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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/hash_tables.h" | 10 #include "base/hash_tables.h" |
(...skipping 16 matching lines...) Expand all Loading... | |
27 | 27 |
28 // Used to keep track of per-instance data. | 28 // Used to keep track of per-instance data. |
29 struct InstanceData { | 29 struct InstanceData { |
30 InstanceData() : fullscreen(PP_FALSE) {} | 30 InstanceData() : fullscreen(PP_FALSE) {} |
31 PP_Rect position; | 31 PP_Rect position; |
32 PP_Bool fullscreen; | 32 PP_Bool fullscreen; |
33 }; | 33 }; |
34 | 34 |
35 class PluginDispatcher : public Dispatcher { | 35 class PluginDispatcher : public Dispatcher { |
36 public: | 36 public: |
37 class PluginDelegate : public ProxyChannel::Delegate { | |
38 public: | |
39 // Returns the set used for globally uniquifying PP_Instances. This same | |
40 // set must be returned for all channels. This is required only for the | |
41 // plugin side, for the host side, the return value may be NULL. | |
viettrungluu
2011/05/18 21:07:46
s/,/;/ (only the first comma). (Admittedly, you're
brettw
2011/05/18 21:14:38
Actually, I should have deleted this since there's
| |
42 // | |
43 // DEREFERENCE ONLY ON THE I/O THREAD. | |
44 virtual std::set<PP_Instance>* GetGloballySeenInstanceIDSet() = 0; | |
45 | |
46 // Returns the WebKit forwarding object used to make calls into WebKit. | |
47 // Necessary only on the plugin side. The host side can return NULL. | |
48 virtual ppapi::WebKitForwarding* GetWebKitForwarding() = 0; | |
49 | |
50 // Posts the given task to the WebKit thread associated with this plugin | |
51 // process. For host processes, this will not be called and can do | |
52 // nothing. The WebKit thread should be lazily created if it does not | |
53 // exist yet. | |
54 virtual void PostToWebKitThread(const tracked_objects::Location& from_here, | |
55 const base::Closure& task) = 0; | |
56 | |
57 // Sends the given message to the browser. Identical semantics to | |
58 // IPC::Message::Sender interface. | |
59 virtual bool SendToBrowser(IPC::Message* msg) = 0; | |
60 }; | |
61 | |
37 // Constructor for the plugin side. The init and shutdown functions will be | 62 // Constructor for the plugin side. The init and shutdown functions will be |
38 // will be automatically called when requested by the renderer side. The | 63 // will be automatically called when requested by the renderer side. The |
39 // module ID will be set upon receipt of the InitializeModule message. | 64 // module ID will be set upon receipt of the InitializeModule message. |
40 // | 65 // |
41 // You must call InitPluginWithChannel after the constructor. | 66 // You must call InitPluginWithChannel after the constructor. |
42 PluginDispatcher(base::ProcessHandle remote_process_handle, | 67 PluginDispatcher(base::ProcessHandle remote_process_handle, |
43 GetInterfaceFunc get_interface); | 68 GetInterfaceFunc get_interface); |
44 virtual ~PluginDispatcher(); | 69 virtual ~PluginDispatcher(); |
45 | 70 |
46 // The plugin side maintains a mapping from PP_Instance to Dispatcher so | 71 // The plugin side maintains a mapping from PP_Instance to Dispatcher so |
47 // that we can send the messages to the right channel if there are multiple | 72 // that we can send the messages to the right channel if there are multiple |
48 // renderers sharing the same plugin. This mapping is maintained by | 73 // renderers sharing the same plugin. This mapping is maintained by |
49 // DidCreateInstance/DidDestroyInstance. | 74 // DidCreateInstance/DidDestroyInstance. |
50 static PluginDispatcher* GetForInstance(PP_Instance instance); | 75 static PluginDispatcher* GetForInstance(PP_Instance instance); |
51 | 76 |
52 static const void* GetInterfaceFromDispatcher(const char* interface); | 77 static const void* GetInterfaceFromDispatcher(const char* interface); |
53 | 78 |
54 // You must call this function before anything else. Returns true on success. | 79 // You must call this function before anything else. Returns true on success. |
55 // The delegate pointer must outlive this class, ownership is not | 80 // The delegate pointer must outlive this class, ownership is not |
56 // transferred. | 81 // transferred. |
57 virtual bool InitPluginWithChannel(Dispatcher::Delegate* delegate, | 82 bool InitPluginWithChannel(PluginDelegate* delegate, |
58 const IPC::ChannelHandle& channel_handle, | 83 const IPC::ChannelHandle& channel_handle, |
59 bool is_client); | 84 bool is_client); |
60 | 85 |
61 // Dispatcher overrides. | 86 // Dispatcher overrides. |
62 virtual bool IsPlugin() const; | 87 virtual bool IsPlugin() const; |
63 virtual bool Send(IPC::Message* msg); | 88 virtual bool Send(IPC::Message* msg); |
64 | 89 |
65 // IPC::Channel::Listener implementation. | 90 // IPC::Channel::Listener implementation. |
