/* * Copyright (C) 2009 Apple Inc. All rights reserved. * Copyright (C) 2013 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef ArrayBufferDeallocationObserver_h #define ArrayBufferDeallocationObserver_h namespace WTF { class ArrayBufferContents; // The current implementation assumes that the instance of this class is a // singleton living for the entire process's lifetime. class ArrayBufferDeallocationObserver { public: virtual void arrayBufferDeallocated(unsigned sizeInBytes) = 0; protected: // Called when Blink-allocated ArrayBuffer becomes available to JavaScript. // Not called for JavaScript-allocated ArrayBuffers. virtual void blinkAllocatedMemory(unsigned sizeInBytes) = 0; friend class ArrayBufferContents; }; } // namespace WTF #endif // ArrayBufferDeallocationObserver_h