location/java/android/location/GnssMeasurementRequest.java - LeafOS-Project/android_frameworks_base - Gitiles

 /*
  * Copyright (C) 2020 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 android.location;

 import android.Manifest;
 import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.os.WorkSource;
 import android.util.TimeUtils;

 import com.android.internal.util.Preconditions;

 import java.util.Objects;

 /**
  * This class contains extra parameters to pass in a GNSS measurement request.
  */
 public final class GnssMeasurementRequest implements Parcelable {
     /**
      * Represents a passive only request. Such a request will not trigger any active GNSS
      * measurements or power usage itself, but may receive GNSS measurements generated in response
      * to other requests.
      *
      * <p class="note">Note that on Android T, such a request will trigger one GNSS measurement.
      * Another GNSS measurement will be triggered after {@link #PASSIVE_INTERVAL} and so on.
      *
      * @see GnssMeasurementRequest#getIntervalMillis()
      */
     public static final int PASSIVE_INTERVAL = Integer.MAX_VALUE;

     private final boolean mCorrelationVectorOutputsEnabled;
     private final boolean mFullTracking;
     private final int mIntervalMillis;
     private WorkSource mWorkSource;
     /**
      * Creates a {@link GnssMeasurementRequest} with a full list of parameters.
      */
     private GnssMeasurementRequest(boolean fullTracking, boolean correlationVectorOutputsEnabled,
             int intervalMillis, WorkSource workSource) {
         mFullTracking = fullTracking;
         mCorrelationVectorOutputsEnabled = correlationVectorOutputsEnabled;
         mIntervalMillis = intervalMillis;
         mWorkSource = Objects.requireNonNull(workSource);
     }

     /**
      * Represents whether to enable correlation vector outputs.
      *
      * <p>If true, enable correlation vectors as part of the raw GNSS measurements outputs.
      * If false, disable correlation vectors.
      *
      * @hide
      */
     @SystemApi
     public boolean isCorrelationVectorOutputsEnabled() {
         return mCorrelationVectorOutputsEnabled;
     }

     /**
      * Represents whether to enable full GNSS tracking.
      *
      * <p>If true, GNSS chipset switches off duty cycling. In such a mode, no clock
      * discontinuities are expected, and when supported, carrier phase should be continuous in
      * good signal conditions. All non-blocklisted, healthy constellations, satellites and
      * frequency bands that are meaningful to positioning accuracy must be tracked and reported in
      * this mode. The GNSS chipset will consume more power in full tracking mode than in duty
      * cycling mode. If false, GNSS chipset optimizes power via duty cycling, constellations and
      * frequency limits, etc.
      *
      * <p>Full GNSS tracking mode affects GnssMeasurement and other GNSS functionalities
      * including GNSS location.
      */
     public boolean isFullTracking() {
         return mFullTracking;
     }

     /**
      * Returns the requested time interval between the reported measurements in milliseconds, or
      * {@link #PASSIVE_INTERVAL} if this is a passive, no power request. A passive request will not
      * actively generate GNSS measurement updates, but may receive GNSS measurement updates
      * generated as a result of other GNSS measurement requests.
      *
      * <p>If the time interval is not set, the default value is 0, which means the fastest rate the
      * GNSS chipset can report.
      *
      * <p>The GNSS chipset may report measurements with a rate faster than requested.
      *
      * <p class="note">Note that on Android T, a request interval of {@link #PASSIVE_INTERVAL}
      * will first trigger one GNSS measurement. Another GNSS measurement will be triggered after
      * {@link #PASSIVE_INTERVAL} milliseconds ans so on.
      */
     public @IntRange(from = 0) int getIntervalMillis() {
         return mIntervalMillis;
     }

     /**
      * Returns the work source used for power blame for this request. If empty (i.e.,
      * {@link WorkSource#isEmpty()} is {@code true}, the system is free to assign power blame as it
      * deems most appropriate.
      *
      * @return the work source used for power blame for this request
      *
      * @hide
      */
     @SystemApi
     public @NonNull WorkSource getWorkSource() {
         return mWorkSource;
     }

