Loading services/core/java/com/android/server/vibrator/AbstractVibratorStep.java 0 → 100644 +148 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.SystemClock; import android.os.VibrationEffect; import android.util.Slog; import java.util.Arrays; import java.util.List; /** * Represent a step on a single vibrator that plays one or more segments from a * {@link VibrationEffect.Composed} effect. */ abstract class AbstractVibratorStep extends Step { public final VibratorController controller; public final VibrationEffect.Composed effect; public final int segmentIndex; public final long previousStepVibratorOffTimeout; long mVibratorOnResult; boolean mVibratorCompleteCallbackReceived; /** * @param conductor The VibrationStepConductor for these steps. * @param startTime The time to schedule this step in the * {@link VibrationStepConductor}. * @param controller The vibrator that is playing the effect. * @param effect The effect being played in this step. * @param index The index of the next segment to be played by this step * @param previousStepVibratorOffTimeout The time the vibrator is expected to complete any * previous vibration and turn off. This is used to allow this step to * be triggered when the completion callback is received, and can * be used to play effects back-to-back. */ AbstractVibratorStep(VibrationStepConductor conductor, long startTime, VibratorController controller, VibrationEffect.Composed effect, int index, long previousStepVibratorOffTimeout) { super(conductor, startTime); this.controller = controller; this.effect = effect; this.segmentIndex = index; this.previousStepVibratorOffTimeout = previousStepVibratorOffTimeout; } public int getVibratorId() { return controller.getVibratorInfo().getId(); } @Override public long getVibratorOnDuration() { return mVibratorOnResult; } @Override public boolean acceptVibratorCompleteCallback(int vibratorId) { boolean isSameVibrator = controller.getVibratorInfo().getId() == vibratorId; mVibratorCompleteCallbackReceived |= isSameVibrator; // Only activate this step if a timeout was set to wait for the vibration to complete, // otherwise we are waiting for the correct time to play the next step. return isSameVibrator && (previousStepVibratorOffTimeout > SystemClock.uptimeMillis()); } @Override public List<Step> cancel() { return Arrays.asList(new CompleteEffectVibratorStep(conductor, SystemClock.uptimeMillis(), /* cancelled= */ true, controller, previousStepVibratorOffTimeout)); } @Override public void cancelImmediately() { if (previousStepVibratorOffTimeout > SystemClock.uptimeMillis()) { // Vibrator might be running from previous steps, so turn it off while canceling. stopVibrating(); } } protected void stopVibrating() { if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Turning off vibrator " + getVibratorId()); } controller.off(); } protected void changeAmplitude(float amplitude) { if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Amplitude changed on vibrator " + getVibratorId() + " to " + amplitude); } controller.setAmplitude(amplitude); } /** * Return the {@link VibrationStepConductor#nextVibrateStep} with same timings, only jumping * the segments. */ protected List<Step> skipToNextSteps(int segmentsSkipped) { return nextSteps(startTime, previousStepVibratorOffTimeout, segmentsSkipped); } /** * Return the {@link VibrationStepConductor#nextVibrateStep} with same start and off timings * calculated from {@link #getVibratorOnDuration()}, jumping all played segments. * * <p>This method has same behavior as {@link #skipToNextSteps(int)} when the vibrator * result is non-positive, meaning the vibrator has either ignored or failed to turn on. */ protected List<Step> nextSteps(int segmentsPlayed) { if (mVibratorOnResult <= 0) { // Vibration was not started, so just skip the played segments and keep timings. return skipToNextSteps(segmentsPlayed); } long nextStartTime = SystemClock.uptimeMillis() + mVibratorOnResult; long nextVibratorOffTimeout = nextStartTime + VibrationStepConductor.CALLBACKS_EXTRA_TIMEOUT; return nextSteps(nextStartTime, nextVibratorOffTimeout, segmentsPlayed); } /** * Return the {@link VibrationStepConductor#nextVibrateStep} with given start and off timings, * which might