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--HG-- rename : dom/file/ArchiveEvent.cpp => dom/archivereader/ArchiveEvent.cpp rename : dom/file/ArchiveEvent.h => dom/archivereader/ArchiveEvent.h rename : dom/file/ArchiveReader.cpp => dom/archivereader/ArchiveReader.cpp rename : dom/file/ArchiveReader.h => dom/archivereader/ArchiveReader.h rename : dom/file/ArchiveRequest.cpp => dom/archivereader/ArchiveRequest.cpp rename : dom/file/ArchiveRequest.h => dom/archivereader/ArchiveRequest.h rename : dom/file/ArchiveZipEvent.cpp => dom/archivereader/ArchiveZipEvent.cpp rename : dom/file/ArchiveZipEvent.h => dom/archivereader/ArchiveZipEvent.h rename : dom/file/ArchiveZipFile.cpp => dom/archivereader/ArchiveZipFile.cpp rename : dom/file/ArchiveZipFile.h => dom/archivereader/ArchiveZipFile.h rename : dom/file/test/test_archivereader.html => dom/archivereader/test/test_basic.html rename : dom/file/test/test_archivereader_nonUnicode.html => dom/archivereader/test/test_nonUnicode.html rename : dom/file/test/test_archivereader_zip_in_zip.html => dom/archivereader/test/test_zip_in_zip.html rename : dom/file/test/test_bug_793311.html => dom/base/test/test_bug793311.html rename : dom/file/AsyncHelper.cpp => dom/filehandle/AsyncHelper.cpp rename : dom/file/AsyncHelper.h => dom/filehandle/AsyncHelper.h rename : dom/file/File.cpp => dom/filehandle/File.cpp rename : dom/file/File.h => dom/filehandle/File.h rename : dom/file/FileHandle.cpp => dom/filehandle/FileHandle.cpp rename : dom/file/FileHandle.h => dom/filehandle/FileHandle.h rename : dom/file/FileHelper.cpp => dom/filehandle/FileHelper.cpp rename : dom/file/FileHelper.h => dom/filehandle/FileHelper.h rename : dom/file/FileRequest.cpp => dom/filehandle/FileRequest.cpp rename : dom/file/FileRequest.h => dom/filehandle/FileRequest.h rename : dom/file/FileService.cpp => dom/filehandle/FileService.cpp rename : dom/file/FileService.h => dom/filehandle/FileService.h rename : dom/file/FileStreamWrappers.cpp => dom/filehandle/FileStreamWrappers.cpp rename : dom/file/FileStreamWrappers.h => dom/filehandle/FileStreamWrappers.h rename : dom/file/LockedFile.cpp => dom/filehandle/LockedFile.cpp rename : dom/file/LockedFile.h => dom/filehandle/LockedFile.h rename : dom/file/MemoryStreams.cpp => dom/filehandle/MemoryStreams.cpp rename : dom/file/MemoryStreams.h => dom/filehandle/MemoryStreams.h rename : dom/file/MetadataHelper.cpp => dom/filehandle/MetadataHelper.cpp rename : dom/file/MetadataHelper.h => dom/filehandle/MetadataHelper.h rename : dom/file/moz.build => dom/filehandle/moz.build rename : dom/file/nsIFileStorage.h => dom/filehandle/nsIFileStorage.h rename : dom/file/test/dummy_worker.js => dom/filehandle/test/dummy_worker.js rename : dom/file/test/helpers.js => dom/filehandle/test/helpers.js rename : dom/file/test/mochitest.ini => dom/filehandle/test/mochitest.ini rename : dom/file/test/moz.build => dom/filehandle/test/moz.build rename : dom/file/test/test_append_read_data.html => dom/filehandle/test/test_append_read_data.html rename : dom/file/test/test_getFile.html => dom/filehandle/test/test_getFile.html rename : dom/file/test/test_getFileId.html => dom/filehandle/test/test_getFileId.html rename : dom/file/test/test_location.html => dom/filehandle/test/test_location.html rename : dom/file/test/test_lockedfile_lifetimes.html => dom/filehandle/test/test_lockedfile_lifetimes.html rename : dom/file/test/test_lockedfile_lifetimes_nested.html => dom/filehandle/test/test_lockedfile_lifetimes_nested.html rename : dom/file/test/test_lockedfile_ordering.html => dom/filehandle/test/test_lockedfile_ordering.html rename : dom/file/test/test_overlapping_lockedfiles.html => dom/filehandle/test/test_overlapping_lockedfiles.html rename : dom/file/test/test_progress_events.html => dom/filehandle/test/test_progress_events.html rename : dom/file/test/test_readonly_lockedfiles.html => dom/filehandle/test/test_readonly_lockedfiles.html rename : dom/file/test/test_request_readyState.html => dom/filehandle/test/test_request_readyState.html rename : dom/file/test/test_stream_tracking.html => dom/filehandle/test/test_stream_tracking.html rename : dom/file/test/test_success_events_after_abort.html => dom/filehandle/test/test_success_events_after_abort.html rename : dom/file/test/test_truncate.html => dom/filehandle/test/test_truncate.html rename : dom/file/test/test_workers.html => dom/filehandle/test/test_workers.html rename : dom/file/test/test_write_read_data.html => dom/filehandle/test/test_write_read_data.html
103 lines
2.1 KiB
C++
103 lines
2.1 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_FileHelper_h
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#define mozilla_dom_FileHelper_h
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#include "js/TypeDecls.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsIRequestObserver.h"
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class nsIFileStorage;
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namespace mozilla {
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namespace dom {
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class FileHelper;
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class FileRequest;
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class FileOutputStreamWrapper;
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class LockedFile;
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class FileHelperListener
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{
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public:
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NS_IMETHOD_(MozExternalRefCountType)
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AddRef() = 0;
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NS_IMETHOD_(MozExternalRefCountType)
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Release() = 0;
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virtual void
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OnFileHelperComplete(FileHelper* aFileHelper) = 0;
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};
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/**
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* Must be subclassed. The subclass must implement DoAsyncRun. It may then
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* choose to implement GetSuccessResult to properly set the result of the
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* success event. Call Enqueue to start the file operation.
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*/
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class FileHelper : public nsIRequestObserver
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{
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friend class FileRequest;
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friend class FileOutputStreamWrapper;
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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nsresult
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Enqueue();
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nsresult
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AsyncRun(FileHelperListener* aListener);
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void
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OnStreamProgress(uint64_t aProgress, uint64_t aProgressMax);
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void
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OnStreamClose();
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void
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OnStreamDestroy();
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static LockedFile*
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GetCurrentLockedFile();
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protected:
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FileHelper(LockedFile* aLockedFile, FileRequest* aRequest);
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virtual ~FileHelper();
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virtual nsresult
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DoAsyncRun(nsISupports* aStream) = 0;
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virtual nsresult
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GetSuccessResult(JSContext* aCx, JS::MutableHandle<JS::Value> aVal);
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virtual void
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ReleaseObjects();
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void
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Finish();
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nsCOMPtr<nsIFileStorage> mFileStorage;
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nsRefPtr<LockedFile> mLockedFile;
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nsRefPtr<FileRequest> mFileRequest;
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nsRefPtr<FileHelperListener> mListener;
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nsCOMPtr<nsIRequest> mRequest;
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private:
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nsresult mResultCode;
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bool mFinished;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_FileHelper_h
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