Add CallModel object to the API and onCallUpdate.

Change-Id: Ie892fbc1f5eebc33328a5cb506c8fe9b24d310be
diff --git a/common/src/com/android/services/telephony/common/Call.aidl b/common/src/com/android/services/telephony/common/Call.aidl
new file mode 100644
index 0000000..52a7ed2
--- /dev/null
+++ b/common/src/com/android/services/telephony/common/Call.aidl
@@ -0,0 +1,19 @@
+/*
+ * 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.services.telephony.common;
+
+parcelable Call;
diff --git a/common/src/com/android/services/telephony/common/Call.java b/common/src/com/android/services/telephony/common/Call.java
new file mode 100644
index 0000000..66851a7
--- /dev/null
+++ b/common/src/com/android/services/telephony/common/Call.java
@@ -0,0 +1,67 @@
+/*
+ * 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.services.telephony.common;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * Class object used across CallHandlerService APIs.
+ * Describes a single call and its state.
+ */
+final public class Call implements Parcelable {
+
+    public static final int INVALID_CALL_ID = -1;
+
+    private int mCallId = INVALID_CALL_ID;
+    // TODO(klp): Add call state type
+
+    public Call(int callId) {
+        mCallId = callId;
+    }
+
+    public int getCallId() {
+        return mCallId;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(mCallId);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    public static final Parcelable.Creator<Call> CREATOR
+            = new Parcelable.Creator<Call>() {
+
+        public Call createFromParcel(Parcel in) {
+            return new Call(in);
+        }
+
+        public Call[] newArray(int size) {
+            return new Call[size];
+        }
+    };
+
+    private Call(Parcel in) {
+        mCallId = in.readInt();
+    }
+
+}
diff --git a/common/src/com/android/services/telephony/common/ICallHandlerService.aidl b/common/src/com/android/services/telephony/common/ICallHandlerService.aidl
index 24378ef..cd8e252 100644
--- a/common/src/com/android/services/telephony/common/ICallHandlerService.aidl
+++ b/common/src/com/android/services/telephony/common/ICallHandlerService.aidl
@@ -16,6 +16,7 @@
 
 package com.android.services.telephony.common;
 
+import com.android.services.telephony.common.Call;
 import com.android.services.telephony.common.ICallCommandService;
 
 /**
@@ -38,11 +39,17 @@
     /**
      * Called when a new incoming call comes in.
      */
-    void onIncomingCall(int callId);
+    void onIncomingCall(in Call call);
+
+    /**
+     * Called when the state of a call changes.
+     * TODO(klp): Should this replace onIncomingCall and onDisconnect?
+     * TODO(klp): Should this take in a Collection of calls to update in bulk.
+     */
+    void onCallUpdate(in Call call);
 
     /**
      * Called when a call disconnects.
      */
-    void onDisconnect(int callId);
-
+    void onDisconnect(in Call call);
 }
diff --git a/src/com/android/phone/CallHandlerServiceProxy.java b/src/com/android/phone/CallHandlerServiceProxy.java
index f5247f5..7415f92 100644
--- a/src/com/android/phone/CallHandlerServiceProxy.java
+++ b/src/com/android/phone/CallHandlerServiceProxy.java
@@ -28,6 +28,7 @@
 import android.os.SystemProperties;
 import android.util.Log;
 
+import com.android.services.telephony.common.Call;
 import com.android.services.telephony.common.ICallHandlerService;
 import com.android.services.telephony.common.ICallCommandService;
 
@@ -61,7 +62,7 @@
     public void onNewCall(int callId) {
         if (mCallHandlerService != null) {
             try {
-                mCallHandlerService.onIncomingCall(callId);
+                mCallHandlerService.onIncomingCall(new Call(callId));
             } catch (RemoteException e) {
                 Log.e(TAG, "Remote exception handling onIncomingCall", e);
             }
@@ -74,7 +75,7 @@
     public void onDisconnect(int callId) {
         if (mCallHandlerService != null) {
             try {
-                mCallHandlerService.onDisconnect(callId);
+                mCallHandlerService.onDisconnect(new Call(callId));
             } catch (RemoteException e) {
                 Log.e(TAG, "Remote exception handling onDisconnect ", e);
             }