diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/pipeline/ProcessingTaskController.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/pipeline/ProcessingTaskController.java | 98 |
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(); + } +} |