Adding a command interface to control phone calls.

Adds a command interface implementation to use with incall ui.

Change-Id: I337754ccc991b423481cda3bde17232e93a8014f
diff --git a/src/com/android/phone/CallCommandService.java b/src/com/android/phone/CallCommandService.java
new file mode 100644
index 0000000..c0f8c67
--- /dev/null
+++ b/src/com/android/phone/CallCommandService.java
@@ -0,0 +1,58 @@
+/**
+ * Copyright (C) 2013 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.phone;
+
+import com.android.internal.telephony.CallManager;
+import com.android.services.telephony.common.ICallCommandService;
+
+/**
+ * Service interface used by in-call ui to control phone calls using commands
+ * exposed as methods.  Instances of this class are handed to in-call UI via
+ * CallMonitorService.
+ */
+class CallCommandService extends ICallCommandService.Stub {
+
+    private CallManager mCallManager;
+
+    public CallCommandService(CallManager callManager) {
+        mCallManager = callManager;
+    }
+
+    /**
+     * TODO(klp): Add a confirmation callback parameter.
+     */
+    @Override
+    public void answerCall(int callId) {
+        // TODO(klp): Change to using the callId and logic from InCallScreen::internalAnswerCall
+        PhoneUtils.answerCall(mCallManager.getFirstActiveRingingCall());
+    }
+
+    /**
+     * TODO(klp): Add a confirmation callback parameter.
+     */
+    @Override
+    public void rejectCall(int callId) {
+        // TODO(klp): Change to using the callId
+        PhoneUtils.hangupRingingCall(mCallManager.getFirstActiveRingingCall());
+    }
+
+    @Override
+    public void disconnectCall(int callId) {
+        // TODO(klp): Change to using the callId
+        PhoneUtils.hangup(mCallManager);
+    }
+}