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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef IDBTransaction_h
#define IDBTransaction_h
#if ENABLE(INDEXED_DATABASE)
#include "ActiveDOMObject.h"
#include "DOMStringList.h"
#include "Event.h"
#include "EventListener.h"
#include "EventNames.h"
#include "EventTarget.h"
#include "IDBTransactionBackendInterface.h"
#include "IDBTransactionCallbacks.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class IDBDatabase;
class IDBObjectStore;
class IDBTransaction : public IDBTransactionCallbacks, public EventTarget, public ActiveDOMObject {
public:
static PassRefPtr<IDBTransaction> create(ScriptExecutionContext*, PassRefPtr<IDBTransactionBackendInterface>, IDBDatabase*);
virtual ~IDBTransaction();
enum Mode {
READ_ONLY = 0,
READ_WRITE = 1,
VERSION_CHANGE = 2
};
IDBTransactionBackendInterface* backend() const;
bool finished() const;
unsigned short mode() const;
IDBDatabase* db() const;
PassRefPtr<IDBObjectStore> objectStore(const String& name, ExceptionCode&);
void abort();
void registerRequest(IDBRequest*);
void unregisterRequest(IDBRequest*);
void objectStoreCreated(const String&, PassRefPtr<IDBObjectStore>);
void objectStoreDeleted(const String&);
DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
DEFINE_ATTRIBUTE_EVENT_LISTENER(complete);
DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
// IDBTransactionCallbacks
virtual void onAbort();
virtual void onComplete();
// EventTarget
virtual const AtomicString& interfaceName() const;
virtual ScriptExecutionContext* scriptExecutionContext() const;
virtual bool dispatchEvent(PassRefPtr<Event>);
bool dispatchEvent(PassRefPtr<Event> event, ExceptionCode& ec) { return EventTarget::dispatchEvent(event, ec); }
// ActiveDOMObject
virtual bool hasPendingActivity() const OVERRIDE;
virtual bool canSuspend() const OVERRIDE;
virtual void stop() OVERRIDE;
using RefCounted<IDBTransactionCallbacks>::ref;
using RefCounted<IDBTransactionCallbacks>::deref;
private:
IDBTransaction(ScriptExecutionContext*, PassRefPtr<IDBTransactionBackendInterface>, IDBDatabase*);
void enqueueEvent(PassRefPtr<Event>);
// EventTarget
virtual void refEventTarget() { ref(); }
virtual void derefEventTarget() { deref(); }
virtual EventTargetData* eventTargetData();
virtual EventTargetData* ensureEventTargetData();
RefPtr<IDBTransactionBackendInterface> m_backend;
RefPtr<IDBDatabase> m_database;
unsigned short m_mode;
bool m_transactionFinished; // Is it possible that we'll fire any more events or allow any new requests? If not, we're finished.
bool m_contextStopped;
ListHashSet<IDBRequest*> m_childRequests;
typedef HashMap<String, RefPtr<IDBObjectStore> > IDBObjectStoreMap;
IDBObjectStoreMap m_objectStoreMap;
EventTargetData m_eventTargetData;
};
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBTransaction_h
|
