Merge "vibrator: Support Always-On Effects" am: 65303aa385 am: 5d97061d0b (197079ff) · Commits · e / os / android_frameworks_base

core/java/android/os/IVibratorService.aidl

+1 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ interface IVibratorService
		{
		boolean hasVibrator();
		boolean hasAmplitudeControl();
		boolean setAlwaysOnEffect(int id, in VibrationEffect effect, in AudioAttributes attributes);
		void vibrate(int uid, String opPkg, in VibrationEffect effect, in AudioAttributes attributes,
		String reason, IBinder token);
		void cancelVibrate(IBinder token);

core/java/android/os/SystemVibrator.java

+14 −0

Original line number	Diff line number	Diff line
		@@ -69,6 +69,20 @@ public class SystemVibrator extends Vibrator {
		return false;
		}

		@Override
		public boolean setAlwaysOnEffect(int id, VibrationEffect effect, AudioAttributes attributes) {
		if (mService == null) {
		Log.w(TAG, "Failed to set always-on effect; no vibrator service.");
		return false;
		}
		try {
		return mService.setAlwaysOnEffect(id, effect, attributes);
		} catch (RemoteException e) {
		Log.w(TAG, "Failed to set always-on effect.", e);
		}
		return false;
		}

		@Override
		public void vibrate(int uid, String opPkg, VibrationEffect effect,
		String reason, AudioAttributes attributes) {

core/java/android/os/Vibrator.java

+19 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package android.os;

		import android.annotation.IntDef;
		import android.annotation.Nullable;
		import android.annotation.RequiresPermission;
		import android.annotation.SystemService;
		import android.annotation.UnsupportedAppUsage;
		@@ -151,6 +152,24 @@ public abstract class Vibrator {
		*/
		public abstract boolean hasAmplitudeControl();

		/**
		* Configure an always-on haptics effect.
		*
		* @param id The board-specific always-on ID to configure.
		* @param effect Vibration effect to assign to always-on id. Passing null will disable it.
		* @param attributes {@link AudioAttributes} corresponding to the vibration. For example,
		* specify {@link AudioAttributes#USAGE_ALARM} for alarm vibrations or
		* {@link AudioAttributes#USAGE_NOTIFICATION_RINGTONE} for
		* vibrations associated with incoming calls. May only be null when effect is null.
		* @hide
		*/
		@RequiresPermission(android.Manifest.permission.VIBRATE_ALWAYS_ON)
		public boolean setAlwaysOnEffect(int id, @Nullable VibrationEffect effect,
		@Nullable AudioAttributes attributes) {
		Log.w(TAG, "Always-on effects aren't supported");
		return false;
		}

		/**
		* Vibrate constantly for the specified period of time.
		*

core/res/AndroidManifest.xml

+7 −0

Original line number	Diff line number	Diff line
		@@ -1868,6 +1868,13 @@
		android:description="@string/permdesc_vibrate"
		android:protectionLevel="normal\|instant" />

		<!-- Allows access to the vibrator always-on settings.
		<p>Protection level: signature
		@hide
		-->
		<permission android:name="android.permission.VIBRATE_ALWAYS_ON"
		android:protectionLevel="signature" />

		<!-- Allows using PowerManager WakeLocks to keep processor from sleeping or screen
		from dimming.
		<p>Protection level: normal

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

+63 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,7 @@ import android.provider.DeviceConfig;
		import android.provider.Settings;
		import android.provider.Settings.SettingNotFoundException;
		import android.util.DebugUtils;
		import android.util.Pair;
		import android.util.Slog;
		import android.util.SparseArray;
		import android.util.StatsLog;
		@@ -161,6 +162,8 @@ public class VibratorService extends IVibratorService.Stub
		private int mHapticFeedbackIntensity;
		private int mNotificationIntensity;
		private int mRingIntensity;
		private SparseArray<Pair<VibrationEffect, AudioAttributes>> mAlwaysOnEffects =
		new SparseArray<>();

		static native boolean vibratorExists();
		static native void vibratorInit();
		@@ -172,6 +175,8 @@ public class VibratorService extends IVibratorService.Stub
		static native boolean vibratorSupportsExternalControl();
		static native void vibratorSetExternalControl(boolean enabled);
		static native long vibratorGetCapabilities();
		static native void vibratorAlwaysOnEnable(long id, long effect, long strength);
		static native void vibratorAlwaysOnDisable(long id);

		private final IUidObserver mUidObserver = new IUidObserver.Stub() {
		@Override public void onUidStateChanged(int uid, int procState, long procStateSeq) {
		@@ -518,6 +523,41 @@ public class VibratorService extends IVibratorService.Stub
		}
		}

		@Override // Binder call
		public boolean setAlwaysOnEffect(int id, VibrationEffect effect, AudioAttributes attrs) {
		if (!hasPermission(android.Manifest.permission.VIBRATE_ALWAYS_ON)) {
		throw new SecurityException("Requires VIBRATE_ALWAYS_ON permission");
		}
		if ((mCapabilities & IVibrator.CAP_ALWAYS_ON_CONTROL) == 0) {
		Slog.e(TAG, "Always-on effects not supported.");
		return false;
		}
		if (effect == null) {
		synchronized (mLock) {
		mAlwaysOnEffects.delete(id);
		vibratorAlwaysOnDisable(id);
		}
		} else {
		if (!verifyVibrationEffect(effect)) {
		return false;
		}
		if (!(effect instanceof VibrationEffect.Prebaked)) {
		Slog.e(TAG, "Only prebaked effects supported for always-on.");
		return false;
		}
		if (attrs == null) {
		attrs = new AudioAttributes.Builder()
		.setUsage(AudioAttributes.USAGE_UNKNOWN)
		.build();
		}
		synchronized (mLock) {
		mAlwaysOnEffects.put(id, Pair.create(effect, attrs));
		updateAlwaysOnLocked(id, effect, attrs);
		}
		}
		return true;
		}

		private void verifyIncomingUid(int uid) {
		if (uid == Binder.getCallingUid()) {
		return;
		@@ -988,6 +1028,8 @@ public class VibratorService extends IVibratorService.Stub
		// If the state changes out from under us then just reset.
		doCancelVibrateLocked();
		}

		updateAlwaysOnLocked();
		}
		}

		@@ -1054,6 +1096,27 @@ public class VibratorService extends IVibratorService.Stub
		mVibrator.getDefaultRingVibrationIntensity(), UserHandle.USER_CURRENT);
		}

		private void updateAlwaysOnLocked(int id, VibrationEffect effect, AudioAttributes attrs) {
		// TODO: Check DND and LowPower settings
		final Vibration vib = new Vibration(null, effect, attrs, 0, null, null);
		final int intensity = getCurrentIntensityLocked(vib);
		if (intensity == Vibrator.VIBRATION_INTENSITY_OFF) {
		vibratorAlwaysOnDisable(id);
		} else {
		final VibrationEffect.Prebaked prebaked = (VibrationEffect.Prebaked) effect;
		final int strength = intensityToEffectStrength(intensity);
		vibratorAlwaysOnEnable(id, prebaked.getId(), strength);
		}
		}

		private void updateAlwaysOnLocked() {
		for (int i = 0; i < mAlwaysOnEffects.size(); i++) {
		int id = mAlwaysOnEffects.keyAt(i);
		Pair<VibrationEffect, AudioAttributes> pair = mAlwaysOnEffects.valueAt(i);
		updateAlwaysOnLocked(id, pair.first, pair.second);
		}
		}

		@Override
		public void onInputDeviceAdded(int deviceId) {
		updateVibrators();