Added option refresh button / messages widget

app/src/main/java/eu/faircode/email/ActivityWidgetUnified.java

@@ -60,6 +60,7 @@ public class ActivityWidgetUnified extends ActivityBase {
     private ViewButtonColor btnColor;
     private Spinner spFontSize;
     private Spinner spPadding;
+    private CheckBox cbRefresh;
     private CheckBox cbCompose;
     private Button btnSave;
     private ContentLoadingProgressBar pbWait;
@@ -92,6 +93,7 @@ public class ActivityWidgetUnified extends ActivityBase {
         int background = prefs.getInt("widget." + appWidgetId + ".background", Color.TRANSPARENT);
         int font = prefs.getInt("widget." + appWidgetId + ".font", 0);
         int padding = prefs.getInt("widget." + appWidgetId + ".padding", 0);
+        boolean refresh = prefs.getBoolean("widget." + appWidgetId + ".refresh", false);
         boolean compose = prefs.getBoolean("widget." + appWidgetId + ".compose", false);
 
         getSupportActionBar().setSubtitle(R.string.title_widget_title_list);
@@ -105,6 +107,7 @@ public class ActivityWidgetUnified extends ActivityBase {
         btnColor = findViewById(R.id.btnColor);
         spFontSize = findViewById(R.id.spFontSize);
         spPadding = findViewById(R.id.spPadding);
+        cbRefresh = findViewById(R.id.cbRefresh);
         cbCompose = findViewById(R.id.cbCompose);
         btnSave = findViewById(R.id.btnSave);
         pbWait = findViewById(R.id.pbWait);
@@ -173,6 +176,7 @@ public class ActivityWidgetUnified extends ActivityBase {
                 editor.putInt("widget." + appWidgetId + ".background", btnColor.getColor());
                 editor.putInt("widget." + appWidgetId + ".font", tinyOut(font));
                 editor.putInt("widget." + appWidgetId + ".padding", tinyOut(padding));
+                editor.putBoolean("widget." + appWidgetId + ".refresh", cbRefresh.isChecked());
                 editor.putBoolean("widget." + appWidgetId + ".compose", cbCompose.isChecked());
                 editor.putInt("widget." + appWidgetId + ".version", BuildConfig.VERSION_CODE);
 
@@ -291,6 +295,7 @@ public class ActivityWidgetUnified extends ActivityBase {
         btnColor.setColor(background);
         spFontSize.setSelection(tinyIn(font));
         spPadding.setSelection(tinyIn(padding));
+        cbRefresh.setChecked(refresh);
         cbCompose.setChecked(compose);
 
         grpReady.setVisibility(View.GONE);

app/src/main/java/eu/faircode/email/ServiceUI.java

@@ -25,6 +25,8 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.view.Gravity;
+import android.widget.Toast;
 
 import androidx.annotation.Nullable;
 import androidx.core.app.RemoteInput;
@@ -35,6 +37,7 @@ import org.json.JSONException;
 import java.io.File;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
@@ -58,6 +61,8 @@ public class ServiceUI extends IntentService {
     static final int PI_IGNORED = 11;
     static final int PI_THREAD = 12;
 
+    private static final long WIDGET_SYNC_DURATION = 1500L;
+
     public ServiceUI() {
         this(ServiceUI.class.getName());
     }
@@ -158,7 +163,11 @@ public class ServiceUI extends IntentService {
                     break;
 
                 case "sync":
-                    onSync(id);
+                    onSync(id, -1L);
+                    break;
+
+                case "widget":
+                    onWidget(intent, (int) id);
                     break;
 
                 case "exists":
@@ -456,14 +465,18 @@ public class ServiceUI extends IntentService {
         }
     }
 
-    private void onSync(long aid) {
+    private void onSync(long aid, long fid) {
         DB db = DB.getInstance(this);
         try {
             db.beginTransaction();
 
