| /* |
| * Copyright (C) 2014 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.camera.processing; |
| |
| import android.net.Uri; |
| |
| /** |
| * Defines the interactions between the Tasks that are running on ImageBackend and other subsystems |
| * (such as UI) which need to update and listen for said event (such as preview completition). |
| */ |
| public interface ImageProcessorListener { |
| |
| /* |
| * !!!!PLACEHOLDER IMPLEMENTATION!!!! Unclear what the best pattern for listeners, given the |
| * types of tasks and the return types For now, I've gone with a minimal interface that is not |
| * currently plumbed for error handling. |
| */ |
| |
| /** |
| * Called when a task starts running. |
| * |
| * @param task Task specification that includes unique content id |
| */ |
| public void onStart(TaskImageContainer.TaskInfo task); |
| |
| /** |
| * Called when compressed image is complete and is ready for further processing |
| * |
| * @param task Task specification that includes unique content id |
| * @param payload Byte array that contains the compressed image data |
| */ |
| public void onResultCompressed(TaskImageContainer.TaskInfo task, |
| TaskImageContainer.CompressedPayload payload); |
| |
| /** |
| * Called when uncompressed image conversion is done and is ready for further processing |
| * |
| * @param task Task specification that includes unique content id |
| * @param payload 32-bit Integer array that contains the uncompressed image data |
| */ |
| public void onResultUncompressed(TaskImageContainer.TaskInfo task, |
| TaskImageContainer.UncompressedPayload payload); |
| |
| /** |
| * Called when image has been written to disk and ready for further processing via uri. |
| * |
| * @param task Task specification that includes unique content id |
| * @param uri Uri that serves as handle to image written to disk |
| */ |
| public void onResultUri(TaskImageContainer.TaskInfo task, Uri uri); |
| |
| // TODO: Figure out how to best error handling interface |
| // public void onError(TaskImageContainer.JobInfo task); |
| } |