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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.
#ifndef CHROME_BROWSER_ASH_FILE_SYSTEM_PROVIDER_OPERATION_REQUEST_MANAGER_H_
#define CHROME_BROWSER_ASH_FILE_SYSTEM_PROVIDER_OPERATION_REQUEST_MANAGER_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "base/files/file.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chrome/browser/ash/file_system_provider/notification_manager_interface.h"
#include "chrome/browser/ash/file_system_provider/request_manager.h"
#include "chrome/browser/ash/file_system_provider/request_value.h"
class Profile;
namespace ash::file_system_provider {
// Manages requests for provided file system operations by assigning them a
// request id and timing out slow requests. Note: Those requests are all
// requests that have a fileSystemId, which is all requests except
// onMountRequested, handled by another instance of RequestManager.
class OperationRequestManager : public RequestManager {
public:
// Creates a request manager for |profile| and |provider_id|. Note, that
// there is one instance per provided file system, thus potentially be
// multiple instances per provider.
OperationRequestManager(Profile* profile,
const std::string& provider_id,
NotificationManagerInterface* notification_manager,
base::TimeDelta timeout);
OperationRequestManager(const OperationRequestManager&) = delete;
OperationRequestManager& operator=(const OperationRequestManager&) = delete;
~OperationRequestManager() override;
// Indicate start/end of an operation that involves user interaction. As long
// as least one interaction is active, "unresponsive operation" notifications
// won't be shown. Not intended to be called directly, but via
// `ProvidedFileSystem::StartUserInteraction` instead.
void StartUserInteraction() { current_user_interactions_++; }
void EndUserInteraction() { current_user_interactions_--; }
private:
// Called when a request with |request_id| times out.
void OnRequestTimeout(int request_id) override;
// Checks whether there is an ongoing interaction between the provider
// and user.
bool IsInteractingWithUser() const;
std::string provider_id_;
int current_user_interactions_ = 0;
};
} // namespace ash::file_system_provider
#endif // CHROME_BROWSER_ASH_FILE_SYSTEM_PROVIDER_OPERATION_REQUEST_MANAGER_H_
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