Replace DisplayGroupInfo with PowerGroup to track power state per DisplayGroup. (4ac74933) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/power/DisplayGroupPowerStateMapper.java

deleted100644 → 0

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		/*
		* Copyright (C) 2021 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.power;

		import static android.os.PowerManagerInternal.WAKEFULNESS_ASLEEP;
		import static android.os.PowerManagerInternal.WAKEFULNESS_AWAKE;
		import static android.os.PowerManagerInternal.WAKEFULNESS_DOZING;
		import static android.os.PowerManagerInternal.WAKEFULNESS_DREAMING;

		import static com.android.server.power.DisplayGroupPowerStateMapper.DisplayGroupPowerChangeListener.DISPLAY_GROUP_ADDED;
		import static com.android.server.power.DisplayGroupPowerStateMapper.DisplayGroupPowerChangeListener.DISPLAY_GROUP_CHANGED;
		import static com.android.server.power.DisplayGroupPowerStateMapper.DisplayGroupPowerChangeListener.DISPLAY_GROUP_REMOVED;

		import android.hardware.display.DisplayManagerInternal;
		import android.hardware.display.DisplayManagerInternal.DisplayPowerRequest;
		import android.os.PowerManagerInternal;
		import android.util.Slog;
		import android.util.SparseArray;
		import android.view.Display;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.ArrayUtils;
		import com.android.server.display.DisplayGroup;

		/**
		* Responsible for creating {@link DisplayPowerRequest}s and associating them with
		* {@link com.android.server.display.DisplayGroup}s.
		*
		* Each {@link com.android.server.display.DisplayGroup} has a single {@link DisplayPowerRequest}
		* which is used to request power state changes to every display in the group.
		*/
		public class DisplayGroupPowerStateMapper {

		private static final String TAG = "DisplayPowerRequestMapper";

		/** Lock obtained from {@link PowerManagerService}. */
		private final Object mLock;

		/** Listener to inform of changes to display groups. */
		private final DisplayGroupPowerChangeListener mListener;

		/** A mapping from DisplayGroup Id to DisplayGroup information. */
		@GuardedBy("mLock")
		private final SparseArray<DisplayGroupInfo> mDisplayGroupInfos = new SparseArray<>();

		/** A cached array of DisplayGroup Ids. */
		@GuardedBy("mLock")
		private int[] mDisplayGroupIds;

		private final DisplayManagerInternal.DisplayGroupListener mDisplayGroupListener =
		new DisplayManagerInternal.DisplayGroupListener() {
		@Override
		public void onDisplayGroupAdded(int groupId) {
		synchronized (mLock) {
		if (mDisplayGroupInfos.contains(groupId)) {
		Slog.e(TAG, "Tried to add already existing group:" + groupId);
		return;
		}
		// For now, only the default group supports sandman (dream/AOD).
		final boolean supportsSandman = groupId == Display.DEFAULT_DISPLAY_GROUP;
		final DisplayGroupInfo displayGroupInfo = new DisplayGroupInfo(
		new DisplayPowerRequest(),
		getGlobalWakefulnessLocked(),
		/* ready= */ false,
		supportsSandman);
		mDisplayGroupInfos.append(groupId, displayGroupInfo);
		mDisplayGroupIds = ArrayUtils.appendInt(mDisplayGroupIds, groupId);
		mListener.onDisplayGroupEventLocked(DISPLAY_GROUP_ADDED, groupId);
		}
		}

		@Override
		public void onDisplayGroupRemoved(int groupId) {
		synchronized (mLock) {
		if (!mDisplayGroupInfos.contains(groupId)) {
		Slog.e(TAG, "Tried to remove non-existent group:" + groupId);
		return;
		}
		mDisplayGroupInfos.delete(groupId);
		mDisplayGroupIds = ArrayUtils.removeInt(mDisplayGroupIds, groupId);
		mListener.onDisplayGroupEventLocked(DISPLAY_GROUP_REMOVED, groupId);
		}
		}

		@Override
		public void onDisplayGroupChanged(int groupId) {
		synchronized (mLock) {
		mListener.onDisplayGroupEventLocked(DISPLAY_GROUP_CHANGED, groupId);
		}
		}
		};

		DisplayGroupPowerStateMapper(Object lock, DisplayManagerInternal displayManagerInternal,
		DisplayGroupPowerChangeListener listener) {
		mLock = lock;
		mListener = listener;
		displayManagerInternal.registerDisplayGroupListener(mDisplayGroupListener);

		final DisplayGroupInfo displayGroupInfo = new DisplayGroupInfo(
		new DisplayPowerRequest(), WAKEFULNESS_AWAKE, /* ready= */
		false, /* supportsSandman= */ true);
		mDisplayGroupInfos.append(Display.DEFAULT_DISPLAY_GROUP, displayGroupInfo);
		mDisplayGroupIds = new int[]{Display.DEFAULT_DISPLAY_GROUP};
		}

