Upstream version 11.40.277.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / ui / views / location_bar / zoom_view.h
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.
4
5 #ifndef CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ZOOM_VIEW_H_
6 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ZOOM_VIEW_H_
7
8 #include "base/macros.h"
9 #include "chrome/browser/ui/views/location_bar/bubble_icon_view.h"
10 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
11
12 class ZoomController;
13
14 // View for the zoom icon in the Omnibox.
15 class ZoomView : public BubbleIconView {
16  public:
17   // Clicking on the ZoomView shows a ZoomBubbleView, which requires the current
18   // WebContents. Because the current WebContents changes as the user switches
19   // tabs, a LocationBarView::Delegate is supplied to queried for the current
20   // WebContents when needed.
21   explicit ZoomView(LocationBarView::Delegate* location_bar_delegate);
22   ~ZoomView() override;
23
24   // Updates the image and its tooltip appropriately, hiding or showing the icon
25   // as needed.
26   void Update(ZoomController* zoom_controller);
27
28  protected:
29   // BubbleIconView:
30   bool IsBubbleShowing() const override;
31   void OnExecuting(BubbleIconView::ExecuteSource source) override;
32   void GetAccessibleState(ui::AXViewState* state) override;
33
34  private:
35   // The delegate used to get the currently visible WebContents.
36   LocationBarView::Delegate* location_bar_delegate_;
37
38   DISALLOW_COPY_AND_ASSIGN(ZoomView);
39 };
40
41 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ZOOM_VIEW_H_