ctbrec-5.3.2-experimental/src/main/java/ctbrec/ui/RecordingsTab.java

462 lines
19 KiB
Java

package ctbrec.ui;
import static javafx.scene.control.ButtonType.NO;
import static javafx.scene.control.ButtonType.YES;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.iheartradio.m3u8.Encoding;
import com.iheartradio.m3u8.Format;
import com.iheartradio.m3u8.ParseException;
import com.iheartradio.m3u8.PlaylistException;
import com.iheartradio.m3u8.PlaylistParser;
import com.iheartradio.m3u8.data.MediaPlaylist;
import com.iheartradio.m3u8.data.Playlist;
import com.iheartradio.m3u8.data.TrackData;
import ctbrec.Config;
import ctbrec.Recording;
import ctbrec.Recording.STATUS;
import ctbrec.recorder.Recorder;
import javafx.application.Platform;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.concurrent.ScheduledService;
import javafx.concurrent.Task;
import javafx.geometry.Insets;
import javafx.scene.Cursor;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.ButtonType;
import javafx.scene.control.ContextMenu;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuItem;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.Tab;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.input.ContextMenuEvent;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.FlowPane;
import javafx.stage.FileChooser;
import javafx.util.Duration;
public class RecordingsTab extends Tab implements TabSelectionListener {
private static final transient Logger LOG = LoggerFactory.getLogger(RecordingsTab.class);
private ScheduledService<List<JavaFxRecording>> updateService;
private Config config;
private Recorder recorder;
FlowPane grid = new FlowPane();
ScrollPane scrollPane = new ScrollPane();
TableView<JavaFxRecording> table = new TableView<JavaFxRecording>();
ObservableList<JavaFxRecording> observableRecordings = FXCollections.observableArrayList();
ContextMenu popup;
public RecordingsTab(String title, Recorder recorder, Config config) {
super(title);
this.recorder = recorder;
this.config = config;
createGui();
setClosable(false);
initializeUpdateService();
}
@SuppressWarnings("unchecked")
private void createGui() {
grid.setPadding(new Insets(5));
grid.setHgap(5);
grid.setVgap(5);
scrollPane.setContent(grid);
scrollPane.setFitToHeight(true);
scrollPane.setFitToWidth(true);
BorderPane.setMargin(scrollPane, new Insets(5));
table.setEditable(false);
TableColumn<JavaFxRecording, String> name = new TableColumn<>("Model");
name.setPrefWidth(200);
name.setCellValueFactory(new PropertyValueFactory<JavaFxRecording, String>("modelName"));
TableColumn<JavaFxRecording, String> date = new TableColumn<>("Date");
date.setCellValueFactory(new PropertyValueFactory<JavaFxRecording, String>("startDate"));
date.setPrefWidth(200);
TableColumn<JavaFxRecording, String> status = new TableColumn<>("Status");
status.setCellValueFactory((cdf) -> cdf.getValue().getStatusProperty());
status.setPrefWidth(300);
TableColumn<JavaFxRecording, String> progress = new TableColumn<>("Progress");
progress.setCellValueFactory((cdf) -> cdf.getValue().getProgressProperty());
progress.setPrefWidth(100);
TableColumn<JavaFxRecording, String> size = new TableColumn<>("Size");
size.setCellValueFactory((cdf) -> cdf.getValue().getSizeProperty());
size.setPrefWidth(100);
table.getColumns().addAll(name, date, status, progress, size);
table.setItems(observableRecordings);
table.addEventHandler(ContextMenuEvent.CONTEXT_MENU_REQUESTED, event -> {
Recording recording = table.getSelectionModel().getSelectedItem();
popup = createContextMenu(recording);
if(!popup.getItems().isEmpty()) {
popup.show(table, event.getScreenX(), event.getScreenY());
}
event.consume();
});
table.addEventHandler(MouseEvent.MOUSE_PRESSED, event -> {
if(popup != null) {
popup.hide();
}
});
table.addEventFilter(KeyEvent.KEY_PRESSED, event -> {
if(event.getCode() == KeyCode.DELETE) {
JavaFxRecording recording = table.getSelectionModel().getSelectedItem();
if(recording != null) {
delete(recording);
}
}
});
scrollPane.setContent(table);
BorderPane root = new BorderPane();
root.setPadding(new Insets(5));
root.setCenter(scrollPane);
setContent(root);
}
void initializeUpdateService() {
updateService = createUpdateService();
updateService.setPeriod(new Duration(TimeUnit.SECONDS.toMillis(2)));
updateService.setOnSucceeded((event) -> {
List<JavaFxRecording> recordings = updateService.getValue();
if (recordings == null) {
return;
}
for (Iterator<JavaFxRecording> iterator = observableRecordings.iterator(); iterator.hasNext();) {
JavaFxRecording old = iterator.next();
