Disable assist gesture when keyguard is active

Prevent search gesture from firing when keyguard is in restricted input mode,
e.g. in Emergency Dialer. Also disable the Home touch listener in this mode to
avoid bringing up the ring.  Affects both phone and tablets.

Bug: 6723749
Change-Id: I60f0aebfcce4cf7f66798ee1212ea326bdad3ef0

Author: John Spurlock

packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java

@@ -953,4 +953,9 @@ protected boolean showNotificationEvenIfUnprovisioned(StatusBarNotification sbn)
         }
         return false;
     }
+
+    public boolean inKeyguardRestrictedInputMode() {
+        KeyguardManager km = (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE);
+        return km.inKeyguardRestrictedInputMode();
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/DelegateViewHelper.java

@@ -48,7 +48,8 @@ public void setBar(BaseStatusBar phoneStatusBar) {
     }
 
     public boolean onInterceptTouchEvent(MotionEvent event) {
-        if (mSourceView == null || mDelegateView == null || mBar.shouldDisableNavbarGestures()) {
+        if (mSourceView == null || mDelegateView == null
+                || mBar.shouldDisableNavbarGestures() || mBar.inKeyguardRestrictedInputMode()) {
             return false;
         }
 

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

@@ -608,7 +608,7 @@ public void run() {
         public boolean onTouch(View v, MotionEvent event) {
             switch(event.getAction()) {
             case MotionEvent.ACTION_DOWN:
-                if (!shouldDisableNavbarGestures()) {
+                if (!shouldDisableNavbarGestures() && !inKeyguardRestrictedInputMode()) {
                     mHandler.removeCallbacks(mShowSearchPanel);
                     mHandler.postDelayed(mShowSearchPanel, mShowSearchHoldoff);
                 }

packages/SystemUI/src/com/android/systemui/statusbar/tablet/TabletStatusBar.java

@@ -201,7 +201,7 @@ public void run() {
         public boolean onTouch(View v, MotionEvent event) {
             switch(event.getAction()) {
                 case MotionEvent.ACTION_DOWN:
-                    if (!shouldDisableNavbarGestures()) {
+                    if (!shouldDisableNavbarGestures() && !inKeyguardRestrictedInputMode()) {
                         mHandler.removeCallbacks(mShowSearchPanel);
                         mHandler.postDelayed(mShowSearchPanel, mShowSearchHoldoff);
                     }