Merge "Define emergency alert parcelable classes" into main
diff --git a/core/java/android/hardware/radio/RadioAlert.aidl b/core/java/android/hardware/radio/RadioAlert.aidl
new file mode 100644
index 0000000..17f4fc7
--- /dev/null
+++ b/core/java/android/hardware/radio/RadioAlert.aidl
@@ -0,0 +1,20 @@
+/**
+ * Copyright (C) 2024 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.hardware.radio;
+
+/** @hide */
+parcelable RadioAlert;
\ No newline at end of file
diff --git a/core/java/android/hardware/radio/RadioAlert.java b/core/java/android/hardware/radio/RadioAlert.java
new file mode 100644
index 0000000..b55dcd8
--- /dev/null
+++ b/core/java/android/hardware/radio/RadioAlert.java
@@ -0,0 +1,505 @@
+/**
+ * Copyright (C) 2024 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.hardware.radio;
+
+import android.annotation.FlaggedApi;
+import android.annotation.Nullable;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import androidx.annotation.NonNull;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Emergency Alert Message
+ *
+ * <p>Alert message can be sent from a radio station of technologies such as HD radio to
+ * the radio users for some emergency events (see ITU-T X.1303 bis for more info).
+ * @hide
+ */
+@FlaggedApi(Flags.FLAG_HD_RADIO_EMERGENCY_ALERT_SYSTEM)
+public final class RadioAlert implements Parcelable {
+
+    public static final class Geocode implements Parcelable {
+
+        private final String mValueName;
+        private final String mValue;
+
+        /**
+         * Constructor of geocode.
+         *
+         * @param valueName Name of geocode value
+         * @param value Value of geocode
+         * @hide
+         */
+        public Geocode(@NonNull String valueName, @NonNull String value) {
+            mValueName = Objects.requireNonNull(valueName, "Geocode value name can not be null");
+            mValue = Objects.requireNonNull(value, "Geocode value can not be null");
+        }
+
+        private Geocode(Parcel in) {
+            mValueName = in.readString8();
+            mValue = in.readString8();
+        }
+
+        public static final @NonNull Creator<Geocode> CREATOR = new Creator<Geocode>() {
+            @Override
+            public Geocode createFromParcel(Parcel in) {
+                return new Geocode(in);
+            }
+
+            @Override
+            public Geocode[] newArray(int size) {
+                return new Geocode[size];
+            }
+        };
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(@NonNull Parcel dest, int flags) {
+            dest.writeString8(mValueName);
+            dest.writeString8(mValue);
+        }
+
+        @NonNull
+        @Override
+        public String toString() {
+            return "Gecode [valueName=" + mValueName + ", value=" + mValue + "]";
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(mValueName, mValue);
+        }
+
+        @Override
+        public boolean equals(@Nullable Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (!(obj instanceof Geocode other)) {
+                return false;
+            }
+
+            return Objects.equals(mValueName, other.mValueName)
+                    && Objects.equals(mValue, other.mValue);
+        }
+    }
+
+    public static final class Coordinate implements Parcelable {
+        private final double mLatitude;
+        private final double mLongitude;
+
+        /**
+         * Constructor of coordinate.
+         *
+         * @param latitude Latitude of the coordinate
+         * @param longitude Longitude of the coordinate
+         * @hide
+         */
+        public Coordinate(double latitude, double longitude) {
+            if (latitude < -90.0 || latitude > 90.0) {
+                throw new IllegalArgumentException("Latitude value should be between -90 and 90");
+            }
+            if (longitude < -180.0 || longitude > 180.0) {
+                throw new IllegalArgumentException(
+                        "Longitude value should be between -180 and 180");
+            }
+            mLatitude = latitude;
+            mLongitude = longitude;
+        }
+
+        private Coordinate(Parcel in) {
+            mLatitude = in.readDouble();
+            mLongitude = in.readDouble();
+        }
+
+        public static final @NonNull Creator<Coordinate> CREATOR = new Creator<Coordinate>() {
+            @Override
+            public Coordinate createFromParcel(Parcel in) {
+                return new Coordinate(in);
+            }
+
+            @Override
+            public Coordinate[] newArray(int size) {
+                return new Coordinate[size];
+            }
+        };
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(@NonNull Parcel dest, int flags) {
+            dest.writeDouble(mLatitude);
+            dest.writeDouble(mLongitude);
+        }
+
+        @NonNull
+        @Override
+        public String toString() {
+            return "Coordinate [latitude=" + mLatitude + ", longitude=" + mLongitude + "]";
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(mLatitude, mLongitude);
+        }
+
+        @Override
+        public boolean equals(@Nullable Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (!(obj instanceof Coordinate other)) {
+                return false;
+            }
+            return mLatitude == other.mLatitude && mLongitude == other.mLongitude;
+        }
+    }
+
+    public static final class Polygon implements Parcelable {
+
+        private final List<Coordinate> mCoordinates;
+
+        /**
+         * Constructor of polygon.
