Home | History | Annotate | Download | only in custom
      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
     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 #include "config.h"
     32 #include "Node.h"
     33 
     34 #include "Document.h"
     35 #include "EventListener.h"
     36 
     37 #include "V8AbstractEventListener.h"
     38 #include "V8Attr.h"
     39 #include "V8Binding.h"
     40 #include "V8BindingState.h"
     41 #include "V8CDATASection.h"
     42 #include "V8Comment.h"
     43 #include "V8Document.h"
     44 #include "V8DocumentFragment.h"
     45 #include "V8DocumentType.h"
     46 #include "V8Element.h"
     47 #include "V8Entity.h"
     48 #include "V8EntityReference.h"
     49 #include "V8EventListener.h"
     50 #include "V8Node.h"
     51 #include "V8Notation.h"
     52 #include "V8ProcessingInstruction.h"
     53 #include "V8Proxy.h"
     54 #include "V8Text.h"
     55 
     56 #include <wtf/RefPtr.h>
     57 
     58 namespace WebCore {
     59 
     60 // This function is customized to take advantage of the optional 4th argument: shouldLazyAttach
     61 v8::Handle<v8::Value> V8Node::insertBeforeCallback(const v8::Arguments& args)
     62 {
     63     INC_STATS("DOM.Node.insertBefore");
     64     v8::Handle<v8::Object> holder = args.Holder();
     65     Node* imp = V8Node::toNative(holder);
     66     ExceptionCode ec = 0;
     67     Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
     68     Node* refChild = V8Node::HasInstance(args[1]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[1])) : 0;
     69     bool success = imp->insertBefore(newChild, refChild, ec, true);
     70     if (ec) {
     71         V8Proxy::setDOMException(ec);
     72         return v8::Handle<v8::Value>();
     73     }
     74     if (success)
     75         return args[0];
     76     return v8::Null();
     77 }
     78 
     79 // This function is customized to take advantage of the optional 4th argument: shouldLazyAttach
     80 v8::Handle<v8::Value> V8Node::replaceChildCallback(const v8::Arguments& args)
     81 {
     82     INC_STATS("DOM.Node.replaceChild");
     83     v8::Handle<v8::Object> holder = args.Holder();
     84     Node* imp = V8Node::toNative(holder);
     85     ExceptionCode ec = 0;
     86     Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
     87     Node* oldChild = V8Node::HasInstance(args[1]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[1])) : 0;
     88     bool success = imp->replaceChild(newChild, oldChild, ec, true);
     89     if (ec) {
     90         V8Proxy::setDOMException(ec);
     91         return v8::Handle<v8::Value>();
     92     }
     93     if (success)
     94         return args[1];
     95     return v8::Null();
     96 }
     97 
     98 v8::Handle<v8::Value> V8Node::removeChildCallback(const v8::Arguments& args)
     99 {
    100     INC_STATS("DOM.Node.removeChild");
    101     v8::Handle<v8::Object> holder = args.Holder();
    102     Node* imp = V8Node::toNative(holder);
    103     ExceptionCode ec = 0;
    104     Node* oldChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
    105     bool success = imp->removeChild(oldChild, ec);
    106     if (ec) {
    107         V8Proxy::setDOMException(ec);
    108         return v8::Handle<v8::Value>();
    109     }
    110     if (success)
    111         return args[0];
    112     return v8::Null();
    113 }
    114 
    115 // This function is customized to take advantage of the optional 4th argument: shouldLazyAttach
    116 v8::Handle<v8::Value> V8Node::appendChildCallback(const v8::Arguments& args)
    117 {
    118     INC_STATS("DOM.Node.appendChild");
    119     v8::Handle<v8::Object> holder = args.Holder();
    120     Node* imp = V8Node::toNative(holder);
    121     ExceptionCode ec = 0;
    122     Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
    123     bool success = imp->appendChild(newChild, ec, true );
    124     if (ec) {
    125         V8Proxy::setDOMException(ec);
    126         return v8::Handle<v8::Value>();
    127     }
    128     if (success)
    129         return args[0];
    130     return v8::Null();
    131 }
    132 
    133 v8::Handle<v8::Value> toV8Slow(Node* impl, bool forceNewObject)
    134 {
    135     if (!impl)
    136         return v8::Null();
    137 
    138     if (!forceNewObject) {
    139         v8::Handle<v8::Value> wrapper = V8DOMWrapper::getWrapper(impl);
    140         if (!wrapper.IsEmpty())
    141             return wrapper;
    142     }
    143     switch (impl->nodeType()) {
    144     case Node::ELEMENT_NODE:
    145         return toV8(static_cast<Element*>(impl), forceNewObject);
    146     case Node::ATTRIBUTE_NODE:
    147         return toV8(static_cast<Attr*>(impl), forceNewObject);
    148     case Node::TEXT_NODE:
    149         return toV8(static_cast<Text*>(impl), forceNewObject);
    150     case Node::CDATA_SECTION_NODE:
    151         return toV8(static_cast<CDATASection*>(impl), forceNewObject);
    152     case Node::ENTITY_REFERENCE_NODE:
    153         return toV8(static_cast<EntityReference*>(impl), forceNewObject);
    154     case Node::ENTITY_NODE:
    155         return toV8(static_cast<Entity*>(impl), forceNewObject);
    156     case Node::PROCESSING_INSTRUCTION_NODE:
    157         return toV8(static_cast<ProcessingInstruction*>(impl), forceNewObject);
    158     case Node::COMMENT_NODE:
    159         return toV8(static_cast<Comment*>(impl), forceNewObject);
    160     case Node::DOCUMENT_NODE:
    161         return toV8(static_cast<Document*>(impl), forceNewObject);
    162     case Node::DOCUMENT_TYPE_NODE:
    163         return toV8(static_cast<DocumentType*>(impl), forceNewObject);
    164     case Node::DOCUMENT_FRAGMENT_NODE:
    165         return toV8(static_cast<DocumentFragment*>(impl), forceNewObject);
    166     case Node::NOTATION_NODE:
    167         return toV8(static_cast<Notation*>(impl), forceNewObject);
    168     default: break; // XPATH_NAMESPACE_NODE
    169     }
    170     return V8Node::wrap(impl, forceNewObject);
    171 }
    172 } // namespace WebCore
    173