static void download(final DownloadJob job) throws IOException {
final HttpURLConnection connection = (HttpURLConnection) job.url.openConnection();
connection.setRequestMethod("GET");
if (job.headers != null) {
for (final Entry<String, String> e : job.headers.entrySet()) {
connection.addRequestProperty(e.getKey(), e.getValue());
}
}
connection.connect();
job.responseCode = connection.getResponseCode();
job.responseHeaders.clear();
job.responseText = null;
for (int i = 1; ; i++) {
final String key = connection.getHeaderFieldKey(i);
if (key == null) {
break;
}
final String value = connection.getHeaderField(i);
job.responseHeaders.put(key.toLowerCase(), value);
}
final StringBuilder sb = new StringBuilder();
final BufferedReader r =
new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
try {
for (int ch = r.read(); ch != -1; ch = r.read()) {
sb.append((char) ch);
}
job.responseText = sb.toString();
} finally {
r.close();
}
}
@Override
public boolean trackAvailable(Track track) {
for (DownloadJob dJob : mCompletedJobs) {
if (track.getId() == dJob.getPlaylistEntry().getTrack().getId()) {
return true;
}
}
return false;
}
public void removeDownload(DownloadJob job) {
if (job.getProgress() < 100) {
job.cancel();
mQueuedJobs.remove(job);
} else {
mCompletedJobs.remove(job);
}
mDb.remove(job);
mDownloadManager.notifyObservers();
}
private void loadOldDownloads() {
ArrayList<DownloadJob> oldDownloads = mDb.getAllDownloadJobs();
for (DownloadJob dJob : oldDownloads) {
if (dJob.getProgress() == 100) {
mCompletedJobs.add(dJob);
} else {
mDownloadManager.download(dJob.getPlaylistEntry());
}
}
mDownloadManager.notifyObservers();
}
@Override
protected void onPostExecute(Boolean success) {
AttachmentView attachmentView = downloadJob.getAttachmentView();
downloadJob.setSuccess(success);
if (success) {
attachmentView.setImage(bitmap, bitmapOrientation);
} else {
if (!downloadJob.hasRetry()) {
attachmentView.signalImageLoadingError();
}
}
handler.sendEmptyMessage(0);
}
private DownloadJob buildJob(Cursor cursor) {
DownloadEntry entry = new DownloadEntry();
entry.aid = cursor.getString(cursor.getColumnIndex(COLUMN_AID));
entry.title = cursor.getString(cursor.getColumnIndex(COLUMN_TITLE));
entry.destination = cursor.getString(cursor.getColumnIndex(COLUMN_DEST));
entry.part = new VideoPart();
entry.part.vid = cursor.getString(cursor.getColumnIndex(COLUMN_VID));
entry.part.subtitle = cursor.getString(cursor.getColumnIndex(COLUMN_SUBTITLE));
entry.part.vtype = cursor.getString(cursor.getColumnIndex(COLUMN_VTYPE));
entry.part.segments = new ArrayList<VideoSegment>();
DownloadJob job = new DownloadJob(entry);
job.setUserAgent(cursor.getString(cursor.getColumnIndex(COLUMN_UA)));
int status = cursor.getInt(cursor.getColumnIndex(COLUMN_STATUS));
job.setStatus(status);
entry.part.isDownloaded = status == STATUS_SUCCESS;
return job;
}
@Override
public int remove(DownloadJob job) {
if (mDb == null) return 0;
DownloadEntry entry = job.getEntry();
String whereClause = COLUMN_AID + "=? and " + COLUMN_VID + "=?";
String[] args = new String[] {entry.aid, entry.part.vid};
int delete = mDb.delete(DOWNLOAD_TABLE, whereClause, args);
return delete;
}
private void loadImageThumbnail() {
try {
String filename = downloadJob.getFeedbackAttachment().getCacheId();
AttachmentView attachmentView = downloadJob.getAttachmentView();
bitmapOrientation = ImageUtils.determineOrientation(new File(dropFolder, filename));
int width =
bitmapOrientation == ImageUtils.ORIENTATION_LANDSCAPE
