mQuirks != QUIRKS_NOT_INITIALIZED)
return;
mQuirks = 0;
// application/x-silverlight
// application/x-silverlight-2
NS_NAMED_LITERAL_CSTRING(silverlight, "application/x-silverlight");
if (FindInReadable(silverlight, aMimeType)) {
mQuirks |= QUIRK_SILVERLIGHT_DEFAULT_TRANSPARENT;
#ifdef OS_WIN
mQuirks |= QUIRK_WINLESS_TRACKPOPUP_HOOK;
#endif
}
#ifdef OS_WIN
// application/x-shockwave-flash
NS_NAMED_LITERAL_CSTRING(flash, "application/x-shockwave-flash");
if (FindInReadable(flash, aMimeType)) {
mQuirks |= QUIRK_WINLESS_TRACKPOPUP_HOOK;
mQuirks |= QUIRK_FLASH_THROTTLE_WMUSER_EVENTS;
mQuirks |= QUIRK_FLASH_HOOK_SETLONGPTR;
mQuirks |= QUIRK_FLASH_HOOK_GETWINDOWINFO;
mQuirks |= QUIRK_FLASH_FIXUP_MOUSE_CAPTURE;
}
// QuickTime plugin usually loaded with audio/mpeg mimetype
NS_NAMED_LITERAL_CSTRING(quicktime, "npqtplugin");
if (FindInReadable(quicktime, mPluginFilename)) {
mQuirks |= QUIRK_QUICKTIME_AVOID_SETWINDOW;
}
#endif
}
bool
PluginModuleChild::AnswerPPluginInstanceConstructor(PPluginInstanceChild* aActor,
const nsCString& aMimeType,
const uint16_t& aMode,
const InfallibleTArray<nsCString>& aNames,
const InfallibleTArray<nsCString>& aValues,
NPError* rv)
{
PLUGIN_LOG_DEBUG_METHOD;
AssertPluginThread();
PluginInstanceChild* childInstance =
reinterpret_cast<PluginInstanceChild*>(aActor);
NS_ASSERTION(childInstance, "Null actor!");
// unpack the arguments into a C format
int argc = aNames.Length();
NS_ASSERTION(argc == (int) aValues.Length(),
"argn.length != argv.length");
nsAutoArrayPtr<char*> argn(new char*[1 + argc]);
nsAutoArrayPtr<char*> argv(new char*[1 + argc]);
argn[argc] = 0;
argv[argc] = 0;
for (int i = 0; i < argc; ++i) {
argn[i] = const_cast<char*>(NullableStringGet(aNames[i]));
argv[i] = const_cast<char*>(NullableStringGet(aValues[i]));
}
NPP npp = childInstance->GetNPP();
// FIXME/cjones: use SAFE_CALL stuff
*rv = mFunctions.newp((char*)NullableStringGet(aMimeType),
npp,
aMode,
argc,
argn,
argv,
0);
if (NPERR_NO_ERROR != *rv) {
return false;
}
#if defined(XP_MACOSX) && defined(__i386__)
// If an i386 Mac OS X plugin has selected the Carbon event model then
// we have to fail. We do not support putting Carbon event model plugins
// out of process. Note that Carbon is the default model so out of process
// plugins need to actively negotiate something else in order to work
// out of process.
if (childInstance->EventModel() == NPEventModelCarbon) {
// Send notification that a plugin tried to negotiate Carbon NPAPI so that
// users can be notified that restarting the browser in i386 mode may allow
// them to use the plugin.
childInstance->SendNegotiatedCarbon();
// Fail to instantiate.
*rv = NPERR_MODULE_LOAD_FAILED_ERROR;
}
#endif
return true;
}
bool
PluginModuleChild::DeallocPPluginInstance(PPluginInstanceChild* aActor)
{
PLUGIN_LOG_DEBUG_METHOD;
AssertPluginThread();
delete aActor;
return true;
}
NPObject* NP_CALLBACK
PluginModuleChild::NPN_CreateObject(NPP aNPP, NPClass* aClass)
{
PLUGIN_LOG_DEBUG_FUNCTION;
ENSURE_PLUGIN_THREAD(nsnull);
PluginInstanceChild* i = InstCast(aNPP);
if (i->mDeletingHash) {
NS_ERROR("Plugin used NPP after NPP_Destroy");
return NULL;
}
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));
}
NPObjectData* d = static_cast<PluginModuleChild*>(i->Manager())
->mObjectMap.PutEntry(newObject);
NS_ASSERTION(!d->instance, "New NPObject already mapped?");
d->instance = i;
return newObject;
}
NPObject* NP_CALLBACK
PluginModuleChild::NPN_RetainObject(NPObject* aNPObj)
{
AssertPluginThread();
int32_t refCnt = PR_ATOMIC_INCREMENT((int32_t*)&aNPObj->referenceCount);
NS_LOG_ADDREF(aNPObj, refCnt, "NPObject", sizeof(NPObject));
return aNPObj;
}
void NP_CALLBACK
PluginModuleChild::NPN_ReleaseObject(NPObject* aNPObj)
{
AssertPluginThread();
NPObjectData* d = current()->mObjectMap.GetEntry(aNPObj);
if (!d) {
NS_ERROR("Releasing object not in mObjectMap?");
return;
}
DeletingObjectEntry* doe = NULL;
if (d->instance->mDeletingHash) {
doe = d->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);
}
NPObjectData* d = current()->mObjectMap.GetEntry(aNPObj);
if (d->actor)
d->actor->NPObjectDestroyed();
current()->mObjectMap.RemoveEntry(aNPObj);
}
void
PluginModuleChild::FindNPObjectsForInstance(PluginInstanceChild* instance)
{
NS_ASSERTION(instance->mDeletingHash, "filling null mDeletingHash?");
mObjectMap.EnumerateEntries(CollectForInstance, instance);
}
PLDHashOperator
PluginModuleChild::CollectForInstance(NPObjectData* d, void* userArg)
{
