mirror of
https://github.com/classilla/tenfourfox.git
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334 lines
9.8 KiB
C
334 lines
9.8 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_devicestorage_DeviceStorageRequestParent_h
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#define mozilla_dom_devicestorage_DeviceStorageRequestParent_h
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/devicestorage/PDeviceStorageRequestParent.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/ContentParent.h"
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#include "nsThreadUtils.h"
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#include "nsDeviceStorage.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace dom {
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namespace devicestorage {
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class DeviceStorageRequestParent : public PDeviceStorageRequestParent
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{
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public:
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explicit DeviceStorageRequestParent(const DeviceStorageParams& aParams);
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NS_IMETHOD_(MozExternalRefCountType) AddRef();
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NS_IMETHOD_(MozExternalRefCountType) Release();
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bool EnsureRequiredPermissions(mozilla::dom::ContentParent* aParent);
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void Dispatch();
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virtual void ActorDestroy(ActorDestroyReason);
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protected:
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~DeviceStorageRequestParent();
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private:
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ThreadSafeAutoRefCnt mRefCnt;
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NS_DECL_OWNINGTHREAD
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DeviceStorageParams mParams;
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class CancelableRunnable : public nsRunnable
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{
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public:
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explicit CancelableRunnable(DeviceStorageRequestParent* aParent)
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: mParent(aParent)
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{
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mCanceled = !(mParent->AddRunnable(this));
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}
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virtual ~CancelableRunnable() {
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}
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NS_IMETHOD Run() override {
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nsresult rv = NS_OK;
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if (!mCanceled) {
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rv = CancelableRun();
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mParent->RemoveRunnable(this);
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}
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return rv;
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}
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void Cancel() {
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mCanceled = true;
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}
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virtual nsresult CancelableRun() = 0;
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protected:
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RefPtr<DeviceStorageRequestParent> mParent;
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private:
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bool mCanceled;
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};
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class CancelableFileEvent : public CancelableRunnable
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{
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protected:
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CancelableFileEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile)
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: CancelableRunnable(aParent)
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, mFile(Move(aFile)) {}
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RefPtr<DeviceStorageFile> mFile;
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};
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class PostErrorEvent : public CancelableRunnable
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{
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public:
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PostErrorEvent(DeviceStorageRequestParent* aParent, const char* aError);
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virtual ~PostErrorEvent() {}
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virtual nsresult CancelableRun();
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private:
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nsString mError;
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};
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class PostSuccessEvent : public CancelableRunnable
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{
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public:
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explicit PostSuccessEvent(DeviceStorageRequestParent* aParent)
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: CancelableRunnable(aParent) {}
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virtual ~PostSuccessEvent() {}
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virtual nsresult CancelableRun();
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};
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class PostBlobSuccessEvent : public CancelableFileEvent
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{
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public:
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PostBlobSuccessEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile,
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uint32_t aLength, nsACString& aMimeType,
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uint64_t aLastModifiedDate)
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: CancelableFileEvent(aParent, Move(aFile))
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, mLength(aLength)
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, mLastModificationDate(aLastModifiedDate)
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, mMimeType(aMimeType) {}
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virtual ~PostBlobSuccessEvent() {}
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virtual nsresult CancelableRun();
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private:
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uint32_t mLength;
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uint64_t mLastModificationDate;
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nsCString mMimeType;
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};
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class PostEnumerationSuccessEvent : public CancelableRunnable
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{
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public:
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PostEnumerationSuccessEvent(DeviceStorageRequestParent* aParent,
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const nsAString& aStorageType,
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const nsAString& aRelPath,
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InfallibleTArray<DeviceStorageFileValue>& aPaths)
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: CancelableRunnable(aParent)
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, mStorageType(aStorageType)
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, mRelPath(aRelPath)
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, mPaths(aPaths) {}
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virtual ~PostEnumerationSuccessEvent() {}
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virtual nsresult CancelableRun();
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private:
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const nsString mStorageType;
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const nsString mRelPath;
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InfallibleTArray<DeviceStorageFileValue> mPaths;
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};
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class CreateFdEvent : public CancelableFileEvent
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{
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public:
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CreateFdEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile)
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: CancelableFileEvent(aParent, Move(aFile)) {}
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virtual ~CreateFdEvent() {}
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virtual nsresult CancelableRun();
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};
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class WriteFileEvent : public CancelableFileEvent
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{
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public:
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WriteFileEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile,
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nsIInputStream* aInputStream, int32_t aRequestType)
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: CancelableFileEvent(aParent, Move(aFile))
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, mInputStream(aInputStream)
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, mRequestType(aRequestType) {}
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virtual ~WriteFileEvent() {}
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virtual nsresult CancelableRun();
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private:
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nsCOMPtr<nsIInputStream> mInputStream;
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int32_t mRequestType;
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};
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class DeleteFileEvent : public CancelableFileEvent
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{
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public:
