Home | History | Annotate | Download | only in android
      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