// 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.
#ifndef CHROME_BROWSER_ASH_APP_LIST_SEARCH_HELP_APP_ZERO_STATE_PROVIDER_H_
#define CHROME_BROWSER_ASH_APP_LIST_SEARCH_HELP_APP_ZERO_STATE_PROVIDER_H_
#include <string>
#include <vector>
#include "ash/public/cpp/app_list/app_list_notifier.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "chrome/browser/apps/app_service/app_service_proxy_forward.h"
#include "chrome/browser/ash/app_list/search/chrome_search_result.h"
#include "chrome/browser/ash/app_list/search/search_provider.h"
#include "components/services/app_service/public/cpp/app_registry_cache.h"
#include "components/services/app_service/public/cpp/icon_types.h"
class Profile;
namespace gfx {
class ImageSkia;
} // namespace gfx
namespace app_list {
// Search results for the Help App (aka Explore).
class HelpAppZeroStateResult : public ChromeSearchResult {
public:
HelpAppZeroStateResult(Profile* profile,
const std::string& id,
DisplayType display_type,
const std::u16string& title,
const std::u16string& details,
const gfx::ImageSkia& icon);
~HelpAppZeroStateResult() override;
HelpAppZeroStateResult(const HelpAppZeroStateResult&) = delete;
HelpAppZeroStateResult& operator=(const HelpAppZeroStateResult&) = delete;
// ChromeSearchResult overrides:
void Open(int event_flags) override;
private:
const raw_ptr<Profile> profile_;
};
// Provides zero-state results from the Help App.
class HelpAppZeroStateProvider : public SearchProvider,
public apps::AppRegistryCache::Observer,
public ash::AppListNotifier::Observer {
public:
HelpAppZeroStateProvider(Profile* profile, ash::AppListNotifier* notifier);
~HelpAppZeroStateProvider() override;
HelpAppZeroStateProvider(const HelpAppZeroStateProvider&) = delete;
HelpAppZeroStateProvider& operator=(const HelpAppZeroStateProvider&) = delete;
// SearchProvider:
void StartZeroState() override;
ash::AppListSearchResultType ResultType() const override;
// apps::AppRegistryCache::Observer:
void OnAppUpdate(const apps::AppUpdate& update) override;
void OnAppRegistryCacheWillBeDestroyed(
apps::AppRegistryCache* cache) override;
// ash::AppListNotifier::Observer:
void OnImpression(ash::AppListNotifier::Location location,
const std::vector<ash::AppListNotifier::Result>& results,
const std::u16string& query) override;
private:
void OnLoadIcon(apps::IconValuePtr icon_value);
void LoadIcon();
const raw_ptr<Profile> profile_;
gfx::ImageSkia icon_;
base::ScopedObservation<apps::AppRegistryCache,
apps::AppRegistryCache::Observer>
app_registry_cache_observer_{this};
base::ScopedObservation<ash::AppListNotifier, ash::AppListNotifier::Observer>
notifier_observer_{this};
base::WeakPtrFactory<HelpAppZeroStateProvider> weak_factory_{this};
};
} // namespace app_list
#endif // CHROME_BROWSER_ASH_APP_LIST_SEARCH_HELP_APP_ZERO_STATE_PROVIDER_H_