508 lines
16 KiB
C++
508 lines
16 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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*
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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 nsPluginHostImpl_h__
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#define nsPluginHostImpl_h__
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#include "nsIPluginManager.h"
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#include "nsIPluginManager2.h"
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#include "nsIPluginHost.h"
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#include "nsIObserver.h"
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#include "nsPIPluginHost.h"
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#include "nsCRT.h"
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#include "nsCOMPtr.h"
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#include "prlink.h"
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#include "nsIPlugin.h"
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#include "nsIPluginTagInfo2.h"
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#include "nsIPluginInstancePeer2.h"
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#include "nsIFileUtilities.h"
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#include "nsICookieStorage.h"
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#include "nsPluginsDir.h"
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#include "nsVoidArray.h" // array for holding "active" streams
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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 "nsPluginNativeWindow.h"
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#include "nsIPrefBranch.h"
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class ns4xPlugin;
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class nsIComponentManager;
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class nsIFile;
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class nsIChannel;
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class nsIRegistry;
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class nsPluginHostImpl;
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/**
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* A linked-list of plugin information that is used for
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* instantiating plugins and reflecting plugin information
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* into JavaScript.
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*/
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class nsPluginTag
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{
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public:
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nsPluginTag();
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nsPluginTag(nsPluginTag* aPluginTag);
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nsPluginTag(nsPluginInfo* aPluginInfo);
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nsPluginTag(const char* aName,
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const char* aDescription,
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const char* aFileName,
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const char* aFullPath,
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const char* const* aMimeTypes,
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const char* const* aMimeDescriptions,
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const char* const* aExtensions,
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PRInt32 aVariants,
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PRInt64 aLastModifiedTime = 0,
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PRBool aCanUnload = PR_TRUE);
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~nsPluginTag();
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void SetHost(nsPluginHostImpl * aHost);
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void TryUnloadPlugin(PRBool aForceShutdown = PR_FALSE);
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void Mark(PRUint32 mask) { mFlags |= mask; }
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PRBool Equals(nsPluginTag* aPluginTag);
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enum nsRegisterType {
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ePluginRegister,
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ePluginUnregister
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};
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void RegisterWithCategoryManager(PRBool aOverrideInternalTypes,
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nsRegisterType aType = ePluginRegister);
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nsPluginTag *mNext;
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nsPluginHostImpl *mPluginHost;
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char *mName;
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char *mDescription;
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PRInt32 mVariants;
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char **mMimeTypeArray;
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char **mMimeDescriptionArray;
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char **mExtensionsArray;
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PRLibrary *mLibrary;
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PRBool mCanUnloadLibrary;
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nsIPlugin *mEntryPoint;
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PRUint32 mFlags;
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PRBool mXPConnected;
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char *mFileName;
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char *mFullPath;
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PRInt64 mLastModifiedTime;
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};
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struct nsActivePlugin
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{
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nsActivePlugin* mNext;
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char* mURL;
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nsIPluginInstancePeer* mPeer;
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nsPluginTag* mPluginTag;
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nsIPluginInstance* mInstance;
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PRBool mStopped;
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PRTime mllStopTime;
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PRBool mDefaultPlugin;
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PRBool mXPConnected;
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//Array holding all opened stream listeners for this entry
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nsCOMPtr <nsISupportsArray> mStreams;
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nsActivePlugin(nsPluginTag* aPluginTag,
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nsIPluginInstance* aInstance,
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const char * url,
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PRBool aDefaultPlugin,
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nsIPluginInstancePeer *peer);
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~nsActivePlugin();
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void setStopped(PRBool stopped);
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};
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class nsActivePluginList
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{
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public:
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nsActivePlugin * mFirst;
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nsActivePlugin * mLast;
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PRInt32 mCount;
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nsActivePluginList();
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~nsActivePluginList();
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void shut();
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PRBool add(nsActivePlugin * plugin);
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PRBool remove(nsActivePlugin * plugin);
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nsActivePlugin * find(nsIPluginInstance* instance);
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nsActivePlugin * find(const char * mimetype);
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nsActivePlugin * findStopped(const char * url);
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PRUint32 getStoppedCount();
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nsActivePlugin * findOldestStopped();
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void removeAllStopped();
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void stopRunning(nsISupportsArray* aReloadDocs);
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PRBool IsLastInstance(nsActivePlugin * plugin);
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};
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#define NS_PLUGIN_FLAG_ENABLED 0x0001 //is this plugin enabled?
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#define NS_PLUGIN_FLAG_OLDSCHOOL 0x0002 //is this a pre-xpcom plugin?
