Changing Vibration class name to HalVibration. (36e98f2c) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/vibrator/HalVibration.java

0 → 100644

+219 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* 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.android.server.vibrator;

		import android.annotation.Nullable;
		import android.os.CombinedVibration;
		import android.os.IBinder;
		import android.os.VibrationAttributes;
		import android.os.VibrationEffect;
		import android.util.SparseArray;

		import com.android.internal.util.FrameworkStatsLog;

		import java.util.List;
		import java.util.concurrent.CountDownLatch;
		import java.util.function.Function;

		/**
		* Represents a vibration defined by a {@link CombinedVibration} that will be performed by
		* the IVibrator HAL.
		*/
		final class HalVibration extends Vibration {

		public final VibrationAttributes attrs;
		public final long id;
		public final int uid;
		public final int displayId;
		public final String opPkg;
		public final String reason;
		public final IBinder token;
		public final SparseArray<VibrationEffect> mFallbacks = new SparseArray<>();

		/** The actual effect to be played. */
		@Nullable
		private CombinedVibration mEffect;

		/**
		* The original effect that was requested. Typically these two things differ because the effect
		* was scaled based on the users vibration intensity settings.
		*/
		@Nullable
		private CombinedVibration mOriginalEffect;

		/** Vibration status. */
		private Vibration.Status mStatus;

		/** Vibration runtime stats. */
		private final VibrationStats mStats = new VibrationStats();

		/** A {@link CountDownLatch} to enable waiting for completion. */
		private final CountDownLatch mCompletionLatch = new CountDownLatch(1);

		HalVibration(IBinder token, int id, CombinedVibration effect,
		VibrationAttributes attrs, int uid, int displayId, String opPkg, String reason) {
		this.token = token;
		this.mEffect = effect;
		this.id = id;
		this.attrs = attrs;
		this.uid = uid;
		this.displayId = displayId;
		this.opPkg = opPkg;
		this.reason = reason;
		mStatus = Vibration.Status.RUNNING;
		}

		VibrationStats stats() {
		return mStats;
		}

		/**
		* Set the {@link Status} of this vibration and reports the current system time as this
		* vibration end time, for debugging purposes.
		*
		* <p>This method will only accept given value if the current status is {@link
		* Status#RUNNING}.
		*/
		public void end(EndInfo info) {
		if (hasEnded()) {
		// Vibration already ended, keep first ending status set and ignore this one.
		return;
		}
		mStatus = info.status;
		mStats.reportEnded(info.endedByUid, info.endedByUsage);
		mCompletionLatch.countDown();
		}

		/** Waits indefinitely until another thread calls {@link #end} on this vibration. */
		public void waitForEnd() throws InterruptedException {
		mCompletionLatch.await();
		}

		/**
		* Return the effect to be played when given prebaked effect id is not supported by the
		* vibrator.
		*/
		@Nullable
		public VibrationEffect getFallback(int effectId) {
		return mFallbacks.get(effectId);
		}

		/**
		* Add a fallback {@link VibrationEffect} to be played when given effect id is not supported,
		* which might be necessary for replacement in realtime.
		*/
		public void addFallback(int effectId, VibrationEffect effect) {
		mFallbacks.put(effectId, effect);
		}

		/**
		* Applied update function to the current effect held by this vibration, and to each fallback
		* effect added.
		*/
		public void updateEffects(Function<VibrationEffect, VibrationEffect> updateFn) {
		CombinedVibration newEffect = transformCombinedEffect(mEffect, updateFn);
		if (!newEffect.equals(mEffect)) {
		if (mOriginalEffect == null) {
		mOriginalEffect = mEffect;
		}
		mEffect = newEffect;
		}
		for (int i = 0; i < mFallbacks.size(); i++) {
		mFallbacks.setValueAt(i, updateFn.apply(mFallbacks.valueAt(i)));
		}
		}

