src/third_party/WebKit/Source/bindings/v8/custom/V8HTMLOptionsCollectionCustom.cpp

   1 /*
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   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
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  29  */
  30
  31 #include "config.h"
  32 #include "bindings/core/v8/V8HTMLOptionsCollection.h"
  33
  34 #include "bindings/core/v8/V8HTMLOptionElement.h"
  35 #include "bindings/core/v8/V8Node.h"
  36 #include "bindings/core/v8/V8NodeList.h"
  37 #include "bindings/v8/ExceptionState.h"
  38 #include "bindings/v8/V8Binding.h"
  39 #include "core/dom/ExceptionCode.h"
  40 #include "core/dom/NamedNodesCollection.h"
  41 #include "core/html/HTMLOptionElement.h"
  42 #include "core/html/HTMLOptionsCollection.h"
  43 #include "core/html/HTMLSelectElement.h"
  44
  45 namespace WebCore {
  46
  47 void V8HTMLOptionsCollection::addMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  48 {
  49     ExceptionState exceptionState(ExceptionState::ExecutionContext, "add", "HTMLOptionsCollection", info.Holder(), info.GetIsolate());
  50     if (!V8HTMLOptionElement::hasInstance(info[0], info.GetIsolate())) {
  51         exceptionState.throwTypeError("The element provided was not an HTMLOptionElement.");
  52     } else {
  53         HTMLOptionsCollection* impl = V8HTMLOptionsCollection::toNative(info.Holder());
  54         HTMLOptionElement* option = V8HTMLOptionElement::toNative(v8::Handle<v8::Object>(v8::Handle<v8::Object>::Cast(info[0])));
  55
  56         if (info.Length() < 2) {
  57             impl->add(option, exceptionState);
  58         } else {
  59             int index = toInt32(info[1], exceptionState);
  60             if (exceptionState.throwIfNeeded())
  61                 return;
  62
  63             impl->add(option, index, exceptionState);
  64         }
  65     }
  66
  67     exceptionState.throwIfNeeded();
  68 }
  69
  70 void V8HTMLOptionsCollection::lengthAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
  71 {
  72     HTMLOptionsCollection* impl = V8HTMLOptionsCollection::toNative(info.Holder());
  73     double v = value->NumberValue();
  74     unsigned newLength = 0;
  75     ExceptionState exceptionState(ExceptionState::SetterContext, "length", "HTMLOptionsCollection", info.Holder(), info.GetIsolate());
  76     if (!std::isnan(v) && !std::isinf(v)) {
  77         if (v < 0.0)
  78             exceptionState.throwDOMException(IndexSizeError, "The value provided (" + String::number(v) + ") is negative. Lengths must be greater than or equal to 0.");
  79         else if (v > static_cast<double>(UINT_MAX))
  80             newLength = UINT_MAX;
  81         else
  82             newLength = static_cast<unsigned>(v);
  83     }
  84
  85     if (exceptionState.throwIfNeeded())
  86         return;
  87
  88     impl->setLength(newLength, exceptionState);
  89 }
  90
  91 } // namespace WebCore