/*
* Copyright (C) 2016 Jorge Ruesga
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.ruesga.android.wallpapers.photophase.cast;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.IBinder;
import android.os.Message;
import android.os.RemoteException;
import android.provider.Settings;
import android.support.annotation.Nullable;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v4.util.Pair;
import android.util.Log;
import com.google.android.gms.gcm.GcmNetworkManager;
import com.google.android.gms.gcm.OneoffTask;
import com.google.android.gms.gcm.Task;
import com.ruesga.android.wallpapers.photophase.AndroidHelper;
import com.ruesga.android.wallpapers.photophase.ICastService;
import com.ruesga.android.wallpapers.photophase.MediaPictureDiscoverer;
import com.ruesga.android.wallpapers.photophase.preferences.PreferencesProvider;
import com.ruesga.android.wallpapers.photophase.preferences.PreferencesProvider.Preferences.Cast;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import fi.iki.elonen.NanoHTTPD;
import su.litvak.chromecast.api.v2.ChromeCast;
public class CastService extends Service implements CastServer.CastServerEventListener {
private static final String TAG = "CastService";
public static final String ACTION_DEVICE_SELECTED =
"com.ruesga.android.wallpapers.photophase.actions.CAST_DEVICE_SELECTED";
public static final String ACTION_CONNECTIVITY_CHANGED =
"com.ruesga.android.wallpapers.photophase.actions.CAST_CONNECTIVITY_CHANGED";
public static final String ACTION_MEDIA_COMMAND =
"com.ruesga.android.wallpapers.photophase.actions.CAST_MEDIA_COMMAND";
public static final String ACTION_ON_RELEASE_NETWORK =
"com.ruesga.android.wallpapers.photophase.broadcast.CAST_NETWORK_RELEASED";
public static final String ACTION_SCAN_FINISHED =
"com.ruesga.android.wallpapers.photophase.broadcast.CAST_SCAN_FINISHED";
public static final String ACTION_MEDIA_CHANGED =
"com.ruesga.android.wallpapers.photophase.broadcast.CAST_MEDIA_CHANGED";
public static final String ACTION_QUEUE_CHANGED =
"com.ruesga.android.wallpapers.photophase.broadcast.CAST_QUEUE_CHANGED";
public static final String ACTION_LOADING_MEDIA =
"com.ruesga.android.wallpapers.photophase.broadcast.CAST_LOADING_MEDIA";
public static final String ACTION_SERVER_STOP =
"com.ruesga.android.wallpapers.photophase.broadcast.SERVER_STOP";
public static final String ACTION_SERVER_EXITED =
"com.ruesga.android.wallpapers.photophase.broadcast.CAST_SERVER_EXITED";
public static final String EXTRA_PATH = "path";
public static final String EXTRA_DEVICE = "device";
public static final String EXTRA_IS_ERROR = "is_error";
public static final String EXTRA_ROUTED = "routed";
public static final String EXTRA_COMMAND = "command";
public static final int CAST_MODE_NONE = -1;
public static final int CAST_MODE_SINGLE = 0;
public static final int CAST_MODE_SLIDESHOW = 1;
public static final int INVALID_COMMAND = -1;
public static final int COMMAND_PAUSE = 0;
public static final int COMMAND_RESUME = 1;
public static final int COMMAND_NEXT = 2;
public static final int COMMAND_STOP = 3;
public static class CastStatusInfo {
public int mCastMode = CAST_MODE_NONE;
public boolean mPaused;
}
private static final int MESSAGE_START_AND_CAST = 1;
private static final int MESSAGE_CAST = 2;
private static final int MESSAGE_SEND_CONFIGURATION = 3;
