зеркало из https://github.com/mozilla/gecko-dev.git
596 строки
16 KiB
C++
596 строки
16 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WorkerScope.h"
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#include "jsapi.h"
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#include "mozilla/EventListenerManager.h"
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#include "mozilla/dom/Console.h"
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#include "mozilla/dom/DedicatedWorkerGlobalScopeBinding.h"
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#include "mozilla/dom/Fetch.h"
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#include "mozilla/dom/FunctionBinding.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/ServiceWorkerGlobalScopeBinding.h"
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#include "mozilla/dom/SharedWorkerGlobalScopeBinding.h"
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#include "mozilla/Services.h"
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#include "nsServiceManagerUtils.h"
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#include "nsIDocument.h"
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#include "nsIServiceWorkerManager.h"
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#ifdef ANDROID
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#include <android/log.h>
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#endif
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#include "Location.h"
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#include "Navigator.h"
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#include "Principal.h"
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#include "RuntimeService.h"
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#include "ScriptLoader.h"
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#include "WorkerPrivate.h"
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#include "WorkerRunnable.h"
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#include "Performance.h"
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#include "ServiceWorkerClients.h"
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#define UNWRAP_WORKER_OBJECT(Interface, obj, value) \
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UnwrapObject<prototypes::id::Interface##_workers, \
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mozilla::dom::Interface##Binding_workers::NativeType>(obj, value)
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using namespace mozilla;
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using namespace mozilla::dom;
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USING_WORKERS_NAMESPACE
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BEGIN_WORKERS_NAMESPACE
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WorkerGlobalScope::WorkerGlobalScope(WorkerPrivate* aWorkerPrivate)
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: mWorkerPrivate(aWorkerPrivate)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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}
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WorkerGlobalScope::~WorkerGlobalScope()
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(WorkerGlobalScope)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(WorkerGlobalScope,
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DOMEventTargetHelper)
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tmp->mWorkerPrivate->AssertIsOnWorkerThread();
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mConsole)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPerformance)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mLocation)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mNavigator)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(WorkerGlobalScope,
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DOMEventTargetHelper)
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tmp->mWorkerPrivate->AssertIsOnWorkerThread();
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mConsole)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mPerformance)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mLocation)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mNavigator)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(WorkerGlobalScope,
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DOMEventTargetHelper)
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tmp->mWorkerPrivate->AssertIsOnWorkerThread();
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tmp->mWorkerPrivate->TraceTimeouts(aCallbacks, aClosure);
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_ADDREF_INHERITED(WorkerGlobalScope, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(WorkerGlobalScope, DOMEventTargetHelper)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WorkerGlobalScope)
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NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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JSObject*
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WorkerGlobalScope::WrapObject(JSContext* aCx)
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{
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MOZ_CRASH("We should never get here!");
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}
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Console*
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WorkerGlobalScope::GetConsole()
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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if (!mConsole) {
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mConsole = new Console(nullptr);
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}
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return mConsole;
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}
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already_AddRefed<WorkerLocation>
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WorkerGlobalScope::Location()
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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if (!mLocation) {
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WorkerPrivate::LocationInfo& info = mWorkerPrivate->GetLocationInfo();
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mLocation = WorkerLocation::Create(info);
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MOZ_ASSERT(mLocation);
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}
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nsRefPtr<WorkerLocation> location = mLocation;
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return location.forget();
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}
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already_AddRefed<WorkerNavigator>
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WorkerGlobalScope::Navigator()
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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if (!mNavigator) {
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mNavigator = WorkerNavigator::Create(mWorkerPrivate->OnLine());
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MOZ_ASSERT(mNavigator);
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}
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nsRefPtr<WorkerNavigator> navigator = mNavigator;
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return navigator.forget();
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}
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already_AddRefed<WorkerNavigator>
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WorkerGlobalScope::GetExistingNavigator() const
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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nsRefPtr<WorkerNavigator> navigator = mNavigator;
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return navigator.forget();
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}
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void
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WorkerGlobalScope::Close(JSContext* aCx)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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mWorkerPrivate->CloseInternal(aCx);
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}