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DeleteFileEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile)
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: CancelableFileEvent(aParent, Move(aFile)) {}
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virtual ~DeleteFileEvent() {}
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virtual nsresult CancelableRun();
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};
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class FreeSpaceFileEvent : public CancelableFileEvent
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{
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public:
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FreeSpaceFileEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile)
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: CancelableFileEvent(aParent, Move(aFile)) {}
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virtual ~FreeSpaceFileEvent() {}
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virtual nsresult CancelableRun();
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};
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class UsedSpaceFileEvent : public CancelableFileEvent
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{
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public:
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UsedSpaceFileEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile)
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: CancelableFileEvent(aParent, Move(aFile)) {}
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virtual ~UsedSpaceFileEvent() {}
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virtual nsresult CancelableRun();
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};
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class ReadFileEvent : public CancelableFileEvent
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{
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public:
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ReadFileEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile);
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virtual ~ReadFileEvent() {}
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virtual nsresult CancelableRun();
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private:
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nsCString mMimeType;
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};
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class EnumerateFileEvent : public CancelableFileEvent
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{
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public:
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EnumerateFileEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile,
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uint64_t aSince)
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: CancelableFileEvent(aParent, Move(aFile))
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, mSince(aSince) {}
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virtual ~EnumerateFileEvent() {}
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virtual nsresult CancelableRun();
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private:
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uint64_t mSince;
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};
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class PostPathResultEvent : public CancelableRunnable
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{
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public:
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PostPathResultEvent(DeviceStorageRequestParent* aParent,
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const nsAString& aPath)
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: CancelableRunnable(aParent)
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, mPath(aPath) {}
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virtual ~PostPathResultEvent() {}
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virtual nsresult CancelableRun();
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private:
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nsString mPath;
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};
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class PostFileDescriptorResultEvent : public CancelableRunnable
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{
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public:
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PostFileDescriptorResultEvent(DeviceStorageRequestParent* aParent,
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const FileDescriptor& aFileDescriptor)
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: CancelableRunnable(aParent)
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, mFileDescriptor(aFileDescriptor) {}
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virtual ~PostFileDescriptorResultEvent() {}
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virtual nsresult CancelableRun();
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private:
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FileDescriptor mFileDescriptor;
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};
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class PostFreeSpaceResultEvent : public CancelableRunnable
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{
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public:
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PostFreeSpaceResultEvent(DeviceStorageRequestParent* aParent,
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uint64_t aFreeSpace);
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virtual ~PostFreeSpaceResultEvent();
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virtual nsresult CancelableRun();
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private:
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uint64_t mFreeSpace;
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};
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class PostUsedSpaceResultEvent : public CancelableRunnable
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{
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public:
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PostUsedSpaceResultEvent(DeviceStorageRequestParent* aParent,
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const nsAString& aType,
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uint64_t aUsedSpace)
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: CancelableRunnable(aParent)
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, mType(aType)
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, mUsedSpace(aUsedSpace) {}
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virtual ~PostUsedSpaceResultEvent() {}
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virtual nsresult CancelableRun();
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private:
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nsString mType;
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uint64_t mUsedSpace;
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};
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class PostFormatResultEvent : public CancelableFileEvent
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{
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public:
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PostFormatResultEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile)
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: CancelableFileEvent(aParent, Move(aFile)) {}
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virtual ~PostFormatResultEvent() {}
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virtual nsresult CancelableRun();
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};
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class PostMountResultEvent : public CancelableFileEvent
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{
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public:
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PostMountResultEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile)
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: CancelableFileEvent(aParent, Move(aFile)) {}
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virtual ~PostMountResultEvent() {}
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virtual nsresult CancelableRun();
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};
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class PostUnmountResultEvent : public CancelableFileEvent
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{
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public:
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PostUnmountResultEvent(DeviceStorageRequestParent* aParent,
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already_AddRefed<DeviceStorageFile>&& aFile)
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: CancelableFileEvent(aParent, Move(aFile)) {}
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virtual ~PostUnmountResultEvent() {}
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virtual nsresult CancelableRun();
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};
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protected:
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bool AddRunnable(CancelableRunnable* aRunnable) {
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MutexAutoLock lock(mMutex);
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if (mActorDestroyed)
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return false;
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mRunnables.AppendElement(aRunnable);
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return true;
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}
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void RemoveRunnable(CancelableRunnable* aRunnable) {
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MutexAutoLock lock(mMutex);
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mRunnables.RemoveElement(aRunnable);
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}
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Mutex mMutex;
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bool mActorDestroyed;
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nsTArray<RefPtr<CancelableRunnable> > mRunnables;
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};
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} // namespace devicestorage
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} // namespace dom
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} // namespace mozilla
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#endif
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