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author | Upstream <upstream-import@none> | 1970-01-12 13:46:40 +0000 |
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committer | Upstream <upstream-import@none> | 1970-01-12 13:46:40 +0000 |
commit | d8543bb6618c17b12da906afa77d216f58cf4058 (patch) | |
tree | c58dc05ed86825bd0ef8d305d58c8205106b540f /JavaScriptCore/API/JSCallbackConstructor.cpp | |
download | external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.zip external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.tar.gz external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.tar.bz2 |
external/webkit r30707
Diffstat (limited to 'JavaScriptCore/API/JSCallbackConstructor.cpp')
-rw-r--r-- | JavaScriptCore/API/JSCallbackConstructor.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/JavaScriptCore/API/JSCallbackConstructor.cpp b/JavaScriptCore/API/JSCallbackConstructor.cpp new file mode 100644 index 0000000..46c1823 --- /dev/null +++ b/JavaScriptCore/API/JSCallbackConstructor.cpp @@ -0,0 +1,82 @@ +// -*- mode: c++; c-basic-offset: 4 -*- +/* + * Copyright (C) 2006, 2007 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" +#include "JSCallbackConstructor.h" + +#include "APICast.h" +#include <kjs/JSGlobalObject.h> +#include <kjs/object_object.h> +#include <wtf/Vector.h> + +namespace KJS { + +const ClassInfo JSCallbackConstructor::info = { "CallbackConstructor", 0, 0}; + +JSCallbackConstructor::JSCallbackConstructor(ExecState* exec, JSClassRef jsClass, JSObjectCallAsConstructorCallback callback) + : JSObject(exec->lexicalGlobalObject()->objectPrototype()) + , m_class(jsClass) + , m_callback(callback) +{ + if (m_class) + JSClassRetain(jsClass); +} + +JSCallbackConstructor::~JSCallbackConstructor() +{ + if (m_class) + JSClassRelease(m_class); +} + +bool JSCallbackConstructor::implementsHasInstance() const +{ + return true; +} + +bool JSCallbackConstructor::implementsConstruct() const +{ + return true; +} + +JSObject* JSCallbackConstructor::construct(ExecState* exec, const List &args) +{ + JSContextRef ctx = toRef(exec); + JSObjectRef thisRef = toRef(this); + + if (m_callback) { + int argumentCount = static_cast<int>(args.size()); + Vector<JSValueRef, 16> arguments(argumentCount); + for (int i = 0; i < argumentCount; i++) + arguments[i] = toRef(args[i]); + + JSLock::DropAllLocks dropAllLocks; + return toJS(m_callback(ctx, thisRef, argumentCount, arguments.data(), toRef(exec->exceptionSlot()))); + } + + return toJS(JSObjectMake(ctx, m_class, 0)); +} + +} // namespace KJS |