/* * Copyright (C) 2009 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 THE COPYRIGHT * OWNER 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. */ #include "config.h" #if ENABLE(3D_CANVAS) #include "CanvasArrayBuffer.h" #include "V8Binding.h" #include "V8CanvasArrayBuffer.h" #include "V8CustomBinding.h" #include "V8Proxy.h" namespace WebCore { CALLBACK_FUNC_DECL(CanvasArrayBufferConstructor) { INC_STATS("DOM.CanvasArrayBuffer.Contructor"); if (!args.IsConstructCall()) return throwError("DOM object constructor cannot be called as a function."); int argLen = args.Length(); // Supported constructors: // CanvasArrayBuffer(n) where n is an integer: // -- create an empty buffer of n bytes if (argLen != 1) return throwError("Wrong number of arguments specified to constructor (requires 1)"); int len = 0; if (!args[0]->IsInt32()) return throwError("Argument to CanvasArrayBuffer constructor was not an integer"); len = toInt32(args[0]); RefPtr buffer = CanvasArrayBuffer::create(len); // Transform the holder into a wrapper object for the array. V8DOMWrapper::setDOMWrapper(args.Holder(), V8ClassIndex::ToInt(V8ClassIndex::CANVASARRAYBUFFER), buffer.get()); return toV8(buffer.release(), args.Holder()); } } // namespace WebCore #endif // ENABLE(3D_CANVAS)