1/* 2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 3 * Copyright (C) 2008 Collabora, Ltd. All rights reserved. 4 * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies) 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#ifndef PluginDatabase_h 29#define PluginDatabase_h 30 31#include "PluginPackage.h" 32#include <wtf/HashSet.h> 33#include <wtf/Vector.h> 34#include <wtf/text/StringHash.h> 35#include <wtf/text/WTFString.h> 36 37namespace WebCore { 38 class Element; 39 class Frame; 40 class IntSize; 41 class KURL; 42 class PluginDatabaseClient; 43 class PluginPackage; 44 45 typedef HashSet<RefPtr<PluginPackage>, PluginPackageHash, PluginPackageHashTraits> PluginSet; 46 47 class PluginDatabase { 48 WTF_MAKE_NONCOPYABLE(PluginDatabase); WTF_MAKE_FAST_ALLOCATED; 49 public: 50 PluginDatabase(); 51 52 // The first call to installedPlugins creates the plugin database 53 // and by default populates it with the plugins installed on the system. 54 // For testing purposes, it is possible to not populate the database 55 // automatically, as the plugins might affect the DRT results by 56 // writing to a.o. stderr. 57 static PluginDatabase* installedPlugins(bool populate = true); 58 59 bool refresh(); 60 void clear(); 61 Vector<PluginPackage*> plugins() const; 62 bool isMIMETypeRegistered(const String& mimeType); 63 void addExtraPluginDirectory(const String&); 64 65 static bool isPreferredPluginDirectory(const String& directory); 66 static int preferredPluginCompare(const void*, const void*); 67 68 PluginPackage* findPlugin(const KURL&, String& mimeType); 69 PluginPackage* pluginForMIMEType(const String& mimeType); 70 void setPreferredPluginForMIMEType(const String& mimeType, PluginPackage* plugin); 71 72 void setPluginDirectories(const Vector<String>& directories) 73 { 74 clear(); 75 m_pluginDirectories = directories; 76 } 77 78 bool removeDisabledPluginFile(const String& fileName); 79 bool addDisabledPluginFile(const String& fileName); 80 static Vector<String> defaultPluginDirectories(); 81 Vector<String> pluginDirectories() const { return m_pluginDirectories; } 82 83 String MIMETypeForExtension(const String& extension) const; 84#if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE) 85 static bool isPersistentMetadataCacheEnabled(); 86 static void setPersistentMetadataCacheEnabled(bool isEnabled); 87 static String persistentMetadataCachePath(); 88 static void setPersistentMetadataCachePath(const String& persistentMetadataCachePath); 89#endif 90 91 private: 92 void getPluginPathsInDirectories(HashSet<String>&) const; 93 void getDeletedPlugins(PluginSet&) const; 94 bool fileExistsAndIsNotDisabled(const String&) const; 95 96 // Returns whether the plugin was actually added or not (it won't be added if it's a duplicate of an existing plugin). 97 bool add(PassRefPtr<PluginPackage>); 98 void remove(PluginPackage*); 99#if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE) 100 void loadPersistentMetadataCache(); 101 void updatePersistentMetadataCache(); 102#endif 103 104 HashSet<String> m_disabledPluginFiles; 105 Vector<String> m_pluginDirectories; 106 HashSet<String> m_registeredMIMETypes; 107 PluginSet m_plugins; 108 HashMap<String, RefPtr<PluginPackage> > m_pluginsByPath; 109 HashMap<String, time_t> m_pluginPathsWithTimes; 110 HashMap<String, RefPtr<PluginPackage> > m_preferredPlugins; 111#if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE) 112 bool m_persistentMetadataCacheIsLoaded; 113#endif 114 }; 115 116} // namespace WebCore 117 118#endif 119