+         *
+         * @param coordinates Coordinates the polygon is composed of
+         * @hide
+         */
+        public Polygon(@NonNull List<Coordinate> coordinates) {
+            Objects.requireNonNull(coordinates, "Coordinates can not be null");
+            if (coordinates.size() < 4) {
+                throw new IllegalArgumentException("Number of coordinates must be at least 4");
+            }
+            if (!coordinates.get(0).equals(coordinates.get(coordinates.size() - 1))) {
+                throw new IllegalArgumentException(
+                        "The last and first coordinates must be the same");
+            }
+            mCoordinates = coordinates;
+        }
+
+        private Polygon(Parcel in) {
+            mCoordinates = new ArrayList<>();
+            in.readTypedList(mCoordinates, Coordinate.CREATOR);
+        }
+
+        public static final @NonNull Creator<Polygon> CREATOR = new Creator<Polygon>() {
+            @Override
+            public Polygon createFromParcel(Parcel in) {
+                return new Polygon(in);
+            }
+
+            @Override
+            public Polygon[] newArray(int size) {
+                return new Polygon[size];
+            }
+        };
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(@NonNull Parcel dest, int flags) {
+            dest.writeTypedList(mCoordinates);
+        }
+
+        @NonNull
+        @Override
+        public String toString() {
+            return "Polygon [coordinates=" + mCoordinates + "]";
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(mCoordinates);
+        }
+
+        @Override
+        public boolean equals(@Nullable Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (!(obj instanceof Polygon other)) {
+                return false;
+            }
+            return mCoordinates.equals(other.mCoordinates);
+        }
+    }
+
+    public static final class AlertArea implements Parcelable {
+
+        private final List<Polygon> mPolygons;
+        private final List<Geocode> mGeocodes;
+
+        /**
+         * Constructor of alert area.
+         *
+         * @param polygons Polygons used in alert area
+         * @param geocodes Geocodes used in alert area
+         * @hide
+         */
+        public AlertArea(@NonNull List<Polygon> polygons, @NonNull List<Geocode> geocodes) {
+            mPolygons = Objects.requireNonNull(polygons, "Polygons can not be null");
+            mGeocodes = Objects.requireNonNull(geocodes, "Geocodes can not be null");
+        }
+
+        private AlertArea(Parcel in) {
+            mPolygons = new ArrayList<>();
+            mGeocodes = new ArrayList<>();
+            in.readTypedList(mPolygons, Polygon.CREATOR);
+            in.readTypedList(mGeocodes, Geocode.CREATOR);
+        }
+
+        public static final @NonNull Creator<AlertArea> CREATOR = new Creator<AlertArea>() {
+            @Override
+            public AlertArea createFromParcel(Parcel in) {
+                return new AlertArea(in);
+            }
+
+            @Override
+            public AlertArea[] newArray(int size) {
+                return new AlertArea[size];
+            }
+        };
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(@NonNull Parcel dest, int flags) {
+            dest.writeTypedList(mPolygons);
+            dest.writeTypedList(mGeocodes);
+        }
+
+        @NonNull
+        @Override
+        public String toString() {
+            return "AlertArea [polygons=" + mPolygons + ", geocodes=" + mGeocodes + "]";
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(mPolygons, mGeocodes);
+        }
+
+        @Override
+        public boolean equals(@Nullable Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (!(obj instanceof AlertArea other)) {
+                return false;
+            }
+
+            return mPolygons.equals(other.mPolygons) && mGeocodes.equals(other.mGeocodes);
+        }
+    }
+
+    public static final class AlertInfo implements Parcelable {
+
+        private final List<Integer> mCategoryList;
+        private final int mUrgency;
+        private final int mSeverity;
+        private final int mCertainty;
+        private final String mTextualMessage;
+        private final List<AlertArea> mAreaList;
+
+        /**
+         * Constructor for alert info.
