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 #include "config.h"
27 #include "PackageNotifier.h"
28
29 #if ENABLE(APPLICATION_INSTALLED)
30
31 #include <wtf/Assertions.h>
32 #include <wtf/StdLibExtras.h>
33
34 namespace WebCore {
35
PackageNotifier()36 PackageNotifier::PackageNotifier()
37 : m_onResultAvailable(0), m_isInitialized(false), m_timer(this, &PackageNotifier::timerFired) { }
38
setOnResultAvailable(Callback callback)39 void PackageNotifier::setOnResultAvailable(Callback callback)
40 {
41 m_onResultAvailable = callback;
42 }
43
addPackageNames(const HashSet<String> & packageNames)44 void PackageNotifier::addPackageNames(const HashSet<String>& packageNames)
45 {
46 if (!m_isInitialized)
47 m_isInitialized = true;
48
49 typedef HashSet<String>::const_iterator NamesIterator;
50 for (NamesIterator iter = packageNames.begin(); iter != packageNames.end(); ++iter)
51 m_packageNames.add(*iter);
52
53 if (m_onResultAvailable)
54 m_onResultAvailable();
55 }
56
addPackageName(const String & packageName)57 void PackageNotifier::addPackageName(const String& packageName)
58 {
59 ASSERT(m_isInitialized);
60 m_packageNames.add(packageName);
61 }
62
removePackageName(const String & packageName)63 void PackageNotifier::removePackageName(const String& packageName)
64 {
65 ASSERT(m_isInitialized);
66 m_packageNames.remove(packageName);
67 }
68
requestPackageResult()69 void PackageNotifier::requestPackageResult()
70 {
71 if (!m_isInitialized || m_timer.isActive())
72 return;
73
74 m_timer.startOneShot(0);
75 }
76
timerFired(Timer<PackageNotifier> *)77 void PackageNotifier::timerFired(Timer<PackageNotifier>*)
78 {
79 m_timer.stop();
80 if (m_onResultAvailable)
81 m_onResultAvailable();
82 }
83
isPackageInstalled(const String & packageName)84 bool PackageNotifier::isPackageInstalled(const String& packageName)
85 {
86 return m_packageNames.contains(packageName);
87 }
88
packageNotifier()89 PackageNotifier& packageNotifier()
90 {
91 AtomicallyInitializedStatic(PackageNotifier*, packageNotifier = new PackageNotifier);
92 return *packageNotifier;
93 }
94
95 }
96
97 #endif // ENABLE(APPLICATION_INSTALLED)
98