blob: c633639b44654887d6973d9d4bab4e45d7228cbf [file] [log] [blame]
// 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 CHROME_RENDERER_CHROMEOS_MERGE_SESSION_LOADER_THROTTLE_H_
#define CHROME_RENDERER_CHROMEOS_MERGE_SESSION_LOADER_THROTTLE_H_
#include <memory>
#include <string>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "chrome/renderer/chrome_render_thread_observer.h"
#include "chrome/renderer/chromeos_delayed_callback_group.h"
#include "third_party/blink/public/common/loader/url_loader_throttle.h"
// This is used to throttle XHR resource requests on Chrome OS while the
// merge session is running (or a timeout).
class MergeSessionLoaderThrottle
: public blink::URLLoaderThrottle,
public base::SupportsWeakPtr<MergeSessionLoaderThrottle> {
public:
static base::TimeDelta GetMergeSessionTimeout();
explicit MergeSessionLoaderThrottle(
scoped_refptr<ChromeRenderThreadObserver::ChromeOSListener>
chromeos_listener);
~MergeSessionLoaderThrottle() override;
private:
bool MaybeDeferForMergeSession(
const GURL& url,
DelayedCallbackGroup::Callback resume_callback);
// blink::URLLoaderThrottle:
void WillStartRequest(network::ResourceRequest* request,
bool* defer) override;
void WillRedirectRequest(net::RedirectInfo* redirect_info,
const network::ResourceResponseHead& response_head,
bool* defer,
std::vector<std::string>* to_be_removed_headers,
net::HttpRequestHeaders* modified_headers) override;
void DetachFromCurrentSequence() override;
void ResumeLoader(DelayedCallbackGroup::RunReason run_reason);
bool is_xhr_ = false;
scoped_refptr<ChromeRenderThreadObserver::ChromeOSListener>
chromeos_listener_;
base::WeakPtrFactory<MergeSessionLoaderThrottle> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(MergeSessionLoaderThrottle);
};
#endif // CHROME_RENDERER_CHROMEOS_MERGE_SESSION_LOADER_THROTTLE_H_