| /* |
| * Copyright (C) 2014 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.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import com.android.internal.util.Preconditions; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * A class implementing a container for data associated with a measurement event. |
| * Events are delivered to registered instances of {@link Callback}. |
| */ |
| public final class GnssMeasurementsEvent implements Parcelable { |
| private final GnssClock mClock; |
| private final List<GnssMeasurement> mMeasurements; |
| private final List<GnssAutomaticGainControl> mGnssAgcs; |
| |
| /** |
| * Used for receiving GNSS satellite measurements from the GNSS engine. |
| * Each measurement contains raw and computed data identifying a satellite. |
| * You can implement this interface and call |
| * {@link LocationManager#registerGnssMeasurementsCallback}. |
| */ |
| public static abstract class Callback { |
| /** |
| * The status of the GNSS measurements event. |
| * @deprecated Do not use. |
| * @hide |
| */ |
| @Deprecated |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({STATUS_NOT_SUPPORTED, STATUS_READY, STATUS_LOCATION_DISABLED, STATUS_NOT_ALLOWED}) |
| public @interface GnssMeasurementsStatus {} |
| |
| /** |
| * The system does not support tracking of GNSS Measurements. |
| * |
| * <p>This status will not change in the future. |
| * |
| * @deprecated Do not use. |
| */ |
| @Deprecated |
| public static final int STATUS_NOT_SUPPORTED = 0; |
| |
| /** |
| * GNSS Measurements are successfully being tracked, it will receive updates once they are |
| * available. |
| * |
| * @deprecated Do not use. |
| */ |
| @Deprecated |
| public static final int STATUS_READY = 1; |
| |
| /** |
| * GPS provider or Location is disabled, updates will not be received until they are |
| * enabled. |
| * |
| * @deprecated Do not use. |
| */ |
| @Deprecated |
| public static final int STATUS_LOCATION_DISABLED = 2; |
| |
| /** |
| * The client is not allowed to register for GNSS Measurements in general or in the |
| * requested mode. |
| * |
| * <p>Such a status is returned when a client tries to request a functionality from the GNSS |
| * chipset while another client has an ongoing request that does not allow such |
| * functionality to be performed. |
| * |
| * <p>If such a status is received, one would try again at a later time point where no |
| * other client is having a conflicting request. |
| * |
| * @deprecated Do not use. |
| */ |
| @Deprecated |
| public static final int STATUS_NOT_ALLOWED = 3; |
| |
| /** |
| * Reports the latest collected GNSS Measurements. |
| */ |
| public void onGnssMeasurementsReceived(GnssMeasurementsEvent eventArgs) {} |
| |
| /** |
| * Reports the latest status of the GNSS Measurements sub-system. |
| * |
| * @deprecated Do not rely on this callback. From Android S onwards this callback will be |
| * invoked once with {@link #STATUS_READY} in all cases for backwards compatibility, and |
| * then never invoked again. Use LocationManager APIs if you need to determine if |
| * GNSS measurements are supported or if location is off, etc... |
| */ |
| @Deprecated |
| public void onStatusChanged(@GnssMeasurementsStatus int status) {} |
| } |
| |
| /** |
| * Create a {@link GnssMeasurementsEvent} instance with a full list of parameters. |
| */ |
| private GnssMeasurementsEvent(@NonNull GnssClock clock, |
| @NonNull List<GnssMeasurement> measurements, |
| @NonNull List<GnssAutomaticGainControl> agcs) { |
| mMeasurements = measurements; |
| mGnssAgcs = agcs; |
| mClock = clock; |
| } |
| |
| /** |
| * Gets the GNSS receiver clock information associated with the measurements for the current |
| * event. |
| */ |
| @NonNull |
| public GnssClock getClock() { |
| return mClock; |
| } |
| |
| /** |
| * Gets the collection of measurements associated with the current event. |
| */ |
| @NonNull |
| public Collection<GnssMeasurement> getMeasurements() { |
| return mMeasurements; |
| } |
| |
| /** |
