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// Copyright 2014 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_NACL_IRT_PPAPI_DISPATCHER_H_
#define PPAPI_NACL_IRT_PPAPI_DISPATCHER_H_
#include <stdint.h>
#include <map>
#include <set>
#include <string>
#include "base/files/file.h"
#include "base/memory/ref_counted.h"
#include "base/process/process_handle.h"
#include "ipc/ipc_listener.h"
#include "ipc/ipc_platform_file.h"
#include "ipc/ipc_sender.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/trusted/ppb_browser_font_trusted.h"
#include "ppapi/proxy/connection.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/plugin_proxy_delegate.h"
struct PP_BrowserFont_Trusted_Description;
namespace base {
class SingleThreadTaskRunner;
class WaitableEvent;
} // namespace base
namespace IPC {
class Message;
class SyncChannel;
} // namespace IPC
namespace ppapi {
struct PpapiNaClPluginArgs;
struct Preferences;
// This class manages communication between the plugin and the browser, and
// manages the PluginDispatcher instances for communication between the plugin
// and the renderer.
class PpapiDispatcher : public proxy::PluginDispatcher::PluginDelegate,
public proxy::PluginProxyDelegate,
public IPC::Listener,
public IPC::Sender {
public:
PpapiDispatcher(scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
base::WaitableEvent* shutdown_event,
int browser_ipc_fd,
int renderer_ipc_fd);
// PluginDispatcher::PluginDelegate implementation.
base::SingleThreadTaskRunner* GetIPCTaskRunner() override;
base::WaitableEvent* GetShutdownEvent() override;
IPC::PlatformFileForTransit ShareHandleWithRemote(
base::PlatformFile handle,
base::ProcessId peer_pid,
bool should_close_source) override;
base::SharedMemoryHandle ShareSharedMemoryHandleWithRemote(
const base::SharedMemoryHandle& handle,
base::ProcessId remote_pid) override;
std::set<PP_Instance>* GetGloballySeenInstanceIDSet() override;
uint32_t Register(proxy::PluginDispatcher* plugin_dispatcher) override;
void Unregister(uint32_t plugin_dispatcher_id) override;
// PluginProxyDelegate implementation.
IPC::Sender* GetBrowserSender() override;
std::string GetUILanguage() override;
void PreCacheFontForFlash(const void* logfontw) override;
void SetActiveURL(const std::string& url) override;
PP_Resource CreateBrowserFont(proxy::Connection connection,
PP_Instance instance,
const PP_BrowserFont_Trusted_Description& desc,
const Preferences& prefs) override;
// IPC::Listener implementation.
bool OnMessageReceived(const IPC::Message& message) override;
void OnChannelError() override;
// IPC::Sender implementation
bool Send(IPC::Message* message) override;
private:
void OnMsgInitializeNaClDispatcher(const PpapiNaClPluginArgs& args);
void OnPluginDispatcherMessageReceived(const IPC::Message& msg);
std::set<PP_Instance> instances_;
std::map<uint32_t, proxy::PluginDispatcher*> plugin_dispatchers_;
uint32_t next_plugin_dispatcher_id_;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
base::WaitableEvent* shutdown_event_;
int renderer_ipc_fd_;
scoped_ptr<IPC::SyncChannel> channel_;
};
} // namespace ppapi
#endif // PPAPI_NACL_IRT_PPAPI_DISPATCHER_H_