Adding support for UI display of installed skins and locales.
git-svn-id: svn://10.0.0.236/trunk@63565 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
hyatt%netscape.com
395
mozilla/chrome/src/nsChromeUIDataSource.cpp
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395
mozilla/chrome/src/nsChromeUIDataSource.cpp
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Original Author: David W. Hyatt (hyatt@netscape.com)
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*
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* Contributor(s):
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*/
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#include "nsCOMPtr.h"
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#include "nsChromeUIDataSource.h"
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#include "nsIRDFDataSource.h"
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#include "nsIRDFObserver.h"
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#include "nsIRDFRemoteDataSource.h"
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#include "nsCRT.h"
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#include "rdf.h"
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#include "nsIServiceManager.h"
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#include "nsIRDFService.h"
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#include "nsRDFCID.h"
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#include "nsIRDFResource.h"
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#include "nsIRDFDataSource.h"
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#include "nsIRDFContainer.h"
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#include "nsHashtable.h"
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#include "nsString.h"
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#include "nsXPIDLString.h"
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#include "nsISimpleEnumerator.h"
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#include "nsNetUtil.h"
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#include "nsISupportsArray.h"
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#include "nsIIOService.h"
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#include "nsIResProtocolHandler.h"
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////////////////////////////////////////////////////////////////////////////////
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nsChromeUIDataSource::nsChromeUIDataSource(nsIRDFDataSource* aComposite)
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{
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NS_INIT_REFCNT();
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mComposite = aComposite;
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mComposite->AddObserver(this);
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}
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nsChromeUIDataSource::~nsChromeUIDataSource()
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{
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mComposite->RemoveObserver(this);
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}
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NS_IMPL_ISUPPORTS2(nsChromeUIDataSource, nsIRDFDataSource, nsIRDFObserver);
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//----------------------------------------------------------------------
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//
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// nsIRDFDataSource interface
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//
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NS_IMETHODIMP
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nsChromeUIDataSource::GetURI(char** aURI)
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{
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*aURI = nsXPIDLCString::Copy("rdf:chrome");
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if (! *aURI)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::GetSource(nsIRDFResource* property,
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nsIRDFNode* target,
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PRBool tv,
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nsIRDFResource** source)
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{
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return mComposite->GetSource(property, target, tv, source);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::GetSources(nsIRDFResource* aProperty,
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nsIRDFNode* aTarget,
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PRBool aTruthValue,
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nsISimpleEnumerator** aResult)
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{
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return mComposite->GetSources(aProperty, aTarget, aTruthValue, aResult);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::GetTarget(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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PRBool aTruthValue,
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nsIRDFNode** aResult)
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{
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return mComposite->GetTarget(aSource, aProperty, aTruthValue, aResult);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::GetTargets(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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PRBool aTruthValue,
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nsISimpleEnumerator** aResult)
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{
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return mComposite->GetTargets(aSource, aProperty, aTruthValue, aResult);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::Assert(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget,
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PRBool aTruthValue)
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{
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nsresult rv = mComposite->Assert(aSource, aProperty, aTarget, aTruthValue);
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if (mObservers) {
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PRUint32 count;
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rv = mObservers->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (PRInt32 i = PRInt32(count) - 1; i >= 0; --i) {
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nsIRDFObserver* obs = (nsIRDFObserver*) mObservers->ElementAt(i);
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obs->OnAssert(aSource, aProperty, aTarget);
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NS_RELEASE(obs);
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}
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}
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return rv;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::Unassert(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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nsresult rv = mComposite->Unassert(aSource, aProperty, aTarget);
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if (mObservers) {
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PRUint32 count;
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rv = mObservers->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (PRInt32 i = PRInt32(count) - 1; i >= 0; --i) {
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nsIRDFObserver* obs = (nsIRDFObserver*) mObservers->ElementAt(i);
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obs->OnUnassert(aSource, aProperty, aTarget);
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NS_RELEASE(obs);
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}
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}
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return rv;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::Change(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aOldTarget,
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nsIRDFNode* aNewTarget)
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{
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nsresult rv = mComposite->Change(aSource, aProperty, aOldTarget, aNewTarget);
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if (mObservers) {
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PRUint32 count;
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rv = mObservers->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (PRInt32 i = PRInt32(count) - 1; i >= 0; --i) {
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nsIRDFObserver* obs = (nsIRDFObserver*) mObservers->ElementAt(i);
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obs->OnChange(aSource, aProperty, aOldTarget, aNewTarget);
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NS_RELEASE(obs);
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}
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}
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return rv;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::Move(nsIRDFResource* aOldSource,
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nsIRDFResource* aNewSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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nsresult rv = mComposite->Move(aOldSource, aNewSource, aProperty, aTarget);
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if (mObservers) {
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PRUint32 count;
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rv = mObservers->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (PRInt32 i = PRInt32(count) - 1; i >= 0; --i) {
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nsIRDFObserver* obs = (nsIRDFObserver*) mObservers->ElementAt(i);
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obs->OnMove(aOldSource, aNewSource, aProperty, aTarget);
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NS_RELEASE(obs);
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}
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}
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return rv;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::HasAssertion(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget,
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PRBool aTruthValue,
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PRBool* aResult)
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{
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return mComposite->HasAssertion(aSource, aProperty, aTarget, aTruthValue, aResult);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::AddObserver(nsIRDFObserver* aObserver)
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{
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NS_PRECONDITION(aObserver != nsnull, "null ptr");
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if (! aObserver)
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return NS_ERROR_NULL_POINTER;
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if (!mObservers) {
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nsresult rv;
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rv = NS_NewISupportsArray(getter_AddRefs(mObservers));
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if (NS_FAILED(rv)) return rv;
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}
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// XXX ensure uniqueness?