| * Gets the collection of {@link GnssAutomaticGainControl} associated with the |
| * current event. |
| */ |
| @NonNull |
| public Collection<GnssAutomaticGainControl> getGnssAutomaticGainControls() { |
| return mGnssAgcs; |
| } |
| |
| public static final @android.annotation.NonNull Creator<GnssMeasurementsEvent> CREATOR = |
| new Creator<GnssMeasurementsEvent>() { |
| @Override |
| public GnssMeasurementsEvent createFromParcel(Parcel in) { |
| GnssClock clock = in.readParcelable(getClass().getClassLoader(), android.location.GnssClock.class); |
| List<GnssMeasurement> measurements = in.createTypedArrayList(GnssMeasurement.CREATOR); |
| List<GnssAutomaticGainControl> agcs = in.createTypedArrayList( |
| GnssAutomaticGainControl.CREATOR); |
| return new GnssMeasurementsEvent(clock, measurements, agcs); |
| } |
| |
| @Override |
| public GnssMeasurementsEvent[] newArray(int size) { |
| return new GnssMeasurementsEvent[size]; |
| } |
| }; |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel parcel, int flags) { |
| parcel.writeParcelable(mClock, flags); |
| parcel.writeTypedList(mMeasurements); |
| parcel.writeTypedList(mGnssAgcs); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder builder = new StringBuilder("GnssMeasurementsEvent["); |
| builder.append(mClock); |
| builder.append(' ').append(mMeasurements.toString()); |
| builder.append(' ').append(mGnssAgcs.toString()); |
| builder.append("]"); |
| return builder.toString(); |
| } |
| |
| /** Builder for {@link GnssMeasurementsEvent} */ |
| public static final class Builder { |
| private GnssClock mClock; |
| private List<GnssMeasurement> mMeasurements; |
| private List<GnssAutomaticGainControl> mGnssAgcs; |
| |
| /** |
| * Constructs a {@link GnssMeasurementsEvent.Builder} instance. |
| */ |
| public Builder() { |
| mClock = new GnssClock(); |
| mMeasurements = new ArrayList<>(); |
| mGnssAgcs = new ArrayList<>(); |
| } |
| |
| /** |
| * Constructs a {@link GnssMeasurementsEvent.Builder} instance by copying a |
| * {@link GnssMeasurementsEvent}. |
| */ |
| public Builder(@NonNull GnssMeasurementsEvent event) { |
| mClock = event.getClock(); |
| mMeasurements = (List<GnssMeasurement>) event.getMeasurements(); |
| mGnssAgcs = (List<GnssAutomaticGainControl>) event.getGnssAutomaticGainControls(); |
| } |
| |
| /** |
| * Sets the {@link GnssClock}. |
| */ |
| @NonNull |
| public Builder setClock(@NonNull GnssClock clock) { |
| Preconditions.checkNotNull(clock); |
| mClock = clock; |
| return this; |
| } |
| |
| /** |
| * Sets the collection of {@link GnssMeasurement}. |
| * |
| * This API exists for JNI since it is easier for JNI to work with an array than a |
| * collection. |
| * @hide |
| */ |
| @NonNull |
| public Builder setMeasurements(@Nullable GnssMeasurement... measurements) { |
| mMeasurements = measurements == null ? Collections.emptyList() : Arrays.asList( |
| measurements); |
| return this; |
| } |
| |
| /** |
| * Sets the collection of {@link GnssMeasurement}. |
| */ |
| @NonNull |
| public Builder setMeasurements(@NonNull Collection<GnssMeasurement> measurements) { |
| mMeasurements = new ArrayList<>(measurements); |
| return this; |
| } |
| |
| /** |
| * Sets the collection of {@link GnssAutomaticGainControl}. |
| * |
| * This API exists for JNI since it is easier for JNI to work with an array than a |
| * collection. |
| * @hide |
| */ |
| @NonNull |
| public Builder setGnssAutomaticGainControls(@Nullable GnssAutomaticGainControl... agcs) { |
| mGnssAgcs = agcs == null ? Collections.emptyList() : Arrays.asList(agcs); |
| return this; |
| } |
| |
| /** |
| * Sets the collection of {@link GnssAutomaticGainControl}. |
| */ |
| @NonNull |
| public Builder setGnssAutomaticGainControls( |
| @NonNull Collection<GnssAutomaticGainControl> agcs) { |
| mGnssAgcs = new ArrayList<>(agcs); |
| return this; |
| } |
| |
| /** Builds a {@link GnssMeasurementsEvent} instance as specified by this builder. */ |
| @NonNull |
| public GnssMeasurementsEvent build() { |
| return new GnssMeasurementsEvent(mClock, mMeasurements, mGnssAgcs); |
| } |
| } |
| } |