content/xul/templates/src/nsXULTemplateResultStorage.cpp

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is Neil Deakin
  18  * Portions created by the Initial Developer are Copyright (C) 2005
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *     Laurent Jouanneau <laurent.jouanneau@disruptive-innovations.com>
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either of the GNU General Public License Version 2 or later (the "GPL"),
  26  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
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  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #include "nsIServiceManager.h"
  39 #include "nsRDFCID.h"
  40 #include "nsIRDFService.h"
  41
  42 #include "nsXULTemplateResultStorage.h"
  43
  44 static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
  45
  46 NS_IMPL_ISUPPORTS1(nsXULTemplateResultStorage, nsIXULTemplateResult)
  47
  48 nsXULTemplateResultStorage::nsXULTemplateResultStorage(nsXULTemplateResultSetStorage* aResultSet)
  49 {
  50     nsCOMPtr<nsIRDFService> rdfService = do_GetService(kRDFServiceCID);
  51     rdfService->GetAnonymousResource(getter_AddRefs(mNode));
  52     mResultSet = aResultSet;
  53     if (aResultSet) {
  54         mResultSet->FillColumnValues(mValues);
  55     }
  56 }
  57
  58 NS_IMETHODIMP
  59 nsXULTemplateResultStorage::GetIsContainer(PRBool* aIsContainer)
  60 {
  61     *aIsContainer = PR_FALSE;
  62     return NS_OK;
  63 }
  64
  65 NS_IMETHODIMP
  66 nsXULTemplateResultStorage::GetIsEmpty(PRBool* aIsEmpty)
  67 {
  68     *aIsEmpty = PR_TRUE;
  69     return NS_OK;
  70 }
  71
  72 NS_IMETHODIMP
  73 nsXULTemplateResultStorage::GetMayProcessChildren(PRBool* aMayProcessChildren)
  74 {
  75     *aMayProcessChildren = PR_FALSE;
  76     return NS_OK;
  77 }
  78
  79 NS_IMETHODIMP
  80 nsXULTemplateResultStorage::GetId(nsAString& aId)
  81 {
  82     const char* uri = nsnull;
  83     mNode->GetValueConst(&uri);
  84
  85     aId.Assign(NS_ConvertUTF8toUTF16(uri));
  86
  87     return NS_OK;
  88 }
  89
  90 NS_IMETHODIMP
  91 nsXULTemplateResultStorage::GetResource(nsIRDFResource** aResource)
  92 {
  93     *aResource = mNode;
  94     NS_IF_ADDREF(*aResource);
  95     return NS_OK;
  96 }
  97
  98 NS_IMETHODIMP
  99 nsXULTemplateResultStorage::GetType(nsAString& aType)
 100 {
 101     aType.Truncate();
 102     return NS_OK;
 103 }
 104
 105
 106 NS_IMETHODIMP
 107 nsXULTemplateResultStorage::GetBindingFor(nsIAtom* aVar, nsAString& aValue)
 108 {
 109     NS_ENSURE_ARG_POINTER(aVar);
 110
 111     aValue.Truncate();
 112     if (!mResultSet) {
 113         return NS_OK;
 114     }
 115
 116     PRInt32 idx = mResultSet->GetColumnIndex(aVar);
 117     if (idx < 0) {
 118         return NS_OK;
 119     }
 120
 121     nsIVariant * value = mValues[idx];
 122     if (value) {
 123         value->GetAsAString(aValue);
 124     }
 125     return NS_OK;
 126 }
 127
 128 NS_IMETHODIMP
 129 nsXULTemplateResultStorage::GetBindingObjectFor(nsIAtom* aVar, nsISupports** aValue)
 130 {
 131     NS_ENSURE_ARG_POINTER(aVar);
 132
 133     if (mResultSet) {
 134         PRInt32 idx = mResultSet->GetColumnIndex(aVar);
 135         if (idx >= 0) {
 136             *aValue = mValues[idx];
 137             NS_IF_ADDREF(*aValue);
 138             return NS_OK;
 139         }
 140     }
 141     *aValue = nsnull;
 142     return NS_OK;
 143 }
 144
 145 NS_IMETHODIMP
 146 nsXULTemplateResultStorage::RuleMatched(nsISupports* aQuery, nsIDOMNode* aRuleNode)
 147 {
 148     return NS_OK;
 149 }
 150
 151 NS_IMETHODIMP
 152 nsXULTemplateResultStorage::HasBeenRemoved()
 153 {
 154     return NS_OK;
 155 }