Add Waveform Support to Vibrator Shell Command (c5526dd6) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/VibratorService.java

+73 −0

Original line number	Diff line number	Diff line
		@@ -1193,6 +1193,8 @@ public class VibratorService extends IVibratorService.Stub
		if (i >= timings.length) {
		if (repeatIndex >= 0) {
		i = repeatIndex;
		// prevent infinite loop
		repeatIndex = -1;
		} else {
		break;
		}
		@@ -1268,8 +1270,13 @@ public class VibratorService extends IVibratorService.Stub
		public int onCommand(String cmd) {
		if ("vibrate".equals(cmd)) {
		return runVibrate();
		} else if ("waveform".equals(cmd)) {
		return runWaveform();
		} else if ("prebaked".equals(cmd)) {
		return runPrebaked();
		} else if ("cancel".equals(cmd)) {
		cancelVibrate(mToken);
		return 0;
		}
		return handleDefaultCommands(cmd);
		}
		@@ -1316,6 +1323,62 @@ public class VibratorService extends IVibratorService.Stub
		}
		}

		private int runWaveform() {
		Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "runWaveform");
		try {
		if (checkDoNotDisturb()) {
		return 0;
		}

		String description = "Shell command";
		int repeat = -1;
		ArrayList<Integer> amplitudesList = null;

		String opt;
		while ((opt = getNextOption()) != null) {
		switch (opt) {
		case "-d":
		description = getNextArgRequired();
		break;
		case "-r":
		repeat = Integer.parseInt(getNextArgRequired());
		break;
		case "-a":
		if (amplitudesList == null) {
		amplitudesList = new ArrayList<Integer>();
		}
		break;
		}
		}

		ArrayList<Long> timingsList = new ArrayList<Long>();

		String arg;
		while ((arg = getNextArg()) != null) {
		if (amplitudesList != null && amplitudesList.size() < timingsList.size()) {
		amplitudesList.add(Integer.parseInt(arg));
		} else {
		timingsList.add(Long.parseLong(arg));
		}
		}

		VibrationEffect effect;
		long[] timings = timingsList.stream().mapToLong(Long::longValue).toArray();
		if (amplitudesList == null) {
		effect = VibrationEffect.createWaveform(timings, repeat);
		} else {
		int[] amplitudes =
		amplitudesList.stream().mapToInt(Integer::intValue).toArray();
		effect = VibrationEffect.createWaveform(timings, amplitudes, repeat);
		}
		vibrate(Binder.getCallingUid(), description, effect, AudioAttributes.USAGE_UNKNOWN,
		"Shell Command", mToken);
		return 0;
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR);
		}
		}

		private int runPrebaked() {
		Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "runPrebaked");
		try {
		@@ -1350,9 +1413,19 @@ public class VibratorService extends IVibratorService.Stub
		pw.println(" vibrate duration [description]");
		pw.println(" Vibrates for duration milliseconds; ignored when device is on DND ");
		pw.println(" (Do Not Disturb) mode.");
		pw.println(" waveform [-d description] [-r index] [-a] duration [amplitude] ...");
		pw.println(" Vibrates for durations and amplitudes in list;");
		pw.println(" ignored when device is on DND (Do Not Disturb) mode.");
		pw.println(" If -r is provided, the waveform loops back to the specified");
		pw.println(" index (e.g. 0 loops from the beginning)");
		pw.println(" If -a is provided, the command accepts duration-amplitude pairs;");
		pw.println(" otherwise, it accepts durations only and alternates off/on");
		pw.println(" Duration is in milliseconds; amplitude is a scale of 1-255.");
		pw.println(" prebaked effect-id [description]");
		pw.println(" Vibrates with prebaked effect; ignored when device is on DND ");
		pw.println(" (Do Not Disturb) mode.");
		pw.println(" cancel");
		pw.println(" Cancels any active vibration");
		pw.println("");
		}
		}