Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(649)

Side by Side Diff: content/browser/dom_storage/dom_storage_namespace.h

Issue 22297005: Move webkit/{browser,common}/dom_storage into content/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
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 #ifndef WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_NAMESPACE_H_ 5 #ifndef CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_NAMESPACE_H_
6 #define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_NAMESPACE_H_ 6 #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_NAMESPACE_H_
7 7
8 #include <map> 8 #include <map>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/files/file_path.h" 11 #include "base/files/file_path.h"
12 #include "base/memory/ref_counted.h" 12 #include "base/memory/ref_counted.h"
13 #include "webkit/browser/webkit_storage_browser_export.h" 13 #include "content/common/content_export.h"
14 14
15 class GURL; 15 class GURL;
16 16
17 namespace dom_storage { 17 namespace content {
18 18
19 class DomStorageArea; 19 class DOMStorageArea;
20 class DomStorageTaskRunner; 20 class DOMStorageTaskRunner;
21 class SessionStorageDatabase; 21 class SessionStorageDatabase;
22 22
23 // Container for the set of per-origin Areas. 23 // Container for the set of per-origin Areas.
24 // See class comments for DomStorageContext for a larger overview. 24 // See class comments for DOMStorageContextImpl for a larger overview.
25 class WEBKIT_STORAGE_BROWSER_EXPORT DomStorageNamespace 25 class CONTENT_EXPORT DOMStorageNamespace
26 : public base::RefCountedThreadSafe<DomStorageNamespace> { 26 : public base::RefCountedThreadSafe<DOMStorageNamespace> {
27 public: 27 public:
28 // Option for PurgeMemory. 28 // Option for PurgeMemory.
29 enum PurgeOption { 29 enum PurgeOption {
30 // Purge unopened areas only. 30 // Purge unopened areas only.
31 PURGE_UNOPENED, 31 PURGE_UNOPENED,
32 32
33 // Purge aggressively, i.e. discard cache even for areas that have 33 // Purge aggressively, i.e. discard cache even for areas that have
34 // non-zero open count. 34 // non-zero open count.
35 PURGE_AGGRESSIVE, 35 PURGE_AGGRESSIVE,
36 }; 36 };
37 37
38 // Constructor for a LocalStorage namespace with id of 0 38 // Constructor for a LocalStorage namespace with id of 0
39 // and an optional backing directory on disk. 39 // and an optional backing directory on disk.
40 DomStorageNamespace(const base::FilePath& directory, // may be empty 40 DOMStorageNamespace(const base::FilePath& directory, // may be empty
41 DomStorageTaskRunner* task_runner); 41 DOMStorageTaskRunner* task_runner);
42 42
43 // Constructor for a SessionStorage namespace with a non-zero id and an 43 // Constructor for a SessionStorage namespace with a non-zero id and an
44 // optional backing on disk via |session_storage_database| (may be NULL). 44 // optional backing on disk via |session_storage_database| (may be NULL).
45 DomStorageNamespace(int64 namespace_id, 45 DOMStorageNamespace(int64 namespace_id,
46 const std::string& persistent_namespace_id, 46 const std::string& persistent_namespace_id,
47 SessionStorageDatabase* session_storage_database, 47 SessionStorageDatabase* session_storage_database,
48 DomStorageTaskRunner* task_runner); 48 DOMStorageTaskRunner* task_runner);
49 49
50 int64 namespace_id() const { return namespace_id_; } 50 int64 namespace_id() const { return namespace_id_; }
51 const std::string& persistent_namespace_id() const { 51 const std::string& persistent_namespace_id() const {
52 return persistent_namespace_id_; 52 return persistent_namespace_id_;
53 } 53 }
54 54
55 // Returns the storage area for the given origin, 55 // Returns the storage area for the given origin,
56 // creating instance if needed. Each call to open 56 // creating instance if needed. Each call to open
57 // must be balanced with a call to CloseStorageArea. 57 // must be balanced with a call to CloseStorageArea.
