java/com/android/dialer/interactions/PhoneNumberInteraction.java - LeafOS-Project/android_packages_apps_Dialer - Gitiles

 /*
  * Copyright (C) 2010 The Android Open Source Project
  * Copyright (C) 2023 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package com.android.dialer.interactions;

 import android.Manifest.permission;
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
 import android.provider.ContactsContract.CommonDataKinds.SipAddress;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Data;
 import android.provider.ContactsContract.RawContacts;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.CheckBox;
 import android.widget.ListAdapter;
 import android.widget.TextView;

 import androidx.annotation.IntDef;
 import androidx.core.app.ActivityCompat;
 import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.fragment.app.FragmentManager;
 import androidx.loader.content.CursorLoader;
 import androidx.loader.content.Loader;

 import com.android.contacts.common.Collapser;
 import com.android.contacts.common.Collapser.Collapsible;
 import com.android.contacts.common.MoreContactUtils;
 import com.android.contacts.common.util.ContactDisplayUtils;
 import com.android.dialer.R;
 import com.android.dialer.callintent.CallIntentBuilder;
 import com.android.dialer.callintent.CallIntentParser;
 import com.android.dialer.callintent.CallSpecificAppData;
 import com.android.dialer.common.Assert;
 import com.android.dialer.common.LogUtil;
 import com.android.dialer.precall.PreCall;
 import com.android.dialer.util.DialerUtils;
 import com.android.dialer.util.PermissionsUtil;
 import com.android.dialer.util.TransactionSafeActivity;

 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;

 /**
  * Initiates phone calls or a text message. If there are multiple candidates, this class shows a
  * dialog to pick one. Creating one of these interactions should be done through the static factory
  * methods.
  *
  * <p>Note that this class initiates not only usual *phone* calls but also *SIP* calls.
  *
  * <p>TODO: clean up code and documents since it is quite confusing to use "phone numbers" or "phone
  * calls" here while they can be SIP addresses or SIP calls (See also issue 5039627).
  */
 public class PhoneNumberInteraction implements Loader.OnLoadCompleteListener<Cursor> {

   static final String TAG = PhoneNumberInteraction.class.getSimpleName();
   /** The identifier for a permissions request if one is generated. */
   public static final int REQUEST_READ_CONTACTS = 1;

   public static final int REQUEST_CALL_PHONE = 2;

   private static final String[] PHONE_NUMBER_PROJECTION =
       new String[] {
         Phone._ID,
         Phone.NUMBER,
         Phone.IS_SUPER_PRIMARY,
         RawContacts.ACCOUNT_TYPE,
         RawContacts.DATA_SET,
         Phone.TYPE,
         Phone.LABEL,
         Phone.MIMETYPE,
         Phone.CONTACT_ID,
       };

   private static final String PHONE_NUMBER_SELECTION =
       Data.MIMETYPE
           + " IN ('"
           + Phone.CONTENT_ITEM_TYPE
           + "', "
           + "'"
           + SipAddress.CONTENT_ITEM_TYPE
           + "') AND "
           + Data.DATA1
           + " NOT NULL";
   private static final int UNKNOWN_CONTACT_ID = -1;
   private final Context context;
   private final int interactionType;
   private final CallSpecificAppData callSpecificAppData;
   private long contactId = UNKNOWN_CONTACT_ID;
   private CursorLoader loader;
   private boolean isVideoCall;

   /** Error codes for interactions. */
   @Retention(RetentionPolicy.SOURCE)
   @IntDef(
     value = {
       InteractionErrorCode.CONTACT_NOT_FOUND,
       InteractionErrorCode.CONTACT_HAS_NO_NUMBER,
       InteractionErrorCode.USER_LEAVING_ACTIVITY,
       InteractionErrorCode.OTHER_ERROR
     }
   )
   public @interface InteractionErrorCode {

     int CONTACT_NOT_FOUND = 1;
     int CONTACT_HAS_NO_NUMBER = 2;
     int OTHER_ERROR = 3;
     int USER_LEAVING_ACTIVITY = 4;
   }

   /**
    * Activities which use this class must implement this. They will be notified if there was an
    * error performing the interaction. For example, this callback will be invoked on the activity if
    * the contact URI provided points to a deleted contact, or to a contact without a phone number.
    */
   public interface InteractionErrorListener {

     void interactionError(@InteractionErrorCode int interactionErrorCode);
   }

   /**
    * Activities which use this class must implement this. They will be notified if the phone number
    * disambiguation dialog is dismissed.
    */
   public interface DisambigDialogDismissedListener {
     void onDisambigDialogDismissed();
   }

   private PhoneNumberInteraction(
       Context context,
       int interactionType,
       boolean isVideoCall,
       CallSpecificAppData callSpecificAppData) {
     this.context = context;
     this.interactionType = interactionType;
     this.callSpecificAppData = callSpecificAppData;
     this.isVideoCall = isVideoCall;

