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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_LOADER_CACHED_NAVIGATION_URL_LOADER_H_
#define CONTENT_BROWSER_LOADER_CACHED_NAVIGATION_URL_LOADER_H_
#include "base/memory/raw_ptr.h"
#include "content/browser/loader/navigation_url_loader.h"
namespace content {
// NavigationURLLoader for navigations that activate a back-forward cached or
// prerendered page. Unlike a normal navigation, no actual URL loading occurs.
// This is because loading already happened the first time this URL was
// navigated to (before it was added to the back-forward cache or when it was
// prerendered).
class CachedNavigationURLLoader : public NavigationURLLoader {
public:
CachedNavigationURLLoader(
LoaderType loader_type,
std::unique_ptr<NavigationRequestInfo> request_info,
NavigationURLLoaderDelegate* delegate,
network::mojom::URLResponseHeadPtr cached_response_head);
~CachedNavigationURLLoader() override;
static std::unique_ptr<NavigationURLLoader> Create(
LoaderType loader_type,
std::unique_ptr<NavigationRequestInfo> request_info,
NavigationURLLoaderDelegate* delegate,
network::mojom::URLResponseHeadPtr cached_response_head);
// NavigationURLLoader implementation.
void Start() override;
void FollowRedirect(
const std::vector<std::string>& removed_headers,
const net::HttpRequestHeaders& modified_headers,
const net::HttpRequestHeaders& modified_cors_exempt_headers) override;
bool SetNavigationTimeout(base::TimeDelta timeout) override;
void CancelNavigationTimeout() override;
private:
void OnResponseStarted();
const LoaderType loader_type_;
std::unique_ptr<NavigationRequestInfo> request_info_;
raw_ptr<NavigationURLLoaderDelegate> delegate_;
network::mojom::URLResponseHeadPtr cached_response_head_;
base::WeakPtrFactory<CachedNavigationURLLoader> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_LOADER_CACHED_NAVIGATION_URL_LOADER_H_
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