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      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 #include "config.h"
     33 #include "public/web/WebElementCollection.h"
     34 
     35 #include "core/dom/Element.h"
     36 #include "core/html/HTMLCollection.h"
     37 #include "public/web/WebElement.h"
     38 #include "wtf/PassRefPtr.h"
     39 
     40 using namespace WebCore;
     41 
     42 namespace blink {
     43 
     44 void WebElementCollection::reset()
     45 {
     46     m_private.reset();
     47 }
     48 
     49 void WebElementCollection::assign(const WebElementCollection& other)
     50 {
     51     m_private = other.m_private;
     52 }
     53 
     54 WebElementCollection::WebElementCollection(const PassRefPtrWillBeRawPtr<HTMLCollection>& col)
     55     : m_private(col)
     56 {
     57 }
     58 
     59 WebElementCollection& WebElementCollection::operator=(const PassRefPtrWillBeRawPtr<HTMLCollection>& col)
     60 {
     61     m_private = col;
     62     return *this;
     63 }
     64 
     65 unsigned WebElementCollection::length() const
     66 {
     67     return m_private->length();
     68 }
     69 
     70 WebElement WebElementCollection::nextItem() const
     71 {
     72     Element* element = m_private->item(m_current);
     73     if (element)
     74         m_current++;
     75     return WebElement(element);
     76 }
     77 
     78 WebElement WebElementCollection::firstItem() const
     79 {
     80     m_current = 0;
     81     return nextItem();
     82 }
     83 
     84 } // namespace blink
     85