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// Copyright 2023 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_CHROMEOS_EXTENSIONS_TELEMETRY_API_EVENTS_EVENT_MANAGER_H_
#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_TELEMETRY_API_EVENTS_EVENT_MANAGER_H_
#include <memory>
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/chromeos/extensions/telemetry/api/events/event_router.h"
#include "chrome/browser/chromeos/extensions/telemetry/api/events/remote_event_service_strategy.h"
#include "chromeos/crosapi/mojom/telemetry_event_service.mojom.h"
#include "chromeos/crosapi/mojom/telemetry_extension_exception.mojom.h"
#include "content/public/browser/browser_context.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/extension_registry_factory.h"
#include "extensions/browser/extension_registry_observer.h"
#include "extensions/browser/unloaded_extension_reason.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_id.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace chromeos {
class AppUiObserver;
class EventManager : public extensions::BrowserContextKeyedAPI,
public extensions::ExtensionRegistryObserver {
public:
enum RegisterEventResult {
kSuccess,
kAppUiClosed,
kAppUiNotFocused,
};
// extensions::BrowserContextKeyedAPI:
static extensions::BrowserContextKeyedAPIFactory<EventManager>*
GetFactoryInstance();
// Convenience method to get the EventManager for a content::BrowserContext.
static EventManager* Get(content::BrowserContext* browser_context);
explicit EventManager(content::BrowserContext* context);
EventManager(const EventManager&) = delete;
EventManager& operator=(const EventManager&) = delete;
~EventManager() override;
// `ExtensionRegistryObserver`:
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UnloadedExtensionReason reason) override;
// Registers an extension for a certain event category. This results in a
// subscription with cros_healthd which is cut when either:
// 1. The app UI associated with the extension is closed.
// 2. The connection gets cut manually.
RegisterEventResult RegisterExtensionForEvent(
extensions::ExtensionId extension_id,
crosapi::mojom::TelemetryEventCategoryEnum category);
// Removes an observation for a certain extension and category.
// This results in a cut of the mojom pipe to cros_healthd.
void RemoveObservationsForExtensionAndCategory(
extensions::ExtensionId extension_id,
crosapi::mojom::TelemetryEventCategoryEnum category);
// Checks whether a certain event category is supported.
void IsEventSupported(
crosapi::mojom::TelemetryEventCategoryEnum category,
crosapi::mojom::TelemetryEventService::IsEventSupportedCallback callback);
private:
friend class extensions::BrowserContextKeyedAPIFactory<EventManager>;
friend class TelemetryExtensionEventManagerTest;
// extensions::BrowserContextKeyedAPI:
static const char* service_name() { return "TelemetryEventManager"; }
static const bool kServiceIsCreatedInGuestMode = false;
static const bool kServiceRedirectedInIncognito = true;
mojo::Remote<crosapi::mojom::TelemetryEventService>& GetRemoteService();
void OnAppUiClosed(extensions::ExtensionId extension_id);
void OnAppUiFocusChanged(extensions::ExtensionId extension_id,
bool is_focused);
std::unique_ptr<AppUiObserver> CreateAppUiObserver(
extensions::ExtensionId extension_id,
bool focused_ui_required);
base::flat_map<extensions::ExtensionId, std::unique_ptr<AppUiObserver>>
app_ui_observers_;
EventRouter event_router_;
std::unique_ptr<RemoteEventServiceStrategy> remote_event_service_strategy_;
const raw_ptr<content::BrowserContext> browser_context_;
};
} // namespace chromeos
namespace extensions {
template <>
struct BrowserContextFactoryDependencies<chromeos::EventManager> {
static void DeclareFactoryDependencies(
extensions::BrowserContextKeyedAPIFactory<chromeos::EventManager>*
factory) {
factory->DependsOn(ExtensionRegistryFactory::GetInstance());
}
};
} // namespace extensions
#endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_TELEMETRY_API_EVENTS_EVENT_MANAGER_H_
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