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 13 class 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 // Gets the last update status, without triggering a new check or download. 25 void GetUpdateStatus(const StatusCallback& callback); 26 27 protected: 28 friend class VersionUpdater; 29 30 // Clients must use VersionUpdater::Create(). 31 VersionUpdaterCros(); 32 virtual ~VersionUpdaterCros(); 33 34 private: 35 // UpdateEngineClient::Observer implementation. 36 virtual void UpdateStatusChanged( 37 const chromeos::UpdateEngineClient::Status& status) OVERRIDE; 38 39 // Callback from UpdateEngineClient::RequestUpdateCheck(). 40 void OnUpdateCheck(chromeos::UpdateEngineClient::UpdateCheckResult result); 41 42 // Callback used to communicate update status to the client. 43 StatusCallback callback_; 44 45 // Last state received via UpdateStatusChanged(). 46 chromeos::UpdateEngineClient::UpdateStatusOperation last_operation_; 47 48 // True if an update check should be scheduled when the update engine is idle. 49 bool check_for_update_when_idle_; 50 51 base::WeakPtrFactory<VersionUpdaterCros> weak_ptr_factory_; 52 53 DISALLOW_COPY_AND_ASSIGN(VersionUpdaterCros); 54 }; 55 56 #endif // CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_CHROMEOS_H_ 57
