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// Copyright (c) 2011 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.
#ifndef CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_
#define CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_
#include <map>
#include "base/memory/singleton.h"
#include "content/common/notification_observer.h"
#include "content/common/notification_registrar.h"
class ThemeService;
class Extension;
class Profile;
// Singleton that owns all ThemeServices and associates them with
// Profiles. Listens for the Profile's destruction notification and cleans up
// the associated ThemeService.
class ThemeServiceFactory : public NotificationObserver {
public:
// Returns the ThemeService that provides theming resources for
// |profile|. Note that even if a Profile doesn't have a theme installed, it
// still needs a ThemeService to hand back the default theme images.
static ThemeService* GetForProfile(Profile* profile);
// Returns the Extension that implements the theme associated with
// |profile|. Returns NULL if the theme is no longer installed, if there is
// no installed theme, or the theme was cleared.
static const Extension* GetThemeForProfile(Profile* profile);
// Forces an association between |profile| and |provider|. Used in unit tests
// where we need to mock ThemeService.
static void ForceAssociationBetween(Profile* profile,
ThemeService* provider);
static ThemeServiceFactory* GetInstance();
private:
friend struct DefaultSingletonTraits<ThemeServiceFactory>;
ThemeServiceFactory();
~ThemeServiceFactory();
// Maps |profile| to |provider| and listens for notifications relating to
// either.
void Associate(Profile* profile, ThemeService* provider);
// NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
NotificationRegistrar registrar_;
std::map<Profile*, ThemeService*> mapping_;
};
#endif // CHROME_BROWSER_THEMES_THEME_SERVICE_FACTORY_H_
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