Merge "Cherrypick d1ed33c4 from hc-mr1. do not merge." into gingerbread

tools/layoutlib/bridge/src/android/os/HandlerThread_Delegate.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os;
+
+import com.android.layoutlib.bridge.android.BridgeContext;
+import com.android.layoutlib.bridge.impl.RenderAction;
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Delegate overriding selected methods of android.os.HandlerThread
+ *
+ * Through the layoutlib_create tool, selected methods of Handler have been replaced
+ * by calls to methods of the same name in this delegate class.
+ *
+ *
+ */
+public class HandlerThread_Delegate {
+
+    private static Map<BridgeContext, List<HandlerThread>> sThreads =
+            new HashMap<BridgeContext, List<HandlerThread>>();
+
+    public static void cleanUp(BridgeContext context) {
+        List<HandlerThread> list = sThreads.get(context);
+        if (list != null) {
+            for (HandlerThread thread : list) {
+                thread.quit();
+            }
+
+            list.clear();
+            sThreads.remove(context);
+        }
+    }
+
+    // -------- Delegate methods
+
+    @LayoutlibDelegate
+    /*package*/ static void run(HandlerThread theThread) {
+        // record the thread so that it can be quit() on clean up.
+        BridgeContext context = RenderAction.getCurrentContext();
+        List<HandlerThread> list = sThreads.get(context);
+        if (list == null) {
+            list = new ArrayList<HandlerThread>();
+            sThreads.put(context, list);
+        }
+
+        list.add(theThread);
+
+        // ---- START DEFAULT IMPLEMENTATION.
+
+        theThread.mTid = Process.myTid();
+        Looper.prepare();
+        synchronized (theThread) {
+            theThread.mLooper = Looper.myLooper();
+            theThread.notifyAll();
+        }
+        Process.setThreadPriority(theThread.mPriority);
+        theThread.onLooperPrepared();
+        Looper.loop();
+        theThread.mTid = -1;
+    }
+}

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderAction.java

@@ -29,6 +29,7 @@ import com.android.layoutlib.bridge.Bridge;
 import com.android.layoutlib.bridge.android.BridgeContext;
 import com.android.resources.ResourceType;
 
+import android.os.HandlerThread_Delegate;
 import android.util.DisplayMetrics;
 
 import java.util.concurrent.TimeUnit;
@@ -228,6 +229,10 @@ public abstract class RenderAction<T extends RenderParams> extends FrameworkReso
     private void tearDown() {
         // Make sure to remove static references, otherwise we could not unload the lib
         mContext.disposeResources();
+
+        // quit HandlerThread created during this session.
+        HandlerThread_Delegate.cleanUp(sCurrentContext);
+
         sCurrentContext = null;
 
         Bridge.setLog(null);

tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java

@@ -98,6 +98,7 @@ public final class CreateInfo implements ICreateInfo {
         "android.content.res.Resources$Theme#resolveAttribute",
         "android.graphics.BitmapFactory#finishDecode",
         "android.os.Handler#sendMessageAtTime",
+        "android.os.HandlerThread#run",
         "android.os.Build#getString",
         "android.view.LayoutInflater#parseInclude",
         "android.view.View#isInEditMode",