зеркало из https://github.com/mozilla/pjs.git
2636 строки
77 KiB
C++
2636 строки
77 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla 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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* Allan Beaufour <abeaufour@novell.com>
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* Darin Fisher <darin@meer.net>
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* Olli Pettay <Olli.Pettay@helsinki.fi>
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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 "nsXFormsModelElement.h"
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#include "nsIXTFGenericElementWrapper.h"
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#include "nsMemory.h"
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#include "nsIDOMElement.h"
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#include "nsIDOM3Node.h"
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#include "nsIDOMNodeList.h"
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#include "nsString.h"
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#include "nsIDocument.h"
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#include "nsXFormsAtoms.h"
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#include "nsINameSpaceManager.h"
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#include "nsIServiceManager.h"
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#include "nsIDOMEvent.h"
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#include "nsIDOMDOMImplementation.h"
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#include "nsIDOMXMLDocument.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIDOMXPathResult.h"
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#include "nsIXFormsXPathEvaluator.h"
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#include "nsIDOMXPathNSResolver.h"
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#include "nsIDOMNSXPathExpression.h"
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#include "nsIContent.h"
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#include "nsIURL.h"
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#include "nsNetUtil.h"
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#include "nsIXFormsControl.h"
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#include "nsXFormsTypes.h"
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#include "nsXFormsXPathParser.h"
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#include "nsXFormsXPathAnalyzer.h"
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#include "nsIInstanceElementPrivate.h"
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#include "nsXFormsUtils.h"
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#include "nsXFormsSchemaValidator.h"
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#include "nsIXFormsUIWidget.h"
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#include "nsIAttribute.h"
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#include "nsISchemaLoader.h"
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#include "nsISchema.h"
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#include "nsAutoPtr.h"
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#include "nsArray.h"
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#include "nsIDOMDocumentXBL.h"
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#include "nsIProgrammingLanguage.h"
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#include "nsDOMError.h"
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#define XFORMS_LAZY_INSTANCE_BINDING \
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"chrome://xforms/content/xforms.xml#xforms-lazy-instance"
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#ifdef DEBUG
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//#define DEBUG_MODEL
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#endif
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//------------------------------------------------------------------------------
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// Helper function for using XPath to locate an <xsd:schema> element by
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// matching its "id" attribute. This is necessary since <xsd:schema> is
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// treated as an ordinary XML data node without an "ID" attribute.
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static void
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GetSchemaElementById(nsIDOMElement *contextNode,
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const nsString &id,
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nsIDOMElement **resultNode)
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{
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// search for an element with the given "id" attribute, and then verify
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// that the element is in the XML Schema namespace.
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nsAutoString expr;
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expr.AssignLiteral("//*[@id=\"");
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expr.Append(id);
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expr.AppendLiteral("\"]");
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nsCOMPtr<nsIDOMXPathResult> xpRes =
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nsXFormsUtils::EvaluateXPath(expr,
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contextNode,
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contextNode,
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nsIDOMXPathResult::FIRST_ORDERED_NODE_TYPE);
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if (xpRes) {
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nsCOMPtr<nsIDOMNode> node;
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xpRes->GetSingleNodeValue(getter_AddRefs(node));
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if (node) {
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nsAutoString ns;
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node->GetNamespaceURI(ns);
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if (ns.EqualsLiteral(NS_NAMESPACE_XML_SCHEMA))
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CallQueryInterface(node, resultNode);
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}
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}
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}
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//------------------------------------------------------------------------------
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static void
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DeleteVoidArray(void *aObject,
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nsIAtom *aPropertyName,
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void *aPropertyValue,
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void *aData)
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{
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delete NS_STATIC_CAST(nsVoidArray *, aPropertyValue);
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}
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static nsresult
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AddToModelList(nsIDOMDocument *domDoc, nsXFormsModelElement *model)
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{
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nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
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nsVoidArray *models =
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NS_STATIC_CAST(nsVoidArray *,
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doc->GetProperty(nsXFormsAtoms::modelListProperty));
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if (!models) {
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models = new nsVoidArray(16);
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if (!models)
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return NS_ERROR_OUT_OF_MEMORY;
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doc->SetProperty(nsXFormsAtoms::modelListProperty, models, DeleteVoidArray);
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}
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models->AppendElement(model);
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return NS_OK;
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}
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static void
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RemoveFromModelList(nsIDOMDocument *domDoc, nsXFormsModelElement *model)
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{
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nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
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nsVoidArray *models =
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NS_STATIC_CAST(nsVoidArray *,
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doc->GetProperty(nsXFormsAtoms::modelListProperty));
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if (models)
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models->RemoveElement(model);
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}
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static const nsVoidArray *
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GetModelList(nsIDOMDocument *domDoc)
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{
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nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
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return NS_STATIC_CAST(nsVoidArray *,
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doc->GetProperty(nsXFormsAtoms::modelListProperty));
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}
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static void
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SupportsDtorFunc(void *aObject, nsIAtom *aPropertyName,
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void *aPropertyValue, void *aData)
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{
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nsISupports *propertyValue = NS_STATIC_CAST(nsISupports*, aPropertyValue);
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NS_IF_RELEASE(propertyValue);
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}
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//------------------------------------------------------------------------------
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// --- nsXFormsControlListItem ---
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nsXFormsControlListItem::iterator::iterator()
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: mCur(0)
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{
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}
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nsXFormsControlListItem::iterator::iterator(const nsXFormsControlListItem::iterator& aCopy)
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: mCur(aCopy.mCur)
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{
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mStack = aCopy.mStack;
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}
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nsXFormsControlListItem::iterator
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nsXFormsControlListItem::iterator::operator=(nsXFormsControlListItem* aCnt)
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{
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mCur = aCnt;
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return *this;
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}
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bool
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nsXFormsControlListItem::iterator::operator!=(const nsXFormsControlListItem* aCnt)
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{
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return mCur != aCnt;
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}
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nsXFormsControlListItem::iterator
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nsXFormsControlListItem::iterator::operator++()
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{
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if (!mCur)
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return *this;
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if (mCur->mFirstChild) {
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if (!mCur->mNextSibling) {
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mCur = mCur->mFirstChild;
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return *this;
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}
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mStack.AppendElement(mCur->mFirstChild);
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}
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if (mCur->mNextSibling) {
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mCur = mCur->mNextSibling;
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} else if (mStack.Count()) {
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mCur = (nsXFormsControlListItem*) mStack[mStack.Count() - 1];
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mStack.RemoveElementAt(mStack.Count() - 1);
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} else {
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mCur = nsnull;
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}
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return *this;
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}
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nsXFormsControlListItem*
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nsXFormsControlListItem::iterator::operator*()
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{
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return mCur;
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}
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nsXFormsControlListItem::nsXFormsControlListItem(nsIXFormsControl* aControl)
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: mNode(aControl),
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mNextSibling(nsnull),
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mFirstChild(nsnull)
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{
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}
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nsXFormsControlListItem::~nsXFormsControlListItem()
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{
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Clear();
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}
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nsXFormsControlListItem::nsXFormsControlListItem(const nsXFormsControlListItem& aCopy)
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: mNode(aCopy.mNode)
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{
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if (aCopy.mNextSibling) {
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mNextSibling = new nsXFormsControlListItem(*aCopy.mNextSibling);
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NS_WARN_IF_FALSE(mNextSibling, "could not new?!");
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} else {
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mNextSibling = nsnull;
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}
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if (aCopy.mFirstChild) {
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mFirstChild = new nsXFormsControlListItem(*aCopy.mFirstChild);
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NS_WARN_IF_FALSE(mFirstChild, "could not new?!");
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} else {
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mFirstChild = nsnull;
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}
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}
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void
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nsXFormsControlListItem::Clear()
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{
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if (mFirstChild) {
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mFirstChild->Clear();
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NS_ASSERTION(!(mFirstChild->mFirstChild || mFirstChild->mNextSibling),
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"child did not clear members!!");
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delete mFirstChild;
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mFirstChild = nsnull;
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}
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if (mNextSibling) {
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mNextSibling->Clear();
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NS_ASSERTION(!(mNextSibling->mFirstChild || mNextSibling->mNextSibling),
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"sibling did not clear members!!");
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delete mNextSibling;
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mNextSibling = nsnull;
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}
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if (mNode)
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mNode = nsnull;
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}
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nsresult
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nsXFormsControlListItem::AddControl(nsIXFormsControl *aControl,
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nsIXFormsControl *aParent)
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{
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// Four insertion posibilities:
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// 1) Delegate to first child from root node
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if (!mNode && mFirstChild) {
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return mFirstChild->AddControl(aControl, aParent);
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}
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// 2) control with no parent
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if (!aParent) {
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nsXFormsControlListItem* newNode = new nsXFormsControlListItem(aControl);
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NS_ENSURE_STATE(newNode);
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// Empty tree (we have already checked mFirstChild)
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if (!mNode) {
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mFirstChild = newNode;
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return NS_OK;
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}
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if (mNextSibling) {
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newNode->mNextSibling = mNextSibling;
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}
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mNextSibling = newNode;
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#ifdef DEBUG
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nsXFormsControlListItem* next = newNode->mNextSibling;
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while (next) {
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NS_ASSERTION(aControl != next->mNode,
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"Node already in tree!!");
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next = next->mNextSibling;
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}
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#endif
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return NS_OK;
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}
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// Locate parent
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nsXFormsControlListItem* parentControl = FindControl(aParent);
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NS_ASSERTION(parentControl, "Parent not found?!");
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// 3) parentControl has a first child, insert as sibling to that
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if (parentControl->mFirstChild) {
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return parentControl->mFirstChild->AddControl(aControl, nsnull);
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}
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// 4) first child for parentControl
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nsXFormsControlListItem* newNode = new nsXFormsControlListItem(aControl);
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NS_ENSURE_STATE(newNode);
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parentControl->mFirstChild = newNode;
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return NS_OK;
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}
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nsresult
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nsXFormsControlListItem::RemoveControl(nsIXFormsControl *aControl,
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PRBool &aRemoved)
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{
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nsXFormsControlListItem* deleteMe = nsnull;
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aRemoved = PR_FALSE;
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// Try children
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if (mFirstChild) {
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// The control to remove is our first child
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if (mFirstChild->mNode == aControl) {
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deleteMe = mFirstChild;
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// Fix siblings
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if (deleteMe->mNextSibling) {
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mFirstChild = deleteMe->mNextSibling;
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deleteMe->mNextSibling = nsnull;
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} else {
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mFirstChild = nsnull;
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}
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// Fix children
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if (deleteMe->mFirstChild) {
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if (!mFirstChild) {
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mFirstChild = deleteMe->mFirstChild;
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} else {
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nsXFormsControlListItem *insertPos = mFirstChild;
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while (insertPos->mNextSibling) {
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insertPos = insertPos->mNextSibling;
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}
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insertPos->mNextSibling = deleteMe->mFirstChild;
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}
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deleteMe->mFirstChild = nsnull;
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}
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} else {
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// Run through children
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nsresult rv = mFirstChild->RemoveControl(aControl, aRemoved);
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NS_ENSURE_SUCCESS(rv, rv);
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if (aRemoved)
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return rv;
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}
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}
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// Try siblings
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if (!deleteMe && mNextSibling) {
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if (mNextSibling->mNode == aControl) {
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deleteMe = mNextSibling;
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// Fix siblings
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if (deleteMe->mNextSibling) {
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mNextSibling = deleteMe->mNextSibling;
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deleteMe->mNextSibling = nsnull;
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} else {
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mNextSibling = nsnull;
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}
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// Fix children
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if (deleteMe->mFirstChild) {
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if (!mNextSibling) {
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mNextSibling = deleteMe->mFirstChild;
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} else {
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nsXFormsControlListItem *insertPos = mNextSibling;
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while (insertPos->mNextSibling) {
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insertPos = insertPos->mNextSibling;
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}
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insertPos->mNextSibling = deleteMe->mFirstChild;
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}
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deleteMe->mFirstChild = nsnull;
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}
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} else {
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// run through siblings
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return mNextSibling->RemoveControl(aControl, aRemoved);
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}
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}
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if (deleteMe) {
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NS_ASSERTION(!(deleteMe->mNextSibling),
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"Deleted control should not have siblings!");
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NS_ASSERTION(!(deleteMe->mFirstChild),
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"Deleted control should not have children!");
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delete deleteMe;
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aRemoved = PR_TRUE;
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}
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return NS_OK;
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}
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nsXFormsControlListItem*
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nsXFormsControlListItem::FindControl(nsIXFormsControl *aControl)
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{
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if (!aControl)
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return nsnull;
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// this should only be false for the root
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if (mNode) {
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// XXX: *sigh* pointer comparision of nsIXFormsControl would be nice...