		/**
		* Creates a new {@link CombinedVibration} by applying the given transformation function
		* to each {@link VibrationEffect}.
		*/
		private static CombinedVibration transformCombinedEffect(
		CombinedVibration combinedEffect, Function<VibrationEffect, VibrationEffect> fn) {
		if (combinedEffect instanceof CombinedVibration.Mono) {
		VibrationEffect effect = ((CombinedVibration.Mono) combinedEffect).getEffect();
		return CombinedVibration.createParallel(fn.apply(effect));
		} else if (combinedEffect instanceof CombinedVibration.Stereo) {
		SparseArray<VibrationEffect> effects =
		((CombinedVibration.Stereo) combinedEffect).getEffects();
		CombinedVibration.ParallelCombination combination =
		CombinedVibration.startParallel();
		for (int i = 0; i < effects.size(); i++) {
		combination.addVibrator(effects.keyAt(i), fn.apply(effects.valueAt(i)));
		}
		return combination.combine();
		} else if (combinedEffect instanceof CombinedVibration.Sequential) {
		List<CombinedVibration> effects =
		((CombinedVibration.Sequential) combinedEffect).getEffects();
		CombinedVibration.SequentialCombination combination =
		CombinedVibration.startSequential();
		for (CombinedVibration effect : effects) {
		combination.addNext(transformCombinedEffect(effect, fn));
		}
		return combination.combine();
		} else {
		// Unknown combination, return same effect.
		return combinedEffect;
		}
		}

		/** Return true is current status is different from {@link Status#RUNNING}. */
		public boolean hasEnded() {
		return mStatus != Status.RUNNING;
		}

		/** Return true is effect is a repeating vibration. */
		public boolean isRepeating() {
		return mEffect.getDuration() == Long.MAX_VALUE;
		}

		/** Return the effect that should be played by this vibration. */
		@Nullable
		public CombinedVibration getEffect() {
		return mEffect;
		}

		/**
		* Return {@link Vibration.DebugInfo} with read-only debug information about this vibration.
		*/
		public Vibration.DebugInfo getDebugInfo() {
		return new Vibration.DebugInfo(mStatus, mStats, mEffect, mOriginalEffect, /* scale= */ 0,
		attrs, uid, displayId, opPkg, reason);
		}

		/** Return {@link VibrationStats.StatsInfo} with read-only metrics about this vibration. */
		public VibrationStats.StatsInfo getStatsInfo(long completionUptimeMillis) {
		int vibrationType = isRepeating()
		? FrameworkStatsLog.VIBRATION_REPORTED__VIBRATION_TYPE__REPEATED
		: FrameworkStatsLog.VIBRATION_REPORTED__VIBRATION_TYPE__SINGLE;
		return new VibrationStats.StatsInfo(
		uid, vibrationType, attrs.getUsage(), mStatus, mStats, completionUptimeMillis);
		}

		/**
		* Returns true if this vibration can pipeline with the specified one.
		*
		* <p>Note that currently, repeating vibrations can't pipeline with following vibrations,
		* because the cancel() call to stop the repetition will cancel a pending vibration too. This
		* can be changed if we have a use-case to reason around behavior for. It may also be nice to
		* pipeline very short vibrations together, regardless of the flag.
		*/
		public boolean canPipelineWith(HalVibration vib) {
		return uid == vib.uid && attrs.isFlagSet(VibrationAttributes.FLAG_PIPELINED_EFFECT)
		&& vib.attrs.isFlagSet(VibrationAttributes.FLAG_PIPELINED_EFFECT)
		&& !isRepeating();
		}
		}

services/core/java/com/android/server/vibrator/Step.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -38,7 +38,7 @@ abstract class Step implements Comparable<Step> {
		this.startTime = startTime;
		}

		protected Vibration getVibration() {
		protected HalVibration getVibration() {
		return conductor.getVibration();
		}

services/core/java/com/android/server/vibrator/Vibration.java

+4 −190

Original line number	Diff line number	Diff line
		@@ -19,7 +19,6 @@ package com.android.server.vibrator;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.os.CombinedVibration;
		import android.os.IBinder;
		import android.os.VibrationAttributes;
		import android.os.VibrationEffect;
		import android.os.vibrator.PrebakedSegment;
		@@ -27,20 +26,16 @@ import android.os.vibrator.PrimitiveSegment;
		import android.os.vibrator.RampSegment;
		import android.os.vibrator.StepSegment;
		import android.os.vibrator.VibrationEffectSegment;
		import android.util.SparseArray;
		import android.util.proto.ProtoOutputStream;

		import com.android.internal.util.FrameworkStatsLog;

		import java.text.SimpleDateFormat;
		import java.util.Date;
		import java.util.List;
		import java.util.Objects;
		import java.util.concurrent.CountDownLatch;
		import java.util.function.Function;

		/** Represents a vibration request to the vibrator service. */
		final class Vibration {
		/**
		* The base class for all vibrations.
		*/
		class Vibration {
		private static final SimpleDateFormat DEBUG_DATE_FORMAT =
		new SimpleDateFormat("MM-dd HH:mm:ss.SSS");