     Assert.checkArgument(context instanceof InteractionErrorListener);
     Assert.checkArgument(context instanceof DisambigDialogDismissedListener);
     Assert.checkArgument(context instanceof ActivityCompat.OnRequestPermissionsResultCallback);
   }

   private static void performAction(
       Context context,
       String phoneNumber,
       int interactionType,
       boolean isVideoCall,
       CallSpecificAppData callSpecificAppData) {
     Intent intent;
     switch (interactionType) {
       case ContactDisplayUtils.INTERACTION_SMS:
         intent = new Intent(Intent.ACTION_SENDTO, Uri.fromParts("sms", phoneNumber, null));
         break;
       default:
         intent =
             PreCall.getIntent(
                 context,
                 new CallIntentBuilder(phoneNumber, callSpecificAppData)
                     .setIsVideoCall(isVideoCall)
                     .setAllowAssistedDial(callSpecificAppData.getAllowAssistedDialing()));
         break;
     }
     DialerUtils.startActivityWithErrorToast(context, intent);
   }

   /**
    * @param activity that is calling this interaction. This must be of type {@link
    *     TransactionSafeActivity} because we need to check on the activity state after the phone
    *     numbers have been queried for. The activity must implement {@link InteractionErrorListener}
    *     and {@link DisambigDialogDismissedListener}.
    * @param isVideoCall {@code true} if the call is a video call, {@code false} otherwise.
    */
   public static void startInteractionForPhoneCall(
       TransactionSafeActivity activity,
       Uri uri,
       boolean isVideoCall,
       CallSpecificAppData callSpecificAppData) {
     new PhoneNumberInteraction(
             activity, ContactDisplayUtils.INTERACTION_CALL, isVideoCall, callSpecificAppData)
         .startInteraction(uri);
   }

   private void performAction(String phoneNumber) {
     PhoneNumberInteraction.performAction(
         context, phoneNumber, interactionType, isVideoCall, callSpecificAppData);
   }

   /**
    * Initiates the interaction to result in either a phone call or sms message for a contact.
    *
    * @param uri Contact Uri
    */
   private void startInteraction(Uri uri) {
     // It's possible for a shortcut to have been created, and then permissions revoked. To avoid a
     // crash when the user tries to use such a shortcut, check for this condition and ask the user
     // for the permission.
     if (!PermissionsUtil.hasPhonePermissions(context)) {
       LogUtil.i("PhoneNumberInteraction.startInteraction", "Need phone permission: CALL_PHONE");
       ActivityCompat.requestPermissions(
           (Activity) context, new String[] {permission.CALL_PHONE}, REQUEST_CALL_PHONE);
       return;
     }

     String[] deniedContactsPermissions =
         PermissionsUtil.getPermissionsCurrentlyDenied(
             context, PermissionsUtil.allContactsGroupPermissionsUsedInDialer);
     if (deniedContactsPermissions.length > 0) {
       LogUtil.i(
           "PhoneNumberInteraction.startInteraction",
           "Need contact permissions: " + Arrays.toString(deniedContactsPermissions));
       ActivityCompat.requestPermissions(
           (Activity) context, deniedContactsPermissions, REQUEST_READ_CONTACTS);
       return;
     }

     if (loader != null) {
       loader.reset();
     }
     final Uri queryUri;
     final String inputUriAsString = uri.toString();
     if (inputUriAsString.startsWith(Contacts.CONTENT_URI.toString())) {
       if (!inputUriAsString.endsWith(Contacts.Data.CONTENT_DIRECTORY)) {
         queryUri = Uri.withAppendedPath(uri, Contacts.Data.CONTENT_DIRECTORY);
       } else {
         queryUri = uri;
       }
     } else if (inputUriAsString.startsWith(Data.CONTENT_URI.toString())) {
       queryUri = uri;
     } else {
       throw new UnsupportedOperationException(
           "Input Uri must be contact Uri or data Uri (input: \"" + uri + "\")");
     }

     loader =
         new CursorLoader(
             context, queryUri, PHONE_NUMBER_PROJECTION, PHONE_NUMBER_SELECTION, null, null);
     loader.registerListener(0, this);
     loader.startLoading();
   }

   @Override
   public void onLoadComplete(Loader<Cursor> loader, Cursor cursor) {
     if (cursor == null) {
       LogUtil.i("PhoneNumberInteraction.onLoadComplete", "null cursor");
       interactionError(InteractionErrorCode.OTHER_ERROR);
       return;
     }
     try {
       ArrayList<PhoneItem> phoneList = new ArrayList<>();
       String primaryPhone = null;
       if (!isSafeToCommitTransactions()) {
         LogUtil.i("PhoneNumberInteraction.onLoadComplete", "not safe to commit transaction");
         interactionError(InteractionErrorCode.USER_LEAVING_ACTIVITY);
         return;
       }
       if (cursor.moveToFirst()) {
         int contactIdColumn = cursor.getColumnIndexOrThrow(Phone.CONTACT_ID);
         int isSuperPrimaryColumn = cursor.getColumnIndexOrThrow(Phone.IS_SUPER_PRIMARY);
         int phoneNumberColumn = cursor.getColumnIndexOrThrow(Phone.NUMBER);
         int phoneIdColumn = cursor.getColumnIndexOrThrow(Phone._ID);
         int accountTypeColumn = cursor.getColumnIndexOrThrow(RawContacts.ACCOUNT_TYPE);
         int dataSetColumn = cursor.getColumnIndexOrThrow(RawContacts.DATA_SET);
         int phoneTypeColumn = cursor.getColumnIndexOrThrow(Phone.TYPE);
         int phoneLabelColumn = cursor.getColumnIndexOrThrow(Phone.LABEL);
         int phoneMimeTpeColumn = cursor.getColumnIndexOrThrow(Phone.MIMETYPE);
         do {
           if (contactId == UNKNOWN_CONTACT_ID) {
             contactId = cursor.getLong(contactIdColumn);
           }

           if (cursor.getInt(isSuperPrimaryColumn) != 0) {
             // Found super primary, call it.
             primaryPhone = cursor.getString(phoneNumberColumn);
           }

