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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 PPAPI_PROXY_PLUGIN_DISPATCHER_H_ | 5 #ifndef PPAPI_PROXY_PLUGIN_DISPATCHER_H_ |
6 #define PPAPI_PROXY_PLUGIN_DISPATCHER_H_ | 6 #define PPAPI_PROXY_PLUGIN_DISPATCHER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/hash_tables.h" | 11 #include "base/hash_tables.h" |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "base/process.h" | 13 #include "base/process.h" |
14 #include "build/build_config.h" | 14 #include "build/build_config.h" |
15 #include "ppapi/c/pp_rect.h" | 15 #include "ppapi/c/pp_rect.h" |
16 #include "ppapi/c/pp_instance.h" | 16 #include "ppapi/c/pp_instance.h" |
17 #include "ppapi/proxy/dispatcher.h" | 17 #include "ppapi/proxy/dispatcher.h" |
18 #include "ppapi/shared_impl/function_group_base.h" | 18 #include "ppapi/shared_impl/function_group_base.h" |
19 #include "ppapi/shared_impl/ppapi_preferences.h" | 19 #include "ppapi/shared_impl/ppapi_preferences.h" |
20 | 20 |
21 class MessageLoop; | 21 class MessageLoop; |
22 | 22 |
23 namespace base { | 23 namespace base { |
24 class WaitableEvent; | 24 class WaitableEvent; |
25 } | 25 } |
26 | 26 |
27 namespace ppapi { | 27 namespace ppapi { |
| 28 |
28 struct Preferences; | 29 struct Preferences; |
29 class Resource; | 30 class Resource; |
30 } | |
31 | 31 |
32 namespace pp { | |
33 namespace proxy { | 32 namespace proxy { |
34 | 33 |
35 // Used to keep track of per-instance data. | 34 // Used to keep track of per-instance data. |
36 struct InstanceData { | 35 struct InstanceData { |
37 InstanceData() : fullscreen(PP_FALSE) {} | 36 InstanceData() : fullscreen(PP_FALSE) {} |
38 PP_Rect position; | 37 PP_Rect position; |
39 PP_Bool fullscreen; | 38 PP_Bool fullscreen; |
40 }; | 39 }; |
41 | 40 |
42 class PluginDispatcher : public Dispatcher { | 41 class PluginDispatcher : public Dispatcher { |
43 public: | 42 public: |
44 class PluginDelegate : public ProxyChannel::Delegate { | 43 class PluginDelegate : public ProxyChannel::Delegate { |
45 public: | 44 public: |
46 // Returns the set used for globally uniquifying PP_Instances. This same | 45 // Returns the set used for globally uniquifying PP_Instances. This same |
47 // set must be returned for all channels. | 46 // set must be returned for all channels. |
48 // | 47 // |
49 // DEREFERENCE ONLY ON THE I/O THREAD. | 48 // DEREFERENCE ONLY ON THE I/O THREAD. |
50 virtual std::set<PP_Instance>* GetGloballySeenInstanceIDSet() = 0; | 49 virtual std::set<PP_Instance>* GetGloballySeenInstanceIDSet() = 0; |
51 | 50 |
52 // Returns the WebKit forwarding object used to make calls into WebKit. | 51 // Returns the WebKit forwarding object used to make calls into WebKit. |
53 // Necessary only on the plugin side. | 52 // Necessary only on the plugin side. |
54 virtual ppapi::WebKitForwarding* GetWebKitForwarding() = 0; | 53 virtual WebKitForwarding* GetWebKitForwarding() = 0; |
55 | 54 |
56 // Posts the given task to the WebKit thread associated with this plugin | 55 // Posts the given task to the WebKit thread associated with this plugin |
57 // process. The WebKit thread should be lazily created if it does not | 56 // process. The WebKit thread should be lazily created if it does not |
58 // exist yet. | 57 // exist yet. |
59 virtual void PostToWebKitThread(const tracked_objects::Location& from_here, | 58 virtual void PostToWebKitThread(const tracked_objects::Location& from_here, |
60 const base::Closure& task) = 0; | 59 const base::Closure& task) = 0; |
61 | 60 |
62 // Sends the given message to the browser. Identical semantics to | 61 // Sends the given message to the browser. Identical semantics to |
