components/nacl/renderer/trusted_plugin_channel.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_NACL_RENDERER_TRUSTED_PLUGIN_CHANNEL_H_
   6 #define COMPONENTS_NACL_RENDERER_TRUSTED_PLUGIN_CHANNEL_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "ipc/ipc_listener.h"
  11 #include "native_client/src/trusted/service_runtime/nacl_error_code.h"
  12 #include "ppapi/c/pp_instance.h"
  13
  14 namespace base {
  15 class WaitableEvent;
  16 }  // namespace base
  17
  18 namespace IPC {
  19 struct ChannelHandle;
  20 class Message;
  21 class SyncChannel;
  22 }  // namespace IPC
  23
  24 namespace nacl {
  25 class NexeLoadManager;
  26
  27 class TrustedPluginChannel : public IPC::Listener {
  28  public:
  29   TrustedPluginChannel(NexeLoadManager* nexe_load_manager,
  30                        const IPC::ChannelHandle& handle,
  31                        base::WaitableEvent* shutdown_event,
  32                        bool is_helper_nexe);
  33   ~TrustedPluginChannel() override;
  34
  35   bool Send(IPC::Message* message);
  36
  37   // Listener implementation.
  38   bool OnMessageReceived(const IPC::Message& message) override;
  39   void OnChannelError() override;
  40
  41   void OnReportExitStatus(int exit_status);
  42   void OnReportLoadStatus(NaClErrorCode load_status);
  43
  44  private:
  45   // Non-owning pointer. This is safe because the TrustedPluginChannel is owned
  46   // by the NexeLoadManager pointed to here.
  47   NexeLoadManager* nexe_load_manager_;
  48   scoped_ptr<IPC::SyncChannel> channel_;
  49   bool is_helper_nexe_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(TrustedPluginChannel);
  52 };
  53
  54 }  // namespace nacl
  55
  56 #endif  // COMPONENTS_NACL_RENDERER_TRUSTED_PLUGIN_CHANNEL_H_