2004-10-26 04:34:03 +04:00
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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 XForms support.
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*
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* The Initial Developer of the Original Code is
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* IBM Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Brian Ryner <bryner@brianryner.com>
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2004-11-05 02:53:01 +03:00
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* Allan Beaufour <abeaufour@novell.com>
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2004-10-26 04:34:03 +04:00
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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 "nsXFormsUtils.h"
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#include "nsString.h"
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#include "nsXFormsAtoms.h"
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#include "nsIDOMElement.h"
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2005-01-27 22:30:03 +03:00
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#include "nsIDOMNSHTMLElement.h"
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2004-10-26 04:34:03 +04:00
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#include "nsIDocument.h"
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#include "nsINameSpaceManager.h"
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#include "nsINodeInfo.h"
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#include "nsIDOMNodeList.h"
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2005-01-28 02:02:27 +03:00
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#include "nsIXFormsXPathEvaluator.h"
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2004-10-26 04:34:03 +04:00
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#include "nsIDOMXPathResult.h"
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#include "nsIDOMXPathNSResolver.h"
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#include "nsIDOMDocument.h"
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2004-11-05 02:26:39 +03:00
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#include "nsIDOMText.h"
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2005-01-19 19:05:31 +03:00
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#include "nsIModelElementPrivate.h"
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2004-10-26 04:34:03 +04:00
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#include "nsIXFormsModelElement.h"
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2005-01-19 19:05:31 +03:00
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#include "nsIXFormsControl.h"
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2005-02-21 20:22:26 +03:00
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#include "nsIInstanceElementPrivate.h"
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2005-03-30 20:41:07 +04:00
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#include "nsIDOMNSDocument.h"
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#include "nsIDOMLocation.h"
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#include "nsIDOMSerializer.h"
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2004-10-26 04:34:03 +04:00
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2004-11-24 23:47:23 +03:00
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#include "nsIXFormsContextControl.h"
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2004-11-05 05:15:01 +03:00
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#include "nsIDOMDocumentEvent.h"
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#include "nsIDOMEvent.h"
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#include "nsIDOMEventTarget.h"
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#include "nsDataHashtable.h"
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2005-01-19 19:05:31 +03:00
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#include "nsAutoPtr.h"
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#include "nsXFormsXPathAnalyzer.h"
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#include "nsXFormsXPathParser.h"
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#include "nsXFormsXPathNode.h"
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#include "nsIDOMXPathExpression.h"
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#include "nsArray.h"
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2004-12-02 02:50:29 +03:00
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#include "nsIScriptSecurityManager.h"
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#include "nsIPermissionManager.h"
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#include "nsServiceManagerUtils.h"
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2005-01-28 02:02:27 +03:00
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#include "nsIXFormsUtilityService.h"
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2005-02-26 00:52:59 +03:00
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#include "nsIDOMAttr.h"
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#include "nsIDOM3Node.h"
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2005-03-30 20:41:07 +04:00
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#include "nsIConsoleService.h"
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#include "nsIStringBundle.h"
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2004-12-02 02:50:29 +03:00
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2004-11-05 05:15:01 +03:00
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#define CANCELABLE 0x01
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#define BUBBLES 0x02
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2005-01-19 19:05:31 +03:00
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const EventData sXFormsEventsEntries[41] = {
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2004-11-05 05:15:01 +03:00
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{ "xforms-model-construct", PR_FALSE, PR_TRUE },
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{ "xforms-model-construct-done", PR_FALSE, PR_TRUE },
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{ "xforms-ready", PR_FALSE, PR_TRUE },
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{ "xforms-model-destruct", PR_FALSE, PR_TRUE },
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{ "xforms-previous", PR_TRUE, PR_FALSE },
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{ "xforms-next", PR_TRUE, PR_FALSE },
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{ "xforms-focus", PR_TRUE, PR_FALSE },
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{ "xforms-help", PR_TRUE, PR_TRUE },
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{ "xforms-hint", PR_TRUE, PR_TRUE },
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{ "xforms-rebuild", PR_TRUE, PR_TRUE },
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{ "xforms-refresh", PR_TRUE, PR_TRUE },
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{ "xforms-revalidate", PR_TRUE, PR_TRUE },
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{ "xforms-recalculate", PR_TRUE, PR_TRUE },
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{ "xforms-reset", PR_TRUE, PR_TRUE },
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{ "xforms-submit", PR_TRUE, PR_TRUE },
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{ "DOMActivate", PR_TRUE, PR_TRUE },
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{ "xforms-value-changed", PR_FALSE, PR_TRUE },
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{ "xforms-select", PR_FALSE, PR_TRUE },
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{ "xforms-deselect", PR_FALSE, PR_TRUE },
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{ "xforms-scroll-first", PR_FALSE, PR_TRUE },
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{ "xforms-scroll-last", PR_FALSE, PR_TRUE },
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{ "xforms-insert", PR_FALSE, PR_TRUE },
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{ "xforms-delete", PR_FALSE, PR_TRUE },
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{ "xforms-valid", PR_FALSE, PR_TRUE },
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{ "xforms-invalid", PR_FALSE, PR_TRUE },
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{ "DOMFocusIn", PR_FALSE, PR_TRUE },
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{ "DOMFocusOut", PR_FALSE, PR_TRUE },
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{ "xforms-readonly", PR_FALSE, PR_TRUE },
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{ "xforms-readwrite", PR_FALSE, PR_TRUE },
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{ "xforms-required", PR_FALSE, PR_TRUE },
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{ "xforms-optional", PR_FALSE, PR_TRUE },
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{ "xforms-enabled", PR_FALSE, PR_TRUE },
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{ "xforms-disabled", PR_FALSE, PR_TRUE },
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{ "xforms-in-range", PR_FALSE, PR_TRUE },
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{ "xforms-out-of-range", PR_FALSE, PR_TRUE },
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{ "xforms-submit-done", PR_FALSE, PR_TRUE },
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{ "xforms-submit-error", PR_FALSE, PR_TRUE },
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{ "xforms-binding-exception", PR_FALSE, PR_TRUE },
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{ "xforms-link-exception", PR_FALSE, PR_TRUE },
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{ "xforms-link-error", PR_FALSE, PR_TRUE },
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{ "xforms-compute-exception", PR_FALSE, PR_TRUE }
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};
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static const EventData sEventDefaultsEntries[] = {
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//UIEvents already in sXFormsEvents
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//MouseEvent
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{ "click", PR_TRUE, PR_TRUE },
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{ "mousedown", PR_TRUE, PR_TRUE },
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{ "mouseup", PR_TRUE, PR_TRUE },
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{ "mouseover", PR_TRUE, PR_TRUE },
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{ "mousemove", PR_FALSE, PR_TRUE },
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{ "mouseout", PR_TRUE, PR_TRUE },
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//MutationEvent
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{ "DOMSubtreeModified", PR_FALSE, PR_TRUE },
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{ "DOMNodeInserted", PR_FALSE, PR_TRUE },
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{ "DOMNodeRemoved", PR_FALSE, PR_TRUE },
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{ "DOMNodeRemovedFromDocument", PR_FALSE, PR_FALSE },
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{ "DOMNodeInsertedIntoDocument", PR_FALSE, PR_FALSE },
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{ "DOMAttrModified", PR_FALSE, PR_TRUE },
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{ "DOMCharacterDataModified", PR_FALSE, PR_TRUE },
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//HTMLEvents
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{ "load", PR_FALSE, PR_FALSE },
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{ "unload", PR_FALSE, PR_FALSE },
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{ "abort", PR_FALSE, PR_TRUE },
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{ "error", PR_FALSE, PR_TRUE },
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{ "select", PR_FALSE, PR_TRUE },
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{ "change", PR_FALSE, PR_TRUE },
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{ "submit", PR_TRUE, PR_TRUE },
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{ "reset", PR_FALSE, PR_TRUE },
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{ "focus", PR_FALSE, PR_FALSE },
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{ "blur", PR_FALSE, PR_FALSE },
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{ "resize", PR_FALSE, PR_TRUE },
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{ "scroll", PR_FALSE, PR_TRUE }
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};
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static nsDataHashtable<nsStringHashKey,PRUint32> sXFormsEvents;
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static nsDataHashtable<nsStringHashKey,PRUint32> sEventDefaults;
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/* static */ nsresult
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nsXFormsUtils::Init()
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{
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if (!sXFormsEvents.Init())
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return NS_ERROR_FAILURE;
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unsigned int i;
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for (i = 0; i < NS_ARRAY_LENGTH(sXFormsEventsEntries); ++i) {
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PRUint32 flag = 0;
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if (sXFormsEventsEntries[i].canCancel)
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flag |= CANCELABLE;
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if (sXFormsEventsEntries[i].canBubble)
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flag |= BUBBLES;
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sXFormsEvents.Put(NS_ConvertUTF8toUTF16(sXFormsEventsEntries[i].name),
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flag);
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}
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if (!sEventDefaults.Init())
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return NS_ERROR_FAILURE;
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for (i = 0; i < NS_ARRAY_LENGTH(sEventDefaultsEntries); ++i) {
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PRUint32 flag = 0;
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if (sEventDefaultsEntries[i].canCancel)
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flag |= CANCELABLE;
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if (sEventDefaultsEntries[i].canBubble)
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flag |= BUBBLES;
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sEventDefaults.Put(NS_ConvertUTF8toUTF16(sEventDefaultsEntries[i].name),
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flag);
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}
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return NS_OK;
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}
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2005-01-19 19:05:31 +03:00
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/* static */ PRBool
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2005-01-26 15:20:21 +03:00
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nsXFormsUtils::GetParentModel(nsIDOMElement *aBindElement,
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nsIModelElementPrivate **aModel)
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2004-10-29 23:50:31 +04:00
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{
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2005-01-19 19:05:31 +03:00
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PRBool res = PR_TRUE;
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2004-10-29 23:50:31 +04:00
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nsCOMPtr<nsIDOMNode> modelWrapper;
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// Walk up the tree looking for the containing model.
