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// Copyright (c) 2012 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_UI_COCOA_EXTENSIONS_BROWSER_ACTION_BUTTON_H_
#define CHROME_BROWSER_UI_COCOA_EXTENSIONS_BROWSER_ACTION_BUTTON_H_
#import <Cocoa/Cocoa.h>
#import "base/mac/scoped_nsobject.h"
#include "base/memory/scoped_ptr.h"
#import "chrome/browser/ui/cocoa/image_button_cell.h"
class Browser;
@class BrowserActionsController;
class ToolbarActionViewController;
class ToolbarActionViewDelegateBridge;
// Fired on each drag event while the user is moving the button.
extern NSString* const kBrowserActionButtonDraggingNotification;
// Fired when the user drops the button.
extern NSString* const kBrowserActionButtonDragEndNotification;
@interface BrowserActionButton : NSButton<NSMenuDelegate> {
@private
// Used to move the button and query whether a button is currently animating.
base::scoped_nsobject<NSViewAnimation> moveAnimation_;
// The controller that handles most non-view logic.
ToolbarActionViewController* viewController_;
// The bridge between the view controller and this object.
scoped_ptr<ToolbarActionViewDelegateBridge> viewControllerDelegate_;
// The controller for the browser actions bar that owns this button. Weak.
BrowserActionsController* browserActionsController_;
// Whether the button is currently being dragged.
BOOL isBeingDragged_;
// Drag events could be intercepted by other buttons, so to make sure that
// this is the only button moving if it ends up being dragged. This is set to
// YES upon |mouseDown:|.
BOOL dragCouldStart_;
// If a drag is not currently in progress, this is the point where the mouse
// down event occurred, and is used to prevent a drag from starting until it
// moves at least kMinimumDragDistance. Once a drag begins, this is the point
// at which the drag actually started.
NSPoint dragStartPoint_;
}
// Init the button with the frame. Does not own either |view_controller| or
// |controller|.
- (id)initWithFrame:(NSRect)frame
viewController:(ToolbarActionViewController*)viewController
controller:(BrowserActionsController*)controller;
- (void)setFrame:(NSRect)frameRect animate:(BOOL)animate;
- (void)updateState;
// Called when the button is removed from the toolbar and will soon be deleted.
- (void)onRemoved;
- (BOOL)isAnimating;
// Returns the frame the button will occupy once animation is complete, or its
// current frame if it is not animating.
- (NSRect)frameAfterAnimation;
- (ToolbarActionViewController*)viewController;
// Returns a pointer to an autoreleased NSImage with the badge, shadow and
// cell image drawn into it.
- (NSImage*)compositedImage;
@property(readonly, nonatomic) BOOL isBeingDragged;
@end
@interface BrowserActionCell : ImageButtonCell {
@private
// The controller for the browser actions bar that owns the button. Weak.
BrowserActionsController* browserActionsController_;
// The view controller for the parent button. Weak.
ToolbarActionViewController* viewController_;
}
@property(assign, nonatomic)
BrowserActionsController* browserActionsController;
@property(readwrite, nonatomic) ToolbarActionViewController* viewController;
@end
#endif // CHROME_BROWSER_UI_COCOA_EXTENSIONS_BROWSER_ACTION_BUTTON_H_
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