2 * Copyright (C) 2010 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
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12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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29 #include "bindings/v8/Dictionary.h"
30 #include "bindings/v8/ScriptWrappable.h"
31 #include "core/dom/ActiveDOMObject.h"
32 #include "core/dom/DOMStringList.h"
33 #include "core/events/Event.h"
34 #include "core/events/EventTarget.h"
35 #include "modules/indexeddb/IDBDatabaseCallbacks.h"
36 #include "modules/indexeddb/IDBMetadata.h"
37 #include "modules/indexeddb/IDBObjectStore.h"
38 #include "modules/indexeddb/IDBTransaction.h"
39 #include "modules/indexeddb/IndexedDB.h"
40 #include "platform/heap/Handle.h"
41 #include "public/platform/WebIDBDatabase.h"
42 #include "wtf/OwnPtr.h"
43 #include "wtf/PassOwnPtr.h"
44 #include "wtf/PassRefPtr.h"
45 #include "wtf/RefCounted.h"
46 #include "wtf/RefPtr.h"
52 class ExecutionContext;
54 class IDBDatabase FINAL
55 : public RefCountedWillBeRefCountedGarbageCollected<IDBDatabase>
56 , public ScriptWrappable
57 , public EventTargetWithInlineData
58 , public ActiveDOMObject {
59 DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<IDBDatabase>);
62 static PassRefPtrWillBeRawPtr<IDBDatabase> create(ExecutionContext*, PassOwnPtr<blink::WebIDBDatabase>, PassRefPtrWillBeRawPtr<IDBDatabaseCallbacks>);
63 virtual ~IDBDatabase();
66 void setMetadata(const IDBDatabaseMetadata& metadata) { m_metadata = metadata; }
67 void indexCreated(int64_t objectStoreId, const IDBIndexMetadata&);
68 void indexDeleted(int64_t objectStoreId, int64_t indexId);
69 void transactionCreated(IDBTransaction*);
70 void transactionFinished(const IDBTransaction*);
73 const String& name() const { return m_metadata.name; }
74 ScriptValue version(ScriptState*) const;
75 PassRefPtrWillBeRawPtr<DOMStringList> objectStoreNames() const;
77 PassRefPtrWillBeRawPtr<IDBObjectStore> createObjectStore(const String& name, const Dictionary&, ExceptionState&);
78 PassRefPtrWillBeRawPtr<IDBObjectStore> createObjectStore(const String& name, const IDBKeyPath&, bool autoIncrement, ExceptionState&);
79 PassRefPtrWillBeRawPtr<IDBTransaction> transaction(ExecutionContext* context, PassRefPtrWillBeRawPtr<DOMStringList> scope, const String& mode, ExceptionState& exceptionState) { return transaction(context, *scope, mode, exceptionState); }
80 PassRefPtrWillBeRawPtr<IDBTransaction> transaction(ExecutionContext*, const Vector<String>&, const String& mode, ExceptionState&);
81 PassRefPtrWillBeRawPtr<IDBTransaction> transaction(ExecutionContext*, const String&, const String& mode, ExceptionState&);
82 void deleteObjectStore(const String& name, ExceptionState&);
85 DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
86 DEFINE_ATTRIBUTE_EVENT_LISTENER(close);
87 DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
88 DEFINE_ATTRIBUTE_EVENT_LISTENER(versionchange);
90 // IDBDatabaseCallbacks
91 void onVersionChange(int64_t oldVersion, int64_t newVersion);
92 void onAbort(int64_t, PassRefPtrWillBeRawPtr<DOMError>);
93 void onComplete(int64_t);
96 virtual bool hasPendingActivity() const OVERRIDE;
97 virtual void stop() OVERRIDE;
100 virtual const AtomicString& interfaceName() const OVERRIDE;
101 virtual ExecutionContext* executionContext() const OVERRIDE;
103 bool isClosePending() const { return m_closePending; }
105 const IDBDatabaseMetadata& metadata() const { return m_metadata; }
106 void enqueueEvent(PassRefPtrWillBeRawPtr<Event>);
108 using EventTarget::dispatchEvent;
109 virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE;
111 int64_t findObjectStoreId(const String& name) const;
112 bool containsObjectStore(const String& name) const
114 return findObjectStoreId(name) != IDBObjectStoreMetadata::InvalidId;
117 // Will return nullptr if this database is stopped.
118 blink::WebIDBDatabase* backend() const { return m_backend.get(); }
120 static int64_t nextTransactionId();
122 void ackReceivedBlobs(const Vector<blink::WebBlobInfo>*);
124 static const char indexDeletedErrorMessage[];
125 static const char isKeyCursorErrorMessage[];
126 static const char noKeyOrKeyRangeErrorMessage[];
127 static const char noSuchIndexErrorMessage[];
128 static const char noSuchObjectStoreErrorMessage[];
129 static const char noValueErrorMessage[];
130 static const char notValidKeyErrorMessage[];
131 static const char notVersionChangeTransactionErrorMessage[];
132 static const char objectStoreDeletedErrorMessage[];
133 static const char requestNotFinishedErrorMessage[];
134 static const char sourceDeletedErrorMessage[];
135 static const char transactionFinishedErrorMessage[];
136 static const char transactionInactiveErrorMessage[];
137 static const char transactionReadOnlyErrorMessage[];
138 static const char databaseClosedErrorMessage[];
141 IDBDatabase(ExecutionContext*, PassOwnPtr<blink::WebIDBDatabase>, PassRefPtrWillBeRawPtr<IDBDatabaseCallbacks>);
143 void closeConnection();
145 IDBDatabaseMetadata m_metadata;
146 OwnPtr<blink::WebIDBDatabase> m_backend;
147 RefPtrWillBeMember<IDBTransaction> m_versionChangeTransaction;
148 typedef WillBeHeapHashMap<int64_t, RefPtrWillBeMember<IDBTransaction> > TransactionMap;
149 TransactionMap m_transactions;
152 bool m_contextStopped;
154 // Keep track of the versionchange events waiting to be fired on this
155 // database so that we can cancel them if the database closes.
156 WillBeHeapVector<RefPtrWillBeMember<Event> > m_enqueuedEvents;
158 RefPtrWillBeMember<IDBDatabaseCallbacks> m_databaseCallbacks;
161 } // namespace WebCore
163 #endif // IDBDatabase_h