Save id list

app/src/main/java/com/todoroo/astrid/api/IdListFilter.java

@@ -1,6 +1,7 @@
 package com.todoroo.astrid.api;
 
 import android.os.Parcel;
+import com.google.common.primitives.Longs;
 import com.todoroo.andlib.sql.Join;
 import com.todoroo.andlib.sql.QueryTemplate;
 import com.todoroo.astrid.data.Task;
@@ -9,29 +10,29 @@ import org.tasks.data.Tag;
 
 public class IdListFilter extends Filter {
 
-  /** Parcelable Creator Object */
   public static final Creator<IdListFilter> CREATOR =
       new Creator<IdListFilter>() {
 
-        /** {@inheritDoc} */
         @Override
         public IdListFilter createFromParcel(Parcel source) {
-          IdListFilter item = new IdListFilter();
-          item.readFromParcel(source);
-          return item;
+          return new IdListFilter(source);
         }
 
-        /** {@inheritDoc} */
         @Override
         public IdListFilter[] newArray(int size) {
           return new IdListFilter[size];
         }
       };
 
-  private IdListFilter() {}
+  private List<Long> ids;
 
-  public IdListFilter(List<Long>ids) {
+  public IdListFilter(List<Long> ids) {
     super("", getQueryTemplate(ids));
+    this.ids = ids;
+  }
+
+  private IdListFilter(Parcel source) {
+    readFromParcel(source);
   }
 
   private static QueryTemplate getQueryTemplate(List<Long> ids) {
@@ -39,4 +40,19 @@ public class IdListFilter extends Filter {
         .join(Join.left(Tag.TABLE, Tag.TASK.eq(Task.ID)))
         .where(Task.ID.in(ids));
   }
+
+  @Override
+  public void writeToParcel(Parcel dest, int flags) {
+    super.writeToParcel(dest, flags);
+    dest.writeLongArray(Longs.toArray(ids));
+  }
+
+  @Override
+  protected void readFromParcel(Parcel source) {
+    super.readFromParcel(source);
+    long[] ids = new long[source.readInt()];
+    source.setDataPosition(source.dataPosition() - 1);
+    source.readLongArray(ids);
+    this.ids = Longs.asList(ids);
+  }
 }