2007-03-22 10:30:00 -07:00
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/* -*- 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) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Original Author: David W. Hyatt (hyatt@netscape.com)
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* Mark Hammond <MarkH@ActiveState.com>
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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/*
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This file provides the implementation for the XUL "controllers"
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object.
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*/
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#include "nsString.h"
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#include "nsIControllers.h"
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#include "nsIDOMElement.h"
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#include "nsXULControllers.h"
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#include "nsString.h"
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#include "nsContentUtils.h"
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//----------------------------------------------------------------------
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nsXULControllers::nsXULControllers()
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: mCurControllerID(0)
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{
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}
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nsXULControllers::~nsXULControllers(void)
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{
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DeleteControllers();
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}
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void
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nsXULControllers::DeleteControllers()
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{
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2009-03-20 01:15:35 -07:00
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PRUint32 count = mControllers.Length();
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2007-03-22 10:30:00 -07:00
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for (PRUint32 i = 0; i < count; i++)
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{
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2009-03-20 01:15:35 -07:00
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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2007-03-22 10:30:00 -07:00
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if (controllerData)
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delete controllerData; // releases the nsIController
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}
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mControllers.Clear();
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}
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2010-06-10 11:11:40 -07:00
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nsresult
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2007-03-22 10:30:00 -07:00
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NS_NewXULControllers(nsISupports* aOuter, REFNSIID aIID, void** aResult)
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{
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NS_PRECONDITION(aOuter == nsnull, "no aggregation");
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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nsXULControllers* controllers = new nsXULControllers();
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if (! controllers)
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult rv;
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NS_ADDREF(controllers);
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rv = controllers->QueryInterface(aIID, aResult);
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NS_RELEASE(controllers);
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return rv;
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(nsXULControllers)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsXULControllers)
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tmp->DeleteControllers();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsXULControllers)
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{
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2009-03-20 01:15:35 -07:00
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PRUint32 i, count = tmp->mControllers.Length();
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2007-03-22 10:30:00 -07:00
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for (i = 0; i < count; ++i) {
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2009-03-20 01:15:35 -07:00
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nsXULControllerData* controllerData = tmp->mControllers[i];
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2007-03-22 10:30:00 -07:00
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if (controllerData) {
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cb.NoteXPCOMChild(controllerData->mController);
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}
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}
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}
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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2010-01-12 05:08:43 -08:00
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DOMCI_DATA(XULControllers, nsXULControllers)
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2007-04-25 09:35:27 -07:00
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsXULControllers)
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2007-03-22 10:30:00 -07:00
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NS_INTERFACE_MAP_ENTRY(nsIControllers)
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NS_INTERFACE_MAP_ENTRY(nsISecurityCheckedComponent)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIControllers)
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2010-03-17 08:09:05 -07:00
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(XULControllers)
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2007-03-22 10:30:00 -07:00
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF_AMBIGUOUS(nsXULControllers, nsIControllers)
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NS_IMPL_CYCLE_COLLECTING_RELEASE_AMBIGUOUS(nsXULControllers, nsIControllers)
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NS_IMETHODIMP
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nsXULControllers::GetControllerForCommand(const char *aCommand, nsIController** _retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = nsnull;
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2009-03-20 01:15:35 -07:00
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PRUint32 count = mControllers.Length();
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2007-03-22 10:30:00 -07:00
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for (PRUint32 i=0; i < count; i++)
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{
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2009-03-20 01:15:35 -07:00
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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2007-03-22 10:30:00 -07:00
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if (controllerData)
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{
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nsCOMPtr<nsIController> controller;
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controllerData->GetController(getter_AddRefs(controller));
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if (controller)
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{
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PRBool supportsCommand;
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controller->SupportsCommand(aCommand, &supportsCommand);
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if (supportsCommand) {
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*_retval = controller;
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NS_ADDREF(*_retval);
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return NS_OK;
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}
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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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NS_IMETHODIMP
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nsXULControllers::InsertControllerAt(PRUint32 aIndex, nsIController *controller)
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{
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nsXULControllerData* controllerData = new nsXULControllerData(++mCurControllerID, controller);
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if (!controllerData) return NS_ERROR_OUT_OF_MEMORY;
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#ifdef DEBUG
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2009-03-20 01:15:35 -07:00
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nsXULControllerData** inserted =
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2007-03-22 10:30:00 -07:00
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#endif
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2009-03-20 01:15:35 -07:00
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mControllers.InsertElementAt(aIndex, controllerData);
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NS_ASSERTION(inserted != nsnull, "Insertion of controller failed");
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2007-03-22 10:30:00 -07:00
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXULControllers::RemoveControllerAt(PRUint32 aIndex, nsIController **_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = nsnull;
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2009-03-20 01:15:35 -07:00
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nsXULControllerData* controllerData = mControllers.SafeElementAt(aIndex);
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2007-03-22 10:30:00 -07:00
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if (!controllerData) return NS_ERROR_FAILURE;
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mControllers.RemoveElementAt(aIndex);
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controllerData->GetController(_retval);
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delete controllerData;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXULControllers::GetControllerAt(PRUint32 aIndex, nsIController **_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = nsnull;
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2009-03-20 01:15:35 -07:00
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nsXULControllerData* controllerData = mControllers.SafeElementAt(aIndex);
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2007-03-22 10:30:00 -07:00
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if (!controllerData) return NS_ERROR_FAILURE;
