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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 UI_WM_PUBLIC_WINDOW_MOVE_CLIENT_H_
#define UI_WM_PUBLIC_WINDOW_MOVE_CLIENT_H_
#include "ui/aura/aura_export.h"
#include "ui/gfx/geometry/vector2d.h"
namespace gfx {
class Point;
}
namespace aura {
class Window;
namespace client {
enum WindowMoveResult {
MOVE_SUCCESSFUL, // Moving window was successful.
MOVE_CANCELED // Moving window was canceled.
};
enum WindowMoveSource {
WINDOW_MOVE_SOURCE_MOUSE,
WINDOW_MOVE_SOURCE_TOUCH,
};
// An interface implemented by an object that manages programatically keyed
// window moving.
class AURA_EXPORT WindowMoveClient {
public:
// Starts a nested message loop for moving the window. |drag_offset| is the
// offset from the window origin to the cursor when the drag was started.
// Returns MOVE_SUCCESSFUL if the move has completed successfully, or
// MOVE_CANCELED otherwise.
virtual WindowMoveResult RunMoveLoop(Window* window,
const gfx::Vector2d& drag_offset,
WindowMoveSource source) = 0;
// Ends a previously started move loop.
virtual void EndMoveLoop() = 0;
virtual ~WindowMoveClient() {}
};
// Sets/Gets the activation client for the specified window.
AURA_EXPORT void SetWindowMoveClient(Window* window,
WindowMoveClient* client);
AURA_EXPORT WindowMoveClient* GetWindowMoveClient(Window* window);
} // namespace client
} // namespace aura
#endif // UI_WM_PUBLIC_WINDOW_MOVE_CLIENT_H_