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 38 namespace WebCore { 39 40 class PackageNotifier { 41 WTF_MAKE_NONCOPYABLE(PackageNotifier); 42 public: 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 55 private: 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 65 PackageNotifier& packageNotifier(); 66 67 } 68 69 #endif 70 71 #endif // PackageNotifier_h 72