           PhoneItem item = new PhoneItem();
           item.id = cursor.getLong(phoneIdColumn);
           item.phoneNumber = cursor.getString(phoneNumberColumn);
           item.accountType = cursor.getString(accountTypeColumn);
           item.dataSet = cursor.getString(dataSetColumn);
           item.type = cursor.getInt(phoneTypeColumn);
           item.label = cursor.getString(phoneLabelColumn);
           item.mimeType = cursor.getString(phoneMimeTpeColumn);

           phoneList.add(item);
         } while (cursor.moveToNext());
       } else {
         interactionError(InteractionErrorCode.CONTACT_NOT_FOUND);
         return;
       }

       if (primaryPhone != null) {
         performAction(primaryPhone);
         return;
       }

       Collapser.collapseList(phoneList, context);
       if (phoneList.size() == 0) {
         interactionError(InteractionErrorCode.CONTACT_HAS_NO_NUMBER);
       } else if (phoneList.size() == 1) {
         PhoneItem item = phoneList.get(0);
         performAction(item.phoneNumber);
       } else {
         // There are multiple candidates. Let the user choose one.
         showDisambiguationDialog(phoneList);
       }
     } finally {
       cursor.close();
     }
   }

   private void interactionError(@InteractionErrorCode int interactionErrorCode) {
     // mContext is really the activity -- see ctor docs.
     ((InteractionErrorListener) context).interactionError(interactionErrorCode);
   }

   private boolean isSafeToCommitTransactions() {
     return !(context instanceof TransactionSafeActivity)
         || ((TransactionSafeActivity) context).isSafeToCommitTransactions();
   }

   private void showDisambiguationDialog(ArrayList<PhoneItem> phoneList) {
     // TODO(a bug): don't leak the activity
     final FragmentActivity activity = (FragmentActivity) context;
     if (activity.isFinishing()) {
       LogUtil.i("PhoneNumberInteraction.showDisambiguationDialog", "activity finishing");
       return;
     }

     if (activity.isDestroyed()) {
       // Check whether the activity is still running
       LogUtil.i("PhoneNumberInteraction.showDisambiguationDialog", "activity destroyed");
       return;
     }

     try {
       PhoneDisambiguationDialogFragment.show(
           activity.getSupportFragmentManager(),
           phoneList,
           interactionType,
           isVideoCall,
           callSpecificAppData);
     } catch (IllegalStateException e) {
       // ignore to be safe. Shouldn't happen because we checked the
       // activity wasn't destroyed, but to be safe.
       LogUtil.e("PhoneNumberInteraction.showDisambiguationDialog", "caught exception", e);
     }
   }

   /** A model object for capturing a phone number for a given contact. */
   private static class PhoneItem implements Parcelable, Collapsible<PhoneItem> {

     public static final Parcelable.Creator<PhoneItem> CREATOR =
         new Parcelable.Creator<PhoneItem>() {
           @Override
           public PhoneItem createFromParcel(Parcel in) {
             return new PhoneItem(in);
           }

           @Override
           public PhoneItem[] newArray(int size) {
             return new PhoneItem[size];
           }
         };
     long id;
     String phoneNumber;
     String accountType;
     String dataSet;
     long type;
     String label;
     /** {@link Phone#CONTENT_ITEM_TYPE} or {@link SipAddress#CONTENT_ITEM_TYPE}. */
     String mimeType;

     private PhoneItem() {}

     private PhoneItem(Parcel in) {
       this.id = in.readLong();
       this.phoneNumber = in.readString();
       this.accountType = in.readString();
       this.dataSet = in.readString();
       this.type = in.readLong();
       this.label = in.readString();
       this.mimeType = in.readString();
     }

     @Override
     public void writeToParcel(Parcel dest, int flags) {
       dest.writeLong(id);
       dest.writeString(phoneNumber);
       dest.writeString(accountType);
       dest.writeString(dataSet);
       dest.writeLong(type);
       dest.writeString(label);
       dest.writeString(mimeType);
     }

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

     @Override
     public void collapseWith(PhoneItem phoneItem) {
       // Just keep the number and id we already have.
     }

     @Override
     public boolean shouldCollapseWith(PhoneItem phoneItem, Context context) {
       return MoreContactUtils.shouldCollapse(
           Phone.CONTENT_ITEM_TYPE, phoneNumber, Phone.CONTENT_ITEM_TYPE, phoneItem.phoneNumber);
     }

     @Override
     public String toString() {
       return phoneNumber;
     }
   }

   /** A list adapter that populates the list of contact's phone numbers. */
   private static class PhoneItemAdapter extends ArrayAdapter<PhoneItem> {

     private final int interactionType;

