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-rw-r--r--chrome/browser/tabs/hwnd_photobooth.h62
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diff --git a/chrome/browser/tabs/hwnd_photobooth.h b/chrome/browser/tabs/hwnd_photobooth.h
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-// Copyright (c) 2006-2008 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_HWND_PHOTOBOOTH_H__
-#define CHROME_BROWSER_HWND_PHOTOBOOTH_H__
-
-#include "base/basictypes.h"
-#include "base/gfx/rect.h"
-
-class ChromeCanvas;
-namespace ChromeViews {
-class HWNDViewContainer;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// HWNDPhotobooth
-//
-// An object that a HWND "steps into" to have its picture taken. This is used
-// to generate a full size screen shot of the contents of a HWND including
-// any child windows.
-//
-// Implementation note: This causes the HWND to be re-parented to a mostly
-// off-screen layered window.
-//
-class HWNDPhotobooth {
- public:
- // Creates the photo booth. Constructs a nearly off-screen window, parents
- // the HWND, then shows it. The caller is responsible for destroying this
- // window, since the photo-booth will detach it before it is destroyed.
- // |canvas| is a canvas to paint the contents into, and dest_bounds is the
- // target area in |canvas| to which painted contents will be clipped.
- explicit HWNDPhotobooth(HWND initial_hwnd);
-
- // Destroys the photo booth window.
- virtual ~HWNDPhotobooth();
-
- // Replaces the HWND in the photo booth with the specified one. The caller is
- // responsible for destroying this HWND since it will be detached from the
- // capture window before the capture window is destroyed.
- void ReplaceHWND(HWND new_hwnd);
-
- // Paints the current display image of the window into |canvas|, clipped to
- // |target_bounds|.
- void PaintScreenshotIntoCanvas(ChromeCanvas* canvas,
- const gfx::Rect& target_bounds);
-
- private:
- // Creates a mostly off-screen window to contain the HWND to be captured.
- void CreateCaptureWindow(HWND initial_hwnd);
-
- // The nearly off-screen photo-booth layered window used to hold the HWND.
- ChromeViews::HWNDViewContainer* capture_window_;
-
- // The current HWND being captured.
- HWND current_hwnd_;
-
- DISALLOW_EVIL_CONSTRUCTORS(HWNDPhotobooth);
-};
-
-#endif // #ifndef CHROME_BROWSER_HWND_PHOTOBOOTH_H__
-