161 lines
5.2 KiB
C++
161 lines
5.2 KiB
C++
/*
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* Copyright (C) 2008-2021 Apple Inc. All Rights Reserved.
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* Copyright (C) 2009, 2011 Google Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "config.h"
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#include "WindowOrWorkerGlobalScopeIndexedDatabase.h"
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#include "DOMWindow.h"
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#include "DOMWindowProperty.h"
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#include "Document.h"
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#include "IDBConnectionProxy.h"
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#include "IDBFactory.h"
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#include "Page.h"
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#include "Supplementable.h"
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#include "WorkerGlobalScope.h"
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namespace WebCore {
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class DOMWindowIndexedDatabase : public DOMWindowProperty, public Supplement<DOMWindow> {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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explicit DOMWindowIndexedDatabase(DOMWindow&);
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virtual ~DOMWindowIndexedDatabase() = default;
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static DOMWindowIndexedDatabase* from(DOMWindow&);
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IDBFactory* indexedDB();
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private:
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static const char* supplementName() { return "DOMWindowIndexedDatabase"; }
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RefPtr<IDBFactory> m_idbFactory;
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};
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class WorkerGlobalScopeIndexedDatabase : public Supplement<WorkerGlobalScope> {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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explicit WorkerGlobalScopeIndexedDatabase(IDBClient::IDBConnectionProxy&);
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virtual ~WorkerGlobalScopeIndexedDatabase() = default;
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static WorkerGlobalScopeIndexedDatabase* from(WorkerGlobalScope&);
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IDBFactory* indexedDB();
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private:
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static const char* supplementName() { return "WorkerGlobalScopeIndexedDatabase"; }
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RefPtr<IDBFactory> m_idbFactory;
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Ref<IDBClient::IDBConnectionProxy> m_connectionProxy;
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};
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// DOMWindowIndexedDatabase supplement.
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DOMWindowIndexedDatabase::DOMWindowIndexedDatabase(DOMWindow& window)
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: DOMWindowProperty(&window)
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{
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}
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DOMWindowIndexedDatabase* DOMWindowIndexedDatabase::from(DOMWindow& window)
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{
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auto* supplement = static_cast<DOMWindowIndexedDatabase*>(Supplement<DOMWindow>::from(&window, supplementName()));
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if (!supplement) {
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auto newSupplement = makeUnique<DOMWindowIndexedDatabase>(window);
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supplement = newSupplement.get();
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provideTo(&window, supplementName(), WTFMove(newSupplement));
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}
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return supplement;
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}
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IDBFactory* DOMWindowIndexedDatabase::indexedDB()
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{
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auto* window = this->window();
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if (!window)
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return nullptr;
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auto* document = window->document();
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if (!document)
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return nullptr;
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auto* page = document->page();
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if (!page)
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return nullptr;
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if (!window->isCurrentlyDisplayedInFrame())
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return nullptr;
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if (!m_idbFactory) {
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auto* connectionProxy = document->idbConnectionProxy();
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if (!connectionProxy)
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return nullptr;
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m_idbFactory = IDBFactory::create(*connectionProxy);
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}
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return m_idbFactory.get();
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}
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// WorkerGlobalScope supplement.
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WorkerGlobalScopeIndexedDatabase::WorkerGlobalScopeIndexedDatabase(IDBClient::IDBConnectionProxy& connectionProxy)
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: m_connectionProxy(connectionProxy)
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{
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}
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WorkerGlobalScopeIndexedDatabase* WorkerGlobalScopeIndexedDatabase::from(WorkerGlobalScope& scope)
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{
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auto* supplement = static_cast<WorkerGlobalScopeIndexedDatabase*>(Supplement<WorkerGlobalScope>::from(&scope, supplementName()));
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if (!supplement) {
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auto* connectionProxy = scope.idbConnectionProxy();
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if (!connectionProxy)
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return nullptr;
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auto newSupplement = makeUnique<WorkerGlobalScopeIndexedDatabase>(*connectionProxy);
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supplement = newSupplement.get();
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provideTo(&scope, supplementName(), WTFMove(newSupplement));
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}
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return supplement;
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}
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IDBFactory* WorkerGlobalScopeIndexedDatabase::indexedDB()
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{
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if (!m_idbFactory)
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m_idbFactory = IDBFactory::create(m_connectionProxy.get());
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return m_idbFactory.get();
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}
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IDBFactory* WindowOrWorkerGlobalScopeIndexedDatabase::indexedDB(WorkerGlobalScope& scope)
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{
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auto* scopeIDB = WorkerGlobalScopeIndexedDatabase::from(scope);
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return scopeIDB ? scopeIDB->indexedDB() : nullptr;
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}
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IDBFactory* WindowOrWorkerGlobalScopeIndexedDatabase::indexedDB(DOMWindow& window)
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{
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return DOMWindowIndexedDatabase::from(window)->indexedDB();
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}
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} // namespace WebCore
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