		DisplayPowerRequest getPowerRequestLocked(int groupId) {
		return mDisplayGroupInfos.get(groupId).displayPowerRequest;
		}

		int[] getDisplayGroupIdsLocked() {
		return mDisplayGroupIds;
		}

		int getDisplayGroupCountLocked() {
		return mDisplayGroupIds.length;
		}

		int getWakefulnessLocked(int groupId) {
		return mDisplayGroupInfos.get(groupId).wakefulness;
		}

		void setLastPowerOnTimeLocked(int groupId, long eventTime) {
		mDisplayGroupInfos.get(groupId).lastPowerOnTime = eventTime;
		}

		long getLastPowerOnTimeLocked(int groupId) {
		return mDisplayGroupInfos.get(groupId).lastPowerOnTime;
		}

		void setPoweringOnLocked(int groupId, boolean poweringOn) {
		mDisplayGroupInfos.get(groupId).poweringOn = poweringOn;
		}

		boolean isPoweringOnLocked(int groupId) {
		return mDisplayGroupInfos.get(groupId).poweringOn;
		}

		/**
		* Returns the amalgamated wakefulness of all {@link DisplayGroup DisplayGroups}.
		*
		* <p>This will be the highest wakeful state of all {@link DisplayGroup DisplayGroups}; ordered
		* from highest to lowest:
		* <ol>
		* <li>{@link PowerManagerInternal#WAKEFULNESS_AWAKE}
		* <li>{@link PowerManagerInternal#WAKEFULNESS_DREAMING}
		* <li>{@link PowerManagerInternal#WAKEFULNESS_DOZING}
		* <li>{@link PowerManagerInternal#WAKEFULNESS_ASLEEP}
		* </ol>
		*/
		int getGlobalWakefulnessLocked() {
		final int size = mDisplayGroupInfos.size();
		int deviceWakefulness = WAKEFULNESS_ASLEEP;
		for (int i = 0; i < size; i++) {
		final int wakefulness = mDisplayGroupInfos.valueAt(i).wakefulness;
		if (wakefulness == WAKEFULNESS_AWAKE) {
		return WAKEFULNESS_AWAKE;
		} else if (wakefulness == WAKEFULNESS_DREAMING
		&& (deviceWakefulness == WAKEFULNESS_ASLEEP
		\|\| deviceWakefulness == WAKEFULNESS_DOZING)) {
		deviceWakefulness = WAKEFULNESS_DREAMING;
		} else if (wakefulness == WAKEFULNESS_DOZING
		&& deviceWakefulness == WAKEFULNESS_ASLEEP) {
		deviceWakefulness = WAKEFULNESS_DOZING;
		}
		}

		return deviceWakefulness;
		}

		/**
		* Sets the {@code wakefulness} value for the {@link DisplayGroup} specified by the provided
		* {@code groupId}.
		*
		* @return {@code true} if the wakefulness value was changed; {@code false} otherwise.
		*/
		boolean setWakefulnessLocked(int groupId, int wakefulness) {
		final DisplayGroupInfo displayGroupInfo = mDisplayGroupInfos.get(groupId);
		if (displayGroupInfo.wakefulness != wakefulness) {
		displayGroupInfo.wakefulness = wakefulness;
		return true;
		}

		return false;
		}

		boolean isSandmanSummoned(int groupId) {
		return mDisplayGroupInfos.get(groupId).sandmanSummoned;
		}

		boolean isSandmanSupported(int groupId) {
		return mDisplayGroupInfos.get(groupId).supportsSandman;
		}

		/**
		* Sets whether or not the sandman is summoned for the given {@code groupId}.
		*
		* @param groupId Signifies the DisplayGroup for which to summon or unsummon the
		* sandman.
		* @param sandmanSummoned {@code true} to summon the sandman; {@code false} to unsummon.
		*/
		void setSandmanSummoned(int groupId, boolean sandmanSummoned) {
		final DisplayGroupInfo displayGroupInfo = mDisplayGroupInfos.get(groupId);
		displayGroupInfo.sandmanSummoned = displayGroupInfo.supportsSandman && sandmanSummoned;
		}

		/**
		* Returns {@code true} if every display in the specified group has its requested state matching
		* its actual state.
		*
		* @param groupId The identifier for the display group to check for readiness.
		*/
		boolean isReady(int groupId) {
		return mDisplayGroupInfos.get(groupId).ready;
		}

