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/*
* Copyright (C) 2024 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.window;
import android.annotation.FlaggedApi;
import android.annotation.NonNull;
import android.os.IBinder;
import android.os.Looper;
import android.os.Parcel;
import android.os.Parcelable;
import android.view.Choreographer;
import android.view.SurfaceControl;
import android.view.SurfaceControlInputReceiver;
import android.view.SurfaceControlViewHost;
import com.android.window.flags.Flags;
import libcore.util.NativeAllocationRegistry;
import java.util.Objects;
/**
* A token that can be used to request focus on or to transfer touch gesture to a
* {@link SurfaceControlViewHost} or {@link android.view.SurfaceControl} that has an input channel.
* <p>
* The {@link android.view.SurfaceControl} needs to have been registered for input via
* {@link android.view.WindowManager#registerUnbatchedSurfaceControlInputReceiver(
* InputTransferToken, SurfaceControl, Looper, SurfaceControlInputReceiver)} or
* {@link android.view.WindowManager#registerBatchedSurfaceControlInputReceiver(
* InputTransferToken, SurfaceControl, Choreographer, SurfaceControlInputReceiver)} and the
* returned token can be used to call
* {@link android.view.WindowManager#transferTouchGesture(InputTransferToken, InputTransferToken)}
* <p>
* For {@link SurfaceControlViewHost}, the token can be retrieved via
* {@link SurfaceControlViewHost.SurfacePackage#getInputTransferToken()}
*
* @see android.view.WindowManager#transferTouchGesture(InputTransferToken, InputTransferToken)
*/
@FlaggedApi(Flags.FLAG_SURFACE_CONTROL_INPUT_RECEIVER)
public final class InputTransferToken implements Parcelable {
private static native long nativeCreate();
private static native long nativeCreate(IBinder token);
private static native void nativeWriteToParcel(long nativeObject, Parcel out);
private static native long nativeReadFromParcel(Parcel in);
private static native IBinder nativeGetBinderToken(long nativeObject);
private static native long nativeGetBinderTokenRef(long nativeObject);
private static native long nativeGetNativeInputTransferTokenFinalizer();
private static native boolean nativeEquals(long nativeObject1, long nativeObject2);
private static final NativeAllocationRegistry sRegistry =
NativeAllocationRegistry.createMalloced(InputTransferToken.class.getClassLoader(),
nativeGetNativeInputTransferTokenFinalizer());
/**
* @hide
*/
public final long mNativeObject;
private InputTransferToken(long nativeObject) {
mNativeObject = nativeObject;
sRegistry.registerNativeAllocation(this, nativeObject);
}
/**
* @hide
*/
public InputTransferToken(@NonNull IBinder token) {
this(nativeCreate(token));
}
/**
* @hide
*/
public InputTransferToken() {
this(nativeCreate());
}
/**
* @hide
*/
public IBinder getToken() {
return nativeGetBinderToken(mNativeObject);
}
private InputTransferToken(Parcel in) {
this(nativeReadFromParcel(in));
}
/**
* @hide
*/
@Override
public int describeContents() {
return 0;
}
/**
* @hide
*/
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
nativeWriteToParcel(mNativeObject, dest);
}
public static final @NonNull Creator<InputTransferToken> CREATOR = new Creator<>() {
public InputTransferToken createFromParcel(Parcel in) {
return new InputTransferToken(in);
}
public InputTransferToken[] newArray(int size) {
return new InputTransferToken[size];
}
};
/**
* @hide
*/
@Override
public int hashCode() {
return Objects.hash(nativeGetBinderTokenRef(mNativeObject));
}
/**
* @hide
*/
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null || getClass() != obj.getClass()) return false;
InputTransferToken other = (InputTransferToken) obj;
if (other.mNativeObject == mNativeObject) return true;
return nativeEquals(mNativeObject, other.mNativeObject);
}
}
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