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nsCOMPtr<nsIDOMElement> el1, el2;
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aControl->GetElement(getter_AddRefs(el1));
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mNode->GetElement(getter_AddRefs(el2));
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if (el1 == el2)
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return this;
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}
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nsXFormsControlListItem* cur = nsnull;
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if (mFirstChild) {
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cur = mFirstChild->FindControl(aControl);
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}
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if (!cur && mNextSibling) {
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cur = mNextSibling->FindControl(aControl);
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}
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return cur;
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}
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already_AddRefed<nsIXFormsControl>
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nsXFormsControlListItem::Control()
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{
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nsIXFormsControl* res = nsnull;
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if (mNode)
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NS_ADDREF(res = mNode);
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NS_WARN_IF_FALSE(res, "Returning nsnull for a control. Bad sign.");
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return res;
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}
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nsXFormsControlListItem*
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nsXFormsControlListItem::begin()
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{
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// handle root
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if (!mNode)
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return mFirstChild;
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return this;
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}
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nsXFormsControlListItem*
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nsXFormsControlListItem::end()
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{
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return nsnull;
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}
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//------------------------------------------------------------------------------
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static const nsIID sScriptingIIDs[] = {
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NS_IDOMELEMENT_IID,
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NS_IDOMEVENTTARGET_IID,
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NS_IDOM3NODE_IID,
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NS_IXFORMSMODELELEMENT_IID,
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NS_IXFORMSNSMODELELEMENT_IID
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};
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static nsIAtom* sModelPropsList[eModel__count];
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// This can be nsVoidArray because elements will remove
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// themselves from the list if they are deleted during refresh.
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static nsVoidArray* sPostRefreshList = nsnull;
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static PRInt32 sRefreshing = 0;
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nsPostRefresh::nsPostRefresh()
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{
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#ifdef DEBUG_smaug
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printf("nsPostRefresh\n");
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#endif
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++sRefreshing;
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}
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nsPostRefresh::~nsPostRefresh()
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{
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#ifdef DEBUG_smaug
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printf("~nsPostRefresh\n");
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#endif
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--sRefreshing;
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if (sPostRefreshList && !sRefreshing) {
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while (sPostRefreshList->Count()) {
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// Iterating this way because refresh can lead to
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// additions/deletions in sPostRefreshList.
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// Iterating from last to first saves possibly few memcopies,
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// see nsVoidArray::RemoveElementsAt().
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PRInt32 last = sPostRefreshList->Count() - 1;
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nsIXFormsControl* control =
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NS_STATIC_CAST(nsIXFormsControl*, sPostRefreshList->ElementAt(last));
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sPostRefreshList->RemoveElementAt(last);
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if (control)
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control->Refresh();
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}
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delete sPostRefreshList;
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sPostRefreshList = nsnull;
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}
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}
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|
|
|
const nsVoidArray*
|
|
nsPostRefresh::PostRefreshList()
|
|
{
|
|
return sPostRefreshList;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::NeedsPostRefresh(nsIXFormsControl* aControl)
|
|
{
|
|
if (sRefreshing) {
|
|
if (!sPostRefreshList) {
|
|
sPostRefreshList = new nsVoidArray();
|
|
NS_ENSURE_TRUE(sPostRefreshList, NS_ERROR_OUT_OF_MEMORY);
|
|
}
|
|
|
|
if (sPostRefreshList->IndexOf(aControl) < 0) {
|
|
sPostRefreshList->AppendElement(aControl);
|
|
}
|
|
} else {
|
|
// We are not refreshing any models, so the control
|
|
// can be refreshed immediately.
|
|
aControl->Refresh();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsXFormsModelElement::CancelPostRefresh(nsIXFormsControl* aControl)
|
|
{
|
|
if (sPostRefreshList)
|
|
sPostRefreshList->RemoveElement(aControl);
|
|
}
|
|
|
|
nsXFormsModelElement::nsXFormsModelElement()
|
|
: mElement(nsnull),
|
|
mFormControls(nsnull),
|
|
mSchemaCount(0),
|
|
mSchemaTotal(0),
|
|
mPendingInstanceCount(0),
|
|
mDocumentLoaded(PR_FALSE),
|
|
mNeedsRefresh(PR_FALSE),
|
|
mInstancesInitialized(PR_FALSE),
|
|
mReadyHandled(PR_FALSE),
|
|
mInstanceDocuments(nsnull),
|
|
mLazyModel(PR_FALSE),
|
|
mConstructDoneHandled(PR_FALSE)
|
|
{
|
|
}
|
|
|
|
NS_INTERFACE_MAP_BEGIN(nsXFormsModelElement)
|
|
NS_INTERFACE_MAP_ENTRY(nsIXFormsModelElement)
|
|
NS_INTERFACE_MAP_ENTRY(nsIXFormsNSModelElement)
|
|
NS_INTERFACE_MAP_ENTRY(nsIModelElementPrivate)
|
|
NS_INTERFACE_MAP_ENTRY(nsISchemaLoadListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWebServiceErrorHandler)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMEventListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIXFormsContextControl)
|
|
NS_INTERFACE_MAP_END_INHERITING(nsXFormsStubElement)
|
|
|
|
NS_IMPL_ADDREF_INHERITED(nsXFormsModelElement, nsXFormsStubElement)
|
|
NS_IMPL_RELEASE_INHERITED(nsXFormsModelElement, nsXFormsStubElement)
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::OnDestroyed()
|
|
{
|
|
RemoveModelFromDocument();
|
|
|
|
mElement = nsnull;
|
|
mSchemas = nsnull;
|
|
|
|
if (mInstanceDocuments)
|
|
mInstanceDocuments->DropReferences();
|
|
|
|
mFormControls.Clear();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsXFormsModelElement::RemoveModelFromDocument()
|
|
{
|
|
mDocumentLoaded = PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
mElement->GetOwnerDocument(getter_AddRefs(domDoc));
|
|
if (!domDoc)
|
|
return;
|
|
|
|
RemoveFromModelList(domDoc, this);
|
|
|
|
nsCOMPtr<nsIDOMEventTarget> targ = do_QueryInterface(domDoc);
|
|
if (targ) {
|
|
targ->RemoveEventListener(NS_LITERAL_STRING("DOMContentLoaded"), this, PR_TRUE);
|
|
|
|
nsCOMPtr<nsIDOMWindowInternal> window;
|
|
nsXFormsUtils::GetWindowFromDocument(domDoc, getter_AddRefs(window));
|
|
targ = do_QueryInterface(window);
|
|
if (targ) {
|
|
targ->RemoveEventListener(NS_LITERAL_STRING("unload"), this, PR_TRUE);
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetScriptingInterfaces(PRUint32 *aCount, nsIID ***aArray)
|
|
{
|
|
return nsXFormsUtils::CloneScriptingInterfaces(sScriptingIIDs,
|
|
NS_ARRAY_LENGTH(sScriptingIIDs),
|
|
aCount, aArray);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::WillChangeDocument(nsIDOMDocument* aNewDocument)
|
|
{
|
|
RemoveModelFromDocument();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::DocumentChanged(nsIDOMDocument* aNewDocument)
|
|
{
|
|
if (!aNewDocument)
|
|
return NS_OK;
|
|
|
|
AddToModelList(aNewDocument, this);
|
|
|
|
nsCOMPtr<nsIDOMEventTarget> targ = do_QueryInterface(aNewDocument);
|
|
if (targ) {
|
|
targ->AddEventListener(NS_LITERAL_STRING("DOMContentLoaded"), this, PR_TRUE);
|
|
|
|
nsCOMPtr<nsIDOMWindowInternal> window;
|
|
nsXFormsUtils::GetWindowFromDocument(aNewDocument, getter_AddRefs(window));
|
|
targ = do_QueryInterface(window);
|
|
if (targ) {
|
|
targ->AddEventListener(NS_LITERAL_STRING("unload"), this, PR_TRUE);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::DoneAddingChildren()
|
|
{
|
|
return InitializeInstances();
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::InitializeInstances()
|
|
{
|
|
if (mInstancesInitialized || !mElement) {
|
|
return NS_OK;
|
|
}
|
|
|
|
mInstancesInitialized = PR_TRUE;
|
|
|
|
nsCOMPtr<nsIDOMNodeList> children;
|
|
mElement->GetChildNodes(getter_AddRefs(children));
|
|
|
|
PRUint32 childCount = 0;
|
|
if (children) {
|
|
children->GetLength(&childCount);
|
|
}
|
|
|
|
for (PRUint32 i = 0; i < childCount; ++i) {
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
children->Item(i, getter_AddRefs(child));
|
|
if (nsXFormsUtils::IsXFormsElement(child, NS_LITERAL_STRING("instance"))) {
|
|
nsCOMPtr<nsIInstanceElementPrivate> instance(do_QueryInterface(child));
|
|
if (instance) {
|
|
instance->Initialize();
|
|
}
|
|
}
|
|
}
|
|
|
|
// (XForms 4.2.1)
|
|
// 1. load xml schemas
|
|
|
|
nsAutoString schemaList;
|
|
mElement->GetAttribute(NS_LITERAL_STRING("schema"), schemaList);
|
|
|
|
if (!schemaList.IsEmpty()) {
|
|
NS_ENSURE_TRUE(mSchemas, NS_ERROR_FAILURE);
|
|
// Parse the whitespace-separated list.
