Support minimum time between notifications

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/externalevents/NotificationListener.java

@@ -50,6 +50,7 @@ import android.support.v7.graphics.Palette;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.HashMap;
 import java.util.List;
 import java.util.Objects;
 
@@ -86,6 +87,8 @@ public class NotificationListener extends NotificationListenerService {
 
     private LimitedQueue mActionLookup = new LimitedQueue(16);
 
+    private HashMap<String, Long> notificationTimes = new HashMap<>();
+
     private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
 
         @Override
@@ -191,6 +194,8 @@ public class NotificationListener extends NotificationListenerService {
         if (shouldIgnore(sbn))
             return;
 
+        Prefs prefs = GBApplication.getPrefs();
+
         switch (GBApplication.getGrantedInterruptionFilter()) {
             case NotificationManager.INTERRUPTION_FILTER_ALL:
                 break;
@@ -265,6 +270,18 @@ public class NotificationListener extends NotificationListenerService {
             return;
         }
 
+        // Ignore too frequent notifications, according to user preference
+        long min_timeout = prefs.getInt("notifications_timeout", 0) * 1000;
+        Long cur_time = System.currentTimeMillis();
+        if (notificationTimes.containsKey(source)) {
+            Long last_time = notificationTimes.get(source);
+            if (cur_time - last_time < min_timeout) {
+                LOG.info("Ignoring frequent notification, last one was " + (cur_time - last_time) + "ms ago");
+                return;
+            }
+        }
+        notificationTimes.put(source, cur_time);
+
         GBApplication.deviceService().onNotification(notificationSpec);
     }
 

app/src/main/res/values/arrays.xml

@@ -387,4 +387,28 @@
         <item>1800</item>
         <item>3600</item>
     </string-array>
+
+    <string-array name="notifications_timeout">
+        <item>@string/no_limit</item>
+        <item>@string/seconds_5</item>
+        <item>@string/seconds_10</item>
+        <item>@string/seconds_20</item>
+        <item>@string/seconds_30</item>
+        <item>@string/minutes_1</item>
+        <item>@string/minutes_5</item>
+        <item>@string/minutes_10</item>
+        <item>@string/minutes_30</item>
+    </string-array>
+    <string-array name="notifications_timeout_values">
+        <item>0</item>
+        <item>5</item>
+        <item>10</item>
+        <item>20</item>
+        <item>30</item>
+        <item>60</item>
+        <item>300</item>
+        <item>600</item>
+        <item>1800</item>
+    </string-array>
+
 </resources>

app/src/main/res/values/strings.xml

@@ -94,6 +94,7 @@
     <string name="pref_title_notifications_repetitions">Repetitions</string>
     <string name="pref_title_notifications_call">Phone Calls</string>
     <string name="pref_title_notifications_sms">SMS</string>
+    <string name="pref_title_notifications_timeout">Minimum time between notifications</string>
     <string name="pref_title_notifications_pebblemsg">Pebble Messages</string>
     <string name="pref_summary_notifications_pebblemsg">Support for apps that send notifications to the Pebble via PebbleKit.</string>
     <string name="pref_title_notifications_generic">Generic notification support</string>
@@ -368,6 +369,15 @@
     <string name="heart_rate">Heart rate</string>
     <string name="battery">Battery</string>
 
+    <string name="no_limit">No limit</string>
+    <string name="seconds_5">5 seconds</string>
+    <string name="seconds_10">10 seconds</string>
+    <string name="seconds_20">20 seconds</string>
+    <string name="seconds_30">30 seconds</string>
+    <string name="minutes_1">1 minute</string>
+    <string name="minutes_5">5 minutes</string>
+    <string name="minutes_10">10 minutes</string>
+    <string name="minutes_30">30 minutes</string>
 
     <string name="liveactivity_live_activity">Live activity</string>
     <string name="weeksteps_today_steps_description">Steps today, target: %1$s</string>

app/src/main/res/xml/preferences.xml

@@ -155,6 +155,14 @@
             android:key="notifications_generic_whenscreenon"
             android:title="@string/pref_title_whenscreenon" />
 
+        <ListPreference
+            android:defaultValue="0"
+            android:entries="@array/notifications_timeout"
+            android:entryValues="@array/notifications_timeout_values"
+            android:key="notifications_timeout"
+            android:title="@string/pref_title_notifications_timeout"
+            android:summary="%s" />
+
         <CheckBoxPreference
             android:layout="@layout/preference_checkbox"
             android:defaultValue="false"