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// Copyright 2014 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_STORAGE_MONITOR_STORAGE_MONITOR_MAC_H_
#define COMPONENTS_STORAGE_MONITOR_STORAGE_MONITOR_MAC_H_
#include <DiskArbitration/DiskArbitration.h>
#include <map>
#include <memory>
#include "base/apple/scoped_cftyperef.h"
#include "base/component_export.h"
#include "base/memory/weak_ptr.h"
#include "components/storage_monitor/storage_monitor.h"
namespace storage_monitor {
class ImageCaptureDeviceManager;
// This class posts notifications to listeners when a new disk
// is attached, removed, or changed.
class COMPONENT_EXPORT(STORAGE_MONITOR) StorageMonitorMac final
: public StorageMonitor {
public:
enum UpdateType {
UPDATE_DEVICE_ADDED,
UPDATE_DEVICE_CHANGED,
UPDATE_DEVICE_REMOVED,
};
// Should only be called by browser start up code. Use GetInstance() instead.
StorageMonitorMac();
StorageMonitorMac(const StorageMonitorMac&) = delete;
StorageMonitorMac& operator=(const StorageMonitorMac&) = delete;
~StorageMonitorMac() override;
void Init() override;
void UpdateDisk(UpdateType update_type,
std::string* bsd_name,
const StorageInfo& info);
bool GetStorageInfoForPath(const base::FilePath& path,
StorageInfo* device_info) const override;
void EjectDevice(const std::string& device_id,
base::OnceCallback<void(EjectStatus)> callback) override;
private:
static void DiskAppearedCallback(DADiskRef disk, void* context);
static void DiskDisappearedCallback(DADiskRef disk, void* context);
static void DiskDescriptionChangedCallback(DADiskRef disk,
CFArrayRef keys,
void* context);
void GetDiskInfoAndUpdate(DADiskRef disk, UpdateType update_type);
bool ShouldPostNotificationForDisk(const StorageInfo& info) const;
bool FindDiskWithMountPoint(const base::FilePath& mount_point,
StorageInfo* info) const;
base::apple::ScopedCFTypeRef<DASessionRef> session_;
// Maps disk bsd names to disk info objects. This map tracks all mountable
// devices on the system, though only notifications for removable devices are
// posted.
std::map<std::string, StorageInfo> disk_info_map_;
int pending_disk_updates_ = 0;
std::unique_ptr<ImageCaptureDeviceManager> image_capture_device_manager_;
base::WeakPtrFactory<StorageMonitorMac> weak_ptr_factory_{this};
};
} // namespace storage_monitor
#endif // COMPONENTS_STORAGE_MONITOR_STORAGE_MONITOR_MAC_H_
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