private static final int MESSAGE_SELECT_DEVICE = 4;
private static final int MESSAGE_REQUEST_SCAN = 5;
private static final int MESSAGE_SLIDESHOW_NEXT = 6;
private static final int MESSAGE_RESUME = 7;
private static final int MESSAGE_PAUSE = 8;
private static final int MESSAGE_SHOW = 9;
private static final int MESSAGE_REMOVE = 10;
private static final int MESSAGE_SHOW_PREVIOUS = 11;
private static final int MESSAGE_SHOW_NEXT = 12;
private static final int MESSAGE_STOP = 13;
private static final int MESSAGE_EXIT = 14;
private static final String CAST_SERVICE_TAG = "photophase-cast-slideshow";
private CastServer mServer;
private MediaPictureDiscoverer mMediaDiscoverer;
private Handler mBackgroundHandler;
private HandlerThread mBackgroundHandlerThread;
private GcmNetworkManager mGcmNetworkManager;
private boolean mInDozeMode = false;
private boolean mScanning;
private boolean mHasNearDevices;
private CastStatusInfo mCastStatusInfo = new CastStatusInfo();
private List<String> mQueue = new ArrayList<>();
private List<String> mShuffleQueue = new ArrayList<>();
private int mQueuePointer;
private Random mRandom;
private final Handler.Callback mMessenger = new Handler.Callback() {
@Override
public boolean handleMessage(Message message) {
switch (message.what) {
case MESSAGE_START_AND_CAST:
//noinspection unchecked
Pair<String, String> o1 = (Pair<String, String>) message.obj;
startServerAndCastPath(o1.first, o1.second);
return true;
case MESSAGE_CAST:
performCast((String) message.obj);
return true;
case MESSAGE_SEND_CONFIGURATION:
performSendConfiguration();
return true;
case MESSAGE_SELECT_DEVICE:
//noinspection unchecked
Pair<String, Boolean> o2 = (Pair<String, Boolean>) message.obj;
performSelectDevice(o2.first, o2.second);
return true;
case MESSAGE_REQUEST_SCAN:
performRequestScan();
return true;
case MESSAGE_SLIDESHOW_NEXT:
performSlideShowNext();
return true;
case MESSAGE_RESUME:
performResume();
return true;
case MESSAGE_PAUSE:
performPause();
return true;
case MESSAGE_SHOW:
performShow((String) message.obj);
return true;
case MESSAGE_REMOVE:
performRemove((String) message.obj);
return true;
case MESSAGE_SHOW_PREVIOUS:
performShowPrevious();
return true;
case MESSAGE_SHOW_NEXT:
performShowNext();
return true;
case MESSAGE_STOP:
performStopCast();
return true;
case MESSAGE_EXIT:
stopSelfAndServer();
return true;
}
return false;
}
};
private final BroadcastReceiver mSettingsChanged = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
switch (action) {
case PreferencesProvider.ACTION_SETTINGS_CHANGED:
// If is not enabled, just shutdown
if (!Cast.isEnabled(context)) {
// Shutdown the service
stopSelfAndServer();
return;
}
// Send configuration
boolean changed = intent.getBooleanExtra(
PreferencesProvider.EXTRA_FLAG_CAST_CONFIGURATION_CHANGE, false);
if (changed) {
if (mServer != null) {
Message.obtain(mBackgroundHandler, MESSAGE_SEND_CONFIGURATION).sendToTarget();
}
String prefKey = intent.getStringExtra(PreferencesProvider.EXTRA_PREF_KEY);
if (prefKey == null) {
return;
}
// Restore the shuffle queue
if (prefKey.equals("cast_slideshow_shuffle")) {
mShuffleQueue.clear();
mShuffleQueue.addAll(mQueue);
mQueuePointer = 0;
}
// Reset alarm and set the new slideshow timeout
if (prefKey.equals("cast_slideshow_time")) {
cancelSlideShowAlarm();
