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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMECAST_COMMON_CAST_URL_LOADER_THROTTLE_H_
#define CHROMECAST_COMMON_CAST_URL_LOADER_THROTTLE_H_
#include <string>
#include "base/callback_forward.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/public/common/url_loader_throttle.h"
#include "net/http/http_request_headers.h"
namespace chromecast {
class CastURLLoaderThrottle : public content::URLLoaderThrottle {
public:
// An interface for CastURLLoaderThrottle to modify the resource request,
// possibly also defer the request (by returning net::IO_PENDING) in some
// scenarios where blocking operations are needed.
class Delegate {
public:
virtual int WillStartResourceRequest(
network::ResourceRequest* request,
const std::string& session_id,
base::OnceCallback<void(int, net::HttpRequestHeaders)> callback) = 0;
protected:
virtual ~Delegate() = default;
};
CastURLLoaderThrottle(Delegate* delegate, const std::string& session_id);
~CastURLLoaderThrottle() override;
private:
// content::URLLoaderThrottle implementation:
void DetachFromCurrentSequence() override;
void WillStartRequest(network::ResourceRequest* request,
bool* defer) override;
bool makes_unsafe_redirect() override;
void ResumeRequest(int error, net::HttpRequestHeaders headers);
bool deferred_ = false;
Delegate* const settings_delegate_;
const std::string session_id_;
base::WeakPtr<CastURLLoaderThrottle> weak_this_;
base::WeakPtrFactory<CastURLLoaderThrottle> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(CastURLLoaderThrottle);
};
} // namespace chromecast
#endif // CHROMECAST_COMMON_CAST_URL_LOADER_THROTTLE_H_