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OnErrorEventHandlerNonNull*
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WorkerGlobalScope::GetOnerror()
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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EventListenerManager* elm = GetExistingListenerManager();
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return elm ? elm->GetOnErrorEventHandler() : nullptr;
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}
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void
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WorkerGlobalScope::SetOnerror(OnErrorEventHandlerNonNull* aHandler)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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EventListenerManager* elm = GetOrCreateListenerManager();
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if (elm) {
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elm->SetEventHandler(aHandler);
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}
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}
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void
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WorkerGlobalScope::ImportScripts(JSContext* aCx,
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const Sequence<nsString>& aScriptURLs,
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ErrorResult& aRv)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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scriptloader::Load(aCx, mWorkerPrivate, aScriptURLs, aRv);
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}
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int32_t
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WorkerGlobalScope::SetTimeout(JSContext* aCx,
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Function& aHandler,
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const int32_t aTimeout,
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const Sequence<JS::Value>& aArguments,
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ErrorResult& aRv)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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return mWorkerPrivate->SetTimeout(aCx, &aHandler, EmptyString(), aTimeout,
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aArguments, false, aRv);
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}
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int32_t
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WorkerGlobalScope::SetTimeout(JSContext* /* unused */,
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const nsAString& aHandler,
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const int32_t aTimeout,
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const Sequence<JS::Value>& /* unused */,
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ErrorResult& aRv)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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Sequence<JS::Value> dummy;
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return mWorkerPrivate->SetTimeout(GetCurrentThreadJSContext(), nullptr,
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aHandler, aTimeout, dummy, false, aRv);
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}
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void
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WorkerGlobalScope::ClearTimeout(int32_t aHandle, ErrorResult& aRv)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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mWorkerPrivate->ClearTimeout(aHandle);
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}
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int32_t
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WorkerGlobalScope::SetInterval(JSContext* aCx,
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Function& aHandler,
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const Optional<int32_t>& aTimeout,
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const Sequence<JS::Value>& aArguments,
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ErrorResult& aRv)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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int32_t timeout = aTimeout.WasPassed() ? aTimeout.Value() : 0;
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return mWorkerPrivate->SetTimeout(aCx, &aHandler, EmptyString(), timeout,
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aArguments, !!timeout, aRv);
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}
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int32_t
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WorkerGlobalScope::SetInterval(JSContext* /* unused */,
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const nsAString& aHandler,
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const Optional<int32_t>& aTimeout,
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const Sequence<JS::Value>& /* unused */,
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ErrorResult& aRv)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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Sequence<JS::Value> dummy;
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int32_t timeout = aTimeout.WasPassed() ? aTimeout.Value() : 0;
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return mWorkerPrivate->SetTimeout(GetCurrentThreadJSContext(), nullptr,
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aHandler, timeout, dummy, !!timeout, aRv);
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}
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void
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WorkerGlobalScope::ClearInterval(int32_t aHandle, ErrorResult& aRv)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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mWorkerPrivate->ClearTimeout(aHandle);
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}
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void
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WorkerGlobalScope::Atob(const nsAString& aAtob, nsAString& aOutput, ErrorResult& aRv) const
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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aRv = nsContentUtils::Atob(aAtob, aOutput);
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}
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void
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WorkerGlobalScope::Btoa(const nsAString& aBtoa, nsAString& aOutput, ErrorResult& aRv) const
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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aRv = nsContentUtils::Btoa(aBtoa, aOutput);
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}
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void
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WorkerGlobalScope::Dump(const Optional<nsAString>& aString) const
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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if (!aString.WasPassed()) {
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return;
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}
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if (!mWorkerPrivate->DumpEnabled()) {
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return;
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}
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NS_ConvertUTF16toUTF8 str(aString.Value());
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#ifdef ANDROID
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__android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", str.get());
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#endif
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fputs(str.get(), stdout);
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fflush(stdout);
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}
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Performance*
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WorkerGlobalScope::GetPerformance()
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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if (!mPerformance) {
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mPerformance = new Performance(mWorkerPrivate);
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}
