services/java/com/android/server/InputWindowHandle.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 com.android.server;

import android.view.WindowManagerPolicy;

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

    // The input application handle.
    public final InputApplicationHandle inputApplicationHandle;

    // The window manager's window state.
    public final WindowManagerPolicy.WindowState windowState;

    private native void nativeDispose();

    public InputWindowHandle(InputApplicationHandle inputApplicationHandle,
            WindowManagerPolicy.WindowState windowState) {
        this.inputApplicationHandle = inputApplicationHandle;
        this.windowState = windowState;
    }

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