ppapi/thunk/ppb_messaging_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 // From ppb_messaging.idl modified Tue Mar 24 16:53:47 2015.
   6
   7 #include "ppapi/c/pp_errors.h"
   8 #include "ppapi/c/ppb_messaging.h"
   9 #include "ppapi/shared_impl/tracked_callback.h"
  10 #include "ppapi/thunk/enter.h"
  11 #include "ppapi/thunk/ppapi_thunk_export.h"
  12
  13 namespace ppapi {
  14 namespace thunk {
  15
  16 namespace {
  17
  18 void PostMessage(PP_Instance instance, struct PP_Var message) {
  19   VLOG(4) << "PPB_Messaging::PostMessage()";
  20   EnterInstance enter(instance);
  21   if (enter.failed())
  22     return;
  23   enter.functions()->PostMessage(instance, message);
  24 }
  25
  26 int32_t RegisterMessageHandler(PP_Instance instance,
  27                                void* user_data,
  28                                const struct PPP_MessageHandler_0_2* handler,
  29                                PP_Resource message_loop) {
  30   VLOG(4) << "PPB_Messaging::RegisterMessageHandler()";
  31   EnterInstance enter(instance);
  32   if (enter.failed())
  33     return enter.retval();
  34   return enter.functions()->RegisterMessageHandler(instance, user_data, handler,
  35                                                    message_loop);
  36 }
  37
  38 void UnregisterMessageHandler(PP_Instance instance) {
  39   VLOG(4) << "PPB_Messaging::UnregisterMessageHandler()";
  40   EnterInstance enter(instance);
  41   if (enter.failed())
  42     return;
  43   enter.functions()->UnregisterMessageHandler(instance);
  44 }
  45
  46 const PPB_Messaging_1_0 g_ppb_messaging_thunk_1_0 = {&PostMessage};
  47
  48 const PPB_Messaging_1_2 g_ppb_messaging_thunk_1_2 = {&PostMessage,
  49                                                      &RegisterMessageHandler,
  50                                                      &UnregisterMessageHandler};
  51
  52 }  // namespace
  53
  54 PPAPI_THUNK_EXPORT const PPB_Messaging_1_0* GetPPB_Messaging_1_0_Thunk() {
  55   return &g_ppb_messaging_thunk_1_0;
  56 }
  57
  58 PPAPI_THUNK_EXPORT const PPB_Messaging_1_2* GetPPB_Messaging_1_2_Thunk() {
  59   return &g_ppb_messaging_thunk_1_2;
  60 }
  61
  62 }  // namespace thunk
  63 }  // namespace ppapi