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2005-01-19 19:05:31 +03:00
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aBindElement->GetParentNode(getter_AddRefs(modelWrapper));
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2004-10-29 23:50:31 +04:00
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nsAutoString localName, namespaceURI;
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nsCOMPtr<nsIDOMNode> temp;
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while (modelWrapper) {
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modelWrapper->GetLocalName(localName);
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if (localName.EqualsLiteral("model")) {
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modelWrapper->GetNamespaceURI(namespaceURI);
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if (namespaceURI.EqualsLiteral(NS_NAMESPACE_XFORMS))
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break;
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}
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temp.swap(modelWrapper);
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temp->GetParentNode(getter_AddRefs(modelWrapper));
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2005-01-19 19:05:31 +03:00
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// Model is not the immediate parent, this is a reference to a nested
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// (invalid) bind
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res = PR_FALSE;
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2004-10-29 23:50:31 +04:00
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}
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2004-11-24 23:47:23 +03:00
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*aModel = nsnull;
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2005-01-26 15:20:21 +03:00
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nsCOMPtr<nsIModelElementPrivate> model = do_QueryInterface(modelWrapper);
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model.swap(*aModel);
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2005-01-19 19:05:31 +03:00
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return res;
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2004-10-29 23:50:31 +04:00
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}
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2004-11-24 23:47:23 +03:00
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/**
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* beaufour: Section 7.4 in the specification does a really bad job of
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* explaining how to find the model, so the code below is my interpretation of
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* it...
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*
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* @see http://bugzilla.mozilla.org/show_bug.cgi?id=265216
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*/
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/* static */ nsresult
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2005-01-26 15:20:21 +03:00
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nsXFormsUtils::GetNodeContext(nsIDOMElement *aElement,
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PRUint32 aElementFlags,
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nsIModelElementPrivate **aModel,
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nsIDOMElement **aBindElement,
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PRBool *aOuterBind,
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nsIDOMNode **aContextNode,
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PRInt32 *aContextPosition,
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PRInt32 *aContextSize)
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2004-10-26 04:34:03 +04:00
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{
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2004-11-24 23:47:23 +03:00
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NS_ENSURE_ARG(aElement);
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2005-01-19 19:05:31 +03:00
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NS_ENSURE_ARG(aOuterBind);
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2004-11-24 23:47:23 +03:00
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NS_ENSURE_ARG_POINTER(aContextNode);
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2005-01-26 15:20:21 +03:00
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NS_ENSURE_ARG_POINTER(aBindElement);
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*aBindElement = nsnull;
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2004-10-26 04:34:03 +04:00
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2004-11-24 23:47:23 +03:00
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// Find correct model element
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2004-10-26 04:34:03 +04:00
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nsCOMPtr<nsIDOMDocument> domDoc;
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aElement->GetOwnerDocument(getter_AddRefs(domDoc));
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2004-11-24 23:47:23 +03:00
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NS_ENSURE_TRUE(domDoc, NS_ERROR_FAILURE);
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nsAutoString bindId;
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aElement->GetAttribute(NS_LITERAL_STRING("bind"), bindId);
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if (!bindId.IsEmpty()) {
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// CASE 1: Use @bind
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domDoc->GetElementById(bindId, aBindElement);
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2005-01-26 15:20:21 +03:00
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if (!IsXFormsElement(*aBindElement, NS_LITERAL_STRING("bind"))) {
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DispatchEvent(aElement, eEvent_BindingException);
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return NS_ERROR_ABORT;
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}
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2004-11-24 23:47:23 +03:00
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2005-01-19 19:05:31 +03:00
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// Context size and position are always 1
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if (aContextSize)
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*aContextSize = 1;
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if (aContextPosition)
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*aContextPosition = 1;
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return FindBindContext(*aBindElement,
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aOuterBind,
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aModel,
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aContextNode);
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}
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2004-11-24 23:47:23 +03:00
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2005-01-19 19:05:31 +03:00
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if (aElementFlags & ELEMENT_WITH_MODEL_ATTR) {
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2004-11-24 23:47:23 +03:00
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// CASE 2: Use @model
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// If bind did not set model, and the element has a model attribute we use this
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nsAutoString modelId;
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aElement->GetAttribute(NS_LITERAL_STRING("model"), modelId);
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if (!modelId.IsEmpty()) {
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nsCOMPtr<nsIDOMElement> modelElement;
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domDoc->GetElementById(modelId, getter_AddRefs(modelElement));
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2005-01-26 15:20:21 +03:00
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nsCOMPtr<nsIModelElementPrivate> model = do_QueryInterface(modelElement);
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2005-01-19 19:05:31 +03:00
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2005-01-26 15:20:21 +03:00
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// No element found, or element not a \<model\> element
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if (!model) {
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nsXFormsUtils::DispatchEvent(aElement, eEvent_BindingException);
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return NS_ERROR_FAILURE;
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}
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NS_ADDREF(*aModel = model);
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2004-11-05 05:15:01 +03:00
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}
|
2004-10-29 23:50:31 +04:00
|
|
|
}
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
// Search for a parent setting context for us
|
2004-11-24 23:47:23 +03:00
|
|
|
nsresult rv = FindParentContext(aElement,
|
|
|
|
aModel,
|
|
|
|
aContextNode,
|
|
|
|
aContextPosition,
|
|
|
|
aContextSize);
|
|
|
|
// CASE 3/4: Use parent's model / first model in document.
|
|
|
|
// If FindParentContext() does not find a parent context but |aModel| is not
|
|
|
|
// set, it sets the model to the first model in the document.