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return mPerformance;
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}
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already_AddRefed<Promise>
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WorkerGlobalScope::Fetch(const RequestOrUSVString& aInput,
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const RequestInit& aInit, ErrorResult& aRv)
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{
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return FetchRequest(this, aInput, aInit, aRv);
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}
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DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope(WorkerPrivate* aWorkerPrivate)
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: WorkerGlobalScope(aWorkerPrivate)
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{
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}
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JSObject*
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DedicatedWorkerGlobalScope::WrapGlobalObject(JSContext* aCx)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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MOZ_ASSERT(!mWorkerPrivate->IsSharedWorker());
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JS::CompartmentOptions options;
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mWorkerPrivate->CopyJSCompartmentOptions(options);
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return DedicatedWorkerGlobalScopeBinding_workers::Wrap(aCx, this, this,
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options,
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GetWorkerPrincipal(),
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true);
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}
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void
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DedicatedWorkerGlobalScope::PostMessage(JSContext* aCx,
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JS::Handle<JS::Value> aMessage,
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const Optional<Sequence<JS::Value>>& aTransferable,
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ErrorResult& aRv)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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mWorkerPrivate->PostMessageToParent(aCx, aMessage, aTransferable, aRv);
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}
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SharedWorkerGlobalScope::SharedWorkerGlobalScope(WorkerPrivate* aWorkerPrivate,
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const nsCString& aName)
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: WorkerGlobalScope(aWorkerPrivate), mName(aName)
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{
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}
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JSObject*
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SharedWorkerGlobalScope::WrapGlobalObject(JSContext* aCx)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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MOZ_ASSERT(mWorkerPrivate->IsSharedWorker());
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JS::CompartmentOptions options;
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mWorkerPrivate->CopyJSCompartmentOptions(options);
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return SharedWorkerGlobalScopeBinding_workers::Wrap(aCx, this, this, options,
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GetWorkerPrincipal(),
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true);
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}
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NS_IMPL_CYCLE_COLLECTION_INHERITED(ServiceWorkerGlobalScope, WorkerGlobalScope,
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mClients)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ServiceWorkerGlobalScope)
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NS_INTERFACE_MAP_END_INHERITING(WorkerGlobalScope)
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NS_IMPL_ADDREF_INHERITED(ServiceWorkerGlobalScope, WorkerGlobalScope)
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NS_IMPL_RELEASE_INHERITED(ServiceWorkerGlobalScope, WorkerGlobalScope)
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ServiceWorkerGlobalScope::ServiceWorkerGlobalScope(WorkerPrivate* aWorkerPrivate,
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const nsACString& aScope)
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: WorkerGlobalScope(aWorkerPrivate),
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mScope(NS_ConvertUTF8toUTF16(aScope))
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{
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}
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ServiceWorkerGlobalScope::~ServiceWorkerGlobalScope()
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{
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}
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JSObject*
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ServiceWorkerGlobalScope::WrapGlobalObject(JSContext* aCx)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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MOZ_ASSERT(mWorkerPrivate->IsServiceWorker());
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JS::CompartmentOptions options;
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mWorkerPrivate->CopyJSCompartmentOptions(options);
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return ServiceWorkerGlobalScopeBinding_workers::Wrap(aCx, this, this, options,
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GetWorkerPrincipal(),
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true);
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}
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ServiceWorkerClients*
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ServiceWorkerGlobalScope::Clients()
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{
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if (!mClients) {
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mClients = new ServiceWorkerClients(this);
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}
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return mClients;
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}
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bool
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GetterOnlyJSNative(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
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{
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JS_ReportErrorNumber(aCx, js_GetErrorMessage, nullptr, JSMSG_GETTER_ONLY);
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return false;
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}
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namespace {
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class UnregisterRunnable;
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class UnregisterResultRunnable MOZ_FINAL : public WorkerRunnable
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{
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public:
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enum State { Succeeded, Failed };
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UnregisterResultRunnable(WorkerPrivate* aWorkerPrivate,
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UnregisterRunnable* aRunnable,
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State aState, bool aValue)
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: WorkerRunnable(aWorkerPrivate,
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WorkerThreadUnchangedBusyCount)
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, mRunnable(aRunnable), mState(aState), mValue(aValue)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mRunnable);
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}
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virtual bool
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WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) MOZ_OVERRIDE;
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private:
