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 Thu May 29 15:54:46 2014.
   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_1* 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,
  35                                                    user_data,
  36                                                    handler,
  37                                                    message_loop);
  38 }
  39
  40 void UnregisterMessageHandler(PP_Instance instance) {
  41   VLOG(4) << "PPB_Messaging::UnregisterMessageHandler()";
  42   EnterInstance enter(instance);
  43   if (enter.failed())
  44     return;
  45   enter.functions()->UnregisterMessageHandler(instance);
  46 }
  47
  48 const PPB_Messaging_1_0 g_ppb_messaging_thunk_1_0 = {
  49   &PostMessage
  50 };
  51
  52 const PPB_Messaging_1_1 g_ppb_messaging_thunk_1_1 = {
  53   &PostMessage,
  54   &RegisterMessageHandler,
  55   &UnregisterMessageHandler
  56 };
  57
  58 }  // namespace
  59
  60 PPAPI_THUNK_EXPORT const PPB_Messaging_1_0* GetPPB_Messaging_1_0_Thunk() {
  61   return &g_ppb_messaging_thunk_1_0;
  62 }
  63
  64 PPAPI_THUNK_EXPORT const PPB_Messaging_1_1* GetPPB_Messaging_1_1_Thunk() {
  65   return &g_ppb_messaging_thunk_1_1;
  66 }
  67
  68 }  // namespace thunk
  69 }  // namespace ppapi