forked from mirrors/gecko-dev
e696ebbe20
So as to make sense in a world where we can coalesce loads across documents. The per-load object is the SheetLoadData, so this way we guarantee that we fire the right events in presence of the load coalescing that the SharedStyleSheetCache does. Differential Revision: https://phabricator.services.mozilla.com/D80380
64 lines
1.6 KiB
C++
64 lines
1.6 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_css_StreamLoader_h
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#define mozilla_css_StreamLoader_h
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#include "nsIStreamListener.h"
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#include "nsString.h"
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#include "mozilla/css/SheetLoadData.h"
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#include "mozilla/Assertions.h"
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class nsIInputStream;
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namespace mozilla {
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namespace css {
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class StreamLoader : public nsIStreamListener {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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explicit StreamLoader(SheetLoadData&);
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void ChannelOpenFailed(nsresult rv) {
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#ifdef NIGHTLY_BUILD
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mChannelOpenFailed = true;
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#endif
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}
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private:
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virtual ~StreamLoader();
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/**
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* callback method used for ReadSegments
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*/
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static nsresult WriteSegmentFun(nsIInputStream*, void*, const char*, uint32_t,
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uint32_t, uint32_t*);
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void HandleBOM();
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RefPtr<SheetLoadData> mSheetLoadData;
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nsresult mStatus;
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Maybe<const Encoding*> mEncodingFromBOM;
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// We store the initial three bytes of the stream into mBOMBytes, and then
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// use that buffer to detect a BOM. We then shift any non-BOM bytes into
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// mBytes, and store all subsequent data in that buffer.
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nsCString mBytes;
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nsAutoCStringN<3> mBOMBytes;
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#ifdef NIGHTLY_BUILD
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bool mChannelOpenFailed = false;
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bool mOnStopRequestCalled = false;
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#endif
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};
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} // namespace css
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} // namespace mozilla
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#endif // mozilla_css_StreamLoader_h
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