be calculated independently, jumping all played segments. * * <p>This should be used when the vibrator on/off state is not responsible for the steps * execution timings, e.g. while playing the vibrator amplitudes. */ protected List<Step> nextSteps(long nextStartTime, long vibratorOffTimeout, int segmentsPlayed) { Step nextStep = conductor.nextVibrateStep(nextStartTime, controller, effect, segmentIndex + segmentsPlayed, vibratorOffTimeout); return nextStep == null ? VibrationStepConductor.EMPTY_STEP_LIST : Arrays.asList(nextStep); } } services/core/java/com/android/server/vibrator/CompleteEffectVibratorStep.java 0 → 100644 +114 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.SystemClock; import android.os.Trace; import android.os.VibrationEffect; import android.util.Slog; import java.util.Arrays; import java.util.List; /** * Represents a step to complete a {@link VibrationEffect}. * * <p>This runs right at the time the vibration is considered to end and will update the pending * vibrators count. This can turn off the vibrator or slowly ramp it down to zero amplitude. */ final class CompleteEffectVibratorStep extends AbstractVibratorStep { private final boolean mCancelled; CompleteEffectVibratorStep(VibrationStepConductor conductor, long startTime, boolean cancelled, VibratorController controller, long previousStepVibratorOffTimeout) { super(conductor, startTime, controller, /* effect= */ null, /* index= */ -1, previousStepVibratorOffTimeout); mCancelled = cancelled; } @Override public boolean isCleanUp() { // If the vibration was cancelled then this is just a clean up to ramp off the vibrator. // Otherwise this step is part of the vibration. return mCancelled; } @Override public List<Step> cancel() { if (mCancelled) { // Double cancelling will just turn off the vibrator right away. return Arrays.asList( new TurnOffVibratorStep(conductor, SystemClock.uptimeMillis(), controller)); } return super.cancel(); } @Override public List<Step> play() { Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "CompleteEffectVibratorStep"); try { if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Running " + (mCancelled ? "cancel" : "complete") + " vibration" + " step on vibrator " + controller.getVibratorInfo().getId()); } if (mVibratorCompleteCallbackReceived) { // Vibration completion callback was received by this step, just turn if off // and skip any clean-up. stopVibrating(); return VibrationStepConductor.EMPTY_STEP_LIST; } float currentAmplitude = controller.getCurrentAmplitude(); long remainingOnDuration = previousStepVibratorOffTimeout - VibrationStepConductor.CALLBACKS_EXTRA_TIMEOUT - SystemClock.uptimeMillis(); long rampDownDuration = Math.min(remainingOnDuration, conductor.vibrationSettings.getRampDownDuration()); long stepDownDuration = conductor.vibrationSettings.getRampStepDuration(); if (currentAmplitude < VibrationStepConductor.RAMP_OFF_AMPLITUDE_MIN || rampDownDuration <= stepDownDuration) { // No need to ramp down the amplitude, just wait to turn it off. if (mCancelled) { // Vibration is completing because it was cancelled, turn off right away. stopVibrating(); return VibrationStepConductor.EMPTY_STEP_LIST; } else { return Arrays.asList(new TurnOffVibratorStep( conductor, previousStepVibratorOffTimeout, controller)); } } if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Ramping down vibrator " + controller.getVibratorInfo().getId() + " from amplitude " + currentAmplitude + " for " + rampDownDuration + "ms"); } float amplitudeDelta = currentAmplitude / (rampDownDuration / stepDownDuration); float amplitudeTarget = currentAmplitude - amplitudeDelta; long newVibratorOffTimeout = mCancelled ? rampDownDuration : previousStepVibratorOffTimeout; return Arrays.asList( new RampOffVibratorStep(conductor, startTime, amplitudeTarget, amplitudeDelta, controller, newVibratorOffTimeout)); } finally { Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR); } } } services/core/java/com/android/server/vibrator/ComposePrimitivesVibratorStep.java 0 → 100644 +84 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.Trace; import android.os.VibrationEffect; import android.os.vibrator.PrimitiveSegment; import android.os.vibrator.VibrationEffectSegment; import