Initial Commit

1 files changed, 67 insertions, 0 deletions

diff --git a/subsonic-android/src/net/sourceforge/subsonic/androidapp/util/TabActivityBackgroundTask.java b/subsonic-android/src/net/sourceforge/subsonic/androidapp/util/TabActivityBackgroundTask.java
new file mode 100644
index 00000000..033a51ad
--- /dev/null
+++ b/subsonic-android/src/net/sourceforge/subsonic/androidapp/util/TabActivityBackgroundTask.java
@@ -0,0 +1,67 @@
+package net.sourceforge.subsonic.androidapp.util;
+
+import net.sourceforge.subsonic.androidapp.activity.SubsonicTabActivity;
+
+/**
+ * @author Sindre Mehus
+ * @version $Id$
+ */
+public abstract class TabActivityBackgroundTask<T> extends BackgroundTask<T> {
+
+    private final SubsonicTabActivity tabActivity;
+
+    public TabActivityBackgroundTask(SubsonicTabActivity activity) {
+        super(activity);
+        tabActivity = activity;
+    }
+
+    @Override
+    public void execute() {
+        tabActivity.setProgressVisible(true);
+
+        new Thread() {
+            @Override
+            public void run() {
+                try {
+                    final T result = doInBackground();
+                    if (isCancelled()) {
+                        return;
+                    }
+
+                    getHandler().post(new Runnable() {
+                        @Override
+                        public void run() {
+                            tabActivity.setProgressVisible(false);
+                            done(result);
+                        }
+                    });
+                } catch (final Throwable t) {
+                    if (isCancelled()) {
+                        return;
+                    }
+                    getHandler().post(new Runnable() {
+                        @Override
+                        public void run() {
+                            tabActivity.setProgressVisible(false);
+                            error(t);
+                        }
+                    });
+                }
+            }
+        }.start();
+    }
+
+    private boolean isCancelled() {
+        return tabActivity.isDestroyed();
+    }
+
+    @Override
+    public void updateProgress(final String message) {
+        getHandler().post(new Runnable() {
+            @Override
+            public void run() {
+                tabActivity.updateProgress(message);
+            }
+        });
+    }
+}