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(mElement);
|
|
nsRefPtr<nsIURI> baseURI = content->GetBaseURI();
|
|
nsRefPtr<nsIURI> docURI = content->GetOwnerDoc() ?
|
|
content->GetOwnerDoc()->GetDocumentURI() : nsnull;
|
|
|
|
nsCStringArray schemas;
|
|
schemas.ParseString(NS_ConvertUTF16toUTF8(schemaList).get(), " \t\r\n");
|
|
|
|
// Increase by 1 to prevent OnLoad from calling FinishConstruction
|
|
mSchemaTotal = schemas.Count();
|
|
|
|
for (PRInt32 i=0; i<mSchemaTotal; ++i) {
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIURI> newURI;
|
|
NS_NewURI(getter_AddRefs(newURI), *schemas[i], nsnull, baseURI);
|
|
nsCOMPtr<nsIURL> newURL = do_QueryInterface(newURI);
|
|
if (!newURL) {
|
|
rv = NS_ERROR_UNEXPECTED;
|
|
} else {
|
|
// This code is copied from nsXMLEventsManager for extracting an
|
|
// element ID from an xsd:anyURI link.
|
|
nsCAutoString ref;
|
|
newURL->GetRef(ref);
|
|
newURL->SetRef(EmptyCString());
|
|
PRBool equals = PR_FALSE;
|
|
newURL->Equals(docURI, &equals);
|
|
if (equals) {
|
|
// We will not be able to locate the <xsd:schema> element using the
|
|
// getElementById function defined on our document when <xsd:schema>
|
|
// is treated as an ordinary XML data node. So, we employ XPath to
|
|
// locate it for us.
|
|
|
|
NS_ConvertUTF8toUTF16 id(ref);
|
|
|
|
nsCOMPtr<nsIDOMElement> el;
|
|
GetSchemaElementById(mElement, id, getter_AddRefs(el));
|
|
if (!el) {
|
|
// Perhaps the <xsd:schema> element appears after the <xforms:model>
|
|
// element in the document, so we'll defer loading it until the
|
|
// document has finished loading.
|
|
mPendingInlineSchemas.AppendString(id);
|
|
} else {
|
|
nsCOMPtr<nsISchema> schema;
|
|
// no need to observe errors via the callback. instead, rely on
|
|
// this method returning a failure code when it encounters errors.
|
|
rv = mSchemas->ProcessSchemaElement(el, nsnull,
|
|
getter_AddRefs(schema));
|
|
if (NS_SUCCEEDED(rv))
|
|
mSchemaCount++;
|
|
}
|
|
} else {
|
|
nsCAutoString uriSpec;
|
|
newURI->GetSpec(uriSpec);
|
|
rv = mSchemas->LoadAsync(NS_ConvertUTF8toUTF16(uriSpec), this);
|
|
}
|
|
}
|
|
if (NS_FAILED(rv)) {
|
|
// this is a fatal error
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("schemaLoadError"), mElement);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_LinkException);
|
|
rv = NS_OK;
|
|
if (!nsXFormsUtils::HandleFatalError(mElement,
|
|
NS_LITERAL_STRING("XFormsLinkException"))) {
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
return rv;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If all of the children are added and there aren't any instance elements,
|
|
// yet, then we need to make sure that one is ready in case the form author
|
|
// is using lazy authoring.
|
|
// Lazy <xforms:intance> element is created in anonymous content using XBL.
|
|
NS_ENSURE_STATE(mInstanceDocuments);
|
|
PRUint32 instCount;
|
|
mInstanceDocuments->GetLength(&instCount);
|
|
if (!instCount) {
|
|
#ifdef DEBUG
|
|
printf("Creating lazy instance\n");
|
|
#endif
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
mElement->GetOwnerDocument(getter_AddRefs(domDoc));
|
|
nsCOMPtr<nsIDOMDocumentXBL> xblDoc(do_QueryInterface(domDoc));
|
|
if (xblDoc) {
|
|
nsresult rv =
|
|
xblDoc->AddBinding(mElement,
|
|
NS_LITERAL_STRING(XFORMS_LAZY_INSTANCE_BINDING));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mInstanceDocuments->GetLength(&instCount);
|
|
|
|
nsCOMPtr<nsIDOMNodeList> list;
|
|
xblDoc->GetAnonymousNodes(mElement, getter_AddRefs(list));
|
|
if (list) {
|
|
PRUint32 childCount = 0;
|
|
if (list) {
|
|
list->GetLength(&childCount);
|
|
}
|
|
|
|
for (PRUint32 i = 0; i < childCount; ++i) {
|
|
nsCOMPtr<nsIDOMNode> item;
|
|
list->Item(i, getter_AddRefs(item));
|
|
nsCOMPtr<nsIInstanceElementPrivate> instance =
|
|
do_QueryInterface(item);
|
|
if (instance) {
|
|
rv = instance->Initialize();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mLazyModel = PR_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
NS_WARN_IF_FALSE(mLazyModel, "Installing lazy instance didn't succeed!");
|
|
}
|
|
|
|
// (XForms 4.2.1 - cont)
|
|
// 2. construct an XPath data model from inline or external initial instance
|
|
// data. This is done by our child instance elements as they are inserted
|
|
// into the document, and all of the instances will be processed by this
|
|
// point.
|
|
|
|
// schema and external instance data loads should delay document onload
|
|
|
|
if (IsComplete()) {
|
|
// No need to fire refresh event if we assume that all UI controls
|
|
// appear later in the document.
|
|
NS_ASSERTION(!mDocumentLoaded, "document should not be loaded yet");
|
|
return FinishConstruction();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::HandleDefault(nsIDOMEvent *aEvent, PRBool *aHandled)
|
|
{
|
|
if (!nsXFormsUtils::EventHandlingAllowed(aEvent, mElement))
|
|
return NS_OK;
|
|
|
|
*aHandled = PR_TRUE;
|
|
|
|
nsAutoString type;
|
|
aEvent->GetType(type);
|
|
nsresult rv = NS_OK;
|
|
|
|
if (type.EqualsASCII(sXFormsEventsEntries[eEvent_Refresh].name)) {
|
|
rv = Refresh();
|
|
} else if (type.EqualsASCII(sXFormsEventsEntries[eEvent_Revalidate].name)) {
|
|
rv = Revalidate();
|
|
} else if (type.EqualsASCII(sXFormsEventsEntries[eEvent_Recalculate].name)) {
|
|
rv = Recalculate();
|
|
} else if (type.EqualsASCII(sXFormsEventsEntries[eEvent_Rebuild].name)) {
|
|
rv = Rebuild();
|
|
} else if (type.EqualsASCII(sXFormsEventsEntries[eEvent_ModelConstructDone].name)) {
|
|
rv = ConstructDone();
|
|
mConstructDoneHandled = PR_TRUE;
|
|
} else if (type.EqualsASCII(sXFormsEventsEntries[eEvent_Reset].name)) {
|
|
Reset();
|
|
} else if (type.EqualsASCII(sXFormsEventsEntries[eEvent_BindingException].name)) {
|
|
*aHandled = nsXFormsUtils::HandleFatalError(mElement,
|
|
NS_LITERAL_STRING("XFormsBindingException"));
|
|
} else {
|
|
*aHandled = PR_FALSE;
|
|
}
|
|
|
|
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv),
|
|
"nsXFormsModelElement::HandleDefault() failed!\n");
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::ConstructDone()
|
|
{
|
|
nsresult rv = InitializeControls();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::OnCreated(nsIXTFGenericElementWrapper *aWrapper)
|
|
{
|
|
aWrapper->SetNotificationMask(nsIXTFElement::NOTIFY_WILL_CHANGE_DOCUMENT |
|
|
nsIXTFElement::NOTIFY_DOCUMENT_CHANGED |
|
|
nsIXTFElement::NOTIFY_DONE_ADDING_CHILDREN |
|
|
nsIXTFElement::NOTIFY_HANDLE_DEFAULT);
|
|
|
|
nsCOMPtr<nsIDOMElement> node;
|
|
aWrapper->GetElementNode(getter_AddRefs(node));
|
|
|
|
// It's ok to keep a weak pointer to mElement. mElement will have an
|
|
// owning reference to this object, so as long as we null out mElement in
|
|
// OnDestroyed, it will always be valid.
|
|
|
|
mElement = node;
|
|
NS_ASSERTION(mElement, "Wrapper is not an nsIDOMElement, we'll crash soon");
|
|
|
|
nsresult rv = mMDG.Init(this);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mSchemas = do_CreateInstance(NS_SCHEMALOADER_CONTRACTID);
|
|
|
|
mInstanceDocuments = new nsXFormsModelInstanceDocuments();
|
|
NS_ASSERTION(mInstanceDocuments, "could not create mInstanceDocuments?!");
|
|
|
|
// Initialize hash tables
|
|
NS_ENSURE_TRUE(mNodeToType.Init(), NS_ERROR_OUT_OF_MEMORY);
|
|
NS_ENSURE_TRUE(mNodeToP3PType.Init(), NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// nsIXFormsModelElement
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetInstanceDocuments(nsIDOMNodeList **aDocuments)
|
|
{
|
|
NS_ENSURE_STATE(mInstanceDocuments);
|
|
NS_ENSURE_ARG_POINTER(aDocuments);
|
|
NS_ADDREF(*aDocuments = mInstanceDocuments);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetInstanceDocument(const nsAString& aInstanceID,
|
|
nsIDOMDocument **aDocument)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aDocument);
|
|
|
|
*aDocument = FindInstanceDocument(aInstanceID).get(); // transfer reference
|
|
|
|
if (*aDocument) {
|
|
return NS_OK;
|
|
}
|
|
|
|
const nsPromiseFlatString& flat = PromiseFlatString(aInstanceID);
|
|
const PRUnichar *strings[] = { flat.get() };
|
|
nsXFormsUtils::ReportError(aInstanceID.IsEmpty() ?
