Constrained window sheet controller (test patch)

chrome/browser/ui/cocoa/constrained_window/constrained_window_animation.h

+// Copyright (c) 2012 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_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_ANIMATION_H_
+#define CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_ANIMATION_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/memory/scoped_nsobject.h"
+
+// Base class for all constrained window animation classes.
+@interface ConstrainedWindowAnimationBase : NSAnimation {
+ @protected
+  scoped_nsobject<NSWindow> window_;
+}
+
+- (id)initWithWindow:(NSWindow*)window;
+
+@end
+
+// An animation to show a window.
+@interface ConstrainedWindowAnimationShow : ConstrainedWindowAnimationBase
+@end
+
+// An animation to hide a window.
+@interface ConstrainedWindowAnimationHide : ConstrainedWindowAnimationBase
+@end
+
+// An animation that pulses the window by growing it then shrinking it back.
+@interface ConstrainedWindowAnimationPulse : ConstrainedWindowAnimationBase
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_ANIMATION_H_