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 namespace WebCore { class HTMLCollection; } 39 #if BLINK_IMPLEMENTATION 40 #include "platform/heap/Handle.h" 41 namespace WTF { template <typename T> class PassRefPtr; } 42 #endif 43 44 namespace blink { 45 class WebElement; 46 47 // Provides readonly access to some properties of a DOM node. 48 class WebElementCollection { 49 public: ~WebElementCollection()50 ~WebElementCollection() { reset(); } 51 WebElementCollection()52 WebElementCollection() : m_current(0) { } WebElementCollection(const WebElementCollection & n)53 WebElementCollection(const WebElementCollection& n) { assign(n); } 54 WebElementCollection& operator=(const WebElementCollection& n) 55 { 56 assign(n); 57 return *this; 58 } 59 isNull()60 bool isNull() const { return m_private.isNull(); } 61 62 BLINK_EXPORT void reset(); 63 BLINK_EXPORT void assign(const WebElementCollection&); 64 65 BLINK_EXPORT unsigned length() const; 66 BLINK_EXPORT WebElement nextItem() const; 67 BLINK_EXPORT WebElement firstItem() const; 68 69 #if BLINK_IMPLEMENTATION 70 WebElementCollection(const PassRefPtrWillBeRawPtr<WebCore::HTMLCollection>&); 71 WebElementCollection& operator=(const PassRefPtrWillBeRawPtr<WebCore::HTMLCollection>&); 72 #endif 73 74 private: 75 WebPrivatePtr<WebCore::HTMLCollection> m_private; 76 mutable unsigned m_current; 77 }; 78 79 } // namespace blink 80 81 #endif 82