android.util.Slog; import java.util.ArrayList; import java.util.List; /** * Represents a step to turn the vibrator on using a composition of primitives. * * <p>This step will use the maximum supported number of consecutive segments of type * {@link PrimitiveSegment} starting at the current index. */ final class ComposePrimitivesVibratorStep extends AbstractVibratorStep { ComposePrimitivesVibratorStep(VibrationStepConductor conductor, long startTime, VibratorController controller, VibrationEffect.Composed effect, int index, long previousStepVibratorOffTimeout) { // This step should wait for the last vibration to finish (with the timeout) and for the // intended step start time (to respect the effect delays). super(conductor, Math.max(startTime, previousStepVibratorOffTimeout), controller, effect, index, previousStepVibratorOffTimeout); } @Override public List<Step> play() { Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "ComposePrimitivesStep"); try { // Load the next PrimitiveSegments to create a single compose call to the vibrator, // limited to the vibrator composition maximum size. int limit = controller.getVibratorInfo().getCompositionSizeMax(); int segmentCount = limit > 0 ? Math.min(effect.getSegments().size(), segmentIndex + limit) : effect.getSegments().size(); List<PrimitiveSegment> primitives = new ArrayList<>(); for (int i = segmentIndex; i < segmentCount; i++) { VibrationEffectSegment segment = effect.getSegments().get(i); if (segment instanceof PrimitiveSegment) { primitives.add((PrimitiveSegment) segment); } else { break; } } if (primitives.isEmpty()) { Slog.w(VibrationThread.TAG, "Ignoring wrong segment for a ComposePrimitivesStep: " + effect.getSegments().get(segmentIndex)); return skipToNextSteps(/* segmentsSkipped= */ 1); } if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Compose " + primitives + " primitives on vibrator " + controller.getVibratorInfo().getId()); } mVibratorOnResult = controller.on( primitives.toArray(new PrimitiveSegment[primitives.size()]), getVibration().id); return nextSteps(/* segmentsPlayed= */ primitives.size()); } finally { Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR); } } } services/core/java/com/android/server/vibrator/ComposePwleVibratorStep.java 0 → 100644 +84 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.Trace; import android.os.VibrationEffect; import android.os.vibrator.RampSegment; import android.os.vibrator.StepSegment; import android.os.vibrator.VibrationEffectSegment; import android.util.Slog; import java.util.ArrayList; import java.util.List; /** * Represents a step to turn the vibrator on using a composition of PWLE segments. * * <p>This step will use the maximum supported number of consecutive segments of type * {@link StepSegment} or {@link RampSegment} starting at the current index. */ final class ComposePwleVibratorStep extends AbstractVibratorStep { ComposePwleVibratorStep(VibrationStepConductor conductor, long startTime, VibratorController controller, VibrationEffect.Composed effect, int index, long previousStepVibratorOffTimeout) { // This step should wait for the last vibration to finish (with the timeout) and for the // intended step start time (to respect the effect delays). super(conductor, Math.max(startTime, previousStepVibratorOffTimeout), controller, effect, index, previousStepVibratorOffTimeout); } @Override public List<Step> play() { Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "ComposePwleStep"); try { // Load the next RampSegments to create a single composePwle call to the vibrator, // limited to the vibrator PWLE maximum size. int limit = controller.getVibratorInfo().getPwleSizeMax(); int segmentCount = limit > 0 ? Math.min(effect.getSegments().size(), segmentIndex + limit) : effect.getSegments().size(); List<RampSegment> pwles = new ArrayList<>(); for (int i = segmentIndex; i < segmentCount; i++) { VibrationEffectSegment segment = effect.getSegments().get(i); if (segment instanceof RampSegment) { pwles.add((RampSegment) segment); } else { break; } } if (pwles.isEmpty()) { Slog.w(VibrationThread.TAG, "Ignoring wrong segment for a ComposePwleStep: " + effect.getSegments().get(segmentIndex)); return skipToNextSteps(/* segmentsSkipped= */ 