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 #ifndef WebNodeCollection_h

    32 #define WebNodeCollection_h

    33 

    34 #include "WebCommon.h"

    35 

    36 namespace WebCore { class HTMLCollection; }

    37 #if WEBKIT_IMPLEMENTATION

    38 namespace WTF { template <typename T> class PassRefPtr; }

    39 #endif

    40 

    41 namespace WebKit {

    42 class WebNode;

    43 

    44 // Provides readonly access to some properties of a DOM node.

    45 class WebNodeCollection {

    46 public:

    47     ~WebNodeCollection() { reset(); }

    48 

    49     WebNodeCollection() : m_private(0) { }

    50     WebNodeCollection(const WebNodeCollection& n) : m_private(0) { assign(n); }

    51     WebNodeCollection& operator=(const WebNodeCollection& n)

    52     {

    53         assign(n);

    54         return *this;

    55     }

    56 

    57     WEBKIT_API void reset();

    58     WEBKIT_API void assign(const WebNodeCollection&);

    59 

    60     WEBKIT_API unsigned length() const;

    61     WEBKIT_API WebNode nextItem() const;

    62     WEBKIT_API WebNode firstItem() const;

    63 

    64 #if WEBKIT_IMPLEMENTATION

    65     WebNodeCollection(const WTF::PassRefPtr<WebCore::HTMLCollection>&);

    66 #endif

    67 

    68 private:

    69     void assign(WebCore::HTMLCollection*);

    70     WebCore::HTMLCollection* m_private;

    71 };

    72 

    73 } // namespace WebKit

    74 

    75 #endif