PagedView: Don't Clear Dirty Pages

This fixes the lag in drawer after everything is initially loaded.
Before this the furthest (last) page was getting cleared and
reloaded many times and this caused lag.

Change-Id: I62354ffba2147b93e4a4daf3fa072eb9d0bc41d2

1 files changed, 4 insertions, 1 deletions

diff --git a/src/com/cyanogenmod/trebuchet/PagedView.java b/src/com/cyanogenmod/trebuchet/PagedView.java
index 993aa60db..723ce3015 100644
--- a/src/com/cyanogenmod/trebuchet/PagedView.java
+++ b/src/com/cyanogenmod/trebuchet/PagedView.java
@@ -173,6 +173,9 @@ public abstract class PagedView extends ViewGroup {
     // All syncs and layout passes are deferred until data is ready.
     protected boolean mIsDataReady = false;
 
+    // Clear the furthest (last) page when it dirty
+    protected boolean mClearDirtyPages = false;
+
     // Scrolling indicator
     private ValueAnimator mScrollIndicatorAnimator;
     private ImageView mScrollIndicator;
@@ -1599,7 +1602,7 @@ public abstract class PagedView extends ViewGroup {
                             syncPageItems(i, (i == page) && immediateAndOnly);
                             mDirtyPageContent.set(i, false);
                         }
-                    } else {
+                    } else if (mClearDirtyPages) {
                         if (childCount > 0) {
                             layout.removeAllViewsOnPage();
                         }