1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef WebGLLoseContext_h 27 #define WebGLLoseContext_h 28 29 #include "bindings/core/v8/ScriptWrappable.h" 30 #include "core/html/canvas/WebGLExtension.h" 31 #include "wtf/PassRefPtr.h" 32 33 namespace blink { 34 35 class WebGLRenderingContextBase; 36 37 class WebGLLoseContext FINAL : public WebGLExtension, public ScriptWrappable { 38 DEFINE_WRAPPERTYPEINFO(); 39 public: 40 static PassRefPtrWillBeRawPtr<WebGLLoseContext> create(WebGLRenderingContextBase*); 41 static bool supported(WebGLRenderingContextBase*); 42 static const char* extensionName(); 43 44 virtual ~WebGLLoseContext(); 45 virtual WebGLExtensionName name() const OVERRIDE; 46 virtual void lose(bool) OVERRIDE; 47 48 void loseContext(); 49 void restoreContext(); 50 51 private: 52 explicit WebGLLoseContext(WebGLRenderingContextBase*); 53 }; 54 55 } // namespace blink 56 57 #endif // WebGLLoseContext_h 58
