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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_INIT_AWARE_MODEL_H_
#define COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_INIT_AWARE_MODEL_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <tuple>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "components/feature_engagement_tracker/internal/model.h"
namespace feature_engagement_tracker {
class InitAwareModel : public Model {
public:
InitAwareModel(std::unique_ptr<Model> model);
~InitAwareModel() override;
// Model implementation.
void Initialize(const OnModelInitializationFinished& callback,
uint32_t current_day) override;
bool IsReady() const override;
const Event* GetEvent(const std::string& event_name) const override;
void IncrementEvent(const std::string& event_name,
uint32_t current_day) override;
size_t GetQueuedEventCountForTesting();
private:
void OnInitializeComplete(const OnModelInitializationFinished& callback,
bool success);
std::unique_ptr<Model> model_;
std::vector<std::tuple<std::string, uint32_t>> queued_events_;
// Whether the initialization has completed. This will be set to true once
// the underlying model has been initialized, regardless of whether the
// result was a success or not.
bool initialization_complete_;
base::WeakPtrFactory<InitAwareModel> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(InitAwareModel);
};
} // namespace feature_engagement_tracker
#endif // COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_INIT_AWARE_MODEL_H_
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