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#define NS_PLUGIN_FLAG_FROMCACHE 0x0004 // this plugintag info was loaded from cache
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#define NS_PLUGIN_FLAG_UNWANTED 0x0008 // this is an unwanted plugin
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class nsPluginHostImpl : public nsIPluginManager2,
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public nsIPluginHost,
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public nsIFileUtilities,
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public nsICookieStorage,
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public nsIObserver,
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public nsPIPluginHost
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{
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public:
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nsPluginHostImpl();
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virtual ~nsPluginHostImpl();
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static NS_METHOD
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Create(nsISupports* aOuter, REFNSIID aIID, void** aResult);
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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NS_DECL_ISUPPORTS
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//nsIPluginManager interface - the main interface nsIPlugin communicates to
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NS_IMETHOD
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GetValue(nsPluginManagerVariable variable, void *value);
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NS_IMETHOD
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ReloadPlugins(PRBool reloadPages);
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NS_IMETHOD
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UserAgent(const char* *resultingAgentString);
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NS_IMETHOD
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GetURL(nsISupports* 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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NS_IMETHOD
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GetURLWithHeaders(nsISupports* 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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NS_IMETHOD
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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 = PR_FALSE,
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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 postHeadersLength = 0,
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const char* postHeaders = NULL);
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NS_IMETHOD
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RegisterPlugin(REFNSIID aCID,
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const char* aPluginName,
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const char* aDescription,
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const char** aMimeTypes,
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const char** aMimeDescriptions,
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const char** aFileExtensions,
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PRInt32 aCount);
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NS_IMETHOD
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UnregisterPlugin(REFNSIID aCID);
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//nsIPluginHost interface - used to communicate to the nsPluginInstanceOwner
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NS_IMETHOD
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Init(void);
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NS_IMETHOD
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Destroy(void);
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NS_IMETHOD
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LoadPlugins(void);
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NS_IMETHOD
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GetPluginFactory(const char *aMimeType, nsIPlugin** aPlugin);
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NS_IMETHOD
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InstantiateEmbededPlugin(const char *aMimeType, nsIURI* aURL, nsIPluginInstanceOwner *aOwner);
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NS_IMETHOD
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InstantiateFullPagePlugin(const char *aMimeType, nsString& aURLSpec, nsIStreamListener *&aStreamListener, nsIPluginInstanceOwner *aOwner);
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NS_IMETHOD
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SetUpPluginInstance(const char *aMimeType, nsIURI *aURL, nsIPluginInstanceOwner *aOwner);
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NS_IMETHOD
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IsPluginEnabledForType(const char* aMimeType);
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NS_IMETHOD
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IsPluginEnabledForExtension(const char* aExtension, const char* &aMimeType);
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NS_IMETHOD
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GetPluginCount(PRUint32* aPluginCount);
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NS_IMETHOD
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GetPlugins(PRUint32 aPluginCount, nsIDOMPlugin* aPluginArray[]);
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NS_IMETHOD
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HandleBadPlugin(PRLibrary* aLibrary, nsIPluginInstance *instance);
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//nsIPluginManager2 interface - secondary methods that nsIPlugin communicates to
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NS_IMETHOD
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BeginWaitCursor(void);
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NS_IMETHOD
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EndWaitCursor(void);
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NS_IMETHOD
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SupportsURLProtocol(const char* protocol, PRBool *result);
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NS_IMETHOD
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NotifyStatusChange(nsIPlugin* plugin, nsresult errorStatus);
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NS_IMETHOD
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FindProxyForURL(const char* url, char* *result);
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NS_IMETHOD
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RegisterWindow(nsIEventHandler* handler, nsPluginPlatformWindowRef window);
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NS_IMETHOD
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UnregisterWindow(nsIEventHandler* handler, nsPluginPlatformWindowRef window);
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NS_IMETHOD
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AllocateMenuID(nsIEventHandler* handler, PRBool isSubmenu, PRInt16 *result);
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NS_IMETHOD
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DeallocateMenuID(nsIEventHandler* handler, PRInt16 menuID);
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NS_IMETHOD
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HasAllocatedMenuID(nsIEventHandler* handler, PRInt16 menuID, PRBool *result);
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NS_IMETHOD
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ProcessNextEvent(PRBool *bEventHandled);
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// nsIFactory interface, from nsIPlugin.
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// XXX not currently used?
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NS_IMETHOD CreateInstance(nsISupports *aOuter,
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REFNSIID aIID,
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void **aResult);
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NS_IMETHOD LockFactory(PRBool aLock);
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// nsIFileUtilities interface
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NS_IMETHOD GetProgramPath(const char* *result);
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NS_IMETHOD GetTempDirPath(const char* *result);
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NS_IMETHOD NewTempFileName(const char* prefix, PRUint32 bufLen, char* resultBuf);
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// nsICookieStorage interface
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/**
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* Retrieves a cookie from the browser's persistent cookie store.
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* @param inCookieURL URL string to look up cookie with.
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* @param inOutCookieBuffer buffer large enough to accomodate cookie data.
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* @param inOutCookieSize on input, size of the cookie buffer, on output cookie's size.
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*/
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NS_IMETHOD
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GetCookie(const char* inCookieURL, void* inOutCookieBuffer, PRUint32& inOutCookieSize);
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/**
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* Stores a cookie in the browser's persistent cookie store.
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* @param inCookieURL URL string store cookie with.
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* @param inCookieBuffer buffer containing cookie data.
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* @param inCookieSize specifies size of cookie data.
