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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_VIEWS_PAGE_ACTION_ZOOM_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_PAGE_ACTION_ZOOM_VIEW_H_
#include "base/macros.h"
#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
#include "chrome/browser/ui/views/page_action/page_action_icon_view.h"
// View for the zoom icon in the Omnibox.
class ZoomView : public PageActionIconView {
public:
// Clicking on the ZoomView shows a ZoomBubbleView, which requires the current
// WebContents. Because the current WebContents changes as the user switches
// tabs, a LocationBarView::Delegate is supplied to queried for the current
// WebContents when needed.
ZoomView(LocationBarView::Delegate* location_bar_delegate,
PageActionIconView::Delegate* delegate);
~ZoomView() override;
// Updates the image and its tooltip appropriately, hiding or showing the icon
// as needed.
void ZoomChangedForActiveTab(bool can_show_bubble);
protected:
// PageActionIconView:
bool Update() override;
void OnExecuting(PageActionIconView::ExecuteSource source) override;
views::BubbleDialogDelegateView* GetBubble() const override;
const gfx::VectorIcon& GetVectorIcon() const override;
base::string16 GetTextForTooltipAndAccessibleName() const override;
private:
bool ShouldBeVisible(bool can_show_bubble) const;
bool HasAssociatedBubble() const;
// The delegate used to get whether omnibox input is in progress.
LocationBarView::Delegate* location_bar_delegate_;
const gfx::VectorIcon* icon_ = nullptr;
int current_zoom_percent_ = 100;
DISALLOW_COPY_AND_ASSIGN(ZoomView);
};
#endif // CHROME_BROWSER_UI_VIEWS_PAGE_ACTION_ZOOM_VIEW_H_