| /* |
| * Copyright (C) 2013 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 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 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" |
| #include "WebCoreTypedArrayController.h" |
| |
| #include "JSDOMConvertBufferSource.h" |
| #include "JSDOMGlobalObject.h" |
| #include <JavaScriptCore/ArrayBuffer.h> |
| #include <JavaScriptCore/JSArrayBuffer.h> |
| #include <JavaScriptCore/JSCInlines.h> |
| |
| namespace WebCore { |
| |
| WebCoreTypedArrayController::WebCoreTypedArrayController() = default; |
| |
| WebCoreTypedArrayController::~WebCoreTypedArrayController() = default; |
| |
| JSC::JSArrayBuffer* WebCoreTypedArrayController::toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSC::JSGlobalObject* globalObject, JSC::ArrayBuffer* buffer) |
| { |
| return JSC::jsCast<JSC::JSArrayBuffer*>(WebCore::toJS(lexicalGlobalObject, JSC::jsCast<JSDOMGlobalObject*>(globalObject), buffer)); |
| } |
| |
| void WebCoreTypedArrayController::registerWrapper(JSC::JSGlobalObject* globalObject, JSC::ArrayBuffer* native, JSC::JSArrayBuffer* wrapper) |
| { |
| cacheWrapper(JSC::jsCast<JSDOMGlobalObject*>(globalObject)->world(), native, wrapper); |
| } |
| |
| bool WebCoreTypedArrayController::isAtomicsWaitAllowedOnCurrentThread() |
| { |
| return !isMainThread(); |
| } |
| |
| bool WebCoreTypedArrayController::JSArrayBufferOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, JSC::SlotVisitor& visitor, const char** reason) |
| { |
| if (UNLIKELY(reason)) |
| *reason = "ArrayBuffer is opaque root"; |
| auto& wrapper = *JSC::jsCast<JSC::JSArrayBuffer*>(handle.slot()->asCell()); |
| return visitor.containsOpaqueRoot(wrapper.impl()); |
| } |
| |
| void WebCoreTypedArrayController::JSArrayBufferOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context) |
| { |
| auto& wrapper = *static_cast<JSC::JSArrayBuffer*>(handle.slot()->asCell()); |
| uncacheWrapper(*static_cast<DOMWrapperWorld*>(context), wrapper.impl(), &wrapper); |
| } |
| |
| } // namespace WebCore |