     PhoneItemAdapter(Context context, List<PhoneItem> list, int interactionType) {
       super(context, R.layout.phone_disambig_item, android.R.id.text2, list);
       this.interactionType = interactionType;
     }

     @Override
     public View getView(int position, View convertView, ViewGroup parent) {
       final View view = super.getView(position, convertView, parent);

       final PhoneItem item = getItem(position);
       Assert.isNotNull(item, "Null item at position: %d", position);
       final TextView typeView = (TextView) view.findViewById(android.R.id.text1);
       CharSequence value =
           ContactDisplayUtils.getLabelForCallOrSms(
               (int) item.type, item.label, interactionType, getContext());

       typeView.setText(value);
       return view;
     }
   }

   /**
    * {@link DialogFragment} used for displaying a dialog with a list of phone numbers of which one
    * will be chosen to make a call or initiate an sms message.
    *
    * <p>It is recommended to use {@link #startInteractionForPhoneCall(TransactionSafeActivity, Uri,
    * boolean, CallSpecificAppData)} instead of directly using this class, as those methods handle
    * one or multiple data cases appropriately.
    *
    * <p>This fragment may only be attached to activities which implement {@link
    * DisambigDialogDismissedListener}.
    */
   @SuppressWarnings("WeakerAccess") // Made public to let the system reach this class
   public static class PhoneDisambiguationDialogFragment extends DialogFragment
       implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener {

     private static final String ARG_PHONE_LIST = "phoneList";
     private static final String ARG_INTERACTION_TYPE = "interactionType";
     private static final String ARG_IS_VIDEO_CALL = "is_video_call";

     private int interactionType;
     private ListAdapter phonesAdapter;
     private List<PhoneItem> phoneList;
     private CallSpecificAppData callSpecificAppData;
     private boolean isVideoCall;

     public PhoneDisambiguationDialogFragment() {
       super();
     }

     public static void show(
         FragmentManager fragmentManager,
         ArrayList<PhoneItem> phoneList,
         int interactionType,
         boolean isVideoCall,
         CallSpecificAppData callSpecificAppData) {
       PhoneDisambiguationDialogFragment fragment = new PhoneDisambiguationDialogFragment();
       Bundle bundle = new Bundle();
       bundle.putParcelableArrayList(ARG_PHONE_LIST, phoneList);
       bundle.putInt(ARG_INTERACTION_TYPE, interactionType);
       bundle.putBoolean(ARG_IS_VIDEO_CALL, isVideoCall);
       CallIntentParser.putCallSpecificAppData(bundle, callSpecificAppData);
       fragment.setArguments(bundle);
       fragment.show(fragmentManager, TAG);
     }

     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
       final Activity activity = getActivity();
       Assert.checkState(activity instanceof DisambigDialogDismissedListener);

       phoneList = getArguments().getParcelableArrayList(ARG_PHONE_LIST);
       interactionType = getArguments().getInt(ARG_INTERACTION_TYPE);
       isVideoCall = getArguments().getBoolean(ARG_IS_VIDEO_CALL);
       callSpecificAppData = CallIntentParser.getCallSpecificAppData(getArguments());

       phonesAdapter = new PhoneItemAdapter(activity, phoneList, interactionType);
       final LayoutInflater inflater = activity.getLayoutInflater();
       @SuppressLint("InflateParams") // Allowed since dialog view is not available yet
       final View setPrimaryView = inflater.inflate(R.layout.set_primary_checkbox, null);
       return new AlertDialog.Builder(activity)
           .setAdapter(phonesAdapter, this)
           .setTitle(
               interactionType == ContactDisplayUtils.INTERACTION_SMS
                   ? R.string.sms_disambig_title
                   : R.string.call_disambig_title)
           .setView(setPrimaryView)
           .create();
     }

     @Override
     public void onClick(DialogInterface dialog, int which) {
       final Activity activity = getActivity();
       if (activity == null) {
         return;
       }
       final AlertDialog alertDialog = (AlertDialog) dialog;
       if (phoneList.size() > which && which >= 0) {
         final PhoneItem phoneItem = phoneList.get(which);
         final CheckBox checkBox = (CheckBox) alertDialog.findViewById(R.id.setPrimary);
         if (checkBox.isChecked()) {
           // Request to mark the data as primary in the background.
           final Intent serviceIntent =
               ContactUpdateService.createSetSuperPrimaryIntent(activity, phoneItem.id);
           activity.startService(serviceIntent);
         }

         PhoneNumberInteraction.performAction(
             activity, phoneItem.phoneNumber, interactionType, isVideoCall, callSpecificAppData);
       } else {
         dialog.dismiss();
       }
     }

