1/* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * Copyright (C) 2014 Samsung Electronics. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef WebElementCollection_h 33#define WebElementCollection_h 34 35#include "../platform/WebCommon.h" 36#include "../platform/WebPrivatePtr.h" 37 38#if BLINK_IMPLEMENTATION 39#include "platform/heap/Handle.h" 40namespace WTF { template <typename T> class PassRefPtr; } 41#endif 42 43namespace blink { 44 45class HTMLCollection; 46class WebElement; 47 48// Provides readonly access to some properties of a DOM node. 49class WebElementCollection { 50public: 51 ~WebElementCollection() { reset(); } 52 53 WebElementCollection() : m_current(0) { } 54 WebElementCollection(const WebElementCollection& n) { assign(n); } 55 WebElementCollection& operator=(const WebElementCollection& n) 56 { 57 assign(n); 58 return *this; 59 } 60 61 bool isNull() const { return m_private.isNull(); } 62 63 BLINK_EXPORT void reset(); 64 BLINK_EXPORT void assign(const WebElementCollection&); 65 66 BLINK_EXPORT unsigned length() const; 67 BLINK_EXPORT WebElement nextItem() const; 68 BLINK_EXPORT WebElement firstItem() const; 69 70#if BLINK_IMPLEMENTATION 71 WebElementCollection(const PassRefPtrWillBeRawPtr<HTMLCollection>&); 72 WebElementCollection& operator=(const PassRefPtrWillBeRawPtr<HTMLCollection>&); 73#endif 74 75private: 76 WebPrivatePtr<HTMLCollection> m_private; 77 mutable unsigned m_current; 78}; 79 80} // namespace blink 81 82#endif 83