mirror of
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336 lines
11 KiB
C++
336 lines
11 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 "npapi.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 "nsPluginPlayPreviewInfo.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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class nsNPAPIPlugin;
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class nsIComponentManager;
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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 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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class nsInvalidPluginTag : public nsISupports
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{
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public:
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nsInvalidPluginTag(const char* aFullPath, int64_t aLastModifiedTime = 0);
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virtual ~nsInvalidPluginTag();
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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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nsRefPtr<nsInvalidPluginTag> mPrev;
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nsRefPtr<nsInvalidPluginTag> mNext;
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};
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class nsPluginHost : 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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public:
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nsPluginHost();
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virtual ~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 Init();
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nsresult LoadPlugins();
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nsresult UnloadPlugins();
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nsresult SetUpPluginInstance(const char *aMimeType,
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nsIURI *aURL,
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nsPluginInstanceOwner *aOwner);
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bool PluginExistsForType(const char* aMimeType);
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nsresult IsPluginEnabledForExtension(const char* aExtension, const char* &aMimeType);
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void GetPlugins(nsTArray<nsRefPtr<nsPluginTag> >& aPluginArray);
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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, uint32_t inPostDataLen,
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char **outPostData, 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, const char** aPluginName);
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nsresult StopPluginInstance(nsNPAPIPluginInstance* aInstance);
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nsresult GetPluginTagForInstance(nsNPAPIPluginInstance *aPluginInstance, 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 = NULL,
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nsNPAPIPluginStreamListener* streamListener = NULL,
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const char* altHost = NULL,
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const char* referrer = NULL,
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bool forceJSEnabled = false,
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uint32_t getHeadersLength = 0,
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const char* getHeaders = NULL);
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nsresult
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DoURLLoadSecurityCheck(nsNPAPIPluginInstance *aInstance,
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const char* aURL);
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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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// Writes updated plugins settings to disk and unloads the plugin
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// if it is now disabled
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nsresult UpdatePluginInfo(nsPluginTag* aPluginTag);
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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 aTag is a "java" plugin tag (a tag for a plugin
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// that does Java)
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static bool IsJavaMIMEType(const char *aType);
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static nsresult GetPrompt(nsIPluginInstanceOwner *aOwner, nsIPrompt **aPrompt);
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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< nsRefPtr<nsNPAPIPluginInstance> > *InstanceArray();
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void DestroyRunningInstances(nsPluginTag* aPluginTag);
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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 char *aMimeType, nsIURI* aURL,
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nsObjectLoadingContent *aContent,
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nsPluginInstanceOwner** aOwner);
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// Does not accept NULL and should never fail.
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nsPluginTag* TagForPlugin(nsNPAPIPlugin* aPlugin);
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nsresult GetPlugin(const char *aMimeType, nsNPAPIPlugin** aPlugin);
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nsresult NewPluginStreamListener(nsIURI* aURL,
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nsNPAPIPluginInstance* aInstance,
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nsIStreamListener **aStreamListener);
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private:
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nsresult
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TrySetUpPluginInstance(const char *aMimeType, nsIURI *aURL, nsPluginInstanceOwner *aOwner);
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nsPluginTag*
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FindPreferredPlugin(const InfallibleTArray<nsPluginTag*>& matches);
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// Return an nsPluginTag for this type, if any. If aCheckEnabled is
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// true, only enabled plugins will be returned.
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nsPluginTag*
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FindPluginForType(const char* aMimeType, bool aCheckEnabled);
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nsPluginTag*
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FindPluginEnabledForExtension(const char* aExtension, const char* &aMimeType);
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nsresult
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FindStoppedPluginForURL(nsIURI* aURL, nsIPluginInstanceOwner *aOwner);
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nsresult
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FindPlugins(bool aCreatePluginList, bool * aPluginsChanged);
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// Registers or unregisters the given mime type with the category manager
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// (performs no checks - see UpdateCategoryManager)
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enum nsRegisterType { ePluginRegister, ePluginUnregister };
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void RegisterWithCategoryManager(nsCString &aMimeType, nsRegisterType aType);
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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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nsRefPtr<nsPluginTag> mPlugins;
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nsRefPtr<nsPluginTag> mCachedPlugins;
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nsRefPtr<nsInvalidPluginTag> mInvalidPlugins;
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nsTArray< nsRefPtr<nsPluginPlayPreviewInfo> > mPlayPreviewMimeTypes;
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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< nsRefPtr<nsNPAPIPluginInstance> > mInstances;
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nsCOMPtr<nsIFile> mPluginRegFile;
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#ifdef XP_WIN
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nsRefPtr<nsPluginDirServiceProvider> mPrivateDirServiceProvider;
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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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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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nsWeakPtr mCurrentDocument; // weak reference, we use it to id document only
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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 MOZ_STACK_CLASS PluginDestructionGuard : protected PRCList
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{
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public:
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PluginDestructionGuard(nsNPAPIPluginInstance *aInstance);
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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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nsRefPtr<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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