1 // Copyright (c) 2012 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.
5 #ifndef CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ZOOM_DECORATION_H_
6 #define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ZOOM_DECORATION_H_
8 #import <Cocoa/Cocoa.h>
10 #include "base/basictypes.h"
11 #import "chrome/browser/ui/cocoa/browser/zoom_bubble_controller.h"
12 #include "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
14 class LocationBarViewMac;
15 @class ZoomBubbleController;
17 class ZoomDecorationTest;
19 // Zoom icon at the end of the omnibox (close to page actions) when at a
20 // non-standard zoom level.
21 class ZoomDecoration : public ImageDecoration,
22 public ZoomBubbleControllerDelegate {
24 explicit ZoomDecoration(LocationBarViewMac* owner);
25 ~ZoomDecoration() override;
27 // Called when this decoration should show or hide itself in its most current
28 // state. Returns whether any updates were made.
29 bool UpdateIfNecessary(ZoomController* zoom_controller);
31 // Shows the zoom bubble for this decoration. If |auto_close| is YES, then
32 // the bubble will automatically close after a fixed period of time.
33 void ShowBubble(BOOL auto_close);
35 // Closes the zoom bubble.
39 // Hides all UI associated with the zoom decoration.
40 // Virtual and protected for testing.
41 virtual void HideUI();
43 // Show and update UI associated with the zoom decoration.
44 // Virtual and protected for testing.
45 virtual void ShowAndUpdateUI(ZoomController* zoom_controller,
46 NSString* tooltip_string);
49 friend ZoomDecorationTest;
51 bool IsAtDefaultZoom() const;
53 // Virtual for testing.
54 virtual bool ShouldShowDecoration() const;
56 // LocationBarDecoration implementation.
57 bool AcceptsMousePress() override;
58 bool OnMousePressed(NSRect frame, NSPoint location) override;
59 NSString* GetToolTip() override;
60 NSPoint GetBubblePointInFrame(NSRect frame) override;
62 // ZoomBubbleControllerDelegate implementation.
63 content::WebContents* GetWebContents() override;
64 void OnClose() override;
66 // The control that owns this. Weak.
67 LocationBarViewMac* owner_;
69 // The bubble that this decoration shows. Weak, owns self.
70 ZoomBubbleController* bubble_;
72 // The string to show for a tooltip.
73 base::scoped_nsobject<NSString> tooltip_;
75 DISALLOW_COPY_AND_ASSIGN(ZoomDecoration);
78 #endif // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ZOOM_DECORATION_H_