Make QS only have one Host and Tiles

Finish previous work to only have one set of tiles so that updates
can be easily propogated from custom tiles to the UI.

Change-Id: Id5e13774f825b78d3c9e50c2d9f8ea1710b2e77b
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index 91f88b9..fd07e50 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -329,16 +329,19 @@
                     drawTile(r, state);
                 }
             }
+
             @Override
             public void onShowDetail(boolean show) {
                 QSPanel.this.showDetail(show, r);
             }
+
             @Override
             public void onToggleStateChanged(boolean state) {
                 if (mDetailRecord == r) {
                     fireToggleStateChanged(state);
                 }
             }
+
             @Override
             public void onScanStateChanged(boolean state) {
                 r.scanState = state;
@@ -352,7 +355,7 @@
                 announceForAccessibility(announcement);
             }
         };
-        r.tile.setCallback(callback);
+        r.tile.addCallback(callback);
         final View.OnClickListener click = new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -415,6 +418,9 @@
     }
 
     protected void handleShowDetail(Record r, boolean show) {
+        if (show && !mExpanded) {
+            mHost.animateExpandQS();
+        }
         if (r instanceof TileRecord) {
             handleShowDetailTile((TileRecord) r, show);
         } else {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
index 8ce6da2..2d9d105 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
@@ -43,6 +43,7 @@
 import com.android.systemui.statusbar.policy.UserSwitcherController;
 import com.android.systemui.statusbar.policy.ZenModeController;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Objects;
 
@@ -62,7 +63,7 @@
     protected final H mHandler;
     protected final Handler mUiHandler = new Handler(Looper.getMainLooper());
 
-    private Callback mCallback;
+    private final ArrayList<Callback> mCallbacks = new ArrayList<>();
     protected TState mState = newTileState();
     private TState mTmpState = newTileState();
     private boolean mAnnounceNextStateChange;
@@ -119,8 +120,8 @@
 
     // safe to call from any thread
 
-    public void setCallback(Callback callback) {
-        mHandler.obtainMessage(H.SET_CALLBACK, callback).sendToTarget();
+    public void addCallback(Callback callback) {
+        mHandler.obtainMessage(H.ADD_CALLBACK, callback).sendToTarget();
     }
 
     public void click() {
@@ -177,8 +178,8 @@
 
     // call only on tile worker looper
 
-    private void handleSetCallback(Callback callback) {
-        mCallback = callback;
+    private void handleAddCallback(Callback callback) {
+        mCallbacks.add(callback);
         handleRefreshState(null);
     }
 
@@ -206,12 +207,14 @@
 
     private void handleStateChanged() {
         boolean delayAnnouncement = shouldAnnouncementBeDelayed();
-        if (mCallback != null) {
-            mCallback.onStateChanged(mState);
+        if (mCallbacks.size() != 0) {
+            for (int i = 0; i < mCallbacks.size(); i++) {
+                mCallbacks.get(i).onStateChanged(mState);
+            }
             if (mAnnounceNextStateChange && !delayAnnouncement) {
                 String announcement = composeChangeAnnouncement();
                 if (announcement != null) {
-                    mCallback.onAnnouncementRequested(announcement);
+                    mCallbacks.get(0).onAnnouncementRequested(announcement);
                 }
             }
         }
@@ -227,20 +230,20 @@
     }
 
     private void handleShowDetail(boolean show) {
-        if (mCallback != null) {
-            mCallback.onShowDetail(show);
+        for (int i = 0; i < mCallbacks.size(); i++) {
+            mCallbacks.get(i).onShowDetail(show);
         }
     }
 
     private void handleToggleStateChanged(boolean state) {
-        if (mCallback != null) {
-            mCallback.onToggleStateChanged(state);
+        for (int i = 0; i < mCallbacks.size(); i++) {
+            mCallbacks.get(i).onToggleStateChanged(state);
         }
     }
 
     private void handleScanStateChanged(boolean state) {
-        if (mCallback != null) {
-            mCallback.onScanStateChanged(state);
+        for (int i = 0; i < mCallbacks.size(); i++) {
+            mCallbacks.get(i).onScanStateChanged(state);
         }
     }
 
