/* * Copyright (C) 2020 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. AND ITS 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 APPLE INC. OR ITS 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. */ #pragma once #include <WebCore/DOMWindow.h> #include <wtf/Forward.h> namespace WebCore { class Frame; } namespace WebKit { class WebAutomationDOMWindowObserver final : public RefCounted<WebAutomationDOMWindowObserver>, public WebCore::DOMWindow::Observer { public: static Ref<WebAutomationDOMWindowObserver> create(WebCore::DOMWindow& window, WTF::Function<void(WebAutomationDOMWindowObserver&)>&& callback) { return adoptRef(*new WebAutomationDOMWindowObserver(window, WTFMove(callback))); } ~WebAutomationDOMWindowObserver(); // All of these observer callbacks are interpreted as a signal that a frame has been detached and // can no longer accept new commands nor finish pending commands (eg, evaluating JavaScript). void willDestroyGlobalObjectInCachedFrame() final; void willDestroyGlobalObjectInFrame() final; void willDetachGlobalObjectFromFrame() final; private: WebAutomationDOMWindowObserver(WebCore::DOMWindow&, WTF::Function<void(WebAutomationDOMWindowObserver&)>&&); WeakPtr<WebCore::DOMWindow> m_window; bool m_wasDetached { false }; WTF::Function<void(WebAutomationDOMWindowObserver&)> m_callback; }; } // namespace WebKit