		@@ -85,186 +80,6 @@ final class Vibration {
		}
		}

		public final VibrationAttributes attrs;
		public final long id;
		public final int uid;
		public final int displayId;
		public final String opPkg;
		public final String reason;
		public final IBinder token;
		public final SparseArray<VibrationEffect> mFallbacks = new SparseArray<>();

		/** The actual effect to be played. */
		@Nullable
		private CombinedVibration mEffect;

		/**
		* The original effect that was requested. Typically these two things differ because the effect
		* was scaled based on the users vibration intensity settings.
		*/
		@Nullable
		private CombinedVibration mOriginalEffect;

		/** Vibration status. */
		private Vibration.Status mStatus;

		/** Vibration runtime stats. */
		private final VibrationStats mStats = new VibrationStats();

		/** A {@link CountDownLatch} to enable waiting for completion. */
		private final CountDownLatch mCompletionLatch = new CountDownLatch(1);

		Vibration(IBinder token, int id, CombinedVibration effect,
		VibrationAttributes attrs, int uid, int displayId, String opPkg, String reason) {
		this.token = token;
		this.mEffect = effect;
		this.id = id;
		this.attrs = attrs;
		this.uid = uid;
		this.displayId = displayId;
		this.opPkg = opPkg;
		this.reason = reason;
		mStatus = Vibration.Status.RUNNING;
		}

		VibrationStats stats() {
		return mStats;
		}

		/**
		* Set the {@link Status} of this vibration and reports the current system time as this
		* vibration end time, for debugging purposes.
		*
		* <p>This method will only accept given value if the current status is {@link
		* Status#RUNNING}.
		*/
		public void end(EndInfo info) {
		if (hasEnded()) {
		// Vibration already ended, keep first ending status set and ignore this one.
		return;
		}
		mStatus = info.status;
		mStats.reportEnded(info.endedByUid, info.endedByUsage);
		mCompletionLatch.countDown();
		}

		/** Waits indefinitely until another thread calls {@link #end} on this vibration. */
		public void waitForEnd() throws InterruptedException {
		mCompletionLatch.await();
		}

		/**
		* Return the effect to be played when given prebaked effect id is not supported by the
		* vibrator.
		*/
		@Nullable
		public VibrationEffect getFallback(int effectId) {
		return mFallbacks.get(effectId);
		}

		/**
		* Add a fallback {@link VibrationEffect} to be played when given effect id is not supported,
		* which might be necessary for replacement in realtime.
		*/
		public void addFallback(int effectId, VibrationEffect effect) {
		mFallbacks.put(effectId, effect);
		}

		/**
		* Applied update function to the current effect held by this vibration, and to each fallback
		* effect added.
		*/
		public void updateEffects(Function<VibrationEffect, VibrationEffect> updateFn) {
		CombinedVibration newEffect = transformCombinedEffect(mEffect, updateFn);
		if (!newEffect.equals(mEffect)) {
		if (mOriginalEffect == null) {
		mOriginalEffect = mEffect;
		}
		mEffect = newEffect;
		}
		for (int i = 0; i < mFallbacks.size(); i++) {
		mFallbacks.setValueAt(i, updateFn.apply(mFallbacks.valueAt(i)));
		}
		}

		/**
		* Creates a new {@link CombinedVibration} by applying the given transformation function
		* to each {@link VibrationEffect}.
		*/
		private static CombinedVibration transformCombinedEffect(
		CombinedVibration combinedEffect, Function<VibrationEffect, VibrationEffect> fn) {
		if (combinedEffect instanceof CombinedVibration.Mono) {
		VibrationEffect effect = ((CombinedVibration.Mono) combinedEffect).getEffect();
		return CombinedVibration.createParallel(fn.apply(effect));
		} else if (combinedEffect instanceof CombinedVibration.Stereo) {
		SparseArray<VibrationEffect> effects =
		((CombinedVibration.Stereo) combinedEffect).getEffects();
		CombinedVibration.ParallelCombination combination =
		CombinedVibration.startParallel();
		for (int i = 0; i < effects.size(); i++) {
		combination.addVibrator(effects.keyAt(i), fn.apply(effects.valueAt(i)));
		}
		return combination.combine();
		} else if (combinedEffect instanceof CombinedVibration.Sequential) {
		List<CombinedVibration> effects =
		((CombinedVibration.Sequential) combinedEffect).getEffects();
		CombinedVibration.SequentialCombination combination =
		CombinedVibration.startSequential();
		for (CombinedVibration effect : effects) {
		combination.addNext(transformCombinedEffect(effect, fn));
		}
		return combination.combine();
		} else {
		// Unknown combination, return same effect.
		return combinedEffect;
		}
		}

