[go: nahoru, domu]

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// Copyright 2020 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_NEARBY_SHARING_PAYLOAD_TRACKER_H_
#define CHROME_BROWSER_NEARBY_SHARING_PAYLOAD_TRACKER_H_
#include "base/containers/flat_map.h"
#include "base/functional/callback_forward.h"
#include "base/time/time.h"
#include "chrome/browser/nearby_sharing/attachment_info.h"
#include "chrome/browser/nearby_sharing/public/cpp/nearby_connections_manager.h"
#include "chrome/browser/nearby_sharing/share_target.h"
#include "chrome/browser/nearby_sharing/transfer_metadata.h"
#include "chromeos/ash/services/nearby/public/mojom/nearby_connections_types.mojom.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
// Listens for incoming or outgoing transfer updates from Nearby Connections and
// forwards the transfer progress to the |update_callback|.
class PayloadTracker : public NearbyConnectionsManager::PayloadStatusListener {
public:
PayloadTracker(
const ShareTarget& share_target,
const base::flat_map<int64_t, AttachmentInfo>& attachment_info_map,
base::RepeatingCallback<void(ShareTarget, TransferMetadata)>
update_callback);
~PayloadTracker() override;
// NearbyConnectionsManager::PayloadStatusListener:
void OnStatusUpdate(PayloadTransferUpdatePtr update,
absl::optional<Medium> upgraded_medium) override;
private:
struct State {
explicit State(int64_t total_size) : total_size(total_size) {}
~State() = default;
uint64_t amount_transferred = 0;
const uint64_t total_size;
nearby::connections::mojom::PayloadStatus status =
nearby::connections::mojom::PayloadStatus::kInProgress;
};
void OnTransferUpdate();
bool IsComplete() const;
bool IsCancelled() const;
bool HasFailed() const;
uint64_t GetTotalTransferred() const;
double CalculateProgressPercent() const;
void EmitFinalMetrics(nearby::connections::mojom::PayloadStatus status) const;
ShareTarget share_target_;
base::RepeatingCallback<void(ShareTarget, TransferMetadata)> update_callback_;
// Map of payload id to state of payload.
std::map<int64_t, State> payload_state_;
uint64_t total_transfer_size_;
int last_update_progress_ = 0;
base::Time last_update_timestamp_;
// For metrics.
size_t num_text_attachments_ = 0;
size_t num_file_attachments_ = 0;
size_t num_wifi_credentials_attachments_ = 0;
uint64_t num_first_update_bytes_ = 0;
absl::optional<base::TimeTicks> first_update_timestamp_;
absl::optional<Medium> last_upgraded_medium_;
};
#endif // CHROME_BROWSER_NEARBY_SHARING_PAYLOAD_TRACKER_H_