| /* |
| * 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. |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * |
| * 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 "core/CoreExport.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "core/frame/DOMTimerCoordinator.h" |
| #include "core/frame/DOMWindowBase64.h" |
| #include "core/frame/csp/ContentSecurityPolicy.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" |
| #include "services/network/public/interfaces/fetch_api.mojom-shared.h" |
| #include "services/service_manager/public/cpp/interface_provider.h" |
| #include "services/service_manager/public/interfaces/interface_provider.mojom-blink.h" |
| |
| namespace service_manager { |
| class InterfaceProvider; |
| } |
| |
| namespace blink { |
| |
| class FontFaceSet; |
| class ConsoleMessage; |
| class ExceptionState; |
| class OffscreenFontSelector; |
| class WorkerLocation; |
| class WorkerNavigator; |
| class WorkerThread; |
| struct GlobalScopeCreationParams; |
| |
| class CORE_EXPORT WorkerGlobalScope |
| : public WorkerOrWorkletGlobalScope, |
| public ActiveScriptWrappable<WorkerGlobalScope>, |
| public Supplementable<WorkerGlobalScope>, |
| public DOMWindowBase64 { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(WorkerGlobalScope); |
| |
| public: |
| ~WorkerGlobalScope() override; |
| |
| // Returns null if caching is not supported. |
| virtual CachedMetadataHandler* CreateWorkerScriptCachedMetadataHandler( |
| const KURL& script_url, |
| const Vector<char>* meta_data) { |
| return nullptr; |
| } |
| |
| // WorkerOrWorkletGlobalScope |
| void EvaluateClassicScript( |
| const KURL& script_url, |
| String source_code, |
| std::unique_ptr<Vector<char>> cached_meta_data) override; |
| bool IsClosing() const final { return closing_; } |
| void Dispose() override; |
| WorkerThread* GetThread() const final { return thread_; } |
| |
| void ExceptionUnhandled(int exception_id); |
| |
| // WorkerGlobalScope |
| WorkerGlobalScope* self() { return this; } |
| WorkerLocation* location() const; |
| WorkerNavigator* navigator() const; |
| void close(); |
| bool isSecureContextForBindings() const { |
| return ExecutionContext::IsSecureContext(); |
| } |
| |
| 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&); |
| |
| // ExecutionContext |
| const KURL& Url() const final { return url_; } |
| KURL CompleteURL(const String&) const final; |
| bool IsWorkerGlobalScope() const final { return true; } |
| bool IsContextThread() const final; |
| const KURL& BaseURL() const final { return url_; } |
| String UserAgent() const final { return user_agent_; } |
| |
| DOMTimerCoordinator* Timers() final { return &timers_; } |
| SecurityContext& GetSecurityContext() final { return *this; } |
| void AddConsoleMessage(ConsoleMessage*) final; |
| bool IsSecureContext(String& error_message) const override; |
| service_manager::InterfaceProvider* GetInterfaceProvider() final; |
| |
| OffscreenFontSelector* GetFontSelector() { return font_selector_; } |
| |
| CoreProbeSink* GetProbeSink() final; |
| |
| // EventTarget |
| ExecutionContext* GetExecutionContext() const final; |
| |
| void ImportModuleScript(const KURL& module_url_record, |
| network::mojom::FetchCredentialsMode); |
| |
| double TimeOrigin() const { return time_origin_; } |
| WorkerSettings* GetWorkerSettings() const { return worker_settings_.get(); } |
| |
| void Trace(blink::Visitor*) override; |
| void TraceWrappers(const ScriptWrappableVisitor*) const override; |
| |
| // TODO(fserb): This can be removed once we WorkerGlobalScope implements |
| // FontFaceSource on the IDL. |
| FontFaceSet* fonts(); |
| |
| protected: |
| WorkerGlobalScope(std::unique_ptr<GlobalScopeCreationParams>, |
| WorkerThread*, |
| double time_origin); |
| void ApplyContentSecurityPolicyFromHeaders( |
| const ContentSecurityPolicyResponseHeaders&); |
| |
| // ExecutionContext |
| void ExceptionThrown(ErrorEvent*) override; |
| void RemoveURLFromMemoryCache(const KURL&) final; |
| |
| private: |
| void SetWorkerSettings(std::unique_ptr<WorkerSettings>); |
| |
| // |kNotHandled| is used when the script was not in |
| // InstalledScriptsManager, which means it was not an installed script. |
| enum class LoadResult { kSuccess, kFailed, kNotHandled }; |
| |
| // Tries to load the script synchronously from the |
| // InstalledScriptsManager, which holds scripts that are sent from the browser |
| // upon starting an installed worker. This blocks until the script is |
| // received. If the script load could not be handled by the |
| // InstalledScriptsManager, e.g. when the script was not an installed script, |
| // returns LoadResult::kNotHandled. |
| // TODO(crbug.com/753350): Factor out LoadingScriptFrom* into a new class |
| // which provides the worker's scripts. |
| LoadResult LoadingScriptFromInstalledScriptsManager( |
| const KURL& script_url, |
| KURL* out_response_url, |
| String* out_source_code, |
| std::unique_ptr<Vector<char>>* out_cached_meta_data); |
| // Tries to load the script synchronously from the WorkerScriptLoader, which |
| // requests the script from the browser. This |
| // blocks until the script is received. |
| LoadResult LoadingScriptFromWorkerScriptLoader( |
| const KURL& script_url, |
| KURL* out_response_url, |
| String* out_source_code, |
| std::unique_ptr<Vector<char>>* out_cached_meta_data); |
| |
| // ExecutionContext |
| EventTarget* ErrorEventTarget() final { return this; } |
| |
| const KURL url_; |
| const String user_agent_; |
| const V8CacheOptions v8_cache_options_; |
| std::unique_ptr<WorkerSettings> worker_settings_; |
| |
| mutable Member<WorkerLocation> location_; |
| mutable TraceWrapperMember<WorkerNavigator> navigator_; |
| |
| WorkerThread* thread_; |
| |
| bool closing_ = false; |
| |
| DOMTimerCoordinator timers_; |
| |
| const double time_origin_; |
| |
| HeapHashMap<int, Member<ErrorEvent>> pending_error_events_; |
| int last_pending_error_event_id_ = 0; |
| |
| Member<OffscreenFontSelector> font_selector_; |
| |
| service_manager::InterfaceProvider interface_provider_; |
| }; |
| |
| DEFINE_TYPE_CASTS(WorkerGlobalScope, |
| ExecutionContext, |
| context, |
| context->IsWorkerGlobalScope(), |
| context.IsWorkerGlobalScope()); |
| |
| } // namespace blink |
| |
| #endif // WorkerGlobalScope_h |