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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
91 lines
2.9 KiB
C++
91 lines
2.9 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_StreamBlobImpl_h
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#define mozilla_dom_StreamBlobImpl_h
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#include "BaseBlobImpl.h"
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#include "nsIMemoryReporter.h"
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namespace mozilla {
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namespace dom {
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class StreamBlobImpl final : public BaseBlobImpl, public nsIMemoryReporter {
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MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIMEMORYREPORTER
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static already_AddRefed<StreamBlobImpl> Create(
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already_AddRefed<nsIInputStream> aInputStream,
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const nsAString& aContentType, uint64_t aLength,
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const nsAString& aBlobImplType);
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static already_AddRefed<StreamBlobImpl> Create(
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already_AddRefed<nsIInputStream> aInputStream, const nsAString& aName,
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const nsAString& aContentType, int64_t aLastModifiedDate,
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uint64_t aLength, const nsAString& aBlobImplType);
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virtual void CreateInputStream(nsIInputStream** aStream,
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ErrorResult& aRv) override;
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virtual already_AddRefed<BlobImpl> CreateSlice(uint64_t aStart,
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uint64_t aLength,
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const nsAString& aContentType,
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ErrorResult& aRv) override;
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virtual bool IsMemoryFile() const override { return true; }
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int64_t GetFileId() override { return mFileId; }
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void SetFileId(int64_t aFileId) { mFileId = aFileId; }
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void SetFullPath(const nsAString& aFullPath) { mFullPath = aFullPath; }
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void GetMozFullPathInternal(nsAString& aFullPath, ErrorResult& aRv) override {
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aFullPath = mFullPath;
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}
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void SetIsDirectory(bool aIsDirectory) { mIsDirectory = aIsDirectory; }
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bool IsDirectory() const override { return mIsDirectory; }
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size_t GetAllocationSize() const override;
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size_t GetAllocationSize(
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FallibleTArray<BlobImpl*>& aVisitedBlobImpls) const override {
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return GetAllocationSize();
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}
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void GetBlobImplType(nsAString& aBlobImplType) const override;
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private:
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StreamBlobImpl(already_AddRefed<nsIInputStream> aInputStream,
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const nsAString& aContentType, uint64_t aLength,
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const nsAString& aBlobImplType);
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StreamBlobImpl(already_AddRefed<nsIInputStream> aInputStream,
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const nsAString& aName, const nsAString& aContentType,
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int64_t aLastModifiedDate, uint64_t aLength,
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const nsAString& aBlobImplType);
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~StreamBlobImpl();
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void MaybeRegisterMemoryReporter();
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nsCOMPtr<nsIInputStream> mInputStream;
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nsString mFullPath;
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bool mIsDirectory;
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int64_t mFileId;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_StreamBlobImpl_h
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