chrome/browser/ui/cocoa/sprite_view.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_COCOA_SPRITE_VIEW_H_
   6 #define CHROME_BROWSER_UI_COCOA_SPRITE_VIEW_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #include "base/mac/scoped_nsobject.h"
  11
  12 @class CAKeyframeAnimation;
  13
  14 // A class that knows how to repeatedly animate sprites from an image containing
  15 // the sprites in the form of a horizontal strip.
  16 @interface SpriteView : NSView {
  17  @private
  18   base::scoped_nsobject<CAKeyframeAnimation> spriteAnimation_;
  19   CALayer* imageLayer_;
  20 }
  21
  22 // |image| contains square sprites in a horizontal strip.
  23 // The sprites will be animated, with each sprite shown for 30ms.
  24 // It is OK to pass in a single sprite (a square image), in which case there
  25 // will be no animation.
  26 - (void)setImage:(NSImage*)image;
  27
  28 // Same as above, with a toast animation to transition to the new image.
  29 // The old image will animate to the bottom, and then the new image will
  30 // animate back up to position.
  31 - (void)setImage:(NSImage*)image withToastAnimation:(BOOL)animate;
  32
  33 @end
  34
  35 #endif  // CHROME_BROWSER_UI_COCOA_TABS_THROBBER_VIEW_H_