blob: 41e3083753d4070ece234ed5b8ee2aa5471ad839 (
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
|
// Copyright (c) 2011 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_PAINT_LOCK_H_
#define UI_VIEWS_PAINT_LOCK_H_
#pragma once
#include "base/basictypes.h"
#include "ui/views/views_export.h"
namespace views {
class View;
// Instances of PaintLock can be created to disable painting of the view
// (compositing is not disabled). When the class is destroyed, painting is
// re-enabled. This can be useful during operations like animations, that are
// sensitive to costly paints, and during which only composting, not painting,
// is required.
class VIEWS_EXPORT PaintLock {
public:
// The paint lock does not own the view. It is an error for the view to be
// destroyed before the lock.
PaintLock(View* view);
~PaintLock();
private:
View* view_;
DISALLOW_COPY_AND_ASSIGN(PaintLock);
};
} // namespace views
#endif // UI_VIEWS_PAINT_LOCK_H_
|
