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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/permissions/prediction_service/prediction_model_handler_provider.h"
#include "base/check_is_test.h"
#include "base/notreached.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "chrome/browser/optimization_guide/optimization_guide_keyed_service.h"
#include "chrome/browser/permissions/prediction_service/permissions_aiv1_handler.h"
#include "components/optimization_guide/core/delivery/optimization_guide_model_provider.h"
#include "components/permissions/features.h"
#include "components/permissions/prediction_service/permissions_aiv3_handler.h"
#include "components/permissions/prediction_service/permissions_aiv4_handler.h"
#include "components/permissions/request_type.h"
#if BUILDFLAG(BUILD_WITH_TFLITE_LIB)
#include "components/permissions/prediction_service/prediction_model_handler.h"
#endif // BUILDFLAG(BUILD_WITH_TFLITE_LIB)
namespace permissions {
PredictionModelHandlerProvider::PredictionModelHandlerProvider(
OptimizationGuideKeyedService* optimization_guide,
passage_embeddings::Embedder* passage_embedder)
: passage_embedder_(passage_embedder) {
VLOG(1) << "[PermissionsAI] PredictionModelHandlerProvider ctor";
// We set up model handlers if necessary in order of preference:
// Aiv4, Aiv3, Aiv1
// CPSSv1 is defined always as backup if further requirements for AivX are not
// fulfilled (like the MSBB bit that we don't check here at the moment).
// TODO(crbug.com/414527270) Only create models when its really necessary (see
// PredictionBasedPermissionUiSelector::GetPredictionTypeToUse).
#if BUILDFLAG(BUILD_WITH_TFLITE_LIB)
notification_prediction_model_handler_ =
std::make_unique<PredictionModelHandler>(
optimization_guide,
optimization_guide::proto::OptimizationTarget::
OPTIMIZATION_TARGET_NOTIFICATION_PERMISSION_PREDICTIONS);
geolocation_prediction_model_handler_ =
std::make_unique<PredictionModelHandler>(
optimization_guide,
optimization_guide::proto::OptimizationTarget::
OPTIMIZATION_TARGET_GEOLOCATION_PERMISSION_PREDICTIONS);
if (IsAiv4ModelAvailable()) {
VLOG(1) << "[PermissionsAI] PredictionModelHandlerProvider init AIv4";
notification_aiv4_handler_ = std::make_unique<PermissionsAiv4Handler>(
optimization_guide,
optimization_guide::proto::OptimizationTarget::
OPTIMIZATION_TARGET_PERMISSIONS_AIV4_NOTIFICATIONS_DESKTOP,
RequestType::kNotifications);
geolocation_aiv4_handler_ = std::make_unique<PermissionsAiv4Handler>(
optimization_guide,
optimization_guide::proto::OptimizationTarget::
OPTIMIZATION_TARGET_PERMISSIONS_AIV4_GEOLOCATION_DESKTOP,
RequestType::kGeolocation);
return;
}
if (base::FeatureList::IsEnabled(permissions::features::kPermissionsAIv3)) {
VLOG(1) << "[PermissionsAI] PredictionModelHandlerProvider init AIv3";
notification_aiv3_handler_ = std::make_unique<PermissionsAiv3Handler>(
optimization_guide,
optimization_guide::proto::OptimizationTarget::
OPTIMIZATION_TARGET_NOTIFICATION_IMAGE_PERMISSION_RELEVANCE,
RequestType::kNotifications);
geolocation_aiv3_handler_ = std::make_unique<PermissionsAiv3Handler>(
optimization_guide,
optimization_guide::proto::OptimizationTarget::
OPTIMIZATION_TARGET_GEOLOCATION_IMAGE_PERMISSION_RELEVANCE,
RequestType::kGeolocation);
return;
}
#endif // BUILDFLAG(BUILD_WITH_TFLITE_LIB)
if (base::FeatureList::IsEnabled(permissions::features::kPermissionsAIv1)) {
permissions_aiv1_handler_ =
std::make_unique<PermissionsAiv1Handler>(optimization_guide);
}
}
PredictionModelHandlerProvider::~PredictionModelHandlerProvider() = default;
PermissionsAiv1Handler*
PredictionModelHandlerProvider::GetPermissionsAiv1Handler() {
return permissions_aiv1_handler_.get();
}
#if BUILDFLAG(BUILD_WITH_TFLITE_LIB)
PredictionModelHandler*
PredictionModelHandlerProvider::GetPredictionModelHandler(
RequestType request_type) {
switch (request_type) {
case RequestType::kNotifications:
return notification_prediction_model_handler_.get();
case RequestType::kGeolocation:
return geolocation_prediction_model_handler_.get();
default:
NOTREACHED();
}
}
PermissionsAiv3Handler*
PredictionModelHandlerProvider::GetPermissionsAiv3Handler(
RequestType request_type) {
switch (request_type) {
case RequestType::kNotifications:
return notification_aiv3_handler_.get();
case RequestType::kGeolocation:
return geolocation_aiv3_handler_.get();
default:
NOTREACHED();
}
}
PermissionsAiv4Handler*
PredictionModelHandlerProvider::GetPermissionsAiv4Handler(
RequestType request_type) {
switch (request_type) {
case RequestType::kNotifications:
return notification_aiv4_handler_.get();
case RequestType::kGeolocation:
return geolocation_aiv4_handler_.get();
default:
NOTREACHED();
}
}
void PredictionModelHandlerProvider::set_permissions_aiv3_handler_for_testing(
RequestType request_type,
std::unique_ptr<PermissionsAiv3Handler> aiv3_handler) {
CHECK_IS_TEST();
switch (request_type) {
case RequestType::kNotifications:
notification_aiv3_handler_ = std::move(aiv3_handler);
break;
case RequestType::kGeolocation:
geolocation_aiv3_handler_ = std::move(aiv3_handler);
break;
default:
NOTREACHED();
}
}
void PredictionModelHandlerProvider::set_permissions_aiv4_handler_for_testing(
RequestType request_type,
std::unique_ptr<PermissionsAiv4Handler> aiv4_handler) {
CHECK_IS_TEST();
switch (request_type) {
case RequestType::kNotifications:
notification_aiv4_handler_ = std::move(aiv4_handler);
break;
case RequestType::kGeolocation:
geolocation_aiv4_handler_ = std::move(aiv4_handler);
break;
default:
NOTREACHED();
}
}
void PredictionModelHandlerProvider::set_passage_embedder_for_testing(
passage_embeddings::Embedder* passage_embedder) {
CHECK_IS_TEST();
passage_embedder_ = passage_embedder;
}
bool PredictionModelHandlerProvider::IsAiv4ModelAvailable() {
return base::FeatureList::IsEnabled(permissions::features::kPermissionsAIv4);
}
passage_embeddings::Embedder*
PredictionModelHandlerProvider::GetPassageEmbedder() {
return passage_embedder_;
}
#endif // BUILDFLAG(BUILD_WITH_TFLITE_LIB)
} // namespace permissions
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