Added swipe refresh to unified accounts

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

@@ -24,6 +24,7 @@ import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.graphics.Color;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -44,8 +45,10 @@ import androidx.preference.PreferenceManager;
 import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.snackbar.Snackbar;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -55,6 +58,8 @@ public class FragmentAccounts extends FragmentBase {
 
     private boolean cards;
 
+    private ViewGroup view;
+    private SwipeRefreshLayout swipeRefresh;
     private RecyclerView rvAccount;
     private ContentLoadingProgressBar pbWait;
     private Group grpReady;
@@ -82,9 +87,10 @@ public class FragmentAccounts extends FragmentBase {
         setSubtitle(R.string.title_list_accounts);
         setHasOptionsMenu(true);
 
-        View view = inflater.inflate(R.layout.fragment_accounts, container, false);
+        view = (ViewGroup) inflater.inflate(R.layout.fragment_accounts, container, false);
 
         // Get controls
+        swipeRefresh = view.findViewById(R.id.swipeRefresh);
         rvAccount = view.findViewById(R.id.rvAccount);
         pbWait = view.findViewById(R.id.pbWait);
         grpReady = view.findViewById(R.id.grpReady);
@@ -93,6 +99,17 @@ public class FragmentAccounts extends FragmentBase {
 
         // Wire controls
 
+        int colorPrimary = Helper.resolveColor(getContext(), R.attr.colorPrimary);
+        swipeRefresh.setColorSchemeColors(Color.WHITE, Color.WHITE, Color.WHITE);
+        swipeRefresh.setProgressBackgroundColorSchemeColor(colorPrimary);
+        swipeRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+            @Override
+            public void onRefresh() {
+                onSwipeRefresh();
+            }
+        });
+        swipeRefresh.setEnabled(!settings);
+
         rvAccount.setHasFixedSize(false);
         LinearLayoutManager llm = new LinearLayoutManager(getContext());
         rvAccount.setLayoutManager(llm);
@@ -279,4 +296,68 @@ public class FragmentAccounts extends FragmentBase {
 
         super.onPrepareOptionsMenu(menu);
     }
+
+    private void onSwipeRefresh() {
+        Bundle args = new Bundle();
+
+        new SimpleTask<Void>() {
+            @Override
+            protected void onPostExecute(Bundle args) {
+                swipeRefresh.setRefreshing(false);
+            }
+
+            @Override
+            protected Void onExecute(Context context, Bundle args) {
+                if (!ConnectionHelper.getNetworkState(context).isSuitable())
+                    throw new IllegalStateException(context.getString(R.string.title_no_internet));
+
+                boolean now = true;
+
+                DB db = DB.getInstance(context);
+                try {
+                    db.beginTransaction();
+
+                    // Unified inbox
+                    List<EntityFolder> folders = db.folder().getFoldersSynchronizingUnified(null);
+                    for (EntityFolder folder : folders) {
+                        EntityOperation.sync(context, folder.id, true);
+
+                        if (folder.account != null) {
+                            EntityAccount account = db.account().getAccount(folder.account);
+                            if (account != null && !"connected".equals(account.state))
+                                now = false;
+                        }
+                    }
+
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+
+                if (!now)
+                    throw new IllegalArgumentException(context.getString(R.string.title_no_connection));
+
+                return null;
+            }
+
+            @Override
+            protected void onException(Bundle args, Throwable ex) {
+                if (ex instanceof IllegalStateException) {
+                    Snackbar snackbar = Snackbar.make(view, ex.getMessage(), Snackbar.LENGTH_LONG);
+                    snackbar.setAction(R.string.title_fix, new View.OnClickListener() {
+                        @Override
+                        public void onClick(View view) {
+                            getContext().startActivity(
+                                    new Intent(getContext(), ActivitySetup.class)
+                                            .putExtra("tab", "connection"));
+                        }
+                    });
+                    snackbar.show();
+                } else if (ex instanceof IllegalArgumentException)
+                    Snackbar.make(view, ex.getMessage(), Snackbar.LENGTH_LONG).show();
+                else
+                    Helper.unexpectedError(getFragmentManager(), ex);
+            }
+        }.execute(this, args, "folders:refresh");
+    }
 }

app/src/main/res/layout/fragment_accounts.xml

@@ -6,41 +6,47 @@
     android:layout_height="match_parent"
     tools:context=".ActivitySetup">
 
-    <androidx.constraintlayout.widget.ConstraintLayout
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/swipeRefresh"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/rvAccount"
-            android:layout_width="0dp"
-            android:layout_height="0dp"
-            android:clipToPadding="false"
-            android:paddingTop="6dp"
-            android:paddingBottom="90dp"
-            android:scrollbarStyle="outsideOverlay"
-            android:scrollbars="vertical"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
 
-        <eu.faircode.email.ContentLoadingProgressBar
-            android:id="@+id/pbWait"
-            style="@style/Base.Widget.AppCompat.ProgressBar"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:indeterminate="true"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/rvAccount"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                android:clipToPadding="false"
+                android:paddingTop="6dp"
+                android:paddingBottom="90dp"
+                android:scrollbarStyle="outsideOverlay"
+                android:scrollbars="vertical"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
 
-        <androidx.constraintlayout.widget.Group
-            android:id="@+id/grpReady"
-            android:layout_width="0dp"
-            android:layout_height="0dp"
-            app:constraint_referenced_ids="rvAccount" />
-    </androidx.constraintlayout.widget.ConstraintLayout>
+            <eu.faircode.email.ContentLoadingProgressBar
+                android:id="@+id/pbWait"
+                style="@style/Base.Widget.AppCompat.ProgressBar"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:indeterminate="true"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <androidx.constraintlayout.widget.Group
+                android:id="@+id/grpReady"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                app:constraint_referenced_ids="rvAccount" />
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/fabCompose"