1 /* 2 * Copyright (C) 2009 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 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "public/web/WebRange.h" 33 34 #include "bindings/core/v8/ExceptionState.h" 35 #include "bindings/core/v8/ExceptionStatePlaceholder.h" 36 #include "core/dom/Document.h" 37 #include "core/dom/Element.h" 38 #include "core/dom/Range.h" 39 #include "core/dom/shadow/ShadowRoot.h" 40 #include "core/editing/FrameSelection.h" 41 #include "core/editing/PlainTextRange.h" 42 #include "core/frame/FrameView.h" 43 #include "core/frame/LocalFrame.h" 44 #include "public/platform/WebString.h" 45 #include "public/web/WebExceptionCode.h" 46 #include "public/web/WebNode.h" 47 #include "web/WebLocalFrameImpl.h" 48 #include "wtf/PassRefPtr.h" 49 50 namespace blink { 51 52 void WebRange::reset() 53 { 54 m_private.reset(); 55 } 56 57 void WebRange::assign(const WebRange& other) 58 { 59 m_private = other.m_private; 60 } 61 62 int WebRange::startOffset() const 63 { 64 return m_private->startOffset(); 65 } 66 67 int WebRange::endOffset() const 68 { 69 return m_private->endOffset(); 70 } 71 72 WebNode WebRange::startContainer(WebExceptionCode& exceptionCode) const 73 { 74 // FIXME: Create a wrapper class that just sets the internal int. 75 RefPtrWillBeRawPtr<Node> node(m_private->startContainer()); 76 exceptionCode = 0; 77 return node.release(); 78 } 79 80 WebNode WebRange::endContainer(WebExceptionCode& exceptionCode) const 81 { 82 // FIXME: Create a wrapper class that just sets the internal int. 83 RefPtrWillBeRawPtr<Node> node(m_private->endContainer()); 84 exceptionCode = 0; 85 return node.release(); 86 } 87 88 WebString WebRange::toHTMLText() const 89 { 90 return m_private->toHTML(); 91 } 92 93 WebString WebRange::toPlainText() const 94 { 95 return m_private->text(); 96 } 97 98 WebRange WebRange::expandedToParagraph() const 99 { 100 WebRange copy(*this); 101 copy.m_private->expand("block", IGNORE_EXCEPTION); 102 return copy; 103 } 104 105 // static 106 WebRange WebRange::fromDocumentRange(WebLocalFrame* frame, int start, int length) 107 { 108 LocalFrame* webFrame = toWebLocalFrameImpl(frame)->frame(); 109 Element* selectionRoot = webFrame->selection().rootEditableElement(); 110 ContainerNode* scope = selectionRoot ? selectionRoot : webFrame->document()->documentElement(); 111 return PlainTextRange(start, start + length).createRange(*scope); 112 } 113 114 WebRange::WebRange(const PassRefPtrWillBeRawPtr<Range>& range) 115 : m_private(range) 116 { 117 } 118 119 WebRange::operator PassRefPtrWillBeRawPtr<Range>() const 120 { 121 return m_private.get(); 122 } 123 124 } // namespace blink 125