|
2005-01-19 19:05:31 +03:00
|
|
|
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
return NS_OK;
|
2004-11-24 23:47:23 +03:00
|
|
|
}
|
2004-10-29 23:50:31 +04:00
|
|
|
|
2005-01-26 15:20:21 +03:00
|
|
|
/* static */ already_AddRefed<nsIModelElementPrivate>
|
2004-11-24 23:47:23 +03:00
|
|
|
nsXFormsUtils::GetModel(nsIDOMElement *aElement,
|
|
|
|
PRUint32 aElementFlags)
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2004-11-24 23:47:23 +03:00
|
|
|
{
|
2005-01-26 15:20:21 +03:00
|
|
|
nsCOMPtr<nsIModelElementPrivate> model;
|
2005-01-24 11:55:30 +03:00
|
|
|
nsCOMPtr<nsIDOMNode> contextNode;
|
2004-11-24 23:47:23 +03:00
|
|
|
nsCOMPtr<nsIDOMElement> bind;
|
2005-01-19 19:05:31 +03:00
|
|
|
PRBool outerbind;
|
2004-10-29 23:50:31 +04:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
GetNodeContext(aElement,
|
|
|
|
aElementFlags,
|
|
|
|
getter_AddRefs(model),
|
|
|
|
getter_AddRefs(bind),
|
|
|
|
&outerbind,
|
|
|
|
getter_AddRefs(contextNode));
|
|
|
|
|
|
|
|
NS_ENSURE_TRUE(model, nsnull);
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-26 15:20:21 +03:00
|
|
|
nsIModelElementPrivate *result = nsnull;
|
2004-11-24 23:47:23 +03:00
|
|
|
if (model)
|
|
|
|
CallQueryInterface(model, &result); // addrefs
|
|
|
|
return result;
|
2004-10-26 04:34:03 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
/* static */ already_AddRefed<nsIDOMXPathResult>
|
2005-02-24 17:35:27 +03:00
|
|
|
nsXFormsUtils::EvaluateXPath(const nsAString &aExpression,
|
|
|
|
nsIDOMNode *aContextNode,
|
|
|
|
nsIDOMNode *aResolverNode,
|
|
|
|
PRUint16 aResultType,
|
|
|
|
PRInt32 aContextPosition,
|
|
|
|
PRInt32 aContextSize,
|
|
|
|
nsCOMArray<nsIDOMNode> *aSet)
|
2004-10-26 04:34:03 +04:00
|
|
|
{
|
|
|
|
nsCOMPtr<nsIDOMDocument> doc;
|
|
|
|
aContextNode->GetOwnerDocument(getter_AddRefs(doc));
|
|
|
|
NS_ENSURE_TRUE(doc, nsnull);
|
|
|
|
|
2005-01-28 02:02:27 +03:00
|
|
|
nsCOMPtr<nsIXFormsXPathEvaluator> eval =
|
|
|
|
do_CreateInstance("@mozilla.org/dom/xforms-xpath-evaluator;1");
|
2004-10-26 04:34:03 +04:00
|
|
|
NS_ENSURE_TRUE(eval, nsnull);
|
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
nsCOMPtr<nsIDOMXPathExpression> expression;
|
|
|
|
eval->CreateExpression(aExpression,
|
2005-01-28 02:02:27 +03:00
|
|
|
aResolverNode,
|
2005-01-19 19:05:31 +03:00
|
|
|
getter_AddRefs(expression));
|
|
|
|
NS_ENSURE_TRUE(expression, nsnull);
|
|
|
|
|
2004-11-24 23:47:23 +03:00
|
|
|
///
|
|
|
|
/// @todo Evaluate() should use aContextPosition and aContextSize
|
2004-10-26 04:34:03 +04:00
|
|
|
nsCOMPtr<nsISupports> supResult;
|
2005-01-28 02:02:27 +03:00
|
|
|
nsresult rv = expression->Evaluate(aContextNode,
|
|
|
|
aResultType,
|
|
|
|
nsnull,
|
|
|
|
getter_AddRefs(supResult));
|
2004-10-26 04:34:03 +04:00
|
|
|
|
|
|
|
nsIDOMXPathResult *result = nsnull;
|
2005-01-28 02:02:27 +03:00
|
|
|
if (NS_SUCCEEDED(rv) && supResult) {
|
2005-01-19 19:05:31 +03:00
|
|
|
/// @todo beaufour: This is somewhat "hackish". Hopefully, this will
|
|
|
|
/// improve when we integrate properly with Transformiix (XXX)
|
|
|
|
/// @see http://bugzilla.mozilla.org/show_bug.cgi?id=265212
|
|
|
|
if (aSet) {
|
|
|
|
nsXFormsXPathParser parser;
|
2005-01-28 02:02:27 +03:00
|
|
|
nsXFormsXPathAnalyzer analyzer(eval, aResolverNode);
|
2005-01-19 19:05:31 +03:00
|
|
|
nsAutoPtr<nsXFormsXPathNode> xNode(parser.Parse(aExpression));
|
|
|
|
|
2005-01-28 02:02:27 +03:00
|
|
|
rv = analyzer.Analyze(aContextNode,
|
|
|
|
xNode,
|
|
|
|
expression,
|
|
|
|
&aExpression,
|
|
|
|
aSet);
|
2005-01-19 19:05:31 +03:00
|
|
|
NS_ENSURE_SUCCESS(rv, nsnull);
|
|
|
|
}
|
2004-10-26 04:34:03 +04:00
|
|
|
CallQueryInterface(supResult, &result); // addrefs
|
|
|
|
}
|
2005-01-28 02:02:27 +03:00
|
|
|
else if(rv == NS_ERROR_XFORMS_CALCUATION_EXCEPTION){
|
|
|
|
nsCOMPtr<nsIDOMElement> resolverElement = do_QueryInterface(aResolverNode);
|
|
|
|
nsCOMPtr<nsIModelElementPrivate> modelPriv = nsXFormsUtils::GetModel(resolverElement);
|
|
|
|
nsCOMPtr<nsIDOMNode> model = do_QueryInterface(modelPriv);
|
|
|
|
DispatchEvent(model, eEvent_ComputeException);
|
|
|
|
}
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
return result;
|
2004-10-26 04:34:03 +04:00
|
|
|
}
|
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
/* static */ nsresult
|
2005-01-26 15:20:21 +03:00
|
|
|
nsXFormsUtils::FindBindContext(nsIDOMElement *aBindElement,
|
|
|
|
PRBool *aOuterBind,
|
|
|
|
nsIModelElementPrivate **aModel,
|
|
|
|
nsIDOMNode **aContextNode)
|
2004-10-26 04:34:03 +04:00
|
|
|
{
|
2005-01-24 11:55:30 +03:00
|
|
|
NS_ENSURE_ARG_POINTER(aContextNode);
|
|
|
|
*aContextNode = nsnull;
|
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
// 1) Find the model for the bind
|
|
|
|
*aOuterBind = GetParentModel(aBindElement, aModel);
|
|
|
|
NS_ENSURE_STATE(*aModel);
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
// 2) Find the context node
|
|
|
|
nsCOMPtr<nsIXFormsModelElement> modelInt = do_QueryInterface(*aModel);
|
|
|
|
NS_ENSURE_STATE(modelInt);
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
nsCOMPtr<nsIDOMDocument> instanceDoc;
|
|
|
|
modelInt->GetInstanceDocument(NS_LITERAL_STRING(""),
|
|
|
|
getter_AddRefs(instanceDoc));
|
|
|
|
NS_ENSURE_STATE(instanceDoc);
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-24 11:55:30 +03:00
|
|
|
nsIDOMElement* docElement;
|
|
|
|
instanceDoc->GetDocumentElement(&docElement); // addrefs
|
|
|
|
NS_ENSURE_STATE(docElement);
|
|
|
|
