Merge "Update notification PWLE patterns for default and fallback" into sc-v2-dev (be9b8400) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/notification/VibratorHelper.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,9 @@ public final class VibratorHelper {

		private static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250};
		private static final int VIBRATE_PATTERN_MAXLEN = 8 * 2 + 1; // up to eight bumps
		private static final int CHIRP_LEVEL_DURATION_MILLIS = 100;
		private static final int DEFAULT_CHIRP_RAMP_DURATION_MILLIS = 100;
		private static final int FALLBACK_CHIRP_RAMP_DURATION_MILLIS = 50;

		private final Vibrator mVibrator;
		private final long[] mDefaultPattern;
		@@ -102,6 +105,9 @@ public final class VibratorHelper {
		* @param insistent {@code true} if the vibration should loop until it is cancelled.
		*/
		public VibrationEffect createFallbackVibration(boolean insistent) {
		if (mVibrator.hasFrequencyControl()) {
		return createChirpVibration(FALLBACK_CHIRP_RAMP_DURATION_MILLIS, insistent);
		}
		return createWaveformVibration(mFallbackPattern, insistent);
		}

		@@ -111,9 +117,32 @@ public final class VibratorHelper {
		* @param insistent {@code true} if the vibration should loop until it is cancelled.
		*/
		public VibrationEffect createDefaultVibration(boolean insistent) {
		if (mVibrator.hasFrequencyControl()) {
		return createChirpVibration(DEFAULT_CHIRP_RAMP_DURATION_MILLIS, insistent);
		}
		return createWaveformVibration(mDefaultPattern, insistent);
		}

		private static VibrationEffect createChirpVibration(int rampDuration, boolean insistent) {
		VibrationEffect.WaveformBuilder waveformBuilder = VibrationEffect.startWaveform()
		.addStep(/* amplitude= / 0, / frequency= / -0.85f, / duration= */ 0)
		.addRamp(/* amplitude= / 1, / frequency= */ -0.25f, rampDuration)
		.addStep(/* amplitude= / 1, / frequency= */ -0.25f, CHIRP_LEVEL_DURATION_MILLIS)
		.addRamp(/* amplitude= / 0, / frequency= */ -0.85f, rampDuration);

		if (insistent) {
		return waveformBuilder
		.addStep(/* amplitude= */ 0, CHIRP_LEVEL_DURATION_MILLIS)
		.build(/* repeat= */ 0);
		}

		VibrationEffect singleBeat = waveformBuilder.build();
		return VibrationEffect.startComposition()
		.addEffect(singleBeat)
		.addEffect(singleBeat, /* delay= */ CHIRP_LEVEL_DURATION_MILLIS)
		.compose();
		}

		private static long[] getLongArray(Resources resources, int resId, int maxLength, long[] def) {
		int[] ar = resources.getIntArray(resId);
		if (ar == null) {