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- // 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_GFX_MAC_SCOPED_COCOA_DISABLE_SCREEN_UPDATES_H_
- #define UI_GFX_MAC_SCOPED_COCOA_DISABLE_SCREEN_UPDATES_H_
- #include "ui/gfx/gfx_export.h"
- namespace gfx {
- // A stack-based class to disable Cocoa screen updates. When instantiated, it
- // disables screen updates and enables them when destroyed. Update disabling
- // can be nested, and there is a time-maximum (about 1 second) after which
- // Cocoa will automatically re-enable updating. This class doesn't attempt to
- // overrule that.
- class GFX_EXPORT ScopedCocoaDisableScreenUpdates {
- public:
- ScopedCocoaDisableScreenUpdates();
- ScopedCocoaDisableScreenUpdates(const ScopedCocoaDisableScreenUpdates&) =
- delete;
- ScopedCocoaDisableScreenUpdates& operator=(
- const ScopedCocoaDisableScreenUpdates&) = delete;
- ~ScopedCocoaDisableScreenUpdates();
- };
- } // namespace gfx
- #endif // UI_GFX_MAC_SCOPED_COCOA_DISABLE_SCREEN_UPDATES_H_
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