63 // IPC::Message::Sender interface. | 62 // IPC::Message::Sender interface. |
64 virtual bool SendToBrowser(IPC::Message* msg) = 0; | 63 virtual bool SendToBrowser(IPC::Message* msg) = 0; |
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80 virtual ~PluginDispatcher(); | 79 virtual ~PluginDispatcher(); |
81 | 80 |
82 // The plugin side maintains a mapping from PP_Instance to Dispatcher so | 81 // The plugin side maintains a mapping from PP_Instance to Dispatcher so |
83 // that we can send the messages to the right channel if there are multiple | 82 // that we can send the messages to the right channel if there are multiple |
84 // renderers sharing the same plugin. This mapping is maintained by | 83 // renderers sharing the same plugin. This mapping is maintained by |
85 // DidCreateInstance/DidDestroyInstance. | 84 // DidCreateInstance/DidDestroyInstance. |
86 static PluginDispatcher* GetForInstance(PP_Instance instance); | 85 static PluginDispatcher* GetForInstance(PP_Instance instance); |
87 | 86 |
88 // Same as GetForInstance but retrieves the instance from the given resource | 87 // Same as GetForInstance but retrieves the instance from the given resource |
89 // object as a convenience. Returns NULL on failure. | 88 // object as a convenience. Returns NULL on failure. |
90 static PluginDispatcher* GetForResource(const ppapi::Resource* resource); | 89 static PluginDispatcher* GetForResource(const Resource* resource); |
91 | 90 |
92 static const void* GetInterfaceFromDispatcher(const char* interface); | 91 static const void* GetInterfaceFromDispatcher(const char* interface); |
93 | 92 |
94 // You must call this function before anything else. Returns true on success. | 93 // You must call this function before anything else. Returns true on success. |
95 // The delegate pointer must outlive this class, ownership is not | 94 // The delegate pointer must outlive this class, ownership is not |
96 // transferred. | 95 // transferred. |
97 bool InitPluginWithChannel(PluginDelegate* delegate, | 96 bool InitPluginWithChannel(PluginDelegate* delegate, |
98 const IPC::ChannelHandle& channel_handle, | 97 const IPC::ChannelHandle& channel_handle, |
99 bool is_client); | 98 bool is_client); |
100 | 99 |
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116 InstanceData* GetInstanceData(PP_Instance instance); | 115 InstanceData* GetInstanceData(PP_Instance instance); |
117 | 116 |
118 // Posts the given task to the WebKit thread. | 117 // Posts the given task to the WebKit thread. |
119 void PostToWebKitThread(const tracked_objects::Location& from_here, | 118 void PostToWebKitThread(const tracked_objects::Location& from_here, |
120 const base::Closure& task); | 119 const base::Closure& task); |
121 | 120 |
122 // Calls the PluginDelegate.SendToBrowser function. | 121 // Calls the PluginDelegate.SendToBrowser function. |
123 bool SendToBrowser(IPC::Message* msg); | 122 bool SendToBrowser(IPC::Message* msg); |
124 | 123 |
125 // Returns the WebKitForwarding object used to forward events to WebKit. | 124 // Returns the WebKitForwarding object used to forward events to WebKit. |
126 ppapi::WebKitForwarding* GetWebKitForwarding(); | 125 WebKitForwarding* GetWebKitForwarding(); |
127 | 126 |
128 // Returns the Preferences. | 127 // Returns the Preferences. |
129 const ppapi::Preferences& preferences() const { return preferences_; } | 128 const Preferences& preferences() const { return preferences_; } |
130 | 129 |
131 // Returns the "new-style" function API for the given interface ID, creating | 130 // Returns the "new-style" function API for the given interface ID, creating |
