1 files changed, 35 insertions, 0 deletions
diff --git a/src/com/android/contacts/common/CallUtil.java b/src/com/android/contacts/common/CallUtil.java
index 7585ad4a..f11ea047 100644
--- a/src/com/android/contacts/common/CallUtil.java
+++ b/src/com/android/contacts/common/CallUtil.java
@@ -22,11 +22,13 @@ import com.android.phone.common.PhoneConstants;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
+import android.os.SystemProperties;
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import android.telecom.VideoProfile;
 import android.text.TextUtils;
+import android.telephony.TelephonyManager;
 
 import java.util.List;
 
@@ -186,4 +188,37 @@ public class CallUtil {
         }
         return false;
     }
+
+    /**
+     * if true, conference dialer  is enabled.
+     */
+    public static boolean isConferDialerEnabled(Context context) {
+        if (SystemProperties.getBoolean("persist.radio.conferdialer", false)) {
+            TelephonyManager telephonyMgr = (TelephonyManager)
+                    context.getSystemService(Context.TELEPHONY_SERVICE);
+            return telephonyMgr.isImsRegistered();
+        }
+        return false;
+    }
+
+    /**
+     * get intent to start conference dialer
+     * with this intent, we can originate an conference call
+     */
+    public static Intent getConferenceDialerIntent(String number) {
+        Intent intent = new Intent("android.intent.action.ADDPARTICIPANT");
+        intent.putExtra("confernece_number_key", number);
+        return intent;
+    }
+
+    /**
+     * used to get intent to start conference dialer
+     * with this intent, we can add participants to an existing conference call
+     */
+    public static Intent getAddParticipantsIntent(String number) {
+        Intent intent = new Intent("android.intent.action.ADDPARTICIPANT");
+        intent.putExtra("add_participant", true);
+        intent.putExtra("current_participant_list", number);
+        return intent;
+    }
 }