1 /*

     2  * Copyright (C) 2009 Google Inc. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions are

     6  * met:

     7  *

     8  *     * Redistributions of source code must retain the above copyright

     9  * notice, this list of conditions and the following disclaimer.

    10  *     * Redistributions in binary form must reproduce the above

    11  * copyright notice, this list of conditions and the following disclaimer

    12  * in the documentation and/or other materials provided with the

    13  * distribution.

    14  *     * Neither the name of Google Inc. nor the names of its

    15  * contributors may be used to endorse or promote products derived from

    16  * this software without specific prior written permission.

    17  *

    18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    29  */

    30 

    31 #include "config.h"

    32 #include "WebNodeCollection.h"

    33 

    34 #include "HTMLCollection.h"

    35 #include "Node.h"

    36 #include <wtf/PassRefPtr.h>

    37 

    38 #include "WebNode.h"

    39 

    40 using namespace WebCore;

    41 

    42 namespace WebKit {

    43 

    44 void WebNodeCollection::reset()

    45 {

    46     assign(0);

    47 }

    48 

    49 void WebNodeCollection::assign(const WebNodeCollection& other)

    50 {

    51     HTMLCollection* p = const_cast<HTMLCollection*>(other.m_private);

    52     if (p)

    53         p->ref();

    54     assign(p);

    55 }

    56 

    57 WebNodeCollection::WebNodeCollection(const PassRefPtr<HTMLCollection>& col)

    58     : m_private(static_cast<HTMLCollection*>(col.releaseRef()))

    59 {

    60 }

    61 

    62 void WebNodeCollection::assign(HTMLCollection* p)

    63 {

    64     // p is already ref'd for us by the caller

    65     if (m_private)

    66         m_private->deref();

    67     m_private = p;

    68 }

    69 

    70 unsigned WebNodeCollection::length() const

    71 {

    72     return m_private->length();

    73 }

    74 

    75 WebNode WebNodeCollection::nextItem() const

    76 {

    77     return WebNode(m_private->nextItem());

    78 }

    79 

    80 WebNode WebNodeCollection::firstItem() const

    81 {

    82     return WebNode(m_private->firstItem());

    83 }

    84 

    85 } // namespace WebKit