     @NonNull
     public static final Creator<GnssMeasurementRequest> CREATOR =
             new Creator<GnssMeasurementRequest>() {
                 @Override
                 @NonNull
                 public GnssMeasurementRequest createFromParcel(@NonNull Parcel parcel) {
                     return new GnssMeasurementRequest(
                             /* fullTracking= */ parcel.readBoolean(),
                             /* correlationVectorOutputsEnabled= */ parcel.readBoolean(),
                             /* intervalMillis= */ parcel.readInt(),
                             /* workSource= */ parcel.readTypedObject(WorkSource.CREATOR));
                 }

                 @Override
                 public GnssMeasurementRequest[] newArray(int i) {
                     return new GnssMeasurementRequest[i];
                 }
             };

     @Override
     public void writeToParcel(@NonNull Parcel parcel, int flags) {
         parcel.writeBoolean(mFullTracking);
         parcel.writeBoolean(mCorrelationVectorOutputsEnabled);
         parcel.writeInt(mIntervalMillis);
         parcel.writeTypedObject(mWorkSource, 0);
     }

     @NonNull
     @Override
     public String toString() {
         StringBuilder s = new StringBuilder();
         s.append("GnssMeasurementRequest[");
         if (mIntervalMillis == PASSIVE_INTERVAL) {
             s.append("passive");
         } else {
             s.append("@");
             TimeUtils.formatDuration(mIntervalMillis, s);
         }
         if (mFullTracking) {
             s.append(", FullTracking");
         }
         if (mCorrelationVectorOutputsEnabled) {
             s.append(", CorrelationVectorOutputs");
         }
         if (mWorkSource != null && !mWorkSource.isEmpty()) {
             s.append(", ").append(mWorkSource);
         }
         s.append(']');
         return s.toString();
     }

     @Override
     public boolean equals(Object obj) {
         if (this == obj) return true;
         if (obj == null) return false;
         if (!(obj instanceof GnssMeasurementRequest)) return false;

         GnssMeasurementRequest other = (GnssMeasurementRequest) obj;
         if (mFullTracking != other.mFullTracking) return false;
         if (mCorrelationVectorOutputsEnabled != other.mCorrelationVectorOutputsEnabled) {
             return false;
         }
         if (mIntervalMillis != other.mIntervalMillis) {
             return false;
         }
         if (!Objects.equals(mWorkSource, other.mWorkSource)) {
             return false;
         }
         return true;
     }

     @Override
     public int hashCode() {
         return Objects.hash(mFullTracking, mCorrelationVectorOutputsEnabled, mIntervalMillis,
                 mWorkSource);
     }

     @Override
     public int describeContents() {
         return 0;
     }

     /** Builder for {@link GnssMeasurementRequest} */
     public static final class Builder {
         private boolean mCorrelationVectorOutputsEnabled;
         private boolean mFullTracking;
         private int mIntervalMillis;
         private WorkSource mWorkSource;

         /**
          * Constructs a {@link Builder} instance.
          */
         public Builder() {
         }

         /**
          * Constructs a {@link Builder} instance by copying a {@link GnssMeasurementRequest}.
          */
         public Builder(@NonNull GnssMeasurementRequest request) {
             mCorrelationVectorOutputsEnabled = request.isCorrelationVectorOutputsEnabled();
             mFullTracking = request.isFullTracking();
             mIntervalMillis = request.getIntervalMillis();
             mWorkSource = request.getWorkSource();
         }

         /**
          * Set the value of whether to enable correlation vector outputs, which is false by default.
          *
          * <p>If true, enable correlation vectors as part of the raw GNSS measurements outputs.
          * If false, disable correlation vectors.
          *
          * @hide
          */
         @SystemApi
         @NonNull public Builder setCorrelationVectorOutputsEnabled(boolean value) {
             mCorrelationVectorOutputsEnabled = value;
             return this;
         }

         /**
          * Set the value of whether to enable full GNSS tracking, which is false by default.
          *
          * <p>If true, GNSS chipset switches off duty cycling. In such a mode, no clock
          * discontinuities are expected, and when supported, carrier phase should be continuous in
          * good signal conditions. All non-blocklisted, healthy constellations, satellites and
          * frequency bands that the chipset supports must be reported in this mode. The GNSS chipset
          * will consume more power in full tracking mode than in duty cycling mode. If false,
          * GNSS chipset optimizes power via duty cycling, constellations and frequency limits, etc.
          *
          * <p>Full GNSS tracking mode affects GnssMeasurement and other GNSS functionalities
          * including GNSS location.
          *
          * <p>Full tracking requests always override non-full tracking requests. If any full
          * tracking request occurs, all listeners on the device will receive full tracking GNSS
          * measurements.
          */
         @NonNull public Builder setFullTracking(boolean value) {
             mFullTracking = value;
             return this;
         }

