From 37a044c9d72df50775bcb186e00cf3c2bb5c384c Mon Sep 17 00:00:00 2001
From: Eugene Tarassov
Date: Wed, 29 Apr 2015 19:36:59 -0700
Subject: Bug 465756 - TCFModelManager does not register its workbench listener

---
 plugins/org.eclipse.tcf.debug.ui/plugin.xml        |  2 --
 .../internal/debug/ui/model/TCFModelManager.java   |  6 ++++--
 .../internal/debug/launch/TCFLaunchDelegate.java   | 22 ++++++++++++++++++++++
 3 files changed, 26 insertions(+), 4 deletions(-)

(limited to 'plugins')

diff --git a/plugins/org.eclipse.tcf.debug.ui/plugin.xml b/plugins/org.eclipse.tcf.debug.ui/plugin.xml
index 10ce7735f..705d94a37 100644
--- a/plugins/org.eclipse.tcf.debug.ui/plugin.xml
+++ b/plugins/org.eclipse.tcf.debug.ui/plugin.xml
@@ -18,8 +18,6 @@
    <extension-point id="presentation_provider" name="TCF Presentation Provider" schema="schema/presentation_provider.exsd"/>
    <extension-point id="pretty_expression_provider" name="TCF Pretty Expression Provider" schema="schema/pretty_expression_provider.exsd"/>
 
-   <extension point="org.eclipse.tcf.startup"/>
-
    <extension
         id="org.eclipse.tcf.debug.ui.adapters"
         point="org.eclipse.core.runtime.adapters">
diff --git a/plugins/org.eclipse.tcf.debug.ui/src/org/eclipse/tcf/internal/debug/ui/model/TCFModelManager.java b/plugins/org.eclipse.tcf.debug.ui/src/org/eclipse/tcf/internal/debug/ui/model/TCFModelManager.java
index 17b4f846f..1df6f12b6 100644
--- a/plugins/org.eclipse.tcf.debug.ui/src/org/eclipse/tcf/internal/debug/ui/model/TCFModelManager.java
+++ b/plugins/org.eclipse.tcf.debug.ui/src/org/eclipse/tcf/internal/debug/ui/model/TCFModelManager.java
@@ -156,7 +156,8 @@ public class TCFModelManager {
         assert Protocol.isDispatchThread();
         try {
             PlatformUI.getWorkbench().addWorkbenchListener(workbench_listener);
-        } catch (IllegalStateException e) {
+        }
+        catch (IllegalStateException e) {
             // In headless environments the plug-in load can be still triggered.
             // Should not trigger an "Unhandled exception in TCF event dispatch thread"
         }
@@ -168,7 +169,8 @@ public class TCFModelManager {
         assert Protocol.isDispatchThread();
         try {
             PlatformUI.getWorkbench().removeWorkbenchListener(workbench_listener);
-        } catch (IllegalStateException e) {
+        }
+        catch (IllegalStateException e) {
             // In headless environments the plug-in load can be still triggered.
             // Should not trigger an "Unhandled exception in TCF event dispatch thread"
         }
diff --git a/plugins/org.eclipse.tcf.debug/src/org/eclipse/tcf/internal/debug/launch/TCFLaunchDelegate.java b/plugins/org.eclipse.tcf.debug/src/org/eclipse/tcf/internal/debug/launch/TCFLaunchDelegate.java
index fbfec6d34..7c062f549 100644
--- a/plugins/org.eclipse.tcf.debug/src/org/eclipse/tcf/internal/debug/launch/TCFLaunchDelegate.java
+++ b/plugins/org.eclipse.tcf.debug/src/org/eclipse/tcf/internal/debug/launch/TCFLaunchDelegate.java
@@ -24,6 +24,7 @@ import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.debug.core.DebugPlugin;
 import org.eclipse.debug.core.ILaunch;
@@ -40,6 +41,7 @@ import org.eclipse.tcf.services.IMemoryMap;
 import org.eclipse.tcf.services.IPathMap;
 import org.eclipse.tcf.util.TCFPathMapRule;
 import org.eclipse.tcf.util.TCFTask;
+import org.osgi.framework.Bundle;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
@@ -84,6 +86,9 @@ public class TCFLaunchDelegate extends LaunchConfigurationDelegate {
         FILES_SET_PC = "SetPC",
         FILES_ENABLE_OSA = "EnableOSA";
 
+    private static Boolean is_headless;
+    private static boolean ui_activation_done;
+
     public static class PathMapRule extends TCFPathMapRule {
 
         public PathMapRule(Map<String,Object> props) {
@@ -334,6 +339,23 @@ public class TCFLaunchDelegate extends LaunchConfigurationDelegate {
         return new TCFTask<ILaunch>() {
             int cnt;
             public void run() {
+                if (is_headless == null) {
+                    Bundle b = Platform.getBundle("org.eclipse.ui.workbench");
+                    is_headless = new Boolean(b == null || b.getState() != Bundle.ACTIVE);
+                }
+
+                if (!is_headless && !ui_activation_done) {
+                    /* Make sure UI bundle is activated and is listening for launch events */
+                    try {
+                        Bundle bundle = Platform.getBundle("org.eclipse.tcf.debug.ui");
+                        bundle.start(Bundle.START_TRANSIENT);
+                    }
+                    catch (Throwable x) {
+                        Protocol.log("TCF debugger UI startup error", x); //$NON-NLS-1$
+                    }
+                    ui_activation_done = true;
+                }
+
                 // Need to delay at least one dispatch cycle to work around
                 // a possible racing between thread that calls getLaunch() and
                 // the process of activation of other TCF plug-ins.
-- 
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