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      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
     87