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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.
#import <Cocoa/Cocoa.h>
@protocol BookmarkButtonDelegate;
// Class for bookmark bar buttons that can be drag sources.
@interface BookmarkButton : NSButton {
@private
BOOL draggable_; // Is this a draggable type of button?
BOOL mayDragStart_; // Set to YES on mouse down, NO on up or drag.
BOOL beingDragged_;
id<BookmarkButtonDelegate> delegate_;
// Initial mouse-down to prevent a hair-trigger drag.
NSPoint initialMouseDownLocation_;
}
// Enable or disable dragability for special buttons like "Other Bookmarks".
@property BOOL draggable;
@property(assign, nonatomic) id<BookmarkButtonDelegate> delegate;
@end // @interface BookmarkButton
// Protocol for a |BookmarkButton|'s delegate, which is responsible for doing
// things which require information about the bookmark represented by this
// button.
@protocol BookmarkButtonDelegate
// Fill the given pasteboard with appropriate data when the given button is
// dragged. Since the delegate has no way of providing pasteboard data later,
// all data must actually be put into the pasteboard and not merely promised.
- (void)fillPasteboard:(NSPasteboard*)pboard
forDragOfButton:(BookmarkButton*)button;
@end // @protocol BookmarkButtonDelegate
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