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 34namespace WebCore { 35 36PackageNotifier::PackageNotifier() 37 : m_onResultAvailable(0), m_isInitialized(false), m_timer(this, &PackageNotifier::timerFired) { } 38 39void PackageNotifier::setOnResultAvailable(Callback callback) 40{ 41 m_onResultAvailable = callback; 42} 43 44void 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 57void PackageNotifier::addPackageName(const String& packageName) 58{ 59 ASSERT(m_isInitialized); 60 m_packageNames.add(packageName); 61} 62 63void PackageNotifier::removePackageName(const String& packageName) 64{ 65 ASSERT(m_isInitialized); 66 m_packageNames.remove(packageName); 67} 68 69void PackageNotifier::requestPackageResult() 70{ 71 if (!m_isInitialized || m_timer.isActive()) 72 return; 73 74 m_timer.startOneShot(0); 75} 76 77void PackageNotifier::timerFired(Timer<PackageNotifier>*) 78{ 79 m_timer.stop(); 80 if (m_onResultAvailable) 81 m_onResultAvailable(); 82} 83 84bool PackageNotifier::isPackageInstalled(const String& packageName) 85{ 86 return m_packageNames.contains(packageName); 87} 88 89PackageNotifier& packageNotifier() 90{ 91 AtomicallyInitializedStatic(PackageNotifier*, packageNotifier = new PackageNotifier); 92 return *packageNotifier; 93} 94 95} 96 97#endif // ENABLE(APPLICATION_INSTALLED) 98