		/** Return true is current status is different from {@link Status#RUNNING}. */
		public boolean hasEnded() {
		return mStatus != Status.RUNNING;
		}

		/** Return true is effect is a repeating vibration. */
		public boolean isRepeating() {
		return mEffect.getDuration() == Long.MAX_VALUE;
		}

		/** Return the effect that should be played by this vibration. */
		@Nullable
		public CombinedVibration getEffect() {
		return mEffect;
		}

		/** Return {@link Vibration.DebugInfo} with read-only debug information about this vibration. */
		public Vibration.DebugInfo getDebugInfo() {
		return new Vibration.DebugInfo(mStatus, mStats, mEffect, mOriginalEffect, /* scale= */ 0,
		attrs, uid, displayId, opPkg, reason);
		}

		/** Return {@link VibrationStats.StatsInfo} with read-only metrics about this vibration. */
		public VibrationStats.StatsInfo getStatsInfo(long completionUptimeMillis) {
		int vibrationType = isRepeating()
		? FrameworkStatsLog.VIBRATION_REPORTED__VIBRATION_TYPE__REPEATED
		: FrameworkStatsLog.VIBRATION_REPORTED__VIBRATION_TYPE__SINGLE;
		return new VibrationStats.StatsInfo(
		uid, vibrationType, attrs.getUsage(), mStatus, mStats, completionUptimeMillis);
		}

		/**
		* Returns true if this vibration can pipeline with the specified one.
		*
		* <p>Note that currently, repeating vibrations can't pipeline with following vibrations,
		* because the cancel() call to stop the repetition will cancel a pending vibration too. This
		* can be changed if we have a use-case to reason around behavior for. It may also be nice to
		* pipeline very short vibrations together, regardless of the flag.
		*/
		public boolean canPipelineWith(Vibration vib) {
		return uid == vib.uid && attrs.isFlagSet(VibrationAttributes.FLAG_PIPELINED_EFFECT)
		&& vib.attrs.isFlagSet(VibrationAttributes.FLAG_PIPELINED_EFFECT)
		&& !isRepeating();
		}

		/** Immutable info passed as a signal to end a vibration. */
		static final class EndInfo {
		/** The {@link Status} to be set to the vibration when it ends with this info. */
		@@ -505,5 +320,4 @@ final class Vibration {
		proto.end(token);
		}
		}

		}

services/core/java/com/android/server/vibrator/VibrationStepConductor.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -68,7 +68,7 @@ final class VibrationStepConductor implements IBinder.DeathRecipient {
		// Not guarded by lock because they're not modified by this conductor, it's used here only to
		// check immutable attributes. The status and other mutable states are changed by the service or
		// by the vibrator steps.
		private final Vibration mVibration;
		private final HalVibration mVibration;
		private final SparseArray<VibratorController> mVibrators = new SparseArray<>();

		private final PriorityQueue<Step> mNextSteps = new PriorityQueue<>();
		@@ -95,7 +95,7 @@ final class VibrationStepConductor implements IBinder.DeathRecipient {
		private int mRemainingStartSequentialEffectSteps;
		private int mSuccessfulVibratorOnSteps;

		VibrationStepConductor(Vibration vib, VibrationSettings vibrationSettings,
		VibrationStepConductor(HalVibration vib, VibrationSettings vibrationSettings,
		DeviceVibrationEffectAdapter effectAdapter,
		SparseArray<VibratorController> availableVibrators,
		VibrationThread.VibratorManagerHooks vibratorManagerHooks) {
		@@ -160,7 +160,7 @@ final class VibrationStepConductor implements IBinder.DeathRecipient {
		mVibration.stats().reportStarted();
		}

		public Vibration getVibration() {
		public HalVibration getVibration() {
		// No thread assertion: immutable
		return mVibration;
		}

services/core/java/com/android/server/vibrator/VibrationThread.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -33,12 +33,12 @@ import com.android.internal.annotations.VisibleForTesting;
		import java.util.NoSuchElementException;
		import java.util.Objects;

		/** Plays a {@link Vibration} in dedicated thread. */
		/** Plays a {@link HalVibration} in dedicated thread. */
		final class VibrationThread extends Thread {
		static final String TAG = "VibrationThread";
		static final boolean DEBUG = false;

		/** Calls into VibratorManager functionality needed for playing a {@link Vibration}. */
		/** Calls into VibratorManager functionality needed for playing a {@link HalVibration}. */
		interface VibratorManagerHooks {

		/**