58 DomStorageArea* OpenStorageArea(const GURL& origin); 58 DOMStorageArea* OpenStorageArea(const GURL& origin);
59 void CloseStorageArea(DomStorageArea* area); 59 void CloseStorageArea(DOMStorageArea* area);
60 60
61 // Returns the area for |origin| if it's open, otherwise NULL. 61 // Returns the area for |origin| if it's open, otherwise NULL.
62 DomStorageArea* GetOpenStorageArea(const GURL& origin); 62 DOMStorageArea* GetOpenStorageArea(const GURL& origin);
63 63
64 // Creates a clone of |this| namespace including 64 // Creates a clone of |this| namespace including
65 // shallow copies of all contained areas. 65 // shallow copies of all contained areas.
66 // Should only be called for session storage namespaces. 66 // Should only be called for session storage namespaces.
67 DomStorageNamespace* Clone(int64 clone_namespace_id, 67 DOMStorageNamespace* Clone(int64 clone_namespace_id,
68 const std::string& clone_persistent_namespace_id); 68 const std::string& clone_persistent_namespace_id);
69 69
70 void DeleteLocalStorageOrigin(const GURL& origin); 70 void DeleteLocalStorageOrigin(const GURL& origin);
71 void DeleteSessionStorageOrigin(const GURL& origin); 71 void DeleteSessionStorageOrigin(const GURL& origin);
72 void PurgeMemory(PurgeOption purge); 72 void PurgeMemory(PurgeOption purge);
73 void Shutdown(); 73 void Shutdown();
74 74
75 unsigned int CountInMemoryAreas() const; 75 unsigned int CountInMemoryAreas() const;
76 76
77 private: 77 private:
78 friend class base::RefCountedThreadSafe<DomStorageNamespace>; 78 friend class base::RefCountedThreadSafe<DOMStorageNamespace>;
79 79
80 // Struct to hold references to our contained areas and 80 // Struct to hold references to our contained areas and
81 // to keep track of how many tabs have a given area open. 81 // to keep track of how many tabs have a given area open.
82 struct AreaHolder { 82 struct AreaHolder {
83 scoped_refptr<DomStorageArea> area_; 83 scoped_refptr<DOMStorageArea> area_;
84 int open_count_; 84 int open_count_;
85 AreaHolder(); 85 AreaHolder();
86 AreaHolder(DomStorageArea* area, int count); 86 AreaHolder(DOMStorageArea* area, int count);
87 ~AreaHolder(); 87 ~AreaHolder();
88 }; 88 };
89 typedef std::map<GURL, AreaHolder> AreaMap; 89 typedef std::map<GURL, AreaHolder> AreaMap;
90 90
91 ~DomStorageNamespace(); 91 ~DOMStorageNamespace();
92 92
93 // Returns a pointer to the area holder in our map or NULL. 93 // Returns a pointer to the area holder in our map or NULL.
94 AreaHolder* GetAreaHolder(const GURL& origin); 94 AreaHolder* GetAreaHolder(const GURL& origin);
95 95
96 int64 namespace_id_; 96 int64 namespace_id_;
97 std::string persistent_namespace_id_; 97 std::string persistent_namespace_id_;
98 base::FilePath directory_; 98 base::FilePath directory_;
99 AreaMap areas_; 99 AreaMap areas_;
100 scoped_refptr<DomStorageTaskRunner> task_runner_; 100 scoped_refptr<DOMStorageTaskRunner> task_runner_;
101 scoped_refptr<SessionStorageDatabase> session_storage_database_; 101 scoped_refptr<SessionStorageDatabase> session_storage_database_;
102 }; 102 };
103 103
104 } // namespace dom_storage 104 } // namespace content
105 105
106 106
107 #endif // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_NAMESPACE_H_ 107 #endif // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_NAMESPACE_H_
OLDNEW
« no previous file with comments | « content/browser/dom_storage/dom_storage_message_filter.cc ('k') | content/browser/dom_storage/dom_storage_namespace.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698