             List<EntityAccount> accounts = db.account().getPollAccounts(aid < 0 ? null : aid);
             for (EntityAccount account : accounts) {
-                List<EntityFolder> folders = db.folder().getSynchronizingFolders(account.id);
+                List<EntityFolder> folders;
+                if (fid < 0)
+                    folders = db.folder().getSynchronizingFolders(account.id);
+                else
+                    folders = Arrays.asList(db.folder().getFolder(fid));
                 if (folders.size() > 0)
                     Collections.sort(folders, folders.get(0).getComparator(this));
                 for (EntityFolder folder : folders)
@@ -476,6 +489,29 @@ public class ServiceUI extends IntentService {
         }
     }
 
+    private void onWidget(Intent intent, int appWidgetId) {
+        long aid = intent.getLongExtra("account", -1L);
+        long fid = intent.getLongExtra("folder", -1L);
+        onSync(aid, fid);
+
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        String key = "widget." + appWidgetId + ".sync";
+        prefs.edit().putLong(key, new Date().getTime() + WIDGET_SYNC_DURATION).apply();
+        WidgetUnified.init(this, appWidgetId);
+
+        ApplicationEx.getMainHandler().postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    prefs.edit().remove(key).apply();
+                    WidgetUnified.init(ServiceUI.this, appWidgetId);
+                } catch (Throwable ex) {
+                    Log.e(ex);
+                }
+            }
+        }, WIDGET_SYNC_DURATION);
+    }
+
     static void sync(Context context, Long account) {
         try {
             Intent sync = new Intent(context, ServiceUI.class)

app/src/main/java/eu/faircode/email/WidgetUnified.java

@@ -35,6 +35,8 @@ import android.widget.RemoteViews;
 import androidx.core.graphics.ColorUtils;
 import androidx.preference.PreferenceManager;
 
+import java.util.Date;
+
 public class WidgetUnified extends AppWidgetProvider {
     @Override
     public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
@@ -49,6 +51,7 @@ public class WidgetUnified extends AppWidgetProvider {
             int background = prefs.getInt("widget." + appWidgetId + ".background", Color.TRANSPARENT);
             int font = prefs.getInt("widget." + appWidgetId + ".font", 0);
             int padding = prefs.getInt("widget." + appWidgetId + ".padding", 0);
+            boolean refresh = prefs.getBoolean("widget." + appWidgetId + ".refresh", false);
             boolean compose = prefs.getBoolean("widget." + appWidgetId + ".compose", false);
             int version = prefs.getInt("widget." + appWidgetId + ".version", 0);
 
@@ -69,6 +72,13 @@ public class WidgetUnified extends AppWidgetProvider {
             PendingIntent pi = PendingIntentCompat.getActivity(
                     context, appWidgetId, view, PendingIntent.FLAG_UPDATE_CURRENT);
 
+            Intent sync = new Intent(context, ServiceUI.class);
+            sync.setAction("widget:" + appWidgetId);
+            sync.putExtra("account", account);
+            sync.putExtra("folder", folder);
+            PendingIntent piSync = PendingIntentCompat.getService(
+                    context, appWidgetId, sync, PendingIntent.FLAG_UPDATE_CURRENT);
+
             Intent edit = new Intent(context, ActivityCompose.class);
             edit.setAction("widget:" + appWidgetId);
             edit.putExtra("action", "new");
@@ -91,6 +101,15 @@ public class WidgetUnified extends AppWidgetProvider {
 
             views.setOnClickPendingIntent(R.id.title, pi);
 
+            views.setViewVisibility(R.id.refresh, refresh ? View.VISIBLE : View.GONE);
+            views.setViewPadding(R.id.refresh, px, px, px, px);
+            views.setOnClickPendingIntent(R.id.refresh, piSync);
+
+            long refreshing = prefs.getLong("widget." + appWidgetId + ".sync", 0L);
+            views.setImageViewResource(R.id.refresh,
+                    refreshing < new Date().getTime()
+                            ? R.drawable.twotone_sync_24 : R.drawable.twotone_compare_arrows_24);
+
             views.setViewVisibility(R.id.compose, compose ? View.VISIBLE : View.GONE);
             views.setViewPadding(R.id.compose, px, px, px, px);
             views.setOnClickPendingIntent(R.id.compose, piCompose);