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1 /*
2  * Copyright (C) 2013 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 are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef DatabaseClient_h
32 #define DatabaseClient_h
33 
34 #include "platform/Supplementable.h"
35 #include "platform/heap/Handle.h"
36 #include "wtf/Forward.h"
37 
38 namespace blink {
39 
40 class Database;
41 class ExecutionContext;
42 class InspectorDatabaseAgent;
43 class Page;
44 
45 class DatabaseClient : public WillBeHeapSupplement<Page> {
46     WTF_MAKE_NONCOPYABLE(DatabaseClient);
47 public:
48     DatabaseClient();
~DatabaseClient()49     virtual ~DatabaseClient() { }
50 
51     virtual bool allowDatabase(ExecutionContext*, const String& name, const String& displayName, unsigned long estimatedSize) = 0;
52 
53     void didOpenDatabase(PassRefPtrWillBeRawPtr<Database>, const String& domain, const String& name, const String& version);
54 
55     static DatabaseClient* from(ExecutionContext*);
56     static const char* supplementName();
57 
58     void createInspectorAgentFor(Page*);
59 
60 private:
61     InspectorDatabaseAgent* m_inspectorAgent;
62 };
63 
64 void provideDatabaseClientTo(Page&, PassOwnPtrWillBeRawPtr<DatabaseClient>);
65 
66 } // namespace blink
67 
68 #endif // DatabaseClient_h
69