Move VoLTE changes to PhoneCommon

While porting VoLTE support from DialerNext to AOSP Dialer, some of
the relevant changes are moved to PhoneCommon.

Change-Id: Id18fe4743af5df133069e889c817937d7847c3b6
Issue-Id: DIALER-720

1 files changed, 43 insertions, 0 deletions

diff --git a/src/com/android/phone/common/util/VolteUtils.java b/src/com/android/phone/common/util/VolteUtils.java
new file mode 100644
index 0000000..cde35a2
--- /dev/null
+++ b/src/com/android/phone/common/util/VolteUtils.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2015 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file
+ * @brief VoLTE related utilities for Dialer
+ */
+
+package com.android.phone.common.util;
+
+import android.content.Context;
+import com.android.ims.ImsManager;
+
+/**
+ * Collection of utilities that glue the Dialer and Telephony
+ * layers together.
+ */
+public class VolteUtils {
+    private static final String TAG = VolteUtils.class.getSimpleName();
+
+    public static boolean isVolteAvailable(Context context, int subId) {
+        return ImsManager.isVolteEnabledByPlatform(context) &&
+                ImsManager.isVolteProvisionedOnDevice(context, subId);
+    }
+
+    public static boolean isVolteInUse(Context context, int subId) {
+        return isVolteAvailable(context, subId) &&
+                ImsManager.isEnhanced4gLteModeSettingEnabledByUser(context);
+    }
+}