blob: f652c079a21a72279e80a6ed5cdbb46704c4a460 [file] [log] [blame]
// Copyright 2013 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.
#include "ash/ash_export.h"
#include "base/macros.h"
namespace gfx {
class Point;
namespace ash {
namespace wm {
class WindowState;
class ASH_EXPORT WindowStateDelegate {
virtual ~WindowStateDelegate();
// Invoked when the user uses Shift+F4/F4 to toggle the window fullscreen
// state. If the window is not fullscreen and the window supports immersive
// fullscreen ToggleFullscreen() should put the window into immersive
// fullscreen instead of the default fullscreen type. The caller
// (ash::wm::WindowState) falls backs to the default implementation if this
// returns false.
virtual bool ToggleFullscreen(WindowState* window_state);
// Invoked when workspace fullscreen state changes and a window may need to
// reassert its always on top state. Returns true if delegate has handled this
// and no additional work is needed, false otherwise.
virtual bool RestoreAlwaysOnTop(WindowState* window_state);
// Invoked when the user started drag operation. |component| must be
// a member of ui::HitTestCompat enum and specifies which part of
// the window the pointer device was on when the user started drag
// operation.
virtual void OnDragStarted(int component) {}
// Invoked when the user finished drag operation. |cancel| is true
// if the drag operation was canceled.
virtual void OnDragFinished(bool cancel, const gfx::Point& location) {}
} // namespace wm
} // namespace ash