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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 STORAGE_BROWSER_QUOTA_SPECIAL_STORAGE_POLICY_H_ | 5 #ifndef STORAGE_BROWSER_QUOTA_SPECIAL_STORAGE_POLICY_H_ |
6 #define STORAGE_BROWSER_QUOTA_SPECIAL_STORAGE_POLICY_H_ | 6 #define STORAGE_BROWSER_QUOTA_SPECIAL_STORAGE_POLICY_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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44 | 44 |
45 // Protected storage is not subject to removal by the browsing data remover. | 45 // Protected storage is not subject to removal by the browsing data remover. |
46 virtual bool IsStorageProtected(const GURL& origin) = 0; | 46 virtual bool IsStorageProtected(const GURL& origin) = 0; |
47 | 47 |
48 // Unlimited storage is not subject to quota or storage pressure eviction. | 48 // Unlimited storage is not subject to quota or storage pressure eviction. |
49 virtual bool IsStorageUnlimited(const GURL& origin) = 0; | 49 virtual bool IsStorageUnlimited(const GURL& origin) = 0; |
50 | 50 |
51 // Durable storage is not subject to storage pressure eviction. | 51 // Durable storage is not subject to storage pressure eviction. |
52 virtual bool IsStorageDurable(const GURL& origin) = 0; | 52 virtual bool IsStorageDurable(const GURL& origin) = 0; |
53 | 53 |
54 // Some origins (e.g. installed apps) have access to the size of the remaining | |
55 // disk capacity. | |
56 virtual bool CanQueryDiskSize(const GURL& origin) = 0; | |
57 | |
58 // Checks if the origin contains per-site isolated storage. | 54 // Checks if the origin contains per-site isolated storage. |
59 virtual bool HasIsolatedStorage(const GURL& origin) = 0; | 55 virtual bool HasIsolatedStorage(const GURL& origin) = 0; |
60 | 56 |
61 // Some origins are only allowed to store session-only data which is deleted | 57 // Some origins are only allowed to store session-only data which is deleted |
62 // when the session ends. | 58 // when the session ends. |
63 virtual bool IsStorageSessionOnly(const GURL& origin) = 0; | 59 virtual bool IsStorageSessionOnly(const GURL& origin) = 0; |
64 | 60 |
65 // Returns true if some origins are only allowed session-only storage. | 61 // Returns true if some origins are only allowed session-only storage. |
66 virtual bool HasSessionOnlyOrigins() = 0; | 62 virtual bool HasSessionOnlyOrigins() = 0; |
67 | 63 |
68 // Adds/removes an observer, the policy does not take | 64 // Adds/removes an observer, the policy does not take |
69 // ownership of the observer. Should only be called on the IO thread. | 65 // ownership of the observer. Should only be called on the IO thread. |
70 void AddObserver(Observer* observer); | 66 void AddObserver(Observer* observer); |
71 void RemoveObserver(Observer* observer); | 67 void RemoveObserver(Observer* observer); |
72 | 68 |
73 protected: | 69 protected: |
74 friend class base::RefCountedThreadSafe<SpecialStoragePolicy>; | 70 friend class base::RefCountedThreadSafe<SpecialStoragePolicy>; |
75 virtual ~SpecialStoragePolicy(); | 71 virtual ~SpecialStoragePolicy(); |
76 void NotifyGranted(const GURL& origin, int change_flags); | 72 void NotifyGranted(const GURL& origin, int change_flags); |
77 void NotifyRevoked(const GURL& origin, int change_flags); | 73 void NotifyRevoked(const GURL& origin, int change_flags); |
78 void NotifyCleared(); | 74 void NotifyCleared(); |
79 | 75 |
80 base::ObserverList<Observer> observers_; | 76 base::ObserverList<Observer> observers_; |
81 }; | 77 }; |
82 | 78 |
83 } // namespace storage | 79 } // namespace storage |
84 | 80 |
85 #endif // STORAGE_BROWSER_QUOTA_SPECIAL_STORAGE_POLICY_H_ | 81 #endif // STORAGE_BROWSER_QUOTA_SPECIAL_STORAGE_POLICY_H_ |
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