OLD | NEW |
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 CONTENT_BROWSER_RENDERER_HOST_PEPPER_QUOTA_RESERVATION_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_PEPPER_QUOTA_RESERVATION_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_QUOTA_RESERVATION_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_QUOTA_RESERVATION_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/platform_file.h" | 12 #include "base/platform_file.h" |
13 #include "content/common/content_export.h" | 13 #include "content/common/content_export.h" |
14 #include "ppapi/c/pp_stdint.h" // For int64_t on Windows. | 14 #include "ppapi/c/pp_stdint.h" // For int64_t on Windows. |
15 #include "url/gurl.h" | 15 #include "url/gurl.h" |
16 #include "webkit/browser/fileapi/file_system_context.h" | 16 #include "webkit/browser/fileapi/file_system_context.h" |
17 | 17 |
18 namespace base { | |
19 class FilePath; | |
20 } | |
21 | |
22 namespace fileapi { | 18 namespace fileapi { |
| 19 class FileSystemURL; |
23 class OpenFileHandle; | 20 class OpenFileHandle; |
24 class QuotaReservation; | 21 class QuotaReservation; |
25 } | 22 } |
26 | 23 |
27 namespace content { | 24 namespace content { |
28 | 25 |
29 struct QuotaReservationDeleter; | 26 struct QuotaReservationDeleter; |
30 | 27 |
31 // This class holds a QuotaReservation and manages OpenFileHandles for checking | 28 // This class holds a QuotaReservation and manages OpenFileHandles for checking |
32 // quota. It should be created, used, and destroyed on a FileSystemContext's | 29 // quota. It should be created, used, and destroyed on a FileSystemContext's |
33 // default_file_task_runner() instance. This is a RefCountedThreadSafe object | 30 // default_file_task_runner() instance. This is a RefCountedThreadSafe object |
34 // because it needs to be passed to the file thread and kept alive during | 31 // because it needs to be passed to the file thread and kept alive during |
35 // potentially long-running quota operations. | 32 // potentially long-running quota operations. |
36 class CONTENT_EXPORT QuotaReservation | 33 class CONTENT_EXPORT QuotaReservation |
37 : public base::RefCountedThreadSafe<QuotaReservation, | 34 : public base::RefCountedThreadSafe<QuotaReservation, |
38 QuotaReservationDeleter> { | 35 QuotaReservationDeleter> { |
39 public: | 36 public: |
40 // Static method to facilitate construction on the file task runner. | 37 // Static method to facilitate construction on the file task runner. |
41 static scoped_refptr<QuotaReservation> Create( | 38 static scoped_refptr<QuotaReservation> Create( |
42 scoped_refptr<fileapi::FileSystemContext> file_system_context, | 39 scoped_refptr<fileapi::FileSystemContext> file_system_context, |
43 const GURL& origin_url, | 40 const GURL& origin_url, |
44 fileapi::FileSystemType file_system_type); | 41 fileapi::FileSystemType file_system_type); |
45 | 42 |
46 // Opens a file with the given id and path and returns its current size. | 43 // Opens a file with the given id and path and returns its current size. |
47 int64_t OpenFile(int32_t id, const base::FilePath& file_path); | 44 int64_t OpenFile(int32_t id, const fileapi::FileSystemURL& url); |
48 // Closes the file opened by OpenFile with the given id. | 45 // Closes the file opened by OpenFile with the given id. |
49 void CloseFile(int32_t id, int64_t max_written_offset); | 46 void CloseFile(int32_t id, int64_t max_written_offset); |
50 // Refreshes the quota reservation to a new amount. A map that associates file | 47 // Refreshes the quota reservation to a new amount. A map that associates file |
51 // ids with maximum written offsets is provided as input. The callback will | 48 // ids with maximum written offsets is provided as input. The callback will |
52 // receive a similar map with the updated file sizes. | 49 // receive a similar map with the updated file sizes. |
53 typedef std::map<int32_t, int64_t> OffsetMap; | 50 typedef std::map<int32_t, int64_t> OffsetMap; |
54 typedef base::Callback<void(int64_t, const OffsetMap&)> ReserveQuotaCallback; | 51 typedef base::Callback<void(int64_t, const OffsetMap&)> ReserveQuotaCallback; |
55 void ReserveQuota(int64_t amount, | 52 void ReserveQuota(int64_t amount, |
56 const OffsetMap& max_written_offsets, | 53 const OffsetMap& max_written_offsets, |
57 const ReserveQuotaCallback& callback); | 54 const ReserveQuotaCallback& callback); |
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
96 | 93 |
97 struct QuotaReservationDeleter { | 94 struct QuotaReservationDeleter { |
98 static void Destruct(const QuotaReservation* quota_reservation) { | 95 static void Destruct(const QuotaReservation* quota_reservation) { |
99 quota_reservation->DeleteOnCorrectThread(); | 96 quota_reservation->DeleteOnCorrectThread(); |
100 } | 97 } |
101 }; | 98 }; |
102 | 99 |
103 } // namespace content | 100 } // namespace content |
104 | 101 |
105 #endif // CONTENT_BROWSER_RENDERER_HOST_PEPPER_QUOTA_RESERVATION_H_ | 102 #endif // CONTENT_BROWSER_RENDERER_HOST_PEPPER_QUOTA_RESERVATION_H_ |
OLD | NEW |