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/*
* Copyright (C) 2018-2020 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. ``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 "Document.h"
#include "ExceptionOr.h"
#include "FetchRequestCredentials.h"
#include "ScriptExecutionContext.h"
#include "ScriptSourceCode.h"
#include "WorkerOrWorkletGlobalScope.h"
#include "WorkerOrWorkletScriptController.h"
#include <JavaScriptCore/ConsoleMessage.h>
#include <JavaScriptCore/RuntimeFlags.h>
#include <wtf/CompletionHandler.h>
#include <wtf/Deque.h>
#include <wtf/URL.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class MessagePortChannelProvider;
class WorkerMessagePortChannelProvider;
class WorkerScriptLoader;
struct WorkletParameters;
enum WorkletGlobalScopeIdentifierType { };
using WorkletGlobalScopeIdentifier = ObjectIdentifier<WorkletGlobalScopeIdentifierType>;
class WorkletGlobalScope : public WorkerOrWorkletGlobalScope {
WTF_MAKE_ISO_ALLOCATED(WorkletGlobalScope);
public:
virtual ~WorkletGlobalScope();
#if ENABLE(CSS_PAINTING_API)
virtual bool isPaintWorkletGlobalScope() const { return false; }
#endif
#if ENABLE(WEB_AUDIO)
virtual bool isAudioWorkletGlobalScope() const { return false; }
#endif
WEBCORE_EXPORT static unsigned numberOfWorkletGlobalScopes();
MessagePortChannelProvider& messagePortChannelProvider();
const URL& url() const final { return m_url; }
void evaluate();
void addConsoleMessage(std::unique_ptr<Inspector::ConsoleMessage>&&) final;
SecurityOrigin& topOrigin() const final { return m_topOrigin.get(); }
SocketProvider* socketProvider() final { return nullptr; }
bool isSecureContext() const final { return false; }
JSC::RuntimeFlags jsRuntimeFlags() const { return m_jsRuntimeFlags; }
void prepareForDestruction() override;
void fetchAndInvokeScript(const URL&, FetchRequestCredentials, CompletionHandler<void(std::optional<Exception>&&)>&&);
Document* responsibleDocument() { return m_document.get(); }
const Document* responsibleDocument() const { return m_document.get(); }
protected:
WorkletGlobalScope(WorkerOrWorkletThread&, Ref<JSC::VM>&&, const WorkletParameters&);
WorkletGlobalScope(Document&, Ref<JSC::VM>&&, ScriptSourceCode&&);
private:
IDBClient::IDBConnectionProxy* idbConnectionProxy() final { ASSERT_NOT_REACHED(); return nullptr; }
// EventTarget.
EventTargetInterface eventTargetInterface() const final { return WorkletGlobalScopeEventTargetInterfaceType; }
bool isWorkletGlobalScope() const final { return true; }
void logExceptionToConsole(const String& errorMessage, const String&, int, int, RefPtr<Inspector::ScriptCallStack>&&) final;
void addMessage(MessageSource, MessageLevel, const String&, const String&, unsigned, unsigned, RefPtr<Inspector::ScriptCallStack>&&, JSC::JSGlobalObject*, unsigned long) final;
void addConsoleMessage(MessageSource, MessageLevel, const String&, unsigned long) final;
EventTarget* errorEventTarget() final { return this; }
#if ENABLE(WEB_CRYPTO)
bool wrapCryptoKey(const Vector<uint8_t>&, Vector<uint8_t>&) final { RELEASE_ASSERT_NOT_REACHED(); return false; }
bool unwrapCryptoKey(const Vector<uint8_t>&, Vector<uint8_t>&) final { RELEASE_ASSERT_NOT_REACHED(); return false; }
#endif
URL completeURL(const String&, ForceUTF8 = ForceUTF8::No) const final;
String userAgent(const URL&) const final;
const Settings::Values& settingsValues() const final { return m_settingsValues; }
WeakPtr<Document, WeakPtrImplWithEventTargetData> m_document;
Ref<SecurityOrigin> m_topOrigin;
URL m_url;
JSC::RuntimeFlags m_jsRuntimeFlags;
std::optional<ScriptSourceCode> m_code;
std::unique_ptr<WorkerMessagePortChannelProvider> m_messagePortChannelProvider;
Settings::Values m_settingsValues;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::WorkletGlobalScope)
static bool isType(const WebCore::ScriptExecutionContext& context) { return context.isWorkletGlobalScope(); }
SPECIALIZE_TYPE_TRAITS_END()
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