? attachmentView.getWidthLandscape()
: attachmentView.getWidthPortrait();
int height =
bitmapOrientation == ImageUtils.ORIENTATION_LANDSCAPE
? attachmentView.getMaxHeightLandscape()
: attachmentView.getMaxHeightPortrait();
bitmap = ImageUtils.decodeSampledBitmap(new File(dropFolder, filename), width, height);
} catch (IOException e) {
e.printStackTrace();
bitmap = null;
}
}
@Override
protected Boolean doInBackground(Void... args) {
FeedbackAttachment attachment = downloadJob.getFeedbackAttachment();
if (attachment.isAvailableInCache()) {
HockeyLog.error("Cached...");
loadImageThumbnail();
return true;
} else {
HockeyLog.error("Downloading...");
boolean success = downloadAttachment(attachment.getUrl(), attachment.getCacheId());
if (success) {
loadImageThumbnail();
}
return success;
}
}
public boolean queueDownload(DownloadJob downloadJob) {
for (DownloadJob dJob : mCompletedJobs) {
if (dJob.getPlaylistEntry().getTrack().getId()
== downloadJob.getPlaylistEntry().getTrack().getId()) return false;
}
for (DownloadJob dJob : mQueuedJobs) {
if (dJob.getPlaylistEntry().getTrack().getId()
== downloadJob.getPlaylistEntry().getTrack().getId()) return false;
}
if (mDb.addToLibrary(downloadJob.getPlaylistEntry())) {
mQueuedJobs.add(downloadJob);
mDownloadManager.notifyObservers();
return true;
} else {
return false;
}
}
@Override
// TODO 这个方法似乎没有用了
public int updateDownload(DownloadJob job) {
if (mDb == null || job == null) {
return 0;
}
DownloadEntry entry = job.getEntry();
if (entry == null || entry.part == null || entry.part.segments == null)
throw new IllegalEntryException("check your entry data!");
ContentValues values = new ContentValues();
values.put(COLUMN_STATUS, STATUS_PENDING);
values.put(COLUMN_CURRENT, 0);
values.put(COLUMN_AID, entry.aid);
values.put(COLUMN_TITLE, entry.title);
values.put(COLUMN_DEST, entry.destination);
values.put(COLUMN_VID, entry.part.vid);
values.put(COLUMN_VTYPE, entry.part.vtype);
values.put(COLUMN_SUBTITLE, entry.part.subtitle);
String whereClause = COLUMN_AID + "=? and " + COLUMN_VID + "=? and " + COLUMN_NUM + "=?";
int rowCount = 0;
for (int i = 0; i < entry.part.segments.size(); i++) {
VideoSegment s = entry.part.segments.get(i);
values.put(COLUMN_TOTAL, s.size);
values.put(COLUMN_NUM, s.num);
values.put(COLUMN_URL, s.stream);
rowCount =
mDb.update(
DOWNLOAD_TABLE,
values,
whereClause,
new String[] {entry.aid, entry.part.vid, String.valueOf(s.num)});
}
return rowCount;
}
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
// 网络发生变化时
if (NET_ACTION.equals(action)) {
ConnectivityManager manager =
(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo wifi = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
// 当切换到只有移动网络，只有当非只在wifi下才自动开启下载
if (wifi.isConnected()) {
for (DownloadJob job : BrowserApp.getInstance().getDownloadManager().getQueuedDownloads()) {
if (!job.isUserPause()
&& (job.getStatus() == DownloadJob.PAUSE || job.getStatus() == DownloadJob.WAITING))
job.start();
}
}
}
if (SPEED_ACTION.equals(action)) {
boolean cutSpeed = intent.getBooleanExtra("player", false);
if (cutSpeed) {
int dn = BrowserApp.getInstance().getDownloadManager().downloading_num;
for (DownloadJob job : BrowserApp.getInstance().getDownloadManager().getQueuedDownloads()) {
if (job.getStatus() == DownloadJob.DOWNLOADING) {
job.dn = dn;
job.pauseOnSpeed();
}
BrowserApp.getInstance().getDownloadManager().notifyObservers();
}
} else {
