mirror of
https://github.com/classilla/tenfourfox.git
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464 lines
16 KiB
C++
464 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsPluginHost_h_
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#define nsPluginHost_h_
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#include "nsIPluginHost.h"
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#include "nsIObserver.h"
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#include "nsCOMPtr.h"
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#include "prlink.h"
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#include "prclist.h"
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#include "nsIPluginTag.h"
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#include "nsPluginsDir.h"
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#include "nsPluginDirServiceProvider.h"
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#include "nsAutoPtr.h"
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#include "nsWeakPtr.h"
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#include "nsIPrompt.h"
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#include "nsWeakReference.h"
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#include "MainThreadUtils.h"
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#include "nsTArray.h"
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#include "nsTObserverArray.h"
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#include "nsITimer.h"
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#include "nsPluginTags.h"
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#include "nsIEffectiveTLDService.h"
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#include "nsIIDNService.h"
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#include "nsCRT.h"
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#ifdef XP_WIN
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#include <minwindef.h>
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#include "nsIWindowsRegKey.h"
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#endif
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namespace mozilla {
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namespace plugins {
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class PluginAsyncSurrogate;
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class PluginTag;
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} // namespace plugins
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} // namespace mozilla
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class nsNPAPIPlugin;
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class nsIFile;
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class nsIChannel;
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class nsPluginNativeWindow;
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class nsObjectLoadingContent;
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class nsPluginInstanceOwner;
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class nsPluginUnloadRunnable;
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class nsNPAPIPluginInstance;
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class nsNPAPIPluginStreamListener;
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class nsIPluginInstanceOwner;
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class nsIInputStream;
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class nsIStreamListener;
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#ifndef npapi_h_
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struct _NPP;
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typedef _NPP* NPP;
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#endif
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class nsInvalidPluginTag : public nsISupports
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{
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virtual ~nsInvalidPluginTag();
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public:
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explicit nsInvalidPluginTag(const char* aFullPath, int64_t aLastModifiedTime = 0);
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NS_DECL_ISUPPORTS
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nsCString mFullPath;
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int64_t mLastModifiedTime;
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bool mSeen;
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RefPtr<nsInvalidPluginTag> mPrev;
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RefPtr<nsInvalidPluginTag> mNext;
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};
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class nsPluginHost final : public nsIPluginHost,
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public nsIObserver,
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public nsITimerCallback,
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public nsSupportsWeakReference
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{
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friend class nsPluginTag;
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friend class nsFakePluginTag;
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virtual ~nsPluginHost();
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public:
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nsPluginHost();
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static already_AddRefed<nsPluginHost> GetInst();
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPLUGINHOST
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NS_DECL_NSIOBSERVER
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NS_DECL_NSITIMERCALLBACK
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nsresult LoadPlugins();
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nsresult UnloadPlugins();
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nsresult SetUpPluginInstance(const nsACString &aMimeType,
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nsIURI *aURL,
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nsPluginInstanceOwner *aOwner);
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// Acts like a bitfield
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enum PluginFilter {
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eExcludeNone = nsIPluginHost::EXCLUDE_NONE,
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eExcludeDisabled = nsIPluginHost::EXCLUDE_DISABLED,
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eExcludeFake = nsIPluginHost::EXCLUDE_FAKE
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};
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// FIXME-jsplugins comment about fake
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bool HavePluginForType(const nsACString & aMimeType,
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PluginFilter aFilter = eExcludeDisabled);
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// FIXME-jsplugins what if fake has different extensions
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bool HavePluginForExtension(const nsACString & aExtension,
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/* out */ nsACString & aMimeType,
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PluginFilter aFilter = eExcludeDisabled);
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void GetPlugins(nsTArray<nsCOMPtr<nsIInternalPluginTag>>& aPluginArray,
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bool aIncludeDisabled = false);
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nsresult FindPluginsForContent(uint32_t aPluginEpoch,
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nsTArray<mozilla::plugins::PluginTag>* aPlugins,
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uint32_t* aNewPluginEpoch);
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nsresult GetURL(nsISupports* pluginInst,
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const char* url,
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const char* target,