if (mCastStatusInfo.mCastMode == CAST_MODE_SLIDESHOW) {
scheduleSlideShowAlarm();
}
}
}
break;
case Intent.ACTION_SCREEN_ON:
mInDozeMode = false;
break;
case Intent.ACTION_SCREEN_OFF:
mInDozeMode = AndroidHelper.isMarshmallowOrGreater();
if (mCastStatusInfo.mCastMode == CAST_MODE_SLIDESHOW && !mCastStatusInfo.mPaused) {
// Change to gcm
scheduleSlideShowAlarm();
}
break;
}
}
};
private final ICastService.Stub mBinder = new ICastService.Stub() {
@Override
public boolean hasNearDevices() throws RemoteException {
return mHasNearDevices;
}
@Override
public void requestScan() throws RemoteException {
if (!CastUtils.hasValidCastNetwork(CastService.this)) {
return;
}
Message.obtain(mBackgroundHandler, MESSAGE_REQUEST_SCAN).sendToTarget();
}
@Override
public void cast(String path) throws RemoteException {
// Check if device is configured
if (!canCastToDevice(path, false)) {
return;
}
// Send the path to the device
Message.obtain(mBackgroundHandler, MESSAGE_CAST, path).sendToTarget();
}
@Override
public void enqueue(String path) throws RemoteException {
// Check if device is configured
if (!canCastToDevice(path, false)) {
return;
}
// Send the path to the device
performEnqueue(path);
}
@Override
public void pause() throws RemoteException {
performPause();
}
@Override
public void resume() throws RemoteException {
if (mCastStatusInfo.mCastMode == CAST_MODE_SLIDESHOW ||
(mCastStatusInfo.mCastMode == CAST_MODE_NONE && !mQueue.isEmpty())) {
Message.obtain(mBackgroundHandler, MESSAGE_RESUME).sendToTarget();
}
}
@Override
public void show(String media) throws RemoteException {
if (mCastStatusInfo.mCastMode == CAST_MODE_SLIDESHOW ||
(mCastStatusInfo.mCastMode == CAST_MODE_NONE && !mQueue.isEmpty())) {
Message.obtain(mBackgroundHandler, MESSAGE_SHOW, media).sendToTarget();
}
}
@Override
public void remove(String media) throws RemoteException {
if (mCastStatusInfo.mCastMode == CAST_MODE_SLIDESHOW ||
(mCastStatusInfo.mCastMode == CAST_MODE_NONE && !mQueue.isEmpty())) {
performRemove(media);
}
}
@Override
public void previous() throws RemoteException {
if (mCastStatusInfo.mCastMode == CAST_MODE_SLIDESHOW ||
(mCastStatusInfo.mCastMode == CAST_MODE_NONE && !mQueue.isEmpty())) {
Message.obtain(mBackgroundHandler, MESSAGE_SHOW_PREVIOUS).sendToTarget();
}
}
@Override
public void next() throws RemoteException {
if (mCastStatusInfo.mCastMode == CAST_MODE_SLIDESHOW ||
(mCastStatusInfo.mCastMode == CAST_MODE_NONE && !mQueue.isEmpty())) {
Message.obtain(mBackgroundHandler, MESSAGE_SHOW_NEXT).sendToTarget();
}
}
@Override
public void stop() throws RemoteException {
Message.obtain(mBackgroundHandler, MESSAGE_STOP).sendToTarget();
}
@Override
public void exit() throws RemoteException {
Message.obtain(mBackgroundHandler, MESSAGE_EXIT).sendToTarget();
}
@Override
public String getCurrentPlaying() throws RemoteException {
if (mServer == null || mServer.getCurrentlyPlaying() == null) {
return null;
}
return mServer.getCurrentlyPlaying().getAbsolutePath();
}
@Override
public String[] getCurrentQueue() throws RemoteException {
return mQueue.toArray(new String[mQueue.size()]);
}
@Override
public int getCurrentCastMode() throws RemoteException {
return mCastStatusInfo.mCastMode;
}
};
@Nullable
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
@Override
public void onCreate() {
super.onCreate();
mRandom = new Random();
try {