     @Override
     public void onDismiss(DialogInterface dialogInterface) {
       super.onDismiss(dialogInterface);
       Activity activity = getActivity();
       if (activity != null) {
         ((DisambigDialogDismissedListener) activity).onDisambigDialogDismissed();
       }
     }
   }
 }
	/*
	* Copyright (C) 2010 The Android Open Source Project
	* Copyright (C) 2023 The LineageOS Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package com.android.dialer.interactions;

	import android.Manifest.permission;
	import android.annotation.SuppressLint;
	import android.app.Activity;
	import android.app.AlertDialog;
	import android.app.Dialog;
	import android.content.Context;
	import android.content.DialogInterface;
	import android.content.Intent;
	import android.database.Cursor;
	import android.net.Uri;
	import android.os.Bundle;
	import android.os.Parcel;
	import android.os.Parcelable;
	import android.provider.ContactsContract.CommonDataKinds.Phone;
	import android.provider.ContactsContract.CommonDataKinds.SipAddress;
	import android.provider.ContactsContract.Contacts;
	import android.provider.ContactsContract.Data;
	import android.provider.ContactsContract.RawContacts;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.ArrayAdapter;
	import android.widget.CheckBox;
	import android.widget.ListAdapter;
	import android.widget.TextView;

	import androidx.annotation.IntDef;
	import androidx.core.app.ActivityCompat;
	import androidx.fragment.app.DialogFragment;
	import androidx.fragment.app.FragmentActivity;
	import androidx.fragment.app.FragmentManager;
	import androidx.loader.content.CursorLoader;
	import androidx.loader.content.Loader;

	import com.android.contacts.common.Collapser;
	import com.android.contacts.common.Collapser.Collapsible;
	import com.android.contacts.common.MoreContactUtils;
	import com.android.contacts.common.util.ContactDisplayUtils;
	import com.android.dialer.R;
	import com.android.dialer.callintent.CallIntentBuilder;
	import com.android.dialer.callintent.CallIntentParser;
	import com.android.dialer.callintent.CallSpecificAppData;
	import com.android.dialer.common.Assert;
	import com.android.dialer.common.LogUtil;
	import com.android.dialer.precall.PreCall;
	import com.android.dialer.util.DialerUtils;
	import com.android.dialer.util.PermissionsUtil;
	import com.android.dialer.util.TransactionSafeActivity;

	import java.lang.annotation.Retention;
	import java.lang.annotation.RetentionPolicy;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.List;

	/**
	* Initiates phone calls or a text message. If there are multiple candidates, this class shows a
	* dialog to pick one. Creating one of these interactions should be done through the static factory
	* methods.
	*
	* <p>Note that this class initiates not only usual phone calls but also SIP calls.
	*
	* <p>TODO: clean up code and documents since it is quite confusing to use "phone numbers" or "phone
	* calls" here while they can be SIP addresses or SIP calls (See also issue 5039627).
	*/
	public class PhoneNumberInteraction implements Loader.OnLoadCompleteListener<Cursor> {

	static final String TAG = PhoneNumberInteraction.class.getSimpleName();
	/** The identifier for a permissions request if one is generated. */
	public static final int REQUEST_READ_CONTACTS = 1;

	public static final int REQUEST_CALL_PHONE = 2;

	private static final String[] PHONE_NUMBER_PROJECTION =
	new String[] {
	Phone._ID,
	Phone.NUMBER,
	Phone.IS_SUPER_PRIMARY,
	RawContacts.ACCOUNT_TYPE,
	RawContacts.DATA_SET,
	Phone.TYPE,
	Phone.LABEL,
	Phone.MIMETYPE,
	Phone.CONTACT_ID,
	};

	private static final String PHONE_NUMBER_SELECTION =
	Data.MIMETYPE
	+ " IN ('"
	+ Phone.CONTENT_ITEM_TYPE
	+ "', "
	+ "'"
	+ SipAddress.CONTENT_ITEM_TYPE
	+ "') AND "
	+ Data.DATA1
	+ " NOT NULL";
	private static final int UNKNOWN_CONTACT_ID = -1;
	private final Context context;
	private final int interactionType;
	private final CallSpecificAppData callSpecificAppData;
	private long contactId = UNKNOWN_CONTACT_ID;
	private CursorLoader loader;
	private boolean isVideoCall;

	/** Error codes for interactions. */
	@Retention(RetentionPolicy.SOURCE)
	@IntDef(
	value = {
	InteractionErrorCode.CONTACT_NOT_FOUND,
	InteractionErrorCode.CONTACT_HAS_NO_NUMBER,
	InteractionErrorCode.USER_LEAVING_ACTIVITY,
	InteractionErrorCode.OTHER_ERROR
	}
	)
	public @interface InteractionErrorCode {

	int CONTACT_NOT_FOUND = 1;
	int CONTACT_HAS_NO_NUMBER = 2;
	int OTHER_ERROR = 3;
	int USER_LEAVING_ACTIVITY = 4;
	}

	/**
	* Activities which use this class must implement this. They will be notified if there was an
	* error performing the interaction. For example, this callback will be invoked on the activity if
	* the contact URI provided points to a deleted contact, or to a contact without a phone number.
	*/
	public interface InteractionErrorListener {

	void interactionError(@InteractionErrorCode int interactionErrorCode);
	}

	/**
	* Activities which use this class must implement this. They will be notified if the phone number
	* disambiguation dialog is dismissed.
	*/
	public interface DisambigDialogDismissedListener {
	void onDisambigDialogDismissed();
	}

	private PhoneNumberInteraction(
	Context context,
	int interactionType,
	boolean isVideoCall,
	CallSpecificAppData callSpecificAppData) {
	this.context = context;
	this.interactionType = interactionType;
	this.callSpecificAppData = callSpecificAppData;
	this.isVideoCall = isVideoCall;

