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 "StringHash.h" 33 #include "Timer.h" 34 #include <wtf/HashSet.h> 35 #include <wtf/Noncopyable.h> 36 37 namespace WebCore { 38 39 class PackageNotifier : public Noncopyable { 40 public: 41 PackageNotifier(); 42 43 typedef void (*Callback)(); 44 void setOnResultAvailable(Callback); 45 46 void addPackageNames(const HashSet<String>& packageNames); 47 void addPackageName(const String& packageName); 48 void removePackageName(const String& packageName); 49 50 void requestPackageResult(); 51 bool isPackageInstalled(const String& packageName); 52 53 private: 54 void timerFired(Timer<PackageNotifier>*); 55 56 Callback m_onResultAvailable; 57 58 HashSet<String> m_packageNames; 59 bool m_isInitialized; 60 Timer<PackageNotifier> m_timer; 61 }; 62 63 PackageNotifier& packageNotifier(); 64 65 } 66 67 #endif 68 69 #endif // PackageNotifier_h
