// 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_CHROMEOS_LOGIN_LOCK_WINDOW_H_
#define CHROME_BROWSER_CHROMEOS_LOGIN_LOCK_WINDOW_H_
#include "base/basictypes.h"
namespace views {
class Widget;
}
namespace chromeos {
// This is the interface which lock windows used for the WebUI screen locker
// implement.
class LockWindow {
public:
// This class provides an interface for the lock window to notify an observer
// about its status.
class Observer {
public:
// This method will be called when the lock window has finished all
// initialization.
virtual void OnLockWindowReady() = 0;
};
LockWindow();
// Attempt to grab inputs on the webview, the actual view displaying the lock
// screen WebView.
virtual void Grab() = 0;
// Returns the actual widget for the lock window.
virtual views::Widget* GetWidget() = 0;
// Sets the observer class which is notified on lock window events.
void set_observer(Observer* observer) {
observer_ = observer;
}
// Creates an instance of the platform specific lock window.
static LockWindow* Create();
protected:
// The observer's OnLockWindowReady method will be called when the lock
// window has finished all initialization.
Observer* observer_;
DISALLOW_COPY_AND_ASSIGN(LockWindow);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_LOGIN_LOCK_WINDOW_H_