From 7c0d084ffcc6a17ccac043a76f6640c89dea6272 Mon Sep 17 00:00:00 2001
From: ByteHamster <info@bytehamster.com>
Date: Sun, 8 May 2022 10:21:39 +0200
Subject: Automatically select lazy loaded items if necessary

---
 .../de/danoeh/antennapod/adapter/SelectableAdapter.java  | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java')

diff --git a/app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java b/app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java
index 43f749ff3..55669596b 100644
--- a/app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java
+++ b/app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java
@@ -20,6 +20,7 @@ abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends Recy
     private final HashSet<Long> selectedIds = new HashSet<>();
     private final Activity activity;
     private OnSelectModeListener onSelectModeListener;
+    boolean shouldSelectLazyLoadedItems = false;
 
     public SelectableAdapter(Activity activity) {
         this.activity = activity;
@@ -34,6 +35,7 @@ abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends Recy
             onSelectModeListener.onStartSelectMode();
         }
 
+        shouldSelectLazyLoadedItems = false;
         selectedIds.clear();
         selectedIds.add(getItemId(pos));
         notifyDataSetChanged();
@@ -56,9 +58,10 @@ abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends Recy
             @Override
             public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
                 if (item.getItemId() == R.id.select_toggle) {
-                    boolean allSelected = selectedIds.size() == getItemCount();
-                    setSelected(0, getItemCount(), !allSelected);
-                    toggleSelectAllIcon(item, !allSelected);
+                    boolean selectAll = selectedIds.size() != getItemCount();
+                    shouldSelectLazyLoadedItems = selectAll;
+                    setSelected(0, getItemCount(), selectAll);
+                    toggleSelectAllIcon(item, selectAll);
                     updateTitle();
                     return true;
                 }
@@ -69,6 +72,7 @@ abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends Recy
             public void onDestroyActionMode(ActionMode mode) {
                 callOnEndSelectMode();
                 actionMode = null;
+                shouldSelectLazyLoadedItems = false;
                 selectedIds.clear();
                 notifyDataSetChanged();
             }
@@ -147,7 +151,7 @@ abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends Recy
         }
     }
 
-    private void updateTitle() {
+    void updateTitle() {
         if (actionMode == null) {
             return;
         }
@@ -166,6 +170,10 @@ abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends Recy
         }
     }
 
+    public boolean shouldSelectLazyLoadedItems() {
+        return shouldSelectLazyLoadedItems;
+    }
+
     public interface OnSelectModeListener {
         void onStartSelectMode();
 
-- 
cgit v1.2.3


From 03220d07748d0908c4cf4e6b260ce828dc5ebaac Mon Sep 17 00:00:00 2001
From: ByteHamster <info@bytehamster.com>
Date: Sun, 8 May 2022 10:55:05 +0200
Subject: Show correct total number for lazy loaded items

---
 .../antennapod/adapter/SelectableAdapter.java      | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

(limited to 'app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java')

diff --git a/app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java b/app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java
index 55669596b..70d00cbff 100644
--- a/app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java
+++ b/app/src/main/java/de/danoeh/antennapod/adapter/SelectableAdapter.java
@@ -15,12 +15,14 @@ import java.util.HashSet;
 /**
  * Used by Recyclerviews that need to provide ability to select items.
  */
-abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<T> {
+public abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<T> {
+    public static final int COUNT_AUTOMATICALLY = -1;
     private ActionMode actionMode;
     private final HashSet<Long> selectedIds = new HashSet<>();
     private final Activity activity;
     private OnSelectModeListener onSelectModeListener;
     boolean shouldSelectLazyLoadedItems = false;
+    private int totalNumberOfItems = COUNT_AUTOMATICALLY;
 
     public SelectableAdapter(Activity activity) {
         this.activity = activity;
@@ -155,9 +157,17 @@ abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends Recy
         if (actionMode == null) {
             return;
         }
+        int totalCount = getItemCount();
+        int selectedCount = selectedIds.size();
+        if (totalNumberOfItems != COUNT_AUTOMATICALLY) {
+            totalCount = totalNumberOfItems;
+            if (shouldSelectLazyLoadedItems) {
+                selectedCount += (totalNumberOfItems - getItemCount());
+            }
+        }
         actionMode.setTitle(activity.getResources()
                 .getQuantityString(R.plurals.num_selected_label, selectedIds.size(),
-                selectedIds.size(), getItemCount()));
+                selectedCount, totalCount));
     }
 
     public void setOnSelectModeListener(OnSelectModeListener onSelectModeListener) {
@@ -174,6 +184,14 @@ abstract class SelectableAdapter<T extends RecyclerView.ViewHolder> extends Recy
         return shouldSelectLazyLoadedItems;
     }
 
+    /**
+     * Sets the total number of items that could be lazy-loaded.
+     * Can also be set to {@link #COUNT_AUTOMATICALLY} to simply use {@link #getItemCount}
+     */
+    public void setTotalNumberOfItems(int totalNumberOfItems) {
+        this.totalNumberOfItems = totalNumberOfItems;
+    }
+
     public interface OnSelectModeListener {
         void onStartSelectMode();
 
-- 
cgit v1.2.3