NPAPI开发例子（包含sdk）

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Sean Echevarria <sean@beatnik.com> * Håkan Waara <hwaara@chello.se> * Josh Aas <josh@mozilla.com> * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* nsPluginHost.cpp - top-level plugin management code */ #include "nscore.h" #include "nsPluginHost.h" #include <stdio.h> #include "prio.h" #include "prmem.h" #include "nsIComponentManager.h" #include "nsNPAPIPlugin.h" #include "nsNPAPIPluginStreamListener.h" #include "nsIPlugin.h" #include "nsNPAPIPluginInstance.h" #include "nsIPluginStreamListener.h" #include "nsIHTTPHeaderListener.h" #include "nsIHttpHeaderVisitor.h" #include "nsIObserverService.h" #include "nsIHttpProtocolHandler.h" #include "nsIHttpChannel.h" #include "nsIHttpChannelInternal.h" #include "nsIUploadChannel.h" #include "nsIByteRangeRequest.h" #include "nsIStreamListener.h" #include "nsIInputStream.h" #include "nsIOutputStream.h" #include "nsIURL.h" #include "nsXPIDLString.h" #include "nsReadableUtils.h" #include "nsIProtocolProxyService.h" #include "nsIStreamConverterService.h" #include "nsIFile.h" #include "nsIInputStream.h" #include "nsIIOService.h" #include "nsIURL.h" #include "nsIChannel.h" #include "nsISeekableStream.h" #include "nsNetUtil.h" #include "nsIProgressEventSink.h" #include "nsIDocument.h" #include "nsICachingChannel.h" #include "nsHashtable.h" #include "nsIProxyInfo.h" #include "nsPluginLogging.h" #include "nsIPrefBranch2.h" #include "nsIScriptChannel.h" #include "nsPrintfCString.h" #include "nsIBlocklistService.h" #include "nsVersionComparator.h" #include "nsIPrivateBrowsingService.h" #include "nsIObjectLoadingContent.h" #include "nsIWritablePropertyBag2.h" #include "nsPluginStreamListenerPeer.h" #include "nsEnumeratorUtils.h" #include "nsXPCOM.h" #include "nsXPCOMCID.h" #include "nsISupportsPrimitives.h" #include "nsIXULRuntime.h" // for the dialog #include "nsIStringBundle.h" #include "nsIWindowWatcher.h" #include "nsPIDOMWindow.h" #include "nsIScriptGlobalObject.h" #include "nsIScriptGlobalObjectOwner.h" #include "nsIPrincipal.h" #include "nsNetCID.h" #include "nsIDOMPlugin.h" #include "nsIDOMMimeType.h" #include "nsMimeTypes.h" #include "prprf.h" #include "nsThreadUtils.h" #include "nsIInputStreamTee.h" #include "nsIInterfaceInfoManager.h" #include "xptinfo.h" #include "nsIMIMEService.h" #include "nsCExternalHandlerService.h" #include "nsILocalFile.h" #include "nsIFileChannel.h" #include "nsPluginSafety.h" #include "nsICharsetConverterManager.h" #include "nsIPlatformCharset.h" #include "nsIDirectoryService.h" #include "nsDirectoryServiceDefs.h" #include "nsXULAppAPI.h" #include "nsAppDirectoryServiceDefs.h" #include "nsIFile.h" #include "nsPluginDirServiceProvider.h" #include "nsInt64.h" #include "nsPluginError.h" #include "nsUnicharUtils.h" #include "nsPluginManifestLineReader.h" #include "nsIWeakReferenceUtils.h" #include "nsIDOMElement.h" #include "nsIDOMHTMLObjectElement.h" #include "nsIDOMHTMLEmbedElement.h" #include "nsIPresShell.h" #include "nsIWebNavigation.h" #include "nsISupportsArray.h" #include "nsIDocShell.h" #include "nsPluginNativeWindow.h" #include "nsIScriptSecurityManager.h" #include "nsIContentPolicy.h" #include "nsContentPolicyUtils.h" #include "nsContentErrors.h" #include "mozilla/TimeStamp.h" #if defined(XP_WIN) #include "nsIWindowMediator.h" #include "nsIBaseWindow.h" #include "windows.h" #include "winbase.h" #endif using namespace mozilla; using mozilla::TimeStamp; // Null out a strong ref to a linked list iteratively to avoid // exhausting the stack (bug 486349). #define NS_ITERATIVE_UNREF_LIST(type_, list_, mNext_) \ { \ while (list_) { \ type_ temp = list_->mNext_; \ list_->mNext_ = nsnull; \ list_ = temp; \ } \ } // this is the name of the directory which will be created // to cache temporary files. #define kPluginTmpDirName NS_LITERAL_CSTRING("plugtmp") // Version of cached plugin info // 0.01 first implementation // 0.02 added caching of CanUnload to fix bug 105935 // 0.03 changed name, description and mime desc from string to bytes, bug 108246 // 0.04 added new mime entry point on Mac, bug 113464 // 0.05 added new entry point check for the default plugin, bug 132430 // 0.06 strip off suffixes in mime description strings, bug 53895 // 0.07 changed nsIRegistry to flat file support for caching plugins info // 0.08 mime entry point on MachO, bug 137535 // 0.09 the file encoding is changed to UTF-8, bug 420285 // 0.10 added plugin versions on appropriate platforms, bug 427743 // 0.11 file name and full path fields now store expected values on all platforms, bug 488181 // 0.12 force refresh due to quicktime pdf claim fix, bug 611197 // 0.13 add architecture and list of invalid plugins, bug 616271 // 0.14 force refresh due to locale comparison fix, bug 611296 // 0.15 force refresh due to bug in reading Java plist MIME data, bug 638171 // The current plugin registry version (and the maximum version we know how to read) static const char *kPluginRegistryVersion = "0.15"; // The minimum registry version we know how to read static const char *kMinimumRegistryVersion = "0.9"; static NS_DEFINE_IID(kIPluginTagInfoIID, NS_IPLUGINTAGINFO_IID); static const char kDirectoryServiceContractID[] = "@mozilla.org/file/directory_service;1"; // Registry keys for caching plugin info static const char kPluginsRootKey[] = "software/plugins"; static const char kPluginsNameKey[] = "name"; static const char kPluginsDescKey[] = "description"; static const char kPluginsFilenameKey[] = "filename"; static const char kPluginsFullpathKey[] = "fullpath"; static const char kPluginsModTimeKey[] = "lastModTimeStamp"; static const char kPluginsCanUnload[] = "canUnload"; static const char kPluginsVersionKey[] = "version"; static const char kPluginsMimeTypeKey[] = "mimetype"; static const char kPluginsMimeDescKey[] = "description"; static const char kPluginsMimeExtKey[] = "extension"; #define kPluginRegistryFilename NS_LITERAL_CSTRING("pluginreg.dat") #ifdef