AndriusA
bf5a345895
Refactors SpeedReader to separate component updater hooks from business logic. Splits SpeedreaderWhitelist into SpeedreaderComponent (for component management) and SpeedreaderRewriterService for the rewriter.
52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
/* Copyright 2020 The Brave Authors. All rights reserved.
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef BRAVE_COMPONENTS_SPEEDREADER_SPEEDREADER_THROTTLE_H_
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#define BRAVE_COMPONENTS_SPEEDREADER_SPEEDREADER_THROTTLE_H_
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#include "base/memory/weak_ptr.h"
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#include "services/network/public/mojom/url_response_head.mojom-forward.h"
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#include "third_party/blink/public/common/loader/url_loader_throttle.h"
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namespace speedreader {
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class SpeedreaderRewriterService;
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// Launches the speedreader distillation pass over a reponce body, deferring
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// the load until distillation is done.
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// TODO(iefremov): Avoid distilling the same page twice (see comments in
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// blink::URLLoaderThrottle)?
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// TODO(iefremov): Check throttles order?
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// Cargoculted from |MimeSniffingThrottle|.
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class SpeedReaderThrottle : public blink::URLLoaderThrottle {
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public:
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// |task_runner| is used to bind the right task runner for handling incoming
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// IPC in SpeedReaderLoader. |task_runner| is supposed to be bound to the
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// current sequence.
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SpeedReaderThrottle(SpeedreaderRewriterService* rewriter_service,
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scoped_refptr<base::SingleThreadTaskRunner> task_runner);
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~SpeedReaderThrottle() override;
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SpeedReaderThrottle(const SpeedReaderThrottle&) = delete;
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SpeedReaderThrottle& operator=(const SpeedReaderThrottle&) = delete;
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// Implements blink::URLLoaderThrottle.
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void WillProcessResponse(const GURL& response_url,
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network::mojom::URLResponseHead* response_head,
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bool* defer) override;
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// Called from SpeedReaderURLLoader.
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void Resume();
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private:
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SpeedreaderRewriterService* rewriter_service_; // not owned
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scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
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base::WeakPtrFactory<SpeedReaderThrottle> weak_factory_{this};
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};
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} // namespace speedreader
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#endif // BRAVE_COMPONENTS_SPEEDREADER_SPEEDREADER_THROTTLE_H_
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