mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-06 09:05:45 +00:00
242 lines
7.4 KiB
C++
242 lines
7.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla XForms support.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Olli Pettay.
|
|
* Portions created by the Initial Developer are Copyright (C) 2004
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Olli Pettay <Olli.Pettay@helsinki.fi> (original author)
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsXFormsActionElement.h"
|
|
#include "nsIXFormsModelElement.h"
|
|
#include "nsIDOMNodeList.h"
|
|
#include "nsIDOMDocument.h"
|
|
#include "nsIDOMEvent.h"
|
|
#include "nsIDOMElement.h"
|
|
#include "nsIXTFXMLVisualWrapper.h"
|
|
|
|
#define ACTION_STYLE_HIDDEN \
|
|
"position:absolute;z-index:2147483647;visibility:hidden;"
|
|
|
|
#define DEFERRED_REBUILD 0x01
|
|
#define DEFERRED_RECALCULATE 0x02
|
|
#define DEFERRED_REVALIDATE 0x04
|
|
#define DEFERRED_REFRESH 0x08
|
|
|
|
nsXFormsActionElement::nsXFormsActionElement()
|
|
{
|
|
}
|
|
|
|
NS_IMPL_ADDREF_INHERITED(nsXFormsActionElement, nsXFormsXMLVisualStub)
|
|
NS_IMPL_RELEASE_INHERITED(nsXFormsActionElement, nsXFormsXMLVisualStub)
|
|
|
|
NS_INTERFACE_MAP_BEGIN(nsXFormsActionElement)
|
|
NS_INTERFACE_MAP_ENTRY(nsIXFormsActionModuleElement)
|
|
NS_INTERFACE_MAP_ENTRY(nsIXFormsActionElement)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMEventListener)
|
|
NS_INTERFACE_MAP_END_INHERITING(nsXFormsXMLVisualStub)
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::OnCreated(nsIXTFXMLVisualWrapper *aWrapper)
|
|
{
|
|
nsresult rv;
|
|
rv = aWrapper->GetElementNode(getter_AddRefs(mElement));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
mElement->GetOwnerDocument(getter_AddRefs(domDoc));
|
|
rv = domDoc->CreateElementNS(NS_LITERAL_STRING(NS_NAMESPACE_XHTML),
|
|
NS_LITERAL_STRING("div"),
|
|
getter_AddRefs(mVisualElement));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
if (mVisualElement)
|
|
mVisualElement->SetAttribute(NS_LITERAL_STRING("style"),
|
|
NS_LITERAL_STRING(ACTION_STYLE_HIDDEN));
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::GetVisualContent(nsIDOMElement **aElement)
|
|
{
|
|
NS_IF_ADDREF(*aElement = mVisualElement);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::GetInsertionPoint(nsIDOMElement **aElement)
|
|
{
|
|
NS_IF_ADDREF(*aElement = mVisualElement);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::OnDestroyed() {
|
|
mParentAction = nsnull;
|
|
mVisualElement = nsnull;
|
|
mElement = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::HandleEvent(nsIDOMEvent* aEvent)
|
|
{
|
|
if (!aEvent)
|
|
return NS_ERROR_INVALID_ARG;
|
|
return HandleAction(aEvent, nsnull);
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(PLDHashOperator) DoDeferredActions(nsISupports * aModel,
|
|
PRUint32 aDeferred,
|
|
void * data)
|
|
{
|
|
if (aModel && aDeferred) {
|
|
nsCOMPtr<nsIDOMNode> element = NS_STATIC_CAST(nsIDOMNode *, aModel);
|
|
if (aDeferred & DEFERRED_REBUILD)
|
|
nsXFormsUtils::DispatchEvent(element, eEvent_Rebuild);
|
|
if (aDeferred & DEFERRED_RECALCULATE)
|
|
nsXFormsUtils::DispatchEvent(element, eEvent_Recalculate);
|
|
if (aDeferred & DEFERRED_REVALIDATE)
|
|