132 // it if necessary. | 131 // it if necessary. |
133 // TODO(brettw) this is in progress. It should be merged with the target | 132 // TODO(brettw) this is in progress. It should be merged with the target |
134 // proxies so there is one list to consult. | 133 // proxies so there is one list to consult. |
135 ppapi::FunctionGroupBase* GetFunctionAPI( | 134 FunctionGroupBase* GetFunctionAPI(InterfaceID id); |
136 pp::proxy::InterfaceID id); | |
137 | 135 |
138 uint32 plugin_dispatcher_id() const { return plugin_dispatcher_id_; } | 136 uint32 plugin_dispatcher_id() const { return plugin_dispatcher_id_; } |
139 | 137 |
140 private: | 138 private: |
141 friend class PluginDispatcherTest; | 139 friend class PluginDispatcherTest; |
142 | 140 |
143 // Notifies all live instances that they're now closed. This is used when | 141 // Notifies all live instances that they're now closed. This is used when |
144 // a renderer crashes or some other error is received. | 142 // a renderer crashes or some other error is received. |
145 void ForceFreeAllInstances(); | 143 void ForceFreeAllInstances(); |
146 | 144 |
147 // IPC message handlers. | 145 // IPC message handlers. |
148 void OnMsgSupportsInterface(const std::string& interface_name, bool* result); | 146 void OnMsgSupportsInterface(const std::string& interface_name, bool* result); |
149 void OnMsgSetPreferences(const ::ppapi::Preferences& prefs); | 147 void OnMsgSetPreferences(const Preferences& prefs); |
150 | 148 |
151 PluginDelegate* plugin_delegate_; | 149 PluginDelegate* plugin_delegate_; |
152 | 150 |
153 // All target proxies currently created. These are ones that receive | 151 // All target proxies currently created. These are ones that receive |
154 // messages. | 152 // messages. |
155 scoped_ptr<InterfaceProxy> target_proxies_[INTERFACE_ID_COUNT]; | 153 scoped_ptr<InterfaceProxy> target_proxies_[INTERFACE_ID_COUNT]; |
156 | 154 |
157 // Function proxies created for "new-style" FunctionGroups. | 155 // Function proxies created for "new-style" FunctionGroups. |
158 // TODO(brettw) this is in progress. It should be merged with the target | 156 // TODO(brettw) this is in progress. It should be merged with the target |
159 // proxies so there is one list to consult. | 157 // proxies so there is one list to consult. |
160 scoped_ptr< ::ppapi::FunctionGroupBase > | 158 scoped_ptr<FunctionGroupBase> function_proxies_[INTERFACE_ID_COUNT]; |
161 function_proxies_[INTERFACE_ID_COUNT]; | |
162 | 159 |
163 typedef base::hash_map<PP_Instance, InstanceData> InstanceDataMap; | 160 typedef base::hash_map<PP_Instance, InstanceData> InstanceDataMap; |
164 InstanceDataMap instance_map_; | 161 InstanceDataMap instance_map_; |
165 | 162 |
166 // The preferences sent from the host. We only want to set this once, which | 163 // The preferences sent from the host. We only want to set this once, which |
167 // is what the received_preferences_ indicates. See OnMsgSetPreferences. | 164 // is what the received_preferences_ indicates. See OnMsgSetPreferences. |
168 bool received_preferences_; | 165 bool received_preferences_; |
169 ppapi::Preferences preferences_; | 166 Preferences preferences_; |
170 | 167 |
171 uint32 plugin_dispatcher_id_; | 168 uint32 plugin_dispatcher_id_; |
172 | 169 |
173 DISALLOW_COPY_AND_ASSIGN(PluginDispatcher); | 170 DISALLOW_COPY_AND_ASSIGN(PluginDispatcher); |
174 }; | 171 }; |
175 | 172 |
176 } // namespace proxy | 173 } // namespace proxy |
177 } // namespace pp | 174 } // namespace ppapi |
178 | 175 |
179 #endif // PPAPI_PROXY_PLUGIN_DISPATCHER_H_ | 176 #endif // PPAPI_PROXY_PLUGIN_DISPATCHER_H_ |
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