Home | History | Annotate | Download | only in dom 
      1 /*
      2  * Copyright (C) 2010 Apple 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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef DOMStringMap_h
     27 #define DOMStringMap_h
     28 
     29 #include "bindings/v8/ExceptionState.h"
     30 #include "bindings/v8/ScriptWrappable.h"
     31 #include "wtf/Noncopyable.h"
     32 #include "wtf/Vector.h"
     33 #include "wtf/text/WTFString.h"
     34 
     35 namespace WebCore {
     36 
     37 class Element;
     38 
     39 class DOMStringMap : public ScriptWrappable {
     40     WTF_MAKE_NONCOPYABLE(DOMStringMap); WTF_MAKE_FAST_ALLOCATED;
     41 public:
     42     virtual ~DOMStringMap();
     43 
     44     virtual void ref() = 0;
     45     virtual void deref() = 0;
     46 
     47     virtual void getNames(Vector<String>&) = 0;
     48     virtual String item(const String& name) = 0;
     49     virtual bool contains(const String& name) = 0;
     50     virtual void setItem(const String& name, const String& value, ExceptionState&) = 0;
     51     virtual void deleteItem(const String& name, ExceptionState&) = 0;
     52     bool anonymousNamedSetter(const String& name, const String& value, ExceptionState& es)
     53     {
     54         setItem(name, value, es);
     55         return true;
     56     }
     57     bool anonymousNamedDeleter(const AtomicString& name, ExceptionState&)
     58     {
     59         // FIXME: Remove ExceptionState parameter.
     60 
     61         TrackExceptionState es;
     62         deleteItem(name, es);
     63         bool result = !es.hadException();
     64         // DOMStringMap deleter should ignore exception.
     65         // Behavior of Firefox and Opera are same.
     66         // delete document.body.dataset["-foo"] // false instead of DOM Exception 12
     67         // LayoutTests/fast/dom/HTMLSelectElement/select-selectedIndex-multiple.html
     68         return result;
     69     }
     70     void namedPropertyEnumerator(Vector<String>& names, ExceptionState&)
     71     {
     72         getNames(names);
     73     }
     74     bool namedPropertyQuery(const AtomicString&, ExceptionState&);
     75 
     76     virtual Element* element() = 0;
     77 
     78 protected:
     79     DOMStringMap()
     80     {
     81         ScriptWrappable::init(this);
     82     }
     83 };
     84 
     85 } // namespace WebCore
     86 
     87 #endif // DOMStringMap_h
     88