diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java b/src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java deleted file mode 100644 index 8d3e8110f..000000000 --- a/src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java +++ /dev/null @@ -1,88 +0,0 @@ -/* - * 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.Message; - -public abstract class ProcessingTask { - private ProcessingTaskController mTaskController; - private Handler mProcessingHandler; - private Handler mResultHandler; - private int mType; - private static final int DELAY = 300; - - static interface Request {} - static interface Update {} - static interface Result {} - - public boolean postRequest(Request message) { - Message msg = mProcessingHandler.obtainMessage(mType); - msg.obj = message; - if (isPriorityTask()) { - if (mProcessingHandler.hasMessages(getType())) { - return false; - } - mProcessingHandler.sendMessageAtFrontOfQueue(msg); - } else if (isDelayedTask()) { - if (mProcessingHandler.hasMessages(getType())) { - mProcessingHandler.removeMessages(getType()); - } - mProcessingHandler.sendMessageDelayed(msg, DELAY); - } else { - mProcessingHandler.sendMessage(msg); - } - return true; - } - - public void postUpdate(Update message) { - Message msg = mResultHandler.obtainMessage(mType); - msg.obj = message; - msg.arg1 = ProcessingTaskController.UPDATE; - mResultHandler.sendMessage(msg); - } - - public void processRequest(Request message) { - Object result = doInBackground(message); - Message msg = mResultHandler.obtainMessage(mType); - msg.obj = result; - msg.arg1 = ProcessingTaskController.RESULT; - mResultHandler.sendMessage(msg); - } - - public void added(ProcessingTaskController taskController) { - mTaskController = taskController; - mResultHandler = taskController.getResultHandler(); - mProcessingHandler = taskController.getProcessingHandler(); - mType = taskController.getReservedType(); - } - - public int getType() { - return mType; - } - - public Context getContext() { - return mTaskController.getContext(); - } - - public abstract Result doInBackground(Request message); - public abstract void onResult(Result message); - public void onUpdate(Update message) {} - public boolean isPriorityTask() { return false; } - public boolean isDelayedTask() { return false; } -} |