[Output Switcher] Refactor MediaOutputAdapter

re-arrange codebase, avoid duplicate code in Adapter layout update,
without affecting current usage.

Change-Id: If73f23166a206ad41b31b0b006ae20c62c78626a

Bug: 239383468
Test: atest MediaOutputAdapterTest MediaOutputControllerTest MediaOutputBaseDialogTest MediaOutputDialogTest
Change-Id: I80fd6fe388a2c2f47950af79d2d861dc5714a299
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index c9776dd..c213500 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -1178,7 +1178,6 @@
     <item name="shutdown_scrim_behind_alpha" format="float" type="dimen">0.95</item>
 
     <!-- Output switcher panel related dimensions -->
-    <dimen name="media_output_dialog_list_margin">12dp</dimen>
     <dimen name="media_output_dialog_list_max_height">355dp</dimen>
     <dimen name="media_output_dialog_header_album_icon_size">72dp</dimen>
     <dimen name="media_output_dialog_header_back_icon_size">32dp</dimen>
diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputAdapter.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputAdapter.java
index e360d10..ee59561 100644
--- a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputAdapter.java
@@ -16,6 +16,7 @@
 
 package com.android.systemui.media.dialog;
 
+import android.annotation.DrawableRes;
 import android.content.res.ColorStateList;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
@@ -42,9 +43,6 @@
     private static final String TAG = "MediaOutputAdapter";
     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
-    private ViewGroup mConnectedItem;
-    private boolean mIncludeDynamicGroup;
-
     public MediaOutputAdapter(MediaOutputController controller) {
         super(controller);
         setHasStableIds(true);
@@ -102,141 +100,90 @@
         void onBind(MediaDevice device, boolean topMargin, boolean bottomMargin, int position) {
             super.onBind(device, topMargin, bottomMargin, position);
             boolean isMutingExpectedDeviceExist = mController.hasMutingExpectedDevice();
-            final boolean currentlyConnected = !mIncludeDynamicGroup
-                    && isCurrentlyConnected(device);
+            final boolean currentlyConnected = isCurrentlyConnected(device);
             boolean isCurrentSeekbarInvisible = mSeekBar.getVisibility() == View.GONE;
-            if (currentlyConnected) {
-                mConnectedItem = mContainerLayout;
-            }
-            mCheckBox.setVisibility(View.GONE);
-            mStatusIcon.setVisibility(View.GONE);
-            mEndTouchArea.setVisibility(View.GONE);
-            mEndTouchArea.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
-            mContainerLayout.setOnClickListener(null);
-            mContainerLayout.setContentDescription(null);
-            mTitleText.setTextColor(mController.getColorItemContent());
-            mSubTitleText.setTextColor(mController.getColorItemContent());
-            mTwoLineTitleText.setTextColor(mController.getColorItemContent());
-            mSeekBar.getProgressDrawable().setColorFilter(
-                    new PorterDuffColorFilter(mController.getColorSeekbarProgress(),
-                            PorterDuff.Mode.SRC_IN));
             if (mCurrentActivePosition == position) {
                 mCurrentActivePosition = -1;
             }
 
