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Side by Side Diff: chrome/browser/sync_file_system/drive_backend_v1/drive_metadata_store.h

Issue 442383002: Move storage-related files from webkit/ to new top-level directory storage/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 months ago
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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 CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_DRIVE_METADATA_STORE_H_ 5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_DRIVE_METADATA_STORE_H_
6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_DRIVE_METADATA_STORE_H_ 6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_DRIVE_METADATA_STORE_H_
7 7
8 #include <map> 8 #include <map>
9 #include <string> 9 #include <string>
10 #include <utility> 10 #include <utility>
11 #include <vector> 11 #include <vector>
12 12
13 #include "base/callback_forward.h" 13 #include "base/callback_forward.h"
14 #include "base/files/file_path.h" 14 #include "base/files/file_path.h"
15 #include "base/logging.h" 15 #include "base/logging.h"
16 #include "base/memory/scoped_ptr.h" 16 #include "base/memory/scoped_ptr.h"
17 #include "base/memory/weak_ptr.h" 17 #include "base/memory/weak_ptr.h"
18 #include "base/threading/non_thread_safe.h" 18 #include "base/threading/non_thread_safe.h"
19 #include "chrome/browser/sync_file_system/sync_callbacks.h" 19 #include "chrome/browser/sync_file_system/sync_callbacks.h"
20 #include "chrome/browser/sync_file_system/sync_status_code.h" 20 #include "chrome/browser/sync_file_system/sync_status_code.h"
21 #include "webkit/browser/fileapi/file_system_url.h" 21 #include "storage/browser/fileapi/file_system_url.h"
22 22
23 namespace base { 23 namespace base {
24 class ListValue; 24 class ListValue;
25 class SequencedTaskRunner; 25 class SequencedTaskRunner;
26 } 26 }
27 27
28 namespace leveldb { 28 namespace leveldb {
29 class DB; 29 class DB;
30 class WriteBatch; 30 class WriteBatch;
31 } 31 }
32 32
33 class GURL; 33 class GURL;
34 34
35 namespace sync_file_system { 35 namespace sync_file_system {
36 36
37 class DriveMetadata; 37 class DriveMetadata;
38 struct DBContents; 38 struct DBContents;
39 struct FileMetadata; 39 struct FileMetadata;
40 40
41 // This class holds a snapshot of the server side metadata. 41 // This class holds a snapshot of the server side metadata.
42 class DriveMetadataStore 42 class DriveMetadataStore
43 : public base::NonThreadSafe, 43 : public base::NonThreadSafe,
44 public base::SupportsWeakPtr<DriveMetadataStore> { 44 public base::SupportsWeakPtr<DriveMetadataStore> {
45 public: 45 public:
46 typedef std::map<GURL, std::string> ResourceIdByOrigin; 46 typedef std::map<GURL, std::string> ResourceIdByOrigin;
47 typedef std::map<std::string, GURL> OriginByResourceId; 47 typedef std::map<std::string, GURL> OriginByResourceId;
48 typedef std::map<base::FilePath, DriveMetadata> PathToMetadata; 48 typedef std::map<base::FilePath, DriveMetadata> PathToMetadata;
49 typedef std::map<GURL, PathToMetadata> MetadataMap; 49 typedef std::map<GURL, PathToMetadata> MetadataMap;
50 typedef std::vector<std::pair<fileapi::FileSystemURL, DriveMetadata> > 50 typedef std::vector<std::pair<storage::FileSystemURL, DriveMetadata> >
51 URLAndDriveMetadataList; 51 URLAndDriveMetadataList;
52 typedef base::Callback<void(SyncStatusCode status, bool created)> 52 typedef base::Callback<void(SyncStatusCode status, bool created)>
53 InitializationCallback; 53 InitializationCallback;
54 54
55 static const base::FilePath::CharType kDatabaseName[]; 55 static const base::FilePath::CharType kDatabaseName[];
56 56
57 DriveMetadataStore(const base::FilePath& base_dir, 57 DriveMetadataStore(const base::FilePath& base_dir,
58 base::SequencedTaskRunner* file_task_runner); 58 base::SequencedTaskRunner* file_task_runner);
59 ~DriveMetadataStore(); 59 ~DriveMetadataStore();
60 60
61 // Initializes the internal database and loads its content to memory. 61 // Initializes the internal database and loads its content to memory.
62 // This function works asynchronously. 62 // This function works asynchronously.
63 void Initialize(const InitializationCallback& callback); 63 void Initialize(const InitializationCallback& callback);
64 64
65 void SetLargestChangeStamp(int64 largest_changestamp, 65 void SetLargestChangeStamp(int64 largest_changestamp,
66 const SyncStatusCallback& callback); 66 const SyncStatusCallback& callback);
67 int64 GetLargestChangeStamp() const; 67 int64 GetLargestChangeStamp() const;
68 68
69 // Updates database entry. Invokes |callback|, upon completion. 69 // Updates database entry. Invokes |callback|, upon completion.