if (!recordings.contains(old)) {
// remove deleted recordings
iterator.remove();
}
}
for (JavaFxRecording recording : recordings) {
if (!observableRecordings.contains(recording)) {
// add new recordings
observableRecordings.add(recording);
} else {
// update existing ones
int index = observableRecordings.indexOf(recording);
JavaFxRecording old = observableRecordings.get(index);
old.update(recording);
}
}
table.sort();
});
updateService.setOnFailed((event) -> {
LOG.info("Couldn't get list of recordings from recorder", event.getSource().getException());
AutosizeAlert autosizeAlert = new AutosizeAlert(AlertType.ERROR);
autosizeAlert.setTitle("Whoopsie!");
autosizeAlert.setHeaderText("Recordings not available");
autosizeAlert.setContentText("An error occured while retrieving the list of recordings");
autosizeAlert.showAndWait();
});
}
private ScheduledService<List<JavaFxRecording>> createUpdateService() {
ScheduledService<List<JavaFxRecording>> updateService = new ScheduledService<List<JavaFxRecording>>() {
@Override
protected Task<List<JavaFxRecording>> createTask() {
return new Task<List<JavaFxRecording>>() {
@Override
public List<JavaFxRecording> call() throws IOException, InvalidKeyException, NoSuchAlgorithmException, IllegalStateException {
List<JavaFxRecording> recordings = new ArrayList<>();
for (Recording rec : recorder.getRecordings()) {
recordings.add(new JavaFxRecording(rec));
}
return recordings;
}
};
}
};
ExecutorService executor = Executors.newSingleThreadExecutor(new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setDaemon(true);
t.setName("RecordingsTab UpdateService");
return t;
}
});
updateService.setExecutor(executor);
return updateService;
}
@Override
public void selected() {
if (updateService != null) {
updateService.reset();
updateService.restart();
}
}
@Override
public void deselected() {
if (updateService != null) {
updateService.cancel();
}
}
private ContextMenu createContextMenu(Recording recording) {
ContextMenu contextMenu = new ContextMenu();
contextMenu.setHideOnEscape(true);
contextMenu.setAutoHide(true);
contextMenu.setAutoFix(true);
MenuItem openInPlayer = new MenuItem("Open in Player");
openInPlayer.setOnAction((e) -> {
play(recording);
});
if(recording.getStatus() == STATUS.FINISHED) {
contextMenu.getItems().add(openInPlayer);
}
MenuItem deleteRecording = new MenuItem("Delete");
deleteRecording.setOnAction((e) -> {
delete(recording);
});
if(recording.getStatus() == STATUS.FINISHED) {
contextMenu.getItems().add(deleteRecording);
}
MenuItem downloadRecording = new MenuItem("Download");
downloadRecording.setOnAction((e) -> {
try {
download(recording);
} catch (IOException | ParseException | PlaylistException e1) {
showErrorDialog("Error while downloading recording", "The recording could not be downloaded", e1);
LOG.error("Error while downloading recording", e1);
}
});
if (!Config.getInstance().getSettings().localRecording && recording.getStatus() == STATUS.FINISHED) {
contextMenu.getItems().add(downloadRecording);
}
Menu mergeRecording = new Menu("Merge segments");
MenuItem mergeKeep = new MenuItem("… and keep segments");
mergeKeep.setOnAction((e) -> {
try {
merge(recording, true);
} catch (IOException e1) {
showErrorDialog("Error while merging recording", "The playlist does not exist", e1);
LOG.error("Error while merging recording", e);
}
});
MenuItem mergeDelete = new MenuItem("… and delete segments");
mergeDelete.setOnAction((e) -> {
try {
merge(recording, false);
} catch (IOException e1) {
showErrorDialog("Error while merging recording", "The playlist does not exist", e1);
LOG.error("Error while merging recording", e);
}
});
mergeRecording.getItems().addAll(mergeKeep, mergeDelete);
if (Config.getInstance().getSettings().localRecording && recording.getStatus() == STATUS.FINISHED) {
if(!Recording.isMergedRecording(recording)) {
contextMenu.getItems().add(mergeRecording);
}
}
return contextMenu;
}
private void merge(Recording recording, boolean keepSegments) throws IOException {
File recDir = new File (Config.getInstance().getSettings().recordingsDir, recording.getPath());
File playlistFile = new File(recDir, "playlist.m3u8");
if(!playlistFile.exists()) {
table.setCursor(Cursor.DEFAULT);
throw new IOException("Playlist file does not exist");
}
String filename = recording.getPath().replaceAll("/", "-") + ".ts";
File targetFile = new File(recDir, filename);
if(targetFile.exists()) {
return;
}
Thread t = new Thread() {
@Override
public void run() {
try {
recorder.merge(recording, keepSegments);
} catch (IOException e) {
