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// Copyright (c) 2012 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 ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_CONTROLLER_H_
#define ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_CONTROLLER_H_
#pragma once
#include "ash/ash_export.h"
#include "ash/desktop_background/desktop_background_resources.h"
#include "base/basictypes.h"
class SkBitmap;
namespace ash {
class UserWallpaperDelegate {
public:
virtual ~UserWallpaperDelegate() {}
// Gets the index of user selected wallpaper.
virtual const int GetUserWallpaperIndex() = 0;
// Open the set wallpaper page in the browser.
virtual void OpenSetWallpaperPage() = 0;
};
// A class to listen for login and desktop background change events and set the
// corresponding default wallpaper in Aura shell.
class ASH_EXPORT DesktopBackgroundController {
public:
enum BackgroundMode {
BACKGROUND_IMAGE,
BACKGROUND_SOLID_COLOR
};
DesktopBackgroundController();
virtual ~DesktopBackgroundController();
// Get the desktop background mode.
BackgroundMode desktop_background_mode() const {
return desktop_background_mode_;
}
// Sets the desktop background to image mode and create a new background
// widget with user selected wallpaper or default wallpaper. Delete the old
// widget if any.
void SetDesktopBackgroundImageMode();
// Sets the desktop background to solid color mode and create a solid color
// layout.
void SetDesktopBackgroundSolidColorMode();
private:
// Can change at runtime.
BackgroundMode desktop_background_mode_;
DISALLOW_COPY_AND_ASSIGN(DesktopBackgroundController);
};
} // namespace ash
#endif // ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_CONTROLLER_H_
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