	Assert.checkArgument(context instanceof InteractionErrorListener);
	Assert.checkArgument(context instanceof DisambigDialogDismissedListener);
	Assert.checkArgument(context instanceof ActivityCompat.OnRequestPermissionsResultCallback);
	}

	private static void performAction(
	Context context,
	String phoneNumber,
	int interactionType,
	boolean isVideoCall,
	CallSpecificAppData callSpecificAppData) {
	Intent intent;
	switch (interactionType) {
	case ContactDisplayUtils.INTERACTION_SMS:
	intent = new Intent(Intent.ACTION_SENDTO, Uri.fromParts("sms", phoneNumber, null));
	break;
	default:
	intent =
	PreCall.getIntent(
	context,
	new CallIntentBuilder(phoneNumber, callSpecificAppData)
	.setIsVideoCall(isVideoCall)
	.setAllowAssistedDial(callSpecificAppData.getAllowAssistedDialing()));
	break;
	}
	DialerUtils.startActivityWithErrorToast(context, intent);
	}

	/**
	* @param activity that is calling this interaction. This must be of type {@link
	* TransactionSafeActivity} because we need to check on the activity state after the phone
	* numbers have been queried for. The activity must implement {@link InteractionErrorListener}
	* and {@link DisambigDialogDismissedListener}.
	* @param isVideoCall {@code true} if the call is a video call, {@code false} otherwise.
	*/
	public static void startInteractionForPhoneCall(
	TransactionSafeActivity activity,
	Uri uri,
	boolean isVideoCall,
	CallSpecificAppData callSpecificAppData) {
	new PhoneNumberInteraction(
	activity, ContactDisplayUtils.INTERACTION_CALL, isVideoCall, callSpecificAppData)
	.startInteraction(uri);
	}

	private void performAction(String phoneNumber) {
	PhoneNumberInteraction.performAction(
	context, phoneNumber, interactionType, isVideoCall, callSpecificAppData);
	}

	/**
	* Initiates the interaction to result in either a phone call or sms message for a contact.
	*
	* @param uri Contact Uri
	*/
	private void startInteraction(Uri uri) {
	// It's possible for a shortcut to have been created, and then permissions revoked. To avoid a
	// crash when the user tries to use such a shortcut, check for this condition and ask the user
	// for the permission.
	if (!PermissionsUtil.hasPhonePermissions(context)) {
	LogUtil.i("PhoneNumberInteraction.startInteraction", "Need phone permission: CALL_PHONE");
	ActivityCompat.requestPermissions(
	(Activity) context, new String[] {permission.CALL_PHONE}, REQUEST_CALL_PHONE);
	return;
	}

	String[] deniedContactsPermissions =
	PermissionsUtil.getPermissionsCurrentlyDenied(
	context, PermissionsUtil.allContactsGroupPermissionsUsedInDialer);
	if (deniedContactsPermissions.length > 0) {
	LogUtil.i(
	"PhoneNumberInteraction.startInteraction",
	"Need contact permissions: " + Arrays.toString(deniedContactsPermissions));
	ActivityCompat.requestPermissions(
	(Activity) context, deniedContactsPermissions, REQUEST_READ_CONTACTS);
	return;
	}

	if (loader != null) {
	loader.reset();
	}
	final Uri queryUri;
	final String inputUriAsString = uri.toString();
	if (inputUriAsString.startsWith(Contacts.CONTENT_URI.toString())) {
	if (!inputUriAsString.endsWith(Contacts.Data.CONTENT_DIRECTORY)) {
	queryUri = Uri.withAppendedPath(uri, Contacts.Data.CONTENT_DIRECTORY);
	} else {
	queryUri = uri;
	}
	} else if (inputUriAsString.startsWith(Data.CONTENT_URI.toString())) {
	queryUri = uri;
	} else {
	throw new UnsupportedOperationException(
	"Input Uri must be contact Uri or data Uri (input: \"" + uri + "\")");
	}

	loader =
	new CursorLoader(
	context, queryUri, PHONE_NUMBER_PROJECTION, PHONE_NUMBER_SELECTION, null, null);
	loader.registerListener(0, this);
	loader.startLoading();
	}

	@Override
	public void onLoadComplete(Loader<Cursor> loader, Cursor cursor) {
	if (cursor == null) {
	LogUtil.i("PhoneNumberInteraction.onLoadComplete", "null cursor");
	interactionError(InteractionErrorCode.OTHER_ERROR);
	return;
	}
	try {
	ArrayList<PhoneItem> phoneList = new ArrayList<>();
	String primaryPhone = null;
	if (!isSafeToCommitTransactions()) {
	LogUtil.i("PhoneNumberInteraction.onLoadComplete", "not safe to commit transaction");
	interactionError(InteractionErrorCode.USER_LEAVING_ACTIVITY);
	return;
	}
	if (cursor.moveToFirst()) {
	int contactIdColumn = cursor.getColumnIndexOrThrow(Phone.CONTACT_ID);
	int isSuperPrimaryColumn = cursor.getColumnIndexOrThrow(Phone.IS_SUPER_PRIMARY);
	int phoneNumberColumn = cursor.getColumnIndexOrThrow(Phone.NUMBER);
	int phoneIdColumn = cursor.getColumnIndexOrThrow(Phone._ID);
	int accountTypeColumn = cursor.getColumnIndexOrThrow(RawContacts.ACCOUNT_TYPE);
	int dataSetColumn = cursor.getColumnIndexOrThrow(RawContacts.DATA_SET);
	int phoneTypeColumn = cursor.getColumnIndexOrThrow(Phone.TYPE);
	int phoneLabelColumn = cursor.getColumnIndexOrThrow(Phone.LABEL);
	int phoneMimeTpeColumn = cursor.getColumnIndexOrThrow(Phone.MIMETYPE);
	do {
	if (contactId == UNKNOWN_CONTACT_ID) {
	contactId = cursor.getLong(contactIdColumn);
	}

