static JSValuePtr showModalDialog(ExecState* exec, Frame* frame, const String& url, JSValuePtr dialogArgs, const String& featureArgs)
{
if (!canShowModalDialogNow(frame) || !allowPopUp(exec))
return jsUndefined();
const HashMap<String, String> features = parseModalDialogFeatures(featureArgs);
const bool trusted = false;
// The following features from Microsoft's documentation are not implemented:
// - default font settings
// - width, height, left, and top specified in units other than "px"
// - edge (sunken or raised, default is raised)
// - dialogHide: trusted && boolFeature(features, "dialoghide"), makes dialog hide when you print
// - help: boolFeature(features, "help", true), makes help icon appear in dialog (what does it do on Windows?)
// - unadorned: trusted && boolFeature(features, "unadorned");
if (!frame)
return jsUndefined();
FloatRect screenRect = screenAvailableRect(frame->view());
WindowFeatures wargs;
wargs.width = WindowFeatures::floatFeature(features, "dialogwidth", 100, screenRect.width(), 620); // default here came from frame size of dialog in MacIE
wargs.widthSet = true;
wargs.height = WindowFeatures::floatFeature(features, "dialogheight", 100, screenRect.height(), 450); // default here came from frame size of dialog in MacIE
wargs.heightSet = true;
wargs.x = WindowFeatures::floatFeature(features, "dialogleft", screenRect.x(), screenRect.right() - wargs.width, -1);
wargs.xSet = wargs.x > 0;
wargs.y = WindowFeatures::floatFeature(features, "dialogtop", screenRect.y(), screenRect.bottom() - wargs.height, -1);
wargs.ySet = wargs.y > 0;
if (WindowFeatures::boolFeature(features, "center", true)) {
if (!wargs.xSet) {
wargs.x = screenRect.x() + (screenRect.width() - wargs.width) / 2;
wargs.xSet = true;
}
if (!wargs.ySet) {
wargs.y = screenRect.y() + (screenRect.height() - wargs.height) / 2;
wargs.ySet = true;
}
}
wargs.dialog = true;
wargs.resizable = WindowFeatures::boolFeature(features, "resizable");
wargs.scrollbarsVisible = WindowFeatures::boolFeature(features, "scroll", true);
wargs.statusBarVisible = WindowFeatures::boolFeature(features, "status", !trusted);
wargs.menuBarVisible = false;
wargs.toolBarVisible = false;
wargs.locationBarVisible = false;
wargs.fullscreen = false;
Frame* dialogFrame = createWindow(exec, frame, url, "", wargs, dialogArgs);
if (!dialogFrame)
return jsUndefined();
JSDOMWindow* dialogWindow = toJSDOMWindow(dialogFrame);
// Get the return value either just before clearing the dialog window's
// properties (in JSDOMWindowBase::clear), or when on return from runModal.
JSValuePtr returnValue = noValue();
dialogWindow->setReturnValueSlot(&returnValue);
dialogFrame->page()->chrome()->runModal();
dialogWindow->setReturnValueSlot(0);
// If we don't have a return value, get it now.
// Either JSDOMWindowBase::clear was not called yet, or there was no return value,
// and in that case, there's no harm in trying again (no benefit either).
if (!returnValue)
returnValue = dialogWindow->getDirect(Identifier(exec, "returnValue"));
return returnValue ? returnValue : jsUndefined();
}
