1 // Copyright (c) 2011 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_TABS_THROBBER_VIEW_H_ 6 #define CHROME_BROWSER_UI_COCOA_TABS_THROBBER_VIEW_H_ 7 #pragma once 8 9 #import <Cocoa/Cocoa.h> 10 11 #include "base/memory/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_TABS_THROBBER_VIEW_H_ 43
