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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Use the <code>chrome.experimental.systemInfo.storage</code> API to query | 5 // Use the <code>chrome.experimental.systemInfo.storage</code> API to query |
| 6 // storage device information and be notified when it changes. | 6 // storage device information and be notified when it changes. |
| 7 namespace experimental.systemInfo.storage { | 7 namespace experimental.systemInfo.storage { |
| 8 | 8 |
| 9 enum StorageUnitType { | 9 enum StorageUnitType { |
|
Hongbo Min
2013/07/08 06:52:43
nit: Now we can remove StorageUnitType definition.
Haojian Wu
2013/07/08 07:46:30
Done.
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| 10 // The storage has fixed media, e.g. hard disk or SSD. | 10 // The storage has fixed media, e.g. hard disk or SSD. |
| 11 fixed, | 11 fixed, |
| 12 // The storage is removable, e.g. USB flash drive. | 12 // The storage is removable, e.g. USB flash drive. |
| 13 removable, | 13 removable, |
| 14 // The storage type is unknown. | 14 // The storage type is unknown. |
| 15 unknown | 15 unknown |
| 16 }; | 16 }; |
| 17 | 17 |
| 18 dictionary StorageUnitInfo { | |
| 19 // The unique storage id. It will use the transient ID. | |
| 20 DOMString id; | |
| 21 // The name of the storage unit. | |
| 22 DOMString name; | |
| 23 // The media type of the storage unit. | |
| 24 StorageUnitType type; | |
| 25 // The total amount of the storage space, in bytes. | |
| 26 // Default value is 0 if query operation fails. | |
| 27 double capacity; | |
| 28 // The available amount of the storage space, in bytes. | |
| 29 // Default value is 0 if query operation fails. | |
| 30 double availableCapacity; | |
| 31 }; | |
| 32 | |
| 33 dictionary StorageFreeSpaceChangeInfo { | 18 dictionary StorageFreeSpaceChangeInfo { |
| 34 // The transient id of the storage unit already changed. | 19 // The transient id of the storage unit already changed. |
| 35 DOMString id; | 20 DOMString id; |
| 36 // The new value of the available capacity. | 21 // The new value of the available capacity. |
| 37 double availableCapacity; | 22 double availableCapacity; |
| 38 }; | 23 }; |
| 39 | 24 |
| 40 // A dictionary that describes the add particular storage device watch | 25 // A dictionary that describes the add particular storage device watch |
| 41 // request results. | 26 // request results. |
| 42 dictionary AddWatchResult { | 27 dictionary AddWatchResult { |
| 43 DOMString id; | 28 DOMString id; |
| 44 boolean success; | 29 boolean success; |
| 45 }; | 30 }; |
| 46 | 31 |
| 47 callback StorageInfoCallback = void (StorageUnitInfo[] info); | |
| 48 | |
| 49 callback AddWatchCallback = void (AddWatchResult info); | 32 callback AddWatchCallback = void (AddWatchResult info); |
| 50 | 33 |
| 51 callback GetAllWatchCallback = void (DOMString[] storageIds); | 34 callback GetAllWatchCallback = void (DOMString[] storageIds); |
| 52 | 35 |
| 53 interface Functions { | 36 interface Functions { |
| 54 // Get the storage information from the system. The argument passed to the | |
| 55 // callback is an array of StorageUnitInfo objects. | |
| 56 static void get(StorageInfoCallback callback); | |
| 57 | |
| 58 // Monitor a particular storage device available change capacity. | 37 // Monitor a particular storage device available change capacity. |
| 59 static void addWatch(DOMString id, AddWatchCallback callback); | 38 static void addWatch(DOMString id, AddWatchCallback callback); |
| 60 | 39 |
| 61 // Remove the monitor of a particular device. | 40 // Remove the monitor of a particular device. |
| 62 static void removeWatch(DOMString id); | 41 static void removeWatch(DOMString id); |
| 63 | 42 |
| 64 // Get all the watched storage devices. | 43 // Get all the watched storage devices. |
| 65 static void getAllWatch(GetAllWatchCallback callback); | 44 static void getAllWatch(GetAllWatchCallback callback); |
| 66 | 45 |
| 67 // Remove all the storage devices monitors. | 46 // Remove all the storage devices monitors. |
| 68 static void removeAllWatch(); | 47 static void removeAllWatch(); |
| 69 }; | 48 }; |
| 70 | 49 |
| 71 interface Events { | 50 interface Events { |
| 72 // Fired when the storage device available capacity is changed. | 51 // Fired when the storage device available capacity is changed. |
| 73 // |info|: The changed information for the specified storage unit. | 52 // |info|: The changed information for the specified storage unit. |
| 74 static void onAvailableCapacityChanged(StorageFreeSpaceChangeInfo info); | 53 static void onAvailableCapacityChanged(StorageFreeSpaceChangeInfo info); |
|
Hongbo Min
2013/07/08 06:52:43
Maybe here we need to add 'getAvailableCapacity' f
Haojian Wu
2013/07/08 07:46:30
Yes. My plan is to implement the 'getAvailableCapa
| |
| 75 | |
| 76 // Fired when a new removable storage is attached to the system. | |
| 77 static void onAttached(StorageUnitInfo info); | |
| 78 | |
| 79 // Fired when a removable storage is detached from the system. | |
| 80 static void onDetached(DOMString id); | |
| 81 }; | 54 }; |
| 82 | |
| 83 }; | 55 }; |
| 84 | 56 |
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