#230 Background synchronization

Make setting to en/disable the background sync (Off, 15 Minutes, 1 Hour, 6 Hours)

6 files changed, 74 insertions, 10 deletions

diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncWorker.java b/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncWorker.java
index 1f6947461..a3dcc624d 100644
--- a/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncWorker.java
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncWorker.java
@@ -43,16 +43,30 @@ public class SyncWorker extends Worker {
     }
 
     public static void register(@NonNull Context context) {
-        Constraints constraints = new Constraints.Builder()
-                .setRequiredNetworkType(NetworkType.CONNECTED)
-                .build();
-        PeriodicWorkRequest work = new PeriodicWorkRequest.Builder(SyncWorker.class, PeriodicWorkRequest.MIN_PERIODIC_INTERVAL_MILLIS, TimeUnit.MILLISECONDS)
-                .setConstraints(constraints)
-                .build();
-        WorkManager.getInstance(context.getApplicationContext()).enqueueUniquePeriodicWork(SyncWorker.TAG, ExistingPeriodicWorkPolicy.KEEP, work);
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context.getApplicationContext());
+        String backgroundSync = sharedPreferences.getString(context.getString(R.string.pref_key_background_sync), context.getString(R.string.pref_value_background_15_minutes));
+        if (!context.getString(R.string.pref_value_background_sync_off).equals(backgroundSync)) {
+            int repeatInterval = 15;
+            TimeUnit unit = TimeUnit.MINUTES;
+            if (context.getString(R.string.pref_value_background_1_hour).equals(backgroundSync)) {
+                repeatInterval = 1;
+                unit = TimeUnit.HOURS;
+            } else if (context.getString(R.string.pref_value_background_6_hours).equals(backgroundSync)) {
+                repeatInterval = 6;
+                unit = TimeUnit.HOURS;
+            }
+            Constraints constraints = new Constraints.Builder()
+                    .setRequiredNetworkType(NetworkType.CONNECTED)
+                    .build();
+            PeriodicWorkRequest work = new PeriodicWorkRequest.Builder(SyncWorker.class, repeatInterval, unit)
+                    .setConstraints(constraints).build();
+            WorkManager.getInstance(context.getApplicationContext()).enqueueUniquePeriodicWork(SyncWorker.TAG, ExistingPeriodicWorkPolicy.REPLACE, work);
+        } else {
+            deregister(context);
+        }
     }
 
-    public static void deregister(@NonNull Context context) {
+    private static void deregister(@NonNull Context context) {
         WorkManager.getInstance(context.getApplicationContext()).cancelAllWorkByTag(TAG);
     }
 }
diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/ui/settings/SettingsFragment.java b/app/src/main/java/it/niedermann/nextcloud/deck/ui/settings/SettingsFragment.java
index bf9e13213..4925c447d 100644
--- a/app/src/main/java/it/niedermann/nextcloud/deck/ui/settings/SettingsFragment.java
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/ui/settings/SettingsFragment.java
@@ -2,6 +2,7 @@ package it.niedermann.nextcloud.deck.ui.settings;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceFragment;
 import android.preference.SwitchPreference;
@@ -13,6 +14,7 @@ import butterknife.ButterKnife;
 import it.niedermann.nextcloud.deck.Application;
 import it.niedermann.nextcloud.deck.DeckLog;
 import it.niedermann.nextcloud.deck.R;
+import it.niedermann.nextcloud.deck.persistence.sync.SyncWorker;
 
 public class SettingsFragment extends PreferenceFragment {
 
@@ -20,6 +22,8 @@ public class SettingsFragment extends PreferenceFragment {
     String prefKeyWifiOnly;
     @BindString(R.string.pref_key_dark_theme)
     String prefKeyDarkTheme;
+    @BindString(R.string.pref_key_background_sync)
+    String prefKeyBackgroundSync;
 
