36
37 /**
38 * Helper class implementing XEmbed protocol handling routines(client side)
39 * Window which wants to participate in a protocol should create an instance,
40 * call install and forward all XClientMessageEvents to it.
41 */
42 public class XEmbedClientHelper extends XEmbedHelper implements XEventDispatcher {
43 private static final PlatformLogger xembedLog = PlatformLogger.getLogger("sun.awt.X11.xembed.XEmbedClientHelper");
44
45 private XEmbeddedFramePeer embedded; // XEmbed client
46 private long server; // XEmbed server
47
48 private boolean active;
49 private boolean applicationActive;
50
51 XEmbedClientHelper() {
52 super();
53 }
54
55 void setClient(XEmbeddedFramePeer client) {
56 if (xembedLog.isLoggable(PlatformLogger.FINE)) {
57 xembedLog.fine("XEmbed client: " + client);
58 }
59 if (embedded != null) {
60 XToolkit.removeEventDispatcher(embedded.getWindow(), this);
61 active = false;
62 }
63 embedded = client;
64 if (embedded != null) {
65 XToolkit.addEventDispatcher(embedded.getWindow(), this);
66 }
67 }
68
69 void install() {
70 if (xembedLog.isLoggable(PlatformLogger.FINE)) {
71 xembedLog.fine("Installing xembedder on " + embedded);
72 }
73 long[] info = new long[] { XEMBED_VERSION, XEMBED_MAPPED };
74 long data = Native.card32ToData(info);
75 try {
76 XEmbedInfo.setAtomData(embedded.getWindow(), data, 2);
77 } finally {
78 unsafe.freeMemory(data);
79 }
80 // XEmbeddedFrame is initially created with a null parent..
81 // Here it is reparented to the proper parent window.
82 long parentWindow = embedded.getParentWindowHandle();
83 if (parentWindow != 0) {
84 XToolkit.awtLock();
85 try {
86 XlibWrapper.XReparentWindow(XToolkit.getDisplay(),
87 embedded.getWindow(),
88 parentWindow,
89 0, 0);
90 } finally {
91 XToolkit.awtUnlock();
92 }
93 }
94 }
95
96 void handleClientMessage(XEvent xev) {
97 XClientMessageEvent msg = xev.get_xclient();
98 if (xembedLog.isLoggable(PlatformLogger.FINE)) {
99 xembedLog.fine(msg.toString());
100 }
101 if (msg.get_message_type() == XEmbed.getAtom()) {
102 if (xembedLog.isLoggable(PlatformLogger.FINE)) {
103 xembedLog.fine("Embedded message: " + msgidToString((int)msg.get_data(1)));
104 }
105 switch ((int)msg.get_data(1)) {
106 case XEMBED_EMBEDDED_NOTIFY: // Notification about embedding protocol start
107 active = true;
108 server = getEmbedder(embedded, msg);
109 // Check if window is reparented. If not - it was created with
110 // parent and so we should update it here.
111 if (!embedded.isReparented()) {
112 embedded.setReparented(true);
113 embedded.updateSizeHints();
114 }
115 embedded.notifyStarted();
116 break;
117 case XEMBED_WINDOW_ACTIVATE:
118 applicationActive = true;
119 break;
120 case XEMBED_WINDOW_DEACTIVATE:
121 if (applicationActive) {
122 applicationActive = false;
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36
37 /**
38 * Helper class implementing XEmbed protocol handling routines(client side)
39 * Window which wants to participate in a protocol should create an instance,
40 * call install and forward all XClientMessageEvents to it.
41 */
42 public class XEmbedClientHelper extends XEmbedHelper implements XEventDispatcher {
43 private static final PlatformLogger xembedLog = PlatformLogger.getLogger("sun.awt.X11.xembed.XEmbedClientHelper");
44
45 private XEmbeddedFramePeer embedded; // XEmbed client
46 private long server; // XEmbed server
47
48 private boolean active;
49 private boolean applicationActive;
50
51 XEmbedClientHelper() {
52 super();
53 }
54
55 void setClient(XEmbeddedFramePeer client) {
56 if (xembedLog.isLoggable(PlatformLogger.Level.FINE)) {
57 xembedLog.fine("XEmbed client: " + client);
58 }
59 if (embedded != null) {
60 XToolkit.removeEventDispatcher(embedded.getWindow(), this);
61 active = false;
62 }
63 embedded = client;
64 if (embedded != null) {
65 XToolkit.addEventDispatcher(embedded.getWindow(), this);
66 }
67 }
68
69 void install() {
70 if (xembedLog.isLoggable(PlatformLogger.Level.FINE)) {
71 xembedLog.fine("Installing xembedder on " + embedded);
72 }
73 long[] info = new long[] { XEMBED_VERSION, XEMBED_MAPPED };
74 long data = Native.card32ToData(info);
75 try {
76 XEmbedInfo.setAtomData(embedded.getWindow(), data, 2);
77 } finally {
78 unsafe.freeMemory(data);
79 }
80 // XEmbeddedFrame is initially created with a null parent..
81 // Here it is reparented to the proper parent window.
82 long parentWindow = embedded.getParentWindowHandle();
83 if (parentWindow != 0) {
84 XToolkit.awtLock();
85 try {
86 XlibWrapper.XReparentWindow(XToolkit.getDisplay(),
87 embedded.getWindow(),
88 parentWindow,
89 0, 0);
90 } finally {
91 XToolkit.awtUnlock();
92 }
93 }
94 }
95
96 void handleClientMessage(XEvent xev) {
97 XClientMessageEvent msg = xev.get_xclient();
98 if (xembedLog.isLoggable(PlatformLogger.Level.FINE)) {
99 xembedLog.fine(msg.toString());
100 }
101 if (msg.get_message_type() == XEmbed.getAtom()) {
102 if (xembedLog.isLoggable(PlatformLogger.Level.FINE)) {
103 xembedLog.fine("Embedded message: " + msgidToString((int)msg.get_data(1)));
104 }
105 switch ((int)msg.get_data(1)) {
106 case XEMBED_EMBEDDED_NOTIFY: // Notification about embedding protocol start
107 active = true;
108 server = getEmbedder(embedded, msg);
109 // Check if window is reparented. If not - it was created with
110 // parent and so we should update it here.
111 if (!embedded.isReparented()) {
112 embedded.setReparented(true);
113 embedded.updateSizeHints();
114 }
115 embedded.notifyStarted();
116 break;
117 case XEMBED_WINDOW_ACTIVATE:
118 applicationActive = true;
119 break;
120 case XEMBED_WINDOW_DEACTIVATE:
121 if (applicationActive) {
122 applicationActive = false;
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