Refactors HWNDPhotobooth into NativeViewPhotobooth and

NativeViewPhotoboothWin.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/115475

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16324 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 43 insertions, 0 deletions

diff --git a/chrome/browser/views/tabs/native_view_photobooth.h b/chrome/browser/views/tabs/native_view_photobooth.h
new file mode 100644
index 0000000..3d639b3
--- /dev/null
+++ b/chrome/browser/views/tabs/native_view_photobooth.h
@@ -0,0 +1,43 @@
+// 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_VIEWS_TABS_NATIVE_VIEW_PHOTOBOOTH_H_
+#define CHROME_BROWSER_VIEWS_TABS_NATIVE_VIEW_PHOTOBOOTH_H_
+
+#include "base/gfx/native_widget_types.h"
+
+namespace gfx {
+class Canvas;
+class Rect;
+}
+///////////////////////////////////////////////////////////////////////////////
+// NativeViewPhotobooth
+//
+//  An object that a NativeView "steps into" to have its picture taken. This is
+//  used to generate a full size screen shot of the contents of a NativeView
+//  including any child windows.
+//
+//  Implementation note: This causes the NativeView to be re-parented to a
+//  mostly off-screen layered window.
+//
+class NativeViewPhotobooth {
+ public:
+  // Creates the photo booth. Constructs a nearly off-screen window, parents
+  // the view, then shows it. The caller is responsible for destroying this
+  // photo-booth, since the photo-booth will detach it before it is destroyed.
+  static NativeViewPhotobooth* Create(gfx::NativeView initial_view);
+
+  // Destroys the photo booth window.
+  virtual ~NativeViewPhotobooth() {}
+
+  // Replaces the view in the photo booth with the specified one.
+  virtual void Replace(gfx::NativeView new_view) = 0;
+
+  // Paints the current display image of the window into |canvas|, clipped to
+  // |target_bounds|.
+  virtual void PaintScreenshotIntoCanvas(gfx::Canvas* canvas,
+                                         const gfx::Rect& target_bounds) = 0;
+};
+
+#endif  // #ifndef CHROME_BROWSER_VIEWS_TABS_NATIVE_VIEW_PHOTOBOOTH_H_