Merge changes from topic "displayinfo"

* changes:
  Move override logic from SysUI to Telephony
  Added telephony display info support

2 files changed, 49 insertions, 0 deletions

diff --git a/core/java/android/telephony/PhoneStateListener.java b/core/java/android/telephony/PhoneStateListener.java
index 4591fafc696e..1dca7fd0e444 100644
--- a/core/java/android/telephony/PhoneStateListener.java
+++ b/core/java/android/telephony/PhoneStateListener.java
@@ -301,6 +301,13 @@ public class PhoneStateListener {
     public static final int LISTEN_USER_MOBILE_DATA_STATE                  = 0x00080000;
 
     /**
+     *  Listen for display info changed event.
+     *
+     *  @see #onDisplayInfoChanged
+     */
+    public static final int LISTEN_DISPLAY_INFO_CHANGED = 0x00100000;
+
+    /**
      *  Listen for changes to the phone capability.
      *
      *  @see #onPhoneCapabilityChanged
@@ -837,6 +844,21 @@ public class PhoneStateListener {
     }
 
     /**
+     * Callback invoked when the display info has changed on the registered subscription.
+     * <p> The {@link DisplayInfo} contains status information shown to the user based on
+     * carrier policy.
+     *
+     * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE} or that the calling
+     * app has carrier privileges (see {@link TelephonyManager#hasCarrierPrivileges}).
+     *
+     * @param displayInfo The display information.
+     */
+    @RequiresPermission((android.Manifest.permission.READ_PHONE_STATE))
+    public void onDisplayInfoChanged(@NonNull DisplayInfo displayInfo) {
+        // default implementation empty
+    }
+
+    /**
      * Callback invoked when the current emergency number list has changed on the registered
      * subscription.
      * Note, the registration subId comes from {@link TelephonyManager} object which registers
@@ -1201,6 +1223,15 @@ public class PhoneStateListener {
                             () -> psl.onUserMobileDataStateChanged(enabled)));
         }
 
+        public void onDisplayInfoChanged(DisplayInfo displayInfo) {
+            PhoneStateListener psl = mPhoneStateListenerWeakRef.get();
+            if (psl == null) return;
+
+            Binder.withCleanCallingIdentity(
+                    () -> mExecutor.execute(
+                            () -> psl.onDisplayInfoChanged(displayInfo)));
+        }
+
         public void onOemHookRawEvent(byte[] rawData) {
             PhoneStateListener psl = mPhoneStateListenerWeakRef.get();
             if (psl == null) return;
diff --git a/core/java/android/telephony/TelephonyRegistryManager.java b/core/java/android/telephony/TelephonyRegistryManager.java
index ddc38bf6b84d..c4b4c43056b1 100644
--- a/core/java/android/telephony/TelephonyRegistryManager.java
+++ b/core/java/android/telephony/TelephonyRegistryManager.java
@@ -536,6 +536,24 @@ public class TelephonyRegistryManager {
     }
 
     /**
+     * Notify display info changed.
+     *
+     * @param slotIndex The SIM slot index for which display info has changed. Can be
+     * derived from {@code subscriptionId} except when {@code subscriptionId} is invalid, such as
+     * when the device is in emergency-only mode.
+     * @param subscriptionId Subscription id for which display network info has changed.
+     * @param displayInfo The display info.
+     */
+    public void notifyDisplayInfoChanged(int slotIndex, int subscriptionId,
+            @NonNull DisplayInfo displayInfo) {
+        try {
+            sRegistry.notifyDisplayInfoChanged(slotIndex, subscriptionId, displayInfo);
+        } catch (RemoteException ex) {
+            // system process is dead
+        }
+    }
+
+    /**
      * Notify IMS call disconnect causes which contains {@link android.telephony.ims.ImsReasonInfo}.
      *
      * @param subId for which ims call disconnect.