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Side by Side Diff: chrome/common/extensions/api/experimental_system_info_storage.idl

Issue 18578008: [SystemInfo API] Move Storage API out of experimental namespace and rename to the "system" namespace (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 7 years, 5 months ago
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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.
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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