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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_ | 5 #ifndef WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_ |
| 6 #define WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_ | 6 #define WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
| 12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
| 13 #include "base/native_library.h" | 13 #include "base/native_library.h" |
| 14 #include "build/build_config.h" | 14 #include "build/build_config.h" |
| 15 #include "webkit/plugins/npapi/plugin_list.h" | 15 #include "webkit/plugins/npapi/plugin_list.h" |
| 16 #include "webkit/plugins/npapi/webplugin.h" | 16 #include "webkit/plugins/npapi/webplugin.h" |
| 17 | 17 |
| 18 class FilePath; | 18 class FilePath; |
| 19 struct WebPluginInfo; | |
| 20 | 19 |
| 21 namespace webkit { | 20 namespace webkit { |
| 22 namespace npapi { | 21 namespace npapi { |
| 23 | 22 |
| 24 class PluginInstance; | 23 class PluginInstance; |
| 25 | 24 |
| 26 // A PluginLib is a single NPAPI Plugin Library, and is the lifecycle | 25 // A PluginLib is a single NPAPI Plugin Library, and is the lifecycle |
| 27 // manager for new PluginInstances. | 26 // manager for new PluginInstances. |
| 28 class PluginLib : public base::RefCounted<PluginLib> { | 27 class PluginLib : public base::RefCounted<PluginLib> { |
| 29 public: | 28 public: |
| 30 static PluginLib* CreatePluginLib(const FilePath& filename); | 29 static PluginLib* CreatePluginLib(const FilePath& filename); |
| 31 | 30 |
| 32 // Creates a WebPluginInfo structure given a plugin's path. On success | 31 // Creates a WebPluginInfo structure given a plugin's path. On success |
| 33 // returns true, with the information being put into "info". | 32 // returns true, with the information being put into "info". |
| 34 // Returns false if the library couldn't be found, or if it's not a plugin. | 33 // Returns false if the library couldn't be found, or if it's not a plugin. |
| 35 static bool ReadWebPluginInfo(const FilePath& filename, WebPluginInfo* info); | 34 static bool ReadWebPluginInfo(const FilePath& filename, |
| 35 webkit::WebPluginInfo* info); |
| 36 | 36 |
| 37 #if defined(OS_POSIX) && !defined(OS_MACOSX) | 37 #if defined(OS_POSIX) && !defined(OS_MACOSX) |
| 38 // Parse the result of an NP_GetMIMEDescription() call. | 38 // Parse the result of an NP_GetMIMEDescription() call. |
| 39 // This API is only used on Unixes, and is exposed here for testing. | 39 // This API is only used on Unixes, and is exposed here for testing. |
| 40 static void ParseMIMEDescription(const std::string& description, | 40 static void ParseMIMEDescription(const std::string& description, |
| 41 std::vector<WebPluginMimeType>* mime_types); | 41 std::vector<webkit::WebPluginMimeType>* mime_types); |
| 42 | 42 |
| 43 // Extract a version number from a description string. | 43 // Extract a version number from a description string. |
| 44 // This API is only used on Unixes, and is exposed here for testing. | 44 // This API is only used on Unixes, and is exposed here for testing. |
| 45 static void ExtractVersionString(const std::string& version, | 45 static void ExtractVersionString(const std::string& version, |
| 46 WebPluginInfo* info); | 46 webkit::WebPluginInfo* info); |
| 47 #endif | 47 #endif |
| 48 | 48 |
| 49 // Unloads all the loaded plugin libraries and cleans up the plugin map. | 49 // Unloads all the loaded plugin libraries and cleans up the plugin map. |
| 50 static void UnloadAllPlugins(); | 50 static void UnloadAllPlugins(); |
| 51 | 51 |
| 52 // Shuts down all loaded plugin instances. | 52 // Shuts down all loaded plugin instances. |
| 53 static void ShutdownAllPlugins(); | 53 static void ShutdownAllPlugins(); |
| 54 | 54 |
| 55 // Get the Plugin's function pointer table. | 55 // Get the Plugin's function pointer table. |
| 56 NPPluginFuncs* functions(); | 56 NPPluginFuncs* functions(); |
| 57 | 57 |
| 58 // Creates a new instance of this plugin. | 58 // Creates a new instance of this plugin. |
| 59 PluginInstance* CreateInstance(const std::string& mime_type); | 59 PluginInstance* CreateInstance(const std::string& mime_type); |
| 60 | 60 |
| 61 // Called by the instance when the instance is tearing down. | 61 // Called by the instance when the instance is tearing down. |
| 62 void CloseInstance(); | 62 void CloseInstance(); |
