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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_MANAGER_H_
#define EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_MANAGER_H_
#include <optional>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chromeos/ash/components/dbus/media_analytics/media_analytics_client.h"
#include "chromeos/ash/components/dbus/media_perception/media_perception.pb.h"
#include "chromeos/services/media_perception/public/mojom/media_perception_service.mojom.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/common/api/media_perception_private.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace extensions {
class MediaPerceptionAPIManager : public BrowserContextKeyedAPI,
public ash::MediaAnalyticsClient::Observer {
public:
using APISetAnalyticsComponentCallback = base::OnceCallback<void(
extensions::api::media_perception_private::ComponentState
component_state)>;
using APIComponentProcessStateCallback = base::OnceCallback<void(
extensions::api::media_perception_private::ProcessState process_state)>;
using APIStateCallback = base::OnceCallback<void(
extensions::api::media_perception_private::State state)>;
using APIGetDiagnosticsCallback = base::OnceCallback<void(
extensions::api::media_perception_private::Diagnostics diagnostics)>;
explicit MediaPerceptionAPIManager(content::BrowserContext* context);
MediaPerceptionAPIManager(const MediaPerceptionAPIManager&) = delete;
MediaPerceptionAPIManager& operator=(const MediaPerceptionAPIManager&) =
delete;
~MediaPerceptionAPIManager() override;
// Convenience method to get the MediaPeceptionAPIManager for a
// BrowserContext.
static MediaPerceptionAPIManager* Get(content::BrowserContext* context);
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<MediaPerceptionAPIManager>*
GetFactoryInstance();
// Handler for clients of the API requesting a MediaPerception Mojo interface.
void ActivateMediaPerception(
mojo::PendingReceiver<chromeos::media_perception::mojom::MediaPerception>
receiver);
// Public functions for MediaPerceptionPrivateAPI implementation.
void SetAnalyticsComponent(
const extensions::api::media_perception_private::Component& component,
APISetAnalyticsComponentCallback callback);
void SetComponentProcessState(
const extensions::api::media_perception_private::ProcessState&
process_state,
APIComponentProcessStateCallback callback);
void GetState(APIStateCallback callback);
void SetState(const extensions::api::media_perception_private::State& state,
APIStateCallback callback);
void GetDiagnostics(APIGetDiagnosticsCallback callback);
// For testing purposes only. Allows the unittest to set the mount_point to
// something non-empty.
void SetMountPointNonEmptyForTesting();
private:
friend class BrowserContextKeyedAPIFactory<MediaPerceptionAPIManager>;
class MediaPerceptionControllerClient;
// BrowserContextKeyedAPI:
static const char* service_name() { return "MediaPerceptionAPIManager"; }
static const bool kServiceIsNULLWhileTesting = true;
enum class AnalyticsProcessState {
// The process is not running.
IDLE,
// The process has been launched via Upstart, but waiting for callback to
// confirm.
CHANGING_PROCESS_STATE,
// The process is running.
RUNNING,
// The process state is unknown, e.g. when a Upstart Stop request fails.
UNKNOWN
};
// Sets the state of the analytics process.
void SetStateInternal(APIStateCallback callback, const mri::State& state);
// MediaAnalyticsClient::Observer overrides.
void OnDetectionSignal(const mri::MediaPerception& media_perception) override;
// Callback for State D-Bus method calls to the media analytics process.
void StateCallback(APIStateCallback callback,
std::optional<mri::State> state);
// Callback for GetDiagnostics D-Bus method calls to the media analytics
// process.
void GetDiagnosticsCallback(APIGetDiagnosticsCallback callback,
std::optional<mri::Diagnostics> diagnostics);
// Callbacks for Upstart command to start media analytics process.
void UpstartStartProcessCallback(APIComponentProcessStateCallback callback,
bool succeeded);
// Sends a Mojo IPC message pipe invitation to the media analytics process.
void SendMojoInvitation(APIComponentProcessStateCallback callback);
// Callback for BootstrapMojoConnection D-Bus method calls to the media
// analytics process.
void OnBootstrapMojoConnection(APIComponentProcessStateCallback callback,
bool succeeded);
// This callback includes a mri::State so that the API manager can immediately
// set the state of rtanalytics after start-up.
void UpstartStartCallback(APIStateCallback callback,
const mri::State& state,
bool succeeded);
// Callback for Upstart command to restart media analytics process.
void UpstartRestartCallback(APIStateCallback callback, bool succeeded);
// Callback for Upstart command to stop media analytics process.
void UpstartStopProcessCallback(APIComponentProcessStateCallback callback,
bool succeeded);
void UpstartStopCallback(APIStateCallback callback, bool succeeded);
// Callback with the mount point for a loaded component.
void LoadComponentCallback(APISetAnalyticsComponentCallback callback,
const extensions::api::media_perception_private::
ComponentInstallationError installation_error,
const base::FilePath& mount_point);
bool ComponentIsLoaded();
const raw_ptr<content::BrowserContext> browser_context_;
// Keeps track of whether the analytics process is running so that it can be
// started with an Upstart D-Bus method call if necessary.
AnalyticsProcessState analytics_process_state_;
// Keeps track of the mount point for the current media analytics process
// component from component updater. If this string is not set, no component
// is set.
std::string mount_point_;
// Pointer to the MediaPerceptionService interface for communicating with the
// service over Mojo.
mojo::Remote<chromeos::media_perception::mojom::MediaPerceptionService>
media_perception_service_;
mojo::Remote<chromeos::media_perception::mojom::MediaPerceptionController>
media_perception_controller_;
std::unique_ptr<MediaPerceptionControllerClient>
media_perception_controller_client_;
base::ScopedObservation<ash::MediaAnalyticsClient,
ash::MediaAnalyticsClient::Observer>
scoped_observation_{this};
base::WeakPtrFactory<MediaPerceptionAPIManager> weak_ptr_factory_{this};
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_MANAGER_H_
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