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gecko/dom/plugins/PluginModuleChild.cpp

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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 <QApplication>
#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"
#include "mozilla/plugins/PluginInstanceChild.h"
#include "mozilla/plugins/StreamNotifyChild.h"
#include "mozilla/plugins/BrowserStreamChild.h"
#include "mozilla/plugins/PluginStreamChild.h"
#include "mozilla/plugins/PluginThreadChild.h"
#include "nsNPAPIPlugin.h"
using mozilla::ipc::NPRemoteIdentifier;
using namespace mozilla::plugins;
namespace {
PluginModuleChild* gInstance = nsnull;
#ifdef MOZ_WIDGET_QT
static QApplication *gQApp = nsnull;
#endif
}
PluginModuleChild::PluginModuleChild() :
mLibrary(0),
mInitializeFunc(0),
mShutdownFunc(0)
#ifdef OS_WIN
, mGetEntryPointsFunc(0)
#elif defined(MOZ_WIDGET_GTK2)
, mNestedLoopTimerId(0)
#endif
{
NS_ASSERTION(!gInstance, "Something terribly wrong here!");
memset(&mFunctions, 0, sizeof(mFunctions));
memset(&mSavedData, 0, sizeof(mSavedData));
gInstance = this;
}
PluginModuleChild::~PluginModuleChild()
{
NS_ASSERTION(gInstance == this, "Something terribly wrong here!");
if (mLibrary) {
PR_UnloadLibrary(mLibrary);
}
#ifdef MOZ_WIDGET_QT
if (gQApp)
delete gQApp;
gQApp = nsnull;
#endif
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;
NS_ASSERTION(aChannel, "need a channel");
if (!mObjectMap.Init()) {
NS_WARNING("Failed to initialize object hashtable!");
return false;
}
if (!InitGraphics())
return false;
nsCString filename;
filename = aPluginFilename.c_str();
nsCOMPtr<nsILocalFile> pluginFile;
NS_NewNativeLocalFile(filename,
PR_TRUE,
getter_AddRefs(pluginFile));
PRBool exists;
pluginFile->Exists(&exists);
NS_ASSERTION(exists, "plugin file ain't there");
nsCOMPtr<nsIFile> pluginIfile;
pluginIfile = do_QueryInterface(pluginFile);
nsPluginFile lib(pluginIfile);
nsresult rv = lib.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);
// 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)
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);
#elif defined(OS_MACOSX)
# warning IMPLEMENT ME
#else
# error Please copy the initialization code from nsNPAPIPlugin.cpp
#endif
return true;
}
#if defined(MOZ_WIDGET_GTK2)
typedef void (*GObjectDisposeFn)(GObject*);
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 void
wrap_gtk_plug_embedded(GtkPlug* plug) {
GdkWindow* socket_window = plug->socket_window;
if (socket_window &&
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);
}
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(1 < 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)
{
NS_ABORT_IF_FALSE(1 < g_main_depth(),
"not canceled before returning to main event loop!");
PluginModuleChild* pmc = static_cast<PluginModuleChild*>(data);
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);
}
void
PluginModuleChild::ExitedCxxStack()
{
NS_ABORT_IF_FALSE(0 < mNestedLoopTimerId,
"nested loop timeout not scheduled");
g_source_remove(mNestedLoopTimerId);
mNestedLoopTimerId = 0;
}
#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;
GtkPlugEmbeddedFn* embedded = &GTK_PLUG_CLASS(gtk_plug_class)->embedded;
real_gtk_plug_embedded = *embedded;
*embedded = wrap_gtk_plug_embedded;
#elif defined(MOZ_WIDGET_QT)
if (!qApp)
gQApp = new QApplication(0, NULL);
#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;
}
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));
return true;
}
void
PluginModuleChild::ActorDestroy(ActorDestroyReason why)
{
// 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 NPIdentifier NP_CALLBACK
_getstringidentifier(const NPUTF8* name);
static void NP_CALLBACK
_getstringidentifiers(const NPUTF8** names, int32_t nameCount,
NPIdentifier *identifiers);
static bool NP_CALLBACK
_identifierisstring(NPIdentifier identifiers);
static NPIdentifier NP_CALLBACK
_getintidentifier(int32_t intid);
static NPUTF8* NP_CALLBACK
_utf8fromidentifier(NPIdentifier identifier);
static int32_t NP_CALLBACK
_intfromidentifier(NPIdentifier identifier);
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 bool NP_CALLBACK
_pushpopupsenabledstate(NPP aNPP, NPBool enabled);
