1 /* 2 * Copyright (C) 2012 Apple 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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef SVGImageChromeClient_h 30 #define SVGImageChromeClient_h 31 32 #include "core/loader/EmptyClients.h" 33 #include "core/platform/graphics/ImageObserver.h" 34 35 namespace WebCore { 36 37 class SVGImageChromeClient : public EmptyChromeClient { 38 WTF_MAKE_NONCOPYABLE(SVGImageChromeClient); WTF_MAKE_FAST_ALLOCATED; 39 public: 40 SVGImageChromeClient(SVGImage* image) 41 : m_image(image) 42 { 43 } 44 45 virtual bool isSVGImageChromeClient() const { return true; } 46 SVGImage* image() const { return m_image; } 47 48 private: 49 virtual void chromeDestroyed() 50 { 51 m_image = 0; 52 } 53 54 virtual void invalidateContentsAndRootView(const IntRect& r) 55 { 56 // If m_image->m_page is null, we're being destructed, don't fire changedInRect() in that case. 57 if (m_image && m_image->imageObserver() && m_image->m_page) 58 m_image->imageObserver()->changedInRect(m_image, r); 59 } 60 61 SVGImage* m_image; 62 }; 63 64 inline SVGImageChromeClient* toSVGImageChromeClient(ChromeClient* client) 65 { 66 ASSERT_WITH_SECURITY_IMPLICATION(!client || client->isSVGImageChromeClient()); 67 return static_cast<SVGImageChromeClient*>(client); 68 } 69 70 } 71 72 #endif // SVGImageChromeClient_h 73