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" 40 namespace WTF { template <typename T> class PassRefPtr; } 41 #endif 42 43 namespace blink { 44 45 class HTMLCollection; 46 class WebElement; 47 48 // Provides readonly access to some properties of a DOM node. 49 class WebElementCollection { 50 public: ~WebElementCollection()51 ~WebElementCollection() { reset(); } 52 WebElementCollection()53 WebElementCollection() : m_current(0) { } WebElementCollection(const WebElementCollection & n)54 WebElementCollection(const WebElementCollection& n) { assign(n); } 55 WebElementCollection& operator=(const WebElementCollection& n) 56 { 57 assign(n); 58 return *this; 59 } 60 isNull()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 75 private: 76 WebPrivatePtr<HTMLCollection> m_private; 77 mutable unsigned m_current; 78 }; 79 80 } // namespace blink 81 82 #endif 83