| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/ui/webui/theme_handler.h" |
| |
| #include "base/values.h" |
| #include "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/themes/theme_service.h" |
| #include "chrome/browser/themes/theme_service_factory.h" |
| #include "chrome/browser/ui/webui/theme_source.h" |
| #include "chrome/grit/theme_resources.h" |
| #include "content/public/browser/notification_service.h" |
| #include "content/public/browser/web_ui.h" |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // ThemeHandler |
| |
| ThemeHandler::ThemeHandler() { |
| } |
| |
| ThemeHandler::~ThemeHandler() { |
| } |
| |
| void ThemeHandler::RegisterMessages() { |
| // These are not actual message registrations, but can't be done in the |
| // constructor since they need the web_ui value to be set, which is done |
| // post-construction, but before registering messages. |
| InitializeCSSCaches(); |
| // Listen for theme installation. |
| registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, |
| content::Source<ThemeService>( |
| ThemeServiceFactory::GetForProfile(GetProfile()))); |
| } |
| |
| void ThemeHandler::Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) { |
| DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type); |
| InitializeCSSCaches(); |
| bool has_custom_bg = ThemeService::GetThemeProviderForProfile(GetProfile()) |
| .HasCustomImage(IDR_THEME_NTP_BACKGROUND); |
| // TODO(dbeam): why does this need to be a dictionary? |
| base::DictionaryValue dictionary; |
| dictionary.SetBoolean("hasCustomBackground", has_custom_bg); |
| web_ui()->CallJavascriptFunctionUnsafe("ntp.themeChanged", dictionary); |
| } |
| |
| void ThemeHandler::InitializeCSSCaches() { |
| Profile* profile = GetProfile(); |
| ThemeSource* theme = new ThemeSource(profile); |
| content::URLDataSource::Add(profile, theme); |
| } |
| |
| Profile* ThemeHandler::GetProfile() const { |
| return Profile::FromWebUI(web_ui()); |
| } |