Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c0656a88 authored by Ahmad Khalil's avatar Ahmad Khalil
Browse files

Introducing VibratorControlService 

We're adding part of the framework's implementation for
IVibratorControlService, which will allow registering and unregistering
a VibrationController. We're also registering the service through the
VibratorManagerService.

Bug: 305961689
Test: atest FrameworksVibratorServicesTests
Change-Id: Ic95c1e5b73106f9c89f02277966586c6c0855e4f
parent 1b7e9c03

core/java/android/os/vibrator/flags.aconfig

+7 −0
Original line number Diff line number Diff line
@@ -44,3 +44,10 @@ flag { 
    description: "Enables the independent keyboard vibration settings feature"

    bug: "289107579"

}



flag {

    namespace: "haptics"

    name: "adaptive_haptics_enabled"

    description: "Enables the adaptive haptics feature"

    bug: "305961689"

}

services/core/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -154,6 +154,7 @@ java_library_static { 


    static_libs: [

        "android.frameworks.location.altitude-V1-java", // AIDL

        "android.frameworks.vibrator-V1-java", // AIDL

        "android.hardware.authsecret-V1.0-java",

        "android.hardware.authsecret-V1-java",

        "android.hardware.boot-V1.0-java", // HIDL

services/core/java/com/android/server/vibrator/VibratorControlService.java

0 → 100644
+105 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 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.server.vibrator;



import android.annotation.NonNull;

import android.annotation.SuppressLint;

import android.frameworks.vibrator.IVibratorControlService;

import android.frameworks.vibrator.IVibratorController;

import android.frameworks.vibrator.VibrationParam;

import android.os.IBinder;

import android.os.RemoteException;

import android.util.Slog;



import java.util.Objects;



/**

 * Implementation of {@link IVibratorControlService} which allows the registration of

 * {@link IVibratorController} to set and receive vibration params.

 *

 * @hide

 */

public final class VibratorControlService extends IVibratorControlService.Stub {

    private static final String TAG = "VibratorControlService";



    private final VibratorControllerHolder mVibratorControllerHolder;

    private final Object mLock;



    public VibratorControlService(VibratorControllerHolder vibratorControllerHolder, Object lock) {

        mVibratorControllerHolder = vibratorControllerHolder;

        mLock = lock;

    }



    @Override

    public void registerVibratorController(IVibratorController controller)

            throws RemoteException {

        synchronized (mLock) {

            mVibratorControllerHolder.setVibratorController(controller);

        }

    }



    @Override

    public void unregisterVibratorController(@NonNull IVibratorController controller)

            throws RemoteException {

        Objects.requireNonNull(controller);



        synchronized (mLock) {

            if (mVibratorControllerHolder.getVibratorController() == null) {

                Slog.w(TAG, "Received request to unregister IVibratorController = "

                        + controller + ", but no controller was previously registered. Request "

                        + "Ignored.");

                return;

            }

            if (!Objects.equals(mVibratorControllerHolder.getVibratorController().asBinder(),

                    controller.asBinder())) {

                Slog.wtf(TAG, "Failed to unregister IVibratorController. The provided "

                        + "controller doesn't match the registered one. " + this);

                return;

            }

            mVibratorControllerHolder.setVibratorController(null);

        }

    }



    @Override

    public void setVibrationParams(

            @SuppressLint("ArrayReturn") VibrationParam[] params, IVibratorController token)

            throws RemoteException {

        // TODO(b/305939964): Add set vibration implementation.

    }



    @Override

    public void clearVibrationParams(int types, IVibratorController token) throws RemoteException {

        // TODO(b/305939964): Add clear vibration implementation.

    }



    @Override

    public void onRequestVibrationParamsComplete(

            IBinder requestToken, @SuppressLint("ArrayReturn") VibrationParam[] result)

            throws RemoteException {

        // TODO(305942827): Cache the vibration params in VibrationScaler

    }



    @Override

    public int getInterfaceVersion() throws RemoteException {

        return this.VERSION;

    }



    @Override

    public String getInterfaceHash() throws RemoteException {

        return this.HASH;

    }

}

services/core/java/com/android/server/vibrator/VibratorControllerHolder.java

0 → 100644
+70 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 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.server.vibrator;



import android.annotation.NonNull;

import android.frameworks.vibrator.IVibratorController;

import android.os.IBinder;

import android.os.RemoteException;

import android.util.Slog;



/**

 * Holder class for {@link IVibratorController}.

 *

 * @hide

 */

public final class VibratorControllerHolder implements IBinder.DeathRecipient {

    private static final String TAG = "VibratorControllerHolder";



    private IVibratorController mVibratorController;



    public IVibratorController getVibratorController() {

        return mVibratorController;

    }



    /**

     * Sets the {@link IVibratorController} in {@link VibratorControllerHolder} to the new

     * controller. This will also take care of registering and unregistering death notifications

     * for the cached {@link IVibratorController}.

     */

    public void setVibratorController(IVibratorController controller) {

        try {

            if (mVibratorController != null) {

                mVibratorController.asBinder().unlinkToDeath(this, 0);

            }

            mVibratorController = controller;

            if (mVibratorController != null) {

                mVibratorController.asBinder().linkToDeath(this, 0);

            }

        } catch (RemoteException e) {

            Slog.wtf(TAG, "Failed to set IVibratorController: " + this, e);

        }

    }



    @Override

    public void binderDied(@NonNull IBinder deadBinder) {

        if (deadBinder == mVibratorController.asBinder()) {

            setVibratorController(null);

        }

    }



    @Override

    public void binderDied() {

        // Should not be used as binderDied(IBinder who) is overridden.

        Slog.wtf(TAG, "binderDied() called unexpectedly.");

    }

}

services/core/java/com/android/server/vibrator/VibratorManagerService.java

+7 −0
Original line number Diff line number Diff line
@@ -91,6 +91,8 @@ import java.util.function.Function; 
public class VibratorManagerService extends IVibratorManagerService.Stub {

    private static final String TAG = "VibratorManagerService";

    private static final String EXTERNAL_VIBRATOR_SERVICE = "external_vibrator_service";

    private static final String VIBRATOR_CONTROL_SERVICE =

            "android.frameworks.vibrator.IVibratorControlService/default";

    private static final boolean DEBUG = false;

    private static final VibrationAttributes DEFAULT_ATTRIBUTES =

            new VibrationAttributes.Builder().build();
@@ -269,6 +271,11 @@ public class VibratorManagerService extends IVibratorManagerService.Stub { 
        context.registerReceiver(mIntentReceiver, filter, Context.RECEIVER_NOT_EXPORTED);



        injector.addService(EXTERNAL_VIBRATOR_SERVICE, new ExternalVibratorService());

        if (ServiceManager.isDeclared(VIBRATOR_CONTROL_SERVICE)) {

            injector.addService(VIBRATOR_CONTROL_SERVICE,

                    new VibratorControlService(new VibratorControllerHolder(), mLock));

        }



    }



    /** Finish initialization at boot phase {@link SystemService#PHASE_SYSTEM_SERVICES_READY}. */