1 // Copyright 2019 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_SETTINGS_CHROMEOS_WALLPAPER_HANDLER_H_ 6 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_WALLPAPER_HANDLER_H_ 7 8 #include "base/macros.h" 9 #include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h" 10 11 namespace base { 12 class ListValue; 13 } 14 15 namespace chromeos { 16 namespace settings { 17 18 // Chrome "Personalization" settings page UI handler. 19 class WallpaperHandler : public ::settings::SettingsPageUIHandler { 20 public: 21 WallpaperHandler(); 22 ~WallpaperHandler() override; 23 24 // SettingsPageUIHandler implementation. 25 void RegisterMessages() override; 26 void OnJavascriptAllowed() override; 27 void OnJavascriptDisallowed() override; 28 29 private: 30 // Whether the wallpaper setting should be shown. 31 void HandleIsWallpaperSettingVisible(const base::ListValue* args); 32 33 // Whether the wallpaper is policy controlled. 34 void HandleIsWallpaperPolicyControlled(const base::ListValue* args); 35 36 // Open the wallpaper manager app. 37 void HandleOpenWallpaperManager(const base::ListValue* args); 38 39 // Helper function to resolve the Javascript callback. 40 void ResolveCallback(const base::Value& callback_id, bool result); 41 42 DISALLOW_COPY_AND_ASSIGN(WallpaperHandler); 43 }; 44 45 } // namespace settings 46 } // namespace chromeos 47 48 #endif // CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_WALLPAPER_HANDLER_H_ 49