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
23 * questions.
24 */
25
26 package sun.swing;
27
28 import java.awt.BorderLayout;
29 import java.awt.Color;
30 import java.awt.Component;
31 import java.awt.Container;
32 import java.awt.Dimension;
33 import java.awt.EventQueue;
34 import java.awt.Graphics;
35 import java.awt.Graphics2D;
36 import java.awt.Rectangle;
37 import java.awt.event.ComponentListener;
38 import java.awt.event.ContainerEvent;
39 import java.awt.event.ContainerListener;
40 import java.awt.image.BufferedImage;
41 import java.awt.image.DataBufferInt;
42 import java.beans.PropertyChangeEvent;
43 import java.beans.PropertyChangeListener;
44 import java.security.AccessController;
45
46 import javax.swing.JLayeredPane;
47 import javax.swing.JPanel;
48 import javax.swing.JRootPane;
49 import javax.swing.LayoutFocusTraversalPolicy;
50 import javax.swing.RootPaneContainer;
51
52 import sun.awt.LightweightFrame;
53 import sun.security.action.GetPropertyAction;
54
55 /**
56 * The frame serves as a lightweight container which paints its content
57 * to an offscreen image and provides access to the image's data via the
58 * {@link LightweightContent} interface. Note, that it may not be shown
59 * as a standalone toplevel frame. Its purpose is to provide functionality
60 * for lightweight embedding.
61 *
62 * @author Artem Ananiev
63 * @author Anton Tarasov
64 */
65 public final class JLightweightFrame extends LightweightFrame implements RootPaneContainer {
66
67 private final JRootPane rootPane = new JRootPane();
68
69 private LightweightContent content;
70
71 private Component component;
72 private JPanel contentPane;
104 }
105
106 layoutSizeListener = new PropertyChangeListener() {
107 @Override
108 public void propertyChange(PropertyChangeEvent e) {
109 Dimension d = (Dimension)e.getNewValue();
110
111 if ("preferredSize".equals(e.getPropertyName())) {
112 content.preferredSizeChanged(d.width, d.height);
113
114 } else if ("maximumSize".equals(e.getPropertyName())) {
115 content.maximumSizeChanged(d.width, d.height);
116
117 } else if ("minimumSize".equals(e.getPropertyName())) {
118 content.minimumSizeChanged(d.width, d.height);
119 }
120 }
121 };
122 }
123
124 /**
125 * Sets the {@link LightweightContent} instance for this frame.
126 * The {@code JComponent} object returned by the
127 * {@link LightweightContent#getComponent()} method is immediately
128 * added to the frame's content pane.
129 *
130 * @param content the {@link LightweightContent} instance
131 */
132 public void setContent(final LightweightContent content) {
133 if (content == null) {
134 System.err.println("JLightweightFrame.setContent: content may not be null!");
135 return;
136 }
137 this.content = content;
138 this.component = content.getComponent();
139
140 Dimension d = this.component.getPreferredSize();
141 content.preferredSizeChanged(d.width, d.height);
142
143 d = this.component.getMaximumSize();
|
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
23 * questions.
24 */
25
26 package sun.swing;
27
28 import java.awt.AWTEvent;
29 import java.awt.BorderLayout;
30 import java.awt.Color;
31 import java.awt.Component;
32 import java.awt.Container;
33 import java.awt.Dimension;
34 import java.awt.EventQueue;
35 import java.awt.Graphics;
36 import java.awt.Graphics2D;
37 import java.awt.MouseInfo;
38 import java.awt.Point;
39 import java.awt.Rectangle;
40 import java.awt.event.AWTEventListener;
41 import java.awt.event.ComponentAdapter;
42 import java.awt.event.ComponentEvent;
43 import java.awt.event.ComponentListener;
44 import java.awt.event.ContainerEvent;
45 import java.awt.event.ContainerListener;
46 import java.awt.event.MouseEvent;
47 import java.awt.image.BufferedImage;
48 import java.awt.image.DataBufferInt;
49 import java.beans.PropertyChangeEvent;
50 import java.beans.PropertyChangeListener;
51 import java.security.AccessController;
52
53 import javax.swing.JLayeredPane;
54 import javax.swing.JPanel;
55 import javax.swing.JRootPane;
56 import javax.swing.LayoutFocusTraversalPolicy;
57 import javax.swing.RootPaneContainer;
58 import javax.swing.SwingUtilities;
59
60 import sun.awt.LightweightFrame;
61 import sun.awt.LightweightFramePeer;
62 import sun.security.action.GetPropertyAction;
63
64 /**
65 * The frame serves as a lightweight container which paints its content
66 * to an offscreen image and provides access to the image's data via the
67 * {@link LightweightContent} interface. Note, that it may not be shown
68 * as a standalone toplevel frame. Its purpose is to provide functionality
69 * for lightweight embedding.