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*/
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NS_IMETHOD
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SetCookie(const char* inCookieURL, const void* inCookieBuffer, PRUint32 inCookieSize);
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// Methods from nsIObserver
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NS_IMETHOD
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Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData);
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// Methods from nsPIPluginHost
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NS_IMETHOD
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SetIsScriptableInstance(nsIPluginInstance *aPluginInstance, PRBool aScriptable);
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NS_IMETHOD
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ParsePostBufferToFixHeaders(const char *inPostData, PRUint32 inPostDataLen,
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char **outPostData, PRUint32 *outPostDataLen);
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NS_IMETHOD
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CreateTmpFileToPost(const char *postDataURL, char **pTmpFileName);
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NS_IMETHOD
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NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow);
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NS_IMETHOD
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DeletePluginNativeWindow(nsPluginNativeWindow * aPluginNativeWindow);
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/* Called by GetURL and PostURL */
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NS_IMETHOD
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NewPluginURLStream(const nsString& aURL,
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nsIPluginInstance *aInstance,
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nsIPluginStreamListener *aListener,
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const char *aPostData = nsnull,
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PRBool isFile = PR_FALSE,
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PRUint32 aPostDataLen = 0,
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const char *aHeadersData = nsnull,
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PRUint32 aHeadersDataLen = 0);
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nsresult
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DoURLLoadSecurityCheck(nsIPluginInstance *aInstance,
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const char* aURL);
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NS_IMETHOD
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AddHeadersToChannel(const char *aHeadersData, PRUint32 aHeadersDataLen,
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nsIChannel *aGenericChannel);
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NS_IMETHOD
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StopPluginInstance(nsIPluginInstance* aInstance);
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NS_IMETHOD
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AddUnusedLibrary(PRLibrary * aLibrary);
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private:
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NS_IMETHOD
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TrySetUpPluginInstance(const char *aMimeType, nsIURI *aURL, nsIPluginInstanceOwner *aOwner);
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nsresult
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LoadXPCOMPlugins(nsIComponentManager* aComponentManager);
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nsresult
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NewEmbededPluginStream(nsIURI* aURL, nsIPluginInstanceOwner *aOwner, nsIPluginInstance* aInstance);
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nsresult
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NewFullPagePluginStream(nsIStreamListener *&aStreamListener, nsIPluginInstance *aInstance);
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nsresult
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FindPluginEnabledForType(const char* aMimeType, nsPluginTag* &aPlugin);
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nsresult
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FindStoppedPluginForURL(nsIURI* aURL, nsIPluginInstanceOwner *aOwner);
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nsresult
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SetUpDefaultPluginInstance(const char *aMimeType, nsIURI *aURL, nsIPluginInstanceOwner *aOwner);
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nsresult
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AddInstanceToActiveList(nsCOMPtr<nsIPlugin> aPlugin,
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nsIPluginInstance* aInstance,
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nsIURI* aURL, PRBool aDefaultPlugin,
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nsIPluginInstancePeer *peer);
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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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nsIComponentManager * compManager,
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PRBool aCreatePluginList,
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PRBool * aPluginsChanged,
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PRBool checkForUnwantedPlugins = PR_FALSE);
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nsresult
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ScanPluginsDirectoryList(nsISimpleEnumerator * dirEnum,
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nsIComponentManager * compManager,
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PRBool aCreatePluginList,
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PRBool * aPluginsChanged,
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PRBool checkForUnwantedPlugins = PR_FALSE);
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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 filename, returns the plugins info from our cache
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// and removes it from the cache.
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nsPluginTag* RemoveCachedPluginsInfo(const char *filename);
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//checks if the list already have the same plugin as given
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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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// destroys plugin info list
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void ClearCachedPluginInfoList();
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nsresult EnsurePrivateDirServiceProvider();
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nsresult GetPrompt(nsIPluginInstanceOwner *aOwner, nsIPrompt **aPrompt);
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// one-off hack to include nppl3260.dll from the components folder
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nsresult ScanForRealInComponentsFolder(nsIComponentManager * aCompManager);
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// calls PostPluginUnloadEvent for each library in mUnusedLibraries
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void UnloadUnusedLibraries();
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char *mPluginPath;
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nsPluginTag *mPlugins;
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nsPluginTag *mCachedPlugins;
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PRBool mPluginsLoaded;
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PRBool mDontShowBadPluginMessage;
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PRBool mIsDestroyed;
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PRBool mOverrideInternalTypes; // set by pref plugin.override_internal_types
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PRBool mAllowAlienStarHandler; // set by pref plugin.allow_alien_star_handler
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nsActivePluginList mActivePluginList;
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nsVoidArray mUnusedLibraries;
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nsCOMPtr<nsIFile> mPluginRegFile;
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nsCOMPtr<nsIPrefBranch> mPrefService;
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nsRefPtr<nsPluginDirServiceProvider> mPrivateDirServiceProvider;
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nsWeakPtr mCurrentDocument; // weak reference, we use it to id document only
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};
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#endif
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