-            if (mController.isTransferring()) {
+            if (mController.isAnyDeviceTransferring()) {
                 if (device.getState() == MediaDeviceState.STATE_CONNECTING
                         && !mController.hasAdjustVolumeUserRestriction()) {
                     setUpDeviceIcon(device);
-                    mProgressBar.getIndeterminateDrawable().setColorFilter(
-                            new PorterDuffColorFilter(
-                                    mController.getColorItemContent(),
-                                    PorterDuff.Mode.SRC_IN));
-                    setSingleLineLayout(getItemTitle(device), true /* bFocused */,
-                            false /* showSeekBar*/,
-                            true /* showProgressBar */, false /* showStatus */);
+                    updateProgressBarColor();
+                    setSingleLineLayout(getItemTitle(device), false /* showSeekBar*/,
+                            true /* showProgressBar */, false /* showCheckBox */,
+                            false /* showEndTouchArea */);
                 } else {
                     setUpDeviceIcon(device);
-                    setSingleLineLayout(getItemTitle(device), false /* bFocused */);
+                    setSingleLineLayout(getItemTitle(device));
                 }
             } else {
                 // Set different layout for each device
                 if (device.isMutingExpectedDevice()
                         && !mController.isCurrentConnectedDeviceRemote()) {
-                    mTitleIcon.setImageDrawable(
-                            mContext.getDrawable(R.drawable.media_output_icon_volume));
-                    mTitleIcon.setColorFilter(mController.getColorItemContent());
-                    mTitleText.setTextColor(mController.getColorItemContent());
-                    setSingleLineLayout(getItemTitle(device), true /* bFocused */,
-                            false /* showSeekBar */,
-                            false /* showProgressBar */, false /* showStatus */);
+                    updateTitleIcon(R.drawable.media_output_icon_volume,
+                            mController.getColorItemContent());
                     initMutingExpectedDevice();
                     mCurrentActivePosition = position;
-                    mContainerLayout.setOnClickListener(v -> onItemClick(v, device));
+                    updateContainerClickListener(v -> onItemClick(v, device));
+                    setSingleLineLayout(getItemTitle(device));
                 } else if (device.getState() == MediaDeviceState.STATE_CONNECTING_FAILED) {
                     setUpDeviceIcon(device);
-                    mStatusIcon.setImageDrawable(
-                            mContext.getDrawable(R.drawable.media_output_status_failed));
-                    mStatusIcon.setColorFilter(mController.getColorItemContent());
-                    setTwoLineLayout(device, false /* bFocused */,
-                            false /* showSeekBar */, false /* showProgressBar */,
-                            true /* showSubtitle */, true /* showStatus */);
+                    updateConnectionFailedStatusIcon();
                     mSubTitleText.setText(R.string.media_output_dialog_connect_failed);
-                    mContainerLayout.setOnClickListener(v -> onItemClick(v, device));
+                    updateContainerClickListener(v -> onItemClick(v, device));
+                    setTwoLineLayout(device, false /* bFocused */, false /* showSeekBar */,
+                            false /* showProgressBar */, true /* showSubtitle */,
+                            true /* showStatus */);
                 } else if (device.getState() == MediaDeviceState.STATE_GROUPING) {
                     setUpDeviceIcon(device);
-                    mProgressBar.getIndeterminateDrawable().setColorFilter(
-                            new PorterDuffColorFilter(
-                                    mController.getColorItemContent(),
-                                    PorterDuff.Mode.SRC_IN));
-                    setSingleLineLayout(getItemTitle(device), true /* bFocused */,
-                            false /* showSeekBar*/,
-                            true /* showProgressBar */, false /* showStatus */);
+                    updateProgressBarColor();
+                    setSingleLineLayout(getItemTitle(device), false /* showSeekBar*/,
+                            true /* showProgressBar */, false /* showCheckBox */,
+                            false /* showEndTouchArea */);
                 } else if (mController.getSelectedMediaDevice().size() > 1
                         && isDeviceIncluded(mController.getSelectedMediaDevice(), device)) {
                     boolean isDeviceDeselectable = isDeviceIncluded(
                             mController.getDeselectableMediaDevice(), device);
-                    mTitleText.setTextColor(mController.getColorItemContent());
-                    mTitleIcon.setImageDrawable(
-                            mContext.getDrawable(R.drawable.media_output_icon_volume));
-                    mTitleIcon.setColorFilter(mController.getColorItemContent());
-                    setSingleLineLayout(getItemTitle(device), true /* bFocused */,
-                            true /* showSeekBar */,
-                            false /* showProgressBar */, false /* showStatus */);
+                    updateTitleIcon(R.drawable.media_output_icon_volume,
+                            mController.getColorItemContent());
+                    updateGroupableCheckBox(true, isDeviceDeselectable, device);
+                    updateEndClickArea(device, isDeviceDeselectable);
                     setUpContentDescriptionForView(mContainerLayout, false, device);
-                    mCheckBox.setOnCheckedChangeListener(null);
-                    mCheckBox.setVisibility(View.VISIBLE);
-                    mCheckBox.setChecked(true);
-                    mCheckBox.setOnCheckedChangeListener(isDeviceDeselectable
-                            ? (buttonView, isChecked) -> onGroupActionTriggered(false, device)
-                            : null);
-                    mCheckBox.setEnabled(isDeviceDeselectable);
-                    setCheckBoxColor(mCheckBox, mController.getColorItemContent());
+                    setSingleLineLayout(getItemTitle(device), true /* showSeekBar */,
+                            false /* showProgressBar */, true /* showCheckBox */,
+                            true /* showEndTouchArea */);
                     initSeekbar(device, isCurrentSeekbarInvisible);
-                    mEndTouchArea.setVisibility(View.VISIBLE);
-                    mEndTouchArea.setOnClickListener(null);
-                    mEndTouchArea.setOnClickListener(
-                            isDeviceDeselectable ? (v) -> mCheckBox.performClick() : null);
-                    mEndTouchArea.setImportantForAccessibility(
-                            View.IMPORTANT_FOR_ACCESSIBILITY_YES);
-                    setUpContentDescriptionForView(mEndTouchArea, true, device);
                 } else if (!mController.hasAdjustVolumeUserRestriction()
                         && currentlyConnected) {
                     if (isMutingExpectedDeviceExist
                             && !mController.isCurrentConnectedDeviceRemote()) {
                         // mark as disconnected and set special click listener
                         setUpDeviceIcon(device);
-                        setSingleLineLayout(getItemTitle(device), false /* bFocused */);
-                        mContainerLayout.setOnClickListener(v -> cancelMuteAwaitConnection());
+                        updateContainerClickListener(v -> cancelMuteAwaitConnection());
+                        setSingleLineLayout(getItemTitle(device));
                     } else {
-                        mTitleIcon.setImageDrawable(
-                                mContext.getDrawable(R.drawable.media_output_icon_volume));
-                        mTitleIcon.setColorFilter(mController.getColorItemContent());
-                        mTitleText.setTextColor(mController.getColorItemContent());
-                        setSingleLineLayout(getItemTitle(device), true /* bFocused */,
-                                true /* showSeekBar */,
-                                false /* showProgressBar */, false /* showStatus */);
-                        initSeekbar(device, isCurrentSeekbarInvisible);
+                        updateTitleIcon(R.drawable.media_output_icon_volume,
+                                mController.getColorItemContent());
                         setUpContentDescriptionForView(mContainerLayout, false, device);
                         mCurrentActivePosition = position;
+                        setSingleLineLayout(getItemTitle(device), true /* showSeekBar */,
+                                false /* showProgressBar */, false /* showCheckBox */,
+                                false /* showEndTouchArea */);
+                        initSeekbar(device, isCurrentSeekbarInvisible);
                     }
                 } else if (isDeviceIncluded(mController.getSelectableMediaDevice(), device)) {
                     setUpDeviceIcon(device);
-                    mCheckBox.setOnCheckedChangeListener(null);
-                    mCheckBox.setVisibility(View.VISIBLE);
-                    mCheckBox.setChecked(false);
-                    mCheckBox.setOnCheckedChangeListener(
-                            (buttonView, isChecked) -> onGroupActionTriggered(true, device));
-                    mEndTouchArea.setVisibility(View.VISIBLE);
-                    mContainerLayout.setOnClickListener(v -> onGroupActionTriggered(true, device));
-                    setCheckBoxColor(mCheckBox, mController.getColorItemContent());
-                    setSingleLineLayout(getItemTitle(device), false /* bFocused */,
-                            false /* showSeekBar */,
-                            false /* showProgressBar */, false /* showStatus */);
+                    updateGroupableCheckBox(false, true, device);
+                    updateContainerClickListener(v -> onGroupActionTriggered(true, device));
+                    setSingleLineLayout(getItemTitle(device), false /* showSeekBar */,
+                            false /* showProgressBar */, true /* showCheckBox */,
+                            true /* showEndTouchArea */);
                 } else {
                     setUpDeviceIcon(device);
-                    setSingleLineLayout(getItemTitle(device), false /* bFocused */);
-                    mContainerLayout.setOnClickListener(v -> onItemClick(v, device));
+                    setSingleLineLayout(getItemTitle(device));
+                    updateContainerClickListener(v -> onItemClick(v, device));
                 }
             }
         }
@@ -248,15 +195,56 @@
                     ColorStateList(states, colors));
         }
 
