Merge "MS-VT: Add support that controls holding a video call"
diff --git a/src/com/android/services/telephony/TelephonyConnection.java b/src/com/android/services/telephony/TelephonyConnection.java
index 5a9fbcf..fb865b4 100644
--- a/src/com/android/services/telephony/TelephonyConnection.java
+++ b/src/com/android/services/telephony/TelephonyConnection.java
@@ -203,6 +203,7 @@
                     // whether the call should have the HD audio property set.
                     refreshConferenceSupported();
                     refreshDisableAddCall();
+                    refreshHoldSupported();
                     updateConnectionProperties();
                     break;
 
@@ -1345,6 +1346,18 @@
         }
     }
 
+    private void refreshHoldSupported() {
+       if (mOriginalConnection == null) {
+           Log.w(this, "refreshHoldSupported org conn is null");
+           return;
+       }
+
+       if (!mOriginalConnection.shouldAllowHoldingVideoCall() && canHoldImsCalls() !=
+               ((getConnectionCapabilities() & (CAPABILITY_HOLD | CAPABILITY_SUPPORT_HOLD)) != 0)) {
+           updateConnectionCapabilities();
+       }
+    }
+
     private void refreshDisableAddCall() {
         if (shouldSetDisableAddCallExtra()) {
             Bundle newExtras = getExtras();
@@ -1501,8 +1514,10 @@
     private boolean canHoldImsCalls() {
         PersistableBundle b = getCarrierConfig();
         // Return true if the CarrierConfig is unavailable
-        return !doesDeviceRespectHoldCarrierConfig() || b == null ||
-                b.getBoolean(CarrierConfigManager.KEY_ALLOW_HOLD_IN_IMS_CALL_BOOL);
+        return (!doesDeviceRespectHoldCarrierConfig() || b == null ||
+                b.getBoolean(CarrierConfigManager.KEY_ALLOW_HOLD_IN_IMS_CALL_BOOL)) &&
+                ((mOriginalConnection != null && mOriginalConnection.shouldAllowHoldingVideoCall())
+                || !VideoProfile.isVideo(getVideoState()));
     }
 
     @VisibleForTesting
diff --git a/src/com/android/services/telephony/TelephonyConnectionService.java b/src/com/android/services/telephony/TelephonyConnectionService.java
index 10d2c2f..40b941e 100644
--- a/src/com/android/services/telephony/TelephonyConnectionService.java
+++ b/src/com/android/services/telephony/TelephonyConnectionService.java
@@ -1457,16 +1457,32 @@
                         phone.getEmergencyNumberTracker().getEmergencyNumber(number);
                 if (emergencyNumber != null) {
                     phone.notifyOutgoingEmergencyCall(emergencyNumber);
-                    // If we do not support holding ongoing calls for an outgoing emergency call,
-                    // disconnect the ongoing calls.
-                    if (!shouldHoldForEmergencyCall(phone) && !getAllConnections().isEmpty()) {
-                        for (Connection c : getAllConnections()) {
-                            if (!c.equals(connection)
-                                    && c.getState() != Connection.STATE_DISCONNECTED
-                                    && c instanceof TelephonyConnection) {
-                                ((TelephonyConnection) c).hangup(
-                                        android.telephony.DisconnectCause
-                                                .OUTGOING_EMERGENCY_CALL_PLACED);
+                    if (!getAllConnections().isEmpty()) {
+                        if (!shouldHoldForEmergencyCall(phone)) {
+                            // If we do not support holding ongoing calls for an outgoing
+                            // emergency call, disconnect the ongoing calls.
+                            for (Connection c : getAllConnections()) {
+                                if (!c.equals(connection)
+                                        && c.getState() != Connection.STATE_DISCONNECTED
+                                        && c instanceof TelephonyConnection) {
+                                    ((TelephonyConnection) c).hangup(
+                                            android.telephony.DisconnectCause
+                                                    .OUTGOING_EMERGENCY_CALL_PLACED);
+                                }
+                            }
+                        } else if (!isVideoCallHoldAllowed(phone)) {
+                            // If we do not support holding ongoing video call for an outgoing
+                            // emergency call, disconnect the ongoing video call.
+                            for (Connection c : getAllConnections()) {
+                                if (!c.equals(connection)
+                                        && c.getState() == Connection.STATE_ACTIVE
+                                        && VideoProfile.isVideo(c.getVideoState())
+                                        && c instanceof TelephonyConnection) {
+                                    ((TelephonyConnection) c).hangup(
+                                            android.telephony.DisconnectCause
+                                                    .OUTGOING_EMERGENCY_CALL_PLACED);
+                                    break;
+                                }
                             }
                         }
                     }
@@ -1536,6 +1552,18 @@
         }
     }
 
+    private boolean isVideoCallHoldAllowed(Phone phone) {
+         CarrierConfigManager cfgManager = (CarrierConfigManager)
+                phone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE);
+        if (cfgManager == null) {
+            // For some reason CarrierConfigManager is unavailable, return default
+            Log.w(this, "isVideoCallHoldAllowed: couldn't get CarrierConfigManager");
+            return true;
+        }
+        return cfgManager.getConfigForSubId(phone.getSubId()).getBoolean(
+                CarrierConfigManager.KEY_ALLOW_HOLDING_VIDEO_CALL_BOOL, true);
+    }
+
     private boolean shouldHoldForEmergencyCall(Phone phone) {
         CarrierConfigManager cfgManager = (CarrierConfigManager)
                 phone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE);