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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* 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 IDBDatabase_h
#define IDBDatabase_h
#include "ActiveDOMObject.h"
#include "DOMStringList.h"
#include "Dictionary.h"
#include "Event.h"
#include "EventTarget.h"
#include "IDBDatabaseCallbacks.h"
#include "IDBMetadata.h"
#include "IDBObjectStore.h"
#include "IDBTransaction.h"
#include "IndexedDB.h"
#include "ScriptWrappable.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#if ENABLE(INDEXED_DATABASE)
namespace WebCore {
class ScriptExecutionContext;
typedef int ExceptionCode;
class IDBDatabase : public RefCounted<IDBDatabase>, public ScriptWrappable, public EventTarget, public ActiveDOMObject {
public:
static PassRefPtr<IDBDatabase> create(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendInterface>, PassRefPtr<IDBDatabaseCallbacks>);
~IDBDatabase();
void setMetadata(const IDBDatabaseMetadata& metadata) { m_metadata = metadata; }
void transactionCreated(IDBTransaction*);
void transactionFinished(IDBTransaction*);
// Implement the IDL
const String name() const { return m_metadata.name; }
PassRefPtr<IDBAny> version() const;
PassRefPtr<DOMStringList> objectStoreNames() const;
PassRefPtr<IDBObjectStore> createObjectStore(const String& name, const Dictionary&, ExceptionCode&);
PassRefPtr<IDBObjectStore> createObjectStore(const String& name, const IDBKeyPath&, bool autoIncrement, ExceptionCode&);
PassRefPtr<IDBTransaction> transaction(ScriptExecutionContext* context, PassRefPtr<DOMStringList> scope, const String& mode, ExceptionCode& ec) { return transaction(context, *scope, mode, ec); }
PassRefPtr<IDBTransaction> transaction(ScriptExecutionContext*, const Vector<String>&, const String& mode, ExceptionCode&);
PassRefPtr<IDBTransaction> transaction(ScriptExecutionContext*, const String&, const String& mode, ExceptionCode&);
void deleteObjectStore(const String& name, ExceptionCode&);
void close();
DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
DEFINE_ATTRIBUTE_EVENT_LISTENER(versionchange);
// IDBDatabaseCallbacks
virtual void onVersionChange(int64_t oldVersion, int64_t newVersion);
virtual void onAbort(int64_t, PassRefPtr<IDBDatabaseError>);
virtual void onComplete(int64_t);
// ActiveDOMObject
virtual bool hasPendingActivity() const OVERRIDE;
virtual void stop() OVERRIDE;
// EventTarget
virtual const AtomicString& interfaceName() const;
virtual ScriptExecutionContext* scriptExecutionContext() const;
bool isClosePending() const { return m_closePending; }
void forceClose();
const IDBDatabaseMetadata metadata() const { return m_metadata; }
void enqueueEvent(PassRefPtr<Event>);
using EventTarget::dispatchEvent;
virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE;
int64_t findObjectStoreId(const String& name) const;
bool containsObjectStore(const String& name) const
{
return findObjectStoreId(name) != IDBObjectStoreMetadata::InvalidId;
}
IDBDatabaseBackendInterface* backend() const { return m_backend.get(); }
static int64_t nextTransactionId();
using RefCounted<IDBDatabase>::ref;
using RefCounted<IDBDatabase>::deref;
private:
IDBDatabase(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendInterface>, PassRefPtr<IDBDatabaseCallbacks>);
// EventTarget
virtual void refEventTarget() { ref(); }
virtual void derefEventTarget() { deref(); }
virtual EventTargetData* eventTargetData();
virtual EventTargetData* ensureEventTargetData();
void closeConnection();
IDBDatabaseMetadata m_metadata;
RefPtr<IDBDatabaseBackendInterface> m_backend;
RefPtr<IDBTransaction> m_versionChangeTransaction;
typedef HashMap<int64_t, IDBTransaction*> TransactionMap;
TransactionMap m_transactions;
bool m_closePending;
bool m_contextStopped;
EventTargetData m_eventTargetData;
// Keep track of the versionchange events waiting to be fired on this
// database so that we can cancel them if the database closes.
Vector<RefPtr<Event> > m_enqueuedEvents;
RefPtr<IDBDatabaseCallbacks> m_databaseCallbacks;
};
} // namespace WebCore
#endif
#endif // IDBDatabase_h
|
