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comparison dwt/internal/Callback.d @ 11:a329f9c3d66d

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Ported dwt.internal.cocoa.SWT* again
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Fri, 22 Aug 2008 15:39:51 +0200
parents 8b48be5454ce
children f565d3a95c0a
comparison
equal deleted inserted replaced
2:354c569b57a9 11:a329f9c3d66d
13 *******************************************************************************/ 13 *******************************************************************************/
14 module dwt.internal.Callback; 14 module dwt.internal.Callback;
15 15
16 import dwt.dwthelper.utils; 16 import dwt.dwthelper.utils;
17 import dwt.internal.C; 17 import dwt.internal.C;
18 import c = dwt.internal.c.callback;
18 19
19 /** 20 /**
20 * Instances of this class represent entry points into Java 21 * Instances of this class represent entry points into Java
21 * which can be invoked from operating system level callback 22 * which can be invoked from operating system level callback
22 * routines. 23 * routines.
136 * @param isArrayBased whether the callback's method is array based 137 * @param isArrayBased whether the callback's method is array based
137 * @param errorResult the callback's error result 138 * @param errorResult the callback's error result
138 */ 139 */
139 static synchronized int /*long*/ bind (Callback callback, Object object, String method, String signature, int argCount, boolean isStatic, boolean isArrayBased, int /*long*/ errorResult) 140 static synchronized int /*long*/ bind (Callback callback, Object object, String method, String signature, int argCount, boolean isStatic, boolean isArrayBased, int /*long*/ errorResult)
140 { 141 {
141 142 return c.bind(callback, object, method, signature, argCount, isStatic, isArrayBased, errorResult);
142 } 143 }
143 144
144 /** 145 /**
145 * Releases the native level resources associated with the callback, 146 * Releases the native level resources associated with the callback,
146 * and removes all references between the callback and 147 * and removes all references between the callback and
147 * other objects. This helps to prevent (bad) application code 148 * other objects. This helps to prevent (bad) application code
148 * from accidentally holding onto extraneous garbage. 149 * from accidentally holding onto extraneous garbage.
149 */ 150 */
150 public void dispose () { 151 public void dispose () {
151 if (object == null) return; 152 if (object is null) return;
152 unbind (this); 153 unbind (this);
153 object = method = signature = null; 154 object = method = signature = null;
154 address = 0; 155 address = 0;
155 } 156 }
156 157
180 * 181 *
181 * @return the entry count 182 * @return the entry count
182 * 183 *
183 * @since 2.1 184 * @since 2.1
184 */ 185 */
185 public static int getEntryCount (); 186 public static int getEntryCount ()
187 {
188 return c.getEntryCount;
189 }
186 190
187 static String getSignature(int argCount) { 191 static String getSignature(int argCount) {
188 String signature = "("; //$NON-NLS-1$ 192 String signature = "("; //$NON-NLS-1$
189 for (int i = 0; i < argCount; i++) signature += PTR_SIGNATURE; 193 for (int i = 0; i < argCount; i++) signature = PTR_SIGNATURE;
190 signature += ")" + PTR_SIGNATURE; //$NON-NLS-1$ 194 signature += ")" ~ PTR_SIGNATURE; //$NON-NLS-1$
191 return signature; 195 return signature;
192 } 196 }
193 197
194 /** 198 /**
195 * Indicates whether or not callbacks which are triggered at the 199 * Indicates whether or not callbacks which are triggered at the
201 * Note: This should not be called by application code. 205 * Note: This should not be called by application code.
202 * </p> 206 * </p>
203 * 207 *
204 * @param enable true if callbacks should be invoked 208 * @param enable true if callbacks should be invoked
205 */ 209 */
206 public static final synchronized void setEnabled (boolean enable); 210 public static final synchronized void setEnabled (boolean enable)
211 {
212 return c.setEnabled(enable);
213 }
207 214
208 /** 215 /**
209 * Returns whether or not callbacks which are triggered at the 216 * Returns whether or not callbacks which are triggered at the
210 * native level should cause the messages described by the matching 217 * native level should cause the messages described by the matching
211 * <code>Callback</code> objects to be invoked. This method is used 218 * <code>Callback</code> objects to be invoked. This method is used
215 * Note: This should not be called by application code. 222 * Note: This should not be called by application code.
216 * </p> 223 * </p>
217 * 224 *
218 * @return true if callbacks should not be invoked 225 * @return true if callbacks should not be invoked
219 */ 226 */
220 public static final synchronized boolean getEnabled (); 227 public static final synchronized boolean getEnabled ()
228 {
229 return c.getEnabled;
230 }
221 231
222 /** 232 /**
223 * This might be called directly from native code in environments 233 * This might be called directly from native code in environments
224 * which can generate spurious events. Check before removing it. 234 * which can generate spurious events. Check before removing it.
225 * 235 *
244 /** 254 /**
245 * Releases the native level resources associated with the callback. 255 * Releases the native level resources associated with the callback.
246 * 256 *
247 * @see #dispose 257 * @see #dispose
248 */ 258 */
249 static final synchronized void unbind (Callback callback); 259 static final synchronized void unbind (Callback callback)
250 260 {
251 } 261 c.unbind(callback);
262 }
263
264 }