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annotate dwt/browser/SimpleEnumerator.d @ 348:9a4d7706df52

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Test Update to fix linux XPCOM interface issues
author John Reimer <terminal.node@gmail.com>
date Fri, 31 Oct 2008 21:46:44 -0700
parents 8198e6052012
children
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1 /*******************************************************************************
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2 * Copyright (c) 2003, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * John Reimer <terminal.node@gmail.com>
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12 *******************************************************************************/
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13 module dwt.browser.SimpleEnumerator;
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15 //import dwt.dwthelper.utils;
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17 //import dwt.internal.C;
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18 import XPCOM = dwt.internal.mozilla.XPCOM;
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20 import dwt.internal.mozilla.Common;
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21 import dwt.internal.mozilla.nsID;
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22 import dwt.internal.mozilla.nsISimpleEnumerator;
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23 import dwt.internal.mozilla.nsISupports;
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25 class SimpleEnumerator : nsISimpleEnumerator{
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26 int refCount = 0;
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27 nsISupports[] values;
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28 int index = 0;
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30 this (nsISupports[] values) {
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31 this.values = values;
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32 for (int i = 0; i < values.length; i++) {
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33 values[i].AddRef ();
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34 }
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35 }
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37 extern(System)
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38 nsrefcnt AddRef () {
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39 refCount++;
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40 return refCount;
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41 }
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43 extern(System)
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44 nsresult QueryInterface (nsID* riid, void** ppvObject) {
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45 if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE;
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46 //nsID guid = new nsID ();
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47 //XPCOM.memmove (guid, riid, nsID.sizeof);
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49 if (*riid == nsISupports.IID) {
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50 *ppvObject = cast(void*)cast(nsISupports)this;
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51 AddRef ();
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52 return XPCOM.NS_OK;
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53 }
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54 if (*riid == nsISimpleEnumerator.IID) {
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55 *ppvObject = cast(void*)cast(nsISimpleEnumerator)this;
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56 AddRef ();
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57 return XPCOM.NS_OK;
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58 }
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60 *ppvObject = null;
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61 return XPCOM.NS_ERROR_NO_INTERFACE;
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62 }
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64 extern(System)
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65 nsresult Release () {
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66 refCount--;
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67 //if (refCount is 0) disposeCOMInterfaces ();
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68 return refCount;
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69 }
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71 extern(System)
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72 nsresult HasMoreElements (PRBool* _retval) {
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73 bool more = values !is null && index < values.length;
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74 *_retval = more ? 1 : 0; /*PRBool */
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75 return XPCOM.NS_OK;
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76 }
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78 extern(System)
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79 nsresult GetNext (nsISupports* _retval) {
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80 if (values is null || index is values.length) return XPCOM.NS_ERROR_UNEXPECTED;
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81 nsISupports value = values[index++];
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82 value.AddRef ();
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83 *_retval = value;
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84 return XPCOM.NS_OK;
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85 }
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86 }
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