|
|
NS_LITERAL_STRING("defInstanceNotFound") :
|
|
NS_LITERAL_STRING("instanceNotFound"),
|
|
strings, 1, mElement, nsnull);
|
|
return NS_ERROR_DOM_NOT_FOUND_ERR;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::Rebuild()
|
|
{
|
|
#ifdef DEBUG
|
|
printf("nsXFormsModelElement::Rebuild()\n");
|
|
#endif
|
|
|
|
// 1 . Clear graph
|
|
nsresult rv;
|
|
rv = mMDG.Clear();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Clear any type information
|
|
NS_ENSURE_TRUE(mNodeToType.IsInitialized() && mNodeToP3PType.IsInitialized(),
|
|
NS_ERROR_FAILURE);
|
|
mNodeToType.Clear();
|
|
mNodeToP3PType.Clear();
|
|
|
|
// 2. Process bind elements
|
|
rv = ProcessBindElements();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// 3. Re-attach all elements
|
|
if (mDocumentLoaded) { // if it's not during initializing phase
|
|
nsXFormsControlListItem::iterator it;
|
|
for (it = mFormControls.begin(); it != mFormControls.end(); ++it) {
|
|
nsCOMPtr<nsIXFormsControl> control = (*it)->Control();
|
|
NS_ASSERTION(control, "mFormControls has null control?!");
|
|
|
|
// run bind to reset mBoundNode for all of the model's controls
|
|
control->Bind();
|
|
}
|
|
|
|
// Triggers a refresh of all controls
|
|
mNeedsRefresh = PR_TRUE;
|
|
}
|
|
|
|
// 4. Rebuild graph
|
|
return mMDG.Rebuild();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::Recalculate()
|
|
{
|
|
#ifdef DEBUG
|
|
printf("nsXFormsModelElement::Recalculate()\n");
|
|
#endif
|
|
|
|
return mMDG.Recalculate(&mChangedNodes);
|
|
}
|
|
|
|
void
|
|
nsXFormsModelElement::SetSingleState(nsIDOMElement *aElement,
|
|
PRBool aState,
|
|
nsXFormsEvent aOnEvent)
|
|
{
|
|
nsXFormsEvent event = aState ? aOnEvent : (nsXFormsEvent) (aOnEvent + 1);
|
|
|
|
// Dispatch event
|
|
nsXFormsUtils::DispatchEvent(aElement, event);
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::SetStatesInternal(nsIXFormsControl *aControl,
|
|
nsIDOMNode *aNode,
|
|
PRBool aDispatchEvents)
|
|
{
|
|
NS_ENSURE_ARG(aControl);
|
|
if (!aNode)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
aControl->GetElement(getter_AddRefs(element));
|
|
NS_ENSURE_STATE(element);
|
|
|
|
nsCOMPtr<nsIXTFElementWrapper> xtfWrap(do_QueryInterface(element));
|
|
NS_ENSURE_STATE(xtfWrap);
|
|
|
|
const nsXFormsNodeState *ns = mMDG.GetNodeState(aNode);
|
|
NS_ENSURE_STATE(ns);
|
|
|
|
nsresult rv = xtfWrap->SetIntrinsicState(ns->GetIntrinsicState());
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (!aDispatchEvents)
|
|
return NS_OK;
|
|
|
|
if (ns->ShouldDispatchValid()) {
|
|
SetSingleState(element, ns->IsValid(), eEvent_Valid);
|
|
}
|
|
if (ns->ShouldDispatchReadonly()) {
|
|
SetSingleState(element, ns->IsReadonly(), eEvent_Readonly);
|
|
}
|
|
if (ns->ShouldDispatchRequired()) {
|
|
SetSingleState(element, ns->IsRequired(), eEvent_Required);
|
|
}
|
|
if (ns->ShouldDispatchRelevant()) {
|
|
SetSingleState(element, ns->IsRelevant(), eEvent_Enabled);
|
|
}
|
|
|
|
if (ns->ShouldDispatchValueChanged()) {
|
|
nsXFormsUtils::DispatchEvent(element, eEvent_ValueChanged);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::Revalidate()
|
|
{
|
|
#ifdef DEBUG
|
|
printf("nsXFormsModelElement::Revalidate()\n");
|
|
#endif
|
|
|
|
#ifdef DEBUG_MODEL
|
|
printf("[%s] Changed nodes:\n", __TIME__);
|
|
for (PRInt32 j = 0; j < mChangedNodes.Count(); ++j) {
|
|
nsCOMPtr<nsIDOMNode> node = mChangedNodes[j];
|
|
nsAutoString name;
|
|
node->GetNodeName(name);
|
|
printf("\t%s [%p]\n",
|
|
NS_ConvertUTF16toUTF8(name).get(),
|
|
(void*) node);
|
|
}
|
|
#endif
|
|
|
|
// Revalidate nodes
|
|
mMDG.Revalidate(&mChangedNodes);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::RefreshSubTree(nsXFormsControlListItem *aCurrent,
|
|
PRBool aForceRebind)
|
|
{
|
|
nsresult rv;
|
|
|
|
while (aCurrent) {
|
|
nsCOMPtr<nsIXFormsControl> control(aCurrent->Control());
|
|
NS_ASSERTION(control, "A tree node without a control?!");
|
|
|
|
// Get bound node
|
|
nsCOMPtr<nsIDOMNode> boundNode;
|
|
control->GetBoundNode(getter_AddRefs(boundNode));
|
|
|
|
PRBool rebind = aForceRebind;
|
|
PRBool refresh = PR_FALSE;
|
|
PRBool rebindChildren = PR_FALSE;
|
|
|
|
#ifdef DEBUG_MODEL
|
|
nsCOMPtr<nsIDOMElement> controlElement;
|
|
control->GetElement(getter_AddRefs(controlElement));
|
|
printf("rebind: %d, mNeedsRefresh: %d, rebindChildren: %d\n",
|
|
rebind, mNeedsRefresh, rebindChildren);
|
|
if (controlElement) {
|
|
printf("Checking control: ");
|
|
//DBG_TAGINFO(controlElement);
|
|
}
|
|
#endif
|
|
|
|
if (mNeedsRefresh || rebind) {
|
|
refresh = PR_TRUE;
|
|
} else {
|
|
PRBool usesModelBinding = PR_FALSE;
|
|
control->GetUsesModelBinding(&usesModelBinding);
|
|
|
|
#ifdef DEBUG_MODEL
|
|
printf("usesModelBinding: %d\n", usesModelBinding);
|
|
#endif
|
|
|
|
nsCOMArray<nsIDOMNode> *deps = nsnull;
|
|
if (usesModelBinding) {
|
|
if (!boundNode) {
|
|
// If a control uses a model binding, but has no bound node a
|
|
// rebuild is the only thing that'll (eventually) change it
|
|
aCurrent = aCurrent->NextSibling();
|
|
continue;
|
|
}
|
|
} else {
|
|
// Get dependencies
|
|
control->GetDependencies(&deps);
|
|
}
|
|
PRUint32 depCount = deps ? deps->Count() : 0;
|
|
|
|
#ifdef DEBUG_MODEL
|
|
nsAutoString boundName;
|
|
if (boundNode)
|
|
boundNode->GetNodeName(boundName);
|
|
printf("\tDependencies: %d, Bound to: '%s' [%p]\n",
|
|
depCount,
|
|
NS_ConvertUTF16toUTF8(boundName).get(),
|
|
(void*) boundNode);
|
|
|
|
nsAutoString depNodeName;
|
|
for (PRUint32 t = 0; t < depCount; ++t) {
|
|
nsCOMPtr<nsIDOMNode> tmpdep = deps->ObjectAt(t);
|
|
if (tmpdep) {
|
|
tmpdep->GetNodeName(depNodeName);
|
|
printf("\t\t%s [%p]\n",
|
|
NS_ConvertUTF16toUTF8(depNodeName).get(),
|
|
(void*) tmpdep);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
nsCOMPtr<nsIDOM3Node> curChanged;
|
|
|
|
// Iterator over changed nodes. Checking for rebind, too. If it ever
|
|
// becomes true due to some condition below, we can stop this testing
|
|
// since any control that needs to rebind will also refresh.
|
|
for (PRInt32 j = 0; j < mChangedNodes.Count() && !rebind; ++j) {
|
|
curChanged = do_QueryInterface(mChangedNodes[j]);
|
|
|
|
// Check whether the bound node is dirty. If so, we need to refresh the
|
|
// control (get updated node value from the bound node)
|
|
if (!refresh && boundNode) {
|
|
curChanged->IsSameNode(boundNode, &refresh);
|
|
|
|
// Two ways to go here. Keep in mind that controls using model
|
|
// binding expressions never needs to have dependencies checked as
|
|
// they only rebind on xforms-rebuild
|
|
if (refresh && usesModelBinding) {
|
|
// 1) If the control needs a refresh, and uses model bindings,
|
|
// we can stop checking here
|
|
break;
|
|
}
|
|
if (refresh || usesModelBinding) {
|
|
// 2) If either the control needs a refresh or it uses a model
|
|
// binding we can continue to next changed node
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Check whether any dependencies are dirty. If so, we need to rebind
|
|
// the control (re-evaluate it's binding expression)
|
|
for (PRUint32 k = 0; k < depCount; ++k) {
|
|
/// @note beaufour: I'm not too happy about this ...
|
|
/// O(mChangedNodes.Count() * deps->Count()), but using the pointers
|
|
/// for sorting and comparing does not work...
|
|
curChanged->IsSameNode(deps->ObjectAt(k), &rebind);
|
|
if (rebind)
|
|
// We need to rebind the control, no need to check any more
|
|
break;
|
|
}
|
|
}
|
|
#ifdef DEBUG_MODEL
|
|
printf("\trebind: %d, refresh: %d\n", rebind, refresh);
|
|
#endif
|
|
}
|
|
|
|
// Handle rebinding
|
|
if (rebind) {
|
|
nsCOMPtr<nsIDOMNode> oldBoundNode;
|
|
control->GetBoundNode(getter_AddRefs(oldBoundNode));
|
|
rv = control->Bind();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
control->GetBoundNode(getter_AddRefs(boundNode));
|
|
rebindChildren = (oldBoundNode != boundNode);
|
|
}
|
|
|
|
// Handle refreshing
|
|
if (rebind || refresh) {
|
|
rv = SetStatesInternal(control, boundNode);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
control->Refresh();
|
|
// XXX: we should really check the return result, but f.x. select1
|
|
// returns error because of no widget...? so we should ensure that an
|
|
// error is only returned when there actually is an error, and we should
|
|
// report that on the console... possibly we should then continue,
|
|
// instead of bailing totally.
|
|
// NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
// Refresh children
|
|
rv = RefreshSubTree(aCurrent->FirstChild(), rebindChildren);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
aCurrent = aCurrent->NextSibling();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::Refresh()
|
|
{
|
|
#ifdef DEBUG
|
|
printf("nsXFormsModelElement::Refresh()\n");
|
|
#endif
|
|
nsPostRefresh postRefresh = nsPostRefresh();
|
|
|
|
if (!mDocumentLoaded) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// Kick off refreshing on root node
|
|
nsresult rv = RefreshSubTree(mFormControls.FirstChild(), PR_FALSE);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Clear refresh structures
|
|
mChangedNodes.Clear();
|
|
mNeedsRefresh = PR_FALSE;
|
|
mMDG.ClearDispatchFlags();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// nsISchemaLoadListener
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::OnLoad(nsISchema* aSchema)
|
|
{
|
|
mSchemaCount++;
|
|
|
|
if (IsComplete()) {
|
|
nsresult rv = FinishConstruction();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
MaybeNotifyCompletion();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// nsIWebServiceErrorHandler
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::OnError(nsresult aStatus,
|
|
const nsAString &aStatusMessage)
|
|
{
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("schemaLoadError"), mElement);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_LinkException);
|
|
return NS_OK;
|
|
}
|
|
|
|
// nsIDOMEventListener
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::HandleEvent(nsIDOMEvent* aEvent)
|
|
{
|
|
if (!nsXFormsUtils::EventHandlingAllowed(aEvent, mElement))
|
|
return NS_OK;
|
|
|
|
nsAutoString type;
|
|
aEvent->GetType(type);
|
|
|
|
if (type.EqualsLiteral("DOMContentLoaded")) {
|
|
return HandleLoad(aEvent);
|
|
}else if (type.EqualsLiteral("unload")) {
|
|
return HandleUnload(aEvent);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// nsIModelElementPrivate
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::AddFormControl(nsIXFormsControl *aControl,
|
|
nsIXFormsControl *aParent)
|
|
{
|
|
NS_ENSURE_ARG(aControl);
|
|
return mFormControls.AddControl(aControl, aParent);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::RemoveFormControl(nsIXFormsControl *aControl)
|
|
{
|
|
NS_ENSURE_ARG(aControl);
|
|
PRBool removed;
|
|
nsresult rv = mFormControls.RemoveControl(aControl, removed);
|
|
NS_WARN_IF_FALSE(removed,
|
|
"Tried to remove control that was not in the model");
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetTypeForControl(nsIXFormsControl *aControl,
|
|
nsISchemaType **aType)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aType);
|
|
*aType = nsnull;
|
|
|
|
nsCOMPtr<nsIDOMNode> boundNode;
|
|
aControl->GetBoundNode(getter_AddRefs(boundNode));
|
|
if (!boundNode) {
|
|
// if the control isn't bound to instance data, it doesn't make sense to
|
|
// return a type. It is perfectly valid for there to be no bound node,
|
|
// so no need to use an NS_ENSURE_xxx macro, either.
