1// Copyright (c) 2006-2008 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_TABS_NATIVE_VIEW_PHOTOBOOTH_H_
6#define CHROME_BROWSER_UI_VIEWS_TABS_NATIVE_VIEW_PHOTOBOOTH_H_
7#pragma once
8
9#include "base/compiler_specific.h"
10#include "ui/gfx/native_widget_types.h"
11
12namespace gfx {
13class Canvas;
14class Rect;
15}
16///////////////////////////////////////////////////////////////////////////////
17// NativeViewPhotobooth
18//
19//  An object that a NativeView "steps into" to have its picture taken. This is
20//  used to generate a full size screen shot of the contents of a NativeView
21//  including any child windows.
22//
23//  Implementation note: This causes the NativeView to be re-parented to a
24//  mostly off-screen layered window.
25//
26class NativeViewPhotobooth {
27 public:
28  // Creates the photo booth. Constructs a nearly off-screen window, parents
29  // the view, then shows it. The caller is responsible for destroying this
30  // photo-booth, since the photo-booth will detach it before it is destroyed.
31  static NativeViewPhotobooth* Create(gfx::NativeView initial_view);
32
33  // Destroys the photo booth window.
34  virtual ~NativeViewPhotobooth() {}
35
36  // Replaces the view in the photo booth with the specified one.
37  virtual void Replace(gfx::NativeView new_view) = 0;
38
39  // Paints the current display image of the window into |canvas|, clipped to
40  // |target_bounds|.
41  virtual void PaintScreenshotIntoCanvas(gfx::Canvas* canvas,
42                                         const gfx::Rect& target_bounds) = 0;
43};
44
45#endif  // CHROME_BROWSER_UI_VIEWS_TABS_NATIVE_VIEW_PHOTOBOOTH_H_
46