+        private void updateConnectionFailedStatusIcon() {
+            mStatusIcon.setImageDrawable(
+                    mContext.getDrawable(R.drawable.media_output_status_failed));
+            mStatusIcon.setColorFilter(mController.getColorItemContent());
+        }
+
+        private void updateProgressBarColor() {
+            mProgressBar.getIndeterminateDrawable().setColorFilter(
+                    new PorterDuffColorFilter(
+                            mController.getColorItemContent(),
+                            PorterDuff.Mode.SRC_IN));
+        }
+
+        public void updateEndClickArea(MediaDevice device, boolean isDeviceDeselectable) {
+            mEndTouchArea.setOnClickListener(null);
+            mEndTouchArea.setOnClickListener(
+                    isDeviceDeselectable ? (v) -> mCheckBox.performClick() : null);
+            mEndTouchArea.setImportantForAccessibility(
+                    View.IMPORTANT_FOR_ACCESSIBILITY_YES);
+            setUpContentDescriptionForView(mEndTouchArea, true, device);
+        }
+
+        private void updateGroupableCheckBox(boolean isSelected, boolean isGroupable,
+                MediaDevice device) {
+            mCheckBox.setOnCheckedChangeListener(null);
+            mCheckBox.setChecked(isSelected);
+            mCheckBox.setOnCheckedChangeListener(
+                    isGroupable ? (buttonView, isChecked) -> onGroupActionTriggered(!isSelected,
+                            device) : null);
+            mCheckBox.setEnabled(isGroupable);
+            setCheckBoxColor(mCheckBox, mController.getColorItemContent());
+        }
+
+        private void updateTitleIcon(@DrawableRes int id, int color) {
+            mTitleIcon.setImageDrawable(mContext.getDrawable(id));
+            mTitleIcon.setColorFilter(color);
+        }
+
+        private void updateContainerClickListener(View.OnClickListener listener) {
+            mContainerLayout.setOnClickListener(listener);
+        }
+
         @Override
         void onBind(int customizedItem, boolean topMargin, boolean bottomMargin) {
             if (customizedItem == CUSTOMIZED_ITEM_PAIR_NEW) {
                 mTitleText.setTextColor(mController.getColorItemContent());
                 mCheckBox.setVisibility(View.GONE);
-                setSingleLineLayout(mContext.getText(R.string.media_output_dialog_pairing_new),
-                        false /* bFocused */);
-                final Drawable d = mContext.getDrawable(R.drawable.ic_add);
-                mTitleIcon.setImageDrawable(d);
+                setSingleLineLayout(mContext.getText(R.string.media_output_dialog_pairing_new));
+                final Drawable addDrawable = mContext.getDrawable(R.drawable.ic_add);
+                mTitleIcon.setImageDrawable(addDrawable);
                 mTitleIcon.setColorFilter(mController.getColorItemContent());
                 mContainerLayout.setOnClickListener(mController::launchBluetoothPairing);
             }
@@ -273,7 +261,7 @@
         }
 