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsAutoString schemaTypeName, schemaTypeNamespace;
|
|
nsresult rv = GetTypeAndNSFromNode(boundNode, schemaTypeName,
|
|
schemaTypeNamespace);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsXFormsSchemaValidator validator;
|
|
|
|
nsCOMPtr<nsISchemaCollection> schemaColl = do_QueryInterface(mSchemas);
|
|
if (schemaColl) {
|
|
nsCOMPtr<nsISchema> schema;
|
|
schemaColl->GetSchema(schemaTypeNamespace, getter_AddRefs(schema));
|
|
// if no schema found, then we will only handle built-in types.
|
|
if (schema)
|
|
validator.LoadSchema(schema);
|
|
}
|
|
|
|
return validator.GetType(schemaTypeName, schemaTypeNamespace, aType);
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsXFormsModelElement::GetTypeAndNSFromNode(nsIDOMNode *aInstanceData,
|
|
nsAString &aType, nsAString &aNSUri)
|
|
{
|
|
nsresult rv = GetTypeFromNode(aInstanceData, aType, aNSUri);
|
|
|
|
if (rv == NS_ERROR_NOT_AVAILABLE) {
|
|
// if there is no type assigned, then assume that the type is 'string'
|
|
aNSUri.Assign(NS_LITERAL_STRING(NS_NAMESPACE_XML_SCHEMA));
|
|
aType.Assign(NS_LITERAL_STRING("string"));
|
|
rv = NS_OK;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::InstanceLoadStarted()
|
|
{
|
|
++mPendingInstanceCount;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::InstanceLoadFinished(PRBool aSuccess)
|
|
{
|
|
if (!aSuccess) {
|
|
// This will leave mPendingInstanceCount in an invalid state, which is
|
|
// exactly what we want, because this is a fatal error, and processing
|
|
// should stop. If we decrease mPendingInstanceCount, the model would
|
|
// finish construction, which is wrong.
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("instanceLoadError"), mElement);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_LinkException);
|
|
return NS_OK;
|
|
}
|
|
|
|
--mPendingInstanceCount;
|
|
if (IsComplete()) {
|
|
nsresult rv = FinishConstruction();
|
|
if (NS_SUCCEEDED(rv)) {
|
|
MaybeNotifyCompletion();
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::FindInstanceElement(const nsAString &aID,
|
|
nsIInstanceElementPrivate **aElement)
|
|
{
|
|
NS_ENSURE_STATE(mInstanceDocuments);
|
|
*aElement = nsnull;
|
|
|
|
PRUint32 instCount;
|
|
mInstanceDocuments->GetLength(&instCount);
|
|
if (instCount) {
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
nsAutoString id;
|
|
for (PRUint32 i = 0; i < instCount; ++i) {
|
|
nsIInstanceElementPrivate* instEle = mInstanceDocuments->GetInstanceAt(i);
|
|
instEle->GetElement(getter_AddRefs(element));
|
|
|
|
if (aID.IsEmpty()) {
|
|
NS_ADDREF(instEle);
|
|
*aElement = instEle;
|
|
break;
|
|
} else if (!element) {
|
|
// this should only happen if the instance on the list is lazy authored
|
|
// and as far as I can tell, a lazy authored instance should be the
|
|
// first (and only) instance in the model and unable to have an ID.
|
|
// But that isn't clear to me reading the spec, so for now
|
|
// we'll play it safe in case the WG more clearly defines lazy authoring
|
|
// in the future.
|
|
continue;
|
|
}
|
|
|
|
element->GetAttribute(NS_LITERAL_STRING("id"), id);
|
|
if (aID.Equals(id)) {
|
|
NS_ADDREF(instEle);
|
|
*aElement = instEle;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::SetNodeValue(nsIDOMNode *aContextNode,
|
|
const nsAString &aNodeValue,
|
|
PRBool *aNodeChanged)
|
|
{
|
|
return mMDG.SetNodeValue(aContextNode,
|
|
aNodeValue,
|
|
aNodeChanged);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetNodeValue(nsIDOMNode *aContextNode,
|
|
nsAString &aNodeValue)
|
|
{
|
|
return mMDG.GetNodeValue(aContextNode,
|
|
aNodeValue);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::SetNodeContent(nsIDOMNode *aContextNode,
|
|
nsIDOMNode *aNodeContent,
|
|
PRBool *aNodeChanged)
|
|
{
|
|
return mMDG.SetNodeContent(aContextNode,
|
|
aNodeContent,
|
|
aNodeChanged);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::ValidateNode(nsIDOMNode *aInstanceNode, PRBool *aResult)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
|
|
nsAutoString schemaTypeName, schemaTypeNamespace;
|
|
nsresult rv = GetTypeAndNSFromNode(aInstanceNode, schemaTypeName,
|
|
schemaTypeNamespace);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsXFormsSchemaValidator validator;
|
|
nsCOMPtr<nsISchemaCollection> schemaColl = do_QueryInterface(mSchemas);
|
|
if (schemaColl) {
|
|
nsCOMPtr<nsISchema> schema;
|
|
schemaColl->GetSchema(schemaTypeNamespace, getter_AddRefs(schema));
|
|
// if no schema found, then we will only handle built-in types.
|
|
if (schema)
|
|
validator.LoadSchema(schema);
|
|
}
|
|
|
|
nsAutoString value;
|
|
nsXFormsUtils::GetNodeValue(aInstanceNode, value);
|
|
PRBool isValid = validator.ValidateString(value, schemaTypeName, schemaTypeNamespace);
|
|
|
|
*aResult = isValid;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::ValidateDocument(nsIDOMDocument *aInstanceDocument,
|
|
PRBool *aResult)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
NS_ENSURE_ARG(aInstanceDocument);
|
|
|
|
/*
|
|
This will process the instance document and check for schema validity. It
|
|
will mark nodes in the document with their schema types using nsIProperty
|
|
until it hits a structural schema validation error. So if the instance
|
|
document's XML structure is invalid, don't expect type properties to be
|
|
set.
|
|
|
|
Note that if the structure is fine but some simple types nodes (nodes
|
|
that contain text only) are invalid (say one has a empty nodeValue but
|
|
should be a date), the schema validator will continue processing and add
|
|
the type properties. Schema validation will return false at the end.
|
|
*/
|
|
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
nsresult rv = aInstanceDocument->GetDocumentElement(getter_AddRefs(element));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// get namespace from node
|
|
nsAutoString nsuri;
|
|
element->GetNamespaceURI(nsuri);
|
|
|
|
nsCOMPtr<nsISchemaCollection> schemaColl = do_QueryInterface(mSchemas);
|
|
NS_ENSURE_STATE(schemaColl);
|
|
|
|
nsCOMPtr<nsISchema> schema;
|
|
schemaColl->GetSchema(nsuri, getter_AddRefs(schema));
|
|
if (!schema) {
|
|
// No schema found, so nothing to validate
|
|
*aResult = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsXFormsSchemaValidator validator;
|
|
validator.LoadSchema(schema);
|
|
// Validate will validate the node and its subtree, as per the schema
|
|
// specification.
|
|
*aResult = validator.Validate(element);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/*
|
|
* SUBMIT_SERIALIZE_NODE - node is to be serialized
|
|
* SUBMIT_SKIP_NODE - node is not to be serialized
|
|
* SUBMIT_ABORT_SUBMISSION - abort submission (invalid node or empty required node)
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::HandleInstanceDataNode(nsIDOMNode *aInstanceDataNode, unsigned short *aResult)
|
|
{
|
|
// abort by default
|
|
*aResult = SUBMIT_ABORT_SUBMISSION;
|
|
|
|
const nsXFormsNodeState* ns;
|
|
ns = mMDG.GetNodeState(aInstanceDataNode);
|
|
NS_ENSURE_STATE(ns);
|
|
|
|
if (!ns->IsRelevant()) {
|
|
// not relevant, thus skip
|
|
*aResult = SUBMIT_SKIP_NODE;
|
|
} else if (ns->IsRequired()) {
|
|
// required and has a value, continue
|
|
nsAutoString value;
|
|
nsXFormsUtils::GetNodeValue(aInstanceDataNode, value);
|
|
if (!value.IsEmpty() && ns->IsValid())
|
|
*aResult = SUBMIT_SERIALIZE_NODE;
|
|
} else if (ns->IsValid()) {
|
|
// valid
|
|
*aResult = SUBMIT_SERIALIZE_NODE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetLazyAuthored(PRBool *aLazyInstance)
|
|
{
|
|
*aLazyInstance = mLazyModel;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetIsReady(PRBool *aIsReady)
|
|
{
|
|
*aIsReady = mReadyHandled;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetTypeFromNode(nsIDOMNode *aInstanceData,
|
|
nsAString &aType,
|
|
nsAString &aNSUri)
|
|
{
|
|
// 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).
|
|
|
|
nsString *typeVal = nsnull;
|
|
|
|
// Get type stored directly on instance node
|
|
nsAutoString typeAttribute;
|
|
nsCOMPtr<nsIDOMElement> nodeElem(do_QueryInterface(aInstanceData));
|
|
if (nodeElem) {
|
|
nodeElem->GetAttributeNS(NS_LITERAL_STRING(NS_NAMESPACE_XML_SCHEMA_INSTANCE),
|
|
NS_LITERAL_STRING("type"), typeAttribute);
|
|
if (!typeAttribute.IsEmpty()) {
|
|
typeVal = &typeAttribute;
|
|
}
|
|
}
|
|
|
|
// If there was no type information on the node itself, check for a type
|
|
// bound to the node via \<xforms:bind\>
|
|
if (!typeVal && !mNodeToType.Get(aInstanceData, &typeVal)) {
|
|
// check if schema validation left us a nsISchemaType*
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(aInstanceData);
|
|
|
|
if (content) {
|
|
nsISchemaType *type;
|
|
nsCOMPtr<nsIAtom> myAtom = do_GetAtom("xsdtype");
|
|
|
|
type = NS_STATIC_CAST(nsISchemaType *, content->GetProperty(myAtom));
|
|
if (type) {
|
|
type->GetName(aType);
|
|
type->GetTargetNamespace(aNSUri);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
// No type information found
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
// split type (ns:type) into namespace and type.
