1 // Copyright (c) 2011 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_OPTIONS_ABOUT_PAGE_HANDLER_H_ 6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_ABOUT_PAGE_HANDLER_H_ 7 8 #include <string> 9 10 #include "chrome/browser/ui/webui/options/options_ui.h" 11 12 #if defined(OS_CHROMEOS) 13 #include "chrome/browser/chromeos/cros/update_library.h" 14 #include "chrome/browser/chromeos/version_loader.h" 15 #endif 16 17 // ChromeOS about page UI handler. 18 class AboutPageHandler : public OptionsPageUIHandler { 19 public: 20 AboutPageHandler(); 21 virtual ~AboutPageHandler(); 22 23 // OptionsPageUIHandler implementation. 24 virtual void GetLocalizedValues(DictionaryValue* localized_strings); 25 virtual void RegisterMessages(); 26 27 private: 28 // The function is called from JavaScript when the about page is ready. 29 void PageReady(const ListValue* args); 30 31 // The function is called from JavaScript to set the release track like 32 // "beta-channel" and "dev-channel". 33 void SetReleaseTrack(const ListValue* args); 34 35 #if defined(OS_CHROMEOS) 36 // Initiates update check. 37 void CheckNow(const ListValue* args); 38 39 // Restarts the system. 40 void RestartNow(const ListValue* args); 41 42 // Callback from chromeos::VersionLoader giving the version. 43 void OnOSVersion(chromeos::VersionLoader::Handle handle, 44 std::string version); 45 void OnOSFirmware(chromeos::VersionLoader::Handle handle, 46 std::string firmware); 47 void UpdateStatus(const chromeos::UpdateLibrary::Status& status); 48 49 // UpdateEngine Callback handler. 50 static void UpdateSelectedChannel(void* user_data, const char* channel); 51 52 // Handles asynchronously loading the version. 53 chromeos::VersionLoader loader_; 54 55 // Used to request the version. 56 CancelableRequestConsumer consumer_; 57 58 // Update Observer 59 class UpdateObserver; 60 scoped_ptr<UpdateObserver> update_observer_; 61 62 int progress_; 63 bool sticky_; 64 bool started_; 65 #endif 66 67 DISALLOW_COPY_AND_ASSIGN(AboutPageHandler); 68 }; 69 70 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_ABOUT_PAGE_HANDLER_H_ 71