         /**
          * Set the time interval between the reported measurements in milliseconds, which is 0 by
          * default. The request interval may be set to {@link #PASSIVE_INTERVAL} which indicates
          * this request will not actively generate GNSS measurement updates, but may receive
          * GNSS measurement updates generated as a result of other GNSS measurement requests.
          *
          * <p>An interval of 0 milliseconds means the fastest rate the chipset can report.
          *
          * <p>The GNSS chipset may report measurements with a rate faster than requested.
          *
          * <p class="note">Note that on Android T, a request interval of {@link #PASSIVE_INTERVAL}
          * will first trigger one GNSS measurement. Another GNSS measurement will be triggered after
          * {@link #PASSIVE_INTERVAL} milliseconds and so on.
          */
         @NonNull public Builder setIntervalMillis(@IntRange(from = 0) int value) {
             mIntervalMillis = Preconditions.checkArgumentInRange(value, 0, Integer.MAX_VALUE,
                     "intervalMillis");
             return this;
         }

         /**
          * Sets the work source to use for power blame for this request. Passing in null or leaving
          * it unset will be an empty WorkSource, which implies the system is free to assign power
          * blame as it determines best for this request (which usually means blaming the owner of
          * the GnssMeasurement listener).
          *
          * <p>Permissions enforcement occurs when resulting request is actually used, not when this
          * method is invoked.
          *
          * @hide
          */
         @SystemApi
         @RequiresPermission(Manifest.permission.UPDATE_DEVICE_STATS)
         public @NonNull Builder setWorkSource(@Nullable WorkSource workSource) {
             mWorkSource = workSource;
             return this;
         }

         /** Builds a {@link GnssMeasurementRequest} instance as specified by this builder. */
         @NonNull
         public GnssMeasurementRequest build() {
             return new GnssMeasurementRequest(mFullTracking, mCorrelationVectorOutputsEnabled,
                     mIntervalMillis, new WorkSource(mWorkSource));
         }
     }
 }
	/*
	* Copyright (C) 2020 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 android.location;

	import android.Manifest;
	import android.annotation.IntRange;
	import android.annotation.NonNull;
	import android.annotation.Nullable;
	import android.annotation.RequiresPermission;
	import android.annotation.SystemApi;
	import android.os.Parcel;
	import android.os.Parcelable;
	import android.os.WorkSource;
	import android.util.TimeUtils;

	import com.android.internal.util.Preconditions;

	import java.util.Objects;

	/**
	* This class contains extra parameters to pass in a GNSS measurement request.
	*/
	public final class GnssMeasurementRequest implements Parcelable {
	/**
	* Represents a passive only request. Such a request will not trigger any active GNSS
	* measurements or power usage itself, but may receive GNSS measurements generated in response
	* to other requests.
	*
	* <p class="note">Note that on Android T, such a request will trigger one GNSS measurement.
	* Another GNSS measurement will be triggered after {@link #PASSIVE_INTERVAL} and so on.
	*
	* @see GnssMeasurementRequest#getIntervalMillis()
	*/
	public static final int PASSIVE_INTERVAL = Integer.MAX_VALUE;

	private final boolean mCorrelationVectorOutputsEnabled;
	private final boolean mFullTracking;
	private final int mIntervalMillis;
	private WorkSource mWorkSource;
	/**
	* Creates a {@link GnssMeasurementRequest} with a full list of parameters.
	*/
	private GnssMeasurementRequest(boolean fullTracking, boolean correlationVectorOutputsEnabled,
	int intervalMillis, WorkSource workSource) {
	mFullTracking = fullTracking;
	mCorrelationVectorOutputsEnabled = correlationVectorOutputsEnabled;
	mIntervalMillis = intervalMillis;
	mWorkSource = Objects.requireNonNull(workSource);
	}

	/**
	* Represents whether to enable correlation vector outputs.
	*
	* <p>If true, enable correlation vectors as part of the raw GNSS measurements outputs.
	* If false, disable correlation vectors.
	*
	* @hide
	*/
	@SystemApi
	public boolean isCorrelationVectorOutputsEnabled() {
	return mCorrelationVectorOutputsEnabled;
	}

