refactored phone contact loading in preperation for sync

2 files changed, 112 insertions, 0 deletions

diff --git a/src/main/java/de/pixart/messenger/android/AbstractPhoneContact.java b/src/main/java/de/pixart/messenger/android/AbstractPhoneContact.java
new file mode 100644
index 000000000..abab89aee
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/android/AbstractPhoneContact.java
@@ -0,0 +1,39 @@
+package de.pixart.messenger.android;
+
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.ContactsContract;
+import android.text.TextUtils;
+
+abstract class AbstractPhoneContact {
+
+    private final Uri lookupUri;
+    private final String displayName;
+    private final String photoUri;
+
+
+    AbstractPhoneContact(Cursor cursor) {
+        int phoneId = cursor.getInt(cursor.getColumnIndex(ContactsContract.Data._ID));
+        String lookupKey = cursor.getString(cursor.getColumnIndex(ContactsContract.Data.LOOKUP_KEY));
+        this.lookupUri = ContactsContract.Contacts.getLookupUri(phoneId, lookupKey);
+        this.displayName = cursor.getString(cursor.getColumnIndex(ContactsContract.Data.DISPLAY_NAME));
+        this.photoUri = cursor.getString(cursor.getColumnIndex(ContactsContract.Data.PHOTO_URI));
+    }
+
+    public Uri getLookupUri() {
+        return lookupUri;
+    }
+
+    public String getDisplayName() {
+        return displayName;
+    }
+
+    public String getPhotoUri() {
+        return photoUri;
+    }
+
+
+    public int rating() {
+        return (TextUtils.isEmpty(displayName) ? 0 : 2) + (TextUtils.isEmpty(photoUri) ? 0 : 1);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/android/JabberIdContact.java b/src/main/java/de/pixart/messenger/android/JabberIdContact.java
new file mode 100644
index 000000000..bfafb54c9
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/android/JabberIdContact.java
@@ -0,0 +1,73 @@
+package de.pixart.messenger.android;
+
+import android.Manifest;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.database.Cursor;
+import android.os.Build;
+import android.provider.ContactsContract;
+import android.util.Log;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import de.pixart.messenger.Config;
+import rocks.xmpp.addr.Jid;
+
+public class JabberIdContact extends AbstractPhoneContact {
+
+    private final Jid jid;
+
+    private JabberIdContact(Cursor cursor) throws IllegalArgumentException {
+        super(cursor);
+        try {
+            this.jid = Jid.of(cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Im.DATA)));
+        } catch (IllegalArgumentException | NullPointerException e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    public Jid getJid() {
+        return jid;
+    }
+
+    public static Map<Jid, JabberIdContact> load(Context context) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && context.checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
+            return Collections.emptyMap();
+        }
+        final String[] PROJECTION = new String[]{ContactsContract.Data._ID,
+                ContactsContract.Data.DISPLAY_NAME,
+                ContactsContract.Data.PHOTO_URI,
+                ContactsContract.Data.LOOKUP_KEY,
+                ContactsContract.CommonDataKinds.Im.DATA};
+
+        final String SELECTION = "(" + ContactsContract.Data.MIMETYPE + "=\""
+                + ContactsContract.CommonDataKinds.Im.CONTENT_ITEM_TYPE
+                + "\") AND (" + ContactsContract.CommonDataKinds.Im.PROTOCOL
+                + "=\"" + ContactsContract.CommonDataKinds.Im.PROTOCOL_JABBER
+                + "\")";
+        final Cursor cursor;
+        try {
+            cursor = context.getContentResolver().query(ContactsContract.Data.CONTENT_URI, PROJECTION, SELECTION, null, null);
+        } catch (Exception e) {
+            return Collections.emptyMap();
+        }
+        final HashMap<Jid, JabberIdContact> contacts = new HashMap<>();
+        while (cursor != null && cursor.moveToNext()) {
+            try {
+                final JabberIdContact contact = new JabberIdContact(cursor);
+                final JabberIdContact preexisting = contacts.put(contact.getJid(), contact);
+                if (preexisting == null || preexisting.rating() < contact.rating()) {
+                    contacts.put(contact.getJid(), contact);
+                }
+            } catch (IllegalArgumentException e) {
+                Log.d(Config.LOGTAG,"unable to create jabber id contact");
+            }
+        }
+        if (cursor != null) {
+            cursor.close();
+        }
+        return contacts;
+    }
+}
\ No newline at end of file