third_party/WebKit/public/web/WebNodeList.h

   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 WebNodeList_h
  32 #define WebNodeList_h
  33
  34 #include "public/platform/WebCommon.h"
  35 #include "public/platform/WebPrivatePtr.h"
  36
  37 #if BLINK_IMPLEMENTATION
  38 #include "platform/heap/Handle.h"
  39 namespace WTF { template <typename T> class PassRefPtr; }
  40 #endif
  41
  42 namespace blink {
  43
  44 class NodeList;
  45 class WebNode;
  46
  47 // Provides readonly access to some properties of a DOM node.
  48 class WebNodeList {
  49 public:
  50     ~WebNodeList() { reset(); }
  51
  52     WebNodeList() { }
  53     WebNodeList(const WebNodeList& n) { assign(n); }
  54     WebNodeList& operator=(const WebNodeList& n)
  55     {
  56         assign(n);
  57         return *this;
  58     }
  59
  60     BLINK_EXPORT void reset();
  61     BLINK_EXPORT void assign(const WebNodeList&);
  62
  63     BLINK_EXPORT unsigned length() const;
  64     BLINK_EXPORT WebNode item(size_t) const;
  65
  66 #if BLINK_IMPLEMENTATION
  67     WebNodeList(const PassRefPtrWillBeRawPtr<NodeList>&);
  68     WebNodeList& operator=(const PassRefPtrWillBeRawPtr<NodeList>&);
  69 #endif
  70
  71 private:
  72     WebPrivatePtr<NodeList> m_private;
  73 };
  74
  75 } // namespace blink
  76
  77 #endif