laoyuyu
5 years ago
parent
102d3ba0f6
commit
c39bfbdd88
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/* |
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* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.arialyy.aria.core.group; |
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import android.os.Handler; |
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import com.arialyy.aria.core.download.DownloadEntity; |
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import com.arialyy.aria.core.inf.IEntity; |
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import com.arialyy.aria.core.listener.IDLoadListener; |
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import com.arialyy.aria.core.listener.ISchedulers; |
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import com.arialyy.aria.exception.BaseException; |
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import com.arialyy.aria.util.CommonUtil; |
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/** |
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* 子任务事件监听 |
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*/ |
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public class ChildDLoadListener implements IDLoadListener { |
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private DownloadEntity subEntity; |
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private int RUN_SAVE_INTERVAL = 5 * 1000; //5s保存一次下载中的进度
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private long lastSaveTime; |
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private long lastLen; |
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private Handler schedulers; |
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private AbsSubDLoadUtil loader; |
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ChildDLoadListener(Handler schedulers, AbsSubDLoadUtil loader) { |
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this.loader = loader; |
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this.schedulers = schedulers; |
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subEntity = loader.getEntity(); |
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subEntity.setFailNum(0); |
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lastLen = subEntity.getCurrentProgress(); |
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lastSaveTime = System.currentTimeMillis(); |
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} |
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@Override public void supportBreakpoint(boolean support) { |
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} |
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@Override public void onPre() { |
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saveData(IEntity.STATE_PRE, subEntity.getCurrentProgress()); |
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} |
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@Override public void onPostPre(long fileSize) { |
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subEntity.setFileSize(fileSize); |
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subEntity.setConvertFileSize(CommonUtil.formatFileSize(fileSize)); |
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saveData(IEntity.STATE_POST_PRE, subEntity.getCurrentProgress()); |
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sendToTarget(ISchedulers.POST_PRE, loader); |
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} |
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@Override public void onResume(long resumeLocation) { |
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lastLen = resumeLocation; |
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saveData(IEntity.STATE_POST_PRE, subEntity.getCurrentProgress()); |
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sendToTarget(ISchedulers.START, loader); |
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} |
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@Override public void onStart(long startLocation) { |
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lastLen = startLocation; |
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saveData(IEntity.STATE_POST_PRE, subEntity.getCurrentProgress()); |
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sendToTarget(ISchedulers.START, loader); |
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} |
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@Override public void onProgress(long currentLocation) { |
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long diff = currentLocation - lastLen; |
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//mCurrentLocation += speed;
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subEntity.setCurrentProgress(currentLocation); |
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handleSpeed(diff); |
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sendToTarget(ISchedulers.RUNNING, loader); |
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if (System.currentTimeMillis() - lastSaveTime >= RUN_SAVE_INTERVAL) { |
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saveData(IEntity.STATE_RUNNING, currentLocation); |
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lastSaveTime = System.currentTimeMillis(); |
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} |
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lastLen = currentLocation; |
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} |
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@Override public void onStop(long stopLocation) { |
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handleSpeed(0); |
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saveData(IEntity.STATE_STOP, stopLocation); |
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sendToTarget(ISchedulers.STOP, loader); |
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} |
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/** |
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* 组合任务子任务不允许删除 |
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*/ |
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@Deprecated |
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@Override public void onCancel() { |
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} |
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@Override public void onComplete() { |
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subEntity.setComplete(true); |
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saveData(IEntity.STATE_COMPLETE, subEntity.getFileSize()); |
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handleSpeed(0); |
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sendToTarget(ISchedulers.COMPLETE, loader); |
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} |
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@Override public void onFail(boolean needRetry, BaseException e) { |
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subEntity.setFailNum(subEntity.getFailNum() + 1); |
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saveData(IEntity.STATE_FAIL, subEntity.getCurrentProgress()); |
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handleSpeed(0); |
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sendToTarget(ISchedulers.FAIL, loader); |
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} |
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private void handleSpeed(long speed) { |
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subEntity.setSpeed(speed); |
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subEntity.setConvertSpeed( |
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speed <= 0 ? "" : String.format("%s/s", CommonUtil.formatFileSize(speed))); |
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subEntity.setPercent((int) (subEntity.getFileSize() <= 0 ? 0 |
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: subEntity.getCurrentProgress() * 100 / subEntity.getFileSize())); |
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} |
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private void saveData(int state, long location) { |
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loader.getWrapper().setState(state); |
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subEntity.setState(state); |
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subEntity.setComplete(state == IEntity.STATE_COMPLETE); |
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if (state == IEntity.STATE_CANCEL) { |
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subEntity.deleteData(); |
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} else if (state == IEntity.STATE_STOP) { |
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subEntity.setStopTime(System.currentTimeMillis()); |
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} else if (subEntity.isComplete()) { |
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subEntity.setCompleteTime(System.currentTimeMillis()); |
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subEntity.setCurrentProgress(subEntity.getFileSize()); |
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} else if (location > 0) { |
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subEntity.setCurrentProgress(location); |
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} |
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} |
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/** |
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* 发送状态到子任务调度器{@link SimpleSchedulers}，让调度器处理任务调度 |
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* |
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* @param state {@link ISchedulers} |
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*/ |
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private void sendToTarget(int state, AbsSubDLoadUtil util) { |
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schedulers.obtainMessage(state, util).sendToTarget(); |
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} |
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} |
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