|
|
nsAutoString prefix;
|
|
PRInt32 separator = typeVal->FindChar(':');
|
|
if ((PRUint32) separator == (typeVal->Length() - 1)) {
|
|
const PRUnichar *strings[] = { typeVal->get() };
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("missingTypeName"), strings, 1,
|
|
mElement, nsnull);
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
if (separator == kNotFound) {
|
|
// no namespace prefix, which is valid;
|
|
prefix = EmptyString();
|
|
aType.Assign(*typeVal);
|
|
} else {
|
|
prefix.Assign(Substring(*typeVal, 0, separator));
|
|
aType.Assign(Substring(*typeVal, ++separator, typeVal->Length()));
|
|
}
|
|
|
|
if (prefix.IsEmpty()) {
|
|
aNSUri = EmptyString();
|
|
return NS_OK;
|
|
}
|
|
|
|
// get the namespace url from the prefix using instance data node
|
|
nsresult rv;
|
|
nsCOMPtr<nsIDOM3Node> domNode3 = do_QueryInterface(aInstanceData, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = domNode3->LookupNamespaceURI(prefix, aNSUri);
|
|
|
|
if (DOMStringIsNull(aNSUri)) {
|
|
// if not found using instance data node, use <xf:instance> node
|
|
nsCOMPtr<nsIDOMNode> instanceNode;
|
|
rv = nsXFormsUtils::GetInstanceNodeForData(aInstanceData,
|
|
getter_AddRefs(instanceNode));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
domNode3 = do_QueryInterface(instanceNode, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = domNode3->LookupNamespaceURI(prefix, aNSUri);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
// nsIXFormsContextControl
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::SetContext(nsIDOMNode *aContextNode,
|
|
PRInt32 aContextPosition,
|
|
PRInt32 aContextSize)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::GetContext(nsAString &aModelID,
|
|
nsIDOMNode **aContextNode,
|
|
PRInt32 *aContextPosition,
|
|
PRInt32 *aContextSize)
|
|
{
|
|
// Adding the nsIXFormsContextControl interface to model to allow
|
|
// submission elements to call our binding evaluation methods, like
|
|
// EvaluateNodeBinding. If GetContext can get called outside of the binding
|
|
// codepath, then this MIGHT lead to problems.
|
|
|
|
NS_ENSURE_ARG(aContextSize);
|
|
NS_ENSURE_ARG(aContextPosition);
|
|
*aContextNode = nsnull;
|
|
|
|
// better get the stuff most likely to fail out of the way first. No sense
|
|
// changing the other values that we are returning unless this is successful.
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
// Anybody (like a submission element) asking a model element for its context
|
|
// for XPath expressions will want the root node of the default instance
|
|
// document
|
|
nsCOMPtr<nsIDOMDocument> firstInstanceDoc =
|
|
FindInstanceDocument(EmptyString());
|
|
NS_ENSURE_TRUE(firstInstanceDoc, rv);
|
|
|
|
nsCOMPtr<nsIDOMElement> firstInstanceRoot;
|
|
rv = firstInstanceDoc->GetDocumentElement(getter_AddRefs(firstInstanceRoot));
|
|
NS_ENSURE_TRUE(firstInstanceRoot, rv);
|
|
|
|
nsCOMPtr<nsIDOMNode>rootNode = do_QueryInterface(firstInstanceRoot);
|
|
rootNode.swap(*aContextNode);
|
|
|
|
// found the context, so can finish up assinging the rest of the values that
|
|
// we are returning
|
|
*aContextPosition = 1;
|
|
*aContextSize = 1;
|
|
|
|
nsAutoString id;
|
|
mElement->GetAttribute(NS_LITERAL_STRING("id"), id);
|
|
aModelID.Assign(id);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// internal methods
|
|
|
|
already_AddRefed<nsIDOMDocument>
|
|
nsXFormsModelElement::FindInstanceDocument(const nsAString &aID)
|
|
{
|
|
nsCOMPtr<nsIInstanceElementPrivate> instance;
|
|
nsXFormsModelElement::FindInstanceElement(aID, getter_AddRefs(instance));
|
|
|
|
nsIDOMDocument *doc = nsnull;
|
|
if (instance) {
|
|
instance->GetInstanceDocument(&doc); // addrefs
|
|
}
|
|
|
|
return doc;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::ProcessBindElements()
|
|
{
|
|
// ProcessBindElements() will go through each xforms:bind element in
|
|
// document order and apply all of the Model Item Properties to the
|
|
// instance items in the nodeset. This information will also be entered
|
|
// in the Master Dependency Graph. Most of this work is done in the
|
|
// ProcessBind() method.
|
|
|
|
nsCOMPtr<nsIDOMDocument> firstInstanceDoc =
|
|
FindInstanceDocument(EmptyString());
|
|
if (!firstInstanceDoc)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMElement> firstInstanceRoot;
|
|
firstInstanceDoc->GetDocumentElement(getter_AddRefs(firstInstanceRoot));
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIXFormsXPathEvaluator> xpath =
|
|
do_CreateInstance("@mozilla.org/dom/xforms-xpath-evaluator;1", &rv);
|
|
NS_ENSURE_TRUE(xpath, rv);
|
|
|
|
nsCOMPtr<nsIDOMNodeList> children;
|
|
mElement->GetChildNodes(getter_AddRefs(children));
|
|
|
|
PRUint32 childCount = 0;
|
|
if (children)
|
|
children->GetLength(&childCount);
|
|
|
|
nsAutoString namespaceURI, localName;
|
|
for (PRUint32 i = 0; i < childCount; ++i) {
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
children->Item(i, getter_AddRefs(child));
|
|
NS_ASSERTION(child, "there can't be null items in the NodeList!");
|
|
|
|
child->GetLocalName(localName);
|
|
if (localName.EqualsLiteral("bind")) {
|
|
child->GetNamespaceURI(namespaceURI);
|
|
if (namespaceURI.EqualsLiteral(NS_NAMESPACE_XFORMS)) {
|
|
rv = ProcessBind(xpath, firstInstanceRoot, 1, 1,
|
|
nsCOMPtr<nsIDOMElement>(do_QueryInterface(child)),
|
|
PR_TRUE);
|
|
if (NS_FAILED(rv)) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsXFormsModelElement::Reset()
|
|
{
|
|
BackupOrRestoreInstanceData(PR_TRUE);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_Rebuild);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_Recalculate);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_Revalidate);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_Refresh);
|
|
}
|
|
|
|
// This function will restore all of the model's instance data to it's original
|
|
// state if the supplied boolean is PR_TRUE. If it is PR_FALSE, this function
|
|
// will cause this model's instance data to be backed up.
|
|
void
|
|
nsXFormsModelElement::BackupOrRestoreInstanceData(PRBool restore)
|
|
{
|
|
if (!mInstanceDocuments)
|
|
return;
|
|
|
|
PRUint32 instCount;
|
|
mInstanceDocuments->GetLength(&instCount);
|
|
if (instCount) {
|
|
for (PRUint32 i = 0; i < instCount; ++i) {
|
|
nsIInstanceElementPrivate *instance =
|
|
mInstanceDocuments->GetInstanceAt(i);
|
|
|
|
// Don't know what to do with error if we get one.
|
|
// Restore/BackupOriginalDocument will already output warnings.
|
|
if(restore) {
|
|
instance->RestoreOriginalDocument();
|
|
}
|
|
else {
|
|
instance->BackupOriginalDocument();
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsXFormsModelElement::FinishConstruction()
|
|
{
|
|
// process inline schemas that aren't referenced via the schema attribute
|
|
nsCOMPtr<nsIDOMNodeList> children;
|
|
mElement->GetChildNodes(getter_AddRefs(children));
|
|
|
|
if (children) {
|
|
PRUint32 childCount = 0;
|
|
children->GetLength(&childCount);
|
|
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
nsAutoString nsURI, localName, targetNamespace;
|
|
|
|
for (PRUint32 i = 0; i < childCount; ++i) {
|
|
children->Item(i, getter_AddRefs(node));
|
|
|
|
element = do_QueryInterface(node);
|
|
if (!element)
|
|
continue;
|
|
|
|
node->GetNamespaceURI(nsURI);
|
|
node->GetLocalName(localName);
|
|
if (nsURI.EqualsLiteral(NS_NAMESPACE_XML_SCHEMA) &&
|
|
localName.EqualsLiteral("schema")) {
|
|
// we don't have to check if the schema was already added because
|
|
// nsSchemaLoader::ProcessSchemaElement takes care of that.
|
|
nsCOMPtr<nsISchema> schema;
|
|
nsresult rv = mSchemas->ProcessSchemaElement(element, nsnull,
|
|
getter_AddRefs(schema));
|
|
if (!NS_SUCCEEDED(rv)) {
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("schemaProcessError"), node);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// (XForms 4.2.1 - cont)
|
|
// 3. if applicable, initialize P3P
|
|
|
|
// 4. construct instance data from initial instance data. apply all
|
|
// <bind> elements in document order.
|
|
|
|
// we get the instance data from our instance child nodes
|
|
|
|
// We're done initializing this model.
|
|
// 5. Perform an xforms-rebuild, xforms-recalculate, and xforms-revalidate in
|
|
// sequence, for this model element. (The xforms-refresh is not performed
|
|
// since the user interface has not yet been initialized).
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_Rebuild);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_Recalculate);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_Revalidate);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::InitializeControls()
|
|
{
|
|
#ifdef DEBUG
|
|
printf("nsXFormsModelElement::InitializeControls()\n");
|
|
#endif
|
|
nsPostRefresh postRefresh = nsPostRefresh();
|
|
|
|
nsXFormsControlListItem::iterator it;
|
|
nsresult rv;
|
|
for (it = mFormControls.begin(); it != mFormControls.end(); ++it) {
|
|
// Get control
|
|
nsCOMPtr<nsIXFormsControl> control = (*it)->Control();
|
|
NS_ASSERTION(control, "mFormControls has null control?!");
|
|
|
|
#ifdef DEBUG_MODEL
|
|
printf("\tControl (%p): ", (void*) control);
|
|
nsCOMPtr<nsIDOMElement> controlElement;
|
|
control->GetElement(getter_AddRefs(controlElement));
|
|
// DBG_TAGINFO(controlElement);
|
|
#endif
|
|
// Rebind
|
|
rv = control->Bind();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Get bound node
|
|
nsCOMPtr<nsIDOMNode> boundNode;
|
|
rv = control->GetBoundNode(getter_AddRefs(boundNode));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Set MIP states on control
|
|
rv = SetStatesInternal(control, boundNode, PR_FALSE);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Refresh controls
|
|
rv = control->Refresh();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
mChangedNodes.Clear();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
void
|
|
nsXFormsModelElement::MaybeNotifyCompletion()
|
|
{
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
mElement->GetOwnerDocument(getter_AddRefs(domDoc));
|
|
|
|
const nsVoidArray *models = GetModelList(domDoc);
|
|
if (!models) {
|
|
NS_NOTREACHED("no model list property");
|
|
return;
|
|
}
|
|
|
|
PRInt32 i;
|
|
|
|
// Nothing to be done if any model is incomplete or hasn't seen
|
|
// DOMContentLoaded.
|
|
for (i = 0; i < models->Count(); ++i) {
|
|
nsXFormsModelElement *model =
|
|
NS_STATIC_CAST(nsXFormsModelElement *, models->ElementAt(i));
|
|
if (!model->mDocumentLoaded || !model->IsComplete())
|
|
return;
|
|
}
|
|
|
|
// Okay, dispatch xforms-model-construct-done and xforms-ready events!
|
|
for (i = 0; i < models->Count(); ++i) {
|
|
nsXFormsModelElement *model =
|
|
NS_STATIC_CAST(nsXFormsModelElement *, models->ElementAt(i));
|
|
nsXFormsUtils::DispatchEvent(model->mElement, eEvent_ModelConstructDone);
|
|
}
|
|
|
|
// validate the instance documents becauar we want schemaValidation to add
|
|
// schema type properties from the schema file unto our instance document
|
|
// elements. We don't care about the validation results.
