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* modification, are permitted provided that the following conditions are
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* notice, this list of conditions and the following disclaimer.
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* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "HTMLDocument.h"
#include "Frame.h"
#include "HTMLCollection.h"
#include "HTMLIFrameElement.h"
#include "HTMLNames.h"
#include "V8Binding.h"
#include "V8CustomBinding.h"
#include "V8Proxy.h"
#include <wtf/RefPtr.h>
#include <wtf/StdLibExtras.h>
namespace WebCore {
NAMED_PROPERTY_DELETER(HTMLDocument)
{
// 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() == kHTMLDocumentInternalFieldCount);
v8::Local<v8::Value> marker = info.Holder()->GetInternalField(kHTMLDocumentMarkerIndex);
info.Holder()->SetInternalField(kHTMLDocumentShadowIndex, marker);
return v8::True();
}
NAMED_PROPERTY_GETTER(HTMLDocument)
{
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() == kHTMLDocumentInternalFieldCount);
v8::Local<v8::Value> marker = info.Holder()->GetInternalField(kHTMLDocumentMarkerIndex);
v8::Local<v8::Value> value = info.Holder()->GetInternalField(kHTMLDocumentShadowIndex);
if (marker != value)
return value;
}
HTMLDocument* htmlDocument = V8DOMWrapper::convertDOMWrapperToNode<HTMLDocument>(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());
}
// 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;
}
CALLBACK_FUNC_DECL(HTMLDocumentWrite)
{
INC_STATS("DOM.HTMLDocument.write()");
HTMLDocument* htmlDocument = V8DOMWrapper::convertDOMWrapperToNode<HTMLDocument>(args.Holder());
Frame* frame = V8Proxy::retrieveFrameForCallingContext();
ASSERT(frame);
htmlDocument->write(writeHelperGetString(args), frame->document());
return v8::Undefined();
}
CALLBACK_FUNC_DECL(HTMLDocumentWriteln)
{
INC_STATS("DOM.HTMLDocument.writeln()");
HTMLDocument* htmlDocument = V8DOMWrapper::convertDOMWrapperToNode<HTMLDocument>(args.Holder());
Frame* frame = V8Proxy::retrieveFrameForCallingContext();
ASSERT(frame);
htmlDocument->writeln(writeHelperGetString(args), frame->document());
return v8::Undefined();
}
CALLBACK_FUNC_DECL(HTMLDocumentOpen)
{
INC_STATS("DOM.HTMLDocument.open()");
HTMLDocument* htmlDocument = V8DOMWrapper::convertDOMWrapperToNode<HTMLDocument>(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->document());
// Return the document.
return args.Holder();
}
ACCESSOR_GETTER(HTMLDocumentAll)
{
INC_STATS("DOM.HTMLDocument.all._get");
v8::HandleScope scope;
v8::Handle<v8::Object> holder = info.Holder();
HTMLDocument* htmlDocument = V8DOMWrapper::convertDOMWrapperToNode<HTMLDocument>(holder);
return V8DOMWrapper::convertToV8Object(V8ClassIndex::HTMLCOLLECTION, htmlDocument->all());
}
ACCESSOR_SETTER(HTMLDocumentAll)
{
INC_STATS("DOM.HTMLDocument.all._set");
v8::Handle<v8::Object> holder = info.Holder();
ASSERT(info.Holder()->InternalFieldCount() == kHTMLDocumentInternalFieldCount);
info.Holder()->SetInternalField(kHTMLDocumentShadowIndex, value);
}
} // namespace WebCore