Add preliminary API for reporting display capabilities.

Change-Id: Ie18dce5b5d130f9a7cdfca08cddbf9b099312277
diff --git a/services/java/com/android/server/display/DisplayDeviceInfo.java b/services/java/com/android/server/display/DisplayDeviceInfo.java
index 7c57694..1420a506c 100644
--- a/services/java/com/android/server/display/DisplayDeviceInfo.java
+++ b/services/java/com/android/server/display/DisplayDeviceInfo.java
@@ -31,16 +31,16 @@
     public static final int FLAG_DEFAULT_DISPLAY = 1 << 0;
 
     /**
-     * Flag: Indicates that this display device can show secure surfaces.
-     */
-    public static final int FLAG_SECURE = 1 << 1;
-
-    /**
      * Flag: Indicates that this display device can rotate to show contents in a
      * different orientation.  Otherwise the rotation is assumed to be fixed in the
      * natural orientation and the display manager should transform the content to fit.
      */
-    public static final int FLAG_SUPPORTS_ROTATION = 1 << 2;
+    public static final int FLAG_SUPPORTS_ROTATION = 1 << 1;
+
+    /**
+     * Flag: Indicates that this display device can show secure surfaces.
+     */
+    public static final int FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT = 1 << 2;
 
     /**
      * Touch attachment: Display does not receive touch.
@@ -179,8 +179,11 @@
         if ((flags & FLAG_DEFAULT_DISPLAY) != 0) {
             msg.append(", FLAG_DEFAULT_DISPLAY");
         }
-        if ((flags & FLAG_SECURE) != 0) {
-            msg.append(", FLAG_SECURE");
+        if ((flags & FLAG_SUPPORTS_ROTATION) != 0) {
+            msg.append(", FLAG_DEFAULT_DISPLAY");
+        }
+        if ((flags & FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT) != 0) {
+            msg.append(", FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT");
         }
         return msg.toString();
     }
diff --git a/services/java/com/android/server/display/HeadlessDisplayAdapter.java b/services/java/com/android/server/display/HeadlessDisplayAdapter.java
index 7629db6..f3bec1d 100644
--- a/services/java/com/android/server/display/HeadlessDisplayAdapter.java
+++ b/services/java/com/android/server/display/HeadlessDisplayAdapter.java
@@ -60,7 +60,7 @@
                 mInfo.xDpi = 160;
                 mInfo.yDpi = 160;
                 mInfo.flags = DisplayDeviceInfo.FLAG_DEFAULT_DISPLAY
-                        | DisplayDeviceInfo.FLAG_SECURE;
+                        | DisplayDeviceInfo.FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT;
                 mInfo.touch = DisplayDeviceInfo.TOUCH_NONE;
             }
             return mInfo;
diff --git a/services/java/com/android/server/display/LocalDisplayAdapter.java b/services/java/com/android/server/display/LocalDisplayAdapter.java
index 80c860b..eab4c9a 100644
--- a/services/java/com/android/server/display/LocalDisplayAdapter.java
+++ b/services/java/com/android/server/display/LocalDisplayAdapter.java
@@ -124,7 +124,7 @@
                     mInfo.name = getContext().getResources().getString(
                             com.android.internal.R.string.display_manager_built_in_display_name);
                     mInfo.flags = DisplayDeviceInfo.FLAG_DEFAULT_DISPLAY
-                            | DisplayDeviceInfo.FLAG_SECURE
+                            | DisplayDeviceInfo.FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT
                             | DisplayDeviceInfo.FLAG_SUPPORTS_ROTATION;
                     mInfo.densityDpi = (int)(mPhys.density * 160 + 0.5f);
                     mInfo.xDpi = mPhys.xDpi;
@@ -133,7 +133,7 @@
                 } else {
                     mInfo.name = getContext().getResources().getString(
                             com.android.internal.R.string.display_manager_hdmi_display_name);
-                    mInfo.flags = DisplayDeviceInfo.FLAG_SECURE;
+                    mInfo.flags = DisplayDeviceInfo.FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT;
                     mInfo.touch = DisplayDeviceInfo.TOUCH_EXTERNAL;
                     mInfo.setAssumedDensityForExternalDisplay(mPhys.width, mPhys.height);
                 }
diff --git a/services/java/com/android/server/display/LogicalDisplay.java b/services/java/com/android/server/display/LogicalDisplay.java
index 2e75260..3607de15 100644
--- a/services/java/com/android/server/display/LogicalDisplay.java
+++ b/services/java/com/android/server/display/LogicalDisplay.java
@@ -17,6 +17,7 @@
 package com.android.server.display;
 