mGcmNetworkManager = GcmNetworkManager.getInstance(this);
} catch (Exception ex) {
Log.e(TAG, "No Gcm network", ex);
}
// Create a background messenger
mBackgroundHandlerThread = new HandlerThread(TAG + "BackgroundThread");
mBackgroundHandlerThread.start();
mBackgroundHandler = new Handler(mBackgroundHandlerThread.getLooper(), mMessenger);
IntentFilter filter = new IntentFilter();
filter.addAction(PreferencesProvider.ACTION_SETTINGS_CHANGED);
filter.addAction(Intent.ACTION_SCREEN_OFF);
filter.addAction(Intent.ACTION_SCREEN_ON);
registerReceiver(mSettingsChanged, filter);
mMediaDiscoverer = new MediaPictureDiscoverer(this);
// Request an device scan
Message.obtain(mBackgroundHandler, MESSAGE_REQUEST_SCAN).sendToTarget();
}
@Override
public void onDestroy() {
super.onDestroy();
// Unregister receiver
unregisterReceiver(mSettingsChanged);
// Destroy the server
cancelSlideShowAlarm();
stopServer();
// Destroy background thread
mBackgroundHandlerThread.quit();
mBackgroundHandler = null;
mBackgroundHandlerThread = null;
}
@Override
public void onTaskRemoved(Intent rootIntent) {
super.onTaskRemoved(rootIntent);
stopServer();
}
private boolean canCastToDevice(String path, boolean isError) {
// We are connected to the device
if (mServer != null) {
return true;
}
// We are not connected and there aren't near devices
if (!mHasNearDevices) {
return false;
}
// Cannot cast now, but we can ask the user to select a route
askForCastDevice(path, isError);
return false;
}
private void askForCastDevice(String path, boolean isError) {
Pair<String, Boolean> o = new Pair<>(path, isError);
Message.obtain(mBackgroundHandler, MESSAGE_SELECT_DEVICE, o).sendToTarget();
}
public boolean startServer(String deviceInfo) {
Log.d(TAG, "Start server");
ChromeCast device = CastUtils.string2chromecast(deviceInfo);
try {
if (mServer != null &&
mServer.getChromecast().getAddress().equals(device.getAddress()) &&
mServer.getChromecast().getPort() == device.getPort()) {
// The Chromecast device is the same and is currently casting. Don't start it again
String oldName = mServer.getChromecast().getName();
String newName = device.getName();
if (!oldName.equals(newName)) {
// Update the device name and send the configuration
mServer.getChromecast().setName(device.getName());
performSendConfiguration();
}
return true;
}
// Stop the current cast server
stopServer();
// Create a new cast server
startServer(device);
Cast.setLastConnectedDevice(this, device);
return true;
} catch (IOException ex) {
Log.e(TAG, "Failed to start cast server", ex);
mServer = null;
}
return false;
}
private void stopServer() {
Log.d(TAG, "Stop server");
mCastStatusInfo.mCastMode = CAST_MODE_NONE;
cancelSlideShowAlarm();
if (mServer != null) {
try {
Thread t = new Thread(new Runnable() {
@Override
public void run() {
mServer.stop();
mServer = null;
Log.i(TAG, "Cast server was stopped");
}
});
t.start();
t.join(3000L);
} catch (InterruptedException ex) {
// ignore
}
}
Intent i = new Intent(ACTION_SERVER_EXITED);
LocalBroadcastManager.getInstance(this).sendBroadcast(i);
}
private void performCast(String path) {
Log.d(TAG, "Cast " + path);
try {
File f = new File(path);
// It's a folder? Then obtain all the pictures, send the first one and enqueue th
// rest ones
if (f.exists() && f.isDirectory()) {
List<File> pictures = mMediaDiscoverer.obtain(f);
