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// 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 "content/public/browser/notification_service.h"
#include "content/public/browser/web_ui.h"
#include "grit/theme_resources.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();
base::FundamentalValue attribution(
ThemeServiceFactory::GetForProfile(GetProfile())->HasCustomImage(
IDR_THEME_NTP_ATTRIBUTION));
web_ui()->CallJavascriptFunction("ntp.themeChanged", attribution);
}
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());
}
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