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Side by Side Diff: content/browser/indexed_db/indexed_db_active_blob_registry.h

Issue 475063004: IndexedDB + Coding Style: re-order enums/typedefs/... to match guide (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Restore CONTENT_EXPORT to Transaction Created 6 years, 4 months ago
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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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_ 5 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_
6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_ 6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_
7 7
8 #include <map> 8 #include <map>
9 #include <set> 9 #include <set>
10 #include <utility> 10 #include <utility>
(...skipping 24 matching lines...) Expand all
35 GetFinalReleaseCallback(int64 database_id, int64 blob_key); 35 GetFinalReleaseCallback(int64 database_id, int64 blob_key);
36 // This closure holds a raw pointer to the IndexedDBActiveBlobRegistry, 36 // This closure holds a raw pointer to the IndexedDBActiveBlobRegistry,
37 // and may not be called after it is deleted. 37 // and may not be called after it is deleted.
38 base::Closure GetAddBlobRefCallback(int64 database_id, int64 blob_key); 38 base::Closure GetAddBlobRefCallback(int64 database_id, int64 blob_key);
39 // Call this to force the registry to drop its use counts, permitting the 39 // Call this to force the registry to drop its use counts, permitting the
40 // factory to drop any blob-related refcount for the backing store. 40 // factory to drop any blob-related refcount for the backing store.
41 // This will also turn any outstanding callbacks into no-ops. 41 // This will also turn any outstanding callbacks into no-ops.
42 void ForceShutdown(); 42 void ForceShutdown();
43 43
44 private: 44 private:
45 // Maps blob_key -> IsDeleted; if the record's absent, it's not in active use
46 // and we don't care if it's deleted.
47 typedef std::map<int64, bool> SingleDBMap;
48 // Maps DB ID -> SingleDBMap
49 typedef std::map<int64, SingleDBMap> AllDBsMap;
50 typedef std::set<int64> DeletedDBSet;
51
45 void AddBlobRef(int64 database_id, int64 blob_key); 52 void AddBlobRef(int64 database_id, int64 blob_key);
46 void ReleaseBlobRef(int64 database_id, int64 blob_key); 53 void ReleaseBlobRef(int64 database_id, int64 blob_key);
47 static void ReleaseBlobRefThreadSafe( 54 static void ReleaseBlobRefThreadSafe(
48 scoped_refptr<base::TaskRunner> task_runner, 55 scoped_refptr<base::TaskRunner> task_runner,
49 base::WeakPtr<IndexedDBActiveBlobRegistry> weak_ptr, 56 base::WeakPtr<IndexedDBActiveBlobRegistry> weak_ptr,
50 int64 database_id, 57 int64 database_id,
51 int64 blob_key, 58 int64 blob_key,
52 const base::FilePath& unused); 59 const base::FilePath& unused);
53 60
54 // Maps blob_key -> IsDeleted; if the record's absent, it's not in active use
55 // and we don't care if it's deleted.
56 typedef std::map<int64, bool> SingleDBMap;
57 // Maps DB ID -> SingleDBMap
58 typedef std::map<int64, SingleDBMap> AllDBsMap;
59 typedef std::set<int64> DeletedDBSet;
60
61 AllDBsMap use_tracker_; 61 AllDBsMap use_tracker_;
62 DeletedDBSet deleted_dbs_; 62 DeletedDBSet deleted_dbs_;
63 // As long as we've got blobs registered in use_tracker_, 63 // As long as we've got blobs registered in use_tracker_,
64 // backing_store_->factory() will keep backing_store_ alive for us. And 64 // backing_store_->factory() will keep backing_store_ alive for us. And
65 // backing_store_ owns us, so we'll stay alive as long as we're needed. 65 // backing_store_ owns us, so we'll stay alive as long as we're needed.
66 IndexedDBBackingStore* backing_store_; 66 IndexedDBBackingStore* backing_store_;
67 base::WeakPtrFactory<IndexedDBActiveBlobRegistry> weak_factory_; 67 base::WeakPtrFactory<IndexedDBActiveBlobRegistry> weak_factory_;
68 68
69 DISALLOW_COPY_AND_ASSIGN(IndexedDBActiveBlobRegistry); 69 DISALLOW_COPY_AND_ASSIGN(IndexedDBActiveBlobRegistry);
70 }; 70 };
71 71
72 } // namespace content 72 } // namespace content
73 73
74 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_ 74 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_
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