ppapi/thunk/ppb_audio_thunk.cc

   1 // Copyright (c) 2012 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 #include "ppapi/thunk/thunk.h"
   6 #include "ppapi/thunk/enter.h"
   7 #include "ppapi/thunk/ppb_audio_api.h"
   8 #include "ppapi/thunk/resource_creation_api.h"
   9
  10 namespace ppapi {
  11 namespace thunk {
  12
  13 namespace {
  14
  15 typedef EnterResource<PPB_Audio_API> EnterAudio;
  16
  17 PP_Resource Create(PP_Instance instance,
  18                    PP_Resource config_id,
  19                    PPB_Audio_Callback callback,
  20                    void* user_data) {
  21   EnterResourceCreation enter(instance);
  22   if (enter.failed())
  23     return 0;
  24   return enter.functions()->CreateAudio(instance, config_id,
  25                                         callback, user_data);
  26 }
  27
  28 PP_Bool IsAudio(PP_Resource resource) {
  29   EnterAudio enter(resource, false);
  30   return enter.succeeded() ? PP_TRUE : PP_FALSE;
  31 }
  32
  33 PP_Resource GetCurrentConfiguration(PP_Resource audio_id) {
  34   EnterAudio enter(audio_id, true);
  35   if (enter.failed())
  36     return 0;
  37   return enter.object()->GetCurrentConfig();
  38 }
  39
  40 PP_Bool StartPlayback(PP_Resource audio_id) {
  41   EnterAudio enter(audio_id, true);
  42   if (enter.failed())
  43     return PP_FALSE;
  44   return enter.object()->StartPlayback();
  45 }
  46
  47 PP_Bool StopPlayback(PP_Resource audio_id) {
  48   EnterAudio enter(audio_id, true);
  49   if (enter.failed())
  50     return PP_FALSE;
  51   return enter.object()->StopPlayback();
  52 }
  53
  54 const PPB_Audio g_ppb_audio_thunk = {
  55   &Create,
  56   &IsAudio,
  57   &GetCurrentConfiguration,
  58   &StartPlayback,
  59   &StopPlayback
  60 };
  61
  62 }  // namespace
  63
  64 const PPB_Audio_1_0* GetPPB_Audio_1_0_Thunk() {
  65   return &g_ppb_audio_thunk;
  66 }
  67
  68 }  // namespace thunk
  69 }  // namespace ppapi