third_party/WebKit/Source/web/WebElementCollection.cpp

   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 namespace blink {
  41
  42 void WebElementCollection::reset()
  43 {
  44     m_private.reset();
  45 }
  46
  47 void WebElementCollection::assign(const WebElementCollection& other)
  48 {
  49     m_private = other.m_private;
  50 }
  51
  52 WebElementCollection::WebElementCollection(const PassRefPtrWillBeRawPtr<HTMLCollection>& col)
  53     : m_private(col)
  54 {
  55 }
  56
  57 WebElementCollection& WebElementCollection::operator=(const PassRefPtrWillBeRawPtr<HTMLCollection>& col)
  58 {
  59     m_private = col;
  60     return *this;
  61 }
  62
  63 unsigned WebElementCollection::length() const
  64 {
  65     return m_private->length();
  66 }
  67
  68 WebElement WebElementCollection::nextItem() const
  69 {
  70     Element* element = m_private->item(m_current);
  71     if (element)
  72         m_current++;
  73     return WebElement(element);
  74 }
  75
  76 WebElement WebElementCollection::firstItem() const
  77 {
  78     m_current = 0;
  79     return nextItem();
  80 }
  81
  82 } // namespace blink