mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
c1f3d96e91
This merge includes the fix for bug 583109 - Add visibility notifications for plugins, so that asynchronous painting can be suspended when plugins are not visible. This collaterally fixes bug 606285, hulu homepage doesn't paint with async layers. This changeset only implements asynchronous painting for out-of-process plugins. In-process painting will be implemented as a followup. Note that it is still possible to disable asynchronous layers on Windows by setting the preference mozilla.plugins.use_layers to false, but my intention is to remove this preference and sync-painting codepaths soon in a followup.
287 lines
10 KiB
C++
287 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: sw=4 ts=4 et :
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Plugin App.
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*
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* The Initial Developer of the Original Code is
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* Chris Jones <jones.chris.g@gmail.com>
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef dom_plugins_PluginModuleParent_h
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#define dom_plugins_PluginModuleParent_h 1
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#include <cstring>
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#include "base/basictypes.h"
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#include "prlink.h"
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#include "npapi.h"
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#include "npfunctions.h"
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#include "base/string_util.h"
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#include "mozilla/FileUtils.h"
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#include "mozilla/PluginLibrary.h"
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#include "mozilla/plugins/PPluginModuleParent.h"
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#include "mozilla/plugins/PluginInstanceParent.h"
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#include "mozilla/plugins/PluginProcessParent.h"
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#include "mozilla/plugins/PluginIdentifierParent.h"
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#include "nsAutoPtr.h"
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#include "nsDataHashtable.h"
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#include "nsHashKeys.h"
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#include "nsIFileStreams.h"
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#include "nsTObserverArray.h"
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#include "nsITimer.h"
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namespace mozilla {
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namespace plugins {
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//-----------------------------------------------------------------------------
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class BrowserStreamParent;
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/**
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* PluginModuleParent
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*
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* This class implements the NPP API from the perspective of the rest
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* of Gecko, forwarding NPP calls along to the child process that is
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* actually running the plugin.
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*
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* This class /also/ implements a version of the NPN API, because the
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* child process needs to make these calls back into Gecko proper.
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* This class is responsible for "actually" making those function calls.
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*/
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class PluginModuleParent : public PPluginModuleParent, PluginLibrary
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{
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private:
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typedef mozilla::PluginLibrary PluginLibrary;
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protected:
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virtual PPluginIdentifierParent*
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AllocPPluginIdentifier(const nsCString& aString,
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const int32_t& aInt);
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virtual bool
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DeallocPPluginIdentifier(PPluginIdentifierParent* aActor);
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PPluginInstanceParent*
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AllocPPluginInstance(const nsCString& aMimeType,
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const uint16_t& aMode,
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const InfallibleTArray<nsCString>& aNames,
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const InfallibleTArray<nsCString>& aValues,
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NPError* rv);
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virtual bool
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DeallocPPluginInstance(PPluginInstanceParent* aActor);
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public:
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PluginModuleParent(const char* aFilePath);
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virtual ~PluginModuleParent();
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NS_OVERRIDE virtual void SetPlugin(nsNPAPIPlugin* plugin)
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{
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mPlugin = plugin;
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}
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NS_OVERRIDE virtual void ActorDestroy(ActorDestroyReason why);
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/**
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* LoadModule
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*
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* This may or may not launch a plugin child process,
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* and may or may not be very expensive.
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*/
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static PluginLibrary* LoadModule(const char* aFilePath);
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const NPNetscapeFuncs* GetNetscapeFuncs() {
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return mNPNIface;
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}
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PluginProcessParent* Process() const { return mSubprocess; }
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base::ProcessHandle ChildProcessHandle() { return mSubprocess->GetChildProcessHandle(); }
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bool OkToCleanup() const {
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return !IsOnCxxStack();
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}
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PPluginIdentifierParent*
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GetIdentifierForNPIdentifier(NPIdentifier aIdentifier);
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#ifdef OS_MACOSX
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void AddToRefreshTimer(PluginInstanceParent *aInstance);
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void RemoveFromRefreshTimer(PluginInstanceParent *aInstance);
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#endif
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protected:
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NS_OVERRIDE
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virtual mozilla::ipc::RPCChannel::RacyRPCPolicy
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MediateRPCRace(const Message& parent, const Message& child)
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{
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return MediateRace(parent, child);
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}
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virtual bool RecvXXX_HACK_FIXME_cjones(Shmem& mem) { NS_RUNTIMEABORT("not reached"); return false; }
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NS_OVERRIDE
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virtual bool ShouldContinueFromReplyTimeout();
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NS_OVERRIDE
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virtual bool
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RecvBackUpXResources(const FileDescriptor& aXSocketFd);
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virtual bool
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AnswerNPN_UserAgent(nsCString* userAgent);
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virtual bool
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AnswerNPN_GetValue_WithBoolReturn(const NPNVariable& aVariable,
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NPError* aError,
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bool* aBoolVal);
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NS_OVERRIDE
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virtual bool AnswerProcessSomeEvents();
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NS_OVERRIDE virtual bool
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RecvProcessNativeEventsInRPCCall();
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virtual bool
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RecvAppendNotesToCrashReport(const nsCString& aNotes);
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NS_OVERRIDE virtual bool
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RecvPluginShowWindow(const uint32_t& aWindowId, const bool& aModal,
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const int32_t& aX, const int32_t& aY,
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const size_t& aWidth, const size_t& aHeight);
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NS_OVERRIDE virtual bool
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RecvPluginHideWindow(const uint32_t& aWindowId);
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static PluginInstanceParent* InstCast(NPP instance);
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static BrowserStreamParent* StreamCast(NPP instance, NPStream* s);
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private:
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void SetPluginFuncs(NPPluginFuncs* aFuncs);
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// Implement the module-level functions from NPAPI; these are
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// normally resolved directly from the DSO.