1); } if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Compose " + pwles + " PWLEs on vibrator " + controller.getVibratorInfo().getId()); } mVibratorOnResult = controller.on(pwles.toArray(new RampSegment[pwles.size()]), getVibration().id); return nextSteps(/* segmentsPlayed= */ pwles.size()); } finally { Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR); } } } services/core/java/com/android/server/vibrator/FinishSequentialEffectStep.java 0 → 100644 +73 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.Trace; import android.util.Slog; import java.util.Arrays; import java.util.List; /** * Finish a sync vibration started by a {@link StartSequentialEffectStep}. * * <p>This only plays after all active vibrators steps have finished, and adds a {@link * StartSequentialEffectStep} to the queue if the sequential effect isn't finished yet. */ final class FinishSequentialEffectStep extends Step { public final StartSequentialEffectStep startedStep; FinishSequentialEffectStep(StartSequentialEffectStep startedStep) { // No predefined startTime, just wait for all steps in the queue. super(startedStep.conductor, Long.MAX_VALUE); this.startedStep = startedStep; } @Override public boolean isCleanUp() { // This step only notes that all the vibrators has been turned off. return true; } @Override public List<Step> play() { Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "FinishSequentialEffectStep"); try { if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "FinishSequentialEffectStep for effect #" + startedStep.currentIndex); } conductor.vibratorManagerHooks.noteVibratorOff(conductor.getVibration().uid); Step nextStep = startedStep.nextStep(); return nextStep == null ? VibrationStepConductor.EMPTY_STEP_LIST : Arrays.asList(nextStep); } finally { Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR); } } @Override public List<Step> cancel() { cancelImmediately(); return VibrationStepConductor.EMPTY_STEP_LIST; } @Override public void cancelImmediately() { conductor.vibratorManagerHooks.noteVibratorOff(conductor.getVibration().uid); } } Loading
services/core/java/com/android/server/vibrator/AbstractVibratorStep.java 0 → 100644 +148 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.SystemClock; import android.os.VibrationEffect; import android.util.Slog; import java.util.Arrays; import java.util.List; /** * Represent a step on a single vibrator that plays one or more segments from a * {@link VibrationEffect.Composed} effect. */ abstract class AbstractVibratorStep extends Step { public final VibratorController controller; public final VibrationEffect.Composed effect; public final int segmentIndex; public final long previousStepVibratorOffTimeout; long mVibratorOnResult; boolean mVibratorCompleteCallbackReceived; /** * @param conductor The VibrationStepConductor for these steps. * @param startTime The time to schedule this step in the * {@link VibrationStepConductor}. * @param controller The vibrator that is playing the effect. * @param effect The effect being played in this step. * @param index The index of the next segment to be played by this step * @param previousStepVibratorOffTimeout The time the vibrator is expected to complete any * previous vibration and turn off. This is used to allow this step to * be triggered when the completion callback is received, and can * be used to play effects back-to-back. */ AbstractVibratorStep(VibrationStepConductor conductor, long startTime, VibratorController controller, VibrationEffect.Composed effect, int index, long previousStepVibratorOffTimeout) { super(conductor, startTime); this.controller = controller; this.effect = effect; this.segmentIndex = index; this.previousStepVibratorOffTimeout = previousStepVibratorOffTimeout; } public int getVibratorId() { return controller.getVibratorInfo().getId(); } @Override public long getVibratorOnDuration() { return mVibratorOnResult; } @Override public boolean acceptVibratorCompleteCallback(int vibratorId) { boolean isSameVibrator = controller.getVibratorInfo().getId() == vibratorId; mVibratorCompleteCallbackReceived |= isSameVibrator; // Only activate this step if a timeout was set to wait for the vibration to complete, // otherwise we are waiting for the