/*
 * Copyright (C) 2006 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.provider;

import android.Manifest;
import android.annotation.CallbackExecutor;
import android.annotation.IntDef;
import android.annotation.LongDef;
import android.annotation.NonNull;
import android.annotation.RequiresPermission;
import android.annotation.SuppressLint;
import android.annotation.SystemApi;
import android.annotation.UserHandleAware;
import android.compat.annotation.UnsupportedAppUsage;
import android.content.ContentProvider;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.pm.UserInfo;
import android.database.Cursor;
import android.location.Country;
import android.location.CountryDetector;
import android.net.Uri;
import android.os.Build;
import android.os.OutcomeReceiver;
import android.os.ParcelFileDescriptor;
import android.os.ParcelableException;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.ContactsContract.CommonDataKinds.Callable;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Data;
import android.provider.ContactsContract.DataUsageFeedback;
import android.telecom.CallerInfo;
import android.telecom.PhoneAccount;
import android.telecom.PhoneAccountHandle;
import android.telecom.TelecomManager;
import android.telephony.PhoneNumberUtils;
import android.text.TextUtils;
import android.util.Log;

import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.Executor;

/**
 * The CallLog provider contains information about placed and received calls.
 */
public class CallLog {
    private static final String LOG_TAG = "CallLog";
    private static final boolean VERBOSE_LOG = false; // DON'T SUBMIT WITH TRUE.

    public static final String AUTHORITY = "call_log";

    /**
     * The content:// style URL for this provider
     */
    public static final Uri CONTENT_URI =
        Uri.parse("content://" + AUTHORITY);

    /** @hide */
    public static final String CALL_COMPOSER_SEGMENT = "call_composer";

    /** @hide */
    public static final Uri CALL_COMPOSER_PICTURE_URI =
            CONTENT_URI.buildUpon().appendPath(CALL_COMPOSER_SEGMENT).build();

    /**
     * The "shadow" provider stores calllog when the real calllog provider is encrypted.  The
     * real provider will alter copy from it when it starts, and remove the entries in the shadow.
     *
     * <p>See the comment in {@link Calls#addCall} for the details.
     *
     * @hide
     */
    public static final String SHADOW_AUTHORITY = "call_log_shadow";

    /** @hide */
    public static final Uri SHADOW_CALL_COMPOSER_PICTURE_URI = CALL_COMPOSER_PICTURE_URI.buildUpon()
            .authority(SHADOW_AUTHORITY).build();

    /**
     * Describes an error encountered while storing a call composer picture in the call log.
     * @hide
     */
    @SystemApi
    public static class CallComposerLoggingException extends Throwable {
        /**
         * Indicates an unknown error.
         */
        public static final int ERROR_UNKNOWN = 0;

        /**
         * Indicates that the process hosting the call log died or otherwise encountered an
         * unrecoverable error while storing the picture.
         *
         * The caller should retry if this error is encountered.
         */
        public static final int ERROR_REMOTE_END_CLOSED = 1;

        /**
         * Indicates that the device has insufficient space to store this picture.
         *
         * The caller should not retry if this error is encountered.
         */
        public static final int ERROR_STORAGE_FULL = 2;

        /**
         * Indicates that the {@link InputStream} passed to {@link #storeCallComposerPicture}
         * was closed.
         *
         * The caller should retry if this error is encountered, and be sure to not close the stream
         * before the callback is called this time.
         */
        public static final int ERROR_INPUT_CLOSED = 3;

        /** @hide */
        @IntDef(prefix = {"ERROR_"}, value = {
                ERROR_UNKNOWN,
                ERROR_REMOTE_END_CLOSED,
                ERROR_STORAGE_FULL,
                ERROR_INPUT_CLOSED,
        })
        @Retention(RetentionPolicy.SOURCE)
        public @interface CallComposerLoggingError { }

        private final int mErrorCode;

        public CallComposerLoggingException(@CallComposerLoggingError int errorCode) {
            mErrorCode = errorCode;
        }

        /**
         * @return The error code for this exception.
         */
        public @CallComposerLoggingError int getErrorCode() {
            return mErrorCode;
        }

        @Override
        public String toString() {
            String errorString;
            switch (mErrorCode) {
                case ERROR_UNKNOWN:
                    errorString = "UNKNOWN";
                    break;
                case ERROR_REMOTE_END_CLOSED:
                    errorString = "REMOTE_END_CLOSED";
                    break;
                case ERROR_STORAGE_FULL:
                    errorString = "STORAGE_FULL";
                    break;
                case ERROR_INPUT_CLOSED:
                    errorString = "INPUT_CLOSED";
                    break;
                default:
                    errorString = "[[" + mErrorCode + "]]";
                    break;
            }
            return "CallComposerLoggingException: " + errorString;
        }
    }

    /**
     * Supplies a call composer picture to the call log for persistent storage.
     *
     * This method is used by Telephony to store pictures selected by the user or sent from the
     * remote party as part of a voice call with call composer. The {@link Uri} supplied in the
     * callback can be used to retrieve the image via {@link ContentResolver#openFile} or stored in
     * the {@link Calls} table in the {@link Calls#COMPOSER_PHOTO_URI} column.
     *
     * The caller is responsible for closing the {@link InputStream} after the callback indicating
     * success or failure.
     *
     * @param context An instance of {@link Context}. The picture will be stored to the user
     *                corresponding to {@link Context#getUser()}.
     * @param input An input stream from which the picture to store should be read. The input data
     *              must be decodeable as either a JPEG, PNG, or GIF image.
     * @param executor The {@link Executor} on which to perform the file transfer operation and
     *                 call the supplied callback.
     * @param callback Callback that's called after the picture is successfully stored or when an
     *                 error occurs.
     * @hide
     */
    @SystemApi
    @UserHandleAware
    @RequiresPermission(allOf = {
            Manifest.permission.WRITE_CALL_LOG,
            Manifest.permission.INTERACT_ACROSS_USERS
    })
    public static void storeCallComposerPicture(@NonNull Context context,
            @NonNull InputStream input,
            @CallbackExecutor @NonNull Executor executor,
            @NonNull OutcomeReceiver<Uri, CallComposerLoggingException> callback) {
        Objects.requireNonNull(context);
        Objects.requireNonNull(input);
        Objects.requireNonNull(executor);
        Objects.requireNonNull(callback);

        executor.execute(() -> {
            ByteArrayOutputStream tmpOut = new ByteArrayOutputStream();

            // Read the entire input into memory first in case we have to write multiple times and
            // the input isn't resettable.
            byte[] buffer = new byte[1024];
            int bytesRead;
            while (true) {
                try {
                    bytesRead = input.read(buffer);
                } catch (IOException e) {
                    Log.e(LOG_TAG, "IOException while reading call composer pic from input: "
                            + e);
                    callback.onError(new CallComposerLoggingException(
                            CallComposerLoggingException.ERROR_INPUT_CLOSED));
                    return;
                }
                if (bytesRead < 0) {
                    break;
                }
                tmpOut.write(buffer, 0, bytesRead);
            }
            byte[] picData = tmpOut.toByteArray();

            UserManager userManager = context.getSystemService(UserManager.class);
            UserHandle user = context.getUser();
            // Nasty casework for the shadow calllog begins...
            // First see if we're just inserting for one user. If so, insert into the shadow
            // based on whether that user is unlocked.
            UserHandle realUser = UserHandle.CURRENT.equals(user)
                    ? android.os.Process.myUserHandle() : user;
            if (realUser != UserHandle.ALL) {
                Uri baseUri = userManager.isUserUnlocked(realUser) ? CALL_COMPOSER_PICTURE_URI
                        : SHADOW_CALL_COMPOSER_PICTURE_URI;
                Uri pictureInsertionUri = ContentProvider.maybeAddUserId(baseUri,
                        realUser.getIdentifier());
                Log.i(LOG_TAG, "Inserting call composer for single user at "
                        + pictureInsertionUri);

                try {
                    Uri result = storeCallComposerPictureAtUri(
                            context, pictureInsertionUri, false, picData);
                    callback.onResult(result);
                } catch (CallComposerLoggingException e) {
                    callback.onError(e);
                }
                return;
            }

            // Next, see if the system user is locked. If so, only insert to the system shadow
            if (!userManager.isUserUnlocked(UserHandle.SYSTEM)) {
                Uri pictureInsertionUri = ContentProvider.maybeAddUserId(
                        SHADOW_CALL_COMPOSER_PICTURE_URI,
                        UserHandle.SYSTEM.getIdentifier());
                Log.i(LOG_TAG, "Inserting call composer for all users, but system locked at "
                        + pictureInsertionUri);
                try {
                    Uri result =
                            storeCallComposerPictureAtUri(context, pictureInsertionUri,
                                    true, picData);
                    callback.onResult(result);
                } catch (CallComposerLoggingException e) {
                    callback.onError(e);
                }
                return;
            }

            // If we're inserting to all users and the system user is unlocked, then insert to all
            // running users. Non running/still locked users will copy from the system when they
            // start.
            // First, insert to the system calllog to get the basename to use for the rest of the
            // users.
            Uri systemPictureInsertionUri = ContentProvider.maybeAddUserId(
                    CALL_COMPOSER_PICTURE_URI,
                    UserHandle.SYSTEM.getIdentifier());
            Uri systemInsertedPicture;
            try {
                systemInsertedPicture =
                        storeCallComposerPictureAtUri(context, systemPictureInsertionUri,
                                true, picData);
                Log.i(LOG_TAG, "Inserting call composer for all users, succeeded with system,"
                        + " result is " + systemInsertedPicture);
            } catch (CallComposerLoggingException e) {
                callback.onError(e);
                return;
            }