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return controllerData->GetController(_retval); // does the addref
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}
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NS_IMETHODIMP
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nsXULControllers::AppendController(nsIController *controller)
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{
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// This assigns controller IDs starting at 1 so we can use 0 to test if an ID was obtained
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nsXULControllerData* controllerData = new nsXULControllerData(++mCurControllerID, controller);
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if (!controllerData) return NS_ERROR_OUT_OF_MEMORY;
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#ifdef DEBUG
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2009-03-20 01:15:35 -07:00
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nsXULControllerData** appended =
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2007-03-22 10:30:00 -07:00
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#endif
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2009-03-20 01:15:35 -07:00
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mControllers.AppendElement(controllerData);
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NS_ASSERTION(appended != nsnull, "Appending controller failed");
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2007-03-22 10:30:00 -07:00
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXULControllers::RemoveController(nsIController *controller)
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{
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// first get the identity pointer
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nsCOMPtr<nsISupports> controllerSup(do_QueryInterface(controller));
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// then find it
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2009-03-20 01:15:35 -07:00
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PRUint32 count = mControllers.Length();
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2007-03-22 10:30:00 -07:00
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for (PRUint32 i = 0; i < count; i++)
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{
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2009-03-20 01:15:35 -07:00
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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2007-03-22 10:30:00 -07:00
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if (controllerData)
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{
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nsCOMPtr<nsIController> thisController;
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controllerData->GetController(getter_AddRefs(thisController));
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nsCOMPtr<nsISupports> thisControllerSup(do_QueryInterface(thisController)); // get identity
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if (thisControllerSup == controllerSup)
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{
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mControllers.RemoveElementAt(i);
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delete controllerData;
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return NS_OK;
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}
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}
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}
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return NS_ERROR_FAILURE; // right thing to return if no controller found?
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}
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/* unsigned long getControllerId (in nsIController controller); */
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NS_IMETHODIMP
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nsXULControllers::GetControllerId(nsIController *controller, PRUint32 *_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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2009-03-20 01:15:35 -07:00
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PRUint32 count = mControllers.Length();
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2007-03-22 10:30:00 -07:00
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for (PRUint32 i = 0; i < count; i++)
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{
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2009-03-20 01:15:35 -07:00
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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2007-03-22 10:30:00 -07:00
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if (controllerData)
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{
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nsCOMPtr<nsIController> thisController;
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controllerData->GetController(getter_AddRefs(thisController));
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if (thisController.get() == controller)
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{
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*_retval = controllerData->GetControllerID();
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return NS_OK;
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}
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}
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}
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return NS_ERROR_FAILURE; // none found
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}
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/* nsIController getControllerById (in unsigned long controllerID); */
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NS_IMETHODIMP
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nsXULControllers::GetControllerById(PRUint32 controllerID, nsIController **_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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2009-03-20 01:15:35 -07:00
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PRUint32 count = mControllers.Length();
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2007-03-22 10:30:00 -07:00
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for (PRUint32 i = 0; i < count; i++)
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{
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2009-03-20 01:15:35 -07:00
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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2007-03-22 10:30:00 -07:00
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if (controllerData && controllerData->GetControllerID() == controllerID)
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{
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return controllerData->GetController(_retval);
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}
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}
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return NS_ERROR_FAILURE; // none found
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}
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NS_IMETHODIMP
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nsXULControllers::GetControllerCount(PRUint32 *_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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2009-03-20 01:15:35 -07:00
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*_retval = mControllers.Length();
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2007-03-22 10:30:00 -07:00
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return NS_OK;
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}
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// nsISecurityCheckedComponent implementation
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static char* cloneAllAccess()
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{
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static const char allAccess[] = "AllAccess";
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return (char*)nsMemory::Clone(allAccess, sizeof(allAccess));
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}
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static char* cloneUniversalXPConnect()
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{
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static const char universalXPConnect[] = "UniversalXPConnect";
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return (char*)nsMemory::Clone(universalXPConnect, sizeof(universalXPConnect));
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}
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NS_IMETHODIMP
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nsXULControllers::CanCreateWrapper(const nsIID * iid, char **_retval)
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{
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*_retval = cloneAllAccess();
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return *_retval ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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NS_IMETHODIMP
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nsXULControllers::CanCallMethod(const nsIID * iid, const PRUnichar *methodName,
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char **_retval)
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{
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// OK if you're cool enough
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*_retval = cloneUniversalXPConnect();
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return *_retval ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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NS_IMETHODIMP
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nsXULControllers::CanGetProperty(const nsIID * iid,
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const PRUnichar *propertyName,
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char **_retval)
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{
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// OK if you're cool enough
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*_retval = cloneUniversalXPConnect();
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return *_retval ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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NS_IMETHODIMP
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nsXULControllers::CanSetProperty(const nsIID * iid,
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const PRUnichar *propertyName,
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char **_retval)
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{
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// OK if you're cool enough
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*_retval = cloneUniversalXPConnect();
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return *_retval ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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|
|
|
}
|