From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- netwerk/base/MemoryDownloader.h | 59 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 netwerk/base/MemoryDownloader.h (limited to 'netwerk/base/MemoryDownloader.h') diff --git a/netwerk/base/MemoryDownloader.h b/netwerk/base/MemoryDownloader.h new file mode 100644 index 0000000000..8b5700f5bf --- /dev/null +++ b/netwerk/base/MemoryDownloader.h @@ -0,0 +1,59 @@ +/* -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_net_MemoryDownloader_h__ +#define mozilla_net_MemoryDownloader_h__ + +#include "mozilla/UniquePtr.h" +#include "nsCOMPtr.h" +#include "nsIStreamListener.h" +#include "nsTArray.h" + +/** + * mozilla::net::MemoryDownloader + * + * This class is similar to nsIDownloader, but stores the downloaded + * stream in memory instead of a file. Ownership of the temporary + * memory is transferred to the observer when download is complete; + * there is no need to retain a reference to the downloader. + */ + +namespace mozilla { +namespace net { + +class MemoryDownloader final : public nsIStreamListener { + public: + NS_DECL_ISUPPORTS + NS_DECL_NSIREQUESTOBSERVER + NS_DECL_NSISTREAMLISTENER + + using Data = mozilla::UniquePtr>; + + class IObserver : public nsISupports { + public: + // Note: aData may be null if (and only if) aStatus indicates failure. + virtual void OnDownloadComplete(MemoryDownloader* aDownloader, + nsIRequest* aRequest, nsresult aStatus, + Data aData) = 0; + }; + + explicit MemoryDownloader(IObserver* aObserver); + + private: + virtual ~MemoryDownloader() = default; + + static nsresult ConsumeData(nsIInputStream* in, void* closure, + const char* fromRawSegment, uint32_t toOffset, + uint32_t count, uint32_t* writeCount); + + RefPtr mObserver; + Data mData; + nsresult mStatus; +}; + +} // namespace net +} // namespace mozilla + +#endif // mozilla_net_MemoryDownloader_h__ -- cgit v1.2.3