            // Next, insert into all users that have call log access AND are running AND are
            // decrypted.
            Uri strippedInsertionUri = ContentProvider.getUriWithoutUserId(systemInsertedPicture);
            for (UserInfo u : userManager.getAliveUsers()) {
                UserHandle userHandle = u.getUserHandle();
                if (userHandle.isSystem()) {
                    // Already written.
                    continue;
                }

                if (!Calls.shouldHaveSharedCallLogEntries(
                        context, userManager, userHandle.getIdentifier())) {
                    // Shouldn't have calllog entries.
                    continue;
                }

                if (userManager.isUserRunning(userHandle)
                        && userManager.isUserUnlocked(userHandle)) {
                    Uri insertionUri = ContentProvider.maybeAddUserId(strippedInsertionUri,
                            userHandle.getIdentifier());
                    Log.i(LOG_TAG, "Inserting call composer for all users, now on user "
                            + userHandle + " inserting at " + insertionUri);
                    try {
                        storeCallComposerPictureAtUri(context, insertionUri, false, picData);
                    } catch (CallComposerLoggingException e) {
                        Log.e(LOG_TAG, "Error writing for user " + userHandle.getIdentifier()
                                + ": " + e);
                        // If one or more users failed but the system user succeeded, don't return
                        // an error -- the image is still around somewhere, and we'll be able to
                        // find it in the system user's call log if needed.
                    }
                }
            }
            callback.onResult(strippedInsertionUri);
        });
    }

    private static Uri storeCallComposerPictureAtUri(
            Context context, Uri insertionUri,
            boolean forAllUsers, byte[] picData) throws CallComposerLoggingException {
        Uri pictureFileUri;
        try {
            ContentValues cv = new ContentValues();
            cv.put(Calls.ADD_FOR_ALL_USERS, forAllUsers ? 1 : 0);
            pictureFileUri = context.getContentResolver().insert(insertionUri, cv);
        } catch (ParcelableException e) {
            // Most likely an IOException. We don't have a good way of distinguishing them so
            // just return an unknown error.
            throw new CallComposerLoggingException(CallComposerLoggingException.ERROR_UNKNOWN);
        }
        if (pictureFileUri == null) {
            // If the call log provider returns null, it means that there's not enough space
            // left to store the maximum-sized call composer image.
            throw new CallComposerLoggingException(CallComposerLoggingException.ERROR_STORAGE_FULL);
        }

        try (ParcelFileDescriptor pfd =
                     context.getContentResolver().openFileDescriptor(pictureFileUri, "w")) {
            FileOutputStream output = new FileOutputStream(pfd.getFileDescriptor());
            try {
                output.write(picData);
            } catch (IOException e) {
                Log.e(LOG_TAG, "Got IOException writing to remote end: " + e);
                // Clean up our mess if we didn't successfully write the file.
                context.getContentResolver().delete(pictureFileUri, null);
                throw new CallComposerLoggingException(
                        CallComposerLoggingException.ERROR_REMOTE_END_CLOSED);
            }
        } catch (FileNotFoundException e) {
            throw new CallComposerLoggingException(CallComposerLoggingException.ERROR_UNKNOWN);
        } catch (IOException e) {
            // Ignore, this is only thrown upon closing.
            Log.e(LOG_TAG, "Got IOException closing remote descriptor: " + e);
        }
        return pictureFileUri;
    }

    // Only call on the correct executor.
    private static void sendCallComposerError(OutcomeReceiver<?, CallComposerLoggingException> cb,
            int error) {
        cb.onError(new CallComposerLoggingException(error));
    }

    /**
     * Used as an argument to {@link Calls#addCall(Context, AddCallParams)}.
     *
     * Contains details to log about a call.
     * @hide
     */
    public static class AddCallParams {

        /**
         * Builder for the add-call parameters.
         */
        public static final class AddCallParametersBuilder {
            private CallerInfo mCallerInfo;
            private String mNumber;
            private String mPostDialDigits;
            private String mViaNumber;
            private int mPresentation = TelecomManager.PRESENTATION_UNKNOWN;
            private int mCallType = Calls.INCOMING_TYPE;
            private int mFeatures;
            private PhoneAccountHandle mAccountHandle;
            private long mStart;
            private int mDuration;
            private Long mDataUsage = Long.MIN_VALUE;
            private boolean mAddForAllUsers;
            private UserHandle mUserToBeInsertedTo;
            private boolean mIsRead;
            private int mCallBlockReason = Calls.BLOCK_REASON_NOT_BLOCKED;
            private CharSequence mCallScreeningAppName;
            private String mCallScreeningComponentName;
            private long mMissedReason = Calls.MISSED_REASON_NOT_MISSED;
            private int mPriority = Calls.PRIORITY_NORMAL;
            private String mSubject;
            private double mLatitude = Double.NaN;
            private double mLongitude = Double.NaN;
            private Uri mPictureUri;
            private int mIsPhoneAccountMigrationPending;

            /**
             * @param callerInfo the CallerInfo object to get the target contact from.
             */
            public @NonNull AddCallParametersBuilder setCallerInfo(
                    @NonNull CallerInfo callerInfo) {
                mCallerInfo = callerInfo;
                return this;
            }

            /**
             * @param number the phone number to be added to the calls db
             */
            public @NonNull AddCallParametersBuilder setNumber(@NonNull String number) {
                mNumber = number;
                return this;
            }

            /**
             * @param postDialDigits the post-dial digits that were dialed after the number,
             *        if it was outgoing. Otherwise it is ''.
             */
            public @NonNull AddCallParametersBuilder setPostDialDigits(
                    @NonNull String postDialDigits) {
                mPostDialDigits = postDialDigits;
                return this;
            }

            /**
             * @param viaNumber the secondary number that the incoming call received with. If the
             *        call was received with the SIM assigned number, then this field must be ''.
             */
            public @NonNull AddCallParametersBuilder setViaNumber(@NonNull String viaNumber) {
                mViaNumber = viaNumber;
                return this;
            }

            /**
             * @param presentation enum value from TelecomManager.PRESENTATION_xxx, which
             *        is set by the network and denotes the number presenting rules for
             *        "allowed", "payphone", "restricted" or "unknown"
             */
            public @NonNull AddCallParametersBuilder setPresentation(int presentation) {
                mPresentation = presentation;
                return this;
            }

            /**
             * @param callType enumerated values for "incoming", "outgoing", or "missed"
             */
            public @NonNull AddCallParametersBuilder setCallType(int callType) {
                mCallType = callType;
                return this;
            }

            /**
             * @param features features of the call (e.g. Video).
             */
            public @NonNull AddCallParametersBuilder setFeatures(int features) {
                mFeatures = features;
                return this;
            }

            /**
             * @param accountHandle The accountHandle object identifying the provider of the call
             */
            public @NonNull AddCallParametersBuilder setAccountHandle(
                    @NonNull PhoneAccountHandle accountHandle) {
                mAccountHandle = accountHandle;
                return this;
            }

            /**
             * @param start time stamp for the call in milliseconds
             */
            public @NonNull AddCallParametersBuilder setStart(long start) {
                mStart = start;
                return this;
            }

            /**
             * @param duration call duration in seconds
             */
            public @NonNull AddCallParametersBuilder setDuration(int duration) {
                mDuration = duration;
                return this;
            }

            /**
             * @param dataUsage data usage for the call in bytes or
             *                  {@link Long#MIN_VALUE} if data usage was not tracked
             *                  for the call.
             */
            public @NonNull AddCallParametersBuilder setDataUsage(long dataUsage) {
                mDataUsage = dataUsage;
                return this;
            }

            /**
             * @param addForAllUsers If true, the call is added to the call log of all currently
             *        running users. The caller must have the MANAGE_USERS permission if this is
             *        true.
             */
            public @NonNull AddCallParametersBuilder setAddForAllUsers(
                    boolean addForAllUsers) {
                mAddForAllUsers = addForAllUsers;
                return this;
            }

            /**
             * @param userToBeInsertedTo {@link UserHandle} of user that the call is going to be
             *                           inserted to. null if it is inserted to the current user.
             *                           The value is ignored if {@link #setAddForAllUsers} is
             *                           called with {@code true}.
             */
            @SuppressLint("UserHandleName")
            public @NonNull AddCallParametersBuilder setUserToBeInsertedTo(
                    @NonNull UserHandle userToBeInsertedTo) {
                mUserToBeInsertedTo = userToBeInsertedTo;
                return this;
            }

            /**
             * @param isRead Flag to show if the missed call log has been read by the user or not.
             *                Used for call log restore of missed calls.
             */
            public @NonNull AddCallParametersBuilder setIsRead(boolean isRead) {
                mIsRead = isRead;
                return this;
            }

            /**
             * @param callBlockReason The reason why the call is blocked.
             */
            public @NonNull AddCallParametersBuilder setCallBlockReason(int callBlockReason) {
                mCallBlockReason = callBlockReason;
                return this;
            }

            /**
             * @param callScreeningAppName The call screening application name which block the call.
             */
            public @NonNull AddCallParametersBuilder setCallScreeningAppName(
                    @NonNull CharSequence callScreeningAppName) {
                mCallScreeningAppName = callScreeningAppName;
                return this;
            }

            /**
             * @param callScreeningComponentName The call screening component name which blocked
             *                                   the call.
             */
            public @NonNull AddCallParametersBuilder setCallScreeningComponentName(
                    @NonNull String callScreeningComponentName) {
                mCallScreeningComponentName = callScreeningComponentName;
                return this;
            }

            /**
             * @param missedReason The encoded missed information of the call.
             */
            public @NonNull AddCallParametersBuilder setMissedReason(long missedReason) {
                mMissedReason = missedReason;
                return this;
            }

            /**
             * @param priority The priority of the call, either {@link Calls#PRIORITY_NORMAL}
             *                 or {@link Calls#PRIORITY_URGENT} as sent via call composer
             */
            public @NonNull AddCallParametersBuilder setPriority(int priority) {
                mPriority = priority;
                return this;
            }