static bool 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);
} /* 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,
mozilla::plugins::child::_getstringidentifier,
mozilla::plugins::child::_getstringidentifiers,
mozilla::plugins::child::_getintidentifier,
mozilla::plugins::child::_identifierisstring,
mozilla::plugins::child::_utf8fromidentifier,
mozilla::plugins::child::_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
};
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
switch (aVariable) {
// Copied from nsNPAPIPlugin.cpp
case NPNVToolkit:
#ifdef MOZ_WIDGET_GTK2
*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;
AssertPluginThread();
return InstCast(aNPP)->NPN_SetValue(aVariable, aValue);
}
NPError NP_CALLBACK
_geturl(NPP aNPP,
const char* aRelativeURL,
const char* aTarget)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
PluginInstanceChild* p = InstCast(aNPP);
AStream* s = static_cast<AStream*>(aStream->ndata);
if (s->IsBrowserStream()) {
BrowserStreamChild* bs = static_cast<BrowserStreamChild*>(s);
bs->EnsureCorrectInstance(p);
NPError err = NPERR_NO_ERROR;
bs->CallNPN_DestroyStream(aReason, &err);
return err;
}
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;
AssertPluginThread();
}
void NP_CALLBACK
_memfree(void* aPtr)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
NS_Free(aPtr);
}
uint32_t NP_CALLBACK
_memflush(uint32_t aSize)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
return 0;
}
void NP_CALLBACK
_reloadplugins(NPBool aReloadPages)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
}
void NP_CALLBACK
_invalidaterect(NPP aNPP,
NPRect* aInvalidRect)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
// NULL check for nspluginwrapper (bug 548434)
if (aNPP) {
InstCast(aNPP)->InvalidateRect(aInvalidRect);
}
}
void NP_CALLBACK
_invalidateregion(NPP aNPP,
NPRegion aInvalidRegion)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
// Not implemented in Mozilla.
}
void NP_CALLBACK
_forceredraw(NPP aNPP)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
}
const char* NP_CALLBACK
_useragent(NPP aNPP)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
return PluginModuleChild::current()->GetUserAgent();
}
void* NP_CALLBACK
_memalloc(uint32_t aSize)
{
PLUGIN_LOG_DEBUG_FUNCTION;
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;
AssertPluginThread();
return 0;
}
void* NP_CALLBACK /* OJI type: jref */
_getjavapeer(NPP aNPP)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
return 0;
}
NPIdentifier NP_CALLBACK
_getstringidentifier(const NPUTF8* aName)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
NPRemoteIdentifier ident = 0;
if (aName)
PluginModuleChild::current()->
SendNPN_GetStringIdentifier(nsDependentCString(aName), &ident);
return (NPIdentifier)ident;
}
void NP_CALLBACK
_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!");
}
// Initialize to zero in case of errors later
for (int32_t index = 0; index < aNameCount; ++index)
aIdentifiers[index] = 0;
nsTArray<nsCString> names;
nsTArray<NPRemoteIdentifier> ids;
names.SetLength(aNameCount);
for (int32_t index = 0; index < aNameCount; ++index) {
if (aNames[index]) {
names[index] = nsDependentCString(aNames[index]);
}
else {
names[index].SetIsVoid(true);
}
}
PluginModuleChild::current()->
SendNPN_GetStringIdentifiers(names, &ids);
for (int32_t index = 0; index < ids.Length(); ++index)
aIdentifiers[index] = (NPIdentifier)ids[index];
}
bool NP_CALLBACK
_identifierisstring(NPIdentifier aIdentifier)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
bool isString;
if (!PluginModuleChild::current()->
SendNPN_IdentifierIsString((NPRemoteIdentifier)aIdentifier,
&isString)) {
NS_WARNING("Failed to send message!");
isString = false;
}
return isString;
}
NPIdentifier NP_CALLBACK
_getintidentifier(int32_t aIntId)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
NPRemoteIdentifier ident;
if (!PluginModuleChild::current()->
SendNPN_GetIntIdentifier(aIntId, &ident)) {
NS_WARNING("Failed to send message!");
ident = 0;
}
return (NPIdentifier)ident;
}
NPUTF8* NP_CALLBACK
_utf8fromidentifier(NPIdentifier aIdentifier)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
NPError err;
nsCAutoString val;
if (!PluginModuleChild::current()->
