ppapi/thunk/ppb_broker_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/c/trusted/ppb_broker_trusted.h"
   6 #include "ppapi/c/pp_errors.h"
   7 #include "ppapi/shared_impl/tracked_callback.h"
   8 #include "ppapi/thunk/enter.h"
   9 #include "ppapi/thunk/thunk.h"
  10 #include "ppapi/thunk/ppb_broker_api.h"
  11 #include "ppapi/thunk/resource_creation_api.h"
  12
  13 namespace ppapi {
  14 namespace thunk {
  15
  16 namespace {
  17
  18 PP_Resource CreateTrusted(PP_Instance instance) {
  19   EnterResourceCreation enter(instance);
  20   if (enter.failed())
  21     return 0;
  22   return enter.functions()->CreateBroker(instance);
  23 }
  24
  25 PP_Bool IsBrokerTrusted(PP_Resource resource) {
  26   EnterResource<PPB_Broker_API> enter(resource, false);
  27   return PP_FromBool(enter.succeeded());
  28 }
  29
  30 int32_t Connect(PP_Resource resource,
  31                 PP_CompletionCallback callback) {
  32   EnterResource<PPB_Broker_API> enter(resource, callback, true);
  33   if (enter.failed())
  34     return enter.retval();
  35   return enter.SetResult(enter.object()->Connect(enter.callback()));
  36 }
  37
  38 int32_t GetHandle(PP_Resource resource, int32_t* handle) {
  39   EnterResource<PPB_Broker_API> enter(resource, true);
  40   if (enter.failed())
  41     return enter.retval();
  42   return enter.object()->GetHandle(handle);
  43 }
  44
  45 PP_Bool IsAllowed(PP_Resource resource) {
  46   // TODO(raymes): This is a hack. See the note in ppb_broker_api.h.
  47   PP_Instance instance = 0;
  48   {
  49     EnterResource<PPB_Broker_API> enter_resource(resource, true);
  50     if (enter_resource.failed())
  51       return PP_FALSE;
  52     instance = enter_resource.resource()->pp_instance();
  53   }
  54   EnterInstanceAPI<PPB_Broker_Instance_API> enter_instance(instance);
  55   if (enter_instance.failed())
  56     return PP_FALSE;
  57   return enter_instance.functions()->IsAllowed();
  58 }
  59
  60 const PPB_BrokerTrusted_0_2 g_ppb_broker_0_2_thunk = {
  61   &CreateTrusted,
  62   &IsBrokerTrusted,
  63   &Connect,
  64   &GetHandle,
  65 };
  66
  67 const PPB_BrokerTrusted_0_3 g_ppb_broker_0_3_thunk = {
  68   &CreateTrusted,
  69   &IsBrokerTrusted,
  70   &Connect,
  71   &GetHandle,
  72   &IsAllowed,
  73 };
  74
  75 }  // namespace
  76
  77 const PPB_BrokerTrusted_0_2* GetPPB_BrokerTrusted_0_2_Thunk() {
  78   return &g_ppb_broker_0_2_thunk;
  79 }
  80
  81 const PPB_BrokerTrusted_0_3* GetPPB_BrokerTrusted_0_3_Thunk() {
  82   return &g_ppb_broker_0_3_thunk;
  83 }
  84
  85 }  // namespace thunk
  86 }  // namespace ppapi