| 63 | 63 |
| 64 // Gets information about this plugin and the mime types that it | 64 // Gets information about this plugin and the mime types that it |
| 65 // supports. | 65 // supports. |
| 66 const WebPluginInfo& plugin_info() { return web_plugin_info_; } | 66 const webkit::WebPluginInfo& plugin_info() { return web_plugin_info_; } |
| 67 | 67 |
| 68 bool internal() { return internal_; } | 68 bool internal() { return internal_; } |
| 69 | 69 |
| 70 // | 70 // |
| 71 // NPAPI functions | 71 // NPAPI functions |
| 72 // | 72 // |
| 73 | 73 |
| 74 // NPAPI method to initialize a Plugin. | 74 // NPAPI method to initialize a Plugin. |
| 75 // Initialize can be safely called multiple times | 75 // Initialize can be safely called multiple times |
| 76 NPError NP_Initialize(); | 76 NPError NP_Initialize(); |
| (...skipping 18 matching lines...) Expand all Loading... |
| 95 void set_defer_unload(bool defer_unload) { | 95 void set_defer_unload(bool defer_unload) { |
| 96 defer_unload_ = defer_unload; | 96 defer_unload_ = defer_unload; |
| 97 } | 97 } |
| 98 | 98 |
| 99 // protected for testability. | 99 // protected for testability. |
| 100 protected: | 100 protected: |
| 101 friend class base::RefCounted<PluginLib>; | 101 friend class base::RefCounted<PluginLib>; |
| 102 | 102 |
| 103 // Creates a new PluginLib. | 103 // Creates a new PluginLib. |
| 104 // |entry_points| is non-NULL for internal plugins. | 104 // |entry_points| is non-NULL for internal plugins. |
| 105 PluginLib(const WebPluginInfo& info, | 105 PluginLib(const webkit::WebPluginInfo& info, |
| 106 const PluginEntryPoints* entry_points); | 106 const PluginEntryPoints* entry_points); |
| 107 | 107 |
| 108 virtual ~PluginLib(); | 108 virtual ~PluginLib(); |
| 109 | 109 |
| 110 // Attempts to load the plugin from the library. | 110 // Attempts to load the plugin from the library. |
| 111 // Returns true if it is a legitimate plugin, false otherwise | 111 // Returns true if it is a legitimate plugin, false otherwise |
| 112 bool Load(); | 112 bool Load(); |
| 113 | 113 |
| 114 // Unloads the plugin library. | 114 // Unloads the plugin library. |
| 115 void Unload(); | 115 void Unload(); |
| 116 | 116 |
| 117 // Shutdown the plugin library. | 117 // Shutdown the plugin library. |
| 118 void Shutdown(); | 118 void Shutdown(); |
| 119 | 119 |
| 120 private: | 120 private: |
| 121 bool internal_; // True for plugins that are built-in into chrome binaries. | 121 bool internal_; // True for plugins that are built-in into chrome binaries. |
| 122 WebPluginInfo web_plugin_info_; // Supported mime types, description | 122 webkit::WebPluginInfo web_plugin_info_; // Supported mime types, description |
| 123 base::NativeLibrary library_; // The opened library reference. | 123 base::NativeLibrary library_; // The opened library reference. |
| 124 NPPluginFuncs plugin_funcs_; // The struct of plugin side functions. | 124 NPPluginFuncs plugin_funcs_; // The struct of plugin side functions. |
| 125 bool initialized_; // Is the plugin initialized? | 125 bool initialized_; // Is the plugin initialized? |
| 126 NPSavedData *saved_data_; // Persisted plugin info for NPAPI. | 126 NPSavedData *saved_data_; // Persisted plugin info for NPAPI. |
| 127 int instance_count_; // Count of plugins in use. | 127 int instance_count_; // Count of plugins in use. |
| 128 bool skip_unload_; // True if library_ should not be unloaded. | 128 bool skip_unload_; // True if library_ should not be unloaded. |
| 129 | 129 |
| 130 // Function pointers to entry points into the plugin. | 130 // Function pointers to entry points into the plugin. |
| 131 PluginEntryPoints entry_points_; | 131 PluginEntryPoints entry_points_; |
| 132 | 132 |
| 133 // Set to true if unloading of the plugin dll is to be deferred. | 133 // Set to true if unloading of the plugin dll is to be deferred. |
| 134 bool defer_unload_; | 134 bool defer_unload_; |
| 135 | 135 |
| 136 DISALLOW_COPY_AND_ASSIGN(PluginLib); | 136 DISALLOW_COPY_AND_ASSIGN(PluginLib); |
| 137 }; | 137 }; |
| 138 | 138 |
| 139 } // namespace npapi | 139 } // namespace npapi |
| 140 } // namespace webkit | 140 } // namespace webkit |
| 141 | 141 |
| 142 #endif // WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_ | 142 #endif // WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_ |
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