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// 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 "base/functional/bind.h"
#include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
#include "chrome/browser/ui/recently_audible_helper.h"
#include "chrome/browser/ui/tabs/alert/tab_alert.h"
#include "chrome/browser/vr/vr_tab_helper.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_capability_type.h"
#if BUILDFLAG(ENABLE_GLIC)
#include "chrome/browser/glic/public/context/glic_sharing_manager.h"
#include "chrome/browser/glic/public/glic_keyed_service.h"
#endif // BUILDFLAG(ENABLE_GLIC)
namespace {
glic::GlicKeyedService* GetGlicKeyedService(
BrowserWindowInterface* browser_window_interface) {
#if BUILDFLAG(ENABLE_GLIC)
return glic::GlicKeyedService::Get(browser_window_interface->GetProfile());
#else
return nullptr;
#endif // BUILDFLAG(ENABLE_GLIC)
}
} // namespace
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, 16},
{TabAlert::TAB_CAPTURING, 15},
{TabAlert::MEDIA_RECORDING, 14},
{TabAlert::AUDIO_RECORDING, 13},
{TabAlert::VIDEO_RECORDING, 12},
{TabAlert::BLUETOOTH_CONNECTED, 11},
{TabAlert::BLUETOOTH_SCAN_ACTIVE, 10},
{TabAlert::USB_CONNECTED, 9},
{TabAlert::HID_CONNECTED, 8},
{TabAlert::SERIAL_CONNECTED, 7},
{TabAlert::ACTOR_ACCESSING, 6},
{TabAlert::GLIC_ACCESSING, 5},
{TabAlert::GLIC_SHARING, 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(TabInterface& tab)
: TabAlertController(tab,
GetGlicKeyedService(tab.GetBrowserWindowInterface())) {
}
TabAlertController::TabAlertController(
TabInterface& tab,
glic::GlicKeyedService* glic_keyed_service)
: tabs::ContentsObservingTabFeature(tab) {
media_stream_capture_indicator_observation_.Observe(
MediaCaptureDevicesDispatcher::GetInstance()
->GetMediaStreamCaptureIndicator()
.get());
vr_tab_helper_observation_.Observe(
vr::VrTabHelper::FromWebContents(web_contents()));
recently_audible_subscription_ =
RecentlyAudibleHelper::FromWebContents(tab.GetContents())
->RegisterRecentlyAudibleChangedCallback(base::BindRepeating(
&TabAlertController::OnRecentlyAudibleStateChanged,
base::Unretained(this)));
#if BUILDFLAG(ENABLE_GLIC)
if (glic_keyed_service) {
callback_subscriptions_.push_back(
glic_keyed_service->AddContextAccessIndicatorStatusChangedCallback(
base::BindRepeating(
&TabAlertController::OnGlicContextAccessIndicatorStatusChanged,
base::Unretained(this))));
glic::GlicSharingManager& glic_sharing_manager =
glic_keyed_service->sharing_manager();
callback_subscriptions_.emplace_back(
glic_sharing_manager.AddFocusedTabChangedCallback(base::BindRepeating(
&TabAlertController::OnGlicSharingFocusedTabChanged,
base::Unretained(this))));
callback_subscriptions_.emplace_back(
glic_sharing_manager.AddTabPinningStatusChangedCallback(
base::BindRepeating(&TabAlertController::OnGlicTabPinningChanged,
base::Unretained(this))));
}
#endif // BUILDFLAG(ENABLE_GLIC)
}
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_);
}
bool TabAlertController::IsAlertActive(TabAlert alert) const {
return active_alerts_.contains(alert);
}
void TabAlertController::OnDiscardContents(TabInterface* tab_interface,
content::WebContents* old_contents,
content::WebContents* new_contents) {
tabs::ContentsObservingTabFeature::OnDiscardContents(
tab_interface, old_contents, new_contents);
vr_tab_helper_observation_.Reset();
vr_tab_helper_observation_.Observe(
vr::VrTabHelper::FromWebContents(new_contents));
recently_audible_subscription_ =
RecentlyAudibleHelper::FromWebContents(new_contents)
->RegisterRecentlyAudibleChangedCallback(base::BindRepeating(
&TabAlertController::OnRecentlyAudibleStateChanged,
base::Unretained(this)));
}
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::OnIsCapturingVideoChanged(
content::WebContents* contents,
bool is_capturing_video) {
if (contents == web_contents()) {
UpdateAlertState(TabAlert::MEDIA_RECORDING, is_capturing_video);
}
}
void TabAlertController::OnIsCapturingAudioChanged(
content::WebContents* contents,
bool is_capturing_audio) {
if (contents == web_contents()) {
UpdateAlertState(TabAlert::MEDIA_RECORDING, is_capturing_audio);
}
}
void TabAlertController::OnIsBeingMirroredChanged(
content::WebContents* contents,
bool is_being_mirrored) {
if (contents == web_contents()) {
UpdateAlertState(TabAlert::TAB_CAPTURING, is_being_mirrored);
}
}
void TabAlertController::OnIsCapturingWindowChanged(
content::WebContents* contents,
bool is_capturing_window) {
if (contents == web_contents()) {
UpdateAlertState(TabAlert::DESKTOP_CAPTURING, is_capturing_window);
}
}
void TabAlertController::OnIsCapturingDisplayChanged(
content::WebContents* contents,
bool is_capturing_display) {
if (contents == web_contents()) {
UpdateAlertState(TabAlert::DESKTOP_CAPTURING, is_capturing_display);
}
}
void TabAlertController::OnIsContentDisplayedInHeadsetChanged(bool state) {
UpdateAlertState(TabAlert::VR_PRESENTING_IN_HEADSET, state);
}
#if BUILDFLAG(ENABLE_GLIC)
void TabAlertController::OnGlicContextAccessIndicatorStatusChanged(
bool is_accessing) {
UpdateAlertState(TabAlert::GLIC_ACCESSING,
GetGlicKeyedService(tab().GetBrowserWindowInterface())
->IsContextAccessIndicatorShown(tab().GetContents()));
}
void TabAlertController::OnGlicSharingFocusedTabChanged(
const glic::FocusedTabData& focused_tab_data) {
const bool is_alert_active =
focused_tab_data.focus() != &tab()
? false
: GetGlicKeyedService(tab().GetBrowserWindowInterface())
->IsContextAccessIndicatorShown(tab().GetContents());
UpdateAlertState(TabAlert::GLIC_ACCESSING, is_alert_active);
}
void TabAlertController::OnGlicTabPinningChanged(
tabs::TabInterface* tab_interface,
bool is_sharing) {
if (tab_interface->GetContents() == web_contents()) {
UpdateAlertState(TabAlert::GLIC_SHARING, is_sharing);
}
}
#endif // BUILDFLAG(ENABLE_GLIC)
void TabAlertController::OnRecentlyAudibleStateChanged(bool was_audible) {
UpdateAlertState(TabAlert::AUDIO_PLAYING, was_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
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