1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_DATABASE_DATABASE_QUOTA_CLIENT_H_
#define WEBKIT_DATABASE_DATABASE_QUOTA_CLIENT_H_
#include <set>
#include <string>
#include "base/memory/ref_counted.h"
#include "base/message_loop_proxy.h"
#include "webkit/quota/quota_client.h"
#include "webkit/quota/quota_task.h"
#include "webkit/quota/quota_types.h"
namespace webkit_database {
class DatabaseTracker;
// A QuotaClient implementation to integrate WebSQLDatabases
// with the quota management system. This interface is used
// on the IO thread by the quota manager.
class DatabaseQuotaClient : public quota::QuotaClient,
public quota::QuotaTaskObserver {
public:
DatabaseQuotaClient(
base::MessageLoopProxy* tracker_thread,
DatabaseTracker* tracker);
virtual ~DatabaseQuotaClient();
// QuotaClient method overrides
virtual ID id() const OVERRIDE;
virtual void OnQuotaManagerDestroyed();
virtual void GetOriginUsage(const GURL& origin_url,
quota::StorageType type,
GetUsageCallback* callback) OVERRIDE;
virtual void GetOriginsForType(quota::StorageType type,
GetOriginsCallback* callback) OVERRIDE;
virtual void GetOriginsForHost(quota::StorageType type,
const std::string& host,
GetOriginsCallback* callback) OVERRIDE;
virtual void DeleteOriginData(const GURL& origin,
quota::StorageType type,
DeletionCallback* callback) OVERRIDE;
private:
class HelperTask;
class GetOriginUsageTask;
class GetOriginsTaskBase;
class GetAllOriginsTask;
class GetOriginsForHostTask;
class DeleteOriginTask;
typedef quota::CallbackQueueMap1
<GetUsageCallback*,
GURL, // origin
int64
> UsageForOriginCallbackMap;
typedef quota::CallbackQueue1
<GetOriginsCallback*,
const std::set<GURL>&
> OriginsForTypeCallbackQueue;
typedef quota::CallbackQueueMap1
<GetOriginsCallback*,
std::string, // host
const std::set<GURL>&
> OriginsForHostCallbackMap;
void DidGetOriginUsage(const GURL& origin_url, int64 usage);
void DidGetAllOrigins(const std::set<GURL>& origins);
void DidGetOriginsForHost(
const std::string& host, const std::set<GURL>& origins);
scoped_refptr<base::MessageLoopProxy> db_tracker_thread_;
scoped_refptr<DatabaseTracker> db_tracker_; // only used on its thread
UsageForOriginCallbackMap usage_for_origin_callbacks_;
OriginsForTypeCallbackQueue origins_for_type_callbacks_;
OriginsForHostCallbackMap origins_for_host_callbacks_;
DISALLOW_COPY_AND_ASSIGN(DatabaseQuotaClient);
};
} // namespace webkit_database
#endif // WEBKIT_DATABASE_DATABASE_QUOTA_CLIENT_H_
|