            /**
             * @param subject The subject as sent via call composer.
             */
            public @NonNull AddCallParametersBuilder setSubject(@NonNull String subject) {
                mSubject = subject;
                return this;
            }

            /**
             * @param latitude Latitude of the location sent via call composer.
             */
            public @NonNull AddCallParametersBuilder setLatitude(double latitude) {
                mLatitude = latitude;
                return this;
            }

            /**
             * @param longitude Longitude of the location sent via call composer.
             */
            public @NonNull AddCallParametersBuilder setLongitude(double longitude) {
                mLongitude = longitude;
                return this;
            }

            /**
             * @param pictureUri {@link Uri} returned from {@link #storeCallComposerPicture}.
             *                   Associates that stored picture with this call in the log.
             */
            public @NonNull AddCallParametersBuilder setPictureUri(@NonNull Uri pictureUri) {
                mPictureUri = pictureUri;
                return this;
            }

            /**
             * @param isPhoneAccountMigrationPending whether the phone account migration is pending
             */
            public @NonNull AddCallParametersBuilder setIsPhoneAccountMigrationPending(
                    int isPhoneAccountMigrationPending) {
                mIsPhoneAccountMigrationPending = isPhoneAccountMigrationPending;
                return this;
            }

            /**
             * Builds the object
             */
            public @NonNull AddCallParams build() {
                return new AddCallParams(mCallerInfo, mNumber, mPostDialDigits, mViaNumber,
                        mPresentation, mCallType, mFeatures, mAccountHandle, mStart, mDuration,
                        mDataUsage, mAddForAllUsers, mUserToBeInsertedTo, mIsRead, mCallBlockReason,
                        mCallScreeningAppName, mCallScreeningComponentName, mMissedReason,
                        mPriority, mSubject, mLatitude, mLongitude, mPictureUri,
                        mIsPhoneAccountMigrationPending);
            }
        }

        private CallerInfo mCallerInfo;
        private String mNumber;
        private String mPostDialDigits;
        private String mViaNumber;
        private int mPresentation;
        private int mCallType;
        private int mFeatures;
        private PhoneAccountHandle mAccountHandle;
        private long mStart;
        private int mDuration;
        private long mDataUsage;
        private boolean mAddForAllUsers;
        private UserHandle mUserToBeInsertedTo;
        private boolean mIsRead;
        private int mCallBlockReason;
        private CharSequence mCallScreeningAppName;
        private String mCallScreeningComponentName;
        private long mMissedReason;
        private int mPriority;
        private String mSubject;
        private double mLatitude = Double.NaN;
        private double mLongitude = Double.NaN;
        private Uri mPictureUri;
        private int mIsPhoneAccountMigrationPending;

        private AddCallParams(CallerInfo callerInfo, String number, String postDialDigits,
                String viaNumber, int presentation, int callType, int features,
                PhoneAccountHandle accountHandle, long start, int duration, long dataUsage,
                boolean addForAllUsers, UserHandle userToBeInsertedTo, boolean isRead,
                int callBlockReason,
                CharSequence callScreeningAppName, String callScreeningComponentName,
                long missedReason,
                int priority, String subject, double latitude, double longitude, Uri pictureUri,
                int isPhoneAccountMigrationPending) {
            mCallerInfo = callerInfo;
            mNumber = number;
            mPostDialDigits = postDialDigits;
            mViaNumber = viaNumber;
            mPresentation = presentation;
            mCallType = callType;
            mFeatures = features;
            mAccountHandle = accountHandle;
            mStart = start;
            mDuration = duration;
            mDataUsage = dataUsage;
            mAddForAllUsers = addForAllUsers;
            mUserToBeInsertedTo = userToBeInsertedTo;
            mIsRead = isRead;
            mCallBlockReason = callBlockReason;
            mCallScreeningAppName = callScreeningAppName;
            mCallScreeningComponentName = callScreeningComponentName;
            mMissedReason = missedReason;
            mPriority = priority;
            mSubject = subject;
            mLatitude = latitude;
            mLongitude = longitude;
            mPictureUri = pictureUri;
            mIsPhoneAccountMigrationPending = isPhoneAccountMigrationPending;
        }

    }

    /**
     * Contains the recent calls.
     * <p>
     * Note: If you want to query the call log and limit the results to a single value, you should
     * append the {@link #LIMIT_PARAM_KEY} parameter to the content URI.  For example:
     * <pre>
     * {@code
     * getContentResolver().query(
     *                 Calls.CONTENT_URI.buildUpon().appendQueryParameter(LIMIT_PARAM_KEY, "1")
     *                 .build(),
     *                 null, null, null, null);
     * }
     * </pre>
     * <p>
     * The call log provider enforces strict SQL grammar, so you CANNOT append "LIMIT" to the SQL
     * query as below:
     * <pre>
     * {@code
     * getContentResolver().query(Calls.CONTENT_URI, null, "LIMIT 1", null, null);
     * }
     * </pre>
     */
    public static class Calls implements BaseColumns {
        /**
         * The content:// style URL for this table
         */
        public static final Uri CONTENT_URI =
                Uri.parse("content://call_log/calls");

        /** @hide */
        public static final Uri SHADOW_CONTENT_URI =
                Uri.parse("content://call_log_shadow/calls");

        /**
         * The content:// style URL for filtering this table on phone numbers
         */
        public static final Uri CONTENT_FILTER_URI =
                Uri.parse("content://call_log/calls/filter");

        /**
         * Query parameter used to limit the number of call logs returned.
         * <p>
         * TYPE: integer
         */
        public static final String LIMIT_PARAM_KEY = "limit";

        /**
         * Form of {@link #CONTENT_URI} which limits the query results to a single result.
         */
        private static final Uri CONTENT_URI_LIMIT_1 = CONTENT_URI.buildUpon()
                .appendQueryParameter(LIMIT_PARAM_KEY, "1")
                .build();

        /**
         * Query parameter used to specify the starting record to return.
         * <p>
         * TYPE: integer
         */
        public static final String OFFSET_PARAM_KEY = "offset";

        /**
         * An optional URI parameter which instructs the provider to allow the operation to be
         * applied to voicemail records as well.
         * <p>
         * TYPE: Boolean
         * <p>
         * Using this parameter with a value of {@code true} will result in a security error if the
         * calling package does not have appropriate permissions to access voicemails.
         *
         * @hide
         */
        public static final String ALLOW_VOICEMAILS_PARAM_KEY = "allow_voicemails";

        /**
         * An optional extra used with {@link #CONTENT_TYPE Calls.CONTENT_TYPE} and
         * {@link Intent#ACTION_VIEW} to specify that the presented list of calls should be
         * filtered for a particular call type.
         *
         * Applications implementing a call log UI should check for this extra, and display a
         * filtered list of calls based on the specified call type. If not applicable within the
         * application's UI, it should be silently ignored.
         *
         * <p>
         * The following example brings up the call log, showing only missed calls.
         * <pre>
         * Intent intent = new Intent(Intent.ACTION_VIEW);
         * intent.setType(CallLog.Calls.CONTENT_TYPE);
         * intent.putExtra(CallLog.Calls.EXTRA_CALL_TYPE_FILTER, CallLog.Calls.MISSED_TYPE);
         * startActivity(intent);
         * </pre>
         * </p>
         */
        public static final String EXTRA_CALL_TYPE_FILTER =
                "android.provider.extra.CALL_TYPE_FILTER";

        /**
         * Content uri used to access call log entries, including voicemail records. You must have
         * the READ_CALL_LOG and WRITE_CALL_LOG permissions to read and write to the call log, as
         * well as READ_VOICEMAIL and WRITE_VOICEMAIL permissions to read and write voicemails.
         */
        public static final Uri CONTENT_URI_WITH_VOICEMAIL = CONTENT_URI.buildUpon()
                .appendQueryParameter(ALLOW_VOICEMAILS_PARAM_KEY, "true")
                .build();

        /**
         * The default sort order for this table
         */
        public static final String DEFAULT_SORT_ORDER = "date DESC";

        /**
         * The MIME type of {@link #CONTENT_URI} and {@link #CONTENT_FILTER_URI}
         * providing a directory of calls.
         */
        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/calls";

        /**
         * The MIME type of a {@link #CONTENT_URI} sub-directory of a single
         * call.
         */
        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/calls";

        /**
         * The type of the call (incoming, outgoing or missed).
         * <P>Type: INTEGER (int)</P>
         *
         * <p>
         * Allowed values:
         * <ul>
         * <li>{@link #INCOMING_TYPE}</li>
         * <li>{@link #OUTGOING_TYPE}</li>
         * <li>{@link #MISSED_TYPE}</li>
         * <li>{@link #VOICEMAIL_TYPE}</li>
         * <li>{@link #REJECTED_TYPE}</li>
         * <li>{@link #BLOCKED_TYPE}</li>
         * <li>{@link #ANSWERED_EXTERNALLY_TYPE}</li>
         * </ul>
         * </p>
         */
        public static final String TYPE = "type";

        /** Call log type for incoming calls. */
        public static final int INCOMING_TYPE = 1;
        /** Call log type for outgoing calls. */
        public static final int OUTGOING_TYPE = 2;
        /** Call log type for missed calls. */
        public static final int MISSED_TYPE = 3;
        /** Call log type for voicemails. */
        public static final int VOICEMAIL_TYPE = 4;
        /** Call log type for calls rejected by direct user action. */
        public static final int REJECTED_TYPE = 5;
        /** Call log type for calls blocked automatically. */
        public static final int BLOCKED_TYPE = 6;
        /**
         * Call log type for a call which was answered on another device.  Used in situations where
         * a call rings on multiple devices simultaneously and it ended up being answered on a
         * device other than the current one.
         */
        public static final int ANSWERED_EXTERNALLY_TYPE = 7;

        /**
         * Bit-mask describing features of the call (e.g. video).
         *
         * <P>Type: INTEGER (int)</P>
         */
        public static final String FEATURES = "features";

