| /* |
| * 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 <memory> |
| #include "bindings/core/v8/ActiveScriptWrappable.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/frame/DOMTimerCoordinator.h" |
| #include "core/frame/DOMWindowBase64.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 "platform/loader/fetch/CachedMetadataHandler.h" |
| #include "platform/wtf/ListHashSet.h" |
| |
| namespace blink { |
| |
| class ConsoleMessage; |
| class ExceptionState; |
| class V8AbstractEventListener; |
| class WorkerClients; |
| class WorkerFetchContext; |
| class WorkerLocation; |
| class WorkerNavigator; |
| class WorkerThread; |
| |
| class CORE_EXPORT WorkerGlobalScope |
| : public EventTargetWithInlineData, |
| public ActiveScriptWrappable<WorkerGlobalScope>, |
| public SecurityContext, |
| public WorkerOrWorkletGlobalScope, |
| public Supplementable<WorkerGlobalScope>, |
| public DOMWindowBase64 { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(WorkerGlobalScope); |
| |
| public: |
| using SecurityContext::GetSecurityOrigin; |
| using SecurityContext::GetContentSecurityPolicy; |
| |
| ~WorkerGlobalScope() override; |
| |
| // Returns null if caching is not supported. |
| virtual CachedMetadataHandler* CreateWorkerScriptCachedMetadataHandler( |
| const KURL& script_url, |
| const Vector<char>* meta_data) { |
| return nullptr; |
| } |
| |
| KURL CompleteURL(const String&) const; |
| |
| // WorkerOrWorkletGlobalScope |
| bool IsClosing() const final { return closing_; } |
| virtual void Dispose(); |
| void CountFeature(UseCounter::Feature) final; |
| void CountDeprecation(UseCounter::Feature) final; |
| WorkerThread* GetThread() const final { return thread_; } |
| |
| void ExceptionUnhandled(int exception_id); |
| |
| void RegisterEventListener(V8AbstractEventListener*); |
| void DeregisterEventListener(V8AbstractEventListener*); |
| |
| // WorkerGlobalScope |
| WorkerGlobalScope* self() { return this; } |
| WorkerLocation* location() const; |
| WorkerNavigator* navigator() const; |
| void close(); |
| bool isSecureContextForBindings() const { |
| return ExecutionContext::IsSecureContext(kStandardSecureContextCheck); |
| } |
| |
| String origin() const; |
| |
| 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> creation_context) final; |
| v8::Local<v8::Object> AssociateWithWrapper( |
| v8::Isolate*, |
| const WrapperTypeInfo*, |
| v8::Local<v8::Object> wrapper) final; |
| |
| // ScriptWrappable |
| bool HasPendingActivity() const override; |
| |
| // ExecutionContext |
| bool IsWorkerGlobalScope() const final { return true; } |
| bool IsJSExecutionForbidden() const final; |
| bool IsContextThread() const final; |
| void DisableEval(const String& error_message) final; |
| String UserAgent() const final { return user_agent_; } |
| |
| DOMTimerCoordinator* Timers() final { return &timers_; } |
| SecurityContext& GetSecurityContext() final { return *this; } |
| void AddConsoleMessage(ConsoleMessage*) final; |
| WorkerEventQueue* GetEventQueue() const final; |
| bool IsSecureContext( |
| String& error_message, |
| const SecureContextCheck = kStandardSecureContextCheck) const override; |
| |
| // EventTarget |
| ExecutionContext* GetExecutionContext() const final; |
| |
| // WorkerOrWorkletGlobalScope |
| ScriptWrappable* GetScriptWrappable() const final { |
| return const_cast<WorkerGlobalScope*>(this); |
| } |
| |
| double TimeOrigin() const { return time_origin_; } |
| WorkerSettings* GetWorkerSettings() const { return worker_settings_.get(); } |
| |
| WorkerOrWorkletScriptController* ScriptController() final { |
| return script_controller_.Get(); |
| } |
| |
| WorkerClients* Clients() const { return worker_clients_.Get(); } |
| |
| // Available only when off-main-thread-fetch is enabled. |
| WorkerFetchContext* GetFetchContext(); |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| protected: |
| WorkerGlobalScope(const KURL&, |
| const String& user_agent, |
| WorkerThread*, |
| double time_origin, |
| std::unique_ptr<SecurityOrigin::PrivilegeData>, |
| WorkerClients*); |
| void SetWorkerSettings(std::unique_ptr<WorkerSettings>); |
| void ApplyContentSecurityPolicyFromVector( |
| const Vector<CSPHeaderAndType>& headers); |
| |
| void SetV8CacheOptions(V8CacheOptions v8_cache_options) { |
| v8_cache_options_ = v8_cache_options; |
| } |
| |
| // ExecutionContext |
| void ExceptionThrown(ErrorEvent*) override; |
| void RemoveURLFromMemoryCache(const KURL&) final; |
| |
| private: |
| // ExecutionContext |
| EventTarget* ErrorEventTarget() final { return this; } |
| const KURL& VirtualURL() const final { return url_; } |
| KURL VirtualCompleteURL(const String&) const final; |
| |
| // SecurityContext |
| void DidUpdateSecurityOrigin() final {} |
| |
| const KURL url_; |
| const String user_agent_; |
| V8CacheOptions v8_cache_options_; |
| std::unique_ptr<WorkerSettings> worker_settings_; |
| |
| mutable Member<WorkerLocation> location_; |
| mutable Member<WorkerNavigator> navigator_; |
| |
| Member<WorkerOrWorkletScriptController> script_controller_; |
| WorkerThread* thread_; |
| |
| bool closing_; |
| |
| Member<WorkerEventQueue> event_queue_; |
| |
| CrossThreadPersistent<WorkerClients> worker_clients_; |
| |
| DOMTimerCoordinator timers_; |
| |
| const double time_origin_; |
| |
| HeapHashSet<Member<V8AbstractEventListener>> event_listeners_; |
| |
| HeapHashMap<int, Member<ErrorEvent>> pending_error_events_; |
| int last_pending_error_event_id_; |
| |
| Member<WorkerFetchContext> fetch_context_; |
| }; |
| |
| DEFINE_TYPE_CASTS(WorkerGlobalScope, |
| ExecutionContext, |
| context, |
| context->IsWorkerGlobalScope(), |
| context.IsWorkerGlobalScope()); |
| |
| } // namespace blink |
| |
| #endif // WorkerGlobalScope_h |