66 virtual bool OnMessageReceived(const IPC::Message& msg); | 91 virtual bool OnMessageReceived(const IPC::Message& msg); |
67 virtual void OnChannelError(); | 92 virtual void OnChannelError(); |
68 | 93 |
69 // Keeps track of which dispatcher to use for each instance, active instances | 94 // Keeps track of which dispatcher to use for each instance, active instances |
70 // and tracks associated data like the current size. | 95 // and tracks associated data like the current size. |
71 void DidCreateInstance(PP_Instance instance); | 96 void DidCreateInstance(PP_Instance instance); |
72 void DidDestroyInstance(PP_Instance instance); | 97 void DidDestroyInstance(PP_Instance instance); |
73 | 98 |
74 // Gets the data for an existing instance, or NULL if the instance id doesn't | 99 // Gets the data for an existing instance, or NULL if the instance id doesn't |
75 // correspond to a known instance. | 100 // correspond to a known instance. |
76 InstanceData* GetInstanceData(PP_Instance instance); | 101 InstanceData* GetInstanceData(PP_Instance instance); |
77 | 102 |
78 // Posts the given task to the WebKit thread. | 103 // Posts the given task to the WebKit thread. |
79 void PostToWebKitThread(const tracked_objects::Location& from_here, | 104 void PostToWebKitThread(const tracked_objects::Location& from_here, |
80 const base::Closure& task); | 105 const base::Closure& task); |
81 | 106 |
107 // Calls the PluginDelegate.SendToBrowser function. | |
108 bool SendToBrowser(IPC::Message* msg); | |
109 | |
82 // Returns the WebKitForwarding object used to forward events to WebKit. | 110 // Returns the WebKitForwarding object used to forward events to WebKit. |
83 ppapi::WebKitForwarding* GetWebKitForwarding(); | 111 ppapi::WebKitForwarding* GetWebKitForwarding(); |
84 | 112 |
85 // Returns the "new-style" function API for the given interface ID, creating | 113 // Returns the "new-style" function API for the given interface ID, creating |
86 // it if necessary. | 114 // it if necessary. |
87 // TODO(brettw) this is in progress. It should be merged with the target | 115 // TODO(brettw) this is in progress. It should be merged with the target |
88 // proxies so there is one list to consult. | 116 // proxies so there is one list to consult. |
89 ppapi::FunctionGroupBase* GetFunctionAPI( | 117 ppapi::FunctionGroupBase* GetFunctionAPI( |
90 pp::proxy::InterfaceID id); | 118 pp::proxy::InterfaceID id); |
91 | 119 |
92 private: | 120 private: |
93 friend class PluginDispatcherTest; | 121 friend class PluginDispatcherTest; |
94 | 122 |
95 // Notifies all live instances that they're now closed. This is used when | 123 // Notifies all live instances that they're now closed. This is used when |
96 // a renderer crashes or some other error is received. | 124 // a renderer crashes or some other error is received. |
97 void ForceFreeAllInstances(); | 125 void ForceFreeAllInstances(); |
98 | 126 |
99 // IPC message handlers. | 127 // IPC message handlers. |
100 void OnMsgSupportsInterface(const std::string& interface_name, bool* result); | 128 void OnMsgSupportsInterface(const std::string& interface_name, bool* result); |
101 | 129 |
130 PluginDelegate* plugin_delegate_; | |
131 | |
102 // All target proxies currently created. These are ones that receive | 132 // All target proxies currently created. These are ones that receive |
103 // messages. | 133 // messages. |
104 scoped_ptr<InterfaceProxy> target_proxies_[INTERFACE_ID_COUNT]; | 134 scoped_ptr<InterfaceProxy> target_proxies_[INTERFACE_ID_COUNT]; |
105 | 135 |
106 // Function proxies created for "new-style" FunctionGroups. | 136 // Function proxies created for "new-style" FunctionGroups. |
107 // TODO(brettw) this is in progress. It should be merged with the target | 137 // TODO(brettw) this is in progress. It should be merged with the target |
108 // proxies so there is one list to consult. | 138 // proxies so there is one list to consult. |
109 scoped_ptr< ::ppapi::FunctionGroupBase > | 139 scoped_ptr< ::ppapi::FunctionGroupBase > |
110 function_proxies_[INTERFACE_ID_COUNT]; | 140 function_proxies_[INTERFACE_ID_COUNT]; |
111 | 141 |
112 typedef base::hash_map<PP_Instance, InstanceData> InstanceDataMap; | 142 typedef base::hash_map<PP_Instance, InstanceData> InstanceDataMap; |
113 InstanceDataMap instance_map_; | 143 InstanceDataMap instance_map_; |
114 | 144 |
115 DISALLOW_COPY_AND_ASSIGN(PluginDispatcher); | 145 DISALLOW_COPY_AND_ASSIGN(PluginDispatcher); |
116 }; | 146 }; |
117 | 147 |
118 } // namespace proxy | 148 } // namespace proxy |
119 } // namespace pp | 149 } // namespace pp |
120 | 150 |
121 #endif // PPAPI_PROXY_PLUGIN_DISPATCHER_H_ | 151 #endif // PPAPI_PROXY_PLUGIN_DISPATCHER_H_ |
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