@@ -250,11 +253,11 @@
 
     protected void handleDestroy() {
         setListening(false);
-        mCallback = null;
+        mCallbacks.clear();
     }
 
     protected final class H extends Handler {
-        private static final int SET_CALLBACK = 1;
+        private static final int ADD_CALLBACK = 1;
         private static final int CLICK = 2;
         private static final int SECONDARY_CLICK = 3;
         private static final int LONG_CLICK = 4;
@@ -274,9 +277,9 @@
         public void handleMessage(Message msg) {
             String name = null;
             try {
-                if (msg.what == SET_CALLBACK) {
-                    name = "handleSetCallback";
-                    handleSetCallback((QSTile.Callback)msg.obj);
+                if (msg.what == ADD_CALLBACK) {
+                    name = "handleAddCallback";
+                    handleAddCallback((QSTile.Callback)msg.obj);
                 } else if (msg.what == CLICK) {
                     name = "handleClick";
                     mAnnounceNextStateChange = true;
@@ -333,6 +336,7 @@
         void startRunnableDismissingKeyguard(Runnable runnable);
         void warn(String message, Throwable t);
         void collapsePanels();
+        void animateExpandQS();
         void openPanels();
         Looper getLooper();
         Context getContext();
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
index 5fa38c6..5782800 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
@@ -60,14 +60,8 @@
     }
 
     @Override
-    protected void handleShowDetail(QSPanel.Record r, boolean show) {
-        if (show) {
-            mHeader.performClick();
-            mFullPanel.showDetail(show, r);
-        } else {
-            // Not sure how we would end up here...
-            super.handleShowDetail(r, show);
-        }
+    protected void showDetail(boolean show, Record r) {
+        // Do nothing, will be handled by the QSPanel.
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/CustomQSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/customize/CustomQSPanel.java
index 7448493..eab4dca 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/CustomQSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/CustomQSPanel.java
@@ -69,6 +69,11 @@
     }
 
     @Override
+    protected void showDetail(boolean show, Record r) {
+        // No detail here.
+    }
+
+    @Override
     protected void onDetachedFromWindow() {
         // Don't allow the super to unregister the tunable.
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
index 336b208..29ad5d1c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
@@ -27,6 +27,7 @@
 import android.provider.Settings;
 import android.text.TextUtils;
 import android.util.Log;
+import android.view.View;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.qs.external.CustomTile;
@@ -99,6 +100,7 @@
     private final TileServices mServices;
 
     private final List<Callback> mCallbacks = new ArrayList<>();
+    private View mHeader;
 
     public QSTileHost(Context context, PhoneStatusBar statusBar,
                       BluetoothController bluetooth, LocationController location,
@@ -135,6 +137,10 @@
         TunerService.get(mContext).addTunable(this, TILES_SETTING);
     }
 
+    public void setHeaderView(View view) {
+        mHeader = view;
+    }
+
     public PhoneStatusBar getPhoneStatusBar() {
         return mStatusBar;
     }
@@ -173,6 +179,11 @@
         // already logged
     }
 
+    public void animateExpandQS() {
+        // TODO: Better path to animated panel expansion.
+        mHeader.performClick();
+    }
+
     @Override
     public void collapsePanels() {
         mStatusBar.postAnimateCollapsePanels();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
index 3692aee..5b44f0a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
@@ -197,23 +197,16 @@
         }
     }
 
-    public void setupHost(QSTileHost host) {
-        final QSTileHost myHost = new QSTileHost(host.getContext(), host.getPhoneStatusBar(),
-                host.getBluetoothController(), host.getLocationController(),
-                host.getRotationLockController(), host.getNetworkController(),
-                host.getZenModeController(), host.getHotspotController(),
-                host.getCastController(), host.getFlashlightController(),
-                host.getUserSwitcherController(), host.getUserInfoController(),
-                host.getKeyguardMonitor(), host.getSecurityController(),
-                host.getBatteryController(), host.getIconController());
+    public void setupHost(final QSTileHost host) {
+        host.setHeaderView(this);
         mHeaderQsPanel.setQSPanelAndHeader(mQsPanel, this);
-        mHeaderQsPanel.setHost(myHost);
+        mHeaderQsPanel.setHost(host);
         mHeaderQsPanel.setMaxTiles(5);
-        mHeaderQsPanel.setTiles(myHost.getTiles());
-        myHost.addCallback(new QSTile.Host.Callback() {
+        mHeaderQsPanel.setTiles(host.getTiles());
+        host.addCallback(new QSTile.Host.Callback() {
             @Override
             public void onTilesChanged() {
-                mHeaderQsPanel.setTiles(myHost.getTiles());
+                mHeaderQsPanel.setTiles(host.getTiles());
             }
         });
     }