        /** Call had video. */
        public static final int FEATURES_VIDEO = 1 << 0;

        /** Call was pulled externally. */
        public static final int FEATURES_PULLED_EXTERNALLY = 1 << 1;

        /** Call was HD. */
        public static final int FEATURES_HD_CALL = 1 << 2;

        /** Call was WIFI call. */
        public static final int FEATURES_WIFI = 1 << 3;

        /**
         * Indicates the call underwent Assisted Dialing.
         * @see TelecomManager#EXTRA_USE_ASSISTED_DIALING
         */
        public static final int FEATURES_ASSISTED_DIALING_USED = 1 << 4;

        /** Call was on RTT at some point */
        public static final int FEATURES_RTT = 1 << 5;

        /** Call was VoLTE */
        public static final int FEATURES_VOLTE = 1 << 6;

        /**
         * The phone number as the user entered it.
         * <P>Type: TEXT</P>
         */
        public static final String NUMBER = "number";

        /**
         * The number presenting rules set by the network.
         *
         * <p>
         * Allowed values:
         * <ul>
         * <li>{@link #PRESENTATION_ALLOWED}</li>
         * <li>{@link #PRESENTATION_RESTRICTED}</li>
         * <li>{@link #PRESENTATION_UNKNOWN}</li>
         * <li>{@link #PRESENTATION_PAYPHONE}</li>
         * <li>{@link #PRESENTATION_UNAVAILABLE}</li>
         * </ul>
         * </p>
         *
         * <P>Type: INTEGER</P>
         */
        public static final String NUMBER_PRESENTATION = "presentation";

        /** Number is allowed to display for caller id. */
        public static final int PRESENTATION_ALLOWED = 1;
        /** Number is blocked by user. */
        public static final int PRESENTATION_RESTRICTED = 2;
        /** Number is not specified or unknown by network. */
        public static final int PRESENTATION_UNKNOWN = 3;
        /** Number is a pay phone. */
        public static final int PRESENTATION_PAYPHONE = 4;
        /** Number is unavailable. */
        public static final int PRESENTATION_UNAVAILABLE = 5;

        /**
         * The ISO 3166-1 two letters country code of the country where the
         * user received or made the call.
         * <P>
         * Type: TEXT
         * </P>
         */
        public static final String COUNTRY_ISO = "countryiso";

        /**
         * The date the call occured, in milliseconds since the epoch
         * <P>Type: INTEGER (long)</P>
         */
        public static final String DATE = "date";

        /**
         * The duration of the call in seconds
         * <P>Type: INTEGER (long)</P>
         */
        public static final String DURATION = "duration";

        /**
         * The data usage of the call in bytes.
         * <P>Type: INTEGER (long)</P>
         */
        public static final String DATA_USAGE = "data_usage";

        /**
         * Whether or not the call has been acknowledged
         * <P>Type: INTEGER (boolean)</P>
         */
        public static final String NEW = "new";

        /**
         * The cached name associated with the phone number, if it exists.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: TEXT</P>
         */
        public static final String CACHED_NAME = "name";

        /**
         * The cached number type (Home, Work, etc) associated with the
         * phone number, if it exists.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: INTEGER</P>
         */
        public static final String CACHED_NUMBER_TYPE = "numbertype";

        /**
         * The cached number label, for a custom number type, associated with the
         * phone number, if it exists.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: TEXT</P>
         */
        public static final String CACHED_NUMBER_LABEL = "numberlabel";

        /**
         * URI of the voicemail entry. Populated only for {@link #VOICEMAIL_TYPE}.
         * <P>Type: TEXT</P>
         */
        public static final String VOICEMAIL_URI = "voicemail_uri";

        /**
         * Transcription of the call or voicemail entry. This will only be populated for call log
         * entries of type {@link #VOICEMAIL_TYPE} that have valid transcriptions.
         */
        public static final String TRANSCRIPTION = "transcription";

        /**
         * State of voicemail transcription entry. This will only be populated for call log
         * entries of type {@link #VOICEMAIL_TYPE}.
         * @hide
         */
        public static final String TRANSCRIPTION_STATE = "transcription_state";

        /**
         * Whether this item has been read or otherwise consumed by the user.
         * <p>
         * Unlike the {@link #NEW} field, which requires the user to have acknowledged the
         * existence of the entry, this implies the user has interacted with the entry.
         * <P>Type: INTEGER (boolean)</P>
         */
        public static final String IS_READ = "is_read";

        /**
         * A geocoded location for the number associated with this call.
         * <p>
         * The string represents a city, state, or country associated with the number.
         * <P>Type: TEXT</P>
         */
        public static final String GEOCODED_LOCATION = "geocoded_location";

        /**
         * The cached URI to look up the contact associated with the phone number, if it exists.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: TEXT</P>
         */
        public static final String CACHED_LOOKUP_URI = "lookup_uri";

        /**
         * The cached phone number of the contact which matches this entry, if it exists.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: TEXT</P>
         */
        public static final String CACHED_MATCHED_NUMBER = "matched_number";

        /**
         * The cached normalized(E164) version of the phone number, if it exists.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: TEXT</P>
         */
        public static final String CACHED_NORMALIZED_NUMBER = "normalized_number";

        /**
         * The cached photo id of the picture associated with the phone number, if it exists.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: INTEGER (long)</P>
         */
        public static final String CACHED_PHOTO_ID = "photo_id";

        /**
         * The cached photo URI of the picture associated with the phone number, if it exists.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: TEXT (URI)</P>
         */
        public static final String CACHED_PHOTO_URI = "photo_uri";

        /**
         * The cached phone number, formatted with formatting rules based on the country the
         * user was in when the call was made or received.
         *
         * <p>This value is typically filled in by the dialer app for the caching purpose,
         * so it's not guaranteed to be present, and may not be current if the contact
         * information associated with this number has changed.
         * <P>Type: TEXT</P>
         */
        public static final String CACHED_FORMATTED_NUMBER = "formatted_number";

        // Note: PHONE_ACCOUNT_* constant values are "subscription_*" due to a historic naming
        // that was encoded into call log databases.

        /**
         * The component name of the account used to place or receive the call; in string form.
         * <P>Type: TEXT</P>
         */
        public static final String PHONE_ACCOUNT_COMPONENT_NAME = "subscription_component_name";

        /**
         * The identifier for the account used to place or receive the call.
         * <P>Type: TEXT</P>
         */
        public static final String PHONE_ACCOUNT_ID = "subscription_id";

        /**
         * The address associated with the account used to place or receive the call; in string
         * form. For SIM-based calls, this is the user's own phone number.
         * <P>Type: TEXT</P>
         *
         * @hide
         */
        public static final String PHONE_ACCOUNT_ADDRESS = "phone_account_address";

        /**
         * Indicates that the entry will be hidden from all queries until the associated
         * {@link android.telecom.PhoneAccount} is registered with the system.
         * <P>Type: INTEGER</P>
         *
         * @hide
         */
        public static final String PHONE_ACCOUNT_HIDDEN = "phone_account_hidden";

        /**
         * The subscription ID used to place this call.  This is no longer used and has been
         * replaced with PHONE_ACCOUNT_COMPONENT_NAME/PHONE_ACCOUNT_ID.
         * For ContactsProvider internal use only.
         * <P>Type: INTEGER</P>
         *
         * @Deprecated
         * @hide
         */
        public static final String SUB_ID = "sub_id";

        /**
         * The post-dial portion of a dialed number, including any digits dialed after a
         * {@link TelecomManager#DTMF_CHARACTER_PAUSE} or a {@link
         * TelecomManager#DTMF_CHARACTER_WAIT} and these characters themselves.
         * <P>Type: TEXT</P>
         */
        public static final String POST_DIAL_DIGITS = "post_dial_digits";

        /**
         * For an incoming call, the secondary line number the call was received via.
         * When a SIM card has multiple phone numbers associated with it, the via number indicates
         * which of the numbers associated with the SIM was called.
         */
        public static final String VIA_NUMBER = "via_number";

        /**
         * Indicates that the entry will be copied from primary user to other users.
         * <P>Type: INTEGER</P>
         *
         * @hide
         */
        public static final String ADD_FOR_ALL_USERS = "add_for_all_users";

        /**
         * The date the row is last inserted, updated, or marked as deleted, in milliseconds
         * since the epoch. Read only.
         * <P>Type: INTEGER (long)</P>
         */
        public static final String LAST_MODIFIED = "last_modified";

        /**
         * If a successful call is made that is longer than this duration, update the phone number
         * in the ContactsProvider with the normalized version of the number, based on the user's
         * current country code.
         */
        private static final int MIN_DURATION_FOR_NORMALIZED_NUMBER_UPDATE_MS = 1000 * 10;

        /**
         * Value for {@link CallLog.Calls#BLOCK_REASON}, set as the default value when a call was
         * not blocked by a CallScreeningService or any other system call blocking method.
         */
        public static final int BLOCK_REASON_NOT_BLOCKED = 0;

        /**
         * Value for {@link CallLog.Calls#BLOCK_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#BLOCKED_TYPE} to indicate that a call was blocked by a
         * CallScreeningService. The {@link CallLog.Calls#CALL_SCREENING_COMPONENT_NAME} and
         * {@link CallLog.Calls#CALL_SCREENING_APP_NAME} columns will indicate which call screening
         * service was responsible for blocking the call.
         */
        public static final int BLOCK_REASON_CALL_SCREENING_SERVICE = 1;

        /**
         * Value for {@link CallLog.Calls#BLOCK_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#BLOCKED_TYPE} to indicate that a call was blocked because the user
         * configured a contact to be sent directly to voicemail.
         */
        public static final int BLOCK_REASON_DIRECT_TO_VOICEMAIL = 2;