for (DownloadJob job : BrowserApp.getInstance().getDownloadManager().getQueuedDownloads()) {
if (job.getStatus() == DownloadJob.PAUSEONSPEED) job.start();
}
}
}
if (DOWNLOADONLYWIFI.equals(action)) {
boolean isDownloadOnlyWifi = intent.getBooleanExtra("isDownloadOnlyWifi", true);
// 当非移动网络时
if (!(NetworkUtil.reportNetType(BrowserApp.getInstance()) == 2)) return;
if (isDownloadOnlyWifi) {
for (DownloadJob job : BrowserApp.getInstance().getDownloadManager().getQueuedDownloads()) {
if (job.getStatus() == DownloadJob.DOWNLOADING) job.pauseOnSetWifiChange();
}
} else {
for (DownloadJob job : BrowserApp.getInstance().getDownloadManager().getQueuedDownloads()) {
if (job.getStatus() == DownloadJob.PAUSE) {
job.getEntity().setUserPauseWhen3G(false);
job.start();
}
}
}
}
if (OFFLINECACHE.equals(action)) {
boolean isDownload = intent.getBooleanExtra("download", true);
if (isDownload) {
for (DownloadJob job : BrowserApp.getInstance().getDownloadManager().getQueuedDownloads()) {
if (job.getStatus() == DownloadJob.PAUSEONOFFLINECACHE) {
job.start();
}
}
} else {
for (DownloadJob job : BrowserApp.getInstance().getDownloadManager().getQueuedDownloads()) {
if (job.getStatus() == DownloadJob.DOWNLOADING) {
job.pauseOnOfflineCache();
}
}
}
}
}
@Override
public List<DownloadJob> getAllDownloads() {
List<DownloadJob> all = new ArrayList<DownloadJob>();
if (mDb != null) {
Cursor query = mDb.query(DOWNLOAD_TABLE, null, null, null, null, null, null);
DownloadJob job = null;
try {
for (query.moveToFirst(); !query.isAfterLast(); query.moveToNext()) {
String aid = query.getString(query.getColumnIndex(COLUMN_AID));
String vid = query.getString(query.getColumnIndex(COLUMN_VID));
// 是否同一个part
if (job == null
|| !job.getEntry().aid.equals(aid)
|| !job.getEntry().part.vid.equals(vid)) {
job = buildJob(query);
all.add(job);
}
VideoSegment s = new VideoSegment();
s.num = query.getInt(query.getColumnIndex(COLUMN_NUM));
s.size = query.getLong(query.getColumnIndex(COLUMN_TOTAL));
s.stream = query.getString(query.getColumnIndex(COLUMN_URL));
s.etag = query.getString(query.getColumnIndex(COLUMN_ETAG));
s.fileName = query.getString(query.getColumnIndex(COLUMN_DATA));
s.duration = query.getLong(query.getColumnIndex(COLUMN_DURATION));
job.getEntry().part.segments.add(s);
if (AcApp.isExternalStorageAvailable()) {
if (!TextUtils.isEmpty(job.getEntry().destination) && !TextUtils.isEmpty(s.fileName)) {
// 设置segment的播放路径为本地文件uri
// 实现边下边播的功能
File file = new File(job.getEntry().destination, s.fileName);
if (file.exists()) {
s.url = Uri.fromFile(file).toString();
} else s.url = s.stream;
int downloadedSize = (int) file.length();
job.addDownloadedSize(downloadedSize);
if (query.getInt(query.getColumnIndex(COLUMN_CURRENT)) != downloadedSize) {
// 数据库中的数据有误！
// 写入正确的数据
// XXX: 也许根本就不需要current_bytes这个字段...
ContentValues values = new ContentValues();
values.put(COLUMN_CURRENT, downloadedSize);
updateDownload(job.getEntry().part.vid, s.num, values);
}
}
}
// 真实的下载进度由file.length来确定比较好。
// @see downloadTask.setupDestinationFile()
// int downloadedSize = query.getInt(query.getColumnIndex(COLUMN_CURRENT));
// job.addDownloadedSize(downloadedSize);
int totalSize = query.getInt(query.getColumnIndex(COLUMN_TOTAL));
if (totalSize != -1) job.addTotalSize(totalSize);
}
} catch (Exception e) {
} finally {
query.close();
}
}
return all;
}
public void downloadCompleted(DownloadJob job) {
mQueuedJobs.remove(job);
mCompletedJobs.add(job);
mDb.setStatus(job.getPlaylistEntry(), true);
mDownloadManager.notifyObservers();
}
