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1 // Copyright (c) 2009 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_THROBBER_VIEW_H_ | |
6 #define CHROME_BROWSER_UI_COCOA_THROBBER_VIEW_H_ | |
7 #pragma once | |
8 | |
9 #import <Cocoa/Cocoa.h> | |
10 | |
11 #include "base/scoped_nsobject.h" | |
12 | |
13 @protocol ThrobberDataDelegate; | |
14 | |
15 // A class that knows how to draw an animated state to indicate progress. | |
16 // Creating the class starts the animation, destroying it stops it. There are | |
17 // two types: | |
18 // | |
19 // - Filmstrip: Draws via a sequence of frames in an image. There is no state | |
20 // where the class is frozen on an image and not animating. The image needs to | |
21 // be made of squares such that the height divides evenly into the width. | |
22 // | |
23 // - Toast: Draws an image animating down to the bottom and then another image | |
24 // animating up from the bottom. Stops once the animation is complete. | |
25 | |
26 @interface ThrobberView : NSView { | |
27 @private | |
28 id<ThrobberDataDelegate> dataDelegate_; | |
29 } | |
30 | |
31 // Creates a filmstrip view with |frame| and image |image|. | |
32 + (id)filmstripThrobberViewWithFrame:(NSRect)frame | |
33 image:(NSImage*)image; | |
34 | |
35 // Creates a toast view with |frame| and specified images. | |
36 + (id)toastThrobberViewWithFrame:(NSRect)frame | |
37 beforeImage:(NSImage*)beforeImage | |
38 afterImage:(NSImage*)afterImage; | |
39 | |
40 @end | |
41 | |
42 #endif // CHROME_BROWSER_UI_COCOA_THROBBER_VIEW_H_ | |
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