1 /*
2 * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
82 if (isDisposed()) {
83 throw new IllegalStateException("Disposed");
84 }
85 if (executed) {
86 throw new IllegalStateException("Already executed");
87 }
88 executed = true;
89
90 if (isCachingSupported() && isCached()) {
91 readFromCache();
92 return XConstants.Success;
93 }
94
95 // Fix for performance problem - IgnodeBadWindowHandler is
96 // used too much without reason, just ignore it
97 if (errorHandler instanceof XErrorHandler.IgnoreBadWindowHandler) {
98 errorHandler = null;
99 }
100
101 if (errorHandler != null) {
102 XToolkit.WITH_XERROR_HANDLER(errorHandler);
103 }
104 Native.putLong(data, 0);
105 int status = XlibWrapper.XGetWindowProperty(XToolkit.getDisplay(), window, property.getAtom(),
106 offset, length, (auto_delete?1:0), type,
107 actual_type, actual_format, nitems_ptr,
108 bytes_after, data);
109 if (isCachingSupported() && status == XConstants.Success && getData() != 0 && isCacheableProperty(property)) {
110 // Property has some data, we cache them
111 cacheProperty();
112 }
113
114 if (errorHandler != null) {
115 XToolkit.RESTORE_XERROR_HANDLER();
116 }
117 return status;
118 } finally {
119 XToolkit.awtUnlock();
120 }
121 }
122
123 public boolean isExecuted() {
124 return executed;
125 }
126
127 public boolean isDisposed() {
128 return disposer.disposed;
129 }
130
131 public int getActualFormat() {
132 if (isDisposed()) {
133 throw new IllegalStateException("Disposed");
134 }
135 if (!executed) {
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1 /*
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
82 if (isDisposed()) {
83 throw new IllegalStateException("Disposed");
84 }
85 if (executed) {
86 throw new IllegalStateException("Already executed");
87 }
88 executed = true;
89
90 if (isCachingSupported() && isCached()) {
91 readFromCache();
92 return XConstants.Success;
93 }
94
95 // Fix for performance problem - IgnodeBadWindowHandler is
96 // used too much without reason, just ignore it
97 if (errorHandler instanceof XErrorHandler.IgnoreBadWindowHandler) {
98 errorHandler = null;
99 }
100
101 if (errorHandler != null) {
102 XErrorHandlerUtil.WITH_XERROR_HANDLER(errorHandler);
103 }
104 Native.putLong(data, 0);
105 int status = XlibWrapper.XGetWindowProperty(XToolkit.getDisplay(), window, property.getAtom(),
106 offset, length, (auto_delete?1:0), type,
107 actual_type, actual_format, nitems_ptr,
108 bytes_after, data);
109 if (isCachingSupported() && status == XConstants.Success && getData() != 0 && isCacheableProperty(property)) {
110 // Property has some data, we cache them
111 cacheProperty();
112 }
113
114 if (errorHandler != null) {
115 XErrorHandlerUtil.RESTORE_XERROR_HANDLER();
116 }
117 return status;
118 } finally {
119 XToolkit.awtUnlock();
120 }
121 }
122
123 public boolean isExecuted() {
124 return executed;
125 }
126
127 public boolean isDisposed() {
128 return disposer.disposed;
129 }
130
131 public int getActualFormat() {
132 if (isDisposed()) {
133 throw new IllegalStateException("Disposed");
134 }
135 if (!executed) {
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