src/ppapi/thunk/ppb_url_loader_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_url_loader.idl modified Wed Apr 17 11:16:00 2013.
   6
   7 #include <string.h>
   8
   9 #include "ppapi/c/pp_completion_callback.h"
  10 #include "ppapi/c/pp_errors.h"
  11 #include "ppapi/c/ppb_url_loader.h"
  12 #include "ppapi/shared_impl/tracked_callback.h"
  13 #include "ppapi/thunk/enter.h"
  14 #include "ppapi/thunk/ppb_instance_api.h"
  15 #include "ppapi/thunk/ppb_url_loader_api.h"
  16 #include "ppapi/thunk/resource_creation_api.h"
  17 #include "ppapi/thunk/thunk.h"
  18
  19 namespace ppapi {
  20 namespace thunk {
  21
  22 namespace {
  23
  24 PP_Resource Create(PP_Instance instance) {
  25   VLOG(4) << "PPB_URLLoader::Create()";
  26   EnterResourceCreation enter(instance);
  27   if (enter.failed())
  28     return 0;
  29   return enter.functions()->CreateURLLoader(instance);
  30 }
  31
  32 PP_Bool IsURLLoader(PP_Resource resource) {
  33   VLOG(4) << "PPB_URLLoader::IsURLLoader()";
  34   EnterResource<PPB_URLLoader_API> enter(resource, false);
  35   return PP_FromBool(enter.succeeded());
  36 }
  37
  38 int32_t Open(PP_Resource loader,
  39              PP_Resource request_info,
  40              struct PP_CompletionCallback callback) {
  41   VLOG(4) << "PPB_URLLoader::Open()";
  42   EnterResource<PPB_URLLoader_API> enter(loader, callback, true);
  43   if (enter.failed())
  44     return enter.retval();
  45   return enter.SetResult(enter.object()->Open(request_info, enter.callback()));
  46 }
  47
  48 int32_t FollowRedirect(PP_Resource loader,
  49                        struct PP_CompletionCallback callback) {
  50   VLOG(4) << "PPB_URLLoader::FollowRedirect()";
  51   EnterResource<PPB_URLLoader_API> enter(loader, callback, true);
  52   if (enter.failed())
  53     return enter.retval();
  54   return enter.SetResult(enter.object()->FollowRedirect(enter.callback()));
  55 }
  56
  57 PP_Bool GetUploadProgress(PP_Resource loader,
  58                           int64_t* bytes_sent,
  59                           int64_t* total_bytes_to_be_sent) {
  60   VLOG(4) << "PPB_URLLoader::GetUploadProgress()";
  61   EnterResource<PPB_URLLoader_API> enter(loader, true);
  62   if (enter.failed()) {
  63     memset(bytes_sent, 0, sizeof(*bytes_sent));
  64     memset(total_bytes_to_be_sent, 0, sizeof(*total_bytes_to_be_sent));
  65     return PP_FALSE;
  66   }
  67   return enter.object()->GetUploadProgress(bytes_sent, total_bytes_to_be_sent);
  68 }
  69
  70 PP_Bool GetDownloadProgress(PP_Resource loader,
  71                             int64_t* bytes_received,
  72                             int64_t* total_bytes_to_be_received) {
  73   VLOG(4) << "PPB_URLLoader::GetDownloadProgress()";
  74   EnterResource<PPB_URLLoader_API> enter(loader, true);
  75   if (enter.failed()) {
  76     memset(bytes_received, 0, sizeof(*bytes_received));
  77     memset(total_bytes_to_be_received, 0, sizeof(*total_bytes_to_be_received));
  78     return PP_FALSE;
  79   }
  80   return enter.object()->GetDownloadProgress(bytes_received,
  81                                              total_bytes_to_be_received);
  82 }
  83
  84 PP_Resource GetResponseInfo(PP_Resource loader) {
  85   VLOG(4) << "PPB_URLLoader::GetResponseInfo()";
  86   EnterResource<PPB_URLLoader_API> enter(loader, true);
  87   if (enter.failed())
  88     return 0;
  89   return enter.object()->GetResponseInfo();
  90 }
  91
  92 int32_t ReadResponseBody(PP_Resource loader,
  93                          void* buffer,
  94                          int32_t bytes_to_read,
  95                          struct PP_CompletionCallback callback) {
  96   VLOG(4) << "PPB_URLLoader::ReadResponseBody()";
  97   EnterResource<PPB_URLLoader_API> enter(loader, callback, true);
  98   if (enter.failed())
  99     return enter.retval();
 100   return enter.SetResult(enter.object()->ReadResponseBody(buffer,
 101                                                           bytes_to_read,
 102                                                           enter.callback()));
 103 }
 104
 105 int32_t FinishStreamingToFile(PP_Resource loader,
 106                               struct PP_CompletionCallback callback) {
 107   VLOG(4) << "PPB_URLLoader::FinishStreamingToFile()";
 108   EnterResource<PPB_URLLoader_API> enter(loader, callback, true);
 109   if (enter.failed())
 110     return enter.retval();
 111   return enter.SetResult(enter.object()->FinishStreamingToFile(
 112       enter.callback()));
 113 }
 114
 115 void Close(PP_Resource loader) {
 116   VLOG(4) << "PPB_URLLoader::Close()";
 117   EnterResource<PPB_URLLoader_API> enter(loader, true);
 118   if (enter.failed())
 119     return;
 120   enter.object()->Close();
 121 }
 122
 123 const PPB_URLLoader_1_0 g_ppb_urlloader_thunk_1_0 = {
 124   &Create,
 125   &IsURLLoader,
 126   &Open,
 127   &FollowRedirect,
 128   &GetUploadProgress,
 129   &GetDownloadProgress,
 130   &GetResponseInfo,
 131   &ReadResponseBody,
 132   &FinishStreamingToFile,
 133   &Close
 134 };
 135
 136 }  // namespace
 137
 138 const PPB_URLLoader_1_0* GetPPB_URLLoader_1_0_Thunk() {
 139   return &g_ppb_urlloader_thunk_1_0;
 140 }
 141
 142 }  // namespace thunk
 143 }  // namespace ppapi