*aContextNode = docElement; // addref'ed above
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
return NS_OK;
|
2004-10-26 04:34:03 +04:00
|
|
|
}
|
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
/* static */ nsresult
|
2005-01-26 15:20:21 +03:00
|
|
|
nsXFormsUtils::EvaluateNodeBinding(nsIDOMElement *aElement,
|
|
|
|
PRUint32 aElementFlags,
|
|
|
|
const nsString &aBindingAttr,
|
|
|
|
const nsString &aDefaultRef,
|
|
|
|
PRUint16 aResultType,
|
|
|
|
nsIModelElementPrivate **aModel,
|
|
|
|
nsIDOMXPathResult **aResult,
|
2005-02-24 17:35:27 +03:00
|
|
|
nsCOMArray<nsIDOMNode> *aDeps)
|
2004-10-26 04:34:03 +04:00
|
|
|
{
|
2005-01-19 19:05:31 +03:00
|
|
|
if (!aElement || !aModel || !aResult) {
|
2005-01-24 11:55:30 +03:00
|
|
|
return NS_OK;
|
2004-11-24 23:47:23 +03:00
|
|
|
}
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2004-11-24 23:47:23 +03:00
|
|
|
*aModel = nsnull;
|
2005-01-19 19:05:31 +03:00
|
|
|
*aResult = nsnull;
|
2004-10-26 04:34:03 +04:00
|
|
|
|
2005-01-24 11:55:30 +03:00
|
|
|
nsCOMPtr<nsIDOMNode> contextNode;
|
2005-01-19 19:05:31 +03:00
|
|
|
nsCOMPtr<nsIDOMElement> bindElement;
|
|
|
|
PRBool outerBind;
|
2004-11-24 23:47:23 +03:00
|
|
|
PRInt32 contextPosition;
|
|
|
|
PRInt32 contextSize;
|
|
|
|
nsresult rv = GetNodeContext(aElement,
|
|
|
|
aElementFlags,
|
|
|
|
aModel,
|
2005-01-19 19:05:31 +03:00
|
|
|
getter_AddRefs(bindElement),
|
|
|
|
&outerBind,
|
2004-11-24 23:47:23 +03:00
|
|
|
getter_AddRefs(contextNode),
|
|
|
|
&contextPosition,
|
|
|
|
&contextSize);
|
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2004-10-26 04:34:03 +04:00
|
|
|
|
|
|
|
nsAutoString expr;
|
2005-01-19 19:05:31 +03:00
|
|
|
if (bindElement) {
|
|
|
|
if (!outerBind) {
|
|
|
|
// "When you refer to @id on a nested bind it returns an emtpy nodeset
|
|
|
|
// because it has no meaning. The XForms WG will assign meaning in the
|
|
|
|
// future."
|
|
|
|
// @see http://www.w3.org/MarkUp/Group/2004/11/f2f/2004Nov11#resolution6
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
} else {
|
|
|
|
// If there is a (outer) bind element, we retrive its nodeset.
|
|
|
|
bindElement->GetAttribute(NS_LITERAL_STRING("nodeset"), expr);
|
2004-11-24 23:47:23 +03:00
|
|
|
}
|
2005-01-19 19:05:31 +03:00
|
|
|
} else {
|
|
|
|
// If there's no bind element, we expect there to be a |aBindingAttr| attribute.
|
|
|
|
aElement->GetAttribute(aBindingAttr, expr);
|
|
|
|
|
|
|
|
if (expr.IsEmpty())
|
|
|
|
{
|
|
|
|
if (aDefaultRef.IsEmpty())
|
|
|
|
return NS_OK;
|
|
|
|
|
|
|
|
expr.Assign(aDefaultRef);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!contextNode) {
|
|
|
|
nsCOMPtr<nsIDOMDocument> instanceDoc;
|
|
|
|
nsCOMPtr<nsIXFormsModelElement> model = do_QueryInterface(*aModel);
|
|
|
|
|
|
|
|
NS_ENSURE_STATE(model); // The referenced model is not actually a model element, or does not exist.
|
2004-11-24 23:47:23 +03:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
model->GetInstanceDocument(NS_LITERAL_STRING(""),
|
|
|
|
getter_AddRefs(instanceDoc));
|
2004-11-24 23:47:23 +03:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
NS_ENSURE_STATE(instanceDoc);
|
2004-11-24 23:47:23 +03:00
|
|
|
|
2005-01-24 11:55:30 +03:00
|
|
|
nsCOMPtr<nsIDOMElement> docElement;
|
|
|
|
instanceDoc->GetDocumentElement(getter_AddRefs(docElement));
|
|
|
|
contextNode = docElement;
|
2004-11-24 23:47:23 +03:00
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
if (!contextNode) {
|
|
|
|
return NS_OK; // this will happen if the doc is still loading
|
|
|
|
}
|
2004-11-24 23:47:23 +03:00
|
|
|
}
|
2004-10-26 04:34:03 +04:00
|
|
|
}
|
|
|
|
|
2004-11-24 23:47:23 +03:00
|
|
|
// Evaluate |expr|
|
2005-01-19 19:05:31 +03:00
|
|
|
nsCOMPtr<nsIDOMXPathResult> res = EvaluateXPath(expr,
|
|
|
|
contextNode,
|
|
|
|
aElement,
|
|
|
|
aResultType,
|
|
|
|
contextSize,
|
|
|
|
contextPosition,
|
2005-02-24 17:35:27 +03:00
|
|
|
aDeps);
|
2005-01-19 19:05:31 +03:00
|
|
|
|
|
|
|
res.swap(*aResult); // exchanges ref
|
|
|
|
|
|
|
|
return NS_OK;
|
2004-10-26 04:34:03 +04:00
|
|
|
}
|
|
|
|
|
2004-11-05 02:26:39 +03:00
|
|
|
/* static */ void
|
|
|
|
nsXFormsUtils::GetNodeValue(nsIDOMNode* aDataNode, nsString& aNodeValue)
|
|
|
|
{
|
|
|
|
PRUint16 nodeType;
|
|
|
|
aDataNode->GetNodeType(&nodeType);
|
|
|
|
|
|
|
|
switch(nodeType) {
|
|
|
|
case nsIDOMNode::ATTRIBUTE_NODE:
|
|
|
|
case nsIDOMNode::TEXT_NODE:
|
|
|
|
// "Returns the string-value of the node."
|
|
|
|
aDataNode->GetNodeValue(aNodeValue);
|
|
|
|
return;
|
|
|
|
|
|
|
|
case nsIDOMNode::ELEMENT_NODE:
|
|
|
|
{
|
|
|
|
// "If text child nodes are present, returns the string-value of the
|
|
|
|
// first text child node. Otherwise, returns "" (the empty string)".
|
|
|
|
|
|
|
|
// Find the first child text node.
|
|
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
|
|
aDataNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
|
|
|
|
|
|
if (childNodes) {
|
|
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
|
|
PRUint32 childCount;
|
|
|
|
childNodes->GetLength(&childCount);
|
|
|
|
|
|
|
|
for (PRUint32 i = 0; i < childCount; ++i) {
|
|
|
|
childNodes->Item(i, getter_AddRefs(child));
|
|
|
|
NS_ASSERTION(child, "DOMNodeList length is wrong!");
|
|
|
|
|
|
|
|
child->GetNodeType(&nodeType);
|
|
|
|
if (nodeType == nsIDOMNode::TEXT_NODE) {
|
|
|
|
child->GetNodeValue(aNodeValue);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// No child text nodes. Return an empty string.