	/**
	* Represents whether to enable full GNSS tracking.
	*
	* <p>If true, GNSS chipset switches off duty cycling. In such a mode, no clock
	* discontinuities are expected, and when supported, carrier phase should be continuous in
	* good signal conditions. All non-blocklisted, healthy constellations, satellites and
	* frequency bands that are meaningful to positioning accuracy must be tracked and reported in
	* this mode. The GNSS chipset will consume more power in full tracking mode than in duty
	* cycling mode. If false, GNSS chipset optimizes power via duty cycling, constellations and
	* frequency limits, etc.
	*
	* <p>Full GNSS tracking mode affects GnssMeasurement and other GNSS functionalities
	* including GNSS location.
	*/
	public boolean isFullTracking() {
	return mFullTracking;
	}

	/**
	* Returns the requested time interval between the reported measurements in milliseconds, or
	* {@link #PASSIVE_INTERVAL} if this is a passive, no power request. A passive request will not
	* actively generate GNSS measurement updates, but may receive GNSS measurement updates
	* generated as a result of other GNSS measurement requests.
	*
	* <p>If the time interval is not set, the default value is 0, which means the fastest rate the
	* GNSS chipset can report.
	*
	* <p>The GNSS chipset may report measurements with a rate faster than requested.
	*
	* <p class="note">Note that on Android T, a request interval of {@link #PASSIVE_INTERVAL}
	* will first trigger one GNSS measurement. Another GNSS measurement will be triggered after
	* {@link #PASSIVE_INTERVAL} milliseconds ans so on.
	*/
	public @IntRange(from = 0) int getIntervalMillis() {
	return mIntervalMillis;
	}

	/**
	* Returns the work source used for power blame for this request. If empty (i.e.,
	* {@link WorkSource#isEmpty()} is {@code true}, the system is free to assign power blame as it
	* deems most appropriate.
	*
	* @return the work source used for power blame for this request
	*
	* @hide
	*/
	@SystemApi
	public @NonNull WorkSource getWorkSource() {
	return mWorkSource;
	}

	@NonNull
	public static final Creator<GnssMeasurementRequest> CREATOR =
	new Creator<GnssMeasurementRequest>() {
	@Override
	@NonNull
	public GnssMeasurementRequest createFromParcel(@NonNull Parcel parcel) {
	return new GnssMeasurementRequest(
	/* fullTracking= */ parcel.readBoolean(),
	/* correlationVectorOutputsEnabled= */ parcel.readBoolean(),
	/* intervalMillis= */ parcel.readInt(),
	/* workSource= */ parcel.readTypedObject(WorkSource.CREATOR));
	}

	@Override
	public GnssMeasurementRequest[] newArray(int i) {
	return new GnssMeasurementRequest[i];
	}
	};

	@Override
	public void writeToParcel(@NonNull Parcel parcel, int flags) {
	parcel.writeBoolean(mFullTracking);
	parcel.writeBoolean(mCorrelationVectorOutputsEnabled);
	parcel.writeInt(mIntervalMillis);
	parcel.writeTypedObject(mWorkSource, 0);
	}

	@NonNull
	@Override
	public String toString() {
	StringBuilder s = new StringBuilder();
	s.append("GnssMeasurementRequest[");
	if (mIntervalMillis == PASSIVE_INTERVAL) {
	s.append("passive");
	} else {
	s.append("@");
	TimeUtils.formatDuration(mIntervalMillis, s);
	}
	if (mFullTracking) {
	s.append(", FullTracking");
	}
	if (mCorrelationVectorOutputsEnabled) {
	s.append(", CorrelationVectorOutputs");
	}
	if (mWorkSource != null && !mWorkSource.isEmpty()) {
	s.append(", ").append(mWorkSource);
	}
	s.append(']');
	return s.toString();
	}

	@Override
	public boolean equals(Object obj) {
	if (this == obj) return true;
	if (obj == null) return false;
	if (!(obj instanceof GnssMeasurementRequest)) return false;

	GnssMeasurementRequest other = (GnssMeasurementRequest) obj;
	if (mFullTracking != other.mFullTracking) return false;
	if (mCorrelationVectorOutputsEnabled != other.mCorrelationVectorOutputsEnabled) {
	return false;
	}
	if (mIntervalMillis != other.mIntervalMillis) {
	return false;
	}
	if (!Objects.equals(mWorkSource, other.mWorkSource)) {
	return false;
	}
	return true;
	}

