ppapi/proxy/isolated_file_system_private_resource.cc

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