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 #include "config.h" 30 #include "core/accessibility/AXSVGRoot.h" 31 32 33 namespace blink { 34 35 AXSVGRoot::AXSVGRoot(RenderObject* renderer) 36 : AXRenderObject(renderer) 37 , m_parent(0) 38 { 39 } 40 41 AXSVGRoot::~AXSVGRoot() 42 { 43 } 44 45 PassRefPtr<AXSVGRoot> AXSVGRoot::create(RenderObject* renderer) 46 { 47 return adoptRef(new AXSVGRoot(renderer)); 48 } 49 50 void AXSVGRoot::setParent(AXObject* parent) 51 { 52 // Only update the parent to another objcet if it wasn't already set to 53 // something. Multiple elements in an HTML document can reference 54 // the same remote SVG document, and in that case the parent should just 55 // stay with the first one. 56 if (!m_parent || !parent) 57 m_parent = parent; 58 } 59 60 AXObject* AXSVGRoot::parentObject() const 61 { 62 // If a parent was set because this is a remote SVG resource, use that 63 // but otherwise, we should rely on the standard render tree for the parent. 64 if (m_parent) 65 return m_parent; 66 67 return AXRenderObject::parentObject(); 68 } 69 70 71 } // namespace blink 72
