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3177670987
This improves performance by keeping snapshots around for some time if there are no changes done by other processes. If a snapshot is not destroyed immediately after getting into the stable state then there's a chance that it won't have to be synchronously created again when a new opeartion is requested.
258 lines
5.6 KiB
C++
258 lines
5.6 KiB
C++
/* -*- 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_localstorage_ActorsChild_h
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#define mozilla_dom_localstorage_ActorsChild_h
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#include "mozilla/dom/PBackgroundLSDatabaseChild.h"
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#include "mozilla/dom/PBackgroundLSObserverChild.h"
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#include "mozilla/dom/PBackgroundLSRequestChild.h"
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#include "mozilla/dom/PBackgroundLSSimpleRequestChild.h"
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#include "mozilla/dom/PBackgroundLSSnapshotChild.h"
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namespace mozilla {
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namespace ipc {
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class BackgroundChildImpl;
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} // namespace ipc
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namespace dom {
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class LocalStorageManager2;
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class LSDatabase;
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class LSObject;
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class LSObserver;
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class LSRequestChildCallback;
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class LSSimpleRequestChildCallback;
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class LSSnapshot;
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class LSDatabaseChild final
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: public PBackgroundLSDatabaseChild
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{
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friend class mozilla::ipc::BackgroundChildImpl;
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friend class LSDatabase;
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friend class LSObject;
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LSDatabase* mDatabase;
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NS_DECL_OWNINGTHREAD
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public:
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void
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AssertIsOnOwningThread() const
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{
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NS_ASSERT_OWNINGTHREAD(LSDatabaseChild);
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}
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private:
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// Only created by LSObject.
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explicit LSDatabaseChild(LSDatabase* aDatabase);
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// Only destroyed by mozilla::ipc::BackgroundChildImpl.
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~LSDatabaseChild();
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void
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SendDeleteMeInternal();
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// IPDL methods are only called by IPDL.
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void
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ActorDestroy(ActorDestroyReason aWhy) override;
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mozilla::ipc::IPCResult
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RecvRequestAllowToClose() override;
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PBackgroundLSSnapshotChild*
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AllocPBackgroundLSSnapshotChild(const nsString& aDocumentURI,
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const bool& aIncreasePeakUsage,
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const int64_t& aRequestedSize,
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const int64_t& aMinSize,
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LSSnapshotInitInfo* aInitInfo) override;
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bool
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DeallocPBackgroundLSSnapshotChild(PBackgroundLSSnapshotChild* aActor)
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override;
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};
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class LSObserverChild final
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: public PBackgroundLSObserverChild
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{
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friend class mozilla::ipc::BackgroundChildImpl;
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friend class LSObserver;
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friend class LSObject;
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LSObserver* mObserver;
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NS_DECL_OWNINGTHREAD
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public:
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void
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AssertIsOnOwningThread() const
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{
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NS_ASSERT_OWNINGTHREAD(LSObserverChild);
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}
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private:
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// Only created by LSObject.
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explicit LSObserverChild(LSObserver* aObserver);
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// Only destroyed by mozilla::ipc::BackgroundChildImpl.
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~LSObserverChild();
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void
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SendDeleteMeInternal();
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// IPDL methods are only called by IPDL.
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void
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ActorDestroy(ActorDestroyReason aWhy) override;
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mozilla::ipc::IPCResult
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RecvObserve(const PrincipalInfo& aPrinciplaInfo,
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const uint32_t& aPrivateBrowsingId,
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const nsString& aDocumentURI,
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const nsString& aKey,
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const nsString& aOldValue,
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const nsString& aNewValue) override;
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};
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class LSRequestChild final
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: public PBackgroundLSRequestChild
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{
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friend class LSObject;
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friend class LocalStorageManager2;
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RefPtr<LSRequestChildCallback> mCallback;
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bool mFinishing;
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NS_DECL_OWNINGTHREAD
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public:
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void
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AssertIsOnOwningThread() const
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{
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NS_ASSERT_OWNINGTHREAD(LSReqeustChild);
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}
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bool
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Finishing() const;
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private:
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// Only created by LSObject.
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explicit LSRequestChild(LSRequestChildCallback* aCallback);
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// Only destroyed by mozilla::ipc::BackgroundChildImpl.
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~LSRequestChild();
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// IPDL methods are only called by IPDL.
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void
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ActorDestroy(ActorDestroyReason aWhy) override;
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mozilla::ipc::IPCResult
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Recv__delete__(const LSRequestResponse& aResponse) override;
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mozilla::ipc::IPCResult
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RecvReady() override;
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};
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class NS_NO_VTABLE LSRequestChildCallback
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{
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public:
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NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
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virtual void
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OnResponse(const LSRequestResponse& aResponse) = 0;
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protected:
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virtual ~LSRequestChildCallback()
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{ }
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};
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class LSSimpleRequestChild final
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: public PBackgroundLSSimpleRequestChild
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{
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friend class LocalStorageManager2;
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RefPtr<LSSimpleRequestChildCallback> mCallback;
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NS_DECL_OWNINGTHREAD
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public:
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void
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AssertIsOnOwningThread() const
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{
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NS_ASSERT_OWNINGTHREAD(LSSimpleReqeustChild);
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}
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private:
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// Only created by LocalStorageManager2.
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explicit LSSimpleRequestChild(LSSimpleRequestChildCallback* aCallback);
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// Only destroyed by mozilla::ipc::BackgroundChildImpl.
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~LSSimpleRequestChild();
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// IPDL methods are only called by IPDL.
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void
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ActorDestroy(ActorDestroyReason aWhy) override;
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mozilla::ipc::IPCResult
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Recv__delete__(const LSSimpleRequestResponse& aResponse) override;
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};
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class NS_NO_VTABLE LSSimpleRequestChildCallback
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{
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public:
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NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
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virtual void
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OnResponse(const LSSimpleRequestResponse& aResponse) = 0;
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protected:
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virtual ~LSSimpleRequestChildCallback()
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{ }
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};
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class LSSnapshotChild final
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: public PBackgroundLSSnapshotChild
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{
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friend class LSDatabase;
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friend class LSSnapshot;
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LSSnapshot* mSnapshot;
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NS_DECL_OWNINGTHREAD
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public:
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void
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AssertIsOnOwningThread() const
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{
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NS_ASSERT_OWNINGTHREAD(LSSnapshotChild);
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}
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private:
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// Only created by LSDatabase.
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explicit LSSnapshotChild(LSSnapshot* aSnapshot);
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// Only destroyed by LSDatabaseChild.
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~LSSnapshotChild();
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void
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SendDeleteMeInternal();
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// IPDL methods are only called by IPDL.
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void
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ActorDestroy(ActorDestroyReason aWhy) override;
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mozilla::ipc::IPCResult
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RecvMarkDirty() override;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_localstorage_ActorsChild_h
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