	if (cursor.getInt(isSuperPrimaryColumn) != 0) {
	// Found super primary, call it.
	primaryPhone = cursor.getString(phoneNumberColumn);
	}

	PhoneItem item = new PhoneItem();
	item.id = cursor.getLong(phoneIdColumn);
	item.phoneNumber = cursor.getString(phoneNumberColumn);
	item.accountType = cursor.getString(accountTypeColumn);
	item.dataSet = cursor.getString(dataSetColumn);
	item.type = cursor.getInt(phoneTypeColumn);
	item.label = cursor.getString(phoneLabelColumn);
	item.mimeType = cursor.getString(phoneMimeTpeColumn);

	phoneList.add(item);
	} while (cursor.moveToNext());
	} else {
	interactionError(InteractionErrorCode.CONTACT_NOT_FOUND);
	return;
	}

	if (primaryPhone != null) {
	performAction(primaryPhone);
	return;
	}

	Collapser.collapseList(phoneList, context);
	if (phoneList.size() == 0) {
	interactionError(InteractionErrorCode.CONTACT_HAS_NO_NUMBER);
	} else if (phoneList.size() == 1) {
	PhoneItem item = phoneList.get(0);
	performAction(item.phoneNumber);
	} else {
	// There are multiple candidates. Let the user choose one.
	showDisambiguationDialog(phoneList);
	}
	} finally {
	cursor.close();
	}
	}

	private void interactionError(@InteractionErrorCode int interactionErrorCode) {
	// mContext is really the activity -- see ctor docs.
	((InteractionErrorListener) context).interactionError(interactionErrorCode);
	}

	private boolean isSafeToCommitTransactions() {
	return !(context instanceof TransactionSafeActivity)
	\|\| ((TransactionSafeActivity) context).isSafeToCommitTransactions();
	}

	private void showDisambiguationDialog(ArrayList<PhoneItem> phoneList) {
	// TODO(a bug): don't leak the activity
	final FragmentActivity activity = (FragmentActivity) context;
	if (activity.isFinishing()) {
	LogUtil.i("PhoneNumberInteraction.showDisambiguationDialog", "activity finishing");
	return;
	}

	if (activity.isDestroyed()) {
	// Check whether the activity is still running
	LogUtil.i("PhoneNumberInteraction.showDisambiguationDialog", "activity destroyed");
	return;
	}

	try {
	PhoneDisambiguationDialogFragment.show(
	activity.getSupportFragmentManager(),
	phoneList,
	interactionType,
	isVideoCall,
	callSpecificAppData);
	} catch (IllegalStateException e) {
	// ignore to be safe. Shouldn't happen because we checked the
	// activity wasn't destroyed, but to be safe.
	LogUtil.e("PhoneNumberInteraction.showDisambiguationDialog", "caught exception", e);
	}
	}

	/** A model object for capturing a phone number for a given contact. */
	private static class PhoneItem implements Parcelable, Collapsible<PhoneItem> {

	public static final Parcelable.Creator<PhoneItem> CREATOR =
	new Parcelable.Creator<PhoneItem>() {
	@Override
	public PhoneItem createFromParcel(Parcel in) {
	return new PhoneItem(in);
	}

	@Override
	public PhoneItem[] newArray(int size) {
	return new PhoneItem[size];
	}
	};
	long id;
	String phoneNumber;
	String accountType;
	String dataSet;
	long type;
	String label;
	/** {@link Phone#CONTENT_ITEM_TYPE} or {@link SipAddress#CONTENT_ITEM_TYPE}. */
	String mimeType;

	private PhoneItem() {}

	private PhoneItem(Parcel in) {
	this.id = in.readLong();
	this.phoneNumber = in.readString();
	this.accountType = in.readString();
	this.dataSet = in.readString();
	this.type = in.readLong();
	this.label = in.readString();
	this.mimeType = in.readString();
	}

	@Override
	public void writeToParcel(Parcel dest, int flags) {
	dest.writeLong(id);
	dest.writeString(phoneNumber);
	dest.writeString(accountType);
	dest.writeString(dataSet);
	dest.writeLong(type);
	dest.writeString(label);
	dest.writeString(mimeType);
	}

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

	@Override
	public void collapseWith(PhoneItem phoneItem) {
	// Just keep the number and id we already have.
	}

	@Override
	public boolean shouldCollapseWith(PhoneItem phoneItem, Context context) {
	return MoreContactUtils.shouldCollapse(
	Phone.CONTENT_ITEM_TYPE, phoneNumber, Phone.CONTENT_ITEM_TYPE, phoneItem.phoneNumber);
	}

