v8::Handle<v8::Value> V8Clipboard::setDragImageCallback(const v8::Arguments& args)
{
INC_STATS("DOM.Clipboard.setDragImage()");
Clipboard* clipboard = V8Clipboard::toNative(args.Holder());
if (!clipboard->isForDragAndDrop())
return v8::Undefined();
if (args.Length() != 3)
return V8Proxy::throwError(V8Proxy::SyntaxError, "setDragImage: Invalid number of arguments", args.GetIsolate());
int x = toInt32(args[1]);
int y = toInt32(args[2]);
Node* node = 0;
if (V8Node::HasInstance(args[0]))
node = V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0]));
if (!node || !node->isElementNode())
return V8Proxy::throwTypeError("setDragImageFromElement: Invalid first argument", args.GetIsolate());
if (static_cast<Element*>(node)->hasLocalName(HTMLNames::imgTag) && !node->inDocument())
clipboard->setDragImage(static_cast<HTMLImageElement*>(node)->cachedImage(), IntPoint(x, y));
else
clipboard->setDragImageElement(node, IntPoint(x, y));
return v8::Undefined();
}
void V8Clipboard::setDragImageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
{
Clipboard* clipboard = V8Clipboard::toNative(args.Holder());
if (!clipboard->isForDragAndDrop())
return;
if (args.Length() != 3) {
throwError(v8SyntaxError, "setDragImage: Invalid number of arguments", args.GetIsolate());
return;
}
int x = toInt32(args[1]);
int y = toInt32(args[2]);
Node* node = 0;
if (V8Node::HasInstance(args[0], args.GetIsolate(), worldType(args.GetIsolate())))
node = V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0]));
if (!node || !node->isElementNode()) {
throwTypeError("setDragImageFromElement: Invalid first argument", args.GetIsolate());
return;
}
if (toElement(node)->hasTagName(HTMLNames::imgTag) && !node->inDocument())
clipboard->setDragImage(toHTMLImageElement(node)->cachedImage(), IntPoint(x, y));
else
clipboard->setDragImageElement(node, IntPoint(x, y));
}
JSValue JSClipboard::setDragImage(ExecState* exec)
{
Clipboard* clipboard = impl();
if (!clipboard->isForDragAndDrop())
return jsUndefined();
// FIXME: It does not match the rest of the JS bindings to throw on invalid number of arguments.
if (exec->argumentCount() != 3)
return throwError(exec, createSyntaxError(exec, "setDragImage: Invalid number of arguments"));
int x = exec->argument(1).toInt32(exec);
int y = exec->argument(2).toInt32(exec);
// See if they passed us a node
Node* node = toNode(exec->argument(0));
if (!node)
return throwTypeError(exec);
// FIXME: This should probably be a TypeError.
if (!node->isElementNode())
return throwError(exec, createSyntaxError(exec, "setDragImageFromElement: Invalid first argument"));
if (static_cast<Element*>(node)->hasLocalName(imgTag) && !node->inDocument())
clipboard->setDragImage(static_cast<HTMLImageElement*>(node)->cachedImage(), IntPoint(x, y));
else
clipboard->setDragImageElement(node, IntPoint(x, y));
return jsUndefined();
}