if (pictures.isEmpty()) {
return;
}
// Stop current alarm
cancelSlideShowAlarm();
// Enqueue and cast this
mQueue.clear();
mShuffleQueue.clear();
for (File pic : pictures) {
String p = pic.getAbsolutePath();
if (!mQueue.contains(p)) {
mQueue.add(p);
mShuffleQueue.add(p);
}
}
mCastStatusInfo.mCastMode = CAST_MODE_SLIDESHOW;
mServer.send(chooseNextPicture());
sendLoadingStatus();
mQueuePointer = 0;
} else {
cancelSlideShowAlarm();
mCastStatusInfo.mCastMode = CAST_MODE_SINGLE;
mServer.send(path);
sendLoadingStatus();
}
} catch (Exception ex) {
Log.w(TAG, "Cannot send path to cast device: " + path, ex);
}
}
private void performEnqueue(String path) {
Log.d(TAG, "Enqueue " + path);
File f = new File(path);
// It's a folder? Then obtain all the pictures, send the first one and enqueue the
// rest ones
if (f.exists() && f.isDirectory()) {
List<File> pictures = mMediaDiscoverer.obtain(f);
if (pictures.isEmpty()) {
return;
}
for (File pic : pictures) {
String p = pic.getAbsolutePath();
if (!mQueue.contains(p)) {
mQueue.add(p);
mShuffleQueue.add(p);
}
}
} else {
String p = f.getAbsolutePath();
if (!mQueue.contains(p)) {
mQueue.add(p);
mShuffleQueue.add(p);
}
}
if (mCastStatusInfo.mCastMode != CAST_MODE_SLIDESHOW) {
final String p = chooseNextPicture();
try {
mCastStatusInfo.mCastMode = CAST_MODE_SLIDESHOW;
mServer.send(p);
mQueuePointer = 0;
sendLoadingStatus();
} catch (Exception ex) {
Log.e(TAG, "Cannot send picture to device: " + p, ex);
}
}
// Notify
Intent i = new Intent(ACTION_QUEUE_CHANGED);
LocalBroadcastManager.getInstance(this).sendBroadcast(i);
}
private void performSendConfiguration() {
Log.d(TAG, "Send configuration");
try {
checkAndRestoreServerStatusIfNeeded();
if (mServer != null) {
mServer.sendConfiguration();
} else {
Log.e(TAG, "Cannot configure device. Server is down");
}
} catch (Exception ex) {
Log.e(TAG, "Cannot configure device", ex);
}
}
private void performStopCast() {
Log.d(TAG, "Stop cast");
try {
mQueuePointer = 0;
cancelSlideShowAlarm();
checkAndRestoreServerStatusIfNeeded();
if (mServer != null) {
mServer.sendStopCast();
mCastStatusInfo.mCastMode = CAST_MODE_NONE;
mServer.onCastStatusUpdated(mCastStatusInfo);
Intent i = new Intent(ACTION_SERVER_STOP);
LocalBroadcastManager.getInstance(this).sendBroadcast(i);
mQueuePointer = -2;
} else {
Log.e(TAG, "Cannot send stop app to device. Server is down");
}
} catch (Exception ex) {
Log.e(TAG, "Cannot send stop app to device", ex);
}
}
private void performSlideShowNext(){
Log.d(TAG, "Slide show next");
cancelSlideShowAlarm();
if (mCastStatusInfo.mCastMode != CAST_MODE_SLIDESHOW || mCastStatusInfo.mPaused) {
// Notify
Intent i = new Intent(ACTION_ON_RELEASE_NETWORK);
LocalBroadcastManager.getInstance(this).sendBroadcast(i);
return;
}
if (mQueue.isEmpty()) {
performStopCast();
return;
}
if (mQueuePointer == -1) {
boolean repeat = Cast.isSlideshowRepeat(this);
if (!repeat) {
// Stop here
performStopCast();
return;
}
mShuffleQueue.clear();
mShuffleQueue.addAll(mQueue);
} else if (mQueuePointer <= -2) {
mQueuePointer = -1;
}
// Point to the next picture
mQueuePointer++;
int size = mQueue.size();
if (mQueuePointer >= size) {
boolean repeat = Cast.isSlideshowRepeat(this);
if (!repeat) {
// Stop here
performStopCast();
return;
}
mShuffleQueue.clear();
mShuffleQueue.addAll(mQueue);
mQueuePointer = 0;
