gecko/mobile/android/base/util/NativeJSContainer.java

40 lines
1.3 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.util;
import org.mozilla.gecko.mozglue.JNITarget;
/**
* NativeJSContainer is a wrapper around the SpiderMonkey JSAPI to make it possible to
* access Javascript objects in Java.
*
* A container must only be used on the thread it is attached to. To use it on another
* thread, call {@link #clone()} to make a copy, and use the copy on the other thread.
* When a copy is first used, it becomes attached to the thread using it.
*/
@JNITarget
public final class NativeJSContainer extends NativeJSObject
{
private long mNativeObject;
private NativeJSContainer(long nativeObject) {
mNativeObject = nativeObject;
}
/**
* Make a copy of this container for use by another thread. When the copy is first used,
* it becomes attached to the thread using it.
*/
@Override
public native NativeJSContainer clone();
/**
* Dispose all associated native objects. Subsequent use of any objects derived from
* this container will throw a NullPointerException.
*/
public native void dispose();
}