Mercurial > projects > dwt-win
annotate dwt/ole/win32/OlePropertyChangeSink.d @ 301:244e3774d515
Fixed missing casts to interface types.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 28 Aug 2008 15:57:57 +0200 |
| parents | fd9c62a2998e |
| children |
| rev | line source |
|---|---|
| 98 | 1 /******************************************************************************* |
| 246 | 2 * Copyright (c) 2000, 2007 IBM Corporation and others. |
| 98 | 3 * All rights reserved. This program and the accompanying materials |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwt.ole.win32.OlePropertyChangeSink; | |
| 14 | |
| 15 | |
| 16 import dwt.DWT; | |
| 17 import dwt.DWTException; | |
| 18 import dwt.internal.ole.win32.COM; | |
| 19 import dwt.internal.ole.win32.extras; | |
| 20 import dwt.internal.ole.win32.ifs; | |
| 21 | |
| 22 import dwt.ole.win32.OleControlSite; | |
| 23 import dwt.ole.win32.OleEventTable; | |
| 24 import dwt.ole.win32.OleListener; | |
| 25 import dwt.ole.win32.OleEvent; | |
| 26 import dwt.ole.win32.OleEventTable; | |
| 27 import dwt.ole.win32.OLE; | |
| 28 | |
| 29 final class OlePropertyChangeSink { | |
| 30 | |
| 31 private OleControlSite controlSite; | |
| 32 //private IUnknown objIUnknown; | |
| 33 | |
| 34 //private COMObject iUnknown; | |
| 35 private _IPropertyNotifySinkImpl iPropertyNotifySink; | |
| 36 | |
| 37 private int refCount; | |
| 38 | |
| 39 private int propertyCookie; | |
| 40 | |
| 41 private OleEventTable eventTable; | |
| 42 | |
| 43 this(OleControlSite controlSite) { | |
| 44 | |
| 45 this.controlSite = controlSite; | |
| 46 | |
| 47 createCOMInterfaces(); | |
| 48 } | |
| 49 void addListener(int propertyID, OleListener listener) { | |
| 50 if (listener is null) OLE.error (__FILE__, __LINE__, DWT.ERROR_NULL_ARGUMENT); | |
| 51 if (eventTable is null) eventTable = new OleEventTable (); | |
| 52 eventTable.hook(propertyID, listener); | |
| 53 } | |
| 54 int AddRef() { | |
| 55 refCount++; | |
| 56 return refCount; | |
| 57 } | |
| 58 void connect(IUnknown objIUnknown) { | |
| 59 | |
| 60 // Set up property change notification sink | |
| 61 IConnectionPointContainer cpc; | |
| 62 if (objIUnknown.QueryInterface(&COM.IIDIConnectionPointContainer, cast(void**)&cpc) is COM.S_OK) { | |
| 63 IConnectionPoint cp; | |
| 64 if (cpc.FindConnectionPoint(&COM.IIDIPropertyNotifySink, &cp) is COM.S_OK) { | |
| 65 uint cookie; | |
| 66 if (cp.Advise(iPropertyNotifySink, &cookie) is COM.S_OK) { | |
| 67 propertyCookie = cookie; | |
| 68 } | |
| 69 cp.Release(); | |
| 70 } | |
| 71 cpc.Release(); | |
| 72 } | |
| 73 } | |
| 74 protected void createCOMInterfaces() { | |
| 75 // register each of the interfaces that this object implements | |
| 76 iPropertyNotifySink = new _IPropertyNotifySinkImpl(this); | |
| 77 } | |
| 78 void disconnect(IUnknown objIUnknown) { | |
| 79 | |
| 80 // disconnect property notification sink | |
| 81 if (propertyCookie !is 0 && objIUnknown !is null) { | |
| 82 IConnectionPointContainer cpc; | |
| 83 if (objIUnknown.QueryInterface(&COM.IIDIConnectionPointContainer, cast(void**)&cpc) is COM.S_OK) { | |
| 84 IConnectionPoint cp; | |
| 85 if (cpc.FindConnectionPoint(&COM.IIDIPropertyNotifySink, &cp) is COM.S_OK) { | |
| 86 if (cp.Unadvise(propertyCookie) is COM.S_OK) { | |
| 87 propertyCookie = 0; | |
| 88 } | |
| 89 cp.Release(); | |
| 90 } | |
| 91 cpc.Release(); | |
| 92 } | |
| 93 } | |
| 94 } | |