        /**
         * Value for {@link CallLog.Calls#BLOCK_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#BLOCKED_TYPE} to indicate that a call was blocked because it is
         * in the BlockedNumbers provider.
         */
        public static final int BLOCK_REASON_BLOCKED_NUMBER = 3;

        /**
         * Value for {@link CallLog.Calls#BLOCK_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#BLOCKED_TYPE} to indicate that a call was blocked because the user
         * has chosen to block all calls from unknown numbers.
         */
        public static final int BLOCK_REASON_UNKNOWN_NUMBER = 4;

        /**
         * Value for {@link CallLog.Calls#BLOCK_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#BLOCKED_TYPE} to indicate that a call was blocked because the user
         * has chosen to block all calls from restricted numbers.
         */
        public static final int BLOCK_REASON_RESTRICTED_NUMBER = 5;

        /**
         * Value for {@link CallLog.Calls#BLOCK_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#BLOCKED_TYPE} to indicate that a call was blocked because the user
         * has chosen to block all calls from pay phones.
         */
        public static final int BLOCK_REASON_PAY_PHONE = 6;

        /**
         * Value for {@link CallLog.Calls#BLOCK_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#BLOCKED_TYPE} to indicate that a call was blocked because the user
         * has chosen to block all calls from numbers not in their contacts.
         */
        public static final int BLOCK_REASON_NOT_IN_CONTACTS = 7;

        /**
         * The ComponentName of the CallScreeningService which blocked this call. Will be
         * populated when the {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#BLOCKED_TYPE}.
         * <P>Type: TEXT</P>
         */
        public static final String CALL_SCREENING_COMPONENT_NAME = "call_screening_component_name";

        /**
         * The name of the app which blocked a call. Will be populated when the
         * {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#BLOCKED_TYPE}. Provided as a
         * convenience so that the call log can still indicate which app blocked a call, even if
         * that app is no longer installed.
         * <P>Type: TEXT</P>
         */
        public static final String CALL_SCREENING_APP_NAME = "call_screening_app_name";

        /**
         * Where the {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#BLOCKED_TYPE},
         * indicates the reason why a call is blocked.
         * <P>Type: INTEGER</P>
         *
         * <p>
         * Allowed values:
         * <ul>
         * <li>{@link CallLog.Calls#BLOCK_REASON_NOT_BLOCKED}</li>
         * <li>{@link CallLog.Calls#BLOCK_REASON_CALL_SCREENING_SERVICE}</li>
         * <li>{@link CallLog.Calls#BLOCK_REASON_DIRECT_TO_VOICEMAIL}</li>
         * <li>{@link CallLog.Calls#BLOCK_REASON_BLOCKED_NUMBER}</li>
         * <li>{@link CallLog.Calls#BLOCK_REASON_UNKNOWN_NUMBER}</li>
         * <li>{@link CallLog.Calls#BLOCK_REASON_RESTRICTED_NUMBER}</li>
         * <li>{@link CallLog.Calls#BLOCK_REASON_PAY_PHONE}</li>
         * <li>{@link CallLog.Calls#BLOCK_REASON_NOT_IN_CONTACTS}</li>
         * </ul>
         * </p>
         */
        public static final String BLOCK_REASON = "block_reason";

        /** @hide */
        @LongDef(flag = true, value = {
                MISSED_REASON_NOT_MISSED,
                AUTO_MISSED_EMERGENCY_CALL,
                AUTO_MISSED_MAXIMUM_RINGING,
                AUTO_MISSED_MAXIMUM_DIALING,
                USER_MISSED_NO_ANSWER,
                USER_MISSED_SHORT_RING,
                USER_MISSED_DND_MODE,
                USER_MISSED_LOW_RING_VOLUME,
                USER_MISSED_NO_VIBRATE,
                USER_MISSED_CALL_SCREENING_SERVICE_SILENCED,
                USER_MISSED_CALL_FILTERS_TIMEOUT,
                USER_MISSED_NEVER_RANG
        })
        @Retention(RetentionPolicy.SOURCE)
        public @interface MissedReason {}

        /**
         * Value for {@link CallLog.Calls#MISSED_REASON}, set as the default value when a call was
         * not missed.
         */
        public static final long MISSED_REASON_NOT_MISSED = 0;

        /**
         * Value for {@link CallLog.Calls#MISSED_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#MISSED_TYPE} to indicate that a call was automatically rejected by
         * system because an ongoing emergency call.
         */
        public static final long AUTO_MISSED_EMERGENCY_CALL = 1 << 0;

        /**
         * Value for {@link CallLog.Calls#MISSED_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#MISSED_TYPE} to indicate that a call was automatically rejected by
         * system because the system cannot support any more ringing calls.
         */
        public static final long AUTO_MISSED_MAXIMUM_RINGING = 1 << 1;

        /**
         * Value for {@link CallLog.Calls#MISSED_REASON}, set when {@link CallLog.Calls#TYPE} is
         * {@link CallLog.Calls#MISSED_TYPE} to indicate that a call was automatically rejected by
         * system because the system cannot support any more dialing calls.
         */
        public static final long AUTO_MISSED_MAXIMUM_DIALING = 1 << 2;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, set this bit when
         * the call was missed just because user didn't answer it.
         */
        public static final long USER_MISSED_NO_ANSWER = 1 << 16;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, set this bit when
         * this call rang for a short period of time.
         */
        public static final long USER_MISSED_SHORT_RING = 1 << 17;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, when this call
         * rings less than this defined time in millisecond, set
         * {@link CallLog.Calls#USER_MISSED_SHORT_RING} bit.
         * @hide
         */
        public static final long SHORT_RING_THRESHOLD = 5000L;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, set this bit when
         * this call is silenced because the phone is in 'do not disturb mode'.
         */
        public static final long USER_MISSED_DND_MODE = 1 << 18;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, set this bit when
         * this call rings with a low ring volume.
         */
        public static final long USER_MISSED_LOW_RING_VOLUME = 1 << 19;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, when this call
         * rings in volume less than this defined volume threshold, set
         * {@link CallLog.Calls#USER_MISSED_LOW_RING_VOLUME} bit.
         * @hide
         */
        public static final int LOW_RING_VOLUME = 0;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE} set this bit when
         * this call rings without vibration.
         */
        public static final long USER_MISSED_NO_VIBRATE = 1 << 20;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, set this bit when
         * this call is silenced by the call screening service.
         */
        public static final long USER_MISSED_CALL_SCREENING_SERVICE_SILENCED = 1 << 21;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, set this bit when
         * the call filters timed out.
         */
        public static final long USER_MISSED_CALL_FILTERS_TIMEOUT = 1 << 22;

        /**
         * When {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE}, set this bit when
         * the call ended before ringing.
         * @hide
         */
        public static final long USER_MISSED_NEVER_RANG = 1 << 23;

        /**
         * Where the {@link CallLog.Calls#TYPE} is {@link CallLog.Calls#MISSED_TYPE},
         * indicates factors which may have lead the user to miss the call.
         * <P>Type: INTEGER</P>
         *
         * <p>
         * There are two main cases. Auto missed cases and user missed cases. Default value is:
         * <ul>
         * <li>{@link CallLog.Calls#MISSED_REASON_NOT_MISSED}</li>
         * </ul>
         * </p>
         * <P>
         * Auto missed cases are those where a call was missed because it was not possible for the
         * incoming call to be presented to the user at all. Possible values are:
         * <ul>
         * <li>{@link CallLog.Calls#AUTO_MISSED_EMERGENCY_CALL}</li>
         * <li>{@link CallLog.Calls#AUTO_MISSED_MAXIMUM_RINGING}</li>
         * <li>{@link CallLog.Calls#AUTO_MISSED_MAXIMUM_DIALING}</li>
         * </ul>
         * </P>
         * <P>
         * User missed cases are those where the incoming call was presented to the user, but
         * factors such as a low ringing volume may have contributed to the call being missed.
         * Following bits can be set to indicate possible reasons for this:
         * <ul>
         * <li>{@link CallLog.Calls#USER_MISSED_SHORT_RING}</li>
         * <li>{@link CallLog.Calls#USER_MISSED_DND_MODE}</li>
         * <li>{@link CallLog.Calls#USER_MISSED_LOW_RING_VOLUME}</li>
         * <li>{@link CallLog.Calls#USER_MISSED_NO_VIBRATE}</li>
         * <li>{@link CallLog.Calls#USER_MISSED_CALL_SCREENING_SERVICE_SILENCED}</li>
         * <li>{@link CallLog.Calls#USER_MISSED_CALL_FILTERS_TIMEOUT}</li>
         * </ul>
         * </P>
         */
        public static final String MISSED_REASON = "missed_reason";

        /**
         * The subject of the call, as delivered via call composer.
         *
         * For outgoing calls, contains the subject set by the local user. For incoming calls,
         * contains the subject set by the remote caller. May be null if no subject was set.
         * <p>Type: TEXT</p>
         */
        public static final String SUBJECT = "subject";

        /**
         * Used as a value in the {@link #PRIORITY} column.
         *
         * Indicates that the call is of normal priority. This is also the default value for calls
         * that did not include call composer elements.
         */
        public static final int PRIORITY_NORMAL = 0;

        /**
         * Used as a value in the {@link #PRIORITY} column.
         *
         * Indicates that the call is of urgent priority.
         */
        public static final int PRIORITY_URGENT = 1;

        /**
         * The priority of the call, as delivered via call composer.
         *
         * For outgoing calls, contains the priority set by the local user. For incoming calls,
         * contains the priority set by the remote caller. If no priority was set or the call
         * did not include call composer elements, defaults to {@link #PRIORITY_NORMAL}.
         * Valid values are {@link #PRIORITY_NORMAL} and {@link #PRIORITY_URGENT}.
         * <p>Type: INTEGER</p>
         */
        public static final String PRIORITY = "priority";

