d233fb5219
BUG=13476 TEST=closing windows shouldn't have jank regardless of the # of tabs. Resizing a window shouldn't explode visually in the chrome. Review URL: http://codereview.chromium.org/119363 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17956 0039d316-1c4b-4281-b951-d872f2087c98
36 linhas
948 B
Objective-C
36 linhas
948 B
Objective-C
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_SCOPED_NSDISABLE_SCREEN_UPDATES_H_
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#define BASE_SCOPED_NSDISABLE_SCREEN_UPDATES_H_
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#import <Cocoa/Cocoa.h>
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#include "base/basictypes.h"
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namespace base {
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// A stack-based class to disable Cocoa screen updates. When instantiated, it
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// disables screen updates and enables them when destroyed. Update disabling
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// can be nested, and there is a time-maximum (about 1 second) after which
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// Cocoa will automatically re-enable updating. This class doesn't attempt to
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// overrule that.
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class ScopedNSDisableScreenUpdates {
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public:
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ScopedNSDisableScreenUpdates() {
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NSDisableScreenUpdates();
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}
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~ScopedNSDisableScreenUpdates() {
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NSEnableScreenUpdates();
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}
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private:
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DISALLOW_COPY_AND_ASSIGN(ScopedNSDisableScreenUpdates);
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};
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} // namespace
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#endif
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