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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_LOCATION_BAR_ZOOM_DECORATION_H_
#define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ZOOM_DECORATION_H_
#import <Cocoa/Cocoa.h>
#include "base/basictypes.h"
#import "chrome/browser/ui/cocoa/browser/zoom_bubble_controller.h"
#include "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
class LocationBarViewMac;
@class ZoomBubbleController;
class ZoomDecorationTest;
namespace ui_zoom {
class ZoomController;
}
// Zoom icon at the end of the omnibox (close to page actions) when at a
// non-standard zoom level.
class ZoomDecoration : public ImageDecoration,
public ZoomBubbleControllerDelegate {
public:
explicit ZoomDecoration(LocationBarViewMac* owner);
~ZoomDecoration() override;
// Called when this decoration should show or hide itself in its most current
// state. Returns whether any updates were made.
bool UpdateIfNecessary(ui_zoom::ZoomController* zoom_controller);
// Shows the zoom bubble for this decoration. If |auto_close| is YES, then
// the bubble will automatically close after a fixed period of time.
// If a bubble is already showing, the |auto_close| timer is reset.
void ShowBubble(BOOL auto_close);
// Closes the zoom bubble.
void CloseBubble();
protected:
// Hides all UI associated with the zoom decoration.
// Virtual and protected for testing.
virtual void HideUI();
// Show and update UI associated with the zoom decoration.
// Virtual and protected for testing.
virtual void ShowAndUpdateUI(ui_zoom::ZoomController* zoom_controller,
NSString* tooltip_string);
private:
friend ZoomDecorationTest;
bool IsAtDefaultZoom() const;
// Virtual for testing.
virtual bool ShouldShowDecoration() const;
// LocationBarDecoration implementation.
bool AcceptsMousePress() override;
bool OnMousePressed(NSRect frame, NSPoint location) override;
NSString* GetToolTip() override;
NSPoint GetBubblePointInFrame(NSRect frame) override;
// ZoomBubbleControllerDelegate implementation.
content::WebContents* GetWebContents() override;
void OnClose() override;
// The control that owns this. Weak.
LocationBarViewMac* owner_;
// The bubble that this decoration shows. Weak, owns self.
ZoomBubbleController* bubble_;
// The string to show for a tooltip.
base::scoped_nsobject<NSString> tooltip_;
DISALLOW_COPY_AND_ASSIGN(ZoomDecoration);
};
#endif // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ZOOM_DECORATION_H_
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