summaryrefslogtreecommitdiffstats
path: root/ui/views/mouse_watcher_view_host.h
blob: 6afe791e22416d569a8c2b74e85dfbaa25af84e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
// 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_VIEWS_MOUSE_WATCHER_VIEW_HOST_H_
#define UI_VIEWS_MOUSE_WATCHER_VIEW_HOST_H_

#include "ui/views/mouse_watcher.h"

namespace views {

class View;

class VIEWS_EXPORT MouseWatcherViewHost : public MouseWatcherHost {
 public:
  // Creates a new MouseWatcherViewHost. |hot_zone_insets| is added to the
  // bounds of the view to determine the active zone. For example, if
  // |hot_zone_insets.bottom()| is 10, then the listener is not notified if
  // the y coordinate is between the origin of the view and height of the view
  // plus 10.
  MouseWatcherViewHost(View* view, const gfx::Insets& hot_zone_insets);
  ~MouseWatcherViewHost() override;

  // MouseWatcherHost.
  bool Contains(const gfx::Point& screen_point, MouseEventType type) override;

 private:
  bool IsCursorInViewZone(const gfx::Point& screen_point);
  bool IsMouseOverWindow();

  // View we're listening for events over.
  View* view_;
  // Insets added to the bounds of the view.
  const gfx::Insets hot_zone_insets_;

  DISALLOW_COPY_AND_ASSIGN(MouseWatcherViewHost);
};

}  // namespace views

#endif  // UI_VIEWS_MOUSE_WATCHER_VIEW_HOST_H_