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Commit fcf36420 authored by Wenyu Zhang's avatar Wenyu Zhang
Browse files

[1/2] Support a list of listeners in AudioManagerRouteController 

No functional change. Prepare for singleton AudioManagerRouteController
refactor.

Change-Id: I70d4a7c5aeee110c1ab8d2b503c3217115bf3b86
Bug: b/372868909
Test: locally
Flag: EXEMPT No functional change
parent 84319ceb

services/core/java/com/android/server/media/AudioManagerRouteController.java

+15 −3
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@ import java.util.HashMap; 
import java.util.List;

import java.util.Map;

import java.util.Objects;

import java.util.concurrent.CopyOnWriteArrayList;



/**

 * Maintains a list of all available routes and supports transfers to any of them.
@@ -90,7 +91,11 @@ import java.util.Objects; 
    @NonNull private final Context mContext;

    @NonNull private final AudioManager mAudioManager;

    @NonNull private final Handler mHandler;

    @NonNull private final OnDeviceRouteChangedListener mOnDeviceRouteChangedListener;



    @NonNull

    private final CopyOnWriteArrayList<OnDeviceRouteChangedListener>

            mOnDeviceRouteChangedListeners = new CopyOnWriteArrayList<>();



    @NonNull private final BluetoothDeviceRoutesManager mBluetoothRouteController;



    @NonNull private final AudioProductStrategy mStrategyForMedia;
@@ -131,7 +136,7 @@ import java.util.Objects; 
        mAudioManager = Objects.requireNonNull(audioManager);

        mHandler = new Handler(Objects.requireNonNull(looper));

        mStrategyForMedia = Objects.requireNonNull(strategyForMedia);

        mOnDeviceRouteChangedListener = Objects.requireNonNull(onDeviceRouteChangedListener);

        mOnDeviceRouteChangedListeners.add(Objects.requireNonNull(onDeviceRouteChangedListener));



        mBuiltInSpeakerSuitabilityStatus =

                DeviceRouteController.getBuiltInSpeakerSuitabilityStatus(mContext);
@@ -144,6 +149,11 @@ import java.util.Objects; 
        rebuildAvailableRoutes();

    }



    public void registerRouteChangeListener(

            @NonNull OnDeviceRouteChangedListener onDeviceRouteChangedListener) {

        mOnDeviceRouteChangedListeners.add(onDeviceRouteChangedListener);

    }



    @RequiresPermission(

            anyOf = {

                Manifest.permission.MODIFY_AUDIO_ROUTING,
@@ -281,7 +291,9 @@ import java.util.Objects; 
            })

    private void rebuildAvailableRoutesAndNotify() {

        rebuildAvailableRoutes();

        mOnDeviceRouteChangedListener.onDeviceRouteChanged();

        for (OnDeviceRouteChangedListener listener : mOnDeviceRouteChangedListeners) {

            listener.onDeviceRouteChanged();

        }

    }



    @RequiresPermission(