}
// Choose the next picture to show
final String f = chooseNextPicture();
try {
checkAndRestoreServerStatusIfNeeded();
if (mServer != null) {
mServer.send(f);
sendLoadingStatus();
} else {
Log.e(TAG, "Cannot change to next image " + f + ". Server is down");
}
} catch (Exception ex) {
Log.e(TAG, "Cannot change to next image " + f + " for device", ex);
}
// Mark End of Queue
boolean eoq = mQueuePointer >= (size - 1);
if (eoq) {
mQueuePointer = -1;
}
}
private void performSelectDevice(String path, boolean isError) {
boolean isRouted = false;
ChromeCast device = Cast.getLastConnectedDevice(this);
if (!isError && device != null && Cast.isUseLastConnectedDevice(this)) {
if (CastUtils.testConnectivity(device)) {
Pair<String, String> o = new Pair<>(CastUtils.chromecast2string(device), path);
Message.obtain(mBackgroundHandler, MESSAGE_START_AND_CAST, o).sendToTarget();
isRouted = true;
}
}
// Open the cast route activity
Intent i = new Intent(this, CastRouteActivity.class);
i.putExtra(EXTRA_ROUTED, isRouted);
i.putExtra(EXTRA_PATH, path);
i.putExtra(EXTRA_IS_ERROR, isError);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(i);
}
private void performRequestScan() {
if (mScanning) {
return;
}
// Stop server if we shouldn't listen for cast devices
if (!Cast.isEnabled(this)) {
mHasNearDevices = false;
stopSelfAndServer();
return;
}
if (!CastUtils.hasValidCastNetwork(this)) {
mHasNearDevices = false;
stopSelfAndServer();
return;
}
// Check if at least one devices is listening
mScanning = true;
mHasNearDevices = CastUtils.isNearDevicesAvailable(this);
mScanning = false;
LocalBroadcastManager.getInstance(this).sendBroadcast(new Intent(ACTION_SCAN_FINISHED));
Log.d(TAG, "Performed discovery device scan. Has near devices?: " + mHasNearDevices);
}
private void performShow(String media) {
Log.d(TAG, "Show media: " + media);
if (!mQueue.isEmpty() && mCastStatusInfo.mCastMode == CAST_MODE_NONE) {
mCastStatusInfo.mCastMode = CAST_MODE_SLIDESHOW;
}
int pos = mQueue.indexOf(media);
if (pos >= 0) {
cancelSlideShowAlarm();
if (PreferencesProvider.Preferences.Cast.isSlideshowShuffle(this)) {
// Restore the shuffle queue
mShuffleQueue.clear();
mShuffleQueue.addAll(mQueue);
}
mQueuePointer = pos;
try {
checkAndRestoreServerStatusIfNeeded();
if (mServer != null) {
mServer.send(media);
sendLoadingStatus();
} else {
Log.e(TAG, "Cannot change to image " + media + ". Server is down");
}
} catch (Exception ex) {
Log.e(TAG, "Cannot change to image " + media + " for device", ex);
}
}
}
private void performRemove(String media) {
Log.d(TAG, "Remove media: " + media);
boolean current = mServer != null && mServer.getCurrentlyPlaying() != null
&& mServer.getCurrentlyPlaying().getAbsolutePath().equals(media);
int pos = mQueue.indexOf(media);
mQueue.remove(media);
mShuffleQueue.remove(media);
if (pos >= 0 && current) {
mQueuePointer--;
Message.obtain(mBackgroundHandler, MESSAGE_SLIDESHOW_NEXT).sendToTarget();
}
}
private void performShowPrevious() {
Log.d(TAG, "Show previous");
if (!mQueue.isEmpty() && mCastStatusInfo.mCastMode == CAST_MODE_NONE) {
mCastStatusInfo.mCastMode = CAST_MODE_SLIDESHOW;
}
File current = mServer.getCurrentlyPlaying();
if (current != null) {
int pos = mQueue.indexOf(current.getAbsolutePath());
if (pos >= 0) {
cancelSlideShowAlarm();
pos--;
if (pos < 0) {
pos = mQueue.size();
