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author | nicolasroard <nicolasroard@google.com> | 2013-07-12 18:27:54 -0700 |
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committer | nicolasroard <nicolasroard@google.com> | 2013-07-16 17:07:33 -0700 |
commit | cf76723e40171afef891d494d4c537200597acbb (patch) | |
tree | b3616236e5d754bddda7f113c183e2f50ba46185 /src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java | |
parent | 6d13e422b2ca68dce029c96e3b8789bae990a88c (diff) | |
download | android_packages_apps_Snap-cf76723e40171afef891d494d4c537200597acbb.tar.gz android_packages_apps_Snap-cf76723e40171afef891d494d4c537200597acbb.tar.bz2 android_packages_apps_Snap-cf76723e40171afef891d494d4c537200597acbb.zip |
Add background processing service
bug:7298624
Change-Id: Ie79f88fd84fdf8f4dab6a8071f06a819e247b357
Diffstat (limited to 'src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java b/src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java new file mode 100644 index 000000000..c3687ee6a --- /dev/null +++ b/src/com/android/gallery3d/filtershow/pipeline/ProcessingTask.java @@ -0,0 +1,72 @@ +/* + * 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; + + static interface Request {} + static interface Update {} + static interface Result {} + + public void postRequest(Request message) { + Message msg = mProcessingHandler.obtainMessage(mType); + msg.obj = message; + mProcessingHandler.sendMessage(msg); + } + + 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) {} +} |