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nsNPAPIPluginStreamListener* streamListener,
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const char* altHost,
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const char* referrer,
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bool forceJSEnabled);
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nsresult PostURL(nsISupports* pluginInst,
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const char* url,
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uint32_t postDataLen,
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const char* postData,
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bool isFile,
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const char* target,
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nsNPAPIPluginStreamListener* streamListener,
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const char* altHost,
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const char* referrer,
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bool forceJSEnabled,
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uint32_t postHeadersLength,
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const char* postHeaders);
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nsresult FindProxyForURL(const char* url, char* *result);
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nsresult UserAgent(const char **retstring);
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nsresult ParsePostBufferToFixHeaders(const char *inPostData,
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uint32_t inPostDataLen,
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char **outPostData,
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uint32_t *outPostDataLen);
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nsresult CreateTempFileToPost(const char *aPostDataURL, nsIFile **aTmpFile);
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nsresult NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow);
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void AddIdleTimeTarget(nsIPluginInstanceOwner* objectFrame, bool isVisible);
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void RemoveIdleTimeTarget(nsIPluginInstanceOwner* objectFrame);
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nsresult GetPluginName(nsNPAPIPluginInstance *aPluginInstance,
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const char** aPluginName);
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nsresult StopPluginInstance(nsNPAPIPluginInstance* aInstance);
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nsresult GetPluginTagForInstance(nsNPAPIPluginInstance *aPluginInstance,
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nsIPluginTag **aPluginTag);
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nsresult
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NewPluginURLStream(const nsString& aURL,
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nsNPAPIPluginInstance *aInstance,
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nsNPAPIPluginStreamListener *aListener,
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nsIInputStream *aPostStream = nullptr,
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const char *aHeadersData = nullptr,
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uint32_t aHeadersDataLen = 0);
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nsresult
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GetURLWithHeaders(nsNPAPIPluginInstance *pluginInst,
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const char* url,
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const char* target = nullptr,
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nsNPAPIPluginStreamListener* streamListener = nullptr,
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const char* altHost = nullptr,
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const char* referrer = nullptr,
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bool forceJSEnabled = false,
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uint32_t getHeadersLength = 0,
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const char* getHeaders = nullptr);
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nsresult
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AddHeadersToChannel(const char *aHeadersData, uint32_t aHeadersDataLen,
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nsIChannel *aGenericChannel);
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static nsresult GetPluginTempDir(nsIFile **aDir);
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// Helper that checks if a type is whitelisted in plugin.allowed_types.
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// Always returns true if plugin.allowed_types is not set
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static bool IsTypeWhitelisted(const char *aType);
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// checks whether aType is a type we recognize for potential special handling
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enum SpecialType { eSpecialType_None,
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// Needed to whitelist for async init support
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eSpecialType_Test,
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// Informs some decisions about OOP and quirks
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eSpecialType_Flash,
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// Binds to the <applet> tag, has various special
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// rules around opening channels, codebase, ...
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eSpecialType_Java,
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// Some IPC quirks
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eSpecialType_Silverlight,
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// Native widget quirks
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eSpecialType_PDF,
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// Native widget quirks
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eSpecialType_RealPlayer,
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// Native widget quirks
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eSpecialType_Unity };
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static SpecialType GetSpecialType(const nsACString & aMIMEType);
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static nsresult PostPluginUnloadEvent(PRLibrary* aLibrary);
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void PluginCrashed(nsNPAPIPlugin* plugin,
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const nsAString& pluginDumpID,
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const nsAString& browserDumpID);
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nsNPAPIPluginInstance *FindInstance(const char *mimetype);
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nsNPAPIPluginInstance *FindOldestStoppedInstance();
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uint32_t StoppedInstanceCount();
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nsTArray< RefPtr<nsNPAPIPluginInstance> > *InstanceArray();
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// Return the tag for |aLibrary| if found, nullptr if not.
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nsPluginTag* FindTagForLibrary(PRLibrary* aLibrary);
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// The last argument should be false if we already have an in-flight stream
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// and don't need to set up a new stream.
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nsresult InstantiatePluginInstance(const nsACString& aMimeType, nsIURI* aURL,
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nsObjectLoadingContent *aContent,
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nsPluginInstanceOwner** aOwner);
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// Does not accept nullptr and should never fail.
