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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #ifndef WEBKIT_BROWSER_QUOTA_STORAGE_OBSERVER_H_ | 5 #ifndef WEBKIT_BROWSER_QUOTA_STORAGE_OBSERVER_H_ |
6 #define WEBKIT_BROWSER_QUOTA_STORAGE_OBSERVER_H_ | 6 #define WEBKIT_BROWSER_QUOTA_STORAGE_OBSERVER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
10 #include "url/gurl.h" | 10 #include "url/gurl.h" |
11 #include "webkit/browser/quota/quota_client.h" | 11 #include "storage/browser/quota/quota_client.h" |
12 #include "webkit/common/quota/quota_types.h" | 12 #include "storage/common/quota/quota_types.h" |
13 | 13 |
14 namespace quota { | 14 namespace quota { |
15 | 15 |
16 // This interface is implemented by observers that wish to monitor storage | 16 // This interface is implemented by observers that wish to monitor storage |
17 // events, such as changes in quota or usage. | 17 // events, such as changes in quota or usage. |
18 class WEBKIT_STORAGE_BROWSER_EXPORT StorageObserver { | 18 class STORAGE_EXPORT StorageObserver { |
19 public: | 19 public: |
20 struct WEBKIT_STORAGE_BROWSER_EXPORT Filter { | 20 struct STORAGE_EXPORT Filter { |
21 // The storage type to monitor. This must not be kStorageTypeUnknown or | 21 // The storage type to monitor. This must not be kStorageTypeUnknown or |
22 // kStorageTypeQuotaNotManaged. | 22 // kStorageTypeQuotaNotManaged. |
23 StorageType storage_type; | 23 StorageType storage_type; |
24 | 24 |
25 // The origin to monitor usage for. Must be specified. | 25 // The origin to monitor usage for. Must be specified. |
26 GURL origin; | 26 GURL origin; |
27 | 27 |
28 Filter(); | 28 Filter(); |
29 Filter(StorageType storage_type, const GURL& origin); | 29 Filter(StorageType storage_type, const GURL& origin); |
30 bool operator==(const Filter& other) const; | 30 bool operator==(const Filter& other) const; |
31 }; | 31 }; |
32 | 32 |
33 struct WEBKIT_STORAGE_BROWSER_EXPORT MonitorParams { | 33 struct STORAGE_EXPORT MonitorParams { |
34 // Storage type and origin to monitor. | 34 // Storage type and origin to monitor. |
35 Filter filter; | 35 Filter filter; |
36 | 36 |
37 // The rate at which storage events will be fired. Events will be fired at | 37 // The rate at which storage events will be fired. Events will be fired at |
38 // approximately this rate, or when a storage status change has been | 38 // approximately this rate, or when a storage status change has been |
39 // detected, whichever is the least frequent. | 39 // detected, whichever is the least frequent. |
40 base::TimeDelta rate; | 40 base::TimeDelta rate; |
41 | 41 |
42 // If set to true, the observer will be dispatched an event when added. | 42 // If set to true, the observer will be dispatched an event when added. |
43 bool dispatch_initial_state; | 43 bool dispatch_initial_state; |
44 | 44 |
45 MonitorParams(); | 45 MonitorParams(); |
46 MonitorParams(StorageType storage_type, | 46 MonitorParams(StorageType storage_type, |
47 const GURL& origin, | 47 const GURL& origin, |
48 const base::TimeDelta& rate, | 48 const base::TimeDelta& rate, |
49 bool get_initial_state); | 49 bool get_initial_state); |
50 MonitorParams(const Filter& filter, | 50 MonitorParams(const Filter& filter, |
51 const base::TimeDelta& rate, | 51 const base::TimeDelta& rate, |
52 bool get_initial_state); | 52 bool get_initial_state); |
53 }; | 53 }; |
54 | 54 |
55 struct WEBKIT_STORAGE_BROWSER_EXPORT Event { | 55 struct STORAGE_EXPORT Event { |
56 // The storage type and origin monitored. | 56 // The storage type and origin monitored. |
57 Filter filter; | 57 Filter filter; |
58 | 58 |
59 // The current usage corresponding to the filter. | 59 // The current usage corresponding to the filter. |
60 int64 usage; | 60 int64 usage; |
61 | 61 |
62 // The quota corresponding to the filter. | 62 // The quota corresponding to the filter. |
63 int64 quota; | 63 int64 quota; |
64 | 64 |
65 Event(); | 65 Event(); |
66 Event(const Filter& filter, int64 usage, int64 quota); | 66 Event(const Filter& filter, int64 usage, int64 quota); |
67 bool operator==(const Event& other) const; | 67 bool operator==(const Event& other) const; |
68 }; | 68 }; |
69 | 69 |
70 // Will be called on the IO thread when a storage event occurs. | 70 // Will be called on the IO thread when a storage event occurs. |
71 virtual void OnStorageEvent(const Event& event) = 0; | 71 virtual void OnStorageEvent(const Event& event) = 0; |
72 | 72 |
73 protected: | 73 protected: |
74 virtual ~StorageObserver() {} | 74 virtual ~StorageObserver() {} |
75 }; | 75 }; |
76 | 76 |
77 } // namespace quota | 77 } // namespace quota |
78 | 78 |
79 #endif // WEBKIT_BROWSER_QUOTA_STORAGE_OBSERVER_H_ | 79 #endif // WEBKIT_BROWSER_QUOTA_STORAGE_OBSERVER_H_ |
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