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nsRefPtr<UnregisterRunnable> mRunnable;
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State mState;
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bool mValue;
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};
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class UnregisterRunnable MOZ_FINAL : public nsRunnable
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, public nsIServiceWorkerUnregisterCallback
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, public WorkerFeature
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{
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WorkerPrivate* mWorkerPrivate;
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nsRefPtr<Promise> mWorkerPromise;
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nsString mScope;
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bool mCleanedUp;
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public:
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NS_DECL_ISUPPORTS_INHERITED
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UnregisterRunnable(WorkerPrivate* aWorkerPrivate,
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Promise* aWorkerPromise,
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const nsAString& aScope)
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: mWorkerPrivate(aWorkerPrivate)
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, mWorkerPromise(aWorkerPromise)
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, mScope(aScope)
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, mCleanedUp(false)
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{
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MOZ_ASSERT(aWorkerPrivate);
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aWorkerPrivate->AssertIsOnWorkerThread();
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MOZ_ASSERT(aWorkerPromise);
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if (!mWorkerPrivate->AddFeature(mWorkerPrivate->GetJSContext(), this)) {
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MOZ_ASSERT(false, "cannot add the worker feature!");
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mCleanedUp = true;
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return;
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}
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}
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Promise*
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WorkerPromise() const
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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return mWorkerPromise;
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}
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NS_IMETHODIMP
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UnregisterSucceeded(bool aState) MOZ_OVERRIDE
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{
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AssertIsOnMainThread();
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nsRefPtr<UnregisterResultRunnable> runnable =
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new UnregisterResultRunnable(mWorkerPrivate, this,
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UnregisterResultRunnable::Succeeded, aState);
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runnable->Dispatch(nullptr);
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return NS_OK;
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}
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NS_IMETHODIMP
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UnregisterFailed() MOZ_OVERRIDE
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{
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AssertIsOnMainThread();
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nsRefPtr<UnregisterResultRunnable> runnable =
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new UnregisterResultRunnable(mWorkerPrivate, this,
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UnregisterResultRunnable::Failed, false);
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runnable->Dispatch(nullptr);
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return NS_OK;
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}
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void
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CleanUp(JSContext* aCx)
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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if (mCleanedUp) {
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return;
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}
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mWorkerPrivate->RemoveFeature(aCx, this);
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mCleanedUp = true;
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}
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private:
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~UnregisterRunnable()
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{
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MOZ_ASSERT(mCleanedUp);
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}
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NS_IMETHODIMP
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Run() MOZ_OVERRIDE
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{
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AssertIsOnMainThread();
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nsresult rv;
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nsCOMPtr<nsIServiceWorkerManager> swm =
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do_GetService(SERVICEWORKERMANAGER_CONTRACTID, &rv);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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UnregisterFailed();
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return NS_OK;
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}
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// We don't need to check if the principal can load this mScope because a
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// ServiceWorkerGlobalScope can always unregister itself.
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rv = swm->Unregister(this, mScope);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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UnregisterFailed();
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return NS_OK;
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}
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return NS_OK;
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}
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virtual bool Notify(JSContext* aCx, workers::Status aStatus) MOZ_OVERRIDE
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{
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mWorkerPrivate->AssertIsOnWorkerThread();
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MOZ_ASSERT(aStatus > workers::Running);
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mCleanedUp = true;
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return true;
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}
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};
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NS_IMPL_ISUPPORTS_INHERITED(UnregisterRunnable, nsRunnable,
|
|
nsIServiceWorkerUnregisterCallback)
|
|
|
|
bool
|
|
UnregisterResultRunnable::WorkerRun(JSContext* aCx,
|
|
WorkerPrivate* aWorkerPrivate)
|
|
{
|
|
if (mState == Failed) {
|
|
mRunnable->WorkerPromise()->MaybeReject(aCx, JS::UndefinedHandleValue);
|
|
mRunnable->CleanUp(aCx);
|
|
return true;
|
|
}
|
|
|
|
mRunnable->WorkerPromise()->MaybeResolve(mValue);
|
|
mRunnable->CleanUp(aCx);
|
|
return true;
|
|
}
|
|
|
|
} // anonymous namespace
|
|
|
|
already_AddRefed<Promise>
|
|
ServiceWorkerGlobalScope::Unregister(ErrorResult& aRv)
|
|
{
|
|
mWorkerPrivate->AssertIsOnWorkerThread();
|
|
MOZ_ASSERT(mWorkerPrivate->IsServiceWorker());
|
|
|
|
nsRefPtr<Promise> promise = Promise::Create(this, aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsRefPtr<UnregisterRunnable> runnable =
|
|
new UnregisterRunnable(mWorkerPrivate, promise, mScope);
|
|
NS_DispatchToMainThread(runnable);
|
|
|
|
return promise.forget();
|
|
}
|
|
|
|
END_WORKERS_NAMESPACE
|