Mozilla/mozilla/embedding/components/windowwatcher/src/nsAutoWindowStateHelper.cpp
gavin%gavinsharp.com 745560d735 Bug 393707: Landing 389634 broke building without XUL, patch by romaxa <romaxa@gmail.com>, r=smaug, a=beltzner
git-svn-id: svn://10.0.0.236/trunk@250172 18797224-902f-48f8-a5cc-f745e15eee43
2008-04-14 00:53:21 +00:00

115 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
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*
* Software distributed under the License is distributed on an "AS IS" basis,
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* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
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* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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#include "nsAutoWindowStateHelper.h"
#include "nsIDOMWindow.h"
#include "nsPIDOMWindow.h"
#include "nsIDOMEventTarget.h"
#include "nsIDOMEvent.h"
#include "nsIPrivateDOMEvent.h"
#include "nsIDOMDocumentEvent.h"
#include "nsString.h"
/****************************************************************
****************** nsAutoWindowStateHelper *********************
****************************************************************/
nsAutoWindowStateHelper::nsAutoWindowStateHelper(nsIDOMWindow *aWindow)
: mWindow(aWindow),
mDefaultEnabled(DispatchCustomEvent("DOMWillOpenModalDialog"))
{
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(aWindow));
if (window) {
window->EnterModalState();
}
}
nsAutoWindowStateHelper::~nsAutoWindowStateHelper()
{
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(mWindow));
if (window) {
window->LeaveModalState();
}
if (mDefaultEnabled) {
DispatchCustomEvent("DOMModalDialogClosed");
}
}
PRBool
nsAutoWindowStateHelper::DispatchCustomEvent(const char *aEventName)
{
if (!mWindow) {
return PR_TRUE;
}
#ifdef DEBUG
{
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(mWindow));
}
#endif
nsCOMPtr<nsIDOMDocument> domdoc;
mWindow->GetDocument(getter_AddRefs(domdoc));
nsCOMPtr<nsIDOMDocumentEvent> docevent(do_QueryInterface(domdoc));
nsCOMPtr<nsIDOMEvent> event;
PRBool defaultActionEnabled = PR_TRUE;
if (docevent) {
docevent->CreateEvent(NS_LITERAL_STRING("Events"), getter_AddRefs(event));
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(event));
if (privateEvent) {
event->InitEvent(NS_ConvertASCIItoUTF16(aEventName), PR_TRUE, PR_TRUE);
privateEvent->SetTrusted(PR_TRUE);
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(mWindow));
target->DispatchEvent(event, &defaultActionEnabled);
}
}
return defaultActionEnabled;
}