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RL Pebble <3
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@@ -0,0 +1,44 @@
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#!/usr/bin/env bash
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# Builds PebbleBridge*.smali into patches/extension/radiant
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# Stubs only satisfy javac
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set -euo pipefail
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here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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repo="$(cd "$here/../.." && pwd)"
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ANDROID_SDK="${ANDROID_SDK:-${ANDROID_HOME:-$HOME/Android/Sdk}}"
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ANDROID_JAR="${ANDROID_JAR:-$(ls -d "$ANDROID_SDK"/platforms/android-3*/android.jar | sort -V | tail -1)}"
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D8="${D8:-$(ls -d "$ANDROID_SDK"/build-tools/*/d8 | sort -V | tail -1)}"
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# baksmali and its deps
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SMALI_CP="${SMALI_CP:-$(ls "$HOME"/.cache/rlpb/tools/*.jar | tr '\n' :)}"
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javac="${JAVA_HOME:+$JAVA_HOME/bin/}javac"
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java="${JAVA_HOME:+$JAVA_HOME/bin/}java"
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out="$here/build"
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rm -rf "$out"
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mkdir -p "$out/stubs" "$out/classes" "$out/dex" "$out/smali"
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echo "==> javac stubs"
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find "$here/stubs" -name '*.java' > "$out/stubs.list"
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"$javac" -nowarn -g:none --release 8 -cp "$ANDROID_JAR" -d "$out/stubs" @"$out/stubs.list" 2>&1 |
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grep -v 'bootstrap class path\|source value 8\|target value 8\|deprecat\|^[0-9] warning' || true
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echo "==> javac sources"
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find "$here/src" -name '*.java' > "$out/src.list"
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"$javac" -nowarn -g:none --release 8 -cp "$ANDROID_JAR:$out/stubs" -d "$out/classes" @"$out/src.list" 2>&1 |
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grep -v 'bootstrap class path\|source value 8\|target value 8\|deprecat\|^[0-9] warning' || true
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echo "==> d8"
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find "$out/classes" -name '*.class' > "$out/class.list"
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bash "$D8" --min-api 24 --no-desugaring --lib "$ANDROID_JAR" --classpath "$out/stubs" \
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--output "$out/dex" @"$out/class.list"
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echo "==> baksmali"
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"$java" -cp "$SMALI_CP" com.android.tools.smali.baksmali.Main d "$out/dex/classes.dex" -o "$out/smali"
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echo "==> copy"
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dest="$repo/patches/extension/radiant"
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rm -f "$dest"/PebbleBridge*.smali
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cp "$out"/smali/radiant/PebbleBridge*.smali "$dest/"
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echo "==> wrote $dest"
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@@ -0,0 +1,299 @@
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package radiant;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.ServiceConnection;
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import android.media.MediaMetadata;
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import android.media.session.MediaController;
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import android.media.session.MediaSession;
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import android.media.session.PlaybackState;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.Looper;
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import android.os.Message;
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import android.os.Messenger;
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import android.os.SystemClock;
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import android.support.v4.media.session.MediaSessionCompat;
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import android.util.Log;
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// Sends TIDAL playback and lyrics to the Manager relay
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public final class PebbleBridge implements ServiceConnection {
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private static final String TAG = "RLPebble";
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private static final String MANAGER_PACKAGE = "com.meowarex.rlmobile";
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private static final String RELAY_SERVICE = "com.meowarex.rlmobile.pebble.PebbleRelayService";
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// Keep in sync with PebbleRelayService
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private static final int MSG_SESSION = 1;
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private static final int MSG_POSITION = 2;
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private static final int MSG_LYRICS = 3;
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// Resend when drift exceeds this
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private static final long TOLERANCE_MS = 15L;
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private static final long KEEPALIVE_MS = 5000L;
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private static final Handler MAIN = new Handler(Looper.getMainLooper());
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private static final Object LOCK = new Object();
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private static PebbleBridge instance;
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// Written by the player thread
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private static long rawPosition = -1L;
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private static long rawAt;
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// Written by the lyrics worker
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private static String lyricsKey;
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private static String lyricsTitle;
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private static String lyricsBody;
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private static boolean lyricsFailed;
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private final Context context;
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private MediaSession.Token token;
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private MediaController controller;
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private Messenger relay;
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private boolean bound;
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private long retryBindAt;
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private boolean playing;
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private String mediaId;
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private long sentPosition = -1L;
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private long sentAt;
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private boolean sentPlaying;
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private long lastSendAt;
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private PebbleBridge(Context context) {
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this.context = context;
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}
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public static void onState(Context service, MediaSessionCompat session) {
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try {
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if (instance == null) {
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Context app = service.getApplicationContext();
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instance = new PebbleBridge(app != null ? app : service);
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}
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instance.update(session);
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} catch (Throwable t) {
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Log.w(TAG, "onState failed", t);
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}
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}
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public static void onDestroy() {
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try {
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if (instance != null) {
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instance.release();
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instance = null;
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}
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} catch (Throwable t) {
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Log.w(TAG, "onDestroy failed", t);
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}
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}
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// Player thread, after getCurrentPosition
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public static void onPosition(long position) {
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final long at = SystemClock.elapsedRealtime();
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synchronized (LOCK) {
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rawPosition = position;
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rawAt = at;
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}
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if (instance == null) return;
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if (Looper.myLooper() == Looper.getMainLooper()) {
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onSample(position, at);
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} else {
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MAIN.post(new Runnable() {
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@Override
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public void run() {
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onSample(position, at);
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}
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});
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}
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}
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// Lyrics worker thread, null body means failed
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public static void onLyrics(String key, String title, String body) {
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synchronized (LOCK) {
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if (body == null && key != null && key.equals(lyricsKey) && lyricsBody != null) {
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// Keep a body that had no lines
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return;
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}
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lyricsKey = key;
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lyricsTitle = title;
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lyricsBody = body;
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lyricsFailed = body == null;
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}
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MAIN.post(new Runnable() {
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@Override
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public void run() {
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if (instance != null) instance.sendLyrics();
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}
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});
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}
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private static void onSample(long position, long at) {