| 95 private void disposeCOMInterfaces() { | |
| 96 iPropertyNotifySink = null; | |
| 97 } | |
| 98 /** | |
| 99 * Notify listeners of an event. | |
| 100 * <p> | |
| 101 * This method notifies all listeners that an event | |
| 102 * has occurred. | |
| 103 * | |
| 104 * @param eventType the desired DWT event | |
| 105 * @param event the event data | |
| 106 * | |
| 107 * @exception IllegalArgumentException <ul> | |
| 108 * <li>ERROR_NULL_ARGUMENT when handler is null</li> | |
| 109 * </ul> | |
| 110 * @exception DWTException <ul> | |
| 111 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 112 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 113 * </ul> | |
| 114 */ | |
| 115 private void notifyListener (int eventType, OleEvent event) { | |
| 116 if (event is null) OLE.error (__FILE__, __LINE__, DWT.ERROR_NULL_ARGUMENT); | |
| 117 if (eventTable is null) return; | |
| 118 event.type = eventType; | |
| 119 event.widget = controlSite; | |
| 120 eventTable.sendEvent (event); | |
| 121 } | |
| 122 package int OnChanged(int dispID) { | |
| 123 if (eventTable is null || !eventTable.hooks(dispID)) return COM.S_OK; | |
| 124 OleEvent event = new OleEvent(); | |
| 125 event.detail = OLE.PROPERTY_CHANGED; | |
| 126 notifyListener(dispID,event); | |
| 127 return COM.S_OK; | |
| 128 } | |
| 129 package int OnRequestEdit(int dispID) { | |
| 130 if (eventTable is null || !eventTable.hooks(dispID)) return COM.S_OK; | |
| 131 OleEvent event = new OleEvent(); | |
| 132 event.doit = true; | |
| 133 event.detail = OLE.PROPERTY_CHANGING; | |
| 134 notifyListener(dispID,event); | |
| 135 return (event.doit) ? COM.S_OK : COM.S_FALSE; | |
| 136 } | |
| 137 protected HRESULT QueryInterface(REFIID riid, void ** ppvObject) { | |
| 138 if (riid is null || ppvObject is null) | |
| 139 return COM.E_INVALIDARG; | |
| 140 | |
| 141 if (COM.IsEqualGUID(riid, &COM.IIDIPropertyNotifySink)) { | |
|
301
244e3774d515
Fixed missing casts to interface types.
Frank Benoit <benoit@tionex.de>
parents:
246
diff
changeset
|
142 *ppvObject = cast(void*)cast(IPropertyNotifySink)iPropertyNotifySink; |
| 98 | 143 AddRef(); |
| 144 return COM.S_OK; | |
| 145 } | |
| 146 *ppvObject = null; | |
| 147 return COM.E_NOINTERFACE; | |
| 148 } | |
| 149 int Release() { | |
| 150 refCount--; | |
| 151 if (refCount is 0) { | |
| 152 disposeCOMInterfaces(); | |
| 153 } | |
| 154 return refCount; | |
| 155 } | |
| 156 void removeListener(int propertyID, OleListener listener) { | |
| 157 if (listener is null) OLE.error (__FILE__, __LINE__, DWT.ERROR_NULL_ARGUMENT); | |
| 158 if (eventTable is null) return; | |
| 159 eventTable.unhook (propertyID, listener); | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 | |
| 164 private class _IPropertyNotifySinkImpl : IPropertyNotifySink { | |
| 165 | |
| 166 OlePropertyChangeSink parent; | |
| 167 this(OlePropertyChangeSink p) { parent = p; } | |
| 168 extern (Windows): | |
| 169 // interface of IUnknown | |
| 170 HRESULT QueryInterface(REFIID riid, void ** ppvObject) { return parent.QueryInterface(riid, ppvObject); } | |
| 171 ULONG AddRef() { return parent.AddRef(); } | |
| 172 ULONG Release() { return parent.Release(); } | |
| 173 | |
| 174 // interface of IPropertyNotifySink | |
| 175 int OnChanged(int dispID) { return parent.OnChanged(dispID); } | |
| 176 int OnRequestEdit(int dispID) { return parent.OnRequestEdit(dispID); } | |
| 177 } | |
| 178 | |
| 179 | |
| 180 | |
| 181 |