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mObservers->AppendElement(aObserver);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::RemoveObserver(nsIRDFObserver* aObserver)
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{
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NS_PRECONDITION(aObserver != nsnull, "null ptr");
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if (! aObserver)
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return NS_ERROR_NULL_POINTER;
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if (!mObservers)
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return NS_OK;
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mObservers->RemoveElement(aObserver);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::ArcLabelsIn(nsIRDFNode* aTarget, nsISimpleEnumerator** aResult)
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{
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return mComposite->ArcLabelsIn(aTarget, aResult);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::ArcLabelsOut(nsIRDFResource* aSource,
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nsISimpleEnumerator** aResult)
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{
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return mComposite->ArcLabelsOut(aSource, aResult);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::GetAllResources(nsISimpleEnumerator** aResult)
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{
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return mComposite->GetAllResources(aResult);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::GetAllCommands(nsIRDFResource* source,
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nsIEnumerator/*<nsIRDFResource>*/** result)
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{
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return mComposite->GetAllCommands(source, result);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::GetAllCmds(nsIRDFResource* source,
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nsISimpleEnumerator/*<nsIRDFResource>*/** result)
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{
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return mComposite->GetAllCmds(source, result);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::IsCommandEnabled(nsISupportsArray/*<nsIRDFResource>*/* aSources,
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nsIRDFResource* aCommand,
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nsISupportsArray/*<nsIRDFResource>*/* aArguments,
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PRBool* aResult)
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{
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return mComposite->IsCommandEnabled(aSources, aCommand, aArguments, aResult);
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::DoCommand(nsISupportsArray/*<nsIRDFResource>*/* aSources,
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nsIRDFResource* aCommand,
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nsISupportsArray/*<nsIRDFResource>*/* aArguments)
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{
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return mComposite->DoCommand(aSources, aCommand, aArguments);
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}
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//////////////////////////////////////////////////////////////////////
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NS_IMETHODIMP
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nsChromeUIDataSource::OnAssert(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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if (mObservers) {
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PRUint32 count;
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nsresult rv;
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rv = mObservers->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (PRInt32 i = PRInt32(count) - 1; i >= 0; --i) {
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nsIRDFObserver* obs = (nsIRDFObserver*) mObservers->ElementAt(i);
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obs->OnAssert(aSource, aProperty, aTarget);
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NS_RELEASE(obs);
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// XXX ignore return value?
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::OnUnassert(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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if (mObservers) {
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PRUint32 count;
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nsresult rv;
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rv = mObservers->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (PRInt32 i = PRInt32(count) - 1; i >= 0; --i) {
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nsIRDFObserver* obs = (nsIRDFObserver*) mObservers->ElementAt(i);
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obs->OnUnassert(aSource, aProperty, aTarget);
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NS_RELEASE(obs);
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// XXX ignore return value?
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::OnChange(nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aOldTarget,
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nsIRDFNode* aNewTarget)
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{
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if (mObservers) {
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PRUint32 count;
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nsresult rv = mObservers->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (PRInt32 i = PRInt32(count) - 1; i >= 0; --i) {
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nsIRDFObserver* obs = (nsIRDFObserver*) mObservers->ElementAt(i);
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obs->OnChange(aSource, aProperty, aOldTarget, aNewTarget);
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NS_RELEASE(obs);
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// XXX ignore return value?
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsChromeUIDataSource::OnMove(nsIRDFResource* aOldSource,
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nsIRDFResource* aNewSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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if (mObservers) {
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PRUint32 count;
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nsresult rv = mObservers->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (PRInt32 i = PRInt32(count) - 1; i >= 0; --i) {
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nsIRDFObserver* obs = (nsIRDFObserver*) mObservers->ElementAt(i);
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obs->OnMove(aOldSource, aNewSource, aProperty, aTarget);
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NS_RELEASE(obs);
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// XXX ignore return value?
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}
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}
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return NS_OK;
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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nsresult
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NS_NewChromeUIDataSource(nsIRDFDataSource* aComposite, nsIRDFDataSource** aResult)
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{
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NS_PRECONDITION(aResult != nsnull, "null ptr");
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if (! aResult)
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return NS_ERROR_NULL_POINTER;
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nsChromeUIDataSource* ChromeUIDataSource = new nsChromeUIDataSource(aComposite);
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if (ChromeUIDataSource == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(ChromeUIDataSource);
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*aResult = ChromeUIDataSource;
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return NS_OK;
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}
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Reference in New Issue
Block a user