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#ifndef CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_CHROMEOS_H_ 6#define CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_CHROMEOS_H_ 7 8#include "base/compiler_specific.h" 9#include "base/memory/weak_ptr.h" 10#include "chrome/browser/ui/webui/help/version_updater.h" 11#include "chromeos/dbus/update_engine_client.h" 12 13class VersionUpdaterCros : public VersionUpdater, 14 public chromeos::UpdateEngineClient::Observer { 15 public: 16 // VersionUpdater implementation. 17 virtual void CheckForUpdate(const StatusCallback& callback) OVERRIDE; 18 virtual void RelaunchBrowser() const OVERRIDE; 19 virtual void SetChannel(const std::string& channel, 20 bool is_powerwash_allowed) OVERRIDE; 21 virtual void GetChannel(bool get_current_channel, 22 const ChannelCallback& callback) OVERRIDE; 23 24 protected: 25 friend class VersionUpdater; 26 27 // Clients must use VersionUpdater::Create(). 28 VersionUpdaterCros(); 29 virtual ~VersionUpdaterCros(); 30 31 private: 32 // UpdateEngineClient::Observer implementation. 33 virtual void UpdateStatusChanged( 34 const chromeos::UpdateEngineClient::Status& status) OVERRIDE; 35 36 // Callback from UpdateEngineClient::RequestUpdateCheck(). 37 void OnUpdateCheck(chromeos::UpdateEngineClient::UpdateCheckResult result); 38 39 // Callback used to communicate update status to the client. 40 StatusCallback callback_; 41 42 // Last state received via UpdateStatusChanged(). 43 chromeos::UpdateEngineClient::UpdateStatusOperation last_operation_; 44 45 base::WeakPtrFactory<VersionUpdaterCros> weak_ptr_factory_; 46 47 DISALLOW_COPY_AND_ASSIGN(VersionUpdaterCros); 48}; 49 50#endif // CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_CHROMEOS_H_ 51