1/*
2 * Copyright 2010, The Android Open Source Project
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 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef PackageNotifier_h
27#define PackageNotifier_h
28
29#if ENABLE(APPLICATION_INSTALLED)
30
31#include "PlatformString.h"
32#include "Timer.h"
33
34#include <wtf/HashSet.h>
35#include <wtf/Noncopyable.h>
36#include <wtf/text/StringHash.h>
37
38namespace WebCore {
39
40class PackageNotifier {
41    WTF_MAKE_NONCOPYABLE(PackageNotifier);
42public:
43    PackageNotifier();
44
45    typedef void (*Callback)();
46    void setOnResultAvailable(Callback);
47
48    void addPackageNames(const HashSet<String>& packageNames);
49    void addPackageName(const String& packageName);
50    void removePackageName(const String& packageName);
51
52    void requestPackageResult();
53    bool isPackageInstalled(const String& packageName);
54
55private:
56    void timerFired(Timer<PackageNotifier>*);
57
58    Callback m_onResultAvailable;
59
60    HashSet<String> m_packageNames;
61    bool m_isInitialized;
62    Timer<PackageNotifier> m_timer;
63};
64
65PackageNotifier& packageNotifier();
66
67}
68
69#endif
70
71#endif // PackageNotifier_h
72