	@Override
	public String toString() {
	return phoneNumber;
	}
	}

	/** A list adapter that populates the list of contact's phone numbers. */
	private static class PhoneItemAdapter extends ArrayAdapter<PhoneItem> {

	private final int interactionType;

	PhoneItemAdapter(Context context, List<PhoneItem> list, int interactionType) {
	super(context, R.layout.phone_disambig_item, android.R.id.text2, list);
	this.interactionType = interactionType;
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
	final View view = super.getView(position, convertView, parent);

	final PhoneItem item = getItem(position);
	Assert.isNotNull(item, "Null item at position: %d", position);
	final TextView typeView = (TextView) view.findViewById(android.R.id.text1);
	CharSequence value =
	ContactDisplayUtils.getLabelForCallOrSms(
	(int) item.type, item.label, interactionType, getContext());

	typeView.setText(value);
	return view;
	}
	}

	/**
	* {@link DialogFragment} used for displaying a dialog with a list of phone numbers of which one
	* will be chosen to make a call or initiate an sms message.
	*
	* <p>It is recommended to use {@link #startInteractionForPhoneCall(TransactionSafeActivity, Uri,
	* boolean, CallSpecificAppData)} instead of directly using this class, as those methods handle
	* one or multiple data cases appropriately.
	*
	* <p>This fragment may only be attached to activities which implement {@link
	* DisambigDialogDismissedListener}.
	*/
	@SuppressWarnings("WeakerAccess") // Made public to let the system reach this class
	public static class PhoneDisambiguationDialogFragment extends DialogFragment
	implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener {

	private static final String ARG_PHONE_LIST = "phoneList";
	private static final String ARG_INTERACTION_TYPE = "interactionType";
	private static final String ARG_IS_VIDEO_CALL = "is_video_call";

	private int interactionType;
	private ListAdapter phonesAdapter;
	private List<PhoneItem> phoneList;
	private CallSpecificAppData callSpecificAppData;
	private boolean isVideoCall;

	public PhoneDisambiguationDialogFragment() {
	super();
	}

	public static void show(
	FragmentManager fragmentManager,
	ArrayList<PhoneItem> phoneList,
	int interactionType,
	boolean isVideoCall,
	CallSpecificAppData callSpecificAppData) {
	PhoneDisambiguationDialogFragment fragment = new PhoneDisambiguationDialogFragment();
	Bundle bundle = new Bundle();
	bundle.putParcelableArrayList(ARG_PHONE_LIST, phoneList);
	bundle.putInt(ARG_INTERACTION_TYPE, interactionType);
	bundle.putBoolean(ARG_IS_VIDEO_CALL, isVideoCall);
	CallIntentParser.putCallSpecificAppData(bundle, callSpecificAppData);
	fragment.setArguments(bundle);
	fragment.show(fragmentManager, TAG);
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
	final Activity activity = getActivity();
	Assert.checkState(activity instanceof DisambigDialogDismissedListener);

	phoneList = getArguments().getParcelableArrayList(ARG_PHONE_LIST);
	interactionType = getArguments().getInt(ARG_INTERACTION_TYPE);
	isVideoCall = getArguments().getBoolean(ARG_IS_VIDEO_CALL);
	callSpecificAppData = CallIntentParser.getCallSpecificAppData(getArguments());

	phonesAdapter = new PhoneItemAdapter(activity, phoneList, interactionType);
	final LayoutInflater inflater = activity.getLayoutInflater();
	@SuppressLint("InflateParams") // Allowed since dialog view is not available yet
	final View setPrimaryView = inflater.inflate(R.layout.set_primary_checkbox, null);
	return new AlertDialog.Builder(activity)
	.setAdapter(phonesAdapter, this)
	.setTitle(
	interactionType == ContactDisplayUtils.INTERACTION_SMS
	? R.string.sms_disambig_title
	: R.string.call_disambig_title)
	.setView(setPrimaryView)
	.create();
	}

	@Override
	public void onClick(DialogInterface dialog, int which) {
	final Activity activity = getActivity();
	if (activity == null) {
	return;
	}
	final AlertDialog alertDialog = (AlertDialog) dialog;
	if (phoneList.size() > which && which >= 0) {
	final PhoneItem phoneItem = phoneList.get(which);
	final CheckBox checkBox = (CheckBox) alertDialog.findViewById(R.id.setPrimary);
	if (checkBox.isChecked()) {
	// Request to mark the data as primary in the background.
	final Intent serviceIntent =
	ContactUpdateService.createSetSuperPrimaryIntent(activity, phoneItem.id);
	activity.startService(serviceIntent);
	}

	PhoneNumberInteraction.performAction(
	activity, phoneItem.phoneNumber, interactionType, isVideoCall, callSpecificAppData);
	} else {
	dialog.dismiss();
	}
	}

	@Override
	public void onDismiss(DialogInterface dialogInterface) {
	super.onDismiss(dialogInterface);
	Activity activity = getActivity();
	if (activity != null) {
	((DisambigDialogDismissedListener) activity).onDisambigDialogDismissed();
	}
	}
	}
	}