зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
3.8 KiB
C++
106 строки
3.8 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_File_h
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#define mozilla_dom_File_h
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#include "mozilla/dom/Blob.h"
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class nsIFile;
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namespace mozilla {
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namespace dom {
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struct ChromeFilePropertyBag;
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struct FilePropertyBag;
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class Promise;
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class File final : public Blob {
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friend class Blob;
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public:
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// Note: BlobImpl must be a File in order to use this method.
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// Check impl->IsFile().
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static File* Create(nsIGlobalObject* aGlobal, BlobImpl* aImpl);
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// The returned File takes ownership of aMemoryBuffer. aMemoryBuffer will be
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// freed by free so it must be allocated by malloc or something
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// compatible with it.
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static already_AddRefed<File> CreateMemoryFileWithLastModifiedNow(
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nsIGlobalObject* aGlobal, void* aMemoryBuffer, uint64_t aLength,
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const nsAString& aName, const nsAString& aContentType);
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// You should not use this method! Please consider to use the
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// CreateMemoryFileWithLastModifiedNow.
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static already_AddRefed<File> CreateMemoryFileWithCustomLastModified(
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nsIGlobalObject* aGlobal, void* aMemoryBuffer, uint64_t aLength,
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const nsAString& aName, const nsAString& aContentType,
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int64_t aLastModifiedDate);
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// This method creates a BlobFileImpl for the new File object. This is
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// thread-safe, cross-process, cross-thread as any other BlobImpl, but, when
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// GetType() is called, it must dispatch a runnable to the main-thread in
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// order to use nsIMIMEService.
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// Would be nice if we try to avoid to use this method outside the
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// main-thread to avoid extra runnables.
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static already_AddRefed<File> CreateFromFile(nsIGlobalObject* aGlobal,
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nsIFile* aFile);
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static already_AddRefed<File> CreateFromFile(nsIGlobalObject* aGlobal,
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nsIFile* aFile,
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const nsAString& aName,
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const nsAString& aContentType);
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// WebIDL methods
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virtual JSObject* WrapObject(JSContext* cx,
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JS::Handle<JSObject*> aGivenProto) override;
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// File constructor
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static already_AddRefed<File> Constructor(const GlobalObject& aGlobal,
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const Sequence<BlobPart>& aData,
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const nsAString& aName,
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const FilePropertyBag& aBag,
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ErrorResult& aRv);
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// ChromeOnly
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static already_AddRefed<Promise> CreateFromFileName(
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const GlobalObject& aGlobal, const nsAString& aFilePath,
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const ChromeFilePropertyBag& aBag, SystemCallerGuarantee aGuarantee,
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ErrorResult& aRv);
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// ChromeOnly
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static already_AddRefed<Promise> CreateFromNsIFile(
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const GlobalObject& aGlobal, nsIFile* aFile,
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const ChromeFilePropertyBag& aBag, SystemCallerGuarantee aGuarantee,
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ErrorResult& aRv);
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void GetName(nsAString& aName) const;
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int64_t GetLastModified(ErrorResult& aRv);
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void GetRelativePath(nsAString& aPath) const;
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void GetMozFullPath(nsAString& aFilename, SystemCallerGuarantee aGuarantee,
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ErrorResult& aRv);
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void GetMozFullPathInternal(nsAString& aName, ErrorResult& aRv);
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protected:
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virtual bool HasFileInterface() const override { return true; }
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private:
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// File constructor should never be used directly. Use Blob::Create or
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// File::Create.
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File(nsIGlobalObject* aGlobal, BlobImpl* aImpl);
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~File();
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_File_h
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