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
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PAGE_LOAD_METRICS_BROWSER_NAVIGATION_HANDLE_USER_DATA_H_
#define COMPONENTS_PAGE_LOAD_METRICS_BROWSER_NAVIGATION_HANDLE_USER_DATA_H_
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/navigation_handle_user_data.h"
namespace page_load_metrics {
// Store the information about the from where source of a navigation is
// initiated.
class NavigationHandleUserData
: public content::NavigationHandleUserData<NavigationHandleUserData> {
public:
// The enum is used for identifying the source of a navigation.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class InitiatorLocation {
kOther = 0,
kBookmarkBar = 1,
kNewTabPage = 2,
kMaxValue = kNewTabPage
};
~NavigationHandleUserData() override = default;
InitiatorLocation navigation_type() const { return navigation_type_; }
static void AttachNewTabPageNavigationHandleUserData(
content::NavigationHandle& navigation_handle);
private:
NavigationHandleUserData(content::NavigationHandle& navigation,
InitiatorLocation navigation_type)
: navigation_type_(navigation_type) {}
// `navigation_type` is used to store where this navigation is initiated from.
// This information is used to identify the source of the navigation, and this
// kind of information is utilized by PageLoadMetricsObservers.
const InitiatorLocation navigation_type_;
friend content::NavigationHandleUserData<NavigationHandleUserData>;
NAVIGATION_HANDLE_USER_DATA_KEY_DECL();
};
} // namespace page_load_metrics
#endif // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_NAVIGATION_HANDLE_USER_DATA_H_
|
