fix: update widget after synchronization

app/src/main/java/it/niedermann/owncloud/notes/android/activity/EditNoteActivity.java

@@ -207,15 +207,7 @@ public class EditNoteActivity extends AppCompatActivity {
         data.putExtra(PARAM_NOTE, note);
         data.putExtra(PARAM_NOTE_POSITION, notePosition);
         setResult(RESULT_OK, data);
-        updateSingleNoteWidgets();
+        db.updateSingleNoteWidgets();
         finish();
     }
-
-
-    public void updateSingleNoteWidgets() {
-
-        Intent intent = new Intent(this, SingleNoteWidget.class);
-        intent.setAction("android.appwidget.action.APPWIDGET_UPDATE");
-        sendBroadcast(intent);
-    }
 }

app/src/main/java/it/niedermann/owncloud/notes/persistence/NoteSQLiteOpenHelper.java

@@ -2,6 +2,7 @@ package it.niedermann.owncloud.notes.persistence;
 
 import android.content.ContentValues;
 import android.content.Context;
+import android.content.Intent;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
@@ -16,6 +17,7 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 
+import it.niedermann.owncloud.notes.android.activity.SingleNoteWidget;
 import it.niedermann.owncloud.notes.model.DBNote;
 import it.niedermann.owncloud.notes.model.DBStatus;
 import it.niedermann.owncloud.notes.model.CloudNote;
@@ -445,4 +447,15 @@ public class NoteSQLiteOpenHelper extends SQLiteOpenHelper {
                 key_id + " = ? AND " + key_status + " = ?",
                 new String[]{String.valueOf(id), forceDBStatus.getTitle()});
     }
+
+
+    /**
+     * Update single note widget, if the note data was changed.
+     * TODO This should be replaced by using the observer pattern
+     */
+    public void updateSingleNoteWidgets() {
+        Intent intent = new Intent(getContext(), SingleNoteWidget.class);
+        intent.setAction("android.appwidget.action.APPWIDGET_UPDATE");
+        getContext().sendBroadcast(intent);
+    }
 }

app/src/main/java/it/niedermann/owncloud/notes/persistence/NoteServerSyncHelper.java

@@ -384,6 +384,7 @@ public class NoteServerSyncHelper {
             for (ICallback callback : callbacks) {
                 callback.onFinish();
             }
+            dbHelper.updateSingleNoteWidgets();
             // start next sync if scheduled meanwhile
             if(syncScheduled) {
                 scheduleSync(false);