зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
2.3 KiB
C++
98 строки
2.3 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_file_file_h__
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#define mozilla_dom_file_file_h__
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#include "mozilla/Attributes.h"
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#include "FileCommon.h"
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#include "nsDOMFile.h"
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#include "LockedFile.h"
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BEGIN_FILE_NAMESPACE
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class File : public nsDOMFileCC
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(File, nsDOMFileCC)
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// Create as a file
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File(const nsAString& aName, const nsAString& aContentType,
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uint64_t aLength, nsIFile* aFile, LockedFile* aLockedFile)
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: nsDOMFileCC(aName, aContentType, aLength),
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mFile(aFile), mLockedFile(aLockedFile),
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mWholeFile(true), mStoredFile(false)
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{
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NS_ASSERTION(mFile, "Null file!");
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NS_ASSERTION(mLockedFile, "Null locked file!");
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}
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// Create as a stored file
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File(const nsAString& aName, const nsAString& aContentType,
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uint64_t aLength, nsIFile* aFile, LockedFile* aLockedFile,
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FileInfo* aFileInfo)
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: nsDOMFileCC(aName, aContentType, aLength),
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mFile(aFile), mLockedFile(aLockedFile),
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mWholeFile(true), mStoredFile(true)
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{
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NS_ASSERTION(mFile, "Null file!");
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NS_ASSERTION(mLockedFile, "Null locked file!");
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mFileInfos.AppendElement(aFileInfo);
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}
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// Overrides
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NS_IMETHOD
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GetMozFullPathInternal(nsAString& aFullPath) MOZ_OVERRIDE;
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NS_IMETHOD
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GetInternalStream(nsIInputStream** aStream) MOZ_OVERRIDE;
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protected:
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// Create slice
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File(const File* aOther, uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType);
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virtual ~File()
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{ }
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virtual already_AddRefed<nsIDOMBlob>
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CreateSlice(uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType) MOZ_OVERRIDE;
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virtual bool
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IsStoredFile() const MOZ_OVERRIDE
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{
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return mStoredFile;
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}
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virtual bool
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IsWholeFile() const MOZ_OVERRIDE
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{
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return mWholeFile;
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}
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virtual bool
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IsSnapshot() const MOZ_OVERRIDE
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{
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return true;
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}
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private:
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nsCOMPtr<nsIFile> mFile;
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nsRefPtr<LockedFile> mLockedFile;
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bool mWholeFile;
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bool mStoredFile;
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};
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END_FILE_NAMESPACE
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#endif // mozilla_dom_file_file_h__
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