        /**
         * A reference to the picture that was sent via call composer.
         *
         * The string contained in this field should be converted to an {@link Uri} via
         * {@link Uri#parse(String)}, then passed to {@link ContentResolver#openFileDescriptor}
         * in order to obtain a file descriptor to access the picture data.
         *
         * The user may choose to delete the picture associated with a call independently of the
         * call log entry, in which case {@link ContentResolver#openFileDescriptor} may throw a
         * {@link FileNotFoundException}.
         *
         * Note that pictures sent or received via call composer will not be included in any
         * backups of the call log.
         *
         * <p>Type: TEXT</p>
         */
        public static final String COMPOSER_PHOTO_URI = "composer_photo_uri";

        /**
         * A reference to the location that was sent via call composer.
         *
         * This column contains the content URI of the corresponding entry in {@link Locations}
         * table, which contains the actual location data. The
         * {@link Manifest.permission#ACCESS_FINE_LOCATION} permission is required to access that
         * table.
         *
         * If your app has the appropriate permissions, the location data may be obtained by
         * converting the value of this column to an {@link Uri} via {@link Uri#parse}, then passing
         * the result to {@link ContentResolver#query}.
         *
         * The user may choose to delete the location associated with a call independently of the
         * call log entry, in which case the {@link Cursor} returned from
         * {@link ContentResolver#query} will either be {@code null} or empty, with
         * {@link Cursor#getCount()} returning {@code 0}.
         *
         * This column will not be populated when a call is received while the device is locked, and
         * it will not be part of any backups.
         *
         * <p>Type: TEXT</p>
         */
        public static final String LOCATION = "location";

        /**
         * A reference to indicate whether phone account migration process is pending.
         *
         * Before Android 13, {@link PhoneAccountHandle#getId()} returns the ICCID for Telephony
         * PhoneAccountHandle. Starting from Android 13, {@link PhoneAccountHandle#getId()} returns
         * the Subscription ID for Telephony PhoneAccountHandle. A phone account migration process
         * is to ensure this PhoneAccountHandle migration process cross the Android versions in
         * the CallLog database.
         *
         * <p>Type: INTEGER</p>
         * @hide
         */
        public static final String IS_PHONE_ACCOUNT_MIGRATION_PENDING =
                "is_call_log_phone_account_migration_pending";

        /**
         * Adds a call to the call log.
         *
         * @param ci the CallerInfo object to get the target contact from.  Can be null
         * if the contact is unknown.
         * @param context the context used to get the ContentResolver
         * @param number the phone number to be added to the calls db
         * @param presentation enum value from TelecomManager.PRESENTATION_xxx, which
         *        is set by the network and denotes the number presenting rules for
         *        "allowed", "payphone", "restricted" or "unknown"
         * @param callType enumerated values for "incoming", "outgoing", or "missed"
         * @param features features of the call (e.g. Video).
         * @param accountHandle The accountHandle object identifying the provider of the call
         * @param start time stamp for the call in milliseconds
         * @param duration call duration in seconds
         * @param dataUsage data usage for the call in bytes, null if data usage was not tracked for
         *                  the call.
         * @param isPhoneAccountMigrationPending whether the PhoneAccountHandle ID need to migrate
         * @result The URI of the call log entry belonging to the user that made or received this
         *        call.
         * {@hide}
         */
        public static Uri addCall(CallerInfo ci, Context context, String number,
                int presentation, int callType, int features,
                PhoneAccountHandle accountHandle,
                long start, int duration, Long dataUsage, long missedReason,
                int isPhoneAccountMigrationPending) {
            return addCall(ci, context, number, "" /* postDialDigits */, "" /* viaNumber */,
                presentation, callType, features, accountHandle, start, duration,
                dataUsage, false /* addForAllUsers */, null /* userToBeInsertedTo */,
                false /* isRead */, Calls.BLOCK_REASON_NOT_BLOCKED /* callBlockReason */,
                null /* callScreeningAppName */, null /* callScreeningComponentName */,
                    missedReason, isPhoneAccountMigrationPending);
        }


        /**
         * Adds a call to the call log.
         *
         * @param ci the CallerInfo object to get the target contact from.  Can be null
         * if the contact is unknown.
         * @param context the context used to get the ContentResolver
         * @param number the phone number to be added to the calls db
         * @param viaNumber the secondary number that the incoming call received with. If the
         *       call was received with the SIM assigned number, then this field must be ''.
         * @param presentation enum value from TelecomManager.PRESENTATION_xxx, which
         *        is set by the network and denotes the number presenting rules for
         *        "allowed", "payphone", "restricted" or "unknown"
         * @param callType enumerated values for "incoming", "outgoing", or "missed"
         * @param features features of the call (e.g. Video).
         * @param accountHandle The accountHandle object identifying the provider of the call
         * @param start time stamp for the call in milliseconds
         * @param duration call duration in seconds
         * @param dataUsage data usage for the call in bytes, null if data usage was not tracked for
         *                  the call.
         * @param addForAllUsers If true, the call is added to the call log of all currently
         *        running users. The caller must have the MANAGE_USERS permission if this is true.
         * @param userToBeInsertedTo {@link UserHandle} of user that the call is going to be
         *                           inserted to. null if it is inserted to the current user. The
         *                           value is ignored if @{link addForAllUsers} is true.
         * @param isPhoneAccountMigrationPending whether the PhoneAccountHandle ID need to migrate
         * @result The URI of the call log entry belonging to the user that made or received this
         *        call.
         * {@hide}
         */
        public static Uri addCall(CallerInfo ci, Context context, String number,
                String postDialDigits, String viaNumber, int presentation, int callType,
                int features, PhoneAccountHandle accountHandle, long start, int duration,
                Long dataUsage, boolean addForAllUsers, UserHandle userToBeInsertedTo,
                long missedReason, int isPhoneAccountMigrationPending) {
            return addCall(ci, context, number, postDialDigits, viaNumber, presentation, callType,
                features, accountHandle, start, duration, dataUsage, addForAllUsers,
                userToBeInsertedTo, false /* isRead */ , Calls.BLOCK_REASON_NOT_BLOCKED
                /* callBlockReason */, null /* callScreeningAppName */,
                null /* callScreeningComponentName */, missedReason,
                isPhoneAccountMigrationPending);
        }


        /**
         * Adds a call to the call log.
         *
         * @param ci the CallerInfo object to get the target contact from.  Can be null
         * if the contact is unknown.
         * @param context the context used to get the ContentResolver
         * @param number the phone number to be added to the calls db
         * @param postDialDigits the post-dial digits that were dialed after the number,
         *        if it was outgoing. Otherwise it is ''.
         * @param viaNumber the secondary number that the incoming call received with. If the
         *        call was received with the SIM assigned number, then this field must be ''.
         * @param presentation enum value from TelecomManager.PRESENTATION_xxx, which
         *        is set by the network and denotes the number presenting rules for
         *        "allowed", "payphone", "restricted" or "unknown"
         * @param callType enumerated values for "incoming", "outgoing", or "missed"
         * @param features features of the call (e.g. Video).
         * @param accountHandle The accountHandle object identifying the provider of the call
         * @param start time stamp for the call in milliseconds
         * @param duration call duration in seconds
         * @param dataUsage data usage for the call in bytes, null if data usage was not tracked for
         *                  the call.
         * @param addForAllUsers If true, the call is added to the call log of all currently
         *        running users. The caller must have the MANAGE_USERS permission if this is true.
         * @param userToBeInsertedTo {@link UserHandle} of user that the call is going to be
         *                           inserted to. null if it is inserted to the current user. The
         *                           value is ignored if @{link addForAllUsers} is true.
         * @param isRead Flag to show if the missed call log has been read by the user or not.
         *                Used for call log restore of missed calls.
         * @param callBlockReason The reason why the call is blocked.
         * @param callScreeningAppName The call screening application name which block the call.
         * @param callScreeningComponentName The call screening component name which block the call.
         * @param missedReason The encoded missed information of the call.
         * @param isPhoneAccountMigrationPending whether the PhoneAccountHandle ID need to migrate
         *
         * @result The URI of the call log entry belonging to the user that made or received this
         *        call.  This could be of the shadow provider.  Do not return it to non-system apps,
         *        as they don't have permissions.
         * {@hide}
         */
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
        public static Uri addCall(CallerInfo ci, Context context, String number,
                String postDialDigits, String viaNumber, int presentation, int callType,
                int features, PhoneAccountHandle accountHandle, long start, int duration,
                Long dataUsage, boolean addForAllUsers, UserHandle userToBeInsertedTo,
                boolean isRead, int callBlockReason, CharSequence callScreeningAppName,
                String callScreeningComponentName, long missedReason,
                int isPhoneAccountMigrationPending) {
            AddCallParams.AddCallParametersBuilder builder =
                    new AddCallParams.AddCallParametersBuilder();
            builder.setCallerInfo(ci);
            builder.setNumber(number);
            builder.setPostDialDigits(postDialDigits);
            builder.setViaNumber(viaNumber);
            builder.setPresentation(presentation);
            builder.setCallType(callType);
            builder.setFeatures(features);
            builder.setAccountHandle(accountHandle);
            builder.setStart(start);
            builder.setDuration(duration);
            builder.setDataUsage(dataUsage == null ? Long.MIN_VALUE : dataUsage);
            builder.setAddForAllUsers(addForAllUsers);
            builder.setUserToBeInsertedTo(userToBeInsertedTo);
            builder.setIsRead(isRead);
            builder.setCallBlockReason(callBlockReason);
            builder.setCallScreeningAppName(callScreeningAppName);
            builder.setCallScreeningComponentName(callScreeningComponentName);
            builder.setMissedReason(missedReason);
            builder.setIsPhoneAccountMigrationPending(isPhoneAccountMigrationPending);

            return addCall(context, builder.build());
        }

        /**
         * Adds a call to the call log, using the provided parameters
         * @result The URI of the call log entry belonging to the user that made or received this
         *        call.  This could be of the shadow provider.  Do not return it to non-system apps,
         *        as they don't have permissions.
         * @hide
         */
        public static @NonNull Uri addCall(
                @NonNull Context context, @NonNull AddCallParams params) {
            if (VERBOSE_LOG) {
                Log.v(LOG_TAG, String.format("Add call: number=%s, user=%s, for all=%s",
                        params.mNumber, params.mUserToBeInsertedTo, params.mAddForAllUsers));
            }
            final ContentResolver resolver = context.getContentResolver();

