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// 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_PLUGIN_DISPATCHER_H_
#define PPAPI_PROXY_PLUGIN_DISPATCHER_H_
#include <string>
#include "base/process.h"
#include "base/scoped_ptr.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/proxy/dispatcher.h"
class MessageLoop;
namespace base {
class WaitableEvent;
}
namespace pp {
namespace proxy {
class PluginDispatcher : public Dispatcher {
public:
// Constructor for the plugin side. The init and shutdown functions will be
// will be automatically called when requested by the renderer side. The
// module ID will be set upon receipt of the InitializeModule message.
//
// You must call Dispatcher::InitWithChannel after the constructor.
PluginDispatcher(base::ProcessHandle remote_process_handle,
GetInterfaceFunc get_interface,
InitModuleFunc init_module,
ShutdownModuleFunc shutdown_module);
~PluginDispatcher();
// Sets/gets the global dispatcher pointer. New code should use the
// GetForInstance version below, this is currently here as a stopgap while
// the transition is being made.
//
// TODO(brettw) remove this.
static PluginDispatcher* Get();
static void SetGlobal(PluginDispatcher* dispatcher);
// The plugin side maintains a mapping from PP_Instance to Dispatcher so
// that we can send the messages to the right channel if there are multiple
// renderers sharing the same plugin.
static PluginDispatcher* GetForInstance(PP_Instance instance);
/* TODO(brettw) enable this when Get() is removed.
static void SetForInstance(PP_Instance instance,
PluginDispatcher* dispatcher);
static void RemoveForInstance(PP_Instance instance);
*/
// Dispatcher overrides.
virtual bool IsPlugin() const;
// IPC::Channel::Listener implementation.
virtual bool OnMessageReceived(const IPC::Message& msg);
private:
// IPC message handlers.
void OnMsgInitializeModule(PP_Module pp_module, bool* result);
void OnMsgShutdown();
InitModuleFunc init_module_;
ShutdownModuleFunc shutdown_module_;
DISALLOW_COPY_AND_ASSIGN(PluginDispatcher);
};
} // namespace proxy
} // namespace pp
#endif // PPAPI_PROXY_PLUGIN_DISPATCHER_H_
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