commit 1bec6af01a1c5306e2ac0763ba79b17275c35e2d
author Jason Monk <jmonk@google.com> Tue May 31 15:40:58 2016 -0400
committer Jason Monk <jmonk@google.com> Thu Jun 02 13:59:07 2016 -0400
tree f748216cfa6464c94c209f31ce1ce1d992674235
parent 9d5c0b1c8eee5848df6a99f64ae9438a4642492d

QS: Only put visible tiles in listening state

 - Make it so the QSPanel doesn't listen until expansion starts
 - Push listening state through the TileLayout
 - Make PagedTileLayout only listen for visible pages
 - Push setListening onto background thread

Change-Id: Id7c008c9447f9a5dac69469fef72bc580f423b0c
Fixes: 28962155

packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java

diff --git a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
index 887adbe..e0b1d4a 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
@@ -55,6 +55,7 @@
             removeView((View) mTileLayout);
         }
         mTileLayout = new HeaderTileLayout(context);
+        mTileLayout.setListening(mListening);
         addView((View) mTileLayout, 1 /* Between brightness and footer */);
     }
 
@@ -146,6 +147,7 @@
     private static class HeaderTileLayout extends LinearLayout implements QSTileLayout {
 
         protected final ArrayList<TileRecord> mRecords = new ArrayList<>();
+        private boolean mListening;
 
         public HeaderTileLayout(Context context) {
             super(context);
@@ -156,6 +158,15 @@
         }
 
         @Override
+        public void setListening(boolean listening) {
+            if (mListening == listening) return;
+            mListening = listening;
+            for (TileRecord record : mRecords) {
+                record.tile.setListening(this, mListening);
+            }
+        }
+
+        @Override
         public void addTile(TileRecord tile) {
             if (getChildCount() != 0) {
                 // Add a spacer.
@@ -163,6 +174,7 @@
             }
             addView(tile.tileView, getChildCount(), generateLayoutParams());
             mRecords.add(tile);
+            tile.tile.setListening(this, mListening);
         }
 
         private LayoutParams generateSpaceParams() {
@@ -190,6 +202,7 @@
                 removeViewAt(childIndex);
             }
             mRecords.remove(tile);
+            tile.tile.setListening(this, false);
         }
 
         private int getChildIndex(QSTileBaseView tileView) {