 import android.graphics.Rect;
+import android.view.Display;
 import android.view.DisplayInfo;
 import android.view.Surface;
 
@@ -177,6 +178,10 @@
         DisplayDeviceInfo deviceInfo = mPrimaryDisplayDevice.getDisplayDeviceInfoLocked();
         if (!Objects.equal(mPrimaryDisplayDeviceInfo, deviceInfo)) {
             mBaseDisplayInfo.layerStack = mLayerStack;
+            mBaseDisplayInfo.flags = 0;
+            if ((deviceInfo.flags & DisplayDeviceInfo.FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT) != 0) {
+                mBaseDisplayInfo.flags |= Display.FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT;
+            }
             mBaseDisplayInfo.name = deviceInfo.name;
             mBaseDisplayInfo.appWidth = deviceInfo.width;
             mBaseDisplayInfo.appHeight = deviceInfo.height;
diff --git a/services/java/com/android/server/display/OverlayDisplayAdapter.java b/services/java/com/android/server/display/OverlayDisplayAdapter.java
index 9b0e534..75ddd24 100644
--- a/services/java/com/android/server/display/OverlayDisplayAdapter.java
+++ b/services/java/com/android/server/display/OverlayDisplayAdapter.java
@@ -227,7 +227,7 @@
                 mInfo.densityDpi = mDensityDpi;
                 mInfo.xDpi = mDensityDpi;
                 mInfo.yDpi = mDensityDpi;
-                mInfo.flags = DisplayDeviceInfo.FLAG_SECURE;
+                mInfo.flags = DisplayDeviceInfo.FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT;
                 mInfo.touch = DisplayDeviceInfo.TOUCH_NONE;
             }
             return mInfo;
diff --git a/services/java/com/android/server/display/WifiDisplayAdapter.java b/services/java/com/android/server/display/WifiDisplayAdapter.java
index b75940e..b57d3dc 100644
--- a/services/java/com/android/server/display/WifiDisplayAdapter.java
+++ b/services/java/com/android/server/display/WifiDisplayAdapter.java
@@ -149,7 +149,7 @@
 
         int deviceFlags = 0;
         if ((flags & RemoteDisplay.DISPLAY_FLAG_SECURE) != 0) {
-            deviceFlags |= DisplayDeviceInfo.FLAG_SECURE;
+            deviceFlags |= DisplayDeviceInfo.FLAG_SUPPORTS_SECURE_VIDEO_OUTPUT;
         }
 
         float refreshRate = 60.0f; // TODO: get this for real
diff --git a/services/java/com/android/server/display/WifiDisplayController.java b/services/java/com/android/server/display/WifiDisplayController.java
index 6e0be55..1396cc44 100644
--- a/services/java/com/android/server/display/WifiDisplayController.java
+++ b/services/java/com/android/server/display/WifiDisplayController.java
@@ -61,7 +61,7 @@
  */
 final class WifiDisplayController implements DumpUtils.Dump {
     private static final String TAG = "WifiDisplayController";
-    private static final boolean DEBUG = true;
+    private static final boolean DEBUG = false;
 
     private static final int DEFAULT_CONTROL_PORT = 7236;
     private static final int MAX_THROUGHPUT = 50;