		/** Returns {@code true} if every display has its requested state matching its actual state. */
		boolean areAllDisplaysReadyLocked() {
		final int size = mDisplayGroupInfos.size();
		for (int i = 0; i < size; i++) {
		if (!mDisplayGroupInfos.valueAt(i).ready) {
		return false;
		}
		}

		return true;
		}

		/**
		* Sets whether the displays specified by the provided {@code groupId} are all ready.
		*
		* <p>A display is ready if its reported
		* {@link DisplayManagerInternal.DisplayPowerCallbacks#onStateChanged() actual state} matches
		* its {@link DisplayManagerInternal#requestPowerState requested state}.
		*
		* @param groupId The identifier for the display group.
		* @param ready {@code true} if every display in the group is ready; otherwise {@code false}.
		* @return {@code true} if the ready state changed; otherwise {@code false}.
		*/
		boolean setDisplayGroupReadyLocked(int groupId, boolean ready) {
		final DisplayGroupInfo displayGroupInfo = mDisplayGroupInfos.get(groupId);
		if (displayGroupInfo.ready != ready) {
		displayGroupInfo.ready = ready;
		return true;
		}

		return false;
		}

		long getLastUserActivityTimeLocked(int groupId) {
		return mDisplayGroupInfos.get(groupId).lastUserActivityTime;
		}

		long getLastUserActivityTimeNoChangeLightsLocked(int groupId) {
		return mDisplayGroupInfos.get(groupId).lastUserActivityTimeNoChangeLights;
		}

		int getUserActivitySummaryLocked(int groupId) {
		return mDisplayGroupInfos.get(groupId).userActivitySummary;
		}

		void setLastUserActivityTimeLocked(int groupId, long time) {
		mDisplayGroupInfos.get(groupId).lastUserActivityTime = time;
		}

		void setLastUserActivityTimeNoChangeLightsLocked(int groupId, long time) {
		mDisplayGroupInfos.get(groupId).lastUserActivityTimeNoChangeLights = time;
		}

		void setUserActivitySummaryLocked(int groupId, int summary) {
		mDisplayGroupInfos.get(groupId).userActivitySummary = summary;
		}

		int getWakeLockSummaryLocked(int groupId) {
		return mDisplayGroupInfos.get(groupId).wakeLockSummary;
		}

		void setWakeLockSummaryLocked(int groupId, int summary) {
		mDisplayGroupInfos.get(groupId).wakeLockSummary = summary;
		}

		/**
		* Interface through which an interested party may be informed of {@link DisplayGroup} events.
		*/
		interface DisplayGroupPowerChangeListener {
		int DISPLAY_GROUP_ADDED = 0;
		int DISPLAY_GROUP_REMOVED = 1;
		int DISPLAY_GROUP_CHANGED = 2;

		void onDisplayGroupEventLocked(int event, int groupId);
		}

		private static final class DisplayGroupInfo {
		public final DisplayPowerRequest displayPowerRequest;
		public int wakefulness;
		public boolean ready;
		public long lastPowerOnTime;
		boolean poweringOn;
		public boolean sandmanSummoned;
		public long lastUserActivityTime;
		public long lastUserActivityTimeNoChangeLights;
		public int userActivitySummary;
		public int wakeLockSummary;

		/** {@code true} if this DisplayGroup supports dreaming; otherwise {@code false}. */
		public boolean supportsSandman;

		DisplayGroupInfo(DisplayPowerRequest displayPowerRequest, int wakefulness, boolean ready,
		boolean supportsSandman) {
		this.displayPowerRequest = displayPowerRequest;
		this.wakefulness = wakefulness;
		this.ready = ready;
		this.supportsSandman = supportsSandman;
		}
		}
		}

services/core/java/com/android/server/power/PowerGroup.java

0 → 100644

+182 −0

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		/*
		* Copyright (C) 2021 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.power;

		import static android.os.PowerManagerInternal.WAKEFULNESS_AWAKE;

		import android.hardware.display.DisplayManagerInternal.DisplayPowerRequest;

		/**
		* Used to store power related requests to every display in a
		* {@link com.android.server.display.DisplayGroup}.
		* For each {@link com.android.server.display.DisplayGroup} there exists a {@link PowerGroup}.
		* The mapping is tracked in {@link PowerManagerService}.
		* <p><b>Note:</b> Methods with the {@code *Locked} suffix require the
		* {@code PowerManagerService#mLock} to be held by the caller.
		*/
		public class PowerGroup {
		private static final String TAG = PowerGroup.class.getSimpleName();

		private final DisplayPowerRequest mDisplayPowerRequest;
		private final boolean mSupportsSandman;