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
// namespace, processing instruction, comment, XPath root node
|
|
|
|
NS_WARNING("String value for this node type is not defined");
|
|
|
|
}
|
|
|
|
|
|
|
|
aNodeValue.Truncate(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* static */ void
|
|
|
|
nsXFormsUtils::SetNodeValue(nsIDOMNode* aDataNode, const nsString& aNodeValue)
|
|
|
|
{
|
|
|
|
PRUint16 nodeType;
|
|
|
|
aDataNode->GetNodeType(&nodeType);
|
|
|
|
|
|
|
|
switch(nodeType) {
|
|
|
|
case nsIDOMNode::ATTRIBUTE_NODE:
|
|
|
|
// "The string-value of the attribute is replaced with a string
|
|
|
|
// corresponding to the new value."
|
|
|
|
aDataNode->SetNodeValue(aNodeValue);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case nsIDOMNode::TEXT_NODE:
|
|
|
|
// "The text node is replaced with a new one corresponding to the new
|
|
|
|
// value".
|
|
|
|
{
|
|
|
|
nsCOMPtr<nsIDOMDocument> document;
|
|
|
|
aDataNode->GetOwnerDocument(getter_AddRefs(document));
|
|
|
|
if (!document)
|
|
|
|
break;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMText> textNode;
|
|
|
|
document->CreateTextNode(aNodeValue, getter_AddRefs(textNode));
|
|
|
|
if (!textNode)
|
|
|
|
break;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMNode> parentNode;
|
|
|
|
aDataNode->GetParentNode(getter_AddRefs(parentNode));
|
|
|
|
if (parentNode) {
|
|
|
|
nsCOMPtr<nsIDOMNode> childReturn;
|
|
|
|
parentNode->ReplaceChild(textNode, aDataNode,
|
|
|
|
getter_AddRefs(childReturn));
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case nsIDOMNode::ELEMENT_NODE:
|
|
|
|
{
|
|
|
|
// "If the element has any child text nodes, the first text node is
|
|
|
|
// replaced with one corresponding to the new value."
|
|
|
|
|
|
|
|
// Start by creating a text node for the new value.
|
|
|
|
nsCOMPtr<nsIDOMDocument> document;
|
|
|
|
aDataNode->GetOwnerDocument(getter_AddRefs(document));
|
|
|
|
if (!document)
|
|
|
|
break;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMText> textNode;
|
|
|
|
document->CreateTextNode(aNodeValue, getter_AddRefs(textNode));
|
|
|
|
if (!textNode)
|
|
|
|
break;
|
|
|
|
|
|
|
|
// Now find the first child text node.
|
|
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
|
|
aDataNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
|
|
|
|
|
|
if (!childNodes)
|
|
|
|
break;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMNode> child, childReturn;
|
|
|
|
PRUint32 childCount;
|
|
|
|
childNodes->GetLength(&childCount);
|
|
|
|
|
|
|
|
for (PRUint32 i = 0; i < childCount; ++i) {
|
|
|
|
childNodes->Item(i, getter_AddRefs(child));
|
|
|
|
NS_ASSERTION(child, "DOMNodeList length is wrong!");
|
|
|
|
|
|
|
|
child->GetNodeType(&nodeType);
|
|
|
|
if (nodeType == nsIDOMNode::TEXT_NODE) {
|
|
|
|
// We found one, replace it with our new text node.
|
|
|
|
aDataNode->ReplaceChild(textNode, child,
|
|
|
|
getter_AddRefs(childReturn));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// "If no child text nodes are present, a text node is created,
|
|
|
|
// corresponding to the new value, and appended as the first child node."
|
|
|
|
|
|
|
|
// XXX This is a bit vague since "appended as the first child node"
|
|
|
|
// implies that there are no child nodes at all, but all we've
|
|
|
|
// established is that there are no child _text_nodes.
|
|
|
|
// Taking this to mean "inserted as the first child node" until this is
|
|
|
|
// clarified.
|
|
|
|
|
|
|
|
aDataNode->GetFirstChild(getter_AddRefs(child));
|
|
|
|
if (child)
|
|
|
|
aDataNode->InsertBefore(textNode, child, getter_AddRefs(childReturn));
|
|
|
|
else
|
|
|
|
aDataNode->AppendChild(textNode, getter_AddRefs(childReturn));
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
NS_WARNING("Trying to set node value for unsupported node type");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-01-19 19:05:31 +03:00
|
|
|
///
|
|
|
|
/// @todo Use this consistently, or delete? (XXX)
|
2004-11-05 05:15:01 +03:00
|
|
|
/* static */ PRBool
|
|
|
|
nsXFormsUtils::GetSingleNodeBindingValue(nsIDOMElement* aElement,
|
|
|
|
nsString& aValue)
|
|
|
|
{
|
|
|
|
if (!aElement)
|
|
|
|
return PR_FALSE;
|
2005-01-26 15:20:21 +03:00
|
|
|
nsCOMPtr<nsIModelElementPrivate> model;
|
2005-01-19 19:05:31 +03:00
|
|
|
nsCOMPtr<nsIDOMXPathResult> result;
|
|
|
|
|
|
|
|
nsresult rv = EvaluateNodeBinding(aElement,
|
|
|
|
nsXFormsUtils::ELEMENT_WITH_MODEL_ATTR,
|
|
|
|
NS_LITERAL_STRING("ref"),
|
|
|
|
EmptyString(),
|
|
|
|
nsIDOMXPathResult::FIRST_ORDERED_NODE_TYPE,
|
|
|
|
getter_AddRefs(model),
|
|
|
|
getter_AddRefs(result));
|
|
|
|
|
|
|
|
if (NS_FAILED(rv) || !result)
|
2004-11-05 05:15:01 +03:00
|
|
|
return PR_FALSE;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMNode> singleNode;
|
|
|
|
result->GetSingleNodeValue(getter_AddRefs(singleNode));
|
|
|
|
if (!singleNode)
|
|
|
|
return PR_FALSE;
|
|
|
|
|
|
|
|
nsXFormsUtils::GetNodeValue(singleNode, aValue);
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* static */ nsresult
|
|
|
|
nsXFormsUtils::DispatchEvent(nsIDOMNode* aTarget, nsXFormsEvent aEvent)
|
|
|
|
{
|
|
|
|
if (!aTarget)
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
|
|
aTarget->GetOwnerDocument(getter_AddRefs(domDoc));
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMDocumentEvent> doc = do_QueryInterface(domDoc);
|
2005-02-09 16:19:37 +03:00
|
|
|
NS_ENSURE_STATE(doc);
|
|
|
|
|
2004-11-05 05:15:01 +03:00
|
|
|
nsCOMPtr<nsIDOMEvent> event;
|
|
|
|
doc->CreateEvent(NS_LITERAL_STRING("Events"), getter_AddRefs(event));
|
|
|
|
NS_ENSURE_TRUE(event, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
|
|
|
|
const EventData *data = &sXFormsEventsEntries[aEvent];
|
|
|
|
event->InitEvent(NS_ConvertUTF8toUTF16(data->name),
|
|
|
|
data->canBubble, data->canCancel);
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMEventTarget> target = do_QueryInterface(aTarget);
|
2005-02-09 16:19:37 +03:00
|
|
|
NS_ENSURE_STATE(target);
|
|
|
|
|
2005-03-04 05:01:54 +03:00
|
|
|
PRBool defaultActionEnabled;
|
|
|
|
return target->DispatchEvent(event, &defaultActionEnabled);
|
2004-11-05 05:15:01 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
/* static */ PRBool
|
|
|
|
nsXFormsUtils::IsXFormsEvent(const nsAString& aEvent,
|
|
|
|
PRBool& aCancelable,
|
|
|
|
PRBool& aBubbles)
|
|
|
|
{
|
|
|
|
PRUint32 flag = 0;
|
|
|
|
if (!sXFormsEvents.Get(aEvent, &flag))
|
|
|
|
