blob: e71455dc7437432d6cbe5febc820aa5969d83c45 (
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
|
// Copyright 2014 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_AURA_WINDOW_TREE_HOST_OBSERVER_H_
#define UI_AURA_WINDOW_TREE_HOST_OBSERVER_H_
#include "ui/aura/aura_export.h"
namespace gfx {
class Point;
}
namespace aura {
class WindowTreeHost;
class AURA_EXPORT WindowTreeHostObserver {
public:
// Called when the host's client size has changed.
virtual void OnHostResized(WindowTreeHost* host) {}
// Called when the host is moved on screen.
virtual void OnHostMovedInPixels(WindowTreeHost* host,
const gfx::Point& new_origin_in_pixels) {}
// Called when the host is moved to a different workspace.
virtual void OnHostWorkspaceChanged(WindowTreeHost* host) {}
// Called when the native window system sends the host request to close.
virtual void OnHostCloseRequested(WindowTreeHost* host) {}
protected:
virtual ~WindowTreeHostObserver() {}
};
} // namespace aura
#endif // UI_AURA_WINDOW_TREE_HOST_OBSERVER_H_
|