correct time to play the next step. return isSameVibrator && (previousStepVibratorOffTimeout > SystemClock.uptimeMillis()); } @Override public List<Step> cancel() { return Arrays.asList(new CompleteEffectVibratorStep(conductor, SystemClock.uptimeMillis(), /* cancelled= */ true, controller, previousStepVibratorOffTimeout)); } @Override public void cancelImmediately() { if (previousStepVibratorOffTimeout > SystemClock.uptimeMillis()) { // Vibrator might be running from previous steps, so turn it off while canceling. stopVibrating(); } } protected void stopVibrating() { if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Turning off vibrator " + getVibratorId()); } controller.off(); } protected void changeAmplitude(float amplitude) { if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Amplitude changed on vibrator " + getVibratorId() + " to " + amplitude); } controller.setAmplitude(amplitude); } /** * Return the {@link VibrationStepConductor#nextVibrateStep} with same timings, only jumping * the segments. */ protected List<Step> skipToNextSteps(int segmentsSkipped) { return nextSteps(startTime, previousStepVibratorOffTimeout, segmentsSkipped); } /** * Return the {@link VibrationStepConductor#nextVibrateStep} with same start and off timings * calculated from {@link #getVibratorOnDuration()}, jumping all played segments. * * <p>This method has same behavior as {@link #skipToNextSteps(int)} when the vibrator * result is non-positive, meaning the vibrator has either ignored or failed to turn on. */ protected List<Step> nextSteps(int segmentsPlayed) { if (mVibratorOnResult <= 0) { // Vibration was not started, so just skip the played segments and keep timings. return skipToNextSteps(segmentsPlayed); } long nextStartTime = SystemClock.uptimeMillis() + mVibratorOnResult; long nextVibratorOffTimeout = nextStartTime + VibrationStepConductor.CALLBACKS_EXTRA_TIMEOUT; return nextSteps(nextStartTime, nextVibratorOffTimeout, segmentsPlayed); } /** * Return the {@link VibrationStepConductor#nextVibrateStep} with given start and off timings, * which might be calculated independently, jumping all played segments. * * <p>This should be used when the vibrator on/off state is not responsible for the steps * execution timings, e.g. while playing the vibrator amplitudes. */ protected List<Step> nextSteps(long nextStartTime, long vibratorOffTimeout, int segmentsPlayed) { Step nextStep = conductor.nextVibrateStep(nextStartTime, controller, effect, segmentIndex + segmentsPlayed, vibratorOffTimeout); return nextStep == null ? VibrationStepConductor.EMPTY_STEP_LIST : Arrays.asList(nextStep); } }
services/core/java/com/android/server/vibrator/CompleteEffectVibratorStep.java 0 → 100644 +114 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.SystemClock; import android.os.Trace; import android.os.VibrationEffect; import android.util.Slog; import java.util.Arrays; import java.util.List; /** * Represents a step to complete a {@link VibrationEffect}. * * <p>This runs right at the time the vibration is considered to end and will update the pending * vibrators count. This can turn off the vibrator or slowly ramp it down to zero amplitude. */ final class CompleteEffectVibratorStep extends AbstractVibratorStep { private final boolean mCancelled; CompleteEffectVibratorStep(VibrationStepConductor conductor, long startTime, boolean cancelled, VibratorController controller, long previousStepVibratorOffTimeout) { super(conductor, startTime, controller, /* effect= */ null, /* index= */ -1, previousStepVibratorOffTimeout); mCancelled = cancelled; } @Override public boolean isCleanUp() { // If the vibration was cancelled then this is just a clean up to ramp off the vibrator. // Otherwise this step is part of the vibration. return mCancelled; } @Override public List<Step> cancel() { if (mCancelled) { // Double cancelling will just turn off the vibrator right away. return Arrays.asList( new TurnOffVibratorStep(conductor, SystemClock.uptimeMillis(), controller)); } return super.cancel(); } @Override public List<Step> play() { Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "CompleteEffectVibratorStep"); try { if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Running " + (mCancelled ? "cancel" : "complete") + " vibration" + " step on vibrator " + controller.getVibratorInfo().getId()); } if (mVibratorCompleteCallbackReceived) { // Vibration completion callback was received by this step, just turn if off // and skip any clean-up. stopVibrating(); return VibrationStepConductor.EMPTY_STEP_LIST; } float currentAmplitude = controller.getCurrentAmplitude(); long remainingOnDuration = previousStepVibratorOffTimeout - VibrationStepConductor.CALLBACKS_EXTRA_TIMEOUT - SystemClock.uptimeMillis(); long rampDownDuration = Math.min(remainingOnDuration, conductor.vibrationSettings.getRampDownDuration()); long stepDownDuration = conductor.vibrationSettings.getRampStepDuration(); if (currentAmplitude < VibrationStepConductor.RAMP_OFF_AMPLITUDE_MIN || rampDownDuration <= stepDownDuration) { // No need to ramp down the amplitude, just wait to turn it off. if (mCancelled) { // Vibration is completing because it was cancelled, turn off right away. stopVibrating(); return VibrationStepConductor.EMPTY_STEP_LIST; } else { return Arrays.asList(new TurnOffVibratorStep( conductor, previousStepVibratorOffTimeout, controller)); } } if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Ramping down vibrator " + controller.getVibratorInfo().getId() + " from amplitude " + currentAmplitude + " for " + rampDownDuration + "ms"); } float amplitudeDelta = currentAmplitude / (rampDownDuration / stepDownDuration); float amplitudeTarget = currentAmplitude - amplitudeDelta; long newVibratorOffTimeout = mCancelled ? rampDownDuration : previousStepVibratorOffTimeout; return Arrays.asList( new RampOffVibratorStep(conductor, startTime, amplitudeTarget, amplitudeDelta, controller, newVibratorOffTimeout)); } finally { Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR); } } }
services/core/java/com/android/server/vibrator/ComposePrimitivesVibratorStep.java 0 → 100644 +84 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.Trace; import android.os.VibrationEffect; import android.os.vibrator.PrimitiveSegment; import android.os.vibrator.VibrationEffectSegment; import android.util.Slog; import java.util.ArrayList; import java.util.List; /** * Represents a step to turn the vibrator on using a composition of primitives. * * <p>This step will use the maximum supported number of consecutive segments of type * {@link PrimitiveSegment} starting at the current index. */ final class ComposePrimitivesVibratorStep extends AbstractVibratorStep { ComposePrimitivesVibratorStep(VibrationStepConductor conductor, long startTime, VibratorController controller, VibrationEffect.Composed effect, int index, long previousStepVibratorOffTimeout) { // This step should wait for the last vibration to finish (with the timeout) and for the // intended step start time (to respect the effect delays). super(conductor, Math.max(startTime, previousStepVibratorOffTimeout), controller, effect, index, previousStepVibratorOffTimeout); } @Override public List<Step> play() { Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "ComposePrimitivesStep"); try { // Load the next PrimitiveSegments to create a single compose call to the vibrator, // limited to the vibrator composition maximum size. int limit = controller.getVibratorInfo().getCompositionSizeMax(); int segmentCount = limit > 0 ? Math.min(effect.getSegments().size(), segmentIndex + limit) : effect.getSegments().size(); List<PrimitiveSegment> primitives = new ArrayList<>(); for (int i = segmentIndex; i < segmentCount; i++) { VibrationEffectSegment segment = effect.getSegments().get(i); if (segment instanceof PrimitiveSegment) { primitives.add((PrimitiveSegment) segment); } else { break; } } if (primitives.isEmpty()) { Slog.w(VibrationThread.TAG, "Ignoring wrong segment for a ComposePrimitivesStep: " + effect.getSegments().get(segmentIndex)); return skipToNextSteps(/* segmentsSkipped= */ 1); } if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Compose " + primitives + " primitives on vibrator " + controller.getVibratorInfo().getId()); } mVibratorOnResult = controller.on( primitives.toArray(new PrimitiveSegment[primitives.size()]), getVibration().id); return nextSteps(/* segmentsPlayed= */ primitives.size()); } finally { Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR); } } }
