Volume policy updates.

 - Make volume policy settable by the volume UI instead
   of hardcoded in AudioService.
 - Add status bar icon for silent mode.
 - Limit unmute-on-volume-adjust behavior to tvs.
 - Ensure all changes to device volume are sent through
   setIndex so no change events are missed.

Bug: 19260237
Change-Id: Iea070a7a6f90ff620e39629f2da3f33f87223d72

3 files changed, 35 insertions, 1 deletions

diff --git a/packages/SystemUI/res/drawable/stat_sys_ringer_silent.xml b/packages/SystemUI/res/drawable/stat_sys_ringer_silent.xml
new file mode 100644
index 0000000..36e6cef
--- /dev/null
+++ b/packages/SystemUI/res/drawable/stat_sys_ringer_silent.xml
@@ -0,0 +1,27 @@
+<!--
+Copyright (C) 2015 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.
+-->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+        android:insetLeft="3dp"
+        android:insetRight="3dp">
+    <vector android:width="18dp"
+            android:height="18dp"
+            android:viewportWidth="48.0"
+            android:viewportHeight="48.0">
+        <path
+            android:fillColor="#FFFFFFFF"
+            android:pathData="M23.000000,44.000000c2.200000,0.000000 4.000000,-1.800000 4.000000,-4.000000l-8.000000,0.000000C19.000000,42.200001 20.799999,44.000000 23.000000,44.000000zM36.000000,21.000000c0.000000,-6.100000 -4.300000,-11.300000 -10.000000,-12.600000L26.000000,7.000000c0.000000,-1.700000 -1.300000,-3.000000 -3.000000,-3.000000c-1.700000,0.000000 -3.000000,1.300000 -3.000000,3.000000l0.000000,1.400000c-1.000000,0.200000 -2.000000,0.600000 -2.900000,1.100000L36.000000,28.400000L36.000000,21.000000zM35.500000,38.000000l4.000000,4.000000l2.500000,-2.500000L8.500000,6.000000L6.000000,8.500000l5.800000,5.800000C10.700000,16.299999 10.000000,18.600000 10.000000,21.000000l0.000000,11.000000l-4.000000,4.000000l0.000000,2.000000L35.500000,38.000000z"/>
+    </vector>
+</inset>
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarPolicy.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarPolicy.java
index 5da8457..2236aae 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarPolicy.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarPolicy.java
@@ -213,7 +213,12 @@ public class PhoneStatusBarPolicy {
             zenDescription = mContext.getString(R.string.zen_important_interruptions);
         }
 
-        if (mZen != Global.ZEN_MODE_NO_INTERRUPTIONS &&
+        if (DndTile.isVisible(mContext)
+                && audioManager.getRingerModeInternal() == AudioManager.RINGER_MODE_SILENT) {
+            volumeVisible = true;
+            volumeIconId = R.drawable.stat_sys_ringer_silent;
+            volumeDescription = mContext.getString(R.string.accessibility_ringer_silent);
+        } else if (mZen != Global.ZEN_MODE_NO_INTERRUPTIONS &&
                 audioManager.getRingerModeInternal() == AudioManager.RINGER_MODE_VIBRATE) {
             volumeVisible = true;
             volumeIconId = R.drawable.stat_sys_ringer_vibrate;
diff --git a/packages/SystemUI/src/com/android/systemui/volume/VolumeUI.java b/packages/SystemUI/src/com/android/systemui/volume/VolumeUI.java
index 7603c7d..687452d 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/VolumeUI.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/VolumeUI.java
@@ -31,6 +31,7 @@ import android.content.res.Configuration;
 import android.media.AudioManager;
 import android.media.IRemoteVolumeController;
 import android.media.IVolumeController;
+import android.media.VolumePolicy;
 import android.media.session.ISessionController;
 import android.media.session.MediaController;
 import android.media.session.MediaSessionManager;
@@ -114,6 +115,7 @@ public class VolumeUI extends SystemUI {
         if (register) {
             if (LOGD) Log.d(TAG, "Registering default volume controller");
             mAudioManager.setVolumeController(mVolumeController);
+            mAudioManager.setVolumePolicy(VolumePolicy.DEFAULT);
             mMediaSessionManager.setRemoteVolumeController(mRemoteVolumeController);
             DndTile.setVisible(mContext, false);
         } else {