Mac: Make ui/base/cocoa WindowAnimator

ui/base/cocoa/window_animator.h

Index: ui/base/cocoa/window_animator.h
diff --git a/ui/base/cocoa/window_animator.h b/ui/base/cocoa/window_animator.h
new file mode 100644
index 0000000000000000000000000000000000000000..edf2fb1915b6a3d4bfa5e28d6c8b8fb8c8848e5c
--- /dev/null
+++ b/ui/base/cocoa/window_animator.h
@@ -0,0 +1,54 @@
+// Copyright 2015 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.
+
+#import <Cocoa/Cocoa.h>
+
+#import "base/mac/scoped_nsobject.h"
+#include "base/callback.h"
+#include "ui/base/ui_base_export.h"
+
+// Controller for animations that show or hide an NSWindow. Used for cases where
+// -[NSWindow setAnimationBehavior:] is unable to provide the necessary
+// characteristics. For example WindowAnimationController allows the animation
+// to be canceled, and works for windows containing remote CALayers.
+UI_BASE_EXPORT
+@interface WindowAnimationController : NSObject<NSAnimationDelegate> {
+ @private
+  // When closing, the window to close. Retained until the animation ends.
+  base::scoped_nsobject<NSWindow> window_;
+
+  // The animation started and owned by |self|. Reset when the animation ends.
+  base::scoped_nsobject<NSViewAnimation> animation_;
+
+  // If non-null, callback triggered when the animation completes. Then reset.
+  base::Closure callback_;
+
+  // Animation durations. Default is 0.2 seconds.
+  NSTimeInterval orderInDuration_;
+  NSTimeInterval orderOutDuration_;
+}
+
+@property(assign, nonatomic) NSTimeInterval orderInDuration;
+@property(assign, nonatomic) NSTimeInterval orderOutDuration;
+
+// Returns whether |window_| is scheduled to be closed when the animation ends.
+- (BOOL)isClosing;
+
+// Animate |window| to show or close it, after canceling any current animation.
+// Translates from the current location to |targetOrigin| and fades out (if
+// closing), or fades in. Note: If a previous animation is canceled in this way
+// any previous |callback_| is NOT run (and the window is not closed). That is,
+// the close is effectively interrupted, allowing the window to be shown again.
+// Also note that canceling an animation moves it to the end frame, which can
+// cause a jump.
+- (void)animateWindow:(NSWindow*)window
+         targetOrigin:(NSPoint)targetOrigin
+              closing:(BOOL)closing
+             callback:(const base::Closure&)callback;
+
+// Stops the animation (moving to the end frame), closes |window_| (if set) and
+// runs |callback_|.
+- (void)cancelAnimationWithCallback;
+
+@end