showErrorDialog("Error while merging segments", "The merged file could not be created", e);
LOG.error("Error while merging segments", e);
} finally {
Platform.runLater(() -> {
recording.setStatus(STATUS.FINISHED);
recording.setProgress(-1);
});
}
};
};
t.setDaemon(true);
t.setName("Segment Merger " + recording.getPath());
t.start();
}
private void download(Recording recording) throws IOException, ParseException, PlaylistException {
String filename = recording.getPath().replaceAll("/", "-") + ".ts";
FileChooser chooser = new FileChooser();
chooser.setInitialFileName(filename);
if(config.getSettings().lastDownloadDir != null && !config.getSettings().lastDownloadDir.equals("")) {
File dir = new File(config.getSettings().lastDownloadDir);
while(!dir.exists()) {
dir = dir.getParentFile();
}
chooser.setInitialDirectory(dir);
}
File target = chooser.showSaveDialog(null);
if(target != null) {
config.getSettings().lastDownloadDir = target.getParent();
String hlsBase = "http://" + config.getSettings().httpServer + ":" + config.getSettings().httpPort + "/hls";
URL url = new URL(hlsBase + "/" + recording.getPath() + "/playlist.m3u8");
LOG.info("Downloading {}", recording.getPath());
PlaylistParser parser = new PlaylistParser(url.openStream(), Format.EXT_M3U, Encoding.UTF_8);
Playlist playlist = parser.parse();
MediaPlaylist mediaPlaylist = playlist.getMediaPlaylist();
List<TrackData> tracks = mediaPlaylist.getTracks();
List<String> segmentUris = new ArrayList<>();
for (TrackData trackData : tracks) {
String segmentUri = hlsBase + "/" + recording.getPath() + "/" + trackData.getUri();
segmentUris.add(segmentUri);
}
Thread t = new Thread() {
@Override
public void run() {
try(FileOutputStream fos = new FileOutputStream(target)) {
for (int i = 0; i < segmentUris.size(); i++) {
URL segment = new URL(segmentUris.get(i));
InputStream in = segment.openStream();
byte[] b = new byte[1024];
int length = -1;
while( (length = in.read(b)) >= 0 ) {
fos.write(b, 0, length);
}
in.close();
int progress = (int) (i * 100.0 / segmentUris.size());
Platform.runLater(new Runnable() {
@Override
public void run() {
recording.setStatus(STATUS.DOWNLOADING);
recording.setProgress(progress);
}
});
}
Platform.runLater(new Runnable() {
@Override
public void run() {
recording.setStatus(STATUS.FINISHED);
recording.setProgress(-1);
}
});
} catch (FileNotFoundException e) {
showErrorDialog("Error while downloading recording", "The target file couldn't be created", e);
LOG.error("Error while downloading recording", e);
} catch (IOException e) {
showErrorDialog("Error while downloading recording", "The recording could not be downloaded", e);
LOG.error("Error while downloading recording", e);
}
}
};
t.setDaemon(true);
t.setName("Download Thread " + recording.getPath());
t.start();
}
}
private void showErrorDialog(final String title, final String msg, final Exception e) {
Platform.runLater(new Runnable() {
@Override
public void run() {
AutosizeAlert autosizeAlert = new AutosizeAlert(AlertType.ERROR);
autosizeAlert.setTitle(title);
autosizeAlert.setHeaderText(msg);
autosizeAlert.setContentText("An error occured: " + e.getLocalizedMessage());
autosizeAlert.showAndWait();
}
});
}
private void play(Recording recording) {
final String url;
if (Config.getInstance().getSettings().localRecording) {
new Thread() {
@Override
public void run() {
Player.play(recording);
}
}.start();
} else {
String hlsBase = "http://" + config.getSettings().httpServer + ":" + config.getSettings().httpPort + "/hls";
url = hlsBase + "/" + recording.getPath() + "/playlist.m3u8";
new Thread() {
@Override
public void run() {
Player.play(url);
}
}.start();
}
}
private void delete(Recording r) {
table.setCursor(Cursor.WAIT);
String msg = "Delete " + r.getModelName() + "/" + r.getStartDate() + " for good?";
AutosizeAlert confirm = new AutosizeAlert(AlertType.CONFIRMATION, msg, YES, NO);
confirm.setTitle("Delete recording?");
confirm.setHeaderText(msg);
confirm.setContentText("");
confirm.showAndWait();
if (confirm.getResult() == ButtonType.YES) {
Thread deleteThread = new Thread() {
@Override
public void run() {
try {
recorder.delete(r);
Platform.runLater(() -> observableRecordings.remove(r));
} catch (IOException | InvalidKeyException | NoSuchAlgorithmException | IllegalStateException e1) {
LOG.error("Error while deleting recording", e1);
showErrorDialog("Error while deleting recording", "Recording not deleted", e1);
} finally {
table.setCursor(Cursor.DEFAULT);
}
}
};
deleteThread.start();
} else {
table.setCursor(Cursor.DEFAULT);
}
}
}