|
|
if (mInstanceDocuments) {
|
|
PRUint32 instCount;
|
|
mInstanceDocuments->GetLength(&instCount);
|
|
if (instCount) {
|
|
nsCOMPtr<nsIDOMDocument> document;
|
|
|
|
for (PRUint32 i = 0; i < instCount; ++i) {
|
|
nsIInstanceElementPrivate* instEle = mInstanceDocuments->GetInstanceAt(i);
|
|
nsCOMPtr<nsIXFormsNSInstanceElement> NSInstEle(instEle);
|
|
NSInstEle->GetInstanceDocument(getter_AddRefs(document));
|
|
NS_ASSERTION(document, "nsIXFormsNSInstanceElement::GetInstanceDocument returned null?!");
|
|
|
|
if (document) {
|
|
PRBool isValid = PR_FALSE;
|
|
ValidateDocument(document, &isValid);
|
|
|
|
if (!isValid) {
|
|
nsCOMPtr<nsIDOMElement> instanceElement;
|
|
instEle->GetElement(getter_AddRefs(instanceElement));
|
|
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("instDocumentInvalid"),
|
|
instanceElement);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
nsXFormsModelElement::ProcessDeferredBinds(domDoc);
|
|
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
|
|
if (doc) {
|
|
PRUint32 loadingMessages = NS_PTR_TO_UINT32(
|
|
doc->GetProperty(nsXFormsAtoms::externalMessagesProperty));
|
|
if (loadingMessages) {
|
|
// if we are still waiting for external messages to load, then put off
|
|
// the xforms-ready until a model in the document is notified that they
|
|
// are finished loading
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < models->Count(); ++i) {
|
|
nsXFormsModelElement *model =
|
|
NS_STATIC_CAST(nsXFormsModelElement *, models->ElementAt(i));
|
|
model->BackupOrRestoreInstanceData(PR_FALSE);
|
|
model->mReadyHandled = PR_TRUE;
|
|
nsXFormsUtils::DispatchEvent(model->mElement, eEvent_Ready);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::ProcessBind(nsIXFormsXPathEvaluator *aEvaluator,
|
|
nsIDOMNode *aContextNode,
|
|
PRInt32 aContextPosition,
|
|
PRInt32 aContextSize,
|
|
nsIDOMElement *aBindElement,
|
|
PRBool aIsOuter)
|
|
{
|
|
// Get the model item properties specified by this \<bind\>.
|
|
nsCOMPtr<nsIDOMNSXPathExpression> props[eModel__count];
|
|
nsAutoString propStrings[eModel__count];
|
|
nsresult rv;
|
|
nsAutoString attrStr;
|
|
|
|
for (PRUint32 i = 0; i < eModel__count; ++i) {
|
|
sModelPropsList[i]->ToString(attrStr);
|
|
|
|
aBindElement->GetAttribute(attrStr, propStrings[i]);
|
|
if (!propStrings[i].IsEmpty() &&
|
|
i != eModel_type &&
|
|
i != eModel_p3ptype) {
|
|
rv = aEvaluator->CreateExpression(propStrings[i], aBindElement,
|
|
getter_AddRefs(props[i]));
|
|
if (NS_FAILED(rv)) {
|
|
const PRUnichar *strings[] = { propStrings[i].get() };
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("mipParseError"),
|
|
strings, 1, aBindElement, aBindElement);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_ComputeException);
|
|
return rv;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find the nodeset that this bind applies to.
|
|
nsCOMPtr<nsIDOMXPathResult> result;
|
|
|
|
nsAutoString expr;
|
|
aBindElement->GetAttribute(NS_LITERAL_STRING("nodeset"), expr);
|
|
if (expr.IsEmpty()) {
|
|
expr = NS_LITERAL_STRING(".");
|
|
}
|
|
rv = aEvaluator->Evaluate(expr, aContextNode, aContextPosition, aContextSize,
|
|
aBindElement,
|
|
nsIDOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
|
|
nsnull, getter_AddRefs(result));
|
|
if (NS_FAILED(rv)) {
|
|
if (rv == NS_ERROR_DOM_INVALID_EXPRESSION_ERR) {
|
|
// the xpath expression isn't valid xpath
|
|
|
|
const nsPromiseFlatString& flat = PromiseFlatString(expr);
|
|
const PRUnichar *strings[] = { flat.get() };
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("exprParseError"),
|
|
strings, 1, aBindElement, nsnull);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_ComputeException);
|
|
} else {
|
|
#ifdef DEBUG
|
|
printf("xforms-binding-exception: XPath Evaluation failed\n");
|
|
#endif
|
|
const PRUnichar *strings[] = { expr.get() };
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("nodesetEvaluateError"),
|
|
strings, 1, aBindElement, aBindElement);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_BindingException);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_ENSURE_STATE(result);
|
|
|
|
// If this is an outer bind, store the nodeset, as controls binding to this
|
|
// bind will need this.
|
|
if (aIsOuter) {
|
|
nsCOMPtr<nsIContent> content(do_QueryInterface(aBindElement));
|
|
NS_ASSERTION(content, "nsIDOMElement not implementing nsIContent?!");
|
|
rv = content->SetProperty(nsXFormsAtoms::bind, result,
|
|
SupportsDtorFunc);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// addref, circumventing nsDerivedSave
|
|
NS_ADDREF(NS_STATIC_CAST(nsIDOMXPathResult*, result));
|
|
}
|
|
|
|
PRUint32 snapLen;
|
|
rv = result->GetSnapshotLength(&snapLen);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
// Iterate over resultset
|
|
nsCOMArray<nsIDOMNode> deps;
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
PRUint32 snapItem;
|
|
for (snapItem = 0; snapItem < snapLen; ++snapItem) {
|
|
rv = result->SnapshotItem(snapItem, getter_AddRefs(node));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (!node) {
|
|
NS_WARNING("nsXFormsModelElement::ProcessBind(): Empty node in result set.");
|
|
continue;
|
|
}
|
|
|
|
|
|
// Apply MIPs
|
|
nsXFormsXPathParser parser;
|
|
nsXFormsXPathAnalyzer analyzer(aEvaluator, aBindElement);
|
|
PRBool multiMIP = PR_FALSE;
|
|
for (PRUint32 j = 0; j < eModel__count; ++j) {
|
|
if (propStrings[j].IsEmpty())
|
|
continue;
|
|
|
|
// type and p3ptype are stored as properties on the instance node
|
|
if (j == eModel_type || j == eModel_p3ptype) {
|
|
nsClassHashtable<nsISupportsHashKey, nsString> *table;
|
|
table = j == eModel_type ? &mNodeToType : &mNodeToP3PType;
|
|
NS_ENSURE_TRUE(table->IsInitialized(), NS_ERROR_FAILURE);
|
|
|
|
// Check for existing value
|
|
if (table->Get(node, nsnull)) {
|
|
multiMIP = PR_TRUE;
|
|
break;
|
|
}
|
|
|
|
// Insert value
|
|
nsAutoPtr<nsString> newString(new nsString(propStrings[j]));
|
|
NS_ENSURE_TRUE(newString, NS_ERROR_OUT_OF_MEMORY);
|
|
NS_ENSURE_TRUE(table->Put(node, newString), NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
// string is succesfully stored in the table, we should not dealloc it
|
|
newString.forget();
|
|
|
|
if (j == eModel_type) {
|
|
// Inform MDG that it needs to check type. The only arguments
|
|
// actually used are |eModel_constraint| and |node|.
|
|
rv = mMDG.AddMIP(eModel_constraint, nsnull, nsnull, PR_FALSE, node, 1,
|
|
1);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
} else {
|
|
// the rest of the MIPs are given to the MDG
|
|
nsCOMPtr<nsIDOMNSXPathExpression> expr = props[j];
|
|
|
|
// Get node dependencies
|
|
nsAutoPtr<nsXFormsXPathNode> xNode(parser.Parse(propStrings[j]));
|
|
deps.Clear();
|
|
rv = analyzer.Analyze(node, xNode, expr, &propStrings[j], &deps,
|
|
snapItem + 1, snapLen, PR_FALSE);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Insert into MDG
|
|
rv = mMDG.AddMIP((ModelItemPropName) j,
|
|
expr,
|
|
&deps,
|
|
parser.UsesDynamicFunc(),
|
|
node,
|
|
snapItem + 1,
|
|
snapLen);
|
|
|
|
// if the call results in NS_ERROR_ABORT the page has tried to set a
|
|
// MIP twice, break and emit an exception.
|
|
if (rv == NS_ERROR_ABORT) {
|
|
multiMIP = PR_TRUE;
|
|
break;
|
|
}
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
// If the attribute is already there, the page sets a MIP twice
|
|
// which is illegal, and should result in an xforms-binding-exception.
|
|
// @see http://www.w3.org/TR/xforms/slice4.html#evt-modelConstruct
|
|
// (item 4, c)
|
|
if (multiMIP) {
|
|
#ifdef DEBUG
|
|
printf("xforms-binding-exception: Multiple MIPs on same node!");
|
|
#endif
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("multiMIPError"),
|
|
aBindElement);
|
|
nsXFormsUtils::DispatchEvent(aBindElement,
|
|
eEvent_BindingException);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Now evaluate any child \<bind\> elements.
|
|
nsCOMPtr<nsIDOMNodeList> children;
|
|
aBindElement->GetChildNodes(getter_AddRefs(children));
|
|
if (children) {
|
|
PRUint32 childCount = 0;
|
|
children->GetLength(&childCount);
|
|
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
nsAutoString value;
|
|
|
|
for (PRUint32 k = 0; k < childCount; ++k) {
|
|
children->Item(k, getter_AddRefs(child));
|
|
if (child) {
|
|
child->GetLocalName(value);
|
|
if (!value.EqualsLiteral("bind"))
|
|
continue;
|
|
|
|
child->GetNamespaceURI(value);
|
|
if (!value.EqualsLiteral(NS_NAMESPACE_XFORMS))
|
|
continue;
|
|
|
|
rv = ProcessBind(aEvaluator, node,
|
|
snapItem + 1, snapLen,
|
|
nsCOMPtr<nsIDOMElement>(do_QueryInterface(child)));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelElement::SetStates(nsIXFormsControl *aControl, nsIDOMNode *aBoundNode)
|
|
{
|
|
return SetStatesInternal(aControl, aBoundNode, PR_FALSE);
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::AddInstanceElement(nsIInstanceElementPrivate *aInstEle)
|
|
{
|
|
NS_ENSURE_STATE(mInstanceDocuments);
|
|
mInstanceDocuments->AddInstance(aInstEle);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::RemoveInstanceElement(nsIInstanceElementPrivate *aInstEle)
|
|
{
|
|
NS_ENSURE_STATE(mInstanceDocuments);
|
|
mInstanceDocuments->RemoveInstance(aInstEle);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::MessageLoadFinished()
|
|
{
|
|
// This is our signal that all external message links have been tested. If
|
|
// we were waiting for this to send out xforms-ready, then now is the time.
