1 files changed, 89 insertions, 0 deletions
diff --git a/InCallUI/src/com/android/incallui/AudioModeProvider.java b/InCallUI/src/com/android/incallui/AudioModeProvider.java
new file mode 100644
index 000000000..abbbfb6e6
--- /dev/null
+++ b/InCallUI/src/com/android/incallui/AudioModeProvider.java
@@ -0,0 +1,89 @@
+/*
+ * 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.incallui;
+
+import com.google.android.collect.Lists;
+
+import com.android.services.telephony.common.AudioMode;
+
+import java.util.List;
+
+
+/**
+ * Proxy class for getting and setting the audio mode.
+ */
+/* package */ class AudioModeProvider {
+
+    private static AudioModeProvider sAudioModeProvider;
+    private int mAudioMode = AudioMode.EARPIECE;
+    private int mSupportedModes = AudioMode.ALL_MODES;
+    private final List<AudioModeListener> mListeners = Lists.newArrayList();
+
+    public static synchronized AudioModeProvider getInstance() {
+        if (sAudioModeProvider == null) {
+            sAudioModeProvider = new AudioModeProvider();
+        }
+        return sAudioModeProvider;
+    }
+
+    /**
+     * Access only through getInstance()
+     */
+    private AudioModeProvider() {
+    }
+
+    public void onAudioModeChange(int newMode) {
+        mAudioMode = newMode;
+
+        for (AudioModeListener l : mListeners) {
+            l.onAudioMode(mAudioMode);
+        }
+    }
+
+    public void onSupportedAudioModeChange(int newModeMask) {
+        mSupportedModes = newModeMask;
+
+        for (AudioModeListener l : mListeners) {
+            l.onSupportedAudioMode(mSupportedModes);
+        }
+    }
+
+    public void addListener(AudioModeListener listener) {
+        if (!mListeners.contains(listener)) {
+            mListeners.add(listener);
+        }
+    }
+
+    public void removeListener(AudioModeListener listener) {
+        if (mListeners.contains(listener)) {
+            mListeners.remove(listener);
+        }
+    }
+
+    public int getSupportedModes() {
+        return mSupportedModes;
+    }
+
+    public int getAudioMode() {
+        return mAudioMode;
+    }
+
+    /* package */ interface AudioModeListener {
+        void onAudioMode(int newMode);
+        void onSupportedAudioMode(int modeMask);
+    }
+}