gecko-dev/xpfe/components/intl/nsFontPackageHandler.cpp
2006-02-03 14:18:39 +00:00

169 lines
6.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* 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
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Roy Yokoyama <yokoyama@netscape.com>
* Simon Montagu <smontagu@netscape.com>
* Seth Spitzer <sspitzer@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsIServiceManager.h"
#include "nsIDOMWindow.h"
#include "nsIFontPackageService.h"
#include "nsIFontPackageHandler.h"
#include "nsILocale.h"
#include "nsIWindowWatcher.h"
#include "nsReadableUtils.h"
#include "nsFontPackageHandler.h"
#include "nsIDOMDocument.h"
#include "nsIDOMElement.h"
#include "nsIWindowMediator.h"
#include "nsISupportsPrimitives.h"
#include "nsIStringBundle.h"
#include "nsUnicharUtils.h"
//==============================================================================
/* Implementation file */
NS_IMPL_THREADSAFE_ISUPPORTS1(nsFontPackageHandler, nsIFontPackageHandler)
nsFontPackageHandler::nsFontPackageHandler()
{
}
nsFontPackageHandler::~nsFontPackageHandler()
{
}
/* void NeedFontPackage (in string aFontPackID); */
NS_IMETHODIMP nsFontPackageHandler::NeedFontPackage(const char *aFontPackID)
{
// no FontPackage is passed, return
NS_ENSURE_ARG_POINTER(aFontPackID);
if (!strlen(aFontPackID))
return NS_ERROR_UNEXPECTED;
nsresult rv;
nsCOMPtr <nsIStringBundleService> bundleService = do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv,rv);
nsCOMPtr <nsIStringBundle> bundle;
rv = bundleService->CreateBundle("chrome://global/locale/fontpackage.properties", getter_AddRefs(bundle));
NS_ENSURE_SUCCESS(rv,rv);
nsXPIDLString handledLanguages;
rv = bundle->GetStringFromName(NS_LITERAL_STRING("handled_languages").get(), getter_Copies(handledLanguages));
NS_ENSURE_SUCCESS(rv, rv);
// aFontPackID is of the form lang:xx or lang:xx-YY
const char *colonPos = strchr(aFontPackID,':');
if (!colonPos || !*(colonPos + 1))
return NS_ERROR_UNEXPECTED;
// turn (const char *)xx-YY into (PRUnichar *)xx-yy
nsAutoString langCode;
CopyASCIItoUTF16(nsDependentCString(colonPos + 1), langCode);
ToLowerCase(langCode);
// check for xx or xx-yy in handled_languages
// if not handled, return now, don't show the font dialog
if (!FindInReadable(langCode, handledLanguages))
return NS_OK; // XXX should be error?
// check whether the topmost window is a mailnews window. If it is,
// or if any of the calls fail, return NS_ERROR_ABORT
nsCOMPtr<nsIWindowMediator> windowMediator = do_GetService(NS_WINDOWMEDIATOR_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
nsCOMPtr<nsISimpleEnumerator> windowEnum;
rv = windowMediator->GetZOrderDOMWindowEnumerator(nsnull, PR_TRUE, getter_AddRefs(windowEnum));
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
nsCOMPtr<nsISupports> windowSupports;
nsCOMPtr<nsIDOMWindow> topMostWindow;
nsCOMPtr<nsIDOMDocument> domDocument;
nsCOMPtr<nsIDOMElement> domElement;
nsAutoString windowType;
PRBool more;
windowEnum->HasMoreElements(&more);
if (more) {
rv = windowEnum->GetNext(getter_AddRefs(windowSupports));
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
NS_ENSURE_TRUE(windowSupports, NS_ERROR_ABORT);
topMostWindow = do_QueryInterface(windowSupports, &rv);
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
NS_ENSURE_TRUE(topMostWindow, NS_ERROR_ABORT);
rv = topMostWindow->GetDocument(getter_AddRefs(domDocument));
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
NS_ENSURE_TRUE(domDocument, NS_ERROR_ABORT);
rv = domDocument->GetDocumentElement(getter_AddRefs(domElement));
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
NS_ENSURE_TRUE(domElement, NS_ERROR_ABORT);
rv = domElement->GetAttribute(NS_LITERAL_STRING("windowtype"), windowType);
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
if (windowType.EqualsLiteral("mail:3pane") ||
windowType.EqualsLiteral("mail:messageWindow")) {
return NS_ERROR_ABORT;
}
}
nsCOMPtr<nsIWindowWatcher> windowWatch = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv,rv);
nsCOMPtr<nsISupportsString> langID = do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv,rv);
langID->SetData(langCode);
nsCOMPtr<nsIDOMWindow> dialog;
rv = windowWatch->OpenWindow(nsnull, "chrome://global/content/fontpackage.xul",
"_blank",
"chrome,centerscreen,titlebar,resizeable=no", // XXX should this be modal?
langID,
getter_AddRefs(dialog));
nsCOMPtr<nsIFontPackageService> fontService(do_GetService(NS_FONTPACKAGESERVICE_CONTRACTID));
NS_ENSURE_TRUE(fontService, NS_ERROR_FAILURE);
fontService->FontPackageHandled(NS_SUCCEEDED(rv), PR_FALSE, aFontPackID);
return rv;
}