1 files changed, 57 insertions, 0 deletions
diff --git a/WebCore/bindings/js/JSArrayBufferCustom.cpp b/WebCore/bindings/js/JSArrayBufferCustom.cpp
new file mode 100644
index 0000000..3555a60
--- /dev/null
+++ b/WebCore/bindings/js/JSArrayBufferCustom.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2009 Apple 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. 
+ */
+
+#include "config.h"
+
+#if ENABLE(3D_CANVAS)
+
+#include "JSArrayBuffer.h"
+
+#include "ArrayBuffer.h"
+#include "ExceptionCode.h"
+#include <runtime/Error.h>
+
+namespace WebCore {
+
+using namespace JSC;
+
+EncodedJSValue JSC_HOST_CALL JSArrayBufferConstructor::constructJSArrayBuffer(ExecState* exec)
+{
+    JSArrayBufferConstructor* jsConstructor = static_cast<JSArrayBufferConstructor*>(exec->callee());
+
+    int length = 0;
+    if (exec->argumentCount() > 0)
+        length = exec->argument(0).toInt32(exec); // NaN/+inf/-inf returns 0, this is intended by WebIDL
+    RefPtr<ArrayBuffer> buffer;
+    if (length >= 0)
+        buffer = ArrayBuffer::create(static_cast<unsigned>(length), 1);
+    if (!buffer.get())
+        return throwVMError(exec, createRangeError(exec, "ArrayBuffer size is not a small enough positive integer."));
+    return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(), buffer.get())));
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(3D_CANVAS)