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#ifdef OS_LINUX
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NPError NP_Initialize(const NPNetscapeFuncs* npnIface,
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NPPluginFuncs* nppIface);
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#else
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NPError NP_Initialize(const NPNetscapeFuncs* npnIface);
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NPError NP_GetEntryPoints(NPPluginFuncs* nppIface);
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#endif
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// NPP-like API that Gecko calls are trampolined into. These
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// messages then get forwarded along to the plugin instance,
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// and then eventually the child process.
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static NPError NPP_Destroy(NPP instance, NPSavedData** save);
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static NPError NPP_SetWindow(NPP instance, NPWindow* window);
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static NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream,
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NPBool seekable, uint16_t* stype);
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static NPError NPP_DestroyStream(NPP instance,
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NPStream* stream, NPReason reason);
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static int32_t NPP_WriteReady(NPP instance, NPStream* stream);
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static int32_t NPP_Write(NPP instance, NPStream* stream,
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int32_t offset, int32_t len, void* buffer);
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static void NPP_StreamAsFile(NPP instance,
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NPStream* stream, const char* fname);
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static void NPP_Print(NPP instance, NPPrint* platformPrint);
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static int16_t NPP_HandleEvent(NPP instance, void* event);
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static void NPP_URLNotify(NPP instance, const char* url,
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NPReason reason, void* notifyData);
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static NPError NPP_GetValue(NPP instance,
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NPPVariable variable, void *ret_value);
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static NPError NPP_SetValue(NPP instance, NPNVariable variable,
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void *value);
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virtual bool HasRequiredFunctions();
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virtual nsresult AsyncSetWindow(NPP instance, NPWindow* window);
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virtual nsresult GetSurface(NPP instance, gfxASurface** aSurface);
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NS_OVERRIDE virtual bool UseAsyncPainting() { return true; }
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#if defined(XP_UNIX) && !defined(XP_MACOSX)
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virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs* pFuncs, NPError* error);
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#else
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virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error);
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#endif
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virtual nsresult NP_Shutdown(NPError* error);
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virtual nsresult NP_GetMIMEDescription(const char** mimeDesc);
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virtual nsresult NP_GetValue(void *future, NPPVariable aVariable,
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void *aValue, NPError* error);
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#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_OS2)
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virtual nsresult NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error);
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#endif
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virtual nsresult NPP_New(NPMIMEType pluginType, NPP instance,
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uint16_t mode, int16_t argc, char* argn[],
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char* argv[], NPSavedData* saved,
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NPError* error);
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private:
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void WritePluginExtraDataForMinidump(const nsAString& id);
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void WriteExtraDataForHang();
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void CleanupFromTimeout();
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static int TimeoutChanged(const char* aPref, void* aModule);
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void NotifyPluginCrashed();
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nsCString mCrashNotes;
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PluginProcessParent* mSubprocess;
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// the plugin thread in mSubprocess
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NativeThreadId mPluginThread;
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bool mShutdown;
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const NPNetscapeFuncs* mNPNIface;
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nsDataHashtable<nsVoidPtrHashKey, PluginIdentifierParent*> mIdentifiers;
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nsNPAPIPlugin* mPlugin;
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time_t mProcessStartTime;
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ScopedRunnableMethodFactory<PluginModuleParent> mTaskFactory;
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nsString mPluginDumpID;
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nsString mBrowserDumpID;
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nsString mHangID;
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#ifdef OS_MACOSX
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nsCOMPtr<nsITimer> mCATimer;
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nsTObserverArray<PluginInstanceParent*> mCATimerTargets;
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#endif
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#ifdef MOZ_X11
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// Dup of plugin's X socket, used to scope its resources to this
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// object instead of the plugin process's lifetime
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ScopedClose mPluginXSocketFdDup;
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#endif
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};
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} // namespace plugins
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} // namespace mozilla
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#endif // ifndef dom_plugins_PluginModuleParent_h
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