         private void onItemClick(View view, MediaDevice device) {
-            if (mController.isTransferring()) {
+            if (mController.isAnyDeviceTransferring()) {
                 return;
             }
             if (isCurrentlyConnected(device)) {
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 3b4ca48..3f7b226 100644
--- a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseAdapter.java
@@ -63,8 +63,6 @@
 
     protected final MediaOutputController mController;
 
-    private int mMargin;
-
     Context mContext;
     View mHolderView;
     boolean mIsDragging;
@@ -82,8 +80,6 @@
     public MediaDeviceBaseViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup,
             int viewType) {
         mContext = viewGroup.getContext();
-        mMargin = mContext.getResources().getDimensionPixelSize(
-                R.dimen.media_output_dialog_list_margin);
         mHolderView = LayoutInflater.from(mContext).inflate(R.layout.media_output_list_item,
                 viewGroup, false);
 
@@ -168,16 +164,28 @@
 
         void onBind(MediaDevice device, boolean topMargin, boolean bottomMargin, int position) {
             mDeviceId = device.getId();
+            mCheckBox.setVisibility(View.GONE);
+            mStatusIcon.setVisibility(View.GONE);
+            mEndTouchArea.setVisibility(View.GONE);
+            mEndTouchArea.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
+            mContainerLayout.setOnClickListener(null);
+            mContainerLayout.setContentDescription(null);
+            mTitleText.setTextColor(mController.getColorItemContent());
+            mSubTitleText.setTextColor(mController.getColorItemContent());
+            mTwoLineTitleText.setTextColor(mController.getColorItemContent());
+            mSeekBar.getProgressDrawable().setColorFilter(
+                    new PorterDuffColorFilter(mController.getColorSeekbarProgress(),
+                            PorterDuff.Mode.SRC_IN));
         }
 
         abstract void onBind(int customizedItem, boolean topMargin, boolean bottomMargin);
 
-        void setSingleLineLayout(CharSequence title, boolean bFocused) {
-            setSingleLineLayout(title, bFocused, false, false, false);
+        void setSingleLineLayout(CharSequence title) {
+            setSingleLineLayout(title, false, false, false, false);
         }
 
