diff options
Diffstat (limited to 'ui/base/cocoa/underlay_opengl_hosting_window.h')
| -rw-r--r-- | ui/base/cocoa/underlay_opengl_hosting_window.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/ui/base/cocoa/underlay_opengl_hosting_window.h b/ui/base/cocoa/underlay_opengl_hosting_window.h new file mode 100644 index 0000000..caa3cf0 --- /dev/null +++ b/ui/base/cocoa/underlay_opengl_hosting_window.h @@ -0,0 +1,33 @@ +// Copyright (c) 2012 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 UI_BASE_COCOA_UNDERLAY_OPENGL_HOSTING_WINDOW_H_ +#define UI_BASE_COCOA_UNDERLAY_OPENGL_HOSTING_WINDOW_H_ +#pragma once + +#import <Cocoa/Cocoa.h> + +// Protocol implemented by windows that need to be informed explicitly about +// underlay surfaces. +@protocol UnderlayableSurface +- (void)underlaySurfaceAdded; +- (void)underlaySurfaceRemoved; +@end + +// Common base class for windows that host a OpenGL surface that renders under +// the window. Contains methods relating to hole punching so that the OpenGL +// surface is visible through the window. +@interface UnderlayOpenGLHostingWindow : NSWindow<UnderlayableSurface> { + @private + int underlaySurfaceCount_; +} + +// Informs the window that an underlay surface has been added/removed. The +// window is non-opaque while underlay surfaces are present. +- (void)underlaySurfaceAdded; +- (void)underlaySurfaceRemoved; + +@end + +#endif // UI_BASE_COCOA_UNDERLAY_OPENGL_HOSTING_WINDOW_H_ |