+         *
+         * @param categoryList Array of categories of the subject event of the alert message
+         * @param urgency The urgency of the subject event of the alert message
+         * @param severity The severity of the subject event of the alert message
+         * @param certainty The certainty of the subject event of the alert message
+         * @param textualMessage Textual descriptions of the subject event
+         * @param areaList The array of geographic areas to which the alert info segment in which
+         *                 it appears applies
+         * @hide
+         */
+        public AlertInfo(@NonNull List<Integer> categoryList, int urgency,
+                int severity, int certainty,
+                String textualMessage, @NonNull List<AlertArea> areaList) {
+            mCategoryList = Objects.requireNonNull(categoryList, "Category list can not be null");
+            mUrgency = urgency;
+            mSeverity = severity;
+            mCertainty = certainty;
+            mTextualMessage = textualMessage;
+            mAreaList = Objects.requireNonNull(areaList, "Area list can not be null");
+        }
+
+        private AlertInfo(Parcel in) {
+            mCategoryList = in.readArrayList(Integer.class.getClassLoader(), Integer.class);
+            mUrgency = in.readInt();
+            mSeverity = in.readInt();
+            mCertainty = in.readInt();
+            mTextualMessage = in.readString8();
+            mAreaList = new ArrayList<>();
+            in.readTypedList(mAreaList, AlertArea.CREATOR);
+        }
+
+        public static final @NonNull Creator<AlertInfo> CREATOR = new Creator<AlertInfo>() {
+            @Override
+            public AlertInfo createFromParcel(Parcel in) {
+                return new AlertInfo(in);
+            }
+
+            @Override
+            public AlertInfo[] newArray(int size) {
+                return new AlertInfo[size];
+            }
+        };
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(@NonNull Parcel dest, int flags) {
+            dest.writeList(mCategoryList);
+            dest.writeInt(mUrgency);
+            dest.writeInt(mSeverity);
+            dest.writeInt(mCertainty);
+            dest.writeString8(mTextualMessage);
+            dest.writeTypedList(mAreaList);
+        }
+
+        @NonNull
+        @Override
+        public String toString() {
+            return "AlertInfo [categoryList=" + mCategoryList + ", urgency=" + mUrgency
+                    + ", severity=" + mSeverity + ", certainty=" + mCertainty
+                    + ", textualMessage=" + mTextualMessage + ", areaList=" + mAreaList + "]";
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(mCategoryList, mUrgency, mSeverity, mCertainty, mTextualMessage,
+                    mAreaList);
+        }
+
+        @Override
+        public boolean equals(@Nullable Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (!(obj instanceof AlertInfo other)) {
+                return false;
+            }
+
+            return mCategoryList.equals(other.mCategoryList) && mUrgency == other.mUrgency
+                    && mSeverity == other.mSeverity && mCertainty == other.mCertainty
+                    && mTextualMessage.equals(other.mTextualMessage)
+                    && mAreaList.equals(other.mAreaList);
+        }
+    }
+
+    private final int mStatus;
+    private final int mMessageType;
+    private final List<AlertInfo> mInfoList;
+    private final int mScope;
+
+    /**
+     * Constructor of radio alert message.
+     *
+     * @param status Status of alert message
+     * @param messageType Message type of alert message
+     * @param infoList List of alert info
+     * @param scope Scope of alert message
+     * @hide
+     */
+    public RadioAlert(int status, int messageType,
+            @NonNull List<AlertInfo> infoList, int scope) {
+        mStatus = status;
+        mMessageType = messageType;
+        mInfoList = Objects.requireNonNull(infoList, "Alert info list can not be null");
+        mScope = scope;
+    }
+
+    private RadioAlert(Parcel in) {
+        mStatus = in.readInt();
+        mMessageType = in.readInt();
+        mInfoList = in.readParcelableList(new ArrayList<>(), AlertInfo.class.getClassLoader(),
+                AlertInfo.class);
+        mScope = in.readInt();
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeInt(mStatus);
+        dest.writeInt(mMessageType);
+        dest.writeParcelableList(mInfoList, /* flags= */ 0);
+        dest.writeInt(mScope);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return "RadioAlert [status=" + mStatus + ", messageType=" + mMessageType
+                + ", infoList= " + mInfoList + ", scope=" + mScope + "]";
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mStatus, mMessageType, mInfoList, mScope);
+    }
+
+    @Override
+    public boolean equals(@Nullable Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof RadioAlert other)) {
+            return false;
+        }
+
+        return mStatus == other.mStatus && mMessageType == other.mMessageType
+                && mInfoList.equals(other.mInfoList) && mScope == other.mScope;
+    }
+
+    public static final @NonNull Creator<RadioAlert> CREATOR = new Creator<RadioAlert>() {
+        @Override
+        public RadioAlert createFromParcel(Parcel in) {
+            return new RadioAlert(in);
+        }
+
+        @Override
+        public RadioAlert[] newArray(int size) {
+            return new RadioAlert[size];
+        }
+    };
+}