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/*
* Copyright (C) 2018 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 android.os;
import android.annotation.NonNull;
import android.media.AudioAttributes;
import android.util.Slog;
import com.android.internal.util.Preconditions;
/**
* An ExternalVibration represents an on-going vibration being controlled by something other than
* the core vibrator service.
*
* @hide
*/
public class ExternalVibration implements Parcelable {
private static final String TAG = "ExternalVibration";
private int mUid;
@NonNull
private String mPkg;
@NonNull
private AudioAttributes mAttrs;
@NonNull
private IExternalVibrationController mController;
// A token used to maintain equality comparisons when passing objects across process
// boundaries.
@NonNull
private IBinder mToken;
public ExternalVibration(int uid, @NonNull String pkg, @NonNull AudioAttributes attrs,
@NonNull IExternalVibrationController controller) {
mUid = uid;
mPkg = Preconditions.checkNotNull(pkg);
mAttrs = Preconditions.checkNotNull(attrs);
mController = Preconditions.checkNotNull(controller);
mToken = new Binder();
}
private ExternalVibration(Parcel in) {
mUid = in.readInt();
mPkg = in.readString();
mAttrs = readAudioAttributes(in);
mController = IExternalVibrationController.Stub.asInterface(in.readStrongBinder());
mToken = in.readStrongBinder();
}
private AudioAttributes readAudioAttributes(Parcel in) {
int usage = in.readInt();
int contentType = in.readInt();
int capturePreset = in.readInt();
int flags = in.readInt();
AudioAttributes.Builder builder = new AudioAttributes.Builder();
return builder.setUsage(usage)
.setContentType(contentType)
.setCapturePreset(capturePreset)
.setFlags(flags)
.build();
}
public int getUid() {
return mUid;
}
public String getPackage() {
return mPkg;
}
public AudioAttributes getAudioAttributes() {
return mAttrs;
}
/**
* Mutes the external vibration if it's playing and unmuted.
*
* @return whether the muting operation was successful
*/
public boolean mute() {
try {
mController.mute();
} catch (RemoteException e) {
Slog.wtf(TAG, "Failed to mute vibration stream: " + this, e);
return false;
}
return true;
}
/**
* Unmutes the external vibration if it's playing and muted.
*
* @return whether the unmuting operation was successful
*/
public boolean unmute() {
try {
mController.unmute();
} catch (RemoteException e) {
Slog.wtf(TAG, "Failed to unmute vibration stream: " + this, e);
return false;
}
return true;
}
/**
* Links a recipient to death against this external vibration token
*/
public void linkToDeath(IBinder.DeathRecipient recipient) {
try {
mToken.linkToDeath(recipient, 0);
} catch (RemoteException e) {
return;
}
}
/**
* Unlinks a recipient to death against this external vibration token
*/
public void unlinkToDeath(IBinder.DeathRecipient recipient) {
mToken.unlinkToDeath(recipient, 0);
}
@Override
public boolean equals(Object o) {
if (o == null || !(o instanceof ExternalVibration)) {
return false;
}
ExternalVibration other = (ExternalVibration) o;
return mToken.equals(other.mToken);
}
@Override
public String toString() {
return "ExternalVibration{"
+ "uid=" + mUid + ", "
+ "pkg=" + mPkg + ", "
+ "attrs=" + mAttrs + ", "
+ "controller=" + mController
+ "token=" + mController
+ "}";
}
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeInt(mUid);
out.writeString(mPkg);
writeAudioAttributes(mAttrs, out, flags);
out.writeStrongBinder(mController.asBinder());
out.writeStrongBinder(mToken);
}
private static void writeAudioAttributes(AudioAttributes attrs, Parcel out, int flags) {
out.writeInt(attrs.getUsage());
out.writeInt(attrs.getContentType());
out.writeInt(attrs.getCapturePreset());
out.writeInt(attrs.getAllFlags());
}
@Override
public int describeContents() {
return 0;
}
public static final @android.annotation.NonNull Parcelable.Creator<ExternalVibration> CREATOR =
new Parcelable.Creator<ExternalVibration>() {
@Override
public ExternalVibration createFromParcel(Parcel in) {
return new ExternalVibration(in);
}
@Override
public ExternalVibration[] newArray(int size) {
return new ExternalVibration[size];
}
};
}
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