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 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 "InspectorWebAgentBase.h"
35#include "InspectorWebBackendDispatchers.h"
36#include "InspectorWebFrontendDispatchers.h"
37#include <wtf/HashMap.h>
38#include <wtf/text/WTFString.h>
39
40namespace Inspector {
41class InspectorArray;
42}
43
44namespace WebCore {
45
46class Database;
47class InspectorDatabaseResource;
48class InstrumentingAgents;
49
50typedef String ErrorString;
51
52class InspectorDatabaseAgent : public InspectorAgentBase, public Inspector::InspectorDatabaseBackendDispatcherHandler {
53    WTF_MAKE_FAST_ALLOCATED;
54public:
55    explicit InspectorDatabaseAgent(InstrumentingAgents*);
56    ~InspectorDatabaseAgent();
57
58    virtual void didCreateFrontendAndBackend(Inspector::InspectorFrontendChannel*, Inspector::InspectorBackendDispatcher*) override;
59    virtual void willDestroyFrontendAndBackend(Inspector::InspectorDisconnectReason) override;
60
61    void clearResources();
62
63    // Called from the front-end.
64    virtual void enable(ErrorString*) override;
65    virtual void disable(ErrorString*) override;
66    virtual void getDatabaseTableNames(ErrorString*, const String& databaseId, RefPtr<Inspector::TypeBuilder::Array<String>>& names) override;
67    virtual void executeSQL(ErrorString*, const String& databaseId, const String& query, PassRefPtr<ExecuteSQLCallback>) override;
68
69    // Called from the injected script.
70    String databaseId(Database*);
71
72    void didOpenDatabase(PassRefPtr<Database>, const String& domain, const String& name, const String& version);
73private:
74    Database* databaseForId(const String& databaseId);
75    InspectorDatabaseResource* findByFileName(const String& fileName);
76
77    std::unique_ptr<Inspector::InspectorDatabaseFrontendDispatcher> m_frontendDispatcher;
78    RefPtr<Inspector::InspectorDatabaseBackendDispatcher> m_backendDispatcher;
79    typedef HashMap<String, RefPtr<InspectorDatabaseResource>> DatabaseResourcesMap;
80    DatabaseResourcesMap m_resources;
81    bool m_enabled;
82};
83
84} // namespace WebCore
85
86#endif // ENABLE(INSPECTOR) && ENABLE(SQL_DATABASE)
87
88#endif // !defined(InspectorDatabaseAgent_h)
89