Use TelephonyCallServiceSelector as fallback
Also added a CallServiceSelectorWrapper.
Change-Id: I49ff7a372dbee270735f7cc13f3bf7a9766c04f0
diff --git a/src/com/android/telecomm/TelephonyUtil.java b/src/com/android/telecomm/TelephonyUtil.java
new file mode 100644
index 0000000..7a9ac22
--- /dev/null
+++ b/src/com/android/telecomm/TelephonyUtil.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2014, The Android Open Source 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.
+ */
+
+package com.android.telecomm;
+
+import android.content.ComponentName;
+import android.content.pm.PackageManager;
+import android.content.pm.ServiceInfo;
+import android.telecomm.CallServiceDescriptor;
+
+/**
+ * Utilities to deal with the system telephony services. The system telephony services are treated
+ * differently from 3rd party services in some situations (emergency calls, audio focus, etc...).
+ */
+public final class TelephonyUtil {
+ private static final String TAG = ThreadUtil.class.getSimpleName();
+
+ private static final String TELEPHONY_PACKAGE_NAME =
+ "com.android.phone";
+
+ private static final String GSM_CALL_SERVICE_CLASS_NAME =
+ "com.android.services.telephony.GsmCallService";
+
+ private static final String CDMA_CALL_SERVICE_CLASS_NAME =
+ "com.android.services.telephony.CdmaCallService";
+
+ private TelephonyUtil() {}
+
+ static boolean isTelephonySelector(CallServiceSelectorWrapper selector) {
+ return selector.getComponentName().getPackageName().equals(TELEPHONY_PACKAGE_NAME);
+ }
+
+ /**
+ * Returns whether or not the call is currently connected as a cellular call (through the
+ * device's cellular radio).
+ */
+ static boolean isCurrentlyPSTNCall(Call call) {
+ if (Log.DEBUG) {
+ verifyCallServiceExists(GSM_CALL_SERVICE_CLASS_NAME);
+ verifyCallServiceExists(CDMA_CALL_SERVICE_CLASS_NAME);
+ }
+
+ CallServiceWrapper callService = call.getCallService();
+ if (callService == null) {
+ return false;
+ }
+ CallServiceDescriptor descriptor = callService.getDescriptor();
+ String className = descriptor.getServiceComponent().getClassName();
+ return className.equals(GSM_CALL_SERVICE_CLASS_NAME) ||
+ className.equals(CDMA_CALL_SERVICE_CLASS_NAME);
+ }
+
+ private static void verifyCallServiceExists(String serviceName) {
+ PackageManager packageManager = TelecommApp.getInstance().getPackageManager();
+ try {
+ ServiceInfo info = packageManager.getServiceInfo(
+ new ComponentName(TELEPHONY_PACKAGE_NAME, serviceName), 0);
+ if (info == null) {
+ Log.wtf(TAG, "Error, unable to find call service: %s", serviceName);
+ }
+ } catch (PackageManager.NameNotFoundException e) {
+ Log.wtf(TAG, e, "Error, exception while trying to find call service: %s", serviceName);
+ }
+ }
+}