mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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143 lines
3.2 KiB
C++
143 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#ifndef mozilla_dom_indexeddb_indexeddatabasemanager_h__
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#define mozilla_dom_indexeddb_indexeddatabasemanager_h__
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#include "mozilla/dom/indexedDB/IndexedDatabase.h"
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#include "nsIIndexedDatabaseManager.h"
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#include "nsIObserver.h"
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#include "mozilla/Mutex.h"
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#include "nsClassHashtable.h"
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#include "nsHashKeys.h"
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#define INDEXEDDB_MANAGER_CONTRACTID "@mozilla.org/dom/indexeddb/manager;1"
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class nsIAtom;
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class nsPIDOMWindow;
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class nsEventChainPostVisitor;
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namespace mozilla {
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namespace dom {
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class TabContext;
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}
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}
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BEGIN_INDEXEDDB_NAMESPACE
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class FileManager;
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class IndexedDatabaseManager MOZ_FINAL : public nsIIndexedDatabaseManager,
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public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIINDEXEDDATABASEMANAGER
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NS_DECL_NSIOBSERVER
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// Returns a non-owning reference.
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static IndexedDatabaseManager*
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GetOrCreate();
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// Returns a non-owning reference.
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static IndexedDatabaseManager*
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Get();
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// Returns an owning reference! No one should call this but the factory.
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static IndexedDatabaseManager*
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FactoryCreate();
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static bool
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IsClosed();
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static bool
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IsMainProcess()
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#ifdef DEBUG
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;
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#else
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{
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return sIsMainProcess;
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}
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#endif
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static bool
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InLowDiskSpaceMode()
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#ifdef DEBUG
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;
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#else
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{
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return !!sLowDiskSpaceMode;
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}
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#endif
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already_AddRefed<FileManager>
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GetFileManager(const nsACString& aOrigin,
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const nsAString& aDatabaseName);
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void
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AddFileManager(FileManager* aFileManager);
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void
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InvalidateAllFileManagers();
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void
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InvalidateFileManagersForPattern(const nsACString& aPattern);
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void
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InvalidateFileManager(const nsACString& aOrigin,
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const nsAString& aDatabaseName);
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nsresult
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AsyncDeleteFile(FileManager* aFileManager,
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int64_t aFileId);
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static mozilla::Mutex&
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FileMutex()
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{
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IndexedDatabaseManager* mgr = Get();
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NS_ASSERTION(mgr, "Must have a manager here!");
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return mgr->mFileMutex;
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}
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static nsresult
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FireWindowOnError(nsPIDOMWindow* aOwner,
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nsEventChainPostVisitor& aVisitor);
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static bool
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TabContextMayAccessOrigin(const mozilla::dom::TabContext& aContext,
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const nsACString& aOrigin);
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private:
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IndexedDatabaseManager();
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~IndexedDatabaseManager();
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nsresult
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Init();
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void
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Destroy();
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// Maintains a list of all file managers per origin. This list isn't
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// protected by any mutex but it is only ever touched on the IO thread.
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nsClassHashtable<nsCStringHashKey,
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nsTArray<nsRefPtr<FileManager> > > mFileManagers;
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// Lock protecting FileManager.mFileInfos and nsDOMFileBase.mFileInfos
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// It's s also used to atomically update FileInfo.mRefCnt, FileInfo.mDBRefCnt
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// and FileInfo.mSliceRefCnt
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mozilla::Mutex mFileMutex;
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static bool sIsMainProcess;
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static int32_t sLowDiskSpaceMode;
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};
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END_INDEXEDDB_NAMESPACE
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#endif /* mozilla_dom_indexeddb_indexeddatabasemanager_h__ */
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