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/*
* Copyright (C) 2007, 2008, 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "V8HTMLDocument.h"
#include "Frame.h"
#include "HTMLAllCollection.h"
#include "HTMLDocument.h"
#include "HTMLCollection.h"
#include "HTMLIFrameElement.h"
#include "HTMLNames.h"
#include "V8Binding.h"
#include "V8Proxy.h"
#include <wtf/RefPtr.h>
#include <wtf/StdLibExtras.h>
namespace WebCore {
v8::Handle<v8::Boolean> V8HTMLDocument::namedPropertyDeleter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
// Only handle document.all. Insert the marker object into the
// shadow internal field to signal that document.all is no longer
// shadowed.
AtomicString key = v8StringToAtomicWebCoreString(name);
DEFINE_STATIC_LOCAL(const AtomicString, all, ("all"));
if (key != all)
return deletionNotHandledByInterceptor();
ASSERT(info.Holder()->InternalFieldCount() == V8HTMLDocument::internalFieldCount);
v8::Local<v8::Value> marker = info.Holder()->GetInternalField(V8HTMLDocument::markerIndex);
info.Holder()->SetInternalField(V8HTMLDocument::shadowIndex, marker);
return v8::True();
}
v8::Handle<v8::Value> V8HTMLDocument::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
INC_STATS("DOM.HTMLDocument.NamedPropertyGetter");
AtomicString key = v8StringToAtomicWebCoreString(name);
// Special case for document.all. If the value in the shadow
// internal field is not the marker object, then document.all has
// been temporarily shadowed and we return the value.
DEFINE_STATIC_LOCAL(const AtomicString, all, ("all"));
if (key == all) {
ASSERT(info.Holder()->InternalFieldCount() == V8HTMLDocument::internalFieldCount);
v8::Local<v8::Value> marker = info.Holder()->GetInternalField(V8HTMLDocument::markerIndex);
v8::Local<v8::Value> value = info.Holder()->GetInternalField(V8HTMLDocument::shadowIndex);
if (marker != value)
return value;
}
HTMLDocument* htmlDocument = V8HTMLDocument::toNative(info.Holder());
// Fast case for named elements that are not there.
if (!htmlDocument->hasNamedItem(key.impl()) && !htmlDocument->hasExtraNamedItem(key.impl()))
return v8::Handle<v8::Value>();
RefPtr<HTMLCollection> items = htmlDocument->documentNamedItems(key);
if (!items->length())
return notHandledByInterceptor();
if (items->length() == 1) {
Node* node = items->firstItem();
Frame* frame = 0;
if (node->hasTagName(HTMLNames::iframeTag) && (frame = static_cast<HTMLIFrameElement*>(node)->contentFrame()))
return V8DOMWrapper::convertToV8Object(V8ClassIndex::DOMWINDOW, frame->domWindow());
return V8DOMWrapper::convertNodeToV8Object(node);
}
return V8DOMWrapper::convertToV8Object(V8ClassIndex::HTMLCOLLECTION, items.release());
}
v8::Handle<v8::Value> V8HTMLDocument::indexedPropertyGetter(uint32_t index, const v8::AccessorInfo &info)
{
INC_STATS("DOM.HTMLDocument.IndexedPropertyGetter");
v8::Local<v8::Integer> indexV8 = v8::Integer::NewFromUnsigned(index);
return namedPropertyGetter(indexV8->ToString(), info);
}
// HTMLDocument ----------------------------------------------------------------
// Concatenates "args" to a string. If args is empty, returns empty string.
// Firefox/Safari/IE support non-standard arguments to document.write, ex:
// document.write("a", "b", "c") --> document.write("abc")
// document.write() --> document.write("")
static String writeHelperGetString(const v8::Arguments& args)
{
String str = "";
for (int i = 0; i < args.Length(); ++i)
str += toWebCoreString(args[i]);
return str;
}
v8::Handle<v8::Value> V8HTMLDocument::writeCallback(const v8::Arguments& args)
{
INC_STATS("DOM.HTMLDocument.write()");
HTMLDocument* htmlDocument = V8HTMLDocument::toNative(args.Holder());
Frame* frame = V8Proxy::retrieveFrameForCallingContext();
htmlDocument->write(writeHelperGetString(args), frame ? frame->document() : NULL);
return v8::Undefined();
}
v8::Handle<v8::Value> V8HTMLDocument::writelnCallback(const v8::Arguments& args)
{
INC_STATS("DOM.HTMLDocument.writeln()");
HTMLDocument* htmlDocument = V8HTMLDocument::toNative(args.Holder());
Frame* frame = V8Proxy::retrieveFrameForCallingContext();
htmlDocument->writeln(writeHelperGetString(args), frame ? frame->document() : NULL);
return v8::Undefined();
}
v8::Handle<v8::Value> V8HTMLDocument::openCallback(const v8::Arguments& args)
{
INC_STATS("DOM.HTMLDocument.open()");
HTMLDocument* htmlDocument = V8HTMLDocument::toNative(args.Holder());
if (args.Length() > 2) {
if (Frame* frame = htmlDocument->frame()) {
// Fetch the global object for the frame.
v8::Local<v8::Context> context = V8Proxy::context(frame);
// Bail out if we cannot get the context.
if (context.IsEmpty())
return v8::Undefined();
v8::Local<v8::Object> global = context->Global();
// Get the open property of the global object.
v8::Local<v8::Value> function = global->Get(v8::String::New("open"));
// If the open property is not a function throw a type error.
if (!function->IsFunction()) {
throwError("open is not a function");
return v8::Undefined();
}
// Wrap up the arguments and call the function.
v8::Local<v8::Value>* params = new v8::Local<v8::Value>[args.Length()];
for (int i = 0; i < args.Length(); i++)
params[i] = args[i];
V8Proxy* proxy = V8Proxy::retrieve(frame);
ASSERT(proxy);
v8::Local<v8::Value> result = proxy->callFunction(v8::Local<v8::Function>::Cast(function), global, args.Length(), params);
delete[] params;
return result;
}
}
Frame* frame = V8Proxy::retrieveFrameForCallingContext();
htmlDocument->open(frame ? frame->document() : NULL);
// Return the document.
return args.Holder();
}
v8::Handle<v8::Value> V8HTMLDocument::allAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
INC_STATS("DOM.HTMLDocument.all._get");
v8::HandleScope scope;
v8::Handle<v8::Object> holder = info.Holder();
HTMLDocument* htmlDocument = V8HTMLDocument::toNative(holder);
return V8DOMWrapper::convertToV8Object(V8ClassIndex::HTMLCOLLECTION, htmlDocument->all());
}
void V8HTMLDocument::allAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
{
INC_STATS("DOM.HTMLDocument.all._set");
v8::Handle<v8::Object> holder = info.Holder();
ASSERT(info.Holder()->InternalFieldCount() == V8HTMLDocument::internalFieldCount);
info.Holder()->SetInternalField(V8HTMLDocument::shadowIndex, value);
}
} // namespace WebCore
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