1 files changed, 98 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/pipeline/ProcessingTaskController.java b/src/com/android/gallery3d/filtershow/pipeline/ProcessingTaskController.java
new file mode 100644
index 000000000..218ea630a
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/pipeline/ProcessingTaskController.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2013 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 com.android.gallery3d.filtershow.pipeline;
+
+import android.content.Context;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Message;
+import android.util.Log;
+
+import java.util.HashMap;
+
+public class ProcessingTaskController implements Handler.Callback {
+    private static final String LOGTAG = "ProcessingTaskController";
+
+    private Context mContext;
+    private HandlerThread mHandlerThread = null;
+    private Handler mProcessingHandler = null;
+    private int mCurrentType;
+    private HashMap<Integer, ProcessingTask> mTasks = new HashMap<Integer, ProcessingTask>();
+
+    public final static int RESULT = 1;
+    public final static int UPDATE = 2;
+
+    private final Handler mResultHandler = new Handler() {
+
+        @Override
+        public void handleMessage(Message msg) {
+            ProcessingTask task = mTasks.get(msg.what);
+            if (task != null) {
+                if (msg.arg1 == RESULT) {
+                    task.onResult((ProcessingTask.Result) msg.obj);
+                } else if (msg.arg1 == UPDATE) {
+                    task.onUpdate((ProcessingTask.Update) msg.obj);
+                } else {
+                    Log.w(LOGTAG, "received unknown message! " + msg.arg1);
+                }
+            }
+        }
+    };
+
+    @Override
+    public boolean handleMessage(Message msg) {
+        ProcessingTask task = mTasks.get(msg.what);
+        if (task != null) {
+            task.processRequest((ProcessingTask.Request) msg.obj);
+            return true;
+        }
+        return false;
+    }
+
+    public ProcessingTaskController(Context context) {
+        mContext = context;
+        mHandlerThread = new HandlerThread("ProcessingTaskController",
+                android.os.Process.THREAD_PRIORITY_FOREGROUND);
+        mHandlerThread.start();
+        mProcessingHandler = new Handler(mHandlerThread.getLooper(), this);
+    }
+
+    public Handler getProcessingHandler() {
+        return mProcessingHandler;
+    }
+
+    public Handler getResultHandler() {
+        return mResultHandler;
+    }
+
+    public int getReservedType() {
+        return mCurrentType++;
+    }
+
+    public Context getContext() {
+        return mContext;
+    }
+
+    public void add(ProcessingTask task) {
+        task.added(this);
+        mTasks.put(task.getType(), task);
+    }
+
+    public void quit() {
+        mHandlerThread.quit();
+    }
+}