ppapi/proxy/isolated_file_system_private_resource.cc

   1 // Copyright 2013 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/proxy/isolated_file_system_private_resource.h"
   6
   7 #include "base/bind.h"
   8 #include "base/logging.h"
   9 #include "ppapi/c/pp_errors.h"
  10 #include "ppapi/c/pp_file_info.h"
  11 #include "ppapi/proxy/file_system_resource.h"
  12 #include "ppapi/proxy/ppapi_messages.h"
  13 #include "ppapi/proxy/resource_message_params.h"
  14 #include "ppapi/shared_impl/host_resource.h"
  15 #include "ppapi/shared_impl/tracked_callback.h"
  16 #include "ppapi/thunk/enter.h"
  17
  18 namespace ppapi {
  19 namespace proxy {
  20
  21 namespace {
  22 void RunTrackedCallback(scoped_refptr<TrackedCallback> callback,
  23                         int32_t rc) {
  24   callback->Run(rc);
  25 }
  26 }  // namespace
  27
  28 IsolatedFileSystemPrivateResource::IsolatedFileSystemPrivateResource(
  29     Connection connection, PP_Instance instance)
  30     : PluginResource(connection, instance) {
  31   SendCreate(BROWSER, PpapiHostMsg_IsolatedFileSystem_Create());
  32 }
  33
  34 IsolatedFileSystemPrivateResource::~IsolatedFileSystemPrivateResource() {
  35 }
  36
  37 thunk::PPB_IsolatedFileSystem_Private_API*
  38 IsolatedFileSystemPrivateResource::AsPPB_IsolatedFileSystem_Private_API() {
  39   return this;
  40 }
  41
  42 int32_t IsolatedFileSystemPrivateResource::Open(
  43     PP_Instance /* unused */,
  44     PP_IsolatedFileSystemType_Private type,
  45     PP_Resource* file_system_resource,
  46     scoped_refptr<TrackedCallback> callback) {
  47   if (!file_system_resource)
  48     return PP_ERROR_BADARGUMENT;
  49
  50   Call<PpapiPluginMsg_IsolatedFileSystem_BrowserOpenReply>(BROWSER,
  51       PpapiHostMsg_IsolatedFileSystem_BrowserOpen(type),
  52       base::Bind(&IsolatedFileSystemPrivateResource::OnBrowserOpenComplete,
  53                  this, type, file_system_resource, callback));
  54   return PP_OK_COMPLETIONPENDING;
  55 }
  56
  57 void IsolatedFileSystemPrivateResource::OnBrowserOpenComplete(
  58     PP_IsolatedFileSystemType_Private type,
  59     PP_Resource* file_system_resource,
  60     scoped_refptr<TrackedCallback> callback,
  61     const ResourceMessageReplyParams& params,
  62     const std::string& fsid) {
  63   if (!TrackedCallback::IsPending(callback))
  64     return;
  65
  66   if (params.result() != PP_OK) {
  67     callback->Run(params.result());
  68     return;
  69   }
  70
  71   FileSystemResource* fs = new FileSystemResource(
  72       connection(), pp_instance(), PP_FILESYSTEMTYPE_ISOLATED);
  73   *file_system_resource = fs->GetReference();
  74   if (*file_system_resource == 0)
  75     callback->Run(PP_ERROR_FAILED);
  76   fs->InitIsolatedFileSystem(
  77       fsid, type, base::Bind(&RunTrackedCallback, callback));
  78 }
  79
  80 }  // namespace proxy
  81 }  // namespace ppapi