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
23 * questions.
24 */
25
26 package sun.awt.windows;
27
28 import java.awt.Color;
29 import java.awt.Dimension;
30 import java.awt.Insets;
31 import java.awt.Point;
32 import java.util.HashMap;
33 import java.util.Map;
34 import java.util.concurrent.locks.Lock;
35 import java.util.concurrent.locks.ReadWriteLock;
36 import java.util.concurrent.locks.ReentrantReadWriteLock;
37
38 /* !!!! WARNING !!!!
39 * This class has to be in sync with
40 * src/solaris/classes/sun/awt/windows/ThemeReader.java
41 * while we continue to build WinL&F on solaris
42 */
43
44
45 /**
46 * Implements Theme Support for Windows XP.
47 *
48 * @author Sergey Salishev
49 * @author Bino George
50 * @author Igor Kushnirskiy
51 */
52 public final class ThemeReader {
53
54 private static final Map<String, Long> widgetToTheme = new HashMap<>();
55
56 // lock for the cache
57 // reading should be done with readLock
58 // writing with writeLock
59 private static final ReadWriteLock readWriteLock =
60 new ReentrantReadWriteLock();
61 private static final Lock readLock = readWriteLock.readLock();
62 private static final Lock writeLock = readWriteLock.writeLock();
63
64 static void flush() {
65 writeLock.lock();
66 try {
67 // Close old themes.
68 for (Long value : widgetToTheme.values()) {
69 closeTheme(value.longValue());
70 }
71 widgetToTheme.clear();
72 } finally {
73 writeLock.unlock();
74 }
75 }
76
77 public static native boolean isThemed();
78
79 // this should be called only with writeLock held
80 private static Long getThemeImpl(String widget) {
81 Long theme = widgetToTheme.get(widget);
82 if (theme == null) {
83 int i = widget.indexOf("::");
102 Long theme = widgetToTheme.get(widget);
103 if (theme == null) {
104 readLock.unlock();
105 writeLock.lock();
106 try {
107 theme = getThemeImpl(widget);
108 } finally {
109 readLock.lock();
110 writeLock.unlock();// Unlock write, still hold read
111 }
112 }
113 return theme;
114 }
115
116 private static native void paintBackground(int[] buffer, long theme,
117 int part, int state, int x,
118 int y, int w, int h, int stride);
119
120 public static void paintBackground(int[] buffer, String widget,
121 int part, int state, int x, int y, int w, int h, int stride) {
122 readLock.lock();
123 try {
124 paintBackground(buffer, getTheme(widget), part, state, x, y, w, h, stride);
125 } finally {
126 readLock.unlock();
127 }
128 }
129
130 private static native Insets getThemeMargins(long theme, int part,
131 int state, int marginType);
132
133 public static Insets getThemeMargins(String widget, int part, int state, int marginType) {
134 readLock.lock();
135 try {
136 return getThemeMargins(getTheme(widget), part, state, marginType);
137 } finally {
138 readLock.unlock();
139 }
140 }
141
142 private static native boolean isThemePartDefined(long theme, int part, int state);
143
144 public static boolean isThemePartDefined(String widget, int part, int state) {
145 readLock.lock();
146 try {
147 return isThemePartDefined(getTheme(widget), part, state);
148 } finally {
149 readLock.unlock();
150 }
151 }
152
153 private static native Color getColor(long theme, int part, int state,
154 int property);
155
156 public static Color getColor(String widget, int part, int state, int property) {
157 readLock.lock();
158 try {
159 return getColor(getTheme(widget), part, state, property);
160 } finally {
161 readLock.unlock();
162 }
163 }
164
|
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
23 * questions.
24 */
25
26 package sun.awt.windows;
27
28 import java.awt.Color;
29 import java.awt.Dimension;
30 import java.awt.Insets;
31 import java.awt.Point;
32 import java.util.HashMap;
33 import java.util.Map;
34 import java.util.concurrent.atomic.AtomicBoolean;
35 import java.util.concurrent.locks.Lock;
36 import java.util.concurrent.locks.ReadWriteLock;
37 import java.util.concurrent.locks.ReentrantReadWriteLock;
38
39 /* !!!! WARNING !!!!
40 * This class has to be in sync with
41 * src/solaris/classes/sun/awt/windows/ThemeReader.java
42 * while we continue to build WinL&F on solaris
43 */
44
45
46 /**
47 * Implements Theme Support for Windows XP.
48 *
49 * @author Sergey Salishev
50 * @author Bino George
51 * @author Igor Kushnirskiy
52 */
53 public final class ThemeReader {
54
55 private static final Map<String, Long> widgetToTheme = new HashMap<>();
56
57 // lock for the cache
58 // reading should be done with readLock
59 // writing with writeLock
60 private static final ReadWriteLock readWriteLock =
61 new ReentrantReadWriteLock();
62 private static final Lock readLock = readWriteLock.readLock();
63 private static final Lock writeLock = readWriteLock.writeLock();
64
65 private static final AtomicBoolean themeEnabled = WToolkit.getWToolkit().getXPStyleEnabled();
66
67 static void flush() {
68 writeLock.lock();
69 try {
70 // Close old themes.
71 for (Long value : widgetToTheme.values()) {
72 closeTheme(value.longValue());
73 }
74 widgetToTheme.clear();
75 } finally {
76 writeLock.unlock();
77 }
78 }
79
80 public static native boolean isThemed();
81
82 // this should be called only with writeLock held
83 private static Long getThemeImpl(String widget) {
84 Long theme = widgetToTheme.get(widget);
85 if (theme == null) {
86 int i = widget.indexOf("::");
105 Long theme = widgetToTheme.get(widget);
106 if (theme == null) {
107 readLock.unlock();
108 writeLock.lock();
109 try {
110 theme = getThemeImpl(widget);
111 } finally {
112 readLock.lock();
113 writeLock.unlock();// Unlock write, still hold read
114 }
115 }
116 return theme;
117 }
118
119 private static native void paintBackground(int[] buffer, long theme,
120 int part, int state, int x,
121 int y, int w, int h, int stride);
122
123 public static void paintBackground(int[] buffer, String widget,
124 int part, int state, int x, int y, int w, int h, int stride) {
125 if (!themeEnabled.get()) {
126 return;
127 }
128 readLock.lock();
129 try {
130 paintBackground(buffer, getTheme(widget), part, state, x, y, w, h, stride);
131 } finally {
132 readLock.unlock();
133 }
134 }
135
136 private static native Insets getThemeMargins(long theme, int part,
137 int state, int marginType);
138
139 public static Insets getThemeMargins(String widget, int part, int state, int marginType) {
140 readLock.lock();
141 try {
142 return getThemeMargins(getTheme(widget), part, state, marginType);
143 } finally {
144 readLock.unlock();
145 }
146 }
147
148 private static native boolean isThemePartDefined(long theme, int part, int state);
149
150 public static boolean isThemePartDefined(String widget, int part, int state) {
151 if (!themeEnabled.get()) {
152 return false;
153 }
154 readLock.lock();
155 try {
156 return isThemePartDefined(getTheme(widget), part, state);
157 } finally {
158 readLock.unlock();
159 }
160 }
161
162 private static native Color getColor(long theme, int part, int state,
163 int property);
164
165 public static Color getColor(String widget, int part, int state, int property) {
166 readLock.lock();
167 try {
168 return getColor(getTheme(widget), part, state, property);
169 } finally {
170 readLock.unlock();
171 }
172 }
173
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