	@Override
	public int hashCode() {
	return Objects.hash(mFullTracking, mCorrelationVectorOutputsEnabled, mIntervalMillis,
	mWorkSource);
	}

	@Override
	public int describeContents() {
	return 0;
	}

	/** Builder for {@link GnssMeasurementRequest} */
	public static final class Builder {
	private boolean mCorrelationVectorOutputsEnabled;
	private boolean mFullTracking;
	private int mIntervalMillis;
	private WorkSource mWorkSource;

	/**
	* Constructs a {@link Builder} instance.
	*/
	public Builder() {
	}

	/**
	* Constructs a {@link Builder} instance by copying a {@link GnssMeasurementRequest}.
	*/
	public Builder(@NonNull GnssMeasurementRequest request) {
	mCorrelationVectorOutputsEnabled = request.isCorrelationVectorOutputsEnabled();
	mFullTracking = request.isFullTracking();
	mIntervalMillis = request.getIntervalMillis();
	mWorkSource = request.getWorkSource();
	}

	/**
	* Set the value of whether to enable correlation vector outputs, which is false by default.
	*
	* <p>If true, enable correlation vectors as part of the raw GNSS measurements outputs.
	* If false, disable correlation vectors.
	*
	* @hide
	*/
	@SystemApi
	@NonNull public Builder setCorrelationVectorOutputsEnabled(boolean value) {
	mCorrelationVectorOutputsEnabled = value;
	return this;
	}

	/**
	* Set the value of whether to enable full GNSS tracking, which is false by default.
	*
	* <p>If true, GNSS chipset switches off duty cycling. In such a mode, no clock
	* discontinuities are expected, and when supported, carrier phase should be continuous in
	* good signal conditions. All non-blocklisted, healthy constellations, satellites and
	* frequency bands that the chipset supports must be reported in this mode. The GNSS chipset
	* will consume more power in full tracking mode than in duty cycling mode. If false,
	* GNSS chipset optimizes power via duty cycling, constellations and frequency limits, etc.
	*
	* <p>Full GNSS tracking mode affects GnssMeasurement and other GNSS functionalities
	* including GNSS location.
	*
	* <p>Full tracking requests always override non-full tracking requests. If any full
	* tracking request occurs, all listeners on the device will receive full tracking GNSS
	* measurements.
	*/
	@NonNull public Builder setFullTracking(boolean value) {
	mFullTracking = value;
	return this;
	}

	/**
	* Set the time interval between the reported measurements in milliseconds, which is 0 by
	* default. The request interval may be set to {@link #PASSIVE_INTERVAL} which indicates
	* this request will not actively generate GNSS measurement updates, but may receive
	* GNSS measurement updates generated as a result of other GNSS measurement requests.
	*
	* <p>An interval of 0 milliseconds means the fastest rate the chipset can report.
	*
	* <p>The GNSS chipset may report measurements with a rate faster than requested.
	*
	* <p class="note">Note that on Android T, a request interval of {@link #PASSIVE_INTERVAL}
	* will first trigger one GNSS measurement. Another GNSS measurement will be triggered after
	* {@link #PASSIVE_INTERVAL} milliseconds and so on.
	*/
	@NonNull public Builder setIntervalMillis(@IntRange(from = 0) int value) {
	mIntervalMillis = Preconditions.checkArgumentInRange(value, 0, Integer.MAX_VALUE,
	"intervalMillis");
	return this;
	}

	/**
	* Sets the work source to use for power blame for this request. Passing in null or leaving
	* it unset will be an empty WorkSource, which implies the system is free to assign power
	* blame as it determines best for this request (which usually means blaming the owner of
	* the GnssMeasurement listener).
	*
	* <p>Permissions enforcement occurs when resulting request is actually used, not when this
	* method is invoked.
	*
	* @hide
	*/
	@SystemApi
	@RequiresPermission(Manifest.permission.UPDATE_DEVICE_STATS)
	public @NonNull Builder setWorkSource(@Nullable WorkSource workSource) {
	mWorkSource = workSource;
	return this;
	}

	/** Builds a {@link GnssMeasurementRequest} instance as specified by this builder. */
	@NonNull
	public GnssMeasurementRequest build() {
	return new GnssMeasurementRequest(mFullTracking, mCorrelationVectorOutputsEnabled,
	mIntervalMillis, new WorkSource(mWorkSource));
	}
	}
	}