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// Copyright (c) 2011 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_FRAME_CONTENTS_CONTAINER_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_CONTAINER_H_
#pragma once
#include "ui/views/view.h"
namespace content {
class WebContents;
}
// ContentsContainer is responsible for managing the TabContents views.
// ContentsContainer has up to two children: one for the currently active
// TabContents and one for instant's TabContents.
class ContentsContainer : public views::View {
public:
// Internal class name
static const char kViewClassName[];
explicit ContentsContainer(views::View* active);
virtual ~ContentsContainer();
// Makes the preview view the active view and nulls out the old active view.
// It's assumed the caller will delete or remove the old active view
// separately.
void MakePreviewContentsActiveContents();
// Sets the preview view. This does not delete the old.
void SetPreview(views::View* preview,
content::WebContents* preview_web_contents);
content::WebContents* preview_web_contents() const {
return preview_web_contents_;
}
// Sets the active top margin.
void SetActiveTopMargin(int margin);
// Returns the bounds of the preview. If the preview isn't active this
// retuns the bounds the preview would be shown at.
gfx::Rect GetPreviewBounds();
// View overrides:
virtual void Layout() OVERRIDE;
virtual std::string GetClassName() const OVERRIDE;
private:
views::View* active_;
views::View* preview_;
content::WebContents* preview_web_contents_;
// The margin between the top and the active view. This is used to make the
// preview overlap the bookmark bar on the new tab page.
int active_top_margin_;
DISALLOW_COPY_AND_ASSIGN(ContentsContainer);
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_CONTAINER_H_
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