src/jp/gr/java_conf/ofnhwx/olib/base/BaseService.java

   1 package jp.gr.java_conf.ofnhwx.olib.base;
   2
   3 import java.lang.reflect.Method;
   4 import java.util.HashMap;
   5 import java.util.Map;
   6
   7 import android.app.Notification;
   8 import android.app.Service;
   9
  10 /**
  11  * サービスの互換性対策.
  12  * @author yuta
  13  */
  14 public abstract class BaseService extends Service {
  15
  16     private static final Class<?>[] setForegroundSignature   = new Class[] { boolean.class };
  17     private static final Class<?>[] startForegroundSignature = new Class[] { int.class, Notification.class };
  18     private static final Class<?>[] stopForegroundSignature  = new Class[] { boolean.class };
  19
  20     private Method setForeground;
  21     private Method startForeground;
  22     private Method stopForeground;
  23
  24     private Object[] setForegroundArgs   = new Object[1];
  25     private Object[] startForegroundArgs = new Object[2];
  26     private Object[] stopForegroundArgs  = new Object[1];
  27
  28     private static Map<String, BaseService> services = new HashMap<String, BaseService>();
  29     private boolean isForeground;
  30
  31     @Override
  32     public void onCreate() {
  33         super.onCreate();
  34         try {
  35             startForeground = getClass().getMethod("startForeground", startForegroundSignature);
  36             stopForeground  = getClass().getMethod("stopForeground" , stopForegroundSignature );
  37         } catch (Exception e) {
  38             startForeground = null;
  39             stopForeground  = null;
  40         }
  41         try {
  42             setForeground = getClass().getMethod("setForeground", setForegroundSignature);
  43         } catch (Exception e) {
  44             setForeground = null;
  45         }
  46         services.put(getClass().getName(), this);
  47     }
  48
  49     @Override
  50     public void onDestroy() {
  51         super.onDestroy();
  52         services.put(getClass().getName(), this);
  53     }
  54
  55     /**
  56      * {@link #isForeground(Class)}を参照.
  57      */
  58     public boolean isForeground() {
  59         return isForeground(getClass());
  60     }
  61
  62     /**
  63      * {@link #startForegroundCompat(Class, int, Notification)}を参照.
  64      */
  65     public void startForegroundCompat(int id, Notification notification) {
  66         startForegroundCompat(getClass(), id, notification);
  67     }
  68
  69     /**
  70      * {@link #stopForegroundCompat(Class)}を参照.
  71      */
  72     public void stopForegroundCompat() {
  73         stopForegroundCompat(getClass());
  74     }
  75
  76     /**
  77      * サービスのフォアグラウンド設定を取得.
  78      * @param clazz {@link OService#getClass()}
  79      * @return true:サビースはフォアグラウンドに設定されている
  80      */
  81     public static final boolean isForeground(Class<? extends BaseService> clazz) {
  82         BaseService service = services.get(clazz.getName());
  83         if (service == null) {
  84             return false;
  85         } else {
  86             return service.isForeground;
  87         }
  88     }
  89
  90     /**
  91      * サービスをフォアグラウンドにする.
  92      * @param clazz {@link OService#getClass()}
  93      * @param id 通知のID
  94      * @param notification 通知オブジェクト
  95      */
  96     public static final void startForegroundCompat(Class<? extends BaseService> clazz, int id, Notification notification) {
  97         BaseService service = services.get(clazz.getName());
  98         if (service == null || service.isForeground) {
  99             return;
 100         }
 101         try {
 102             if (service.startForeground != null) {
 103                 service.startForegroundArgs[0] = Integer.valueOf(id);
 104                 service.startForegroundArgs[1] = notification;
 105                 service.startForeground.invoke(service, service.startForegroundArgs);
 106                 return;
 107             }
 108             service.setForegroundArgs[0] = Boolean.TRUE;
 109             service.setForeground.invoke(service, service.setForegroundArgs);
 110         } catch (Exception e) {
 111             // do nothing
 112         } finally {
 113             service.isForeground = true;
 114         }
 115     }
 116
 117     /**
 118      * サービスのフォアグラウンド設定を解除する.
 119      * @param clazz {@link OService#getClass()}
 120      */
 121     public static final void stopForegroundCompat(Class<? extends BaseService> clazz) {
 122         BaseService service = services.get(clazz.getName());
 123         if (service == null || !service.isForeground) {
 124             return;
 125         }
 126         try {
 127             if (service.stopForeground != null) {
 128                 service.stopForegroundArgs[0] = Boolean.TRUE;
 129                 service.stopForeground.invoke(service, service.stopForegroundArgs);
 130                 return;
 131             }
 132             service.setForegroundArgs[0] = Boolean.FALSE;
 133             service.setForeground.invoke(service, service.setForegroundArgs);
 134         } catch (Exception e) {
 135             // do nothing
 136         } finally {
 137             service.isForeground = false;
 138         }
 139     }
 140
 141 }