PluginInstanceChild* instance = static_cast<PluginInstanceChild*>(userArg);
if (d->instance == instance) {
NPObject* o = d->GetKey();
instance->mDeletingHash->PutEntry(o);
}
return PL_DHASH_NEXT;
}
NPIdentifier NP_CALLBACK
PluginModuleChild::NPN_GetStringIdentifier(const NPUTF8* aName)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
if (!aName)
return 0;
PluginModuleChild* self = PluginModuleChild::current();
nsDependentCString name(aName);
PluginIdentifierChild* ident;
if (!self->mStringIdentifiers.Get(name, &ident)) {
nsCString nameCopy(name);
ident = new PluginIdentifierChildString(nameCopy);
self->SendPPluginIdentifierConstructor(ident, nameCopy, -1);
self->mStringIdentifiers.Put(nameCopy, ident);
}
return ident;
}
void NP_CALLBACK
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!");
}
PluginModuleChild* self = PluginModuleChild::current();
for (int32_t index = 0; index < aNameCount; ++index) {
if (!aNames[index]) {
aIdentifiers[index] = 0;
continue;
}
nsDependentCString name(aNames[index]);
PluginIdentifierChild* ident;
if (!self->mStringIdentifiers.Get(name, &ident)) {
nsCString nameCopy(name);
ident = new PluginIdentifierChildString(nameCopy);
self->SendPPluginIdentifierConstructor(ident, nameCopy, -1);
self->mStringIdentifiers.Put(nameCopy, ident);
}
aIdentifiers[index] = ident;
}
}
bool NP_CALLBACK
PluginModuleChild::NPN_IdentifierIsString(NPIdentifier aIdentifier)
{
PLUGIN_LOG_DEBUG_FUNCTION;
PluginIdentifierChild* ident =
static_cast<PluginIdentifierChild*>(aIdentifier);
return ident->IsString();
}
NPIdentifier NP_CALLBACK
PluginModuleChild::NPN_GetIntIdentifier(int32_t aIntId)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
PluginModuleChild* self = PluginModuleChild::current();
PluginIdentifierChild* ident;
if (!self->mIntIdentifiers.Get(aIntId, &ident)) {
nsCString voidString;
voidString.SetIsVoid(PR_TRUE);
ident = new PluginIdentifierChildInt(aIntId);
self->SendPPluginIdentifierConstructor(ident, voidString, aIntId);
self->mIntIdentifiers.Put(aIntId, ident);
}
return ident;
}
NPUTF8* NP_CALLBACK
PluginModuleChild::NPN_UTF8FromIdentifier(NPIdentifier aIdentifier)
{
PLUGIN_LOG_DEBUG_FUNCTION;
if (static_cast<PluginIdentifierChild*>(aIdentifier)->IsString()) {
return static_cast<PluginIdentifierChildString*>(aIdentifier)->ToString();
}
return nsnull;
}
int32_t NP_CALLBACK
PluginModuleChild::NPN_IntFromIdentifier(NPIdentifier aIdentifier)
{
PLUGIN_LOG_DEBUG_FUNCTION;
if (!static_cast<PluginIdentifierChild*>(aIdentifier)->IsString()) {
return static_cast<PluginIdentifierChildInt*>(aIdentifier)->ToInt();
}
return PR_INT32_MIN;
}
#ifdef OS_WIN
void
PluginModuleChild::EnteredCall()
{
mIncallPumpingStack.AppendElement();
}
void
PluginModuleChild::ExitedCall()
{
NS_ASSERTION(mIncallPumpingStack.Length(), "mismatched entered/exited");
PRUint32 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(NULL)&(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.
PRUnichar szClass[26];
if (GetClassNameW(pCwp->hwnd, szClass,
sizeof(szClass)/sizeof(PRUnichar)) &&
!wcscmp(szClass, kFlashFullscreenClass)) {
gDelayFlashFocusReplyUntilEval = true;
}
}
}
return CallNextHookEx(NULL, nCode, wParam, lParam);
}
LRESULT CALLBACK
PluginModuleChild::NestedInputEventHook(int nCode, WPARAM wParam, LPARAM lParam)
{
PluginModuleChild* self = current();
PRUint32 len = self->mIncallPumpingStack.Length();
if (nCode >= 0 && len && !self->mIncallPumpingStack[len - 1]._spinning) {
self->SendProcessNativeEventsInRPCCall();
IncallFrame& f = self->mIncallPumpingStack[len - 1];
f._spinning = true;
MessageLoop* loop = MessageLoop::current();
f._savedNestableTasksAllowed = loop->NestableTasksAllowed();
loop->SetNestableTasksAllowed(true);
}
return CallNextHookEx(NULL, 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,
NULL,
GetCurrentThreadId());
// WH_CALLWNDPROC event hook for trapping sync messages sent from
// parent that can cause deadlocks.
mGlobalCallWndProcHook = SetWindowsHookEx(WH_CALLWNDPROC,
CallWindowProcHook,
NULL,
GetCurrentThreadId());
}
void
PluginModuleChild::ResetEventHooks()
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
if (mNestedEventHook)
UnhookWindowsHookEx(mNestedEventHook);
mNestedEventHook = NULL;
if (mGlobalCallWndProcHook)
UnhookWindowsHookEx(mGlobalCallWndProcHook);
mGlobalCallWndProcHook = NULL;
}
#endif
#ifdef OS_MACOSX
void
PluginModuleChild::ProcessNativeEvents() {
CallProcessSomeEvents();
}
#endif
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