nsXFormsUtils::DispatchEvent(element, eEvent_Revalidate);
|
|
if (aDeferred & DEFERRED_REFRESH)
|
|
nsXFormsUtils::DispatchEvent(element, eEvent_Refresh);
|
|
}
|
|
return PL_DHASH_NEXT;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::HandleAction(nsIDOMEvent* aEvent,
|
|
nsIXFormsActionElement *aParentAction)
|
|
{
|
|
if (!mElement)
|
|
return NS_OK;
|
|
|
|
if (!mDeferredUpdates.IsInitialized()) {
|
|
if (!mDeferredUpdates.Init())
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
else {
|
|
mDeferredUpdates.Clear();
|
|
}
|
|
|
|
mParentAction = aParentAction;
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
mElement->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (!childNodes)
|
|
return NS_OK;
|
|
PRUint32 count;
|
|
childNodes->GetLength(&count);
|
|
nsCOMPtr<nsIXFormsActionModuleElement> actionChild;
|
|
nsCOMPtr<nsIDOMEvent> event(aEvent);
|
|
for (PRUint32 i = 0; i < count; ++i) {
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
childNodes->Item(i, getter_AddRefs(child));
|
|
actionChild = do_QueryInterface(child);
|
|
if (actionChild)
|
|
actionChild->HandleAction(event, this);
|
|
}
|
|
if (!aParentAction) //Otherwise parent will handle deferred updates
|
|
mDeferredUpdates.EnumerateRead(DoDeferredActions, nsnull);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::SetRebuild(nsIDOMNode* aModel, PRBool aEnable)
|
|
{
|
|
if (mParentAction)
|
|
return mParentAction->SetRebuild(aModel, aEnable);
|
|
PRUint32 deferred = 0;
|
|
mDeferredUpdates.Get(aModel, &deferred);
|
|
if (aEnable)
|
|
deferred |= DEFERRED_REBUILD;
|
|
else
|
|
deferred &= ~DEFERRED_REBUILD;
|
|
mDeferredUpdates.Put(aModel, deferred);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::SetRecalculate(nsIDOMNode* aModel, PRBool aEnable)
|
|
{
|
|
if (mParentAction)
|
|
return mParentAction->SetRecalculate(aModel, aEnable);
|
|
PRUint32 deferred = 0;
|
|
mDeferredUpdates.Get(aModel, &deferred);
|
|
if (aEnable)
|
|
deferred |= DEFERRED_RECALCULATE;
|
|
else
|
|
deferred &= ~DEFERRED_RECALCULATE;
|
|
mDeferredUpdates.Put(aModel, deferred);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::SetRevalidate(nsIDOMNode* aModel, PRBool aEnable)
|
|
{
|
|
if (mParentAction)
|
|
return mParentAction->SetRevalidate(aModel, aEnable);
|
|
PRUint32 deferred = 0;
|
|
mDeferredUpdates.Get(aModel, &deferred);
|
|
if (aEnable)
|
|
deferred |= DEFERRED_REVALIDATE;
|
|
else
|
|
deferred &= ~DEFERRED_REVALIDATE;
|
|
mDeferredUpdates.Put(aModel, deferred);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXFormsActionElement::SetRefresh(nsIDOMNode* aModel, PRBool aEnable)
|
|
{
|
|
if (mParentAction)
|
|
return mParentAction->SetRefresh(aModel, aEnable);
|
|
PRUint32 deferred = 0;
|
|
mDeferredUpdates.Get(aModel, &deferred);
|
|
if (aEnable)
|
|
deferred |= DEFERRED_REFRESH;
|
|
else
|
|
deferred &= ~DEFERRED_REFRESH;
|
|
mDeferredUpdates.Put(aModel, deferred);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_HIDDEN_(nsresult)
|
|
NS_NewXFormsActionElement(nsIXTFElement **aResult)
|
|
{
|
|
*aResult = new nsXFormsActionElement();
|
|
if (!*aResult)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
NS_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|