1 /* 2 * Copyright (C) 2011 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 are 6 * met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. 20 * OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef PageOverlay_h 30 #define PageOverlay_h 31 32 #include "wtf/OwnPtr.h" 33 #include "wtf/PassOwnPtr.h" 34 35 namespace WebCore { 36 class GraphicsContext; 37 class GraphicsLayer; 38 class GraphicsLayerClient; 39 } 40 41 namespace WebKit { 42 class WebPageOverlay; 43 class WebViewImpl; 44 struct WebRect; 45 46 class PageOverlay { 47 public: 48 static PassOwnPtr<PageOverlay> create(WebViewImpl*, WebPageOverlay*); 49 50 ~PageOverlay() { } 51 52 WebPageOverlay* overlay() const { return m_overlay; } 53 void setOverlay(WebPageOverlay* overlay) { m_overlay = overlay; } 54 55 int zOrder() const { return m_zOrder; } 56 void setZOrder(int zOrder) { m_zOrder = zOrder; } 57 58 void clear(); 59 void update(); 60 void paintWebFrame(WebCore::GraphicsContext&); 61 62 WebCore::GraphicsLayer* graphicsLayer() const { return m_layer.get(); } 63 64 private: 65 PageOverlay(WebViewImpl*, WebPageOverlay*); 66 void invalidateWebFrame(); 67 68 WebViewImpl* m_viewImpl; 69 WebPageOverlay* m_overlay; 70 OwnPtr<WebCore::GraphicsLayerClient> m_layerClient; 71 OwnPtr<WebCore::GraphicsLayer> m_layer; 72 int m_zOrder; 73 }; 74 75 } // namespace WebKit 76 77 #endif // PageOverlay_h 78