am e99f20f5: Merge "Don\'t duplicate recent tasks of the same affinity." into mnc-dev

* commit 'e99f20f5873c00b35f2407e28e06ff9119f85088':
  Don't duplicate recent tasks of the same affinity.

1 files changed, 15 insertions, 5 deletions

diff --git a/services/core/java/com/android/server/am/RecentTasks.java b/services/core/java/com/android/server/am/RecentTasks.java
index 9f11def4abdb..6ee165093e39 100644
--- a/services/core/java/com/android/server/am/RecentTasks.java
+++ b/services/core/java/com/android/server/am/RecentTasks.java
@@ -446,13 +446,23 @@ class RecentTasks extends ArrayList<TaskRecord> {
                 if (i > MAX_RECENT_BITMAPS) {
                     tr.freeLastThumbnail();
                 }
-                if (task.realActivity == null || tr.realActivity == null ||
-                        !task.realActivity.equals(tr.realActivity)) {
+                final boolean sameAffinity =
+                        task.affinity != null && task.affinity.equals(tr.affinity);
+                final boolean trIsDocument = tr.intent != null && tr.intent.isDocument();
+                final boolean bothDocuments = document && trIsDocument;
+                if (!sameAffinity && !bothDocuments) {
+                    // Not the same affinity and not documents. Move along...
                     continue;
                 }
-                final boolean trIsDocument = tr.intent != null && tr.intent.isDocument();
-                if (document && trIsDocument) {
-                    // These are the same document activity (not necessarily the same doc).
+
+                if (bothDocuments) {
+                    // Do these documents belong to the same activity?
+                    final boolean sameActivity = task.realActivity != null
+                            && tr.realActivity != null
+                            && task.realActivity.equals(tr.realActivity);
+                    if (!sameActivity) {
+                        continue;
+                    }
                     if (maxRecents > 0) {
                         --maxRecents;
                         continue;