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nsPluginTag* TagForPlugin(nsNPAPIPlugin* aPlugin);
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nsPluginTag* PluginWithId(uint32_t aId);
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nsresult GetPlugin(const nsACString &aMimeType, nsNPAPIPlugin** aPlugin);
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nsresult GetPluginForContentProcess(uint32_t aPluginId, nsNPAPIPlugin** aPlugin);
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void NotifyContentModuleDestroyed(uint32_t aPluginId);
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nsresult NewPluginStreamListener(nsIURI* aURL,
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nsNPAPIPluginInstance* aInstance,
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nsIStreamListener **aStreamListener);
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void CreateWidget(nsPluginInstanceOwner* aOwner);
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nsresult EnumerateSiteData(const nsACString& domain,
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const InfallibleTArray<nsCString>& sites,
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InfallibleTArray<nsCString>& result,
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bool firstMatchOnly);
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private:
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friend class nsPluginUnloadRunnable;
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void DestroyRunningInstances(nsPluginTag* aPluginTag);
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// Writes updated plugins settings to disk and unloads the plugin
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// if it is now disabled. Should only be called by the plugin tag in question
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void UpdatePluginInfo(nsPluginTag* aPluginTag);
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nsresult TrySetUpPluginInstance(const nsACString &aMimeType, nsIURI *aURL,
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nsPluginInstanceOwner *aOwner);
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// FIXME-jsplugins comment here about when things may be fake
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nsPluginTag*
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FindPreferredPlugin(const InfallibleTArray<nsPluginTag*>& matches);
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// Find a plugin for the given type. If aIncludeFake is true a fake plugin
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// will be preferred if one exists; otherwise a fake plugin will never be
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// returned. If aCheckEnabled is false, disabled plugins can be returned.
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nsIInternalPluginTag* FindPluginForType(const nsACString& aMimeType,
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bool aIncludeFake, bool aCheckEnabled);
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// Find specifically a fake plugin for the given type. If aCheckEnabled is
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// false, disabled plugins can be returned.
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nsFakePluginTag* FindFakePluginForType(const nsACString & aMimeType,
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bool aCheckEnabled);
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// Find specifically a fake plugin for the given extension. If aCheckEnabled
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// is false, disabled plugins can be returned. aMimeType will be filled in
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// with the MIME type the plugin is registered for.
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nsFakePluginTag* FindFakePluginForExtension(const nsACString & aExtension,
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/* out */ nsACString & aMimeType,
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bool aCheckEnabled);
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// Find specifically a native (NPAPI) plugin for the given type. If
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// aCheckEnabled is false, disabled plugins can be returned.
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nsPluginTag* FindNativePluginForType(const nsACString & aMimeType,
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bool aCheckEnabled);
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// Find specifically a native (NPAPI) plugin for the given extension. If
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// aCheckEnabled is false, disabled plugins can be returned. aMimeType will
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// be filled in with the MIME type the plugin is registered for.
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nsPluginTag* FindNativePluginForExtension(const nsACString & aExtension,
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/* out */ nsACString & aMimeType,
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bool aCheckEnabled);
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nsresult
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FindStoppedPluginForURL(nsIURI* aURL, nsIPluginInstanceOwner *aOwner);
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nsresult FindPluginsInContent(bool aCreatePluginList, bool * aPluginsChanged);
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nsresult
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FindPlugins(bool aCreatePluginList, bool * aPluginsChanged);
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// FIXME revisit, no ns prefix
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// Registers or unregisters the given mime type with the category manager
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enum nsRegisterType { ePluginRegister,
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ePluginUnregister,
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// Checks if this type should still be registered first
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ePluginMaybeUnregister };
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void RegisterWithCategoryManager(const nsCString& aMimeType,
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nsRegisterType aType);
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void AddPluginTag(nsPluginTag* aPluginTag);
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nsresult
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ScanPluginsDirectory(nsIFile *pluginsDir,
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bool aCreatePluginList,
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bool *aPluginsChanged);
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nsresult
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ScanPluginsDirectoryList(nsISimpleEnumerator *dirEnum,
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bool aCreatePluginList,
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bool *aPluginsChanged);
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nsresult EnsurePluginLoaded(nsPluginTag* aPluginTag);
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bool IsRunningPlugin(nsPluginTag * aPluginTag);
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// Stores all plugins info into the registry
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nsresult WritePluginInfo();
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// Loads all cached plugins info into mCachedPlugins
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nsresult ReadPluginInfo();
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// Given a file path, returns the plugins info from our cache
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// and removes it from the cache.
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void RemoveCachedPluginsInfo(const char *filePath,
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nsPluginTag **result);
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// Checks to see if a tag object is in our list of live tags.
