Initial audio implementation.

ppapi/proxy/dispatcher.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PPAPI_PROXY_DISPATCHER_H_
 #define PPAPI_PROXY_DISPATCHER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/linked_ptr.h"
+#include "base/process.h"
 #include "base/scoped_ptr.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/proxy/callback_tracker.h"
 #include "ppapi/proxy/interface_id.h"
 #include "ppapi/proxy/plugin_resource_tracker.h"
 #include "ppapi/proxy/plugin_var_tracker.h"
 
@@ skipping 56 matching lines @@
   // Wrapper for calling the local GetInterface function.
   const void* GetLocalInterface(const char* interface);
 
   // Implements PPP_GetInterface and PPB_GetInterface on the "source" side. It
   // will check if the remote side supports this interface as a target, and
   // create a proxy if it does. A local implementation of that interface backed
   // by the proxy will be returned on success. If the interface is unproxyable
   // or not supported by the remote side, returns NULL.
   const void* GetProxiedInterface(const std::string& interface);
 
+  // Returns the remote process' handle. For the host dispatcher, this will be
+  // the plugin process, and for the plugin dispatcher, this will be the
+  // renderer process. This is used for sharing memory and such and is
+  // guaranteed valid (unless the remote process has suddenly died).
+  base::ProcessHandle remote_process_handle() const {
+    return remote_process_handle_;
+  }
+
   // Called if the remote side is declaring to us which interfaces it supports
   // so we don't have to query for each one. We'll pre-create proxies for
   // each of the given interfaces.
 
   // IPC::Message::Sender implementation.
   virtual bool Send(IPC::Message* msg);
 
   // IPC::Channel::Listener implementation.
   virtual void OnMessageReceived(const IPC::Message& msg);
 
   IPC::SyncChannel* channel() const {
     return channel_.get();
   }
 
   CallbackTracker& callback_tracker() {
     return callback_tracker_;
   }
 
  protected:
-  Dispatcher(GetInterfaceFunc local_get_interface);
+  Dispatcher(base::ProcessHandle remote_process_handle,
+             GetInterfaceFunc local_get_interface);
 
   // Setter for the derived classes to set the appropriate var serialization.
   // Takes ownership of the given pointer, which must be on the heap.
   void SetSerializationRules(VarSerializationRules* var_serialization_rules);
 
   void set_pp_module(PP_Module module) {
     pp_module_ = module;
   }
 
   // Allows the PluginDispatcher to add a magic proxy for PPP_Class, bypassing
@@ skipping 28 matching lines @@
   // Returns true if this process implements the given interface and it is
   // proxyable.
   bool SetupProxyForTargetInterface(const std::string& interface);
 
   bool IsInterfaceTrusted(const std::string& interface);
 
   // Set by the derived classed to indicate the module ID corresponding to
   // this dispatcher.
   PP_Module pp_module_;
 
+  base::ProcessHandle remote_process_handle_;  // See getter above.
   scoped_ptr<IPC::SyncChannel> channel_;
 
   bool disallow_trusted_interfaces_;
 
   GetInterfaceFunc local_get_interface_;
 
   ProxyMap proxies_;
   InterfaceProxy* id_to_proxy_[INTERFACE_ID_COUNT];
 
   // True if the remote side has declared which interfaces it supports in
@@ skipping 11 matching lines @@
 
   scoped_ptr<VarSerializationRules> serialization_rules_;
 
   DISALLOW_COPY_AND_ASSIGN(Dispatcher);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PROXY_DISPATCHER_H_