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Post-processing infrastructure
* remove interfaces with one implementation
* fix download resources with unknow length
* marquee style for ProgressDrawable
* "view details" option in mission context menu
* notification for finished downloads
* postprocessing infrastructure: sub-missions, circular file, layers for layers of abstractions for Java IO streams
* Mp4 muxing (only DASH brand)
* WebM muxing
* Captions downloading
* alert dialog for overwrite existing downloads finished or not.

Misc changes
* delete SQLiteDownloadDataSource.java
* delete DownloadMissionSQLiteHelper.java
* implement Localization from #114

Misc fixes (this branch)
* restore old mission listeners variables. Prevents registered listeners get de-referenced on low-end devices
* DownloadManagerService.checkForRunningMission() now return false if the mission has a error.
* use Intent.FLAG_ACTIVITY_NEW_TASK when launching an activity from gigaget threads (apparently it is required in old versions of android)

More changes
* proper error handling "infrastructure"
* queue instead of multiple downloads
* move serialized pending downloads (.giga files) to app data
* stop downloads when swicthing to mobile network (never works, see 2nd point)
* save the thread count for next downloads
* a lot of incoherences fixed
* delete DownloadManagerTest.java (too many changes to keep this file updated)
This commit is contained in:
kapodamy 2018-09-23 15:12:23 -03:00
parent 45fea983b9
commit 5825843f68
48 changed files with 4379 additions and 1119 deletions
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158
app/src/main/java/us/shandian/giga/get/DownloadInitializer.java Normal file
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package us.shandian.giga.get;
import android.support.annotation.NonNull;
import android.util.Log;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.net.HttpURLConnection;
import java.nio.channels.ClosedByInterruptException;
import us.shandian.giga.util.Utility;
import static org.schabi.newpipe.BuildConfig.DEBUG;
public class DownloadInitializer implements Runnable {
private final static String TAG = "DownloadInitializer";
final static int mId = 0;
private DownloadMission mMission;
DownloadInitializer(@NonNull DownloadMission mission) {
mMission = mission;
}
@Override
public void run() {
if (mMission.current > 0) mMission.resetState();
int retryCount = 0;
while (true) {
try {
mMission.currentThreadCount = mMission.threadCount;
HttpURLConnection conn = mMission.openConnection(mId, -1, -1);
if (!mMission.running || Thread.interrupted()) return;
mMission.length = conn.getContentLength();
if (mMission.length == 0) {
mMission.notifyError(DownloadMission.ERROR_HTTP_NO_CONTENT, null);
return;
}
// check for dynamic generated content
if (mMission.length == -1 && conn.getResponseCode() == 200) {
mMission.blocks = 0;
mMission.length = 0;
mMission.fallback = true;
mMission.unknownLength = true;
mMission.currentThreadCount = 1;
if (DEBUG) {
Log.d(TAG, "falling back (unknown length)");
}
} else {
// Open again
conn = mMission.openConnection(mId, mMission.length - 10, mMission.length);
int code = conn.getResponseCode();
if (!mMission.running || Thread.interrupted()) return;
if (code == 206) {
if (mMission.currentThreadCount > 1) {
mMission.blocks = mMission.length / DownloadMission.BLOCK_SIZE;
if (mMission.currentThreadCount > mMission.blocks) {
mMission.currentThreadCount = (int) mMission.blocks;
}
if (mMission.currentThreadCount <= 0) {
mMission.currentThreadCount = 1;
}
if (mMission.blocks * DownloadMission.BLOCK_SIZE < mMission.length) {
mMission.blocks++;
}
} else {
// if one thread is solicited don't calculate blocks, is useless
mMission.blocks = 0;
mMission.fallback = true;
mMission.unknownLength = false;
}
if (DEBUG) {
Log.d(TAG, "http response code = " + code);
}
} else {
// Fallback to single thread
mMission.blocks = 0;
mMission.fallback = true;
mMission.unknownLength = false;
mMission.currentThreadCount = 1;
if (DEBUG) {
Log.d(TAG, "falling back due http response code = " + code);
}
}
}
for (long i = 0; i < mMission.currentThreadCount; i++) {
mMission.threadBlockPositions.add(i);
mMission.threadBytePositions.add(0);
}
File file;
if (mMission.current == 0) {
file = new File(mMission.location);
if (!Utility.mkdir(file, true)) {
mMission.notifyError(DownloadMission.ERROR_PATH_CREATION, null);
return;
}
file = new File(file, mMission.name);
// if the name is used by "something", delete it
if (file.exists() && !file.isFile() && !file.delete()) {
mMission.notifyError(DownloadMission.ERROR_FILE_CREATION, null);
return;
}
if (!file.exists() && !file.createNewFile()) {
mMission.notifyError(DownloadMission.ERROR_FILE_CREATION, null);
return;
}
} else {
file = new File(mMission.location, mMission.name);
}
RandomAccessFile af = new RandomAccessFile(file, "rw");
af.setLength(mMission.offsets[mMission.current] + mMission.length);
af.seek(mMission.offsets[mMission.current]);
af.close();
if (Thread.interrupted()) return;
mMission.running = false;
break;
} catch (Exception e) {
if (e instanceof ClosedByInterruptException) {
return;
} else if (e instanceof IOException && e.getMessage().contains("Permission denied")) {
mMission.notifyError(DownloadMission.ERROR_PERMISSION_DENIED, e);
return;
}
if (retryCount++ > mMission.maxRetry) {
Log.e(TAG, "initializer failed", e);
mMission.running = false;
mMission.notifyError(e);
return;
}
//try again
Log.e(TAG, "initializer failed, retrying", e);
}
}
mMission.start();
}
}