CRX FileSystem Pepper private API

ppapi/proxy/ext_crx_file_system_private_resource.cc

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/proxy/ext_crx_file_system_private_resource.h"
+
+#include "base/bind.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/proxy/resource_message_params.h"
+#include "ppapi/shared_impl/host_resource.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+
+namespace ppapi {
+namespace proxy {
+
+ExtCrxFileSystemPrivateResource::ExtCrxFileSystemPrivateResource(
+    Connection connection, PP_Instance instance)
+    : PluginResource(connection, instance) {
+  SendCreate(BROWSER, PpapiHostMsg_Ext_CrxFileSystem_Create());
+  SendCreate(RENDERER, PpapiHostMsg_Ext_CrxFileSystem_Create());
+}
+
+ExtCrxFileSystemPrivateResource::~ExtCrxFileSystemPrivateResource() {
+}
+
+thunk::PPB_Ext_CrxFileSystem_Private_API*
+ExtCrxFileSystemPrivateResource::AsPPB_Ext_CrxFileSystem_Private_API() {
+  return this;
+}
+
+int32_t ExtCrxFileSystemPrivateResource::Open(
+    scoped_refptr<TrackedCallback> callback) {
+  Call<PpapiPluginMsg_Ext_CrxFileSystem_BrowserOpenReply>(BROWSER,
+      PpapiBrowserHostMsg_Ext_CrxFileSystem_Open(),
+      base::Bind(&ExtCrxFileSystemPrivateResource::OnBrowserOpenComplete, this,
+                 callback));
+  return PP_OK_COMPLETIONPENDING;
+}
+
+void ExtCrxFileSystemPrivateResource::OnBrowserOpenComplete(
+    scoped_refptr<TrackedCallback> callback,
+    const ResourceMessageReplyParams& params,
+    const std::string& origin,
+    const std::string& fsid) {

[yzshen1, 2013/04/30 19:31:19]

Test whether callback is still pending before doing other things.

[victorhsieh, 2013/04/30 22:04:32]

Done.

+  if (params.result() != PP_OK) {
+    callback->Run(params.result());
+    return;
+  }
+  Call<PpapiPluginMsg_Ext_CrxFileSystem_RendererOpenReply>(RENDERER,
+      PpapiRendererHostMsg_Ext_CrxFileSystem_Open(origin, fsid),
+      base::Bind(&ExtCrxFileSystemPrivateResource::OnRendererOpenComplete, this,
+                 callback));
+}
+
+void ExtCrxFileSystemPrivateResource::OnRendererOpenComplete(
+    scoped_refptr<TrackedCallback> callback,
+    const ResourceMessageReplyParams& params) {
+  callback->Run(params.result());

[yzshen1, 2013/04/30 19:31:19]

ditto.

[victorhsieh, 2013/04/30 22:04:32]

Done.

+}
+
+}  // namespace proxy
+}  // namespace ppapi