services/core/java/com/android/server/vibrator/ComposePwleVibratorStep.java 0 → 100644 +84 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.Trace; import android.os.VibrationEffect; import android.os.vibrator.RampSegment; import android.os.vibrator.StepSegment; import android.os.vibrator.VibrationEffectSegment; import android.util.Slog; import java.util.ArrayList; import java.util.List; /** * Represents a step to turn the vibrator on using a composition of PWLE segments. * * <p>This step will use the maximum supported number of consecutive segments of type * {@link StepSegment} or {@link RampSegment} starting at the current index. */ final class ComposePwleVibratorStep extends AbstractVibratorStep { ComposePwleVibratorStep(VibrationStepConductor conductor, long startTime, VibratorController controller, VibrationEffect.Composed effect, int index, long previousStepVibratorOffTimeout) { // This step should wait for the last vibration to finish (with the timeout) and for the // intended step start time (to respect the effect delays). super(conductor, Math.max(startTime, previousStepVibratorOffTimeout), controller, effect, index, previousStepVibratorOffTimeout); } @Override public List<Step> play() { Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "ComposePwleStep"); try { // Load the next RampSegments to create a single composePwle call to the vibrator, // limited to the vibrator PWLE maximum size. int limit = controller.getVibratorInfo().getPwleSizeMax(); int segmentCount = limit > 0 ? Math.min(effect.getSegments().size(), segmentIndex + limit) : effect.getSegments().size(); List<RampSegment> pwles = new ArrayList<>(); for (int i = segmentIndex; i < segmentCount; i++) { VibrationEffectSegment segment = effect.getSegments().get(i); if (segment instanceof RampSegment) { pwles.add((RampSegment) segment); } else { break; } } if (pwles.isEmpty()) { Slog.w(VibrationThread.TAG, "Ignoring wrong segment for a ComposePwleStep: " + effect.getSegments().get(segmentIndex)); return skipToNextSteps(/* segmentsSkipped= */ 1); } if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "Compose " + pwles + " PWLEs on vibrator " + controller.getVibratorInfo().getId()); } mVibratorOnResult = controller.on(pwles.toArray(new RampSegment[pwles.size()]), getVibration().id); return nextSteps(/* segmentsPlayed= */ pwles.size()); } finally { Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR); } } }
services/core/java/com/android/server/vibrator/FinishSequentialEffectStep.java 0 → 100644 +73 −0 Original line number Diff line number Diff line /* * Copyright (C) 2022 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.os.Trace; import android.util.Slog; import java.util.Arrays; import java.util.List; /** * Finish a sync vibration started by a {@link StartSequentialEffectStep}. * * <p>This only plays after all active vibrators steps have finished, and adds a {@link * StartSequentialEffectStep} to the queue if the sequential effect isn't finished yet. */ final class FinishSequentialEffectStep extends Step { public final StartSequentialEffectStep startedStep; FinishSequentialEffectStep(StartSequentialEffectStep startedStep) { // No predefined startTime, just wait for all steps in the queue. super(startedStep.conductor, Long.MAX_VALUE); this.startedStep = startedStep; } @Override public boolean isCleanUp() { // This step only notes that all the vibrators has been turned off. return true; } @Override public List<Step> play() { Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "FinishSequentialEffectStep"); try { if (VibrationThread.DEBUG) { Slog.d(VibrationThread.TAG, "FinishSequentialEffectStep for effect #" + startedStep.currentIndex); } conductor.vibratorManagerHooks.noteVibratorOff(conductor.getVibration().uid); Step nextStep = startedStep.nextStep(); return nextStep == null ? VibrationStepConductor.EMPTY_STEP_LIST : Arrays.asList(nextStep); } finally { Trace.traceEnd(Trace.TRACE_TAG_VIBRATOR); } } @Override public List<Step> cancel() { cancelImmediately(); return VibrationStepConductor.EMPTY_STEP_LIST; } @Override public void cancelImmediately() { conductor.vibratorManagerHooks.noteVibratorOff(conductor.getVibration().uid); } }