-        void setSingleLineLayout(CharSequence title, boolean bFocused, boolean showSeekBar,
-                boolean showProgressBar, boolean showStatus) {
+        void setSingleLineLayout(CharSequence title, boolean showSeekBar,
+                boolean showProgressBar, boolean showCheckBox, boolean showEndTouchArea) {
             mTwoLineLayout.setVisibility(View.GONE);
             boolean isActive = showSeekBar || showProgressBar;
             if (!mCornerAnimator.isRunning()) {
@@ -188,10 +196,6 @@
                                 .mutate() : mContext.getDrawable(
                                         R.drawable.media_output_item_background)
                                 .mutate();
-                backgroundDrawable.setColorFilter(new PorterDuffColorFilter(
-                        isActive ? mController.getColorConnectedItemBackground()
-                                : mController.getColorItemBackground(),
-                        PorterDuff.Mode.SRC_IN));
                 mItemLayout.setBackground(backgroundDrawable);
                 if (showSeekBar) {
                     final ClipDrawable clipDrawable =
@@ -201,27 +205,21 @@
                             (GradientDrawable) clipDrawable.getDrawable();
                     progressDrawable.setCornerRadius(mController.getActiveRadius());
                 }
-            } else {
-                mItemLayout.getBackground().setColorFilter(new PorterDuffColorFilter(
-                        isActive ? mController.getColorConnectedItemBackground()
-                                : mController.getColorItemBackground(),
-                        PorterDuff.Mode.SRC_IN));
             }
+            mItemLayout.getBackground().setColorFilter(new PorterDuffColorFilter(
+                    isActive ? mController.getColorConnectedItemBackground()
+                            : mController.getColorItemBackground(),
+                    PorterDuff.Mode.SRC_IN));
             mProgressBar.setVisibility(showProgressBar ? View.VISIBLE : View.GONE);
             mSeekBar.setAlpha(1);
             mSeekBar.setVisibility(showSeekBar ? View.VISIBLE : View.GONE);
             if (!showSeekBar) {
                 mSeekBar.resetVolume();
             }
-            mStatusIcon.setVisibility(showStatus ? View.VISIBLE : View.GONE);
             mTitleText.setText(title);
             mTitleText.setVisibility(View.VISIBLE);
-        }
-
-        void setTwoLineLayout(MediaDevice device, boolean bFocused, boolean showSeekBar,
-                boolean showProgressBar, boolean showSubtitle) {
-            setTwoLineLayout(device, null, bFocused, showSeekBar, showProgressBar, showSubtitle,
-                    false);
+            mCheckBox.setVisibility(showCheckBox ? View.VISIBLE : View.GONE);
+            mEndTouchArea.setVisibility(showEndTouchArea ? View.VISIBLE : View.GONE);
         }
 
         void setTwoLineLayout(MediaDevice device, boolean bFocused, boolean showSeekBar,
@@ -230,12 +228,6 @@
                     showStatus);
         }
 
-        void setTwoLineLayout(CharSequence title, boolean bFocused, boolean showSeekBar,
-                boolean showProgressBar, boolean showSubtitle) {
-            setTwoLineLayout(null, title, bFocused, showSeekBar, showProgressBar, showSubtitle,
-                    false);
-        }
-
         private void setTwoLineLayout(MediaDevice device, CharSequence title, boolean bFocused,
                 boolean showSeekBar, boolean showProgressBar, boolean showSubtitle,
                 boolean showStatus) {
@@ -254,20 +246,11 @@
             mProgressBar.setVisibility(showProgressBar ? View.VISIBLE : View.GONE);
             mSubTitleText.setVisibility(showSubtitle ? View.VISIBLE : View.GONE);
             mTwoLineTitleText.setTranslationY(0);
-            if (device == null) {
-                mTwoLineTitleText.setText(title);
-            } else {
-                mTwoLineTitleText.setText(getItemTitle(device));
-            }
-
-            if (bFocused) {
-                mTwoLineTitleText.setTypeface(Typeface.create(mContext.getString(
-                        com.android.internal.R.string.config_headlineFontFamilyMedium),
-                        Typeface.NORMAL));
-            } else {
-                mTwoLineTitleText.setTypeface(Typeface.create(mContext.getString(
-                        com.android.internal.R.string.config_headlineFontFamily), Typeface.NORMAL));
-            }
+            mTwoLineTitleText.setText(device == null ? title : getItemTitle(device));
+            mTwoLineTitleText.setTypeface(Typeface.create(mContext.getString(
+                            bFocused ? com.android.internal.R.string.config_headlineFontFamilyMedium
+                                    : com.android.internal.R.string.config_headlineFontFamily),
+                    Typeface.NORMAL));
         }
 
         void initSeekbar(MediaDevice device, boolean isCurrentSeekbarInvisible) {
@@ -327,35 +310,6 @@
             mItemLayout.setBackground(backgroundDrawable);
         }
 