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PebbleBridge bridge = instance;
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if (bridge != null) bridge.consider(position, at, false);
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}
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private void update(MediaSessionCompat session) {
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if (session == null) return;
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MediaSessionCompat.Token compat = session.getSessionToken();
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Object raw = compat != null ? compat.getToken() : null;
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if (!(raw instanceof MediaSession.Token)) return;
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if (!raw.equals(token)) {
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token = (MediaSession.Token) raw;
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controller = new MediaController(context, token);
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sendSession();
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}
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if (!bound && SystemClock.elapsedRealtime() >= retryBindAt) {
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Intent intent = new Intent().setComponent(new ComponentName(MANAGER_PACKAGE, RELAY_SERVICE));
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try {
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bound = context.bindService(intent, this, Context.BIND_AUTO_CREATE);
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} catch (Throwable t) {
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bound = false;
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}
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if (!bound) {
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// Manager missing, retry in a minute
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retryBindAt = SystemClock.elapsedRealtime() + 60000L;
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try {
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context.unbindService(this);
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} catch (Throwable ignored) {
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}
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Log.i(TAG, "RL Manager relay not available");
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}
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}
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boolean wasPlaying = playing;
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playing = readPlaying();
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MediaMetadata metadata = controller != null ? controller.getMetadata() : null;
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String id = metadata != null ? metadata.getString(MediaMetadata.METADATA_KEY_MEDIA_ID) : null;
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boolean trackChanged = id != null && !id.equals(mediaId);
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mediaId = id;
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if (trackChanged) {
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// Next poll sends the new track
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sentPosition = -1L;
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} else if (wasPlaying != playing) {
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// Don't wait for the next poll
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sendLatest(wasPlaying);
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}
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}
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// Extrapolates the last reading to now
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private void sendLatest(boolean advance) {
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long position;
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long at;
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synchronized (LOCK) {
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position = rawPosition;
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at = rawAt;
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}
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if (position < 0) return;
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long now = SystemClock.elapsedRealtime();
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consider(advance ? position + (now - at) : position, now, true);
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}
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private boolean readPlaying() {
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PlaybackState state = controller != null ? controller.getPlaybackState() : null;
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return state != null && state.getState() == PlaybackState.STATE_PLAYING;
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}
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private void consider(long position, long at, boolean force) {
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long predicted = sentPlaying ? sentPosition + (at - sentAt) : sentPosition;
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boolean drifted = sentPosition < 0 || Math.abs(position - predicted) > TOLERANCE_MS;
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if (!force && !drifted && sentPlaying == playing && at - lastSendAt < KEEPALIVE_MS) return;
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if (sendPosition(position, at)) {
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sentPosition = position;
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sentAt = at;
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sentPlaying = playing;
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lastSendAt = at;
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}
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}
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private void release() {
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if (bound) {
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try {
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context.unbindService(this);
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} catch (Throwable ignored) {
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}
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}
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bound = false;
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relay = null;
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}
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private void sendSession() {
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if (relay == null || token == null) return;
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Bundle data = new Bundle();
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data.putParcelable("token", token);
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data.putString("package", context.getPackageName());
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send(MSG_SESSION, data);
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}
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private boolean sendPosition(long position, long at) {
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if (relay == null) return false;
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Bundle data = new Bundle();
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data.putLong("position", position);
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data.putLong("elapsedRealtime", at);
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data.putBoolean("playing", playing);
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if (mediaId != null) data.putString("mediaId", mediaId);
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return send(MSG_POSITION, data);
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}
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private void sendLyrics() {
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if (relay == null) return;
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Bundle data = new Bundle();
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synchronized (LOCK) {
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if (lyricsKey == null) return;
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data.putString("key", lyricsKey);
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data.putString("title", lyricsTitle);
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if (lyricsBody != null) data.putString("body", lyricsBody);
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data.putBoolean("failed", lyricsFailed);
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}
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send(MSG_LYRICS, data);
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}
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private boolean send(int what, Bundle data) {
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Messenger target = relay;
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if (target == null) return false;
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try {
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Message message = Message.obtain(null, what);
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message.setData(data);
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target.send(message);
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return true;
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} catch (Throwable t) {
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relay = null;
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return false;
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}
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}
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@Override
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public void onServiceConnected(ComponentName name, IBinder service) {
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relay = new Messenger(service);
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sendSession();
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sentPosition = -1L;
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sendLatest(playing);
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sendLyrics();
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}
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@Override
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public void onServiceDisconnected(ComponentName name) {
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relay = null;
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}
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@Override
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public void onBindingDied(ComponentName name) {
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relay = null;
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if (bound) {
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try {
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context.unbindService(this);
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} catch (Throwable ignored) {
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}
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bound = false;
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}
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}
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@Override
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public void onNullBinding(ComponentName name) {
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onBindingDied(name);
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}
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}
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+9
@@ -0,0 +1,9 @@
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package android.support.v4.media.session;
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public class MediaSessionCompat {
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public Token getSessionToken() { return null; }
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public static final class Token {
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public Object getToken() { return null; }
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}
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}
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