|
|
|
|
// if this document hasn't processed xforms-model-construct-done, yet (which
|
|
// must precede xforms-ready), then we'll send out the xforms-ready later
|
|
// as part of our normal handling. If we've already become ready, then this
|
|
// event was probably generated by a change in the src attribute on the
|
|
// message element. Ignore it in that case.
|
|
if (!mConstructDoneHandled || mReadyHandled) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
mElement->GetOwnerDocument(getter_AddRefs(domDoc));
|
|
const nsVoidArray *models = GetModelList(domDoc);
|
|
nsCOMPtr<nsIDocument>doc = do_QueryInterface(domDoc);
|
|
nsCOMArray<nsIXFormsControlBase> *deferredBindList =
|
|
NS_STATIC_CAST(nsCOMArray<nsIXFormsControlBase> *,
|
|
doc->GetProperty(nsXFormsAtoms::deferredBindListProperty));
|
|
|
|
// if we've already gotten the xforms-model-construct-done event and not
|
|
// yet the xforms-ready, we've hit a window where we may still be
|
|
// processing the deferred control binding. If so, we'll leave now and
|
|
// leave it to MaybeNotifyCompletion to generate the xforms-ready event.
|
|
if (deferredBindList) {
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// if we reached here, then we had to wait on sending out the xforms-ready
|
|
// events until the external messages were tested. Now we are finally
|
|
// ready to send out xforms-ready to all of the models.
|
|
for (int i = 0; i < models->Count(); ++i) {
|
|
nsXFormsModelElement *model =
|
|
NS_STATIC_CAST(nsXFormsModelElement *, models->ElementAt(i));
|
|
model->mReadyHandled = PR_TRUE;
|
|
nsXFormsUtils::DispatchEvent(model->mElement, eEvent_Ready);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ void
|
|
nsXFormsModelElement::Startup()
|
|
{
|
|
sModelPropsList[eModel_type] = nsXFormsAtoms::type;
|
|
sModelPropsList[eModel_readonly] = nsXFormsAtoms::readonly;
|
|
sModelPropsList[eModel_required] = nsXFormsAtoms::required;
|
|
sModelPropsList[eModel_relevant] = nsXFormsAtoms::relevant;
|
|
sModelPropsList[eModel_calculate] = nsXFormsAtoms::calculate;
|
|
sModelPropsList[eModel_constraint] = nsXFormsAtoms::constraint;
|
|
sModelPropsList[eModel_p3ptype] = nsXFormsAtoms::p3ptype;
|
|
}
|
|
|
|
already_AddRefed<nsIDOMElement>
|
|
nsXFormsModelElement::GetDOMElement()
|
|
{
|
|
nsIDOMElement* element = nsnull;
|
|
NS_IF_ADDREF(element = mElement);
|
|
return element;
|
|
}
|
|
|
|
static void
|
|
DeleteBindList(void *aObject,
|
|
nsIAtom *aPropertyName,
|
|
void *aPropertyValue,
|
|
void *aData)
|
|
{
|
|
delete NS_STATIC_CAST(nsCOMArray<nsIXFormsControl> *, aPropertyValue);
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsXFormsModelElement::DeferElementBind(nsIDOMDocument *aDoc,
|
|
nsIXFormsControlBase *aControl)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(aDoc);
|
|
|
|
if (!doc || !aControl) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMArray<nsIXFormsControlBase> *deferredBindList =
|
|
NS_STATIC_CAST(nsCOMArray<nsIXFormsControlBase> *,
|
|
doc->GetProperty(nsXFormsAtoms::deferredBindListProperty));
|
|
|
|
if (!deferredBindList) {
|
|
deferredBindList = new nsCOMArray<nsIXFormsControlBase>(16);
|
|
NS_ENSURE_TRUE(deferredBindList, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
doc->SetProperty(nsXFormsAtoms::deferredBindListProperty, deferredBindList,
|
|
DeleteBindList);
|
|
}
|
|
|
|
// always append to the end of the list. We need to keep the elements in
|
|
// document order when we process the binds later. Otherwise we have trouble
|
|
// when an element is trying to bind and should use its parent as a context
|
|
// for the xpath evaluation but the parent isn't bound yet.
|
|
deferredBindList->AppendObject(aControl);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ void
|
|
nsXFormsModelElement::ProcessDeferredBinds(nsIDOMDocument *aDoc)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(aDoc);
|
|
|
|
if (!doc) {
|
|
return;
|
|
}
|
|
|
|
nsPostRefresh postRefresh = nsPostRefresh();
|
|
|
|
doc->SetProperty(nsXFormsAtoms::readyForBindProperty, doc);
|
|
|
|
nsCOMArray<nsIXFormsControlBase> *deferredBindList =
|
|
NS_STATIC_CAST(nsCOMArray<nsIXFormsControlBase> *,
|
|
doc->GetProperty(nsXFormsAtoms::deferredBindListProperty));
|
|
|
|
if (deferredBindList) {
|
|
for (int i = 0; i < deferredBindList->Count(); ++i) {
|
|
nsIXFormsControlBase *base = deferredBindList->ObjectAt(i);
|
|
if (base) {
|
|
base->Bind();
|
|
base->Refresh();
|
|
}
|
|
}
|
|
|
|
doc->DeleteProperty(nsXFormsAtoms::deferredBindListProperty);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::HandleLoad(nsIDOMEvent* aEvent)
|
|
{
|
|
if (!mInstancesInitialized) {
|
|
// XXX This is for Bug 308106. In Gecko 1.8 DoneAddingChildren is not
|
|
// called in XUL if the element doesn't have any child nodes.
|
|
InitializeInstances();
|
|
}
|
|
|
|
mDocumentLoaded = PR_TRUE;
|
|
|
|
// dispatch xforms-model-construct, xforms-rebuild, xforms-recalculate,
|
|
// xforms-revalidate
|
|
|
|
// We wait until DOMContentLoaded to dispatch xforms-model-construct,
|
|
// since the model may have an action handler for this event and Mozilla
|
|
// doesn't register XML Event listeners until the document is loaded.
|
|
|
|
// xforms-model-construct is not cancellable, so always proceed.
|
|
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_ModelConstruct);
|
|
|
|
if (mPendingInlineSchemas.Count() > 0) {
|
|
nsCOMPtr<nsIDOMElement> el;
|
|
nsresult rv;
|
|
for (PRInt32 i=0; i<mPendingInlineSchemas.Count(); ++i) {
|
|
GetSchemaElementById(mElement, *mPendingInlineSchemas[i],
|
|
getter_AddRefs(el));
|
|
if (!el) {
|
|
rv = NS_ERROR_UNEXPECTED;
|
|
} else {
|
|
nsCOMPtr<nsISchema> schema;
|
|
// no need to observe errors via the callback. instead, rely on
|
|
// this method returning a failure code when it encounters errors.
|
|
rv = mSchemas->ProcessSchemaElement(el, nsnull,
|
|
getter_AddRefs(schema));
|
|
if (NS_SUCCEEDED(rv))
|
|
mSchemaCount++;
|
|
}
|
|
if (NS_FAILED(rv)) {
|
|
// this is a fatal error (XXX)
|
|
nsXFormsUtils::ReportError(NS_LITERAL_STRING("schemaLoadError"), mElement);
|
|
nsXFormsUtils::DispatchEvent(mElement, eEvent_LinkException);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
if (IsComplete()) {
|
|
rv = FinishConstruction();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
mPendingInlineSchemas.Clear();
|
|
}
|
|
|
|
// We may still be waiting on external documents to load.
|
|
MaybeNotifyCompletion();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsXFormsModelElement::HandleUnload(nsIDOMEvent* aEvent)
|
|
{
|
|
// due to fastback changes, had to move this notification out from under
|
|
// model's WillChangeDocument override.
|
|
return nsXFormsUtils::DispatchEvent(mElement, eEvent_ModelDestruct);
|
|
}
|
|
|
|
nsresult
|
|
NS_NewXFormsModelElement(nsIXTFElement **aResult)
|
|
{
|
|
*aResult = new nsXFormsModelElement();
|
|
if (!*aResult)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
NS_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// ---------------------------- //
|
|
|
|
// nsXFormsModelInstanceDocuments
|
|
|
|
NS_IMPL_ISUPPORTS2(nsXFormsModelInstanceDocuments, nsIDOMNodeList, nsIClassInfo)
|
|
|
|
nsXFormsModelInstanceDocuments::nsXFormsModelInstanceDocuments()
|
|
: mInstanceList(16)
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetLength(PRUint32* aLength)
|
|
{
|
|
*aLength = mInstanceList.Count();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::Item(PRUint32 aIndex, nsIDOMNode** aReturn)
|
|
{
|
|
*aReturn = nsnull;
|
|
nsIInstanceElementPrivate* instance = mInstanceList.SafeObjectAt(aIndex);
|
|
if (instance) {
|
|
nsCOMPtr<nsIDOMDocument> doc;
|
|
if (NS_SUCCEEDED(instance->GetInstanceDocument(getter_AddRefs(doc))) && doc) {
|
|
NS_ADDREF(*aReturn = doc);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIInstanceElementPrivate*
|
|
nsXFormsModelInstanceDocuments::GetInstanceAt(PRUint32 aIndex)
|
|
{
|
|
return mInstanceList.ObjectAt(aIndex);
|
|
}
|
|
|
|
void
|
|
nsXFormsModelInstanceDocuments::AddInstance(nsIInstanceElementPrivate *aInst)
|
|
{
|
|
// always append to the end of the list. We need to keep the elements in
|
|
// document order since the first instance element is the default instance
|
|
// document for the model.
|
|
mInstanceList.AppendObject(aInst);
|
|
}
|
|
|
|
void
|
|
nsXFormsModelInstanceDocuments::RemoveInstance(nsIInstanceElementPrivate *aInst)
|
|
{
|
|
mInstanceList.RemoveObject(aInst);
|
|
}
|
|
|
|
void
|
|
nsXFormsModelInstanceDocuments::DropReferences()
|
|
{
|
|
mInstanceList.Clear();
|
|
}
|
|
|
|
// nsIClassInfo implementation
|
|
|
|
static const nsIID sInstScriptingIIDs[] = {
|
|
NS_IDOMNODELIST_IID
|
|
};
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetInterfaces(PRUint32 *aCount,
|
|
nsIID * **aArray)
|
|
{
|
|
return
|
|
nsXFormsUtils::CloneScriptingInterfaces(sInstScriptingIIDs,
|
|
NS_ARRAY_LENGTH(sInstScriptingIIDs),
|
|
aCount, aArray);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetHelperForLanguage(PRUint32 language,
|
|
nsISupports **_retval)
|
|
{
|
|
*_retval = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetContractID(char * *aContractID)
|
|
{
|
|
*aContractID = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetClassDescription(char * *aClassDescription)
|
|
{
|
|
*aClassDescription = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetClassID(nsCID * *aClassID)
|
|
{
|
|
*aClassID = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetImplementationLanguage(PRUint32 *aLang)
|
|
{
|
|
*aLang = nsIProgrammingLanguage::CPLUSPLUS;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetFlags(PRUint32 *aFlags)
|
|
{
|
|
*aFlags = nsIClassInfo::DOM_OBJECT;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsModelInstanceDocuments::GetClassIDNoAlloc(nsCID *aClassIDNoAlloc)
|
|
{
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|