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Side by Side Diff: ppapi/proxy/host_dispatcher.h

Issue 7844018: Revert 100748 - This patch tries to remove most of the manual registration for Pepper interfaces,... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 9 years, 3 months ago
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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_HOST_DISPATCHER_H_ 5 #ifndef PPAPI_PROXY_HOST_DISPATCHER_H_
6 #define PPAPI_PROXY_HOST_DISPATCHER_H_ 6 #define PPAPI_PROXY_HOST_DISPATCHER_H_
7 7
8 #include <map> 8 #include <map>
9 #include <string> 9 #include <string>
10 #include <vector> 10 #include <vector>
(...skipping 14 matching lines...) Expand all
25 namespace IPC { 25 namespace IPC {
26 class SyncChannel; 26 class SyncChannel;
27 } 27 }
28 28
29 namespace ppapi { 29 namespace ppapi {
30 30
31 struct Preferences; 31 struct Preferences;
32 32
33 namespace proxy { 33 namespace proxy {
34 34
35 class InterfaceProxy;
35 class VarSerialization; 36 class VarSerialization;
36 37
37 class PPAPI_PROXY_EXPORT HostDispatcher : public Dispatcher { 38 class PPAPI_PROXY_EXPORT HostDispatcher : public Dispatcher {
38 public: 39 public:
39 // Constructor for the renderer side. 40 // Constructor for the renderer side.
40 // 41 //
41 // You must call InitHostWithChannel after the constructor. 42 // You must call InitHostWithChannel after the constructor.
42 HostDispatcher(base::ProcessHandle host_process_handle, 43 HostDispatcher(base::ProcessHandle host_process_handle,
43 PP_Module module, 44 PP_Module module,
44 GetInterfaceFunc local_get_interface); 45 GetInterfaceFunc local_get_interface);
(...skipping 27 matching lines...) Expand all
72 virtual bool Send(IPC::Message* msg); 73 virtual bool Send(IPC::Message* msg);
73 74
74 // IPC::Channel::Listener. 75 // IPC::Channel::Listener.
75 virtual bool OnMessageReceived(const IPC::Message& msg); 76 virtual bool OnMessageReceived(const IPC::Message& msg);
76 virtual void OnChannelError(); 77 virtual void OnChannelError();
77 78
78 // Proxied version of calling GetInterface on the plugin. This will check 79 // Proxied version of calling GetInterface on the plugin. This will check
79 // if the plugin supports the given interface (with caching) and returns the 80 // if the plugin supports the given interface (with caching) and returns the
80 // pointer to the proxied interface if it is supported. Returns NULL if the 81 // pointer to the proxied interface if it is supported. Returns NULL if the
81 // given interface isn't supported by the plugin or the proxy. 82 // given interface isn't supported by the plugin or the proxy.
82 const void* GetProxiedInterface(const std::string& iface_name); 83 const void* GetProxiedInterface(const std::string& proxied_interface);
84
85 // Returns the proxy object associated with the given interface ID, creating
86 // it if necessary. This is used in cases where a proxy needs to access code
87 // in the proxy for another interface. It's assumed that the interface always
88 // exists, so this is only used for browser proxies.
89 //
90 // Will return NULL if an interface isn't supported.
91 InterfaceProxy* GetOrCreatePPBInterfaceProxy(InterfaceID id);
83 92
84 // See the value below. Call this when processing a scripting message from 93 // See the value below. Call this when processing a scripting message from
85 // the plugin that can be reentered. This is set to false at the beginning 94 // the plugin that can be reentered.
86 // of processing of each message from the plugin.
87 void set_allow_plugin_reentrancy() { 95 void set_allow_plugin_reentrancy() {
88 allow_plugin_reentrancy_ = true; 96 allow_plugin_reentrancy_ = true;
89 } 97 }
90 98
91 // Returns the proxy interface for talking to the implementation. 99 // Returns the proxy interface for talking to the implementation.
92 const PPB_Proxy_Private* ppb_proxy() const { return ppb_proxy_; } 100 const PPB_Proxy_Private* ppb_proxy() const { return ppb_proxy_; }
93 101
94 protected: 102 private:
95 // Overridden from Dispatcher. 103 friend class HostDispatcherTest;
96 virtual void OnInvalidMessageReceived();
97 104
98 private: 105 // Makes an instance of the given PPB interface proxy, storing it in the
106 // target_proxies_ array. An proxy for this interface must not exist yet.
107 InterfaceProxy* CreatePPBInterfaceProxy(const InterfaceProxy::Info* info);
108
99 PP_Module pp_module_; 109 PP_Module pp_module_;
100 110
111 typedef std::map<std::string, bool> PluginIFSupportedMap;
101 // Maps interface name to whether that interface is supported. If an interface 112 // Maps interface name to whether that interface is supported. If an interface
102 // name is not in the map, that implies that we haven't queried for it yet. 113 // name is not in the map, that implies that we haven't queried for it yet.
103 typedef base::hash_map<std::string, bool> PluginSupportedMap; 114 std::map<std::string, bool> plugin_if_supported_;
104 PluginSupportedMap plugin_supported_; 115
116 // All target proxies currently created. These are ones that receive
117 // messages. They are created on demand when we receive messages.
118 scoped_ptr<InterfaceProxy> target_proxies_[INTERFACE_ID_COUNT];
119
120 // Function proxies created for "new-style" FunctionGroups.
121 // TODO(brettw) this is in progress. It should be merged with the target
122 // proxies so there is one list to consult.
123 scoped_ptr<FunctionGroupBase> function_proxies_[INTERFACE_ID_COUNT];
105 124
106 // Guaranteed non-NULL. 125 // Guaranteed non-NULL.
107 const PPB_Proxy_Private* ppb_proxy_; 126 const PPB_Proxy_Private* ppb_proxy_;
108 127
109 // Set to true when the plugin is in a state that it can be reentered by a 128 // Set to true when the plugin is in a state that it can be reentered by a
110 // sync message from the host. We allow reentrancy only when we're processing 129 // sync message from the host. We allow reentrancy only when we're processing
111 // a sync message from the renderer that is a scripting command. When the 130 // a sync message from the renderer that is a scripting command. When the
112 // plugin is in this state, it needs to accept reentrancy since scripting may 131 // plugin is in this state, it needs to accept reentrancy since scripting may
113 // ultimately call back into the plugin. 132 // ultimately call back into the plugin.
114 bool allow_plugin_reentrancy_; 133 bool allow_plugin_reentrancy_;
(...skipping 15 matching lines...) Expand all
130 private: 149 private:
131 HostDispatcher* dispatcher_; 150 HostDispatcher* dispatcher_;
132 151
133 DISALLOW_COPY_AND_ASSIGN(ScopedModuleReference); 152 DISALLOW_COPY_AND_ASSIGN(ScopedModuleReference);
134 }; 153 };
135 154
136 } // namespace proxy 155 } // namespace proxy
137 } // namespace ppapi 156 } // namespace ppapi
138 157
139 #endif // PPAPI_PROXY_HOST_DISPATCHER_H_ 158 #endif // PPAPI_PROXY_HOST_DISPATCHER_H_
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