Replace Voice class with VoiceController

Bug: 29538369

The static Voice class is now implemented as a delegate controller behind
the Controller singleton. This is a more natural location for the code and
prepares the code base for alternate implementations of the VoiceController
interface for testing purposes.

Change-Id: I0c9b669e4f47da7fb30b4b55177c039a7e8970e4

1 files changed, 42 insertions, 0 deletions

diff --git a/src/com/android/deskclock/controller/VoiceController.java b/src/com/android/deskclock/controller/VoiceController.java
new file mode 100644
index 000000000..c4327e309
--- /dev/null
+++ b/src/com/android/deskclock/controller/VoiceController.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2016 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.deskclock.controller;
+
+import android.app.Activity;
+
+/**
+ * Implementations of this interface are consulted to terminate a voice interaction session.
+ */
+public interface VoiceController {
+    /**
+     * If the {@code activity} is currently hosting a voice interaction session, indicate the voice
+     * command was processed successfully.
+     *
+     * @param activity an Activity that may be hosting a voice interaction session
+     * @param message to be spoken to the user to indicate success
+     */
+    void notifyVoiceSuccess(Activity activity, String message);
+
+    /**
+     * If the {@code activity} is currently hosting a voice interaction session, indicate the voice
+     * command failed and must be aborted.
+     *
+     * @param activity an Activity that may be hosting a voice interaction session
+     * @param message to be spoken to the user to indicate failure
+     */
+    void notifyVoiceFailure(Activity activity, String message);
+}
\ No newline at end of file