/* * Copyright (C) 2016 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. */ #pragma once #include "ScriptElementCachedScriptFetcher.h" #include <runtime/ConsoleTypes.h> #include <wtf/HashCountedSet.h> #include <wtf/text/WTFString.h> namespace WebCore { class LoadableScriptClient; class ScriptElement; class LoadableScript : public ScriptElementCachedScriptFetcher { public: enum class ErrorType { CachedScript, CrossOriginLoad, Nosniff, FailedIntegrityCheck, }; struct ConsoleMessage { MessageSource source; MessageLevel level; String message; }; struct Error { ErrorType type; std::optional<ConsoleMessage> consoleMessage; }; virtual ~LoadableScript() { } virtual bool isLoaded() const = 0; virtual std::optional<Error> error() const = 0; virtual bool wasCanceled() const = 0; virtual void execute(ScriptElement&) = 0; void addClient(LoadableScriptClient&); void removeClient(LoadableScriptClient&); protected: LoadableScript(const String& nonce, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree) : ScriptElementCachedScriptFetcher(nonce, crossOriginMode, charset, initiatorName, isInUserAgentShadowTree) { } void notifyClientFinished(); private: HashCountedSet<LoadableScriptClient*> m_clients; }; }