mirror of
https://github.com/mozilla/gecko-dev.git
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145 lines
4.8 KiB
C++
145 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsPopupWindowManager.h"
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#include "nsCRT.h"
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#include "nsIServiceManager.h"
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#include "nsIPrefService.h"
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#include "nsIPrefBranch.h"
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#include "nsIPrefBranch2.h"
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/**
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* The Popup Window Manager maintains popup window permissions by website.
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*/
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static const char kPopupDisablePref[] = "dom.disable_open_during_load";
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//*****************************************************************************
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//*** nsPopupWindowManager object management and nsISupports
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//*****************************************************************************
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nsPopupWindowManager::nsPopupWindowManager() :
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mPolicy(ALLOW_POPUP)
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{
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}
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nsPopupWindowManager::~nsPopupWindowManager()
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{
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}
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NS_IMPL_ISUPPORTS3(nsPopupWindowManager,
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nsIPopupWindowManager,
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nsIObserver,
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nsSupportsWeakReference)
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nsresult
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nsPopupWindowManager::Init()
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{
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nsresult rv;
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mPermissionManager = do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
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nsCOMPtr<nsIPrefBranch2> prefBranch =
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do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
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if (NS_SUCCEEDED(rv)) {
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PRBool permission;
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rv = prefBranch->GetBoolPref(kPopupDisablePref, &permission);
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if (NS_FAILED(rv)) {
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permission = PR_TRUE;
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}
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mPolicy = permission ? (PRUint32) DENY_POPUP : (PRUint32) ALLOW_POPUP;
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prefBranch->AddObserver(kPopupDisablePref, this, PR_TRUE);
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}
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return NS_OK;
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}
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//*****************************************************************************
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//*** nsPopupWindowManager::nsIPopupWindowManager
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//*****************************************************************************
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NS_IMETHODIMP
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nsPopupWindowManager::TestPermission(nsIURI *aURI, PRUint32 *aPermission)
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{
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NS_ENSURE_ARG_POINTER(aURI);
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NS_ENSURE_ARG_POINTER(aPermission);
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nsresult rv;
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PRUint32 permit;
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*aPermission = mPolicy;
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if (mPermissionManager) {
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rv = mPermissionManager->TestPermission(aURI, "popup", &permit);
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if (NS_SUCCEEDED(rv)) {
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// Share some constants between interfaces?
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if (permit == nsIPermissionManager::ALLOW_ACTION) {
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*aPermission = ALLOW_POPUP;
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} else if (permit == nsIPermissionManager::DENY_ACTION) {
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*aPermission = DENY_POPUP;
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}
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}
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}
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return NS_OK;
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}
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//*****************************************************************************
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//*** nsPopupWindowManager::nsIObserver
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//*****************************************************************************
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NS_IMETHODIMP
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nsPopupWindowManager::Observe(nsISupports *aSubject,
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const char *aTopic,
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const PRUnichar *aData)
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{
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nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(aSubject);
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NS_ASSERTION(!nsCRT::strcmp(NS_PREFBRANCH_PREFCHANGE_TOPIC_ID, aTopic),
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"unexpected topic - we only deal with pref changes!");
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if (prefBranch) {
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// refresh our local copy of the "disable popups" pref
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PRBool permission = PR_TRUE;
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prefBranch->GetBoolPref(kPopupDisablePref, &permission);
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mPolicy = permission ? (PRUint32) DENY_POPUP : (PRUint32) ALLOW_POPUP;
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}
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return NS_OK;
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}
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