Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "nscore.h"
       7             : #include "nsCOMPtr.h"
       8             : 
       9             : #include "nsXULTemplateQueryProcessorRDF.h"
      10             : #include "nsRDFQuery.h"
      11             : 
      12           0 : NS_IMPL_CYCLE_COLLECTION(nsRDFQuery, mQueryNode)
      13             : 
      14           0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsRDFQuery)
      15           0 :   NS_INTERFACE_MAP_ENTRY(nsITemplateRDFQuery)
      16           0 :   NS_INTERFACE_MAP_ENTRY(nsISupports)
      17           0 : NS_INTERFACE_MAP_END
      18             : 
      19           0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(nsRDFQuery)
      20           0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(nsRDFQuery)
      21             : 
      22             : void
      23           0 : nsRDFQuery::Finish()
      24             : {
      25             :     // the template builder is going away and the query processor likely as
      26             :     // well. Clear the reference to avoid calling it.
      27           0 :     mProcessor = nullptr;
      28           0 :     mCachedResults = nullptr;
      29           0 : }
      30             : 
      31             : nsresult
      32           0 : nsRDFQuery::SetCachedResults(nsXULTemplateQueryProcessorRDF* aProcessor,
      33             :                              const InstantiationSet& aInstantiations)
      34             : {
      35           0 :     mCachedResults = new nsXULTemplateResultSetRDF(aProcessor, this, &aInstantiations);
      36           0 :     return NS_OK;
      37             : }
      38             : 
      39             : 
      40             : void
      41           0 : nsRDFQuery::UseCachedResults(nsISimpleEnumerator** aResults)
      42             : {
      43           0 :     *aResults = mCachedResults;
      44           0 :     NS_IF_ADDREF(*aResults);
      45             : 
      46           0 :     mCachedResults = nullptr;
      47           0 : }