            String accountAddress = getLogAccountAddress(context, params.mAccountHandle);

            int numberPresentation = getLogNumberPresentation(params.mNumber, params.mPresentation);
            String name = (params.mCallerInfo != null) ? params.mCallerInfo.getName() : "";
            if (numberPresentation != PRESENTATION_ALLOWED) {
                params.mNumber = "";
                if (params.mCallerInfo != null) {
                    name = "";
                }
            }

            // accountHandle information
            String accountComponentString = null;
            String accountId = null;
            if (params.mAccountHandle != null) {
                accountComponentString = params.mAccountHandle.getComponentName().flattenToString();
                accountId = params.mAccountHandle.getId();
            }

            ContentValues values = new ContentValues(14);

            values.put(NUMBER, params.mNumber);
            values.put(POST_DIAL_DIGITS, params.mPostDialDigits);
            values.put(VIA_NUMBER, params.mViaNumber);
            values.put(NUMBER_PRESENTATION, Integer.valueOf(numberPresentation));
            values.put(TYPE, Integer.valueOf(params.mCallType));
            values.put(FEATURES, params.mFeatures);
            values.put(DATE, Long.valueOf(params.mStart));
            values.put(DURATION, Long.valueOf(params.mDuration));
            if (params.mDataUsage != Long.MIN_VALUE) {
                values.put(DATA_USAGE, params.mDataUsage);
            }
            values.put(PHONE_ACCOUNT_COMPONENT_NAME, accountComponentString);
            values.put(PHONE_ACCOUNT_ID, accountId);
            values.put(PHONE_ACCOUNT_ADDRESS, accountAddress);
            values.put(NEW, Integer.valueOf(1));
            values.put(CACHED_NAME, name);
            values.put(ADD_FOR_ALL_USERS, params.mAddForAllUsers ? 1 : 0);

            if (params.mCallType == MISSED_TYPE) {
                values.put(IS_READ, Integer.valueOf(params.mIsRead ? 1 : 0));
            }

            values.put(BLOCK_REASON, params.mCallBlockReason);
            values.put(CALL_SCREENING_APP_NAME, charSequenceToString(params.mCallScreeningAppName));
            values.put(CALL_SCREENING_COMPONENT_NAME, params.mCallScreeningComponentName);
            values.put(MISSED_REASON, Long.valueOf(params.mMissedReason));
            values.put(PRIORITY, params.mPriority);
            values.put(SUBJECT, params.mSubject);
            if (params.mPictureUri != null) {
                values.put(COMPOSER_PHOTO_URI, params.mPictureUri.toString());
            }
            values.put(IS_PHONE_ACCOUNT_MIGRATION_PENDING, params.mIsPhoneAccountMigrationPending);

            if ((params.mCallerInfo != null) && (params.mCallerInfo.getContactId() > 0)) {
                // Update usage information for the number associated with the contact ID.
                // We need to use both the number and the ID for obtaining a data ID since other
                // contacts may have the same number.

                final Cursor cursor;

                // We should prefer normalized one (probably coming from
                // Phone.NORMALIZED_NUMBER column) first. If it isn't available try others.
                if (params.mCallerInfo.normalizedNumber != null) {
                    final String normalizedPhoneNumber = params.mCallerInfo.normalizedNumber;
                    cursor = resolver.query(Phone.CONTENT_URI,
                            new String[] { Phone._ID },
                            Phone.CONTACT_ID + " =? AND " + Phone.NORMALIZED_NUMBER + " =?",
                            new String[] { String.valueOf(params.mCallerInfo.getContactId()),
                                    normalizedPhoneNumber},
                            null);
                } else {
                    final String phoneNumber = params.mCallerInfo.getPhoneNumber() != null
                            ? params.mCallerInfo.getPhoneNumber() : params.mNumber;
                    cursor = resolver.query(
                            Uri.withAppendedPath(Callable.CONTENT_FILTER_URI,
                                    Uri.encode(phoneNumber)),
                            new String[] { Phone._ID },
                            Phone.CONTACT_ID + " =?",
                            new String[] { String.valueOf(params.mCallerInfo.getContactId()) },
                            null);
                }

                if (cursor != null) {
                    try {
                        if (cursor.getCount() > 0 && cursor.moveToFirst()) {
                            final String dataId = cursor.getString(0);
                            updateDataUsageStatForData(resolver, dataId);
                            if (params.mDuration >= MIN_DURATION_FOR_NORMALIZED_NUMBER_UPDATE_MS
                                    && params.mCallType == Calls.OUTGOING_TYPE
                                    && TextUtils.isEmpty(params.mCallerInfo.normalizedNumber)) {
                                updateNormalizedNumber(context, resolver, dataId, params.mNumber);
                            }
                        }
                    } finally {
                        cursor.close();
                    }
                }
            }

            /*
                Writing the calllog works in the following way:
                - All user entries
                    - if user-0 is encrypted, insert to user-0's shadow only.
                      (other users should also be encrypted, so nothing to do for other users.)
                    - if user-0 is decrypted, insert to user-0's real provider, as well as
                      all other users that are running and decrypted and should have calllog.

                - Single user entry.
                    - If the target user is encryted, insert to its shadow.
                    - Otherwise insert to its real provider.

                When the (real) calllog provider starts, it copies entries that it missed from
                elsewhere.
                - When user-0's (real) provider starts, it copies from user-0's shadow, and clears
                  the shadow.

                - When other users (real) providers start, unless it shouldn't have calllog entries,
                     - Copy from the user's shadow, and clears the shadow.
                     - Copy from user-0's entries that are FOR_ALL_USERS = 1.  (and don't clear it.)
             */

            Uri result = null;

            final UserManager userManager = context.getSystemService(UserManager.class);
            final int currentUserId = userManager.getProcessUserId();

            if (params.mAddForAllUsers) {
                if (userManager.isUserUnlocked(UserHandle.SYSTEM)) {
                    // If the user is unlocked, insert to the location provider if a location is
                    // provided. Do not store location if the device is still locked -- this
                    // puts it into device-encrypted storage instead of credential-encrypted
                    // storage.
                    Uri locationUri = maybeInsertLocation(params, resolver, UserHandle.SYSTEM);
                    if (locationUri != null) {
                        values.put(Calls.LOCATION, locationUri.toString());
                    }
                }

                // First, insert to the system user.
                final Uri uriForSystem = addEntryAndRemoveExpiredEntries(
                        context, userManager, UserHandle.SYSTEM, values);
                if (uriForSystem == null
                        || SHADOW_AUTHORITY.equals(uriForSystem.getAuthority())) {
                    // This means the system user is still encrypted and the entry has inserted
                    // into the shadow.  This means other users are still all encrypted.
                    // Nothing further to do; just return null.
                    return null;
                }
                if (UserHandle.USER_SYSTEM == currentUserId) {
                    result = uriForSystem;
                }

                // Otherwise, insert to all other users that are running and unlocked.

                final List<UserInfo> users = userManager.getAliveUsers();

                final int count = users.size();
                for (int i = 0; i < count; i++) {
                    final UserInfo userInfo = users.get(i);
                    final UserHandle userHandle = userInfo.getUserHandle();
                    final int userId = userHandle.getIdentifier();

                    if (userHandle.isSystem()) {
                        // Already written.
                        continue;
                    }

                    if (!shouldHaveSharedCallLogEntries(context, userManager, userId)) {
                        // Shouldn't have calllog entries.
                        continue;
                    }

                    // For other users, we write only when they're running *and* decrypted.
                    // Other providers will copy from the system user's real provider, when they
                    // start.
                    if (userManager.isUserRunning(userHandle)
                            && userManager.isUserUnlocked(userHandle)) {
                        Uri locationUri = maybeInsertLocation(params, resolver, userHandle);
                        if (locationUri != null) {
                            values.put(Calls.LOCATION, locationUri.toString());
                        } else {
                            values.put(Calls.LOCATION, (String) null);
                        }
                        final Uri uri = addEntryAndRemoveExpiredEntries(context, userManager,
                                userHandle, values);
                        if (userId == currentUserId) {
                            result = uri;
                        }
                    }
                }
            } else {
                // Single-user entry. Just write to that user, assuming it's running.  If the
                // user is encrypted, we write to the shadow calllog.
                final UserHandle targetUserHandle = params.mUserToBeInsertedTo != null
                        ? params.mUserToBeInsertedTo
                        : UserHandle.of(currentUserId);

                if (userManager.isUserRunning(targetUserHandle)
                        && userManager.isUserUnlocked(targetUserHandle)) {
                    Uri locationUri = maybeInsertLocation(params, resolver, targetUserHandle);
                    if (locationUri != null) {
                        values.put(Calls.LOCATION, locationUri.toString());
                    } else {
                        values.put(Calls.LOCATION, (String) null);
                    }
                }

                result = addEntryAndRemoveExpiredEntries(context, userManager, targetUserHandle,
                        values);
            }
            return result;
        }

        private static String charSequenceToString(CharSequence sequence) {
            return sequence == null ? null : sequence.toString();
        }

        /** @hide */
        public static boolean shouldHaveSharedCallLogEntries(Context context,
                UserManager userManager, int userId) {
            if (userManager.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS,
                    UserHandle.of(userId))) {
                return false;
            }
            final UserInfo userInfo = userManager.getUserInfo(userId);
            return userInfo != null && !userInfo.isManagedProfile();
        }

