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// Copyright (c) 2009 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_COCOA_THROBBER_VIEW_H_
#define CHROME_BROWSER_COCOA_THROBBER_VIEW_H_
#pragma once
#import <Cocoa/Cocoa.h>
#include "base/scoped_nsobject.h"
@protocol ThrobberDataDelegate;
// A class that knows how to draw an animated state to indicate progress.
// Creating the class starts the animation, destroying it stops it. There are
// two types:
//
// - Filmstrip: Draws via a sequence of frames in an image. There is no state
// where the class is frozen on an image and not animating. The image needs to
// be made of squares such that the height divides evenly into the width.
//
// - Toast: Draws an image animating down to the bottom and then another image
// animating up from the bottom. Stops once the animation is complete.
@interface ThrobberView : NSView {
@private
id<ThrobberDataDelegate> dataDelegate_;
NSTimer* timer_; // Animation timer. Weak, owned by runloop.
}
// Creates a filmstrip view with |frame| and image |image|.
+ (id)filmstripThrobberViewWithFrame:(NSRect)frame
image:(NSImage*)image;
// Creates a toast view with |frame| and specified images.
+ (id)toastThrobberViewWithFrame:(NSRect)frame
beforeImage:(NSImage*)beforeImage
afterImage:(NSImage*)afterImage;
@end
#endif // CHROME_BROWSER_COCOA_THROBBER_VIEW_H_
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