Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 114 insertions, 0 deletions

diff --git a/Source/WebCore/plugins/PluginDatabase.h b/Source/WebCore/plugins/PluginDatabase.h
new file mode 100644
index 000000000..c412c0966
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+++ b/Source/WebCore/plugins/PluginDatabase.h
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+/*
+ * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
+ * Copyright (C) 2008 Collabora, Ltd.  All rights reserved.
+ * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef PluginDatabase_h
+#define PluginDatabase_h
+
+#include "PlatformString.h"
+#include "PluginPackage.h"
+#include <wtf/HashSet.h>
+#include <wtf/Vector.h>
+#include <wtf/text/StringHash.h>
+
+namespace WebCore {
+    class Element;
+    class Frame;
+    class IntSize;
+    class KURL;
+    class PluginDatabaseClient;
+    class PluginPackage;
+
+    typedef HashSet<RefPtr<PluginPackage>, PluginPackageHash> PluginSet;
+
+    class PluginDatabase {
+        WTF_MAKE_NONCOPYABLE(PluginDatabase); WTF_MAKE_FAST_ALLOCATED;
+    public:
+        PluginDatabase();
+
+        // The first call to installedPlugins creates the plugin database
+        // and by default populates it with the plugins installed on the system.
+        // For testing purposes, it is possible to not populate the database
+        // automatically, as the plugins might affect the DRT results by
+        // writing to a.o. stderr.
+        static PluginDatabase* installedPlugins(bool populate = true);
+
+        bool refresh();
+        void clear();
+        Vector<PluginPackage*> plugins() const;
+        bool isMIMETypeRegistered(const String& mimeType);
+        void addExtraPluginDirectory(const String&);
+
+        static bool isPreferredPluginDirectory(const String& directory);
+        static int preferredPluginCompare(const void*, const void*);
+
+        PluginPackage* findPlugin(const KURL&, String& mimeType);
+        PluginPackage* pluginForMIMEType(const String& mimeType);
+        void setPreferredPluginForMIMEType(const String& mimeType, PluginPackage* plugin);
+
+        void setPluginDirectories(const Vector<String>& directories)
+        {
+            clear();
+            m_pluginDirectories = directories;
+        }
+
+        static Vector<String> defaultPluginDirectories();
+        Vector<String> pluginDirectories() const { return m_pluginDirectories; }
+
+        String MIMETypeForExtension(const String& extension) const;
+#if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE)
+        static bool isPersistentMetadataCacheEnabled();
+        static void setPersistentMetadataCacheEnabled(bool isEnabled);
+        static String persistentMetadataCachePath();
+        static void setPersistentMetadataCachePath(const String& persistentMetadataCachePath);
+#endif
+
+    private:
+        void getPluginPathsInDirectories(HashSet<String>&) const;
+        void getDeletedPlugins(PluginSet&) const;
+
+        // Returns whether the plugin was actually added or not (it won't be added if it's a duplicate of an existing plugin).
+        bool add(PassRefPtr<PluginPackage>);
+        void remove(PluginPackage*);
+#if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE)
+        void loadPersistentMetadataCache();
+        void updatePersistentMetadataCache();
+#endif
+
+        Vector<String> m_pluginDirectories;
+        HashSet<String> m_registeredMIMETypes;
+        PluginSet m_plugins;
+        HashMap<String, RefPtr<PluginPackage> > m_pluginsByPath;
+        HashMap<String, time_t> m_pluginPathsWithTimes;
+        HashMap<String, RefPtr<PluginPackage> > m_preferredPlugins;
+#if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE)
+        bool m_persistentMetadataCacheIsLoaded;
+#endif
+    };
+
+} // namespace WebCore
+
+#endif