src/third_party/WebKit/Source/bindings/v8/custom/V8NodeCustom.cpp

   1 /*
   2  * Copyright (C) 2007-2009 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
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  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  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 "bindings/core/v8/V8Node.h"
  33
  34 #include "bindings/core/v8/V8Attr.h"
  35 #include "bindings/core/v8/V8CDATASection.h"
  36 #include "bindings/core/v8/V8Comment.h"
  37 #include "bindings/core/v8/V8Document.h"
  38 #include "bindings/core/v8/V8DocumentFragment.h"
  39 #include "bindings/core/v8/V8DocumentType.h"
  40 #include "bindings/core/v8/V8Element.h"
  41 #include "bindings/core/v8/V8HTMLElement.h"
  42 #include "bindings/core/v8/V8Notation.h"
  43 #include "bindings/core/v8/V8ProcessingInstruction.h"
  44 #include "bindings/core/v8/V8SVGElement.h"
  45 #include "bindings/core/v8/V8ShadowRoot.h"
  46 #include "bindings/core/v8/V8Text.h"
  47 #include "bindings/v8/ExceptionState.h"
  48 #include "bindings/v8/V8AbstractEventListener.h"
  49 #include "bindings/v8/V8Binding.h"
  50 #include "bindings/v8/V8EventListener.h"
  51 #include "core/dom/Document.h"
  52 #include "core/dom/custom/CustomElementCallbackDispatcher.h"
  53 #include "core/events/EventListener.h"
  54 #include "core/dom/shadow/ShadowRoot.h"
  55 #include "wtf/RefPtr.h"
  56
  57 namespace WebCore {
  58
  59 // These functions are custom to prevent a wrapper lookup of the return value which is always
  60 // part of the arguments.
  61 void V8Node::insertBeforeMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  62 {
  63     v8::Handle<v8::Object> holder = info.Holder();
  64     Node* impl = V8Node::toNative(holder);
  65
  66     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
  67
  68     ExceptionState exceptionState(ExceptionState::ExecutionContext, "insertBefore", "Node", info.Holder(), info.GetIsolate());
  69     Node* newChild = V8Node::toNativeWithTypeCheck(info.GetIsolate(), info[0]);
  70     Node* refChild = V8Node::toNativeWithTypeCheck(info.GetIsolate(), info[1]);
  71     impl->insertBefore(newChild, refChild, exceptionState);
  72     if (exceptionState.throwIfNeeded())
  73         return;
  74     v8SetReturnValue(info, info[0]);
  75 }
  76
  77 void V8Node::replaceChildMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  78 {
  79     v8::Handle<v8::Object> holder = info.Holder();
  80     Node* impl = V8Node::toNative(holder);
  81
  82     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
  83
  84     ExceptionState exceptionState(ExceptionState::ExecutionContext, "replaceChild", "Node", info.Holder(), info.GetIsolate());
  85     Node* newChild = V8Node::toNativeWithTypeCheck(info.GetIsolate(), info[0]);
  86     Node* oldChild = V8Node::toNativeWithTypeCheck(info.GetIsolate(), info[1]);
  87     impl->replaceChild(newChild, oldChild, exceptionState);
  88     if (exceptionState.throwIfNeeded())
  89         return;
  90     v8SetReturnValue(info, info[1]);
  91 }
  92
  93 void V8Node::removeChildMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  94 {
  95     v8::Handle<v8::Object> holder = info.Holder();
  96     Node* impl = V8Node::toNative(holder);
  97
  98     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
  99
 100     ExceptionState exceptionState(ExceptionState::ExecutionContext, "removeChild", "Node", info.Holder(), info.GetIsolate());
 101     Node* oldChild = V8Node::toNativeWithTypeCheck(info.GetIsolate(), info[0]);
 102     impl->removeChild(oldChild, exceptionState);
 103     if (exceptionState.throwIfNeeded())
 104         return;
 105     v8SetReturnValue(info, info[0]);
 106 }
 107
 108 void V8Node::appendChildMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 109 {
 110     v8::Handle<v8::Object> holder = info.Holder();
 111     Node* impl = V8Node::toNative(holder);
 112
 113     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
 114
 115     ExceptionState exceptionState(ExceptionState::ExecutionContext, "appendChild", "Node", info.Holder(), info.GetIsolate());
 116     Node* newChild = V8Node::toNativeWithTypeCheck(info.GetIsolate(), info[0]);
 117     impl->appendChild(newChild, exceptionState);
 118     if (exceptionState.throwIfNeeded())
 119         return;
 120     v8SetReturnValue(info, info[0]);
 121 }
 122
 123 v8::Handle<v8::Object> wrap(Node* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 124 {
 125     ASSERT(impl);
 126     switch (impl->nodeType()) {
 127     case Node::ELEMENT_NODE:
 128         // For performance reasons, this is inlined from V8Element::wrap and must remain in sync.
 129         if (impl->isHTMLElement())
 130             return wrap(toHTMLElement(impl), creationContext, isolate);
 131         if (impl->isSVGElement())
 132             return wrap(toSVGElement(impl), creationContext, isolate);
 133         return V8Element::createWrapper(toElement(impl), creationContext, isolate);
 134     case Node::ATTRIBUTE_NODE:
 135         return wrap(toAttr(impl), creationContext, isolate);
 136     case Node::TEXT_NODE:
 137         return wrap(toText(impl), creationContext, isolate);
 138     case Node::CDATA_SECTION_NODE:
 139         return wrap(toCDATASection(impl), creationContext, isolate);
 140     case Node::PROCESSING_INSTRUCTION_NODE:
 141         return wrap(toProcessingInstruction(impl), creationContext, isolate);
 142     case Node::COMMENT_NODE:
 143         return wrap(toComment(impl), creationContext, isolate);
 144     case Node::DOCUMENT_NODE:
 145         return wrap(toDocument(impl), creationContext, isolate);
 146     case Node::DOCUMENT_TYPE_NODE:
 147         return wrap(toDocumentType(impl), creationContext, isolate);
 148     case Node::DOCUMENT_FRAGMENT_NODE:
 149         if (impl->isShadowRoot())
 150             return wrap(toShadowRoot(impl), creationContext, isolate);
 151         return wrap(toDocumentFragment(impl), creationContext, isolate);
 152     }
 153     ASSERT_NOT_REACHED();
 154     return V8Node::createWrapper(impl, creationContext, isolate);
 155 }
 156 } // namespace WebCore