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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_STORAGE_MONITOR_REMOVABLE_DEVICE_NOTIFICATIONS_MAC_H_ | |
6 #define CHROME_BROWSER_STORAGE_MONITOR_REMOVABLE_DEVICE_NOTIFICATIONS_MAC_H_ | |
7 | |
8 #include <DiskArbitration/DiskArbitration.h> | |
9 #include <map> | |
10 | |
11 #include "base/mac/scoped_cftyperef.h" | |
12 #include "base/memory/ref_counted.h" | |
13 #include "chrome/browser/storage_monitor/disk_info_mac.h" | |
14 #include "chrome/browser/storage_monitor/storage_monitor.h" | |
15 | |
16 namespace chrome { | |
17 | |
18 // This class posts notifications to listeners when a new disk | |
19 // is attached, removed, or changed. | |
20 class RemovableDeviceNotificationsMac | |
21 : public StorageMonitor, | |
22 public base::RefCountedThreadSafe<RemovableDeviceNotificationsMac> { | |
23 public: | |
24 enum UpdateType { | |
25 UPDATE_DEVICE_ADDED, | |
26 UPDATE_DEVICE_CHANGED, | |
27 UPDATE_DEVICE_REMOVED, | |
28 }; | |
29 | |
30 // Should only be called by browser start up code. Use GetInstance() instead. | |
31 RemovableDeviceNotificationsMac(); | |
32 | |
33 void UpdateDisk(const DiskInfoMac& info, UpdateType update_type); | |
34 | |
35 virtual bool GetStorageInfoForPath( | |
36 const base::FilePath& path, | |
37 StorageInfo* device_info) const OVERRIDE; | |
38 | |
39 // Returns the storage size of the device present at |location|. If the | |
40 // device information is unavailable, returns zero. |location| must be a | |
41 // top-level mount point. | |
42 virtual uint64 GetStorageSize(const std::string& location) const OVERRIDE; | |
43 | |
44 private: | |
45 friend class base::RefCountedThreadSafe<RemovableDeviceNotificationsMac>; | |
46 virtual ~RemovableDeviceNotificationsMac(); | |
47 | |
48 static void DiskAppearedCallback(DADiskRef disk, void* context); | |
49 static void DiskDisappearedCallback(DADiskRef disk, void* context); | |
50 static void DiskDescriptionChangedCallback(DADiskRef disk, | |
51 CFArrayRef keys, | |
52 void *context); | |
53 | |
54 bool ShouldPostNotificationForDisk(const DiskInfoMac& info) const; | |
55 bool FindDiskWithMountPoint(const base::FilePath& mount_point, | |
56 DiskInfoMac* info) const; | |
57 | |
58 base::mac::ScopedCFTypeRef<DASessionRef> session_; | |
59 // Maps disk bsd names to disk info objects. This map tracks all mountable | |
60 // devices on the system though only notifications for removable devices are | |
61 // posted. | |
62 std::map<std::string, DiskInfoMac> disk_info_map_; | |
63 | |
64 DISALLOW_COPY_AND_ASSIGN(RemovableDeviceNotificationsMac); | |
65 }; | |
66 | |
67 } // namespace chrome | |
68 | |
69 #endif // CHROME_BROWSER_STORAGE_MONITOR_REMOVABLE_DEVICE_NOTIFICATIONS_MAC_H_ | |
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