1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_PRELOADING_PREFETCH_PREFETCH_SERVICE_CHROME_PREFETCH_SERVICE_DELEGATE_H_
#define CHROME_BROWSER_PRELOADING_PREFETCH_PREFETCH_SERVICE_CHROME_PREFETCH_SERVICE_DELEGATE_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "content/public/browser/prefetch_service_delegate.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
class BrowserContext;
class WebContents;
} // namespace content
class Profile;
class PrefetchOriginDecider;
class ChromePrefetchServiceDelegate : public content::PrefetchServiceDelegate {
public:
explicit ChromePrefetchServiceDelegate(
content::BrowserContext* browser_context);
~ChromePrefetchServiceDelegate() override;
ChromePrefetchServiceDelegate(const ChromePrefetchServiceDelegate&) = delete;
ChromePrefetchServiceDelegate& operator=(
const ChromePrefetchServiceDelegate&) = delete;
// content::PrefetchServiceDelegate
std::string GetAcceptLanguageHeader() override;
GURL GetDefaultPrefetchProxyHost() override;
std::string GetAPIKey() override;
GURL GetDefaultDNSCanaryCheckURL() override;
GURL GetDefaultTLSCanaryCheckURL() override;
void ReportOriginRetryAfter(const GURL& url,
base::TimeDelta retry_after) override;
bool IsOriginOutsideRetryAfterWindow(const GURL& url) override;
void ClearData() override;
bool DisableDecoysBasedOnUserSettings() override;
content::PreloadingEligibility IsSomePreloadingEnabled() override;
bool IsPreloadingPrefEnabled() override;
bool IsDataSaverEnabled() override;
bool IsBatterySaverEnabled() override;
bool IsExtendedPreloadingEnabled() override;
bool IsDomainInPrefetchAllowList(const GURL& referring_url) override;
bool IsContaminationExempt(const GURL& referring_url) override;
bool IsContaminationExemptPerOrigin(
const url::Origin& referring_origin) override;
void OnPrefetchLikely(content::WebContents* web_contents) override;
void SetAcceptLanguageHeader(std::string accept_language_header) override;
private:
// The profile that |this| is associated with.
raw_ptr<Profile> profile_;
// Tracks "Retry-After" responses, and determines whether new prefetches are
// eligible based on those responses.
std::unique_ptr<PrefetchOriginDecider> origin_decider_;
};
#endif // CHROME_BROWSER_PRELOADING_PREFETCH_PREFETCH_SERVICE_CHROME_PREFETCH_SERVICE_DELEGATE_H_
|
