commit 1dd0f8bf51d4e2befe0caece0e361a96ae697f41
author Sunny Goyal <sunnygoyal@google.com> Mon Jul 06 13:04:02 2015 -0700
committer Sunny Goyal <sunnygoyal@google.com> Mon Jul 06 13:04:32 2015 -0700
tree 27fd33d610cfc7c279a807e30d1babb379b05645
parent bccc43bd8bae92e3e06099a5f4d6a5d5f1ec07df

Using cellX and cellY for comparing position when rank is not available

Bug: 22059402
Change-Id: I69ec2b9b68610e171e76cd968de77aaed669672c

src/com/android/launcher3/Folder.java

diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index 85f58a1..657fb7d 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -61,6 +61,7 @@
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Comparator;
 
 /**
  * Represents a set of icons chosen by the user or generated by the system.
@@ -362,7 +363,7 @@
     void bind(FolderInfo info) {
         mInfo = info;
         ArrayList<ShortcutInfo> children = info.contents;
-        Collections.sort(children, Utilities.RANK_COMPARATOR);
+        Collections.sort(children, ITEM_POS_COMPARATOR);
 
         ArrayList<ShortcutInfo> overflow = mContent.bindItems(children);
 
@@ -1395,4 +1396,19 @@
             onDragOver(mDragObject, 1);
         }
     }
+
+    // Compares item position based on rank and position giving priority to the rank.
+    private static final Comparator<ItemInfo> ITEM_POS_COMPARATOR = new Comparator<ItemInfo>() {
+
+        @Override
+        public int compare(ItemInfo lhs, ItemInfo rhs) {
+            if (lhs.rank != rhs.rank) {
+                return lhs.rank - rhs.rank;
+            } else if (lhs.cellY != rhs.cellY) {
+                return lhs.cellY - rhs.cellY;
+            } else {
+                return lhs.cellX - rhs.cellX;
+            }
+        }
+    };
 }