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bool IsLiveTag(nsIPluginTag* tag);
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// Checks our list of live tags for an equivalent tag.
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nsPluginTag* HaveSamePlugin(const nsPluginTag * aPluginTag);
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// Returns the first plugin at |path|
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nsPluginTag* FirstPluginWithPath(const nsCString& path);
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nsresult EnsurePrivateDirServiceProvider();
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void OnPluginInstanceDestroyed(nsPluginTag* aPluginTag);
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// To be used by the chrome process whenever the set of plugins changes.
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void IncrementChromeEpoch();
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// To be used by the chrome process; returns the current epoch.
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uint32_t ChromeEpoch();
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// To be used by the content process to get/set the last observed epoch value
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// from the chrome process.
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uint32_t ChromeEpochForContent();
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void SetChromeEpochForContent(uint32_t aEpoch);
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void UpdateInMemoryPluginInfo(nsPluginTag* aPluginTag);
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// On certain platforms, we only want to load certain plugins. This function
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// centralizes loading rules.
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bool ShouldAddPlugin(nsPluginTag* aPluginTag);
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RefPtr<nsPluginTag> mPlugins;
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RefPtr<nsPluginTag> mCachedPlugins;
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RefPtr<nsInvalidPluginTag> mInvalidPlugins;
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nsTArray< RefPtr<nsFakePluginTag> > mFakePlugins;
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bool mPluginsLoaded;
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// set by pref plugin.override_internal_types
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bool mOverrideInternalTypes;
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// set by pref plugin.disable
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bool mPluginsDisabled;
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// set by pref plugins.click_to_play
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bool mPluginsClickToPlay;
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// Any instances in this array will have valid plugin objects via GetPlugin().
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// When removing an instance it might not die - be sure to null out it's plugin.
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nsTArray< RefPtr<nsNPAPIPluginInstance> > mInstances;
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nsCOMPtr<nsIFile> mPluginRegFile;
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#ifdef XP_WIN
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RefPtr<nsPluginDirServiceProvider> mPrivateDirServiceProvider;
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// In order to reload plugins when they change, we watch the registry via
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// this object.
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nsCOMPtr<nsIWindowsRegKey> mRegKeyHKLM;
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nsCOMPtr<nsIWindowsRegKey> mRegKeyHKCU;
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#endif
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nsCOMPtr<nsIEffectiveTLDService> mTLDService;
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nsCOMPtr<nsIIDNService> mIDNService;
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// Helpers for ClearSiteData and SiteHasData.
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nsresult NormalizeHostname(nsCString& host);
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nsWeakPtr mCurrentDocument; // weak reference, we use it to id document only
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// This epoch increases each time we load the list of plugins from disk.
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// In the chrome process, this stores the actual epoch.
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// In the content process, this stores the last epoch value observed
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// when reading plugins from chrome.
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uint32_t mPluginEpoch;
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static nsIFile *sPluginTempDir;
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// We need to hold a global ptr to ourselves because we register for
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// two different CIDs for some reason...
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static nsPluginHost* sInst;
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};
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class PluginDestructionGuard : protected PRCList
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{
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public:
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explicit PluginDestructionGuard(nsNPAPIPluginInstance *aInstance);
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explicit PluginDestructionGuard(mozilla::plugins::PluginAsyncSurrogate *aSurrogate);
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explicit PluginDestructionGuard(NPP npp);
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~PluginDestructionGuard();
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static bool DelayDestroy(nsNPAPIPluginInstance *aInstance);
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protected:
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void Init()
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{
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NS_ASSERTION(NS_IsMainThread(), "Should be on the main thread");
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mDelayedDestroy = false;
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PR_INIT_CLIST(this);
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PR_INSERT_BEFORE(this, &sListHead);
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}
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void InitAsync()
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{
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NS_ASSERTION(NS_IsMainThread(), "Should be on the main thread");
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mDelayedDestroy = false;
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PR_INIT_CLIST(this);
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// Instances with active surrogates must be inserted *after* sListHead so
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// that they appear to be at the bottom of the stack
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PR_INSERT_AFTER(this, &sListHead);
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}
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RefPtr<nsNPAPIPluginInstance> mInstance;
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bool mDelayedDestroy;
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static PRCList sListHead;
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};
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#endif // nsPluginHost_h_
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