open-keychain/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/keyview/loader/SystemContactDao.java
2018-07-02 14:50:11 +02:00

138 lines
4.9 KiB
Java

/*
* Copyright (C) 2017 Schürmann & Breitmoser GbR
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui.keyview.loader;
import java.util.List;
import android.Manifest;
import android.content.ContentResolver;
import android.content.Context;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.provider.ContactsContract;
import android.support.v4.content.ContextCompat;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.util.ContactHelper;
import timber.log.Timber;
public class SystemContactDao {
private static final String[] PROJECTION = {
ContactsContract.RawContacts.CONTACT_ID
};
private static final int INDEX_CONTACT_ID = 0;
private static final String CONTACT_NOT_DELETED = "0";
private final Context context;
private final ContentResolver contentResolver;
private final ContactHelper contactHelper;
public static SystemContactDao getInstance(Context context) {
ContactHelper contactHelper = new ContactHelper(context);
ContentResolver contentResolver = context.getContentResolver();
return new SystemContactDao(context, contactHelper, contentResolver);
}
private SystemContactDao(Context context, ContactHelper contactHelper, ContentResolver contentResolver) {
this.context = context;
this.contactHelper = contactHelper;
this.contentResolver = contentResolver;
}
public SystemContactInfo getSystemContactInfo(long masterKeyId, boolean isSecret) {
if (ContextCompat.checkSelfPermission(context, Manifest.permission.READ_CONTACTS)
== PackageManager.PERMISSION_DENIED) {
Timber.w(Constants.TAG, "loading linked system contact not possible READ_CONTACTS permission denied!");
return null;
}
Uri baseUri = isSecret ? ContactsContract.Profile.CONTENT_RAW_CONTACTS_URI :
ContactsContract.RawContacts.CONTENT_URI;
Cursor cursor = contentResolver.query(baseUri, PROJECTION,
ContactsContract.RawContacts.ACCOUNT_TYPE + " = ? AND " +
ContactsContract.RawContacts.SOURCE_ID + " = ? AND " +
ContactsContract.RawContacts.DELETED + " = ?",
new String[] {
Constants.ACCOUNT_TYPE,
Long.toString(masterKeyId),
CONTACT_NOT_DELETED
}, null);
if (cursor == null) {
Timber.e("Error loading key items!");
return null;
}
try {
if (!cursor.moveToFirst()) {
return null;
}
long contactId = cursor.getLong(INDEX_CONTACT_ID);
if (contactId == -1) {
return null;
}
String contactName = null;
if (isSecret) { //all secret keys are linked to "me" profile in contacts
List<String> mainProfileNames = contactHelper.getMainProfileContactName();
if (mainProfileNames != null && mainProfileNames.size() > 0) {
contactName = mainProfileNames.get(0);
}
} else {
contactName = contactHelper.getContactName(contactId);
}
if (contactName == null) {
return null;
}
Bitmap contactPicture;
if (isSecret) {
contactPicture = contactHelper.loadMainProfilePhoto(false);
} else {
contactPicture = contactHelper.loadPhotoByContactId(contactId, false);
}
return new SystemContactInfo(masterKeyId, contactId, contactName, contactPicture);
} finally {
cursor.close();
}
}
public static class SystemContactInfo {
final long masterKeyId;
public final long contactId;
public final String contactName;
public final Bitmap contactPicture;
SystemContactInfo(long masterKeyId, long contactId, String contactName, Bitmap contactPicture) {
this.masterKeyId = masterKeyId;
this.contactId = contactId;
this.contactName = contactName;
this.contactPicture = contactPicture;
}
}
}