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 "WebFrame.h" 35 #include "public/platform/WebCommon.h" 36 #include "public/platform/WebPrivatePtr.h" 37 #include "public/platform/WebVector.h" 38 39 namespace blink { 40 41 class Range; 42 class WebNode; 43 class WebString; 44 45 // Provides readonly access to some properties of a DOM range. 46 class WebRange { 47 public: 48 ~WebRange() { reset(); } 49 50 WebRange() { } 51 WebRange(const WebRange& r) { assign(r); } 52 WebRange& operator=(const WebRange& r) 53 { 54 assign(r); 55 return *this; 56 } 57 58 BLINK_EXPORT void reset(); 59 BLINK_EXPORT void assign(const WebRange&); 60 61 bool isNull() const { return m_private.isNull(); } 62 63 BLINK_EXPORT int startOffset() const; 64 BLINK_EXPORT int endOffset() const; 65 BLINK_EXPORT WebNode startContainer(int& exceptionCode) const; 66 BLINK_EXPORT WebNode endContainer(int& exceptionCode) const; 67 68 BLINK_EXPORT WebString toHTMLText() const; 69 BLINK_EXPORT WebString toPlainText() const; 70 71 BLINK_EXPORT WebRange expandedToParagraph() const; 72 73 BLINK_EXPORT static WebRange fromDocumentRange(WebLocalFrame*, int start, int length); 74 75 #if BLINK_IMPLEMENTATION 76 WebRange(const PassRefPtrWillBeRawPtr<Range>&); 77 operator PassRefPtrWillBeRawPtr<Range>() const; 78 #endif 79 80 private: 81 WebPrivatePtr<Range> m_private; 82 }; 83 84 } // namespace blink 85 86 #endif 87