}
if (PreferencesProvider.Preferences.Cast.isSlideshowShuffle(this)) {
// Restore the shuffle queue
mShuffleQueue.clear();
mShuffleQueue.addAll(mQueue);
}
mQueuePointer = pos;
final String f = mQueue.get(pos);
try {
checkAndRestoreServerStatusIfNeeded();
if (mServer != null) {
mServer.send(f);
sendLoadingStatus();
} else {
Log.e(TAG, "Cannot change to previous image " + f + ". Server is down");
}
} catch (Exception ex) {
Log.e(TAG, "Cannot change to previous image " + f + " for device", ex);
}
}
}
}
private void performShowNext() {
Log.d(TAG, "Show next");
if (!mQueue.isEmpty() && mCastStatusInfo.mCastMode == CAST_MODE_NONE) {
mCastStatusInfo.mCastMode = CAST_MODE_SLIDESHOW;
}
File current = mServer.getCurrentlyPlaying();
if (current != null) {
int pos = mQueue.indexOf(current.getAbsolutePath());
if (pos >= 0) {
cancelSlideShowAlarm();
pos++;
if (pos >= mQueue.size()) {
pos = 0;
}
if (PreferencesProvider.Preferences.Cast.isSlideshowShuffle(this)) {
// Restore the shuffle queue
mShuffleQueue.clear();
mShuffleQueue.addAll(mQueue);
}
mQueuePointer = pos;
final String f = mQueue.get(pos);
try {
checkAndRestoreServerStatusIfNeeded();
if (mServer != null) {
mServer.send(f);
sendLoadingStatus();
} else {
Log.e(TAG, "Cannot change to next image " + f + ". Server is down");
}
} catch (Exception ex) {
Log.e(TAG, "Cannot change to next image " + f + " for device", ex);
}
}
}
}
private void performResume() {
Log.d(TAG, "Resume slide show");
if (!mQueue.isEmpty() && mCastStatusInfo.mCastMode == CAST_MODE_NONE) {
mCastStatusInfo.mCastMode = CAST_MODE_SLIDESHOW;
}
mCastStatusInfo.mPaused = false;
performSlideShowNext();
if (mServer != null) {
mServer.onCastStatusUpdated(mCastStatusInfo);
}
}
private void performPause() {
Log.d(TAG, "Pause slide show");
cancelSlideShowAlarm();
mCastStatusInfo.mPaused = true;
if (mServer != null) {
mServer.onCastStatusUpdated(mCastStatusInfo);
}
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent == null || intent.getAction() == null) {
Log.w(TAG, "Cast service started without an intent");
return START_NOT_STICKY;
}
// Check which action the service was
Log.w(TAG, "Received intent: " + intent);
switch (intent.getAction()) {
case ACTION_DEVICE_SELECTED:
if (!intent.hasExtra(EXTRA_PATH)) {
Log.w(TAG, "Cast service started without a photo to send to");
return START_NOT_STICKY;
}
if (!intent.hasExtra(EXTRA_DEVICE)) {
Log.w(TAG, "Cast service started without a device to send to");
return START_NOT_STICKY;
}
// Get the parameters
String path = intent.getStringExtra(EXTRA_PATH);
String device = intent.getStringExtra(EXTRA_DEVICE);
// Start a new server and associate it to the chromecast device
Pair<String, String> o = new Pair<>(device, path);
Message.obtain(mBackgroundHandler, MESSAGE_START_AND_CAST, o).sendToTarget();
return START_STICKY;
case ACTION_CONNECTIVITY_CHANGED:
Message.obtain(mBackgroundHandler, MESSAGE_REQUEST_SCAN).sendToTarget();
break;
case ACTION_MEDIA_COMMAND:
int command = intent.getIntExtra(EXTRA_COMMAND, INVALID_COMMAND);
if (command == INVALID_COMMAND) {
return START_STICKY;
}
switch (command) {
case COMMAND_RESUME:
Message.obtain(mBackgroundHandler, MESSAGE_RESUME).sendToTarget();
break;
case COMMAND_PAUSE:
Message.obtain(mBackgroundHandler, MESSAGE_PAUSE).sendToTarget();
performPause();
break;
case COMMAND_NEXT:
