зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
4.2 KiB
C++
129 строки
4.2 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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* Olli Pettay.
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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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* Olli Pettay <Olli.Pettay@helsinki.fi> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsXFormsActionModuleBase.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMDocumentEvent.h"
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#include "nsIDOMEvent.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMEventTarget.h"
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#include "nsString.h"
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#include "nsXFormsUtils.h"
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class nsXFormsDispatchElement : public nsXFormsActionModuleBase
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{
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public:
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nsXFormsDispatchElement();
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NS_DECL_NSIXFORMSACTIONMODULEELEMENT
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};
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nsXFormsDispatchElement::nsXFormsDispatchElement()
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{
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}
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NS_IMETHODIMP
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nsXFormsDispatchElement::HandleAction(nsIDOMEvent* aEvent,
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nsIXFormsActionElement *aParentAction)
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{
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if (!mElement)
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return NS_OK;
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nsAutoString name;
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mElement->GetAttribute(NS_LITERAL_STRING("name"), name);
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if (name.IsEmpty())
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return NS_OK;
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nsAutoString target;
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mElement->GetAttribute(NS_LITERAL_STRING("target"), target);
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if (target.IsEmpty())
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return NS_OK;
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PRBool cancelable = PR_TRUE;
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PRBool bubbles = PR_TRUE;
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if (!nsXFormsUtils::IsXFormsEvent(name, cancelable, bubbles)) {
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nsAutoString cancelableStr;
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mElement->GetAttribute(NS_LITERAL_STRING("cancelable"), cancelableStr);
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cancelable = cancelableStr.EqualsLiteral("true");
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nsAutoString bubbleStr;
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mElement->GetAttribute(NS_LITERAL_STRING("bubbles"), bubbleStr);
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bubbles = bubbleStr.EqualsLiteral("true");
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PRBool tmp;
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if (cancelableStr.IsEmpty() && bubbleStr.IsEmpty())
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nsXFormsUtils::GetEventDefaults(name, cancelable, bubbles);
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else if (cancelableStr.IsEmpty())
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nsXFormsUtils::GetEventDefaults(name, cancelable, tmp);
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else if (bubbleStr.IsEmpty())
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nsXFormsUtils::GetEventDefaults(name, tmp, bubbles);
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}
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nsCOMPtr<nsIDOMDocument> doc;
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mElement->GetOwnerDocument(getter_AddRefs(doc));
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if (!doc)
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return NS_OK;
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nsCOMPtr<nsIDOMElement> el;
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doc->GetElementById(target, getter_AddRefs(el));
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if (!el)
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return NS_OK;
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nsCOMPtr<nsIDOMDocumentEvent> docEvent = do_QueryInterface(doc);
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nsCOMPtr<nsIDOMEvent> event;
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docEvent->CreateEvent(NS_LITERAL_STRING("Events"), getter_AddRefs(event));
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event->InitEvent(name, bubbles, cancelable);
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nsCOMPtr<nsIDOMEventTarget> targetEl = do_QueryInterface(el);
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if (targetEl) {
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PRBool defaultActionEnabled;
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targetEl->DispatchEvent(event, &defaultActionEnabled);
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}
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return NS_OK;
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}
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NS_HIDDEN_(nsresult)
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NS_NewXFormsDispatchElement(nsIXTFElement **aResult)
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{
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*aResult = new nsXFormsDispatchElement();
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if (!*aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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