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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_SHELL_DELEGATE_H_
#define ASH_SHELL_DELEGATE_H_
#pragma once
#include <vector>
#include "ash/ash_export.h"
#include "ash/shell.h"
#include "base/callback.h"
#include "base/string16.h"
namespace aura {
class Window;
}
namespace views {
class Widget;
}
namespace ash {
class AppListViewDelegate;
class LauncherDelegate;
class LauncherModel;
struct LauncherItem;
class ScreenshotDelegate;
class SystemTray;
class SystemTrayDelegate;
class UserWallpaperDelegate;
// Delegate of the Shell.
class ASH_EXPORT ShellDelegate {
public:
// The Shell owns the delegate.
virtual ~ShellDelegate() {}
// Returns true if user has logged in.
virtual bool IsUserLoggedIn() = 0;
// Invoked when a user locks the screen.
virtual void LockScreen() = 0;
// Unlock the screen. Currently used only for tests.
virtual void UnlockScreen() = 0;
// Returns true if the screen is currently locked.
virtual bool IsScreenLocked() const = 0;
// Invoked when a user uses Ctrl-M to open file manager.
virtual void OpenFileManager() = 0;
// Invoked when a user uses Ctrl-Shift-Q to close chrome.
virtual void Exit() = 0;
// Invoked when a user uses Ctrl-N or Ctrl-Shift-N to open a new window.
virtual void NewWindow(bool incognito) = 0;
// Invoked to create an AppListViewDelegate. Shell takes the ownership of
// the created delegate.
virtual AppListViewDelegate* CreateAppListViewDelegate() = 0;
// Invoked to start taking partial screenshot.
virtual void StartPartialScreenshot(
ScreenshotDelegate* screenshot_delegate) = 0;
// Creates a new LauncherDelegate. Shell takes ownership of the returned
// value.
virtual LauncherDelegate* CreateLauncherDelegate(
ash::LauncherModel* model) = 0;
// Creates a system-tray delegate. Shell takes ownership of the delegate.
virtual SystemTrayDelegate* CreateSystemTrayDelegate(SystemTray* tray) = 0;
// Creates a user wallpaper delegate. Shell takes ownership of the delegate.
virtual UserWallpaperDelegate* CreateUserWallpaperDelegate() = 0;
};
} // namespace ash
#endif // ASH_SHELL_DELEGATE_H_
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