Message.obtain(mBackgroundHandler, MESSAGE_SLIDESHOW_NEXT).sendToTarget();
break;
case COMMAND_STOP:
Message.obtain(mBackgroundHandler, MESSAGE_EXIT).sendToTarget();
break;
}
return START_STICKY;
}
return START_NOT_STICKY;
}
@Override
public void onCastServerDisconnected() {
mServer = null;
Log.i(TAG, "Cast server was disconnected");
}
@Override
public void onNewTrackReceived(String sender) {
if (!sender.equals(Settings.Secure.ANDROID_ID)) {
performPause();
} else {
Intent i = new Intent(ACTION_MEDIA_CHANGED);
LocalBroadcastManager.getInstance(this).sendBroadcast(i);
scheduleSlideShowAlarm();
}
}
@Override
public CastStatusInfo obtainCastStatusInfo() {
return mCastStatusInfo;
}
private void startServerAndCastPath(String device, String path) {
if (!startServer(device)) {
askForCastDevice(path, true);
return;
}
performCast(path);
}
private void scheduleSlideShowAlarm() {
cancelSlideShowAlarm();
// Don't try to schedule
if (mCastStatusInfo.mCastMode != CAST_MODE_SLIDESHOW || mCastStatusInfo.mPaused) {
return;
}
if (!mInDozeMode) {
// AlarmManager
Intent i = new Intent(this, CastService.class);
i.setAction(ACTION_MEDIA_COMMAND);
i.putExtra(EXTRA_COMMAND, COMMAND_NEXT);
PendingIntent pi = PendingIntent.getService(
this, 1000, i, PendingIntent.FLAG_UPDATE_CURRENT);
long time = Cast.getSlideshowTime(this) * 1000L;
long due = System.currentTimeMillis() + time;
AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
if (AndroidHelper.isMarshmallowOrGreater()) {
am.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, due, pi);
} else if (AndroidHelper.isKitKatOrGreater()) {
am.setExact(AlarmManager.RTC_WAKEUP, due, pi);
} else {
am.set(AlarmManager.RTC_WAKEUP, due, pi);
}
} else {
// Gcm
long time = Cast.getSlideshowTime(this);
if (mGcmNetworkManager != null) {
OneoffTask task = new OneoffTask.Builder()
.setService(CastGcmTaskService.class)
.setTag(CAST_SERVICE_TAG)
.setExecutionWindow(time - 1, time)
.setRequiredNetwork(Task.NETWORK_STATE_UNMETERED)
.build();
mGcmNetworkManager.schedule(task);
}
}
}
private void cancelSlideShowAlarm() {
// Cancel both path (AlarmManger and Gcm)
Intent i = new Intent(this, CastService.class);
i.setAction(ACTION_MEDIA_COMMAND);
i.putExtra(EXTRA_COMMAND, COMMAND_NEXT);
PendingIntent pi = PendingIntent.getService(
this, 1000, i, PendingIntent.FLAG_CANCEL_CURRENT);
AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
am.cancel(pi);
if (mGcmNetworkManager != null) {
mGcmNetworkManager.cancelAllTasks(CastGcmTaskService.class);
}
}
private void stopSelfAndServer() {
stopServer();
stopSelf();
}
private String chooseNextPicture() {
if (Cast.isSlideshowShuffle(this)) {
int size = mShuffleQueue.size();
int next = size == 1 ? 0 : Math.round(mRandom.nextFloat() * (size - 1));
return mShuffleQueue.remove(next);
}
return mQueue.get(mQueuePointer);
}
private void startServer(ChromeCast device) throws IOException {
CastServer castServer = new CastServer(this, device, this);
castServer.start(NanoHTTPD.SOCKET_READ_TIMEOUT, false);
mServer = castServer;
}
private void checkAndRestoreServerStatusIfNeeded() {
if (mServer == null) {
try {
startServer(Cast.getLastConnectedDevice(this));
} catch (IOException ex) {
// Ignore
}
}
}
private void sendLoadingStatus() {
Intent i = new Intent(ACTION_LOADING_MEDIA);
LocalBroadcastManager.getInstance(this).sendBroadcast(i);
}
}