70 void UpdateEntry(const fileapi::FileSystemURL& url, 70 void UpdateEntry(const storage::FileSystemURL& url,
71 const DriveMetadata& metadata, 71 const DriveMetadata& metadata,
72 const SyncStatusCallback& callback); 72 const SyncStatusCallback& callback);
73 73
74 // Deletes database entry for |url|. Invokes |callback|, upon completion. 74 // Deletes database entry for |url|. Invokes |callback|, upon completion.
75 void DeleteEntry(const fileapi::FileSystemURL& url, 75 void DeleteEntry(const storage::FileSystemURL& url,
76 const SyncStatusCallback& callback); 76 const SyncStatusCallback& callback);
77 77
78 // Lookups and reads the database entry for |url|. 78 // Lookups and reads the database entry for |url|.
79 SyncStatusCode ReadEntry(const fileapi::FileSystemURL& url, 79 SyncStatusCode ReadEntry(const storage::FileSystemURL& url,
80 DriveMetadata* metadata) const; 80 DriveMetadata* metadata) const;
81 81
82 // Marks |origin| as incremental sync and associates it with the directory 82 // Marks |origin| as incremental sync and associates it with the directory
83 // identified by |resource_id|. 83 // identified by |resource_id|.
84 // |origin| must not already be an incremental sync origin. 84 // |origin| must not already be an incremental sync origin.
85 void AddIncrementalSyncOrigin(const GURL& origin, 85 void AddIncrementalSyncOrigin(const GURL& origin,
86 const std::string& resource_id); 86 const std::string& resource_id);
87 87
88 // Returns true if |origin| is an incremental sync or disabled origin. 88 // Returns true if |origin| is an incremental sync or disabled origin.
89 bool IsKnownOrigin(const GURL& origin) const; 89 bool IsKnownOrigin(const GURL& origin) const;
(...skipping 15 matching lines...) Expand all
105 void RemoveOrigin(const GURL& origin, 105 void RemoveOrigin(const GURL& origin,
106 const SyncStatusCallback& callback); 106 const SyncStatusCallback& callback);
107 107
108 // Sets the directory identified by |resource_id| as the sync data directory. 108 // Sets the directory identified by |resource_id| as the sync data directory.
109 // All data for the Sync FileSystem should be store into the directory. 109 // All data for the Sync FileSystem should be store into the directory.
110 void SetSyncRootDirectory(const std::string& resource_id); 110 void SetSyncRootDirectory(const std::string& resource_id);
111 void SetOriginRootDirectory(const GURL& origin, 111 void SetOriginRootDirectory(const GURL& origin,
112 const std::string& resource_id); 112 const std::string& resource_id);
113 113
114 // Returns a set of URLs for files in conflict. 114 // Returns a set of URLs for files in conflict.
115 SyncStatusCode GetConflictURLs( 115 SyncStatusCode GetConflictURLs(storage::FileSystemURLSet* urls) const;
116 fileapi::FileSystemURLSet* urls) const;
117 116
118 // Returns a set of URLs and Resource IDs for files to be fetched. 117 // Returns a set of URLs and Resource IDs for files to be fetched.
119 SyncStatusCode GetToBeFetchedFiles(URLAndDriveMetadataList* list) const; 118 SyncStatusCode GetToBeFetchedFiles(URLAndDriveMetadataList* list) const;
120 119
121 // Returns resource id for |origin|. 120 // Returns resource id for |origin|.
122 // This may return an empty string if |origin| is not a incremental or 121 // This may return an empty string if |origin| is not a incremental or
123 // disabled origin. 122 // disabled origin.
124 std::string GetResourceIdForOrigin(const GURL& origin) const; 123 std::string GetResourceIdForOrigin(const GURL& origin) const;
125 124
126 const std::string& sync_root_directory() const { 125 const std::string& sync_root_directory() const {
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after
176 ResourceIdByOrigin disabled_origins_; 175 ResourceIdByOrigin disabled_origins_;
177 176
178 OriginByResourceId origin_by_resource_id_; 177 OriginByResourceId origin_by_resource_id_;
179 178
180 DISALLOW_COPY_AND_ASSIGN(DriveMetadataStore); 179 DISALLOW_COPY_AND_ASSIGN(DriveMetadataStore);
181 }; 180 };
182 181
183 } // namespace sync_file_system 182 } // namespace sync_file_system
184 183
185 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_DRIVE_METADATA_STORE _H_ 184 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_DRIVE_METADATA_STORE _H_
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