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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SEGMENTATION_PLATFORM_EMBEDDER_HOME_MODULES_EPHEMERAL_HOME_MODULE_BACKEND_H_
#define COMPONENTS_SEGMENTATION_PLATFORM_EMBEDDER_HOME_MODULES_EPHEMERAL_HOME_MODULE_BACKEND_H_
#include <memory>
#include "base/feature_list.h"
#include "base/memory/weak_ptr.h"
#include "components/segmentation_platform/embedder/home_modules/home_modules_card_registry.h"
#include "components/segmentation_platform/internal/metadata/feature_query.h"
#include "components/segmentation_platform/public/config.h"
#include "components/segmentation_platform/public/model_provider.h"
namespace segmentation_platform::home_modules {
// Model to predict whether the user belongs to EphemeralHomeModuleBackend
// segment.
class EphemeralHomeModuleBackend : public DefaultModelProvider {
public:
explicit EphemeralHomeModuleBackend(
base::WeakPtr<HomeModulesCardRegistry> home_modules_card_registry);
~EphemeralHomeModuleBackend() override;
EphemeralHomeModuleBackend(const EphemeralHomeModuleBackend&) = delete;
EphemeralHomeModuleBackend& operator=(const EphemeralHomeModuleBackend&) =
delete;
static std::unique_ptr<Config> GetConfig(
HomeModulesCardRegistry* home_modules_card_registry);
// ModelProvider implementation.
std::unique_ptr<ModelConfig> GetModelConfig() override;
void ExecuteModelWithInput(const ModelProvider::Request& inputs,
ExecutionCallback callback) override;
void set_home_modules_card_registry_for_testing(
HomeModulesCardRegistry* home_modules_card_registry) {
home_modules_card_registry_ = home_modules_card_registry->GetWeakPtr();
}
private:
base::WeakPtr<HomeModulesCardRegistry> home_modules_card_registry_;
};
// Test model for EphemeralHomeModuleBackend that uses same config, but just
// gives the card passed through the 'kEphemeralModuleBackendRankerTestOverride'
// commandline arg a top score.
class TestEphemeralHomeModuleBackend : public DefaultModelProvider {
public:
TestEphemeralHomeModuleBackend();
~TestEphemeralHomeModuleBackend() override = default;
TestEphemeralHomeModuleBackend(const TestEphemeralHomeModuleBackend&) =
delete;
TestEphemeralHomeModuleBackend& operator=(
const TestEphemeralHomeModuleBackend&) = delete;
static std::unique_ptr<Config> GetConfig();
// ModelProvider implementation.
std::unique_ptr<ModelConfig> GetModelConfig() override;
void ExecuteModelWithInput(const ModelProvider::Request& inputs,
ExecutionCallback callback) override;
};
} // namespace segmentation_platform::home_modules
#endif // COMPONENTS_SEGMENTATION_PLATFORM_EMBEDDER_HOME_MODULES_EPHEMERAL_HOME_MODULE_BACKEND_H_
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