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/*
* Copyright (C) 2013 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef ServiceWorkerGlobalScope_h
#define ServiceWorkerGlobalScope_h
#include "bindings/modules/v8/RequestOrUSVString.h"
#include "core/workers/WorkerGlobalScope.h"
#include "modules/ModulesExport.h"
#include "platform/heap/Handle.h"
#include "public/platform/modules/serviceworker/WebServiceWorkerRegistration.h"
#include "wtf/Assertions.h"
#include "wtf/Forward.h"
#include <memory>
namespace blink {
class Dictionary;
class ScriptPromise;
class ScriptState;
class ServiceWorkerClients;
class ServiceWorkerRegistration;
class ServiceWorkerThread;
class WaitUntilObserver;
class WorkerThreadStartupData;
typedef RequestOrUSVString RequestInfo;
class MODULES_EXPORT ServiceWorkerGlobalScope final : public WorkerGlobalScope {
DEFINE_WRAPPERTYPEINFO();
public:
static ServiceWorkerGlobalScope* create(
ServiceWorkerThread*,
std::unique_ptr<WorkerThreadStartupData>);
~ServiceWorkerGlobalScope() override;
bool isServiceWorkerGlobalScope() const override { return true; }
// Counts an evaluated script and its size. Called for each of the main
// worker script and imported scripts.
void countScript(size_t scriptSize, size_t cachedMetadataSize);
// Called when the main worker script is evaluated.
void didEvaluateWorkerScript();
// ServiceWorkerGlobalScope.idl
ServiceWorkerClients* clients();
ServiceWorkerRegistration* registration();
ScriptPromise fetch(ScriptState*,
const RequestInfo&,
const Dictionary&,
ExceptionState&);
ScriptPromise skipWaiting(ScriptState*);
void setRegistration(std::unique_ptr<WebServiceWorkerRegistration::Handle>);
// EventTarget
const AtomicString& interfaceName() const override;
void dispatchExtendableEvent(Event*, WaitUntilObserver*);
DEFINE_ATTRIBUTE_EVENT_LISTENER(install);
DEFINE_ATTRIBUTE_EVENT_LISTENER(activate);
DEFINE_ATTRIBUTE_EVENT_LISTENER(fetch);
DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
DEFINE_ATTRIBUTE_EVENT_LISTENER(foreignfetch);
DECLARE_VIRTUAL_TRACE();
protected:
// EventTarget
DispatchEventResult dispatchEventInternal(Event*) override;
bool addEventListenerInternal(
const AtomicString& eventType,
EventListener*,
const AddEventListenerOptionsResolved&) override;
private:
ServiceWorkerGlobalScope(const KURL&,
const String& userAgent,
ServiceWorkerThread*,
double timeOrigin,
std::unique_ptr<SecurityOrigin::PrivilegeData>,
WorkerClients*);
void importScripts(const Vector<String>& urls, ExceptionState&) override;
CachedMetadataHandler* createWorkerScriptCachedMetadataHandler(
const KURL& scriptURL,
const Vector<char>* metaData) override;
void exceptionThrown(ErrorEvent*) override;
Member<ServiceWorkerClients> m_clients;
Member<ServiceWorkerRegistration> m_registration;
bool m_didEvaluateScript;
bool m_hadErrorInTopLevelEventHandler;
unsigned m_eventNestingLevel;
size_t m_scriptCount;
size_t m_scriptTotalSize;
size_t m_scriptCachedMetadataTotalSize;
};
DEFINE_TYPE_CASTS(ServiceWorkerGlobalScope,
ExecutionContext,
context,
context->isServiceWorkerGlobalScope(),
context.isServiceWorkerGlobalScope());
} // namespace blink
#endif // ServiceWorkerGlobalScope_h
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