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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/tabs/alert/tab_alert_controller.h"
#include <functional>
#include <optional>
#include <vector>
#include "base/check.h"
#include "base/containers/fixed_flat_map.h"
#include "base/containers/flat_set.h"
#include "base/containers/to_vector.h"
#include "chrome/browser/ui/tabs/alert/tab_alert.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_capability_type.h"
namespace tabs {
bool CompareAlerts::operator()(TabAlert first, TabAlert second) const {
// Alerts are ordered from highest priority to be shown to lowest priority.
static constexpr auto tab_alert_priority =
base::MakeFixedFlatMap<TabAlert, int>(
{{TabAlert::DESKTOP_CAPTURING, 14},
{TabAlert::TAB_CAPTURING, 13},
{TabAlert::MEDIA_RECORDING, 12},
{TabAlert::AUDIO_RECORDING, 11},
{TabAlert::VIDEO_RECORDING, 10},
{TabAlert::BLUETOOTH_CONNECTED, 9},
{TabAlert::BLUETOOTH_SCAN_ACTIVE, 8},
{TabAlert::USB_CONNECTED, 7},
{TabAlert::HID_CONNECTED, 6},
{TabAlert::SERIAL_CONNECTED, 5},
{TabAlert::GLIC_ACCESSING, 4},
{TabAlert::VR_PRESENTING_IN_HEADSET, 3},
{TabAlert::PIP_PLAYING, 2},
{TabAlert::AUDIO_MUTING, 1},
{TabAlert::AUDIO_PLAYING, 0}});
return tab_alert_priority.at(first) > tab_alert_priority.at(second);
}
TabAlertController::TabAlertController(content::WebContents* web_contents)
: content::WebContentsObserver(web_contents) {}
TabAlertController::~TabAlertController() = default;
base::CallbackListSubscription
TabAlertController::AddAlertToShowChangedCallback(
AlertToShowChangedCallback callback) {
return alert_to_show_changed_callbacks_.Add(std::move(callback));
}
std::optional<TabAlert> TabAlertController::GetAlertToShow() const {
if (active_alerts_.empty()) {
return std::nullopt;
}
return *active_alerts_.begin();
}
std::vector<TabAlert> TabAlertController::GetAllActiveAlerts() {
return base::ToVector(active_alerts_);
}
void TabAlertController::OnCapabilityTypesChanged(
content::WebContentsCapabilityType capability_type,
bool used) {
static constexpr base::fixed_flat_map<content::WebContentsCapabilityType,
TabAlert, 5>
capability_type_to_alert =
base::MakeFixedFlatMap<content::WebContentsCapabilityType, TabAlert>(
{{content::WebContentsCapabilityType::kBluetoothConnected,
TabAlert::BLUETOOTH_CONNECTED},
{content::WebContentsCapabilityType::kBluetoothScanning,
TabAlert::BLUETOOTH_SCAN_ACTIVE},
{content::WebContentsCapabilityType::kUSB,
TabAlert::USB_CONNECTED},
{content::WebContentsCapabilityType::kHID,
TabAlert::HID_CONNECTED},
{content::WebContentsCapabilityType::kSerial,
TabAlert::SERIAL_CONNECTED}});
if (!capability_type_to_alert.contains(capability_type)) {
return;
}
const TabAlert alert = capability_type_to_alert.at(capability_type);
UpdateAlertState(alert, used);
}
void TabAlertController::MediaPictureInPictureChanged(
bool is_picture_in_picture) {
UpdateAlertState(TabAlert::PIP_PLAYING, is_picture_in_picture);
}
void TabAlertController::DidUpdateAudioMutingState(bool muted) {
UpdateAlertState(TabAlert::AUDIO_MUTING, muted);
}
void TabAlertController::OnAudioStateChanged(bool audible) {
UpdateAlertState(TabAlert::AUDIO_PLAYING, audible);
}
void TabAlertController::UpdateAlertState(TabAlert alert, bool is_active) {
std::optional<TabAlert> previous_alert = GetAlertToShow();
if (is_active) {
active_alerts_.insert(alert);
} else {
active_alerts_.erase(alert);
}
std::optional<TabAlert> updated_alert = GetAlertToShow();
if (previous_alert != updated_alert) {
alert_to_show_changed_callbacks_.Notify(updated_alert);
}
}
} // namespace tabs
|
