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// Copyright 2022 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/ash/app_list/search/personalization_provider.h"
#include <string>
#include <vector>
#include "ash/constants/personalization_entry_point.h"
#include "ash/constants/web_app_id_constants.h"
#include "ash/public/cpp/app_list/app_list_config.h"
#include "ash/public/cpp/app_list/app_list_metrics.h"
#include "ash/public/cpp/app_list/app_list_types.h"
#include "ash/webui/personalization_app/personalization_app_url_constants.h"
#include "ash/webui/personalization_app/search/search.mojom.h"
#include "ash/webui/personalization_app/search/search_handler.h"
#include "base/logging.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/browser/apps/app_service/app_service_proxy.h"
#include "chrome/browser/apps/app_service/app_service_proxy_factory.h"
#include "chrome/browser/ash/app_list/search/common/icon_constants.h"
#include "chrome/browser/ash/app_list/search/search_provider.h"
#include "chrome/browser/ash/system_web_apps/apps/personalization_app/personalization_app_manager.h"
#include "chrome/browser/ash/system_web_apps/apps/personalization_app/personalization_app_manager_factory.h"
#include "chrome/browser/ash/system_web_apps/apps/personalization_app/personalization_app_metrics.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/ash/system_web_apps/system_web_app_ui_utils.h"
#include "components/services/app_service/public/cpp/app_registry_cache.h"
#include "components/services/app_service/public/cpp/app_types.h"
#include "components/session_manager/core/session_manager.h"
#include "components/session_manager/core/session_manager_observer.h"
#include "url/gurl.h"
namespace app_list {
namespace {
inline constexpr size_t kMinQueryLength = 3u;
inline constexpr size_t kNumRequestedResults = 3u;
} // namespace
PersonalizationResult::PersonalizationResult(
Profile* profile,
const ash::personalization_app::mojom::SearchResult& result,
const std::u16string& query,
gfx::ImageSkia icon)
: profile_(profile) {
DCHECK(profile_);
set_id(::ash::personalization_app::kChromeUIPersonalizationAppURL +
result.relative_url);
set_relevance(result.relevance_score);
// Put personalization results into the Settings category. May change in the
// future.
SetCategory(Category::kSettings);
SetTitle(result.text);
SetResultType(ResultType::kPersonalization);
SetDisplayType(DisplayType::kList);
SetIcon(IconInfo(ui::ImageModel::FromImageSkia(icon), kAppIconDimension));
SetMetricsType(::ash::SearchResultType::PERSONALIZATION);
}
PersonalizationResult::~PersonalizationResult() = default;
void PersonalizationResult::Open(int event_flags) {
::ash::SystemAppLaunchParams launch_params;
launch_params.url = GURL(id());
// Record entry point to Personalization Hub through Launcher search.
ash::personalization_app::LogPersonalizationEntryPoint(
ash::PersonalizationEntryPoint::kLauncherSearch);
ash::LaunchSystemWebAppAsync(profile_, ash::SystemWebAppType::PERSONALIZATION,
launch_params);
}
PersonalizationProvider::PersonalizationProvider(Profile* profile)
: SearchProvider(SearchCategory::kSettings), profile_(profile) {
auto* session_manager = session_manager::SessionManager::Get();
if (session_manager->IsUserSessionStartUpTaskCompleted()) {
// If user session start up task has completed, the initialization can
// start.
MaybeInitialize();
} else {
// Wait for the user session start up task completion to prioritize
// resources for them.
session_manager_observation_.Observe(session_manager);
}
}
PersonalizationProvider::~PersonalizationProvider() = default;
void PersonalizationProvider::MaybeInitialize(
::ash::personalization_app::SearchHandler* fake_search_handler) {
// Ensures that the provider can be initialized once only.
if (has_initialized) {
return;
}
has_initialized = true;
// Initialization is happening, so we no longer need to wait for user session
// start up task completion.
session_manager_observation_.Reset();
app_registry_cache_observer_.Observe(
&apps::AppServiceProxyFactory::GetForProfile(profile_)
->AppRegistryCache());
StartLoadIcon();
// Use fake search handler if provided in tests, or get it from
// `personalization_app_manager`.
if (fake_search_handler) {
search_handler_ = fake_search_handler;
} else {
auto* personalization_app_manager = ash::personalization_app::
PersonalizationAppManagerFactory::GetForBrowserContext(profile_);
CHECK(personalization_app_manager);
search_handler_ = personalization_app_manager->search_handler();
}
CHECK(search_handler_);
search_handler_->AddObserver(
search_results_observer_.BindNewPipeAndPassRemote());
}
void PersonalizationProvider::Start(const std::u16string& query) {
if (!search_handler_) {
// If user has started to user launcher search before the user session
// startup tasks completed, we should honor this user action and
// initialize the provider. It makes the personalization search available
// earlier.
MaybeInitialize();
return;
}
if (query.size() < kMinQueryLength) {
return;
}
if (icon_.isNull()) {
VLOG(1) << "No personalization icon for search results";
return;
}
current_query_ = query;
weak_ptr_factory_.InvalidateWeakPtrs();
search_handler_->Search(
query, kNumRequestedResults,
base::BindOnce(&PersonalizationProvider::OnSearchDone,
weak_ptr_factory_.GetWeakPtr(),
/*start_time=*/base::TimeTicks::Now()));
}
void PersonalizationProvider::StopQuery() {
current_query_.clear();
weak_ptr_factory_.InvalidateWeakPtrs();
}
ash::AppListSearchResultType PersonalizationProvider::ResultType() const {
return ash::AppListSearchResultType::kPersonalization;
}
void PersonalizationProvider::OnSearchResultsChanged() {
if (current_query_.empty()) {
return;
}
Start(current_query_);
}
void PersonalizationProvider::OnAppUpdate(const apps::AppUpdate& update) {
if (update.AppId() != ash::kPersonalizationAppId) {
return;
}
if (update.IconKeyChanged() ||
(update.ReadinessChanged() &&
update.Readiness() == apps::Readiness::kReady)) {
StartLoadIcon();
}
}
void PersonalizationProvider::OnAppRegistryCacheWillBeDestroyed(
apps::AppRegistryCache* cache) {
app_registry_cache_observer_.Reset();
}
void PersonalizationProvider::OnSearchDone(
base::TimeTicks start_time,
std::vector<::ash::personalization_app::mojom::SearchResultPtr> results) {
SearchProvider::Results search_results;
for (const auto& result : results) {
DCHECK(!result.is_null());
search_results.push_back(std::make_unique<PersonalizationResult>(
profile_, *result, current_query_, icon_));
}
base::UmaHistogramTimes("Apps.AppList.PersonalizationProvider.QueryTime",
base::TimeTicks::Now() - start_time);
SwapResults(&search_results);
}
void PersonalizationProvider::OnUserSessionStartUpTaskCompleted() {
MaybeInitialize();
}
void PersonalizationProvider::StartLoadIcon() {
auto* proxy = apps::AppServiceProxyFactory::GetForProfile(profile_);
proxy->LoadIcon(
ash::kPersonalizationAppId, apps::IconType::kStandard,
ash::SharedAppListConfig::instance().search_list_icon_dimension(),
/*allow_placeholder_icon=*/false,
base::BindOnce(&PersonalizationProvider::OnLoadIcon,
app_service_weak_ptr_factory_.GetWeakPtr()));
}
void PersonalizationProvider::OnLoadIcon(::apps::IconValuePtr icon_value) {
if (icon_value && icon_value->icon_type == apps::IconType::kStandard) {
icon_ = icon_value->uncompressed;
}
}
} // namespace app_list
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