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// Copyright 2015 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/notifications/notifier_state_tracker.h"
#include <stddef.h>
#include <memory>
#include <utility>
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/permission_descriptor_util.h"
#include "content/public/browser/permission_result.h"
#include "extensions/buildflags/buildflags.h"
#include "third_party/blink/public/common/permissions/permission_utils.h"
#include "ui/message_center/public/cpp/notifier_id.h"
#include "url/origin.h"
#if BUILDFLAG(ENABLE_EXTENSIONS_CORE)
#include "chrome/common/extensions/api/notifications.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_event_histogram_value.h"
#include "extensions/browser/extension_util.h"
#endif
using message_center::NotifierId;
// static
void NotifierStateTracker::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterListPref(prefs::kMessageCenterDisabledExtensionIds);
}
NotifierStateTracker::NotifierStateTracker(Profile* profile)
: profile_(profile) {
OnStringListPrefChanged(
prefs::kMessageCenterDisabledExtensionIds, &disabled_extension_ids_);
disabled_extension_id_pref_.Init(
prefs::kMessageCenterDisabledExtensionIds, profile_->GetPrefs(),
base::BindRepeating(
&NotifierStateTracker::OnStringListPrefChanged,
base::Unretained(this),
base::Unretained(prefs::kMessageCenterDisabledExtensionIds),
base::Unretained(&disabled_extension_ids_)));
#if BUILDFLAG(ENABLE_EXTENSIONS_CORE)
extension_registry_observation_.Observe(
extensions::ExtensionRegistry::Get(profile_));
#endif
}
NotifierStateTracker::~NotifierStateTracker() = default;
bool NotifierStateTracker::IsNotifierEnabled(
const NotifierId& notifier_id) const {
switch (notifier_id.type) {
case message_center::NotifierType::APPLICATION:
return disabled_extension_ids_.find(notifier_id.id) ==
disabled_extension_ids_.end();
case message_center::NotifierType::WEB_PAGE:
return profile_->GetPermissionController()
->GetPermissionResultForOriginWithoutContext(
content::PermissionDescriptorUtil::
CreatePermissionDescriptorForPermissionType(
blink::PermissionType::NOTIFICATIONS),
url::Origin::Create(notifier_id.url))
.status == blink::mojom::PermissionStatus::GRANTED;
case message_center::NotifierType::SYSTEM_COMPONENT:
// We do not disable system component notifications.
return true;
case message_center::NotifierType::ARC_APPLICATION:
#if BUILDFLAG(IS_CHROMEOS)
// TODO(hriono): Ask Android if the application's notifications are
// enabled.
return true;
#else
break;
#endif
case message_center::NotifierType::CROSTINI_APPLICATION:
#if BUILDFLAG(IS_CHROMEOS)
// Disabling Crostini notifications is not supported yet.
return true;
#else
NOTREACHED();
#endif
case message_center::NotifierType::PHONE_HUB:
#if BUILDFLAG(IS_CHROMEOS)
// PhoneHub notifications are controlled in their own settings.
return true;
#else
break;
#endif
}
NOTREACHED();
}
void NotifierStateTracker::SetNotifierEnabled(
const NotifierId& notifier_id,
bool enabled) {
DCHECK_NE(message_center::NotifierType::WEB_PAGE, notifier_id.type);
bool add_new_item = false;
const char* pref_name = nullptr;
base::Value id;
switch (notifier_id.type) {
case message_center::NotifierType::APPLICATION:
#if BUILDFLAG(ENABLE_EXTENSIONS_CORE)
pref_name = prefs::kMessageCenterDisabledExtensionIds;
add_new_item = !enabled;
id = base::Value(notifier_id.id);
FirePermissionLevelChangedEvent(notifier_id, enabled);
break;
#else
NOTREACHED();
#endif
default:
NOTREACHED();
}
DCHECK(pref_name != nullptr);
ScopedListPrefUpdate update(profile_->GetPrefs(), pref_name);
base::Value::List& update_list = update.Get();
if (add_new_item) {
if (!base::Contains(update_list, id))
update_list.Append(std::move(id));
} else {
update_list.EraseValue(id);
}
}
void NotifierStateTracker::OnStringListPrefChanged(
const char* pref_name, std::set<std::string>* ids_field) {
ids_field->clear();
const base::Value::List& pref_list = profile_->GetPrefs()->GetList(pref_name);
for (size_t i = 0; i < pref_list.size(); ++i) {
const std::string* element = pref_list[i].GetIfString();
if (element && !element->empty())
ids_field->insert(*element);
else
LOG(WARNING) << i << "-th element is not a string for " << pref_name;
}
}
#if BUILDFLAG(ENABLE_EXTENSIONS_CORE)
void NotifierStateTracker::OnExtensionUninstalled(
content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UninstallReason reason) {
NotifierId notifier_id(message_center::NotifierType::APPLICATION,
extension->id());
if (IsNotifierEnabled(notifier_id))
return;
SetNotifierEnabled(notifier_id, true);
}
void NotifierStateTracker::FirePermissionLevelChangedEvent(
const NotifierId& notifier_id, bool enabled) {
DCHECK_EQ(message_center::NotifierType::APPLICATION, notifier_id.type);
extensions::EventRouter* event_router =
extensions::EventRouter::Get(profile_);
if (!event_router) {
// The |event_router| can be a nullptr in tests.
return;
}
extensions::api::notifications::PermissionLevel permission =
enabled ? extensions::api::notifications::PermissionLevel::kGranted
: extensions::api::notifications::PermissionLevel::kDenied;
base::Value::List args;
args.Append(extensions::api::notifications::ToString(permission));
auto event = std::make_unique<extensions::Event>(
extensions::events::NOTIFICATIONS_ON_PERMISSION_LEVEL_CHANGED,
extensions::api::notifications::OnPermissionLevelChanged::kEventName,
std::move(args));
event_router->DispatchEventToExtension(notifier_id.id, std::move(event));
}
#endif
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