mirror of
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391 lines
14 KiB
C++
391 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Josh Aas <josh@mozilla.com>
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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 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 "nsNPAPIPluginInstance.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 "nsISupportsArray.h"
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#include "nsIPrefBranch.h"
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#include "nsWeakReference.h"
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#include "nsThreadUtils.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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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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#if defined(XP_MACOSX) && !defined(NP_NO_CARBON)
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#define MAC_CARBON_PLUGINS
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#endif
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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, PRInt64 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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PRInt64 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 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 Destroy();
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nsresult LoadPlugins();
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nsresult InstantiatePluginForChannel(nsIChannel* aChannel,
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nsIPluginInstanceOwner* aOwner,
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nsIStreamListener** aListener);
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nsresult SetUpPluginInstance(const char *aMimeType,
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nsIURI *aURL,
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nsIPluginInstanceOwner *aOwner);
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nsresult IsPluginEnabledForType(const char* aMimeType);
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nsresult IsPluginEnabledForExtension(const char* aExtension, const char* &aMimeType);
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nsresult GetPluginCount(PRUint32* aPluginCount);
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nsresult GetPlugins(PRUint32 aPluginCount, nsIDOMPlugin** 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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nsIPluginStreamListener* streamListener,
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const char* altHost,
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const char* referrer,
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PRBool forceJSEnabled);
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nsresult PostURL(nsISupports* pluginInst,
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const char* url,
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PRUint32 postDataLen,
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const char* postData,
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PRBool isFile,
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const char* target,
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nsIPluginStreamListener* streamListener,
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const char* altHost,
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const char* referrer,
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PRBool forceJSEnabled,
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PRUint32 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, PRUint32 inPostDataLen,
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char **outPostData, PRUint32 *outPostDataLen);
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nsresult CreateTempFileToPost(const char *aPostDataURL, nsIFile **aTmpFile);
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nsresult NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow);
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nsresult DeletePluginNativeWindow(nsPluginNativeWindow * aPluginNativeWindow);
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nsresult InstantiateDummyJavaPlugin(nsIPluginInstanceOwner *aOwner);
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void AddIdleTimeTarget(nsIPluginInstanceOwner* objectFrame, PRBool 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 HandleBadPlugin(PRLibrary* aLibrary, 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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nsIPluginStreamListener *aListener,
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nsIInputStream *aPostStream = nsnull,
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const char *aHeadersData = nsnull,
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PRUint32 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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nsIPluginStreamListener* streamListener = NULL,
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const char* altHost = NULL,
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const char* referrer = NULL,
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PRBool forceJSEnabled = PR_FALSE,
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PRUint32 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, PRUint32 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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// 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 PRBool 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 *FindStoppedInstance(const char * url);
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nsNPAPIPluginInstance *FindOldestStoppedInstance();
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PRUint32 StoppedInstanceCount();
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nsTArray< nsRefPtr<nsNPAPIPluginInstance> > *InstanceArray();
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void DestroyRunningInstances(nsISupportsArray* aReloadDocs, nsPluginTag* aPluginTag);
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// Return the tag for |aLibrary| if found, nsnull 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 InstantiateEmbeddedPlugin(const char *aMimeType, nsIURI* aURL,
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nsIPluginInstanceOwner* aOwner,
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PRBool aAllowOpeningStreams);
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nsresult InstantiateFullPagePlugin(const char *aMimeType,
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nsIURI* aURI,
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nsIPluginInstanceOwner *aOwner,
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nsIStreamListener **aStreamListener);
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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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private:
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nsresult
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TrySetUpPluginInstance(const char *aMimeType, nsIURI *aURL, nsIPluginInstanceOwner *aOwner);
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nsresult
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NewEmbeddedPluginStreamListener(nsIURI* aURL, nsIPluginInstanceOwner *aOwner,
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nsNPAPIPluginInstance* aInstance,
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nsIStreamListener** aListener);
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nsresult
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NewEmbeddedPluginStream(nsIURI* aURL, nsIPluginInstanceOwner *aOwner, nsNPAPIPluginInstance* aInstance);
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nsresult
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NewFullPagePluginStream(nsIURI* aURI,
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nsNPAPIPluginInstance *aInstance,
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nsIStreamListener **aStreamListener);
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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, PRBool 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(PRBool aCreatePluginList, PRBool * aPluginsChanged);
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nsresult
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ScanPluginsDirectory(nsIFile *pluginsDir,
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PRBool aCreatePluginList,
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PRBool *aPluginsChanged);
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nsresult
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ScanPluginsDirectoryList(nsISimpleEnumerator *dirEnum,
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PRBool aCreatePluginList,
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PRBool *aPluginsChanged);
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nsresult EnsurePluginLoaded(nsPluginTag* plugin);
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PRBool IsRunningPlugin(nsPluginTag * plugin);
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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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PRBool IsLiveTag(nsIPluginTag* tag);
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// Checks our list of live tags for an equivalent tag.
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nsPluginTag* HaveSamePlugin(nsPluginTag * aPluginTag);
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// checks if given plugin is a duplicate of what we already have
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// in the plugin list but found in some different place
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PRBool IsDuplicatePlugin(nsPluginTag * aPluginTag);
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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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PRPackedBool mPluginsLoaded;
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PRPackedBool mDontShowBadPluginMessage;
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PRPackedBool mIsDestroyed;
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// set by pref plugin.override_internal_types
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PRPackedBool mOverrideInternalTypes;
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// set by pref plugin.disable
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PRPackedBool mPluginsDisabled;
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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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nsCOMPtr<nsIPrefBranch> mPrefService;
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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 nsTArray<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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#ifdef MAC_CARBON_PLUGINS
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nsCOMPtr<nsITimer> mVisiblePluginTimer;
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nsTObserverArray<nsIPluginInstanceOwner*> mVisibleTimerTargets;
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nsCOMPtr<nsITimer> mHiddenPluginTimer;
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nsTObserverArray<nsIPluginInstanceOwner*> mHiddenTimerTargets;
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#endif
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};
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class NS_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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: mInstance(aInstance)
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{
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Init();
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}
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PluginDestructionGuard(NPP npp)
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: mInstance(npp ? static_cast<nsNPAPIPluginInstance*>(npp->ndata) : nsnull)
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{
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Init();
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}
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~PluginDestructionGuard();
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static PRBool 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 = PR_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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PRBool mDelayedDestroy;
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static PRCList sListHead;
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};
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#endif // nsPluginHost_h_
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