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#ifndef WebRange_h 32#define WebRange_h 33 34#include "../platform/WebCommon.h" 35#include "../platform/WebVector.h" 36 37#if WEBKIT_IMPLEMENTATION 38namespace WebCore { class Range; } 39namespace WTF { template <typename T> class PassRefPtr; } 40#endif 41 42namespace WebKit { 43 44struct WebFloatQuad; 45class WebFrame; 46class WebNode; 47class WebRangePrivate; 48class WebString; 49 50// Provides readonly access to some properties of a DOM range. 51class WebRange { 52public: 53 ~WebRange() { reset(); } 54 55 WebRange() : m_private(0) { } 56 WebRange(const WebRange& r) : m_private(0) { assign(r); } 57 WebRange& operator=(const WebRange& r) 58 { 59 assign(r); 60 return *this; 61 } 62 63 WEBKIT_EXPORT void reset(); 64 WEBKIT_EXPORT void assign(const WebRange&); 65 66 bool isNull() const { return !m_private; } 67 68 WEBKIT_EXPORT int startOffset() const; 69 WEBKIT_EXPORT int endOffset() const; 70 WEBKIT_EXPORT WebNode startContainer(int& exceptionCode) const; 71 WEBKIT_EXPORT WebNode endContainer(int& exceptionCode) const; 72 73 WEBKIT_EXPORT WebString toHTMLText() const; 74 WEBKIT_EXPORT WebString toPlainText() const; 75 76 WEBKIT_EXPORT WebRange expandedToParagraph() const; 77 78 WEBKIT_EXPORT static WebRange fromDocumentRange(WebFrame*, int start, int length); 79 80 WEBKIT_EXPORT WebVector<WebFloatQuad> textQuads() const; 81 82#if WEBKIT_IMPLEMENTATION 83 WebRange(const WTF::PassRefPtr<WebCore::Range>&); 84 WebRange& operator=(const WTF::PassRefPtr<WebCore::Range>&); 85 operator WTF::PassRefPtr<WebCore::Range>() const; 86#endif 87 88private: 89 void assign(WebRangePrivate*); 90 WebRangePrivate* m_private; 91}; 92 93} // namespace WebKit 94 95#endif 96