chrome/browser/ui/webui/version_handler_chromeos.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 #include "chrome/browser/ui/webui/version_handler_chromeos.h"
   6
   7 #include "base/bind.h"
   8 #include "base/task_runner_util.h"
   9 #include "content/public/browser/browser_thread.h"
  10 #include "content/public/browser/web_ui.h"
  11
  12 VersionHandlerChromeOS::VersionHandlerChromeOS()
  13     : weak_factory_(this) {
  14 }
  15
  16 VersionHandlerChromeOS::~VersionHandlerChromeOS() {
  17 }
  18
  19 void VersionHandlerChromeOS::HandleRequestVersionInfo(
  20     const base::ListValue* args) {
  21   // Start the asynchronous load of the version.
  22   base::PostTaskAndReplyWithResult(
  23       content::BrowserThread::GetBlockingPool(),
  24       FROM_HERE,
  25       base::Bind(&chromeos::version_loader::GetVersion,
  26                  chromeos::version_loader::VERSION_FULL),
  27       base::Bind(&VersionHandlerChromeOS::OnVersion,
  28                  weak_factory_.GetWeakPtr()));
  29
  30   // Parent class takes care of the rest.
  31   VersionHandler::HandleRequestVersionInfo(args);
  32 }
  33
  34 void VersionHandlerChromeOS::OnVersion(const std::string& version) {
  35   base::StringValue arg(version);
  36   web_ui()->CallJavascriptFunction("returnOsVersion", arg);
  37 }