| /* |
| * Copyright (C) 2008, 2009 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. |
| * |
| */ |
| |
| #ifndef WorkerGlobalScope_h |
| #define WorkerGlobalScope_h |
| |
| #include "bindings/core/v8/V8CacheOptions.h" |
| #include "bindings/core/v8/WorkerOrWorkletScriptController.h" |
| #include "core/CoreExport.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "core/events/EventListener.h" |
| #include "core/events/EventTarget.h" |
| #include "core/fetch/CachedMetadataHandler.h" |
| #include "core/frame/DOMTimerCoordinator.h" |
| #include "core/frame/DOMWindowBase64.h" |
| #include "core/frame/UseCounter.h" |
| #include "core/frame/csp/ContentSecurityPolicy.h" |
| #include "core/workers/WorkerEventQueue.h" |
| #include "core/workers/WorkerOrWorkletGlobalScope.h" |
| #include "core/workers/WorkerSettings.h" |
| #include "platform/heap/Handle.h" |
| #include "wtf/ListHashSet.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class ConsoleMessage; |
| class ConsoleMessageStorage; |
| class ExceptionState; |
| class V8AbstractEventListener; |
| class WorkerClients; |
| class WorkerInspectorController; |
| class WorkerLocation; |
| class WorkerNavigator; |
| class WorkerThread; |
| |
| class CORE_EXPORT WorkerGlobalScope : public EventTargetWithInlineData, public SecurityContext, public WorkerOrWorkletGlobalScope, public Supplementable<WorkerGlobalScope>, public DOMWindowBase64 { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(WorkerGlobalScope); |
| public: |
| using SecurityContext::getSecurityOrigin; |
| using SecurityContext::contentSecurityPolicy; |
| |
| ~WorkerGlobalScope() override; |
| |
| virtual void scriptLoaded(size_t scriptSize, size_t cachedMetadataSize) {} |
| virtual void didEvaluateWorkerScript() {} |
| virtual void countFeature(UseCounter::Feature) const; |
| virtual void countDeprecation(UseCounter::Feature) const; |
| |
| // Returns null if caching is not supported. |
| virtual CachedMetadataHandler* createWorkerScriptCachedMetadataHandler(const KURL& scriptURL, const Vector<char>* metaData) { return nullptr; } |
| |
| KURL completeURL(const String&) const; |
| void dispose(); |
| void exceptionUnhandled(const String& errorMessage, std::unique_ptr<SourceLocation>); |
| |
| void registerEventListener(V8AbstractEventListener*); |
| void deregisterEventListener(V8AbstractEventListener*); |
| |
| // WorkerGlobalScope |
| WorkerGlobalScope* self() { return this; } |
| WorkerLocation* location() const; |
| WorkerNavigator* navigator() const; |
| void close(); |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(error); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(rejectionhandled); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(unhandledrejection); |
| |
| // WorkerUtils |
| virtual void importScripts(const Vector<String>& urls, ExceptionState&); |
| |
| // ScriptWrappable |
| v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationContext) final; |
| v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) final; |
| |
| // ExecutionContext |
| bool isWorkerGlobalScope() const final { return true; } |
| bool isJSExecutionForbidden() const final; |
| bool isContextThread() const final; |
| void disableEval(const String& errorMessage) final; |
| String userAgent() const final { return m_userAgent; } |
| void postTask(const WebTraceLocation&, std::unique_ptr<ExecutionContextTask>, const String& taskNameForInstrumentation) final; |
| DOMTimerCoordinator* timers() final { return &m_timers; } |
| SecurityContext& securityContext() final { return *this; } |
| void addConsoleMessage(ConsoleMessage*) final; |
| WorkerEventQueue* getEventQueue() const final; |
| bool isSecureContext(String& errorMessage, const SecureContextCheck = StandardSecureContextCheck) const override; |
| |
| // EventTarget |
| ExecutionContext* getExecutionContext() const final; |
| |
| // WorkerOrWorkletGlobalScope |
| ScriptWrappable* getScriptWrappable() const final |
| { |
| return const_cast<WorkerGlobalScope*>(this); |
| } |
| |
| // Returns true when the WorkerGlobalScope is closing (e.g. via close() |
| // method). If this returns true, the worker is going to be shutdown after |
| // the current task execution. Workers that don't support close operation |
| // should always return false. |
| bool isClosing() const { return m_closing; } |
| |
| const KURL& url() const { return m_url; } |
| WorkerThread* thread() const { return m_thread; } |
| double timeOrigin() const { return m_timeOrigin; } |
| WorkerSettings* workerSettings() const { return m_workerSettings.get(); } |
| |
| WorkerOrWorkletScriptController* scriptController() final { return m_scriptController.get(); } |
| WorkerInspectorController* workerInspectorController() { return m_workerInspectorController.get(); } |
| WorkerClients* clients() { return m_workerClients.get(); } |
| ConsoleMessageStorage* consoleMessageStorage() { return m_consoleMessageStorage.get(); } |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| protected: |
| WorkerGlobalScope(const KURL&, const String& userAgent, WorkerThread*, double timeOrigin, std::unique_ptr<SecurityOrigin::PrivilegeData>, WorkerClients*); |
| void setWorkerSettings(std::unique_ptr<WorkerSettings>); |
| void applyContentSecurityPolicyFromVector(const Vector<CSPHeaderAndType>& headers); |
| |
| void addMessageToWorkerConsole(ConsoleMessage*); |
| void setV8CacheOptions(V8CacheOptions v8CacheOptions) { m_v8CacheOptions = v8CacheOptions; } |
| |
| // ExecutionContext |
| void exceptionThrown(const String& errorMessage, std::unique_ptr<SourceLocation>) override; |
| void removeURLFromMemoryCache(const KURL&) final; |
| |
| private: |
| // ExecutionContext |
| EventTarget* errorEventTarget() final { return this; } |
| const KURL& virtualURL() const final { return m_url; } |
| KURL virtualCompleteURL(const String&) const final; |
| |
| // SecurityContext |
| void didUpdateSecurityOrigin() final {} |
| |
| void clearScript(); |
| void clearInspector(); |
| |
| const KURL m_url; |
| const String m_userAgent; |
| V8CacheOptions m_v8CacheOptions; |
| std::unique_ptr<WorkerSettings> m_workerSettings; |
| |
| mutable Member<WorkerLocation> m_location; |
| mutable Member<WorkerNavigator> m_navigator; |
| |
| mutable UseCounter::CountBits m_deprecationWarningBits; |
| |
| Member<WorkerOrWorkletScriptController> m_scriptController; |
| WorkerThread* m_thread; |
| |
| Member<WorkerInspectorController> m_workerInspectorController; |
| bool m_closing; |
| |
| Member<WorkerEventQueue> m_eventQueue; |
| |
| Member<WorkerClients> m_workerClients; |
| |
| DOMTimerCoordinator m_timers; |
| |
| const double m_timeOrigin; |
| |
| Member<ConsoleMessageStorage> m_consoleMessageStorage; |
| |
| HeapListHashSet<Member<V8AbstractEventListener>> m_eventListeners; |
| }; |
| |
| DEFINE_TYPE_CASTS(WorkerGlobalScope, ExecutionContext, context, context->isWorkerGlobalScope(), context.isWorkerGlobalScope()); |
| |
| } // namespace blink |
| |
| #endif // WorkerGlobalScope_h |