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
@@ -45,5 +49,12 @@ public class SettingsFragment extends PreferenceFragment {
             getActivity().recreate();
             return true;
         });
+
+        final ListPreference backgroundSyncPref = (ListPreference) findPreference(prefKeyBackgroundSync);
+        backgroundSyncPref.setOnPreferenceChangeListener((Preference preference, Object newValue) -> {
+            DeckLog.log("backgroundSync: " + newValue);
+            SyncWorker.register(getActivity().getApplicationContext());
+            return true;
+        });
     }
 }
diff --git a/app/src/main/res/drawable/ic_network_wifi_grey600_24dp.xml b/app/src/main/res/drawable/ic_network_wifi_grey600_24dp.xml
new file mode 100644
index 000000000..1c3b9a41c
--- /dev/null
+++ b/app/src/main/res/drawable/ic_network_wifi_grey600_24dp.xml
@@ -0,0 +1,6 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:tint="#757575" android:viewportHeight="24.0"
+    android:viewportWidth="24.0" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillAlpha=".3" android:fillColor="#FF000000" android:pathData="M12.01,21.49L23.64,7c-0.45,-0.34 -4.93,-4 -11.64,-4C5.28,3 0.81,6.66 0.36,7l11.63,14.49 0.01,0.01 0.01,-0.01z"/>
+    <path android:fillColor="#FF000000" android:pathData="M3.53,10.95l8.46,10.54 0.01,0.01 0.01,-0.01 8.46,-10.54C20.04,10.62 16.81,8 12,8c-4.81,0 -8.04,2.62 -8.47,2.95z"/>
+</vector>
diff --git a/app/src/main/res/values/setup.xml b/app/src/main/res/values/setup.xml
index f25e3291b..e9b860fba 100644
--- a/app/src/main/res/values/setup.xml
+++ b/app/src/main/res/values/setup.xml
@@ -6,6 +6,26 @@
 
     <string name="pref_key_wifi_only" translatable="false">wifiOnly</string>
     <string name="pref_key_dark_theme" translatable="false">darkTheme</string>
+    <string name="pref_key_background_sync" translatable="false">backgroundSync</string>
+
+    <string name="pref_value_background_sync_off">off</string>
+    <string name="pref_value_background_15_minutes">15_minutes</string>
+    <string name="pref_value_background_1_hour">1_hour</string>
+    <string name="pref_value_background_6_hours">6_hours</string>
+
+    <string-array name="background_sync_entries">
+        <item>@string/simple_off</item>
+        <item>@string/minutes_15</item>
+        <item>@string/hour_1</item>
+        <item>@string/hours_6</item>
+    </string-array>
+
+    <string-array name="background_sync_values">
+        <item>@string/pref_value_background_sync_off</item>
+        <item>@string/pref_value_background_15_minutes</item>
+        <item>@string/pref_value_background_1_hour</item>
+        <item>@string/pref_value_background_6_hours</item>
+    </string-array>
 
     <!-- To be concatenated with the account id -->
     <string name="shared_preference_last_board_for_account_" translatable="false">it.niedermann.nextcloud.deck.last_board_for_account_</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d571b42cd..35d8f2eb5 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -130,6 +130,7 @@
     <string name="simple_rename">Rename</string>
     <string name="simple_settings">Settings</string>
     <string name="settings_theme_title">Dark theme</string>
+    <string name="settings_background_sync">Background synchronization</string>
     <string name="pref_value_wifi_and_mobile">Sync on Wi-Fi and mobile data</string>
     <string name="pref_value_wifi_only">Sync only on Wi-Fi</string>
     <string name="pref_value_theme_light">Light</string>
@@ -149,4 +150,8 @@
     <string name="delete_attachment">Delete %1$s</string>
     <string name="no_content">No content yet</string>
     <string name="last_background_sync">Last background sync:</string>
+    <string name="simple_off">Off</string>
+    <string name="minutes_15">15 Minutes</string>
+    <string name="hour_1">1 Hour</string>
+    <string name="hours_6">6 Hours</string>
 </resources>
diff --git a/app/src/main/res/xml/settings.xml b/app/src/main/res/xml/settings.xml
index 98a7220fa..6a24dce9e 100644
--- a/app/src/main/res/xml/settings.xml
+++ b/app/src/main/res/xml/settings.xml
@@ -3,14 +3,22 @@
 
     <SwitchPreference
         android:defaultValue="@string/pref_value_wifi_and_mobile"
-        android:icon="@drawable/ic_sync_grey600_24dp"
+        android:icon="@drawable/ic_network_wifi_grey600_24dp"
         android:key="@string/pref_key_wifi_only"
         android:title="@string/pref_value_wifi_only" />
 
+    <ListPreference
+        android:defaultValue="@string/minutes_15"
+        android:entries="@array/background_sync_entries"
+        android:entryValues="@array/background_sync_values"
+        android:icon="@drawable/ic_sync_grey600_24dp"
+        android:key="@string/pref_key_background_sync"
+        android:summary="%s"
+        android:title="@string/settings_background_sync" />
+
     <SwitchPreference
         android:defaultValue="@string/pref_value_theme_light"
         android:icon="@drawable/ic_brightness_2_grey600_24dp"
         android:key="@string/pref_key_dark_theme"
         android:title="@string/settings_theme_title" />
-
 </PreferenceScreen>