return PR_FALSE;
|
|
|
|
aCancelable = (flag & CANCELABLE) ? PR_TRUE : PR_FALSE;
|
|
|
|
aBubbles = (flag & BUBBLES) ? PR_TRUE : PR_FALSE;
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* static */ void
|
|
|
|
nsXFormsUtils::GetEventDefaults(const nsAString& aEvent,
|
|
|
|
PRBool& aCancelable,
|
|
|
|
PRBool& aBubbles)
|
|
|
|
{
|
|
|
|
PRUint32 flag = 0;
|
|
|
|
if (!sEventDefaults.Get(aEvent, &flag))
|
|
|
|
return;
|
|
|
|
aCancelable = (flag & CANCELABLE) ? PR_TRUE : PR_FALSE;
|
|
|
|
aBubbles = (flag & BUBBLES) ? PR_TRUE : PR_FALSE;
|
|
|
|
}
|
2004-11-05 02:26:39 +03:00
|
|
|
|
2004-10-26 04:34:03 +04:00
|
|
|
/* static */ nsresult
|
|
|
|
nsXFormsUtils::CloneScriptingInterfaces(const nsIID *aIIDList,
|
|
|
|
unsigned int aIIDCount,
|
|
|
|
PRUint32 *aOutCount,
|
|
|
|
nsIID ***aOutArray)
|
|
|
|
{
|
|
|
|
nsIID **iids = NS_STATIC_CAST(nsIID**,
|
|
|
|
nsMemory::Alloc(aIIDCount * sizeof(nsIID*)));
|
|
|
|
if (!iids) {
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (PRUint32 i = 0; i < aIIDCount; ++i) {
|
|
|
|
iids[i] = NS_STATIC_CAST(nsIID*,
|
|
|
|
nsMemory::Clone(&aIIDList[i], sizeof(nsIID)));
|
|
|
|
|
|
|
|
if (!iids[i]) {
|
|
|
|
for (PRUint32 j = 0; j < i; ++j)
|
|
|
|
nsMemory::Free(iids[j]);
|
|
|
|
nsMemory::Free(iids);
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
*aOutArray = iids;
|
|
|
|
*aOutCount = aIIDCount;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
2004-11-24 23:47:23 +03:00
|
|
|
|
|
|
|
/* static */ nsresult
|
2005-01-26 15:20:21 +03:00
|
|
|
nsXFormsUtils::FindParentContext(nsIDOMElement *aElement,
|
|
|
|
nsIModelElementPrivate **aModel,
|
|
|
|
nsIDOMNode **aContextNode,
|
|
|
|
PRInt32 *aContextPosition,
|
|
|
|
PRInt32 *aContextSize)
|
2004-11-24 23:47:23 +03:00
|
|
|
{
|
|
|
|
NS_ENSURE_ARG(aElement);
|
|
|
|
NS_ENSURE_ARG_POINTER(aModel);
|
|
|
|
NS_ENSURE_ARG_POINTER(aContextNode);
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMNode> elementNode = do_QueryInterface(aElement);
|
|
|
|
NS_ENSURE_TRUE(elementNode, NS_ERROR_FAILURE);
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMNode> curNode;
|
|
|
|
nsresult rv = elementNode->GetParentNode(getter_AddRefs(curNode));
|
|
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
|
|
|
|
|
|
// If a model is set, get its ID
|
|
|
|
nsAutoString childModelID;
|
|
|
|
if (*aModel) {
|
|
|
|
nsCOMPtr<nsIDOMElement> modelElement = do_QueryInterface(*aModel);
|
|
|
|
NS_ENSURE_TRUE(modelElement, NS_ERROR_FAILURE);
|
|
|
|
modelElement->GetAttribute(NS_LITERAL_STRING("id"), childModelID);
|
2005-01-26 15:20:21 +03:00
|
|
|
}
|
2004-11-24 23:47:23 +03:00
|
|
|
|
|
|
|
// Find our context:
|
|
|
|
// Iterate over all parents and find first one that implements nsIXFormsContextControl,
|
|
|
|
// and has the same model as us.
|
|
|
|
nsCOMPtr<nsIDOMNode> temp;
|
|
|
|
nsAutoString contextModelID;
|
|
|
|
while (curNode) {
|
|
|
|
nsCOMPtr<nsIXFormsContextControl> contextControl = do_QueryInterface(curNode);
|
2005-02-09 12:57:31 +03:00
|
|
|
|
|
|
|
if (contextControl) {
|
2004-11-24 23:47:23 +03:00
|
|
|
PRInt32 cSize;
|
|
|
|
PRInt32 cPosition;
|
2005-01-24 11:55:30 +03:00
|
|
|
nsCOMPtr<nsIDOMNode> tempNode;
|
2005-02-09 12:57:31 +03:00
|
|
|
rv = contextControl->GetContext(contextModelID,
|
|
|
|
getter_AddRefs(tempNode),
|
|
|
|
&cPosition,
|
|
|
|
&cSize);
|
2004-11-24 23:47:23 +03:00
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// If the call failed, it means that we _have_ a parent which sets the
|
|
|
|
// context but it is invalid, ie. the XPath expression could have
|
|
|
|
// generated an error.
|
|
|
|
|
2005-01-15 04:04:02 +03:00
|
|
|
if (tempNode && (childModelID.IsEmpty()
|
|
|
|
|| childModelID.Equals(contextModelID))) {
|
2004-11-24 23:47:23 +03:00
|
|
|
NS_ADDREF(*aContextNode = tempNode);
|
|
|
|
if (aContextSize)
|
|
|
|
*aContextSize = cSize;
|
|
|
|
if (aContextPosition)
|
|
|
|
*aContextPosition = cPosition;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Next ancestor
|
|
|
|
temp.swap(curNode);
|
|
|
|
rv = temp->GetParentNode(getter_AddRefs(curNode));
|
|
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Child had no model set, set it
|
|
|
|
if (!*aModel) {
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
|
|
nsresult rv = aElement->GetOwnerDocument(getter_AddRefs(domDoc));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
NS_ENSURE_TRUE(domDoc, NS_ERROR_FAILURE);
|
|
|
|
|
2005-01-26 15:20:21 +03:00
|
|
|
nsCOMPtr<nsIModelElementPrivate> model;
|
2004-11-24 23:47:23 +03:00
|
|
|
if (!*aContextNode || contextModelID.IsEmpty()) {
|
|
|
|
// We have either not found a context node, or we have found one where
|
|
|
|
// the model ID is empty. That means we use the first model in document
|
|
|
|
nsCOMPtr<nsIDOMNodeList> nodes;
|
|
|
|
domDoc->GetElementsByTagNameNS(NS_LITERAL_STRING(NS_NAMESPACE_XFORMS),
|
|
|
|
NS_LITERAL_STRING("model"),
|
|
|
|
getter_AddRefs(nodes));
|
|
|
|
// No model element in document!
|
2005-01-26 15:20:21 +03:00
|
|
|
NS_ENSURE_STATE(nodes);
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMNode> modelNode;
|
|
|
|
nodes->Item(0, getter_AddRefs(modelNode));
|
|
|
|
model = do_QueryInterface(modelNode);
|
2004-11-24 23:47:23 +03:00
|
|
|
} else {
|
|
|
|
// Get the model with the correct ID
|
|
|
|
nsCOMPtr<nsIDOMElement> modelElement;
|
|
|
|
domDoc->GetElementById(contextModelID, getter_AddRefs(modelElement));
|
2005-01-26 15:20:21 +03:00
|
|
|
model = do_QueryInterface(modelElement);
|
2004-11-24 23:47:23 +03:00
|
|
|
}
|
2005-01-26 15:20:21 +03:00
|
|
|
if (!model) {
|
|
|
|
DispatchEvent(aElement, eEvent_BindingException);
|
|
|
|
return NS_ERROR_ABORT;
|
|
|
|
}
|
|
|
|
NS_ADDREF(*aModel = model);
|
2004-11-24 23:47:23 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
2004-12-02 02:50:29 +03:00
|
|
|
|
|
|
|
/* static */ PRBool
|
|
|
|
nsXFormsUtils::CheckSameOrigin(nsIURI *aBaseURI, nsIURI *aTestURI)
|
|
|
|
{
|
|
|
|
nsresult rv;
|
|
|
|
|
|
|
|
// check to see if we're allowed to load this URI
|
|
|
|
nsCOMPtr<nsIScriptSecurityManager> secMan =
|
|
|
|
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID);
|
|
|
|
if (secMan) {
|
|
|
|
rv = secMan->CheckSameOriginURI(aBaseURI, aTestURI);
|
|
|
|
if (NS_SUCCEEDED(rv))
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
// else, check with the permission manager to see if this host is
|
|
|
|
// permitted to access sites from other domains.