70 *
71 * @author Artem Ananiev
72 * @author Anton Tarasov
73 */
74 public final class JLightweightFrame extends LightweightFrame implements RootPaneContainer {
75
76 private final JRootPane rootPane = new JRootPane();
77
78 private LightweightContent content;
79
80 private Component component;
81 private JPanel contentPane;
113 }
114
115 layoutSizeListener = new PropertyChangeListener() {
116 @Override
117 public void propertyChange(PropertyChangeEvent e) {
118 Dimension d = (Dimension)e.getNewValue();
119
120 if ("preferredSize".equals(e.getPropertyName())) {
121 content.preferredSizeChanged(d.width, d.height);
122
123 } else if ("maximumSize".equals(e.getPropertyName())) {
124 content.maximumSizeChanged(d.width, d.height);
125
126 } else if ("minimumSize".equals(e.getPropertyName())) {
127 content.minimumSizeChanged(d.width, d.height);
128 }
129 }
130 };
131 }
132
133 private LightweightFramePeer getLwPeer() {
134 return (LightweightFramePeer)getPeer();
135 }
136
137 private final AWTEventListener mouseEventListener = new AWTEventListener() {
138 @Override
139 public void eventDispatched(AWTEvent event) {
140 MouseEvent m = (MouseEvent) event;
141
142 if (!SwingUtilities.isDescendingFrom(m.getComponent(), JLightweightFrame.this)) return;
143
144 switch (m.getID()) {
145 case MouseEvent.MOUSE_ENTERED:
146 getLwPeer().setLightWeightFrameUnderMouse();
147 getLwPeer().updateCursorImmediately();
148 break;
149 case MouseEvent.MOUSE_EXITED:
150 LightweightFrame frame = JLightweightFrame.this;
151 Point location = SwingUtilities.convertPoint(m.getComponent(), m.getPoint(), frame);
152 if ((!frame.contains(location) || !frame.isActive())&&
153 getLwPeer().cleanLightWeightFrameUnderMouse()) {
154 getLwPeer().updateCursorImmediately();
155 }
156 break;
157 }
158 }
159 };
160
161 private final ComponentListener componentListener = new ComponentAdapter() {
162 @Override
163 public void componentShown(ComponentEvent e) {
164 if (getBounds().contains(MouseInfo.getPointerInfo().getLocation())) {
165 getLwPeer().setLightWeightFrameUnderMouse();
166 getLwPeer().updateCursorImmediately();
167 }
168 }
169 };
170
171 @Override
172 public void addNotify() {
173 super.addNotify();
174 getToolkit().addAWTEventListener(mouseEventListener, AWTEvent.MOUSE_EVENT_MASK);
175 addComponentListener(componentListener);
176 }
177
178 @Override
179 public void removeNotify() {
180 super.removeNotify();
181 getToolkit().removeAWTEventListener(mouseEventListener);
182 removeComponentListener(componentListener);
183 }
184
185 public void invokeOnContentsThread(Runnable r) {
186 content.invokeOnContentsThread(r);
187 }
188
189 /**
190 * Sets the {@link LightweightContent} instance for this frame.
191 * The {@code JComponent} object returned by the
192 * {@link LightweightContent#getComponent()} method is immediately
193 * added to the frame's content pane.
194 *
195 * @param content the {@link LightweightContent} instance
196 */
197 public void setContent(final LightweightContent content) {
198 if (content == null) {
199 System.err.println("JLightweightFrame.setContent: content may not be null!");
200 return;
201 }
202 this.content = content;
203 this.component = content.getComponent();
204
205 Dimension d = this.component.getPreferredSize();
206 content.preferredSizeChanged(d.width, d.height);
207
208 d = this.component.getMaximumSize();
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