SendNPN_UTF8FromIdentifier((NPRemoteIdentifier)aIdentifier,
&err, &val)) {
NS_WARNING("Failed to send message!");
return 0;
}
return (NPERR_NO_ERROR == err) ? strdup(val.get()) : 0;
}
int32_t NP_CALLBACK
_intfromidentifier(NPIdentifier aIdentifier)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
NPError err;
int32_t val;
if (!PluginModuleChild::current()->
SendNPN_IntFromIdentifier((NPRemoteIdentifier)aIdentifier,
&err, &val)) {
NS_WARNING("Failed to send message!");
return -1;
}
// -1 for consistency
return (NPERR_NO_ERROR == err) ? val : -1;
}
bool NP_CALLBACK
_invoke(NPP aNPP,
NPObject* aNPObj,
NPIdentifier aMethod,
const NPVariant* aArgs,
uint32_t aArgCount,
NPVariant* aResult)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
}
return actor->Evaluate(aScript, aResult);
}
bool NP_CALLBACK
_getproperty(NPP aNPP,
NPObject* aNPObj,
NPIdentifier aPropertyName,
NPVariant* aResult)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
AssertPluginThread();
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;
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;
AssertPluginThread();
NS_NOTYETIMPLEMENTED("Implement me!");
}
bool NP_CALLBACK
_pushpopupsenabledstate(NPP aNPP,
NPBool aEnabled)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
bool retval;
if (InstCast(aNPP)->CallNPN_PushPopupsEnabledState(aEnabled ? true : false,
&retval)) {
return retval;
}
return false;
}
bool NP_CALLBACK
_poppopupsenabledstate(NPP aNPP)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
bool retval;
if (InstCast(aNPP)->CallNPN_PopPopupsEnabledState(&retval)) {
return retval;
}
return false;
}
void NP_CALLBACK
_pluginthreadasynccall(NPP aNPP,
PluginThreadCallback aFunc,
void* aUserData)
{
PLUGIN_LOG_DEBUG_FUNCTION;
if (!aFunc)
return;
PluginThreadChild::current()->message_loop()
->PostTask(FROM_HERE, new ChildAsyncCall(InstCast(aNPP), 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);
}
NPError NP_CALLBACK
_popupcontextmenu(NPP instance, NPMenu* menu)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
NS_NOTYETIMPLEMENTED("Implement me!");
return NPERR_GENERIC_ERROR;
}
NPBool NP_CALLBACK
_convertpoint(NPP instance,
double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
double *destX, double *destY, NPCoordinateSpace destSpace)
{
PLUGIN_LOG_DEBUG_FUNCTION;
AssertPluginThread();
NS_NOTYETIMPLEMENTED("Implement me!");
return 0;
}
} /* namespace child */
} /* namespace plugins */
} /* namespace mozilla */
//-----------------------------------------------------------------------------
bool
PluginModuleChild::AnswerNP_Initialize(NPError* _retval)
{
PLUGIN_LOG_DEBUG_METHOD;
AssertPluginThread();
#if defined(OS_LINUX)
*_retval = mInitializeFunc(&sBrowserFuncs, &mFunctions);
return true;
#elif defined(OS_WIN)
nsresult rv = mGetEntryPointsFunc(&mFunctions);
if (NS_FAILED(rv)) {
return false;
}
NS_ASSERTION(HIBYTE(mFunctions.version) >= NP_VERSION_MAJOR,
"callback version is less than NP version");
*_retval = mInitializeFunc(&sBrowserFuncs);
return true;
#elif defined(OS_MACOSX)
# warning IMPLEMENT ME
return false;
#else
# error Please implement me for your platform
#endif
}
PPluginInstanceChild*
PluginModuleChild::AllocPPluginInstance(const nsCString& aMimeType,
const uint16_t& aMode,
const nsTArray<nsCString>& aNames,
const nsTArray<nsCString>& aValues,
NPError* rv)
{
PLUGIN_LOG_DEBUG_METHOD;
AssertPluginThread();
nsAutoPtr<PluginInstanceChild> childInstance(
new PluginInstanceChild(&mFunctions, aMimeType));
if (!childInstance->Initialize()) {
*rv = NPERR_GENERIC_ERROR;
return 0;
}
return childInstance.forget();
}
bool
PluginModuleChild::AnswerPPluginInstanceConstructor(PPluginInstanceChild* aActor,
const nsCString& aMimeType,
const uint16_t& aMode,
const nsTArray<nsCString>& aNames,
const nsTArray<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;
}
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;
AssertPluginThread();
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_AtomicIncrement((PRInt32*)&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_AtomicDecrement((PRInt32*)&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;
}
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