core/java/android/view/InputApplicationHandle.java

/*
 * Copyright (C) 2011 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.view;

import android.annotation.NonNull;
import android.os.IBinder;

/**
 * Functions as a handle for an application that can receive input.
 * Enables the native input dispatcher to refer indirectly to the window manager's
 * application window token.
 * @hide
 */
public final class InputApplicationHandle {
    // Pointer to the native input application handle.
    // This field is lazily initialized via JNI.
    @SuppressWarnings("unused")
    private long ptr;

    // Application name.
    public final @NonNull String name;

    // Dispatching timeout.
    public final long dispatchingTimeoutNanos;

    public final IBinder token;

    private native void nativeDispose();

    public InputApplicationHandle(@NonNull IBinder token, @NonNull String name,
            long dispatchingTimeoutNanos) {
        this.token = token;
        this.name = name;
        this.dispatchingTimeoutNanos = dispatchingTimeoutNanos;
    }

    public InputApplicationHandle(InputApplicationHandle handle) {
        this.token = handle.token;
        this.dispatchingTimeoutNanos = handle.dispatchingTimeoutNanos;
        this.name = handle.name;
    }

    @Override
    protected void finalize() throws Throwable {
        try {
            nativeDispose();
        } finally {
            super.finalize();
        }
    }
}