Add ability to select all tokens

app/src/main/java/com/beemdevelopment/aegis/ui/MainActivity.java

@@ -1149,6 +1149,10 @@ public class MainActivity extends AegisActivity implements EntryListView.Listene
                     _entryListView.setGroups(_vaultManager.getVault().getUsedGroups());
                     mode.finish();
                 });
+            } else if (itemId == R.id.action_select_all) {
+                _selectedEntries = _entryListView.selectAllEntries();
+                setFavoriteMenuItemVisiblity();
+                setIsMultipleSelected(_selectedEntries.size() > 1);
             } else if (itemId == R.id.action_assign_icons) {
                 startAssignIconsActivity(CODE_ASSIGN_ICONS, _selectedEntries);
                 mode.finish();

app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryAdapter.java

@@ -693,6 +693,23 @@ public class EntryAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
         updateDraggableStatus();
     }
 
+    public List<VaultEntry> selectAllEntries() {
+        _selectedEntries.clear();
+
+        for (VaultEntry entry: _shownEntries) {
+            for (EntryHolder holder: _holders) {
+                if (holder.getEntry() == entry) {
+                    holder.setFocused(true);
+                }
+            }
+
+            _selectedEntries.add(entry);
+            updateDraggableStatus();
+        }
+
+        return new ArrayList<>(_selectedEntries);
+    }
+
     public void deselectAllEntries() {
         for (VaultEntry entry: _selectedEntries) {
             for (EntryHolder holder : _holders) {

app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryListView.java

@@ -191,6 +191,10 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
         _adapter.setCopyBehavior(copyBehavior);
     }
 
+    public List<VaultEntry> selectAllEntries() {
+        return _adapter.selectAllEntries();
+    }
+
     public void setActionModeState(boolean enabled, VaultEntry entry) {
         _touchCallback.setSelectedEntry(entry);
         _touchCallback.setIsLongPressDragEnabled(enabled && _adapter.isDragAndDropAllowed());

app/src/main/res/menu/menu_action_mode.xml

@@ -21,6 +21,13 @@
         android:title="@string/edit"
         app:showAsAction="always" />
 
+    <item
+        android:id="@+id/action_select_all"
+        android:title="@string/select_all"
+        android:orderInCategory="95"
+        android:tint="?attr/iconColorPrimary"
+        app:showAsAction="never"/>
+
     <item
         android:id="@+id/action_assign_icons"
         android:title="@string/assign_icons"

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

@@ -171,6 +171,7 @@
     <string name="set_up_biometric">Set up biometric unlock</string>
     <string name="copy">Copy</string>
     <string name="edit">Edit</string>
+    <string name="select_all">Select all</string>
     <string name="assign_icons">Assign icons</string>
     <string name="favorite" comment="Verb">Favorite</string>
     <string name="unfavorite" comment="Verb">Unfavorite</string>