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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsAutoWindowStateHelper.h"
#include "mozilla/dom/Event.h"
#include "nsIDocument.h"
#include "nsIDOMEvent.h"
#include "nsIDOMWindow.h"
#include "nsPIDOMWindow.h"
#include "nsString.h"
using namespace mozilla;
using namespace mozilla::dom;
/****************************************************************
****************** nsAutoWindowStateHelper *********************
****************************************************************/
nsAutoWindowStateHelper::nsAutoWindowStateHelper(nsPIDOMWindowOuter* aWindow)
: mWindow(aWindow)
, mDefaultEnabled(DispatchEventToChrome("DOMWillOpenModalDialog"))
{
if (mWindow) {
mWindow->EnterModalState();
}
}
nsAutoWindowStateHelper::~nsAutoWindowStateHelper()
{
if (mWindow) {
mWindow->LeaveModalState();
}
if (mDefaultEnabled) {
DispatchEventToChrome("DOMModalDialogClosed");
}
}
bool
nsAutoWindowStateHelper::DispatchEventToChrome(const char* aEventName)
{
// XXXbz should we skip dispatching the event if the inner changed?
// That is, should we store both the inner and the outer?
if (!mWindow) {
return true;
}
// The functions of nsContentUtils do not provide the required behavior,
// so the following is inlined.
nsIDocument* doc = mWindow->GetExtantDoc();
if (!doc) {
return true;
}
ErrorResult rv;
RefPtr<Event> event = doc->CreateEvent(NS_LITERAL_STRING("Events"), rv);
if (rv.Failed()) {
rv.SuppressException();
return false;
}
event->InitEvent(NS_ConvertASCIItoUTF16(aEventName), true, true);
event->SetTrusted(true);
event->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
nsCOMPtr<EventTarget> target = do_QueryInterface(mWindow);
bool defaultActionEnabled;
target->DispatchEvent(event, &defaultActionEnabled);
return defaultActionEnabled;
}
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