From 29ce275eb51b90f8e128369ed07472693e1e722e Mon Sep 17 00:00:00 2001
From: Wang Han <416810799@qq.com>
Date: Sun, 9 Sep 2018 11:27:15 +0800
Subject: [PATCH] Settings: Hide unsupported USB modes automatically

 * The roles are advertised by USB HAL so we can check for their status

Change-Id: I5933d1a03f573af08b00039850173329b293448a
---
 .../connecteddevice/usb/UsbBackend.java       | 24 +++++++++++++++++++
 .../usb/UsbDetailsDataRoleController.java     |  3 ++-
 .../usb/UsbDetailsPowerRoleController.java    |  3 ++-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/com/android/settings/connecteddevice/usb/UsbBackend.java b/src/com/android/settings/connecteddevice/usb/UsbBackend.java
index d194499c88c..6e643f42fea 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbBackend.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbBackend.java
@@ -165,6 +165,30 @@ public class UsbBackend {
                 && mPortStatus.isRoleCombinationSupported(POWER_ROLE_SOURCE, DATA_ROLE_HOST);
     }
 
+    public boolean isSingleDataRoleSupported() {
+        return mPort != null && mPortStatus != null
+                && ((!mPortStatus
+                .isRoleCombinationSupported(POWER_ROLE_SINK, DATA_ROLE_HOST)
+                && !mPortStatus
+                .isRoleCombinationSupported(POWER_ROLE_SOURCE, DATA_ROLE_HOST))
+                || (!mPortStatus
+                .isRoleCombinationSupported(POWER_ROLE_SINK, DATA_ROLE_DEVICE)
+                && !mPortStatus
+                .isRoleCombinationSupported(POWER_ROLE_SOURCE, DATA_ROLE_DEVICE)));
+    }
+
+    public boolean isSinglePowerRoleSupported() {
+        return mPort != null && mPortStatus != null
+                && ((!mPortStatus
+                .isRoleCombinationSupported(POWER_ROLE_SINK, DATA_ROLE_DEVICE)
+                && !mPortStatus
+                .isRoleCombinationSupported(POWER_ROLE_SINK, DATA_ROLE_HOST))
+                || (!mPortStatus
+                .isRoleCombinationSupported(POWER_ROLE_SOURCE, DATA_ROLE_DEVICE)
+                && !mPortStatus
+                .isRoleCombinationSupported(POWER_ROLE_SOURCE, DATA_ROLE_HOST)));
+    }
+
     public static String usbFunctionsToString(long functions) {
         // TODO replace with UsbManager.usbFunctionsToString once supported by Roboelectric
         return Long.toBinaryString(functions);
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java
index 8782c796140..8c291abd205 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java
@@ -115,7 +115,8 @@ public class UsbDetailsDataRoleController extends UsbDetailsController
 
     @Override
     public boolean isAvailable() {
-        return !Utils.isMonkeyRunning();
+        return !Utils.isMonkeyRunning()
+                && !mUsbBackend.isSingleDataRoleSupported();
     }
 
     @Override
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java
index f00435a0cab..9a14f3cde86 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java
@@ -126,7 +126,8 @@ public class UsbDetailsPowerRoleController extends UsbDetailsController
 
     @Override
     public boolean isAvailable() {
-        return !Utils.isMonkeyRunning();
+        return !Utils.isMonkeyRunning()
+                && !mUsbBackend.isSinglePowerRoleSupported();
     }
 
     @Override