        /**
         * Query the call log database for the last dialed number.
         * @param context Used to get the content resolver.
         * @return The last phone number dialed (outgoing) or an empty
         * string if none exist yet.
         */
        public static String getLastOutgoingCall(Context context) {
            final ContentResolver resolver = context.getContentResolver();
            Cursor c = null;
            try {
                c = resolver.query(
                    CONTENT_URI_LIMIT_1,
                    new String[] {NUMBER},
                    TYPE + " = " + OUTGOING_TYPE,
                    null,
                    DEFAULT_SORT_ORDER);
                if (c == null || !c.moveToFirst()) {
                    return "";
                }
                return c.getString(0);
            } finally {
                if (c != null) c.close();
            }
        }

        private static Uri addEntryAndRemoveExpiredEntries(Context context, UserManager userManager,
                UserHandle user, ContentValues values) {
            final ContentResolver resolver = context.getContentResolver();

            // Since we're doing this operation on behalf of an app, we only
            // want to use the actual "unlocked" state.
            final Uri uri = ContentProvider.maybeAddUserId(
                    userManager.isUserUnlocked(user) ? CONTENT_URI : SHADOW_CONTENT_URI,
                    user.getIdentifier());

            if (VERBOSE_LOG) {
                Log.v(LOG_TAG, String.format("Inserting to %s", uri));
            }

            try {
                // When cleaning up the call log, try to delete older call long entries on a per
                // PhoneAccount basis first.  There can be multiple ConnectionServices causing
                // the addition of entries in the call log.  With the introduction of Self-Managed
                // ConnectionServices, we want to ensure that a misbehaving self-managed CS cannot
                // spam the call log with its own entries, causing entries from Telephony to be
                // removed.
                final Uri result = resolver.insert(uri, values);
                if (result != null) {
                    String lastPathSegment = result.getLastPathSegment();
                    // When inserting into the call log, if ContentProvider#insert detect an appops
                    // denial a non-null "silent rejection" URI is returned which ends in 0.
                    // Example: content://call_log/calls/0
                    // The 0 in the last part of the path indicates a fake call id of 0.
                    // A denial when logging calls from the platform is bad; there is no other
                    // logging to indicate that this has happened so we will check for that scenario
                    // here and log a warning so we have a hint as to what is going on.
                    if (lastPathSegment != null && lastPathSegment.equals("0")) {
                        Log.w(LOG_TAG, "Failed to insert into call log due to appops denial;"
                                + " resultUri=" + result);
                    }
                } else {
                    Log.w(LOG_TAG, "Failed to insert into call log; null result uri.");
                }

                if (values.containsKey(PHONE_ACCOUNT_ID)
                        && !TextUtils.isEmpty(values.getAsString(PHONE_ACCOUNT_ID))
                        && values.containsKey(PHONE_ACCOUNT_COMPONENT_NAME)
                        && !TextUtils.isEmpty(values.getAsString(PHONE_ACCOUNT_COMPONENT_NAME))) {
                    // Only purge entries for the same phone account.
                    resolver.delete(uri, "_id IN " +
                            "(SELECT _id FROM calls"
                            + " WHERE " + PHONE_ACCOUNT_COMPONENT_NAME + " = ?"
                            + " AND " + PHONE_ACCOUNT_ID + " = ?"
                            + " ORDER BY " + DEFAULT_SORT_ORDER
                            + " LIMIT -1 OFFSET 500)", new String[] {
                            values.getAsString(PHONE_ACCOUNT_COMPONENT_NAME),
                            values.getAsString(PHONE_ACCOUNT_ID)
                    });
                } else {
                    // No valid phone account specified, so default to the old behavior.
                    resolver.delete(uri, "_id IN " +
                            "(SELECT _id FROM calls ORDER BY " + DEFAULT_SORT_ORDER
                            + " LIMIT -1 OFFSET 500)", null);
                }

                return result;
            } catch (IllegalArgumentException e) {
                Log.w(LOG_TAG, "Failed to insert calllog", e);
                // Even though we make sure the target user is running and decrypted before calling
                // this method, there's a chance that the user just got shut down, in which case
                // we'll still get "IllegalArgumentException: Unknown URL content://call_log/calls".
                return null;
            }
        }

        private static Uri maybeInsertLocation(AddCallParams params, ContentResolver resolver,
                UserHandle user) {
            if (Double.isNaN(params.mLatitude) || Double.isNaN(params.mLongitude)) {
                return null;
            }
            ContentValues locationValues = new ContentValues();
            locationValues.put(Locations.LATITUDE, params.mLatitude);
            locationValues.put(Locations.LONGITUDE, params.mLongitude);
            Uri locationUri = ContentProvider.maybeAddUserId(Locations.CONTENT_URI,
                    user.getIdentifier());
            try {
                return resolver.insert(locationUri, locationValues);
            } catch (SecurityException e) {
                // This can happen if the caller doesn't have location permissions. If that's the
                // case just skip the insertion.
                Log.w(LOG_TAG, "Skipping inserting location because caller lacks"
                        + " ACCESS_FINE_LOCATION.");
                return null;
            }
        }

        private static void updateDataUsageStatForData(ContentResolver resolver, String dataId) {
            final Uri feedbackUri = DataUsageFeedback.FEEDBACK_URI.buildUpon()
                    .appendPath(dataId)
                    .appendQueryParameter(DataUsageFeedback.USAGE_TYPE,
                                DataUsageFeedback.USAGE_TYPE_CALL)
                    .build();
            resolver.update(feedbackUri, new ContentValues(), null, null);
        }

        /*
         * Update the normalized phone number for the given dataId in the ContactsProvider, based
         * on the user's current country.
         */
        private static void updateNormalizedNumber(Context context, ContentResolver resolver,
                String dataId, String number) {
            if (TextUtils.isEmpty(number) || TextUtils.isEmpty(dataId)) {
                return;
            }
            final String countryIso = getCurrentCountryIso(context);
            if (TextUtils.isEmpty(countryIso)) {
                return;
            }
            final String normalizedNumber = PhoneNumberUtils.formatNumberToE164(number, countryIso);
            if (TextUtils.isEmpty(normalizedNumber)) {
                return;
            }
            final ContentValues values = new ContentValues();
            values.put(Phone.NORMALIZED_NUMBER, normalizedNumber);
            resolver.update(Data.CONTENT_URI, values, Data._ID + "=?", new String[] {dataId});
        }

        /**
         * Remap network specified number presentation types
         * TelecomManager.PRESENTATION_xxx to calllog number presentation types
         * Calls.PRESENTATION_xxx, in order to insulate the persistent calllog
         * from any future radio changes.
         * If the number field is empty set the presentation type to Unknown.
         */
        private static int getLogNumberPresentation(String number, int presentation) {
            if (presentation == TelecomManager.PRESENTATION_RESTRICTED) {
                return presentation;
            }

            if (presentation == TelecomManager.PRESENTATION_PAYPHONE) {
                return presentation;
            }

            if (presentation == TelecomManager.PRESENTATION_UNAVAILABLE) {
                return PRESENTATION_UNAVAILABLE;
            }

            if (TextUtils.isEmpty(number)
                    || presentation == TelecomManager.PRESENTATION_UNKNOWN) {
                return PRESENTATION_UNKNOWN;
            }

            return PRESENTATION_ALLOWED;
        }

        private static String getLogAccountAddress(Context context,
                PhoneAccountHandle accountHandle) {
            TelecomManager tm = null;
            try {
                tm = TelecomManager.from(context);
            } catch (UnsupportedOperationException e) {
                if (VERBOSE_LOG) {
                    Log.v(LOG_TAG, "No TelecomManager found to get account address.");
                }
            }

            String accountAddress = null;
            if (tm != null && accountHandle != null) {
                PhoneAccount account = tm.getPhoneAccount(accountHandle);
                if (account != null) {
                    Uri address = account.getSubscriptionAddress();
                    if (address != null) {
                        accountAddress = address.getSchemeSpecificPart();
                    }
                }
            }
            return accountAddress;
        }

        private static String getCurrentCountryIso(Context context) {
            String countryIso = null;
            final CountryDetector detector = (CountryDetector) context.getSystemService(
                    Context.COUNTRY_DETECTOR);
            if (detector != null) {
                final Country country = detector.detectCountry();
                if (country != null) {
                    countryIso = country.getCountryIso();
                }
            }
            return countryIso;
        }

        /**
         * Check if the missedReason code indicate that the call was user missed or automatically
         * rejected by system.
         *
         * @param missedReason
         * The result is true if the call was user missed, false if the call was automatically
         * rejected by system.
         *
         * @hide
         */
        public static boolean isUserMissed(long missedReason) {
            return missedReason >= (USER_MISSED_NO_ANSWER);
        }
    }

    /**
     * Table that contains information on location data sent via call composer.
     *
     * All fields in this table require the {@link Manifest.permission#ACCESS_FINE_LOCATION}
     * permission for access.
     */
    public static class Locations implements BaseColumns {
        private Locations() {}
        /**
         * Authority for the locations content provider.
         */
        public static final String AUTHORITY = "call_composer_locations";

        /**
         * Content type for the location table.
         */
        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_composer_location";

        /**
         * Content type for the location entries.
         */
        public static final String CONTENT_ITEM_TYPE =
                "vnd.android.cursor.item/call_composer_location";

        /**
         * The content URI for this table
         */
        @NonNull
        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY);

        /**
         * Latitude in degrees. See {@link android.location.Location#setLatitude(double)}.
         * <p>Type: REAL</p>
         */
        public static final String LATITUDE = "latitude";

        /**
         * Longitude in degrees. See {@link android.location.Location#setLongitude(double)}.
         * <p>Type: REAL</p>
         */
        public static final String LONGITUDE = "longitude";
    }
}