1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef UI_VIEWS_MOUSE_WATCHER_VIEW_HOST_H_
6#define UI_VIEWS_MOUSE_WATCHER_VIEW_HOST_H_
7
8#include "ui/views/mouse_watcher.h"
9
10namespace views {
11
12class View;
13
14class VIEWS_EXPORT MouseWatcherViewHost : public MouseWatcherHost {
15 public:
16  // Creates a new MouseWatcherViewHost. |hot_zone_insets| is added to the
17  // bounds of the view to determine the active zone. For example, if
18  // |hot_zone_insets.bottom()| is 10, then the listener is not notified if
19  // the y coordinate is between the origin of the view and height of the view
20  // plus 10.
21  MouseWatcherViewHost(View* view, const gfx::Insets& hot_zone_insets);
22  virtual ~MouseWatcherViewHost();
23
24  // MouseWatcherHost.
25  virtual bool Contains(const gfx::Point& screen_point,
26                        MouseEventType type) OVERRIDE;
27
28 private:
29  bool IsCursorInViewZone(const gfx::Point& screen_point);
30  bool IsMouseOverWindow();
31
32  // View we're listening for events over.
33  View* view_;
34  // Insets added to the bounds of the view.
35  const gfx::Insets hot_zone_insets_;
36
37  DISALLOW_COPY_AND_ASSIGN(MouseWatcherViewHost);
38};
39
40}  // namespace views
41
42#endif  // UI_VIEWS_MOUSE_WATCHER_VIEW_HOST_H_
43