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 "PlatformString.h" 32 #include "PluginPackage.h" 33 #include <wtf/HashSet.h> 34 #include <wtf/Vector.h> 35 #include <wtf/text/StringHash.h> 36 37 #if defined(ANDROID_PLUGINS) 38 namespace android { 39 class WebSettings; 40 } 41 #endif 42 43 namespace WebCore { 44 class Element; 45 class Frame; 46 class IntSize; 47 class KURL; 48 class PluginDatabaseClient; 49 class PluginPackage; 50 51 typedef HashSet<RefPtr<PluginPackage>, PluginPackageHash> PluginSet; 52 53 class PluginDatabase { 54 WTF_MAKE_NONCOPYABLE(PluginDatabase); WTF_MAKE_FAST_ALLOCATED; 55 public: 56 PluginDatabase(); 57 58 // The first call to installedPlugins creates the plugin database 59 // and by default populates it with the plugins installed on the system. 60 // For testing purposes, it is possible to not populate the database 61 // automatically, as the plugins might affect the DRT results by 62 // writing to a.o. stderr. 63 static PluginDatabase* installedPlugins(bool populate = true); 64 65 bool refresh(); 66 void clear(); 67 Vector<PluginPackage*> plugins() const; 68 bool isMIMETypeRegistered(const String& mimeType); 69 void addExtraPluginDirectory(const String&); 70 71 static bool isPreferredPluginDirectory(const String& directory); 72 static int preferredPluginCompare(const void*, const void*); 73 74 PluginPackage* findPlugin(const KURL&, String& mimeType); 75 PluginPackage* pluginForMIMEType(const String& mimeType); 76 void setPreferredPluginForMIMEType(const String& mimeType, PluginPackage* plugin); 77 setPluginDirectories(const Vector<String> & directories)78 void setPluginDirectories(const Vector<String>& directories) 79 { 80 clear(); 81 m_pluginDirectories = directories; 82 } 83 84 static Vector<String> defaultPluginDirectories(); pluginDirectories()85 Vector<String> pluginDirectories() const { return m_pluginDirectories; } 86 87 String MIMETypeForExtension(const String& extension) const; 88 #if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE) 89 static bool isPersistentMetadataCacheEnabled(); 90 static void setPersistentMetadataCacheEnabled(bool isEnabled); 91 static String persistentMetadataCachePath(); 92 static void setPersistentMetadataCachePath(const String& persistentMetadataCachePath); 93 #endif 94 95 private: 96 void getPluginPathsInDirectories(HashSet<String>&) const; 97 void getDeletedPlugins(PluginSet&) const; 98 99 // Returns whether the plugin was actually added or not (it won't be added if it's a duplicate of an existing plugin). 100 bool add(PassRefPtr<PluginPackage>); 101 void remove(PluginPackage*); 102 #if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE) 103 void loadPersistentMetadataCache(); 104 void updatePersistentMetadataCache(); 105 #endif 106 107 Vector<String> m_pluginDirectories; 108 HashSet<String> m_registeredMIMETypes; 109 PluginSet m_plugins; 110 HashMap<String, RefPtr<PluginPackage> > m_pluginsByPath; 111 HashMap<String, time_t> m_pluginPathsWithTimes; 112 113 #if defined(ANDROID_PLUGINS) 114 // Need access to setPluginDirectories() to change the default 115 // path after startup. 116 friend class ::android::WebSettings; 117 #endif 118 HashMap<String, RefPtr<PluginPackage> > m_preferredPlugins; 119 #if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE) 120 bool m_persistentMetadataCacheIsLoaded; 121 #endif 122 }; 123 124 } // namespace WebCore 125 126 #endif 127