		// True if DisplayManagerService has applied all the latest display states that were
		// requested for this group
		private boolean mReady;
		// True if this group is in the process of powering on
		private boolean mPoweringOn;
		// True if this group is about to dream
		private boolean mIsSandmanSummoned;
		private int mUserActivitySummary;
		// The current wakefulness of this group
		private int mWakefulness;
		private int mWakeLockSummary;
		private long mLastPowerOnTime;
		private long mLastUserActivityTime;
		private long mLastUserActivityTimeNoChangeLights;

		PowerGroup(DisplayPowerRequest displayPowerRequest, int wakefulness, boolean ready,
		boolean supportsSandman) {
		this.mDisplayPowerRequest = displayPowerRequest;
		this.mWakefulness = wakefulness;
		this.mReady = ready;
		this.mSupportsSandman = supportsSandman;
		}

		PowerGroup() {
		this.mDisplayPowerRequest = new DisplayPowerRequest();
		this.mWakefulness = WAKEFULNESS_AWAKE;
		this.mReady = false;
		this.mSupportsSandman = true;
		}

		DisplayPowerRequest getDisplayPowerRequestLocked() {
		return mDisplayPowerRequest;
		}

		int getWakefulnessLocked() {
		return mWakefulness;
		}

		/**
		* Sets the {@code wakefulness} value for this {@link PowerGroup}.
		*
		* @return {@code true} if the wakefulness value was changed; {@code false} otherwise.
		*/
		boolean setWakefulnessLocked(int newWakefulness) {
		if (mWakefulness != newWakefulness) {
		mWakefulness = newWakefulness;
		return true;
		}
		return false;
		}

		/**
		* Returns {@code true} if every display in this group has its requested state matching
		* its actual state.
		*/
		boolean isReadyLocked() {
		return mReady;
		}

		/**
		* Sets whether the displays of this group are all ready.
		*
		* <p>A display is ready if its reported
		* {@link DisplayManagerInternal.DisplayPowerCallbacks#onStateChanged() actual state} matches
		* its {@link DisplayManagerInternal#requestPowerState requested state}.
		*
		* @param isReady {@code true} if every display in the group is ready; otherwise {@code false}.
		* @return {@code true} if the ready state changed; otherwise {@code false}.
		*/
		boolean setReadyLocked(boolean isReady) {
		if (mReady != isReady) {
		mReady = isReady;
		return true;
		}
		return false;
		}

		long getLastPowerOnTimeLocked() {
		return mLastPowerOnTime;
		}

		void setLastPowerOnTimeLocked(long time) {
		mLastPowerOnTime = time;
		}

		boolean isPoweringOnLocked() {
		return mPoweringOn;
		}

		void setIsPoweringOnLocked(boolean isPoweringOnNew) {
		mPoweringOn = isPoweringOnNew;
		}

		boolean isSandmanSummonedLocked() {
		return mIsSandmanSummoned;
		}

		/**
		* Sets whether or not the sandman is summoned for this {@link PowerGroup}.
		*
		* @param isSandmanSummoned {@code true} to summon the sandman; {@code false} to unsummon.
		*/
		void setSandmanSummonedLocked(boolean isSandmanSummoned) {
		mIsSandmanSummoned = isSandmanSummoned;
		}

		long getLastUserActivityTimeLocked() {
		return mLastUserActivityTime;
		}

		void setLastUserActivityTimeLocked(long lastUserActivityTime) {
		mLastUserActivityTime = lastUserActivityTime;
		}

		public long getLastUserActivityTimeNoChangeLightsLocked() {
		return mLastUserActivityTimeNoChangeLights;
		}

		public void setLastUserActivityTimeNoChangeLightsLocked(long time) {
		mLastUserActivityTimeNoChangeLights = time;
		}

		public int getUserActivitySummaryLocked() {
		return mUserActivitySummary;
		}

		public void setUserActivitySummaryLocked(int summary) {
		mUserActivitySummary = summary;
		}

		public int getWakeLockSummaryLocked() {
		return mWakeLockSummary;
		}

		public void setWakeLockSummaryLocked(int summary) {
		mWakeLockSummary = summary;
		}

		/**
		* Whether or not this DisplayGroup supports dreaming.
		* @return {@code true} if this DisplayGroup supports dreaming; otherwise {@code false}.
		*/
		public boolean supportsSandmanLocked() {
		return mSupportsSandman;
		}
		}

services/core/java/com/android/server/power/PowerManagerService.java

+324 −172

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