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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/app_list/app_list_badge_controller.h"
#include <memory>
#include <string>
#include "ash/app_list/app_list_model_provider.h"
#include "ash/app_list/model/app_list_item.h"
#include "ash/constants/ash_pref_names.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shell.h"
#include "base/functional/bind.h"
#include "components/prefs/pref_change_registrar.h"
#include "components/prefs/pref_service.h"
#include "components/services/app_service/public/cpp/app_registry_cache_wrapper.h"
namespace ash {
AppListBadgeController::AppListBadgeController() {
Shell::Get()->session_controller()->AddObserver(this);
auto* model_provider = AppListModelProvider::Get();
DCHECK(model_provider);
model_provider->AddObserver(this);
SetActiveModel(model_provider->model());
}
AppListBadgeController::~AppListBadgeController() = default;
void AppListBadgeController::Shutdown() {
AppListModelProvider::Get()->RemoveObserver(this);
Shell::Get()->session_controller()->RemoveObserver(this);
model_observation_.Reset();
}
void AppListBadgeController::OnActiveAppListModelsChanged(
AppListModel* model,
SearchModel* search_model) {
SetActiveModel(model);
}
void AppListBadgeController::OnAppListItemAdded(AppListItem* item) {
if (cache_ && notification_badging_pref_enabled_.value_or(false)) {
// Update the notification badge indicator for the newly added app list
// item.
cache_->ForOneApp(item->id(), [item](const apps::AppUpdate& update) {
item->UpdateNotificationBadge(update.HasBadge().value_or(false));
});
}
}
void AppListBadgeController::OnActiveUserPrefServiceChanged(
PrefService* pref_service) {
pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>();
pref_change_registrar_->Init(pref_service);
pref_change_registrar_->Add(
prefs::kAppNotificationBadgingEnabled,
base::BindRepeating(&AppListBadgeController::UpdateAppNotificationBadging,
base::Unretained(this)));
// Observe AppRegistryCache for the current active account to get
// notification updates.
AccountId account_id =
Shell::Get()->session_controller()->GetActiveAccountId();
cache_ = apps::AppRegistryCacheWrapper::Get().GetAppRegistryCache(account_id);
app_registry_cache_observer_.Reset();
if (cache_) {
app_registry_cache_observer_.Observe(cache_);
}
// Resetting the recorded pref forces the next call to
// UpdateAppNotificationBadging() to update notification badging for every
// app item.
notification_badging_pref_enabled_.reset();
UpdateAppNotificationBadging();
}
void AppListBadgeController::OnAppUpdate(const apps::AppUpdate& update) {
if (update.HasBadgeChanged() &&
notification_badging_pref_enabled_.value_or(false)) {
UpdateItemNotificationBadge(update.AppId(),
update.HasBadge().value_or(false));
}
}
void AppListBadgeController::OnAppRegistryCacheWillBeDestroyed(
apps::AppRegistryCache* cache) {
app_registry_cache_observer_.Reset();
}
void AppListBadgeController::UpdateItemNotificationBadge(
const std::string& app_id,
bool has_badge) {
if (!model_)
return;
AppListItem* item = model_->FindItem(app_id);
if (!item)
return;
item->UpdateNotificationBadge(has_badge);
}
void AppListBadgeController::UpdateAppNotificationBadging() {
bool new_badging_enabled = pref_change_registrar_
? pref_change_registrar_->prefs()->GetBoolean(
prefs::kAppNotificationBadgingEnabled)
: false;
if (notification_badging_pref_enabled_.has_value() &&
notification_badging_pref_enabled_.value() == new_badging_enabled) {
return;
}
notification_badging_pref_enabled_ = new_badging_enabled;
if (cache_) {
cache_->ForEachApp([this](const apps::AppUpdate& update) {
// Set the app notification badge hidden when the pref is disabled.
bool has_badge = notification_badging_pref_enabled_.value() &&
(update.HasBadge().value_or(false));
UpdateItemNotificationBadge(update.AppId(), has_badge);
});
}
}
void AppListBadgeController::SetActiveModel(AppListModel* model) {
model_ = model;
model_observation_.Reset();
if (model_)
model_observation_.Observe(model_.get());
}
} // namespace ash
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