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35bde55efd
FileCreatorHelper creates a FileBlobImpl on the main-thread and, because of this, we end up executing I/O operations on that thread, slowing down other components. With this patch, FileCreatorHelper logic is moved to PBackground. That the 'type' getter is still called on the main-thread because FileBlobImpl uses nsIMIMEService which is a non thread-safe component. Differential Revision: https://phabricator.services.mozilla.com/D27641 --HG-- extra : moz-landing-system : lando
43 lines
1.3 KiB
C++
43 lines
1.3 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_FileCreatorHelper_h
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#define mozilla_dom_FileCreatorHelper_h
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#include "mozilla/Attributes.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/RefPtr.h"
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#include "nsISupportsImpl.h"
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// Undefine the macro of CreateFile to avoid FileCreatorHelper#CreateFile being
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// replaced by FileCreatorHelper#CreateFileW.
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#ifdef CreateFile
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# undef CreateFile
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#endif
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class nsIFile;
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class nsIGlobalObject;
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namespace mozilla {
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namespace dom {
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struct ChromeFilePropertyBag;
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class Promise;
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class FileCreatorHelper final {
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public:
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static already_AddRefed<Promise> CreateFile(nsIGlobalObject* aGlobalObject,
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nsIFile* aFile,
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const ChromeFilePropertyBag& aBag,
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bool aIsFromNsIFile,
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ErrorResult& aRv);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_FileCreatorHelper_h
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