1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.camera; 18 19 import android.net.Uri; 20 21 /** 22 * The interface for background image processing task manager. 23 */ 24 public interface ImageTaskManager { 25 26 /** 27 * Callback interface for task events. 28 */ 29 public interface TaskListener { 30 public void onTaskQueued(String filePath, Uri imageUri); 31 public void onTaskDone(String filePath, Uri imageUri); 32 public void onTaskProgress( 33 String filePath, Uri imageUri, int progress); 34 } 35 36 public void addTaskListener(TaskListener l); 37 38 public void removeTaskListener(TaskListener l); 39 40 /** 41 * Get task progress by Uri. 42 * 43 * @param uri The Uri of the final image file to identify the task. 44 * @return Integer from 0 to 100, or -1. The percentage of the task done 45 * so far. -1 means not found. 46 */ 47 public int getTaskProgress(Uri uri); 48 } 49