|
|
|
|
|
|
|
|
nsCOMPtr<nsIPermissionManager> permMgr =
|
|
|
|
do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
|
|
|
|
PRUint32 perm;
|
|
|
|
rv = permMgr->TestPermission(aBaseURI, "xforms-load", &perm);
|
|
|
|
if (NS_SUCCEEDED(rv) && perm == nsIPermissionManager::ALLOW_ACTION)
|
|
|
|
return PR_TRUE;
|
|
|
|
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
2004-12-15 05:08:53 +03:00
|
|
|
|
|
|
|
/*static*/ PRBool
|
|
|
|
nsXFormsUtils::IsXFormsElement(nsIDOMNode* aNode, const nsAString& aName)
|
|
|
|
{
|
|
|
|
if (aNode) {
|
|
|
|
PRUint16 nodeType;
|
|
|
|
aNode->GetNodeType(&nodeType);
|
|
|
|
if (nodeType == nsIDOMNode::ELEMENT_NODE) {
|
|
|
|
nsAutoString name;
|
|
|
|
aNode->GetLocalName(name);
|
|
|
|
if (name.Equals(aName)) {
|
|
|
|
nsAutoString ns;
|
|
|
|
aNode->GetNamespaceURI(ns);
|
|
|
|
if (ns.EqualsLiteral(NS_NAMESPACE_XFORMS))
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
2005-01-15 04:04:02 +03:00
|
|
|
|
|
|
|
/* static */ PRBool
|
|
|
|
nsXFormsUtils::IsLabelElement(nsIDOMNode *aElement)
|
|
|
|
{
|
|
|
|
nsAutoString value;
|
|
|
|
aElement->GetLocalName(value);
|
|
|
|
if (value.EqualsLiteral("label")) {
|
|
|
|
aElement->GetNamespaceURI(value);
|
|
|
|
return value.EqualsLiteral(NS_NAMESPACE_XFORMS);
|
|
|
|
}
|
|
|
|
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
2005-01-27 22:30:03 +03:00
|
|
|
|
|
|
|
/* static */ PRBool
|
|
|
|
nsXFormsUtils::FocusControl(nsIDOMElement *aElement)
|
|
|
|
{
|
|
|
|
PRBool ret = PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMNSHTMLElement> element(do_QueryInterface(aElement));
|
|
|
|
if (element && NS_SUCCEEDED(element->Focus()))
|
|
|
|
ret = PR_TRUE;
|
|
|
|
return ret;
|
|
|
|
}
|
2005-02-21 20:22:26 +03:00
|
|
|
|
2005-02-24 17:35:27 +03:00
|
|
|
int
|
|
|
|
sortFunc(nsIDOMNode *aNode1, nsIDOMNode *aNode2, void *aArg)
|
|
|
|
{
|
|
|
|
return (void*) aNode1 < (void*) aNode2;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* static */ void
|
|
|
|
nsXFormsUtils::MakeUniqueAndSort(nsCOMArray<nsIDOMNode> *aArray)
|
|
|
|
{
|
|
|
|
if (!aArray)
|
|
|
|
return;
|
|
|
|
|
|
|
|
aArray->Sort(sortFunc, nsnull);
|
|
|
|
|
|
|
|
PRInt32 pos = 0;
|
|
|
|
while (pos + 1 < aArray->Count()) {
|
|
|
|
if (aArray->ObjectAt(pos) == aArray->ObjectAt(pos + 1)) {
|
|
|
|
aArray->RemoveObjectAt(pos + 1);
|
|
|
|
} else {
|
|
|
|
++pos;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-02-21 20:22:26 +03:00
|
|
|
/* static */ nsresult
|
|
|
|
nsXFormsUtils::GetInstanceNodeForData(nsIDOMNode *aInstanceDataNode,
|
|
|
|
nsIModelElementPrivate *aModel,
|
|
|
|
nsIDOMNode **aInstanceNode)
|
|
|
|
{
|
|
|
|
NS_ENSURE_ARG(aInstanceDataNode);
|
|
|
|
NS_ENSURE_ARG(aModel);
|
|
|
|
NS_ENSURE_ARG_POINTER(aInstanceNode);
|
|
|
|
*aInstanceNode = nsnull;
|
|
|
|
|
|
|
|
/* We want to get at the <xf:instance> that aInstanceDataNode belongs to.
|
|
|
|
We get all xf:instance nodes in the aModel, QI it to nsIInstanceElementPrivate
|
|
|
|
and compare its document to the document aInstanceDataNode lives in.
|
|
|
|
*/
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMDocument> instanceDoc;
|
|
|
|
aInstanceDataNode->GetOwnerDocument(getter_AddRefs(instanceDoc));
|
|
|
|
// owner doc is null when the data node is the document (e.g., ref="/")
|
|
|
|
if (!instanceDoc)
|
|
|
|
instanceDoc = do_QueryInterface(aInstanceDataNode);
|
|
|
|
NS_ENSURE_TRUE(instanceDoc, NS_ERROR_UNEXPECTED);
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMElement> modelElem = do_QueryInterface(aModel);
|
|
|
|
NS_ENSURE_STATE(modelElem);
|
|
|
|
nsCOMPtr<nsIDOMNodeList> nodeList;
|
|
|
|
nsresult rv = modelElem->GetElementsByTagNameNS(NS_LITERAL_STRING(NS_NAMESPACE_XFORMS),
|
|
|
|
NS_LITERAL_STRING("instance"),
|
|
|
|
getter_AddRefs(nodeList));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
PRUint32 childCount = 0;
|
|
|
|
nodeList->GetLength(&childCount);
|
|
|
|
PRUint32 i;
|
|
|
|
for (i = 0; i < childCount; ++i) {
|
|
|
|
nodeList->Item(i, aInstanceNode);
|
|
|
|
nsCOMPtr<nsIInstanceElementPrivate> instPriv = do_QueryInterface(*aInstanceNode);
|
|
|
|
if (!instPriv)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMDocument> tmpDoc;
|
|
|
|
instPriv->GetDocument(getter_AddRefs(tmpDoc));
|
|
|
|
|
|
|
|
if (tmpDoc == instanceDoc)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!childCount || i == childCount)
|
|
|
|
// No instance nodes in model or instance node not found?
|
|
|
|
// Doesn't make sense!
|
|
|
|
return NS_ERROR_ABORT;
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
2005-02-23 01:11:51 +03:00
|
|
|
|
|
|
|
/* static */ nsresult
|
2005-03-30 20:41:07 +04:00
|
|
|
nsXFormsUtils::ParseTypeFromNode(nsIDOMNode *aInstanceData,
|
2005-02-23 01:11:51 +03:00
|
|
|
nsAString &aType, nsAString &aNSPrefix)
|
|
|
|
{
|
|
|
|
nsresult rv;
|
2005-02-26 00:52:59 +03:00
|
|
|
|
|
|
|
// aInstanceData could be an instance data node or it could be an attribute
|
|
|
|
// on an instance data node (basically the node that a control is bound to).
|
|
|
|
// So first checking to see if it is a proper element node. If it isn't,
|
|
|
|
// making sure that it is at least an attribute.
