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https://github.com/classilla/tenfourfox.git
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84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_DataStoreDB_h
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#define mozilla_dom_DataStoreDB_h
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#include "mozilla/dom/IDBTransactionBinding.h"
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#include "nsAutoPtr.h"
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#include "nsIDOMEventListener.h"
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#include "nsISupportsImpl.h"
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#include "nsString.h"
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#define DATASTOREDB_REVISION "revision"
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namespace mozilla {
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namespace dom {
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namespace indexedDB {
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class IDBDatabase;
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class IDBFactory;
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class IDBOpenDBRequest;
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class IDBTransaction;
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} // namespace indexedDB
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class DataStoreDBCallback;
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class DataStoreDB final : public nsIDOMEventListener
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{
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public:
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NS_DECL_ISUPPORTS
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DataStoreDB(const nsAString& aManifestURL, const nsAString& aName);
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nsresult Open(IDBTransactionMode aMode, const Sequence<nsString>& aDb,
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DataStoreDBCallback* aCallback);
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nsresult Delete();
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indexedDB::IDBTransaction* Transaction() const;
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// nsIDOMEventListener
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) override;
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private:
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~DataStoreDB();
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nsresult CreateFactoryIfNeeded();
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nsresult UpgradeSchema(nsIDOMEvent* aEvent);
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nsresult DatabaseOpened();
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nsresult AddEventListeners();
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nsresult RemoveEventListeners();
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nsString mDatabaseName;
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RefPtr<indexedDB::IDBFactory> mFactory;
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RefPtr<indexedDB::IDBOpenDBRequest> mRequest;
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RefPtr<indexedDB::IDBDatabase> mDatabase;
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RefPtr<indexedDB::IDBTransaction> mTransaction;
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RefPtr<DataStoreDBCallback> mCallback;
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// Internal state to avoid strange use of this class.
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enum StateType {
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Inactive,
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Active
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} mState;
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IDBTransactionMode mTransactionMode;
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Sequence<nsString> mObjectStores;
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bool mCreatedSchema;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_DataStoreDB_h
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