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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #include "config.h" 26 #include "android/WebDOMTextContentWalker.h" 27 28 #include "DOMTextContentWalker.h" 29 #include "Element.h" 30 #include "Node.h" 31 #include "Range.h" 32 #include "RenderObject.h" 33 #include "Text.h" 34 #include "VisiblePosition.h" 35 #include "android/WebHitTestInfo.h" 36 37 using namespace WebCore; 38 39 namespace WebKit { 40 41 WebDOMTextContentWalker::WebDOMTextContentWalker() 42 { 43 } 44 45 WebDOMTextContentWalker::~WebDOMTextContentWalker() 46 { 47 m_private.reset(0); 48 } 49 50 WebDOMTextContentWalker::WebDOMTextContentWalker(const WebHitTestInfo& hitTestInfo, size_t maxLength) 51 { 52 Node* node = hitTestInfo.node(); 53 if (!node) 54 return; 55 56 Element* element = node->parentElement(); 57 if (!node->inDocument() && element && element->inDocument()) 58 node = element; 59 m_private.reset(new DOMTextContentWalker(node->renderer()->positionForPoint(hitTestInfo.point()), maxLength)); 60 } 61 62 WebDOMTextContentWalker::WebDOMTextContentWalker(Node* node, size_t offset, size_t maxLength) 63 { 64 if (!node || !node->isTextNode() || offset >= node->nodeValue().length()) 65 return; 66 67 m_private.reset(new DOMTextContentWalker(VisiblePosition(Position(static_cast<Text*>(node), offset).parentAnchoredEquivalent(), DOWNSTREAM), maxLength)); 68 } 69 70 WebString WebDOMTextContentWalker::content() const 71 { 72 return m_private->content(); 73 } 74 75 size_t WebDOMTextContentWalker::hitOffsetInContent() const 76 { 77 return m_private->hitOffsetInContent(); 78 } 79 80 WebRange WebDOMTextContentWalker::contentOffsetsToRange(size_t startInContent, size_t endInContent) 81 { 82 return m_private->contentOffsetsToRange(startInContent, endInContent); 83 } 84 85 } // namespace WebKit 86