|
|
|
|
//
|
|
|
|
// XXX - Once node type is set as a property on the element or attribute node,
|
|
|
|
// then we can treat elements and attributes the same. For now we are using
|
|
|
|
// an attribute on the instance data node to store the type. If we bind
|
|
|
|
// to an attribute on the instance data node there is nothing we can do but
|
|
|
|
// hope that it doesn't have a bound type until we get properties on
|
|
|
|
// attributes working. (bug 283004)
|
2005-02-23 01:11:51 +03:00
|
|
|
nsCOMPtr<nsIDOMElement> nodeElem = do_QueryInterface(aInstanceData, &rv);
|
2005-02-26 00:52:59 +03:00
|
|
|
if (NS_FAILED(rv)) {
|
|
|
|
nsCOMPtr<nsIDOMAttr> attrNode = do_QueryInterface(aInstanceData, &rv);
|
|
|
|
if(NS_SUCCEEDED(rv)){
|
|
|
|
// right now we can't handle having a 'type' property on attribute nodes.
|
|
|
|
// For now we'll treat this condition as not having a 'type' property
|
|
|
|
// on the given node at all. This will allow a lot of testcases to still
|
|
|
|
// work ok as the caller will usually assign a default type of
|
|
|
|
// 'xsd:string' when we return NS_ERROR_NOT_AVAILABLE here.
|
|
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
} else {
|
|
|
|
// can't have a 'type' property on anything other than an element or an
|
|
|
|
// attribute. Return failure
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
}
|
2005-02-23 01:11:51 +03:00
|
|
|
|
|
|
|
// right now type is stored as an attribute on the instance node. In the
|
|
|
|
// future it will be a property.
|
2005-02-26 00:52:59 +03:00
|
|
|
PRBool typeExists = PR_FALSE;
|
|
|
|
NS_NAMED_LITERAL_STRING(schemaInstanceURI, NS_NAMESPACE_XML_SCHEMA_INSTANCE);
|
|
|
|
NS_NAMED_LITERAL_STRING(type, "type");
|
|
|
|
nodeElem->HasAttributeNS(schemaInstanceURI, type, &typeExists);
|
|
|
|
if (!typeExists) {
|
|
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
}
|
|
|
|
|
2005-02-23 01:11:51 +03:00
|
|
|
nsAutoString typeAttribute;
|
2005-02-26 00:52:59 +03:00
|
|
|
nodeElem->GetAttributeNS(schemaInstanceURI, type, typeAttribute);
|
2005-02-23 01:11:51 +03:00
|
|
|
|
|
|
|
// split type (ns:type) into namespace and type.
|
|
|
|
PRInt32 separator = typeAttribute.FindChar(':');
|
2005-03-30 20:41:07 +04:00
|
|
|
if ((PRUint32) separator == (typeAttribute.Length() - 1)) {
|
|
|
|
const PRUnichar *strings[] = { typeAttribute.get() };
|
|
|
|
// XXX: get an element from the document this came from
|
|
|
|
ReportError(NS_LITERAL_STRING("missingTypeName"), strings, 1, nsnull, nsnull);
|
2005-02-23 01:11:51 +03:00
|
|
|
return NS_ERROR_UNEXPECTED;
|
2005-03-16 21:09:40 +03:00
|
|
|
} else if (separator == kNotFound) {
|
|
|
|
// no namespace prefix, which is valid;
|
|
|
|
aNSPrefix.AssignLiteral("");
|
|
|
|
aType.Assign(typeAttribute);
|
|
|
|
} else {
|
|
|
|
aNSPrefix.Assign(Substring(typeAttribute, 0, separator));
|
|
|
|
aType.Assign(Substring(typeAttribute, ++separator, typeAttribute.Length()));
|
2005-02-23 01:11:51 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
2005-03-30 20:41:07 +04:00
|
|
|
|
|
|
|
/* static */ void
|
|
|
|
nsXFormsUtils::ReportError(const nsString& aMessageName, const PRUnichar **aParams,
|
|
|
|
PRUint32 aParamLength, nsIDOMNode *aElement, nsIDOMNode *aContext)
|
|
|
|
{
|
|
|
|
nsCOMPtr<nsIConsoleService> consoleService =
|
|
|
|
do_GetService(NS_CONSOLESERVICE_CONTRACTID);
|
|
|
|
|
|
|
|
if (consoleService) {
|
|
|
|
nsAutoString msg;
|
|
|
|
|
|
|
|
// get the string from the bundle (xforms.properties)
|
|
|
|
nsCOMPtr<nsIStringBundleService> bundleService =
|
|
|
|
do_GetService(NS_STRINGBUNDLE_CONTRACTID);
|
|
|
|
if (!bundleService)
|
|
|
|
return;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIStringBundle> bundle;
|
|
|
|
bundleService->CreateBundle("chrome://xforms/locale/xforms.properties",
|
|
|
|
getter_AddRefs(bundle));
|
|
|
|
if (!bundle)
|
|
|
|
return;
|
|
|
|
|
|
|
|
nsXPIDLString message;
|
|
|
|
if (aParams) {
|
|
|
|
bundle->FormatStringFromName(aMessageName.get(), aParams, aParamLength,
|
|
|
|
getter_Copies(message));
|
|
|
|
msg.Append(message);
|
|
|
|
} else {
|
|
|
|
bundle->GetStringFromName(aMessageName.get(),
|
|
|
|
getter_Copies(message));
|
|
|
|
msg.Append(message);
|
|
|
|
}
|
|
|
|
|
|
|
|
// if a context was defined, we clone (not deep) it, serialize it and append
|
|
|
|
// to the message.
|
|
|
|
if (aContext) {
|
|
|
|
nsCOMPtr<nsIDOMSerializer> ds = do_GetService(NS_XMLSERIALIZER_CONTRACTID);
|
|
|
|
if (ds) {
|
|
|
|
nsAutoString contextMsg;
|
|
|
|
nsCOMPtr<nsIDOMNode> tmpNode;
|
|
|
|
// SerializeToString always does a deep serialize, so we do a non-deep
|
|
|
|
// clone so that we don't serialize any children.
|
|
|
|
aContext->CloneNode(PR_FALSE, getter_AddRefs(tmpNode));
|
|
|
|
ds->SerializeToString(tmpNode, contextMsg);
|
|
|
|
|
|
|
|
// get the context string from the properties file
|
|
|
|
const PRUnichar *params[] = { contextMsg.get() };
|
|
|
|
bundle->FormatStringFromName(NS_LITERAL_STRING("errorContext").get(),
|
|
|
|
params, 1, getter_Copies(message));
|
|
|
|
msg.Append(message);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// if aElement is defined, we use it to figure out the location of the file
|
|
|
|
// that caused the error.
|
|
|
|
if (aElement) {
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
|
|
aElement->GetOwnerDocument(getter_AddRefs(domDoc));
|
|
|
|
|
|
|
|
if (domDoc) {
|
|
|
|
nsCOMPtr<nsIDOMNSDocument> nsDoc(do_QueryInterface(domDoc));
|
|
|
|
|
|
|
|
if (nsDoc) {
|
|
|
|
nsCOMPtr<nsIDOMLocation> domLoc;
|
|
|
|
nsDoc->GetLocation(getter_AddRefs(domLoc));
|
|
|
|
|
|
|
|
if (domLoc) {
|
|
|
|
nsAutoString location;
|
|
|
|
nsresult rv = domLoc->GetHref(location);
|
|
|
|
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
|
|
// get the source string from the properties file
|
|
|
|
const PRUnichar *params[] = { location.get() };
|
|
|
|
bundle->FormatStringFromName(NS_LITERAL_STRING("errorSource").get(),
|
|
|
|
params, 1, getter_Copies(message));
|
|
|
|
msg.Append(message);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!msg.IsEmpty()) {
|
|
|
|
consoleService->LogStringMessage(msg.get());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|