-        void initSessionSeekbar() {
-            disableSeekBar();
-            mSeekBar.setMax(mController.getSessionVolumeMax());
-            mSeekBar.setMin(0);
-            final int currentVolume = mController.getSessionVolume();
-            if (mSeekBar.getProgress() != currentVolume) {
-                mSeekBar.setProgress(currentVolume, true);
-            }
-            mSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
-                @Override
-                public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
-                    if (!fromUser) {
-                        return;
-                    }
-                    mController.adjustSessionVolume(progress);
-                }
-
-                @Override
-                public void onStartTrackingTouch(SeekBar seekBar) {
-                    mIsDragging = true;
-                }
-
-                @Override
-                public void onStopTrackingTouch(SeekBar seekBar) {
-                    mIsDragging = false;
-                }
-            });
-        }
-
         private void animateCornerAndVolume(int fromProgress, int toProgress) {
             final GradientDrawable layoutBackgroundDrawable =
                     (GradientDrawable) mItemLayout.getBackground();
diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java
index dad6544..8dd843a 100644
--- a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java
@@ -421,7 +421,7 @@
                 device.getId());
         boolean isSelectedDeviceInGroup = getSelectedMediaDevice().size() > 1
                 && getSelectedMediaDevice().contains(device);
-        return (!hasAdjustVolumeUserRestriction() && isConnected && !isTransferring())
+        return (!hasAdjustVolumeUserRestriction() && isConnected && !isAnyDeviceTransferring())
                 || isSelectedDeviceInGroup;
     }
 
@@ -726,7 +726,7 @@
                 UserHandle.of(UserHandle.myUserId()));
     }
 
-    boolean isTransferring() {
+    boolean isAnyDeviceTransferring() {
         synchronized (mMediaDevicesLock) {
             for (MediaDevice device : mMediaDevices) {
                 if (device.getState() == LocalMediaManager.MediaDeviceState.STATE_CONNECTING) {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/media/dialog/MediaOutputAdapterTest.java b/packages/SystemUI/tests/src/com/android/systemui/media/dialog/MediaOutputAdapterTest.java
index 260bb87..22ecb4b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/media/dialog/MediaOutputAdapterTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/media/dialog/MediaOutputAdapterTest.java
@@ -78,7 +78,7 @@
 
         when(mMediaOutputController.getMediaDevices()).thenReturn(mMediaDevices);
         when(mMediaOutputController.hasAdjustVolumeUserRestriction()).thenReturn(false);
-        when(mMediaOutputController.isTransferring()).thenReturn(false);
+        when(mMediaOutputController.isAnyDeviceTransferring()).thenReturn(false);
         when(mMediaOutputController.getDeviceIconCompat(mMediaDevice1)).thenReturn(mIconCompat);
         when(mMediaOutputController.getDeviceIconCompat(mMediaDevice2)).thenReturn(mIconCompat);
         when(mMediaOutputController.getCurrentConnectedMediaDevice()).thenReturn(mMediaDevice1);
@@ -208,7 +208,7 @@
 
     @Test
     public void onBindViewHolder_inTransferring_bindTransferringDevice_verifyView() {
-        when(mMediaOutputController.isTransferring()).thenReturn(true);
+        when(mMediaOutputController.isAnyDeviceTransferring()).thenReturn(true);
         when(mMediaDevice1.getState()).thenReturn(
                 LocalMediaManager.MediaDeviceState.STATE_CONNECTING);
         mMediaOutputAdapter.onBindViewHolder(mViewHolder, 0);
@@ -224,7 +224,7 @@
 
     @Test
     public void onBindViewHolder_inTransferring_bindNonTransferringDevice_verifyView() {
-        when(mMediaOutputController.isTransferring()).thenReturn(true);
+        when(mMediaOutputController.isAnyDeviceTransferring()).thenReturn(true);
         when(mMediaDevice2.getState()).thenReturn(
                 LocalMediaManager.MediaDeviceState.STATE_CONNECTING);
         mMediaOutputAdapter.onBindViewHolder(mViewHolder, 0);