1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef InspectorDatabaseAgent_h
30#define InspectorDatabaseAgent_h
31
32#if ENABLE(INSPECTOR) && ENABLE(SQL_DATABASE)
33
34#include "InspectorBaseAgent.h"
35#include "InspectorFrontend.h"
36#include <wtf/HashMap.h>
37#include <wtf/PassOwnPtr.h>
38#include <wtf/text/WTFString.h>
39
40namespace WebCore {
41
42class Database;
43class InspectorArray;
44class InspectorDatabaseResource;
45class InspectorFrontend;
46class InspectorState;
47class InstrumentingAgents;
48
49typedef String ErrorString;
50
51class InspectorDatabaseAgent : public InspectorBaseAgent<InspectorDatabaseAgent>, public InspectorBackendDispatcher::DatabaseCommandHandler {
52public:
53    static PassOwnPtr<InspectorDatabaseAgent> create(InstrumentingAgents* instrumentingAgents, InspectorCompositeState* state)
54    {
55        return adoptPtr(new InspectorDatabaseAgent(instrumentingAgents, state));
56    }
57    ~InspectorDatabaseAgent();
58
59    virtual void setFrontend(InspectorFrontend*);
60    virtual void clearFrontend();
61    virtual void restore();
62
63    void clearResources();
64
65    // Called from the front-end.
66    virtual void enable(ErrorString*);
67    virtual void disable(ErrorString*);
68    virtual void getDatabaseTableNames(ErrorString*, const String& databaseId, RefPtr<TypeBuilder::Array<String> >& names);
69    virtual void executeSQL(ErrorString*, const String& databaseId, const String& query, PassRefPtr<ExecuteSQLCallback>);
70
71    // Called from the injected script.
72    String databaseId(Database*);
73
74    void didOpenDatabase(PassRefPtr<Database>, const String& domain, const String& name, const String& version);
75private:
76    explicit InspectorDatabaseAgent(InstrumentingAgents*, InspectorCompositeState*);
77
78    Database* databaseForId(const String& databaseId);
79    InspectorDatabaseResource* findByFileName(const String& fileName);
80
81    InspectorFrontend::Database* m_frontend;
82    typedef HashMap<String, RefPtr<InspectorDatabaseResource> > DatabaseResourcesMap;
83    DatabaseResourcesMap m_resources;
84    bool m_enabled;
85};
86
87} // namespace WebCore
88
89#endif // ENABLE(INSPECTOR) && ENABLE(SQL_DATABASE)
90
91#endif // !defined(InspectorDatabaseAgent_h)
92