AOD: Enable double tap in AOD

Bug: 30876804
Test: Enable AOD; turn off phone, double tap; receive notification, double tap outside notification; on lockscreen, tap shade, should still bounce
Change-Id: Ifb32461432f64c333b3a86a29b5ac51dfc27a43d

packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java

@@ -766,16 +766,17 @@ public class NotificationPanelView extends PanelView implements
             mIsExpansionFromHeadsUp = true;
             MetricsLogger.count(mContext, COUNTER_PANEL_OPEN_PEEK, 1);
         }
+        boolean handled = false;
         if ((!mIsExpanding || mHintAnimationRunning)
                 && !mQsExpanded
                 && mStatusBar.getBarState() != StatusBarState.SHADE
                 && !mDozing) {
-            mAffordanceHelper.onTouchEvent(event);
+            handled |= mAffordanceHelper.onTouchEvent(event);
         }
         if (mOnlyAffordanceInThisMotion) {
             return true;
         }
-        mHeadsUpTouchHelper.onTouchEvent(event);
+        handled |= mHeadsUpTouchHelper.onTouchEvent(event);
 
         if (mQsOverscrollExpansionEnabled && !mHeadsUpTouchHelper.isTrackingHeadsUp()
                 && handleQsTouch(event)) {
@@ -784,9 +785,10 @@ public class NotificationPanelView extends PanelView implements
         if (event.getActionMasked() == MotionEvent.ACTION_DOWN && isFullyCollapsed()) {
             MetricsLogger.count(mContext, COUNTER_PANEL_OPEN, 1);
             updateVerticalPanelPosition(event.getX());
+            handled = true;
         }
-        super.onTouchEvent(event);
-        return true;
+        handled |= super.onTouchEvent(event);
+        return mDozing ? handled : true;
     }
 
     private boolean handleQsTouch(MotionEvent event) {

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java

@@ -4872,7 +4872,7 @@ public class StatusBar extends SystemUI implements DemoMode,
     }
 
     public void wakeUpIfDozing(long time, View where) {
-        if (mDozing && mDozeScrimController.isPulsing()) {
+        if (mDozing) {
             PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
             pm.wakeUp(time, "com.android.systemui:NODOZE");
             mWakeUpComingFromTouch = true;

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java

@@ -34,6 +34,7 @@ import android.media.session.MediaSessionLegacyHelper;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.IBinder;
+import android.os.SystemClock;
 import android.util.AttributeSet;
 import android.view.ActionMode;
 import android.view.InputQueue;
@@ -65,6 +66,7 @@ public class StatusBarWindowView extends FrameLayout {
     public static final boolean DEBUG = StatusBar.DEBUG;
 
     private DragDownHelper mDragDownHelper;
+    private DoubleTapHelper mDoubleTapHelper;
     private NotificationStackScrollLayout mStackScrollLayout;
     private NotificationPanelView mNotificationPanel;
     private View mBrightnessMirror;
@@ -89,6 +91,10 @@ public class StatusBarWindowView extends FrameLayout {
         mTransparentSrcPaint.setColor(0);
         mTransparentSrcPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC));
         mFalsingManager = FalsingManager.getInstance(context);
+        mDoubleTapHelper = new DoubleTapHelper(this, active -> {}, () -> {
+            mService.wakeUpIfDozing(SystemClock.uptimeMillis(), this);
+            return true;
+        }, null, null);
     }
 
     @Override
@@ -256,7 +262,7 @@ public class StatusBarWindowView extends FrameLayout {
     @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         if (mService.isDozing() && !mService.isPulsing()) {
-            // Discard all touch events in always-on.
+            // Capture all touch events in always-on.
             return true;
         }
         boolean intercept = false;
@@ -282,7 +288,11 @@ public class StatusBarWindowView extends FrameLayout {
 
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
-        boolean handled = mService.isDozing() && !mService.isPulsing();
+        boolean handled = false;
+        if (mService.isDozing()) {
+            mDoubleTapHelper.onTouchEvent(ev);
+            handled = true;
+        }
         if (mService.getBarState() == StatusBarState.KEYGUARD
                 && (!handled || mDragDownHelper.isDraggingDown())) {
             // we still want to finish our drag down gesture when locking the screen