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// Copyright (c) 2010 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_VIEWS_FRAME_CONTENTS_CONTAINER_H_
#define CHROME_BROWSER_VIEWS_FRAME_CONTENTS_CONTAINER_H_
#pragma once
#include "views/view.h"
class BrowserView;
class TabContents;
namespace views {
class Widget;
}
// 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:
ContentsContainer(BrowserView* browser_view, 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, TabContents* preview_tab_contents);
TabContents* preview_tab_contents() const { return preview_tab_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();
private:
#if defined(OS_WIN)
class TearWindow;
#else
typedef views::Widget TearWindow;
#endif
// Creates and configures the tear window.
void CreateTearWindow();
// Creates and returns a new TearWindow.
TearWindow* CreateTearWindowImpl();
// Resets the bounds of the tear window.
void PositionTearWindow();
// Closes and deletes the tear window.
void DeleteTearWindow();
// Invoked when the tear window is destroyed.
void TearWindowDestroyed();
BrowserView* browser_view_;
views::View* active_;
views::View* preview_;
TabContents* preview_tab_contents_;
// Window used to show the page tear.
TearWindow* tear_window_;
// 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_VIEWS_FRAME_CONTENTS_CONTAINER_H_
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