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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 CHROME_BROWSER_UI_COCOA_ANIMATION_UTILS_H
#define CHROME_BROWSER_UI_COCOA_ANIMATION_UTILS_H
#pragma once
#import <Cocoa/Cocoa.h>
// This class is a stack-based helper useful for unit testing of Cocoa UI,
// and any other situation where you want to temporarily turn off Cocoa
// animation for the life of a function call or other limited scope.
// Just declare one of these, and all animations will complete instantly until
// this goes out of scope and pops our state off the Core Animation stack.
//
// Example:
// MyUnitTest() {
// WithNoAnimation at_all; // Turn off Cocoa auto animation in this scope.
class WithNoAnimation {
public:
WithNoAnimation() {
[NSAnimationContext beginGrouping];
[[NSAnimationContext currentContext] setDuration:0.0];
}
~WithNoAnimation() {
[NSAnimationContext endGrouping];
}
};
#endif // CHROME_BROWSER_UI_COCOA_ANIMATION_UTILS_H
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