From 4b2a96ee15430f5fe073155da0dd7532b01f33d3 Mon Sep 17 00:00:00 2001
From: shaoweishen <shaoweishen@google.com>
Date: Fri, 24 Mar 2023 13:02:20 +0000
Subject: [PATCH] [Output Switcher] Add unmute function on volume icon

when tap on muted icon, adjust volume to 2, just the same with volume
rocker.

Bug: 265755689
Test: atest MediaOutputAdapterTest MediaOutputControllerTest MediaOutputBaseDialogTest MediaOutputDialogTest
Change-Id: I76696368cb1788e61e2d2ac90bb69900ab575c65
---
 .../media/dialog/MediaOutputBaseAdapter.java  | 22 ++++++++++++-------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
index f92a5abdbf23b..731bb2f4db7c4 100644
--- a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
@@ -66,6 +66,8 @@ public abstract class MediaOutputBaseAdapter extends
 
     protected final MediaOutputController mController;
 
+    private static final int UNMUTE_DEFAULT_VOLUME = 2;
+
     Context mContext;
     View mHolderView;
     boolean mIsDragging;
@@ -193,10 +195,6 @@ public abstract class MediaOutputBaseAdapter extends
             mTwoLineTitleText.setTextColor(mController.getColorItemContent());
             if (mController.isAdvancedLayoutSupported()) {
                 mVolumeValueText.setTextColor(mController.getColorItemContent());
-                mTitleIcon.setOnTouchListener(((v, event) -> {
-                    mSeekBar.dispatchTouchEvent(event);
-                    return false;
-                }));
             }
             mSeekBar.setProgressTintList(
                     ColorStateList.valueOf(mController.getColorSeekbarProgress()));
@@ -546,13 +544,21 @@ public abstract class MediaOutputBaseAdapter extends
         private void enableSeekBar(MediaDevice device) {
             mSeekBar.setEnabled(true);
             mSeekBar.setOnTouchListener((v, event) -> false);
-            if (mController.isAdvancedLayoutSupported()) {
-                updateIconAreaClickListener((v) -> {
+            updateIconAreaClickListener((v) -> {
+                if (device.getCurrentVolume() == 0) {
+                    mController.adjustVolume(device, UNMUTE_DEFAULT_VOLUME);
+                    updateUnmutedVolumeIcon();
+                    mTitleIcon.setOnTouchListener(((iconV, event) -> false));
+                } else {
                     mSeekBar.resetVolume();
                     mController.adjustVolume(device, 0);
                     updateMutedVolumeIcon();
-                });
-            }
+                    mTitleIcon.setOnTouchListener(((iconV, event) -> {
+                        mSeekBar.dispatchTouchEvent(event);
+                        return false;
+                    }));
+                }
+            });
         }
 
         protected void setUpDeviceIcon(MediaDevice device) {