SysUI: Stop wifi scanning so much

Seems that QS to end up in a listening state while the phone is sleeping
so switch scanning to only happen while the detail panel is showing.

Bug: 20137092
Change-Id: Ib067531c8af75f9f93b10e087b6fc252b5e508fa

3 files changed, 13 insertions, 1 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index f4fd6a297a73..b5c1ca893686 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -338,6 +338,7 @@ public class QSPanel extends ViewGroup {
             r.detailAdapter = r.tile.getDetailAdapter();
             if (r.detailAdapter == null) return;
         }
+        r.tile.setDetailListening(show);
         int x = r.tileView.getLeft() + r.tileView.getWidth() / 2;
         int y = r.tileView.getTop() + r.tileView.getHeight() / 2;
         handleShowDetailImpl(r, show, x, y);
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
index 5a84db547e1e..b9574dc12ec3 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
@@ -149,6 +149,10 @@ public abstract class QSTile<TState extends State> implements Listenable {
         return mState;
     }
 
+    public void setDetailListening(boolean listening) {
+        // optional
+    }
+
     // call only on tile worker looper
 
     private void handleSetCallback(Callback callback) {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
index 70746c746976..d589366e7958 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
@@ -67,9 +67,16 @@ public class WifiTile extends QSTile<QSTile.SignalState> {
     public void setListening(boolean listening) {
         if (listening) {
             mController.addNetworkSignalChangedCallback(mCallback);
-            mWifiController.addAccessPointCallback(mDetailAdapter);
         } else {
             mController.removeNetworkSignalChangedCallback(mCallback);
+        }
+    }
+
+    @Override
+    public void setDetailListening(boolean listening) {
+        if (listening) {
+            mWifiController.addAccessPointCallback(mDetailAdapter);
+        } else {
             mWifiController.removeAccessPointCallback(mDetailAdapter);
         }
     }