Fix search not working in drawer category views

Drawer categories (Quick Access, Recent Files, Images, Videos,
Audio, Documents, APKs, Trash Bin) use numeric paths ("0"–"7")
instead of real filesystem directories.

BasicSearch expects a filesystem path, so searches silently returned
no results when run from these views.

When the current view uses OpenMode.CUSTOM or OpenMode.TRASH_BIN,
search now uses a dedicated FileSearch implementation that filters
the visible dataset (MainFragmentViewModel.listElements) instead of
performing a filesystem search.

Indexed and deep search modes are disabled for these views because
they do not support filesystem-backed search escalation.

Author: geoffreysisco

app/src/main/java/com/amaze/filemanager/asynchronous/asynctasks/searchfilesystem/ListElementsSearch.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2014-2024 Arpit Khurana <arpitkh96@gmail.com>, Vishal Nehra <vishalmeham2@gmail.com>,
+ * Emmanuel Messulam<emmanuelbendavid@gmail.com>, Raymond Lai <airwave209gt at gmail.com> and Contributors.
+ *
+ * This file is part of Amaze File Manager.
+ *
+ * Amaze File Manager is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem
+
+import com.amaze.filemanager.adapters.data.LayoutElementParcelable
+import kotlinx.coroutines.isActive
+import kotlin.coroutines.coroutineContext
+
+class ListElementsSearch(
+    query: String,
+    path: String,
+    searchParameters: SearchParameters,
+    private val items: List<LayoutElementParcelable>,
+) : FileSearch(query, path, searchParameters) {
+    override suspend fun search(filter: SearchFilter) {
+        for (item in items) {
+            if (!coroutineContext.isActive) {
+                break
+            }
+
+            if (item.isBack || item.header) {
+                continue
+            }
+
+            val resultRange = filter.searchFilter(item.title)
+            if (resultRange != null) {
+                publishProgress(item.generateBaseFile(), resultRange)
+            }
+        }
+    }
+}

app/src/main/java/com/amaze/filemanager/ui/activities/MainActivityViewModel.kt

@@ -34,7 +34,9 @@ import com.amaze.filemanager.adapters.data.LayoutElementParcelable
 import com.amaze.filemanager.application.AppConfig
 import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.BasicSearch
 import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.DeepSearch
+import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.FileSearch
 import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.IndexedSearch
+import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.ListElementsSearch
 import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.SearchParameters
 import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.SearchResult
 import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.searchParametersFromBoolean
@@ -117,18 +119,30 @@ class MainActivityViewModel(val applicationContext: Application) :
         query: String,
     ): LiveData<List<SearchResult>> {
         val searchParameters = createSearchParameters(mainActivity)
-
         val path = mainActivity.currentMainFragment?.currentPath ?: ""
+        val openMode =
+            mainActivity.currentMainFragment?.mainFragmentViewModel?.openMode ?: OpenMode.FILE
 
-        val basicSearch = BasicSearch(query, path, searchParameters, this.applicationContext)
+        val fileSearch: FileSearch =
+            if (openMode == OpenMode.CUSTOM || openMode == OpenMode.TRASH_BIN) {
+                ListElementsSearch(
+                    query,
+                    path,
+                    searchParameters,
+                    mainActivity.currentMainFragment?.mainFragmentViewModel?.listElements
+                        ?: emptyList(),
+                )
+            } else {
+                BasicSearch(query, path, searchParameters, this.applicationContext)
+            }
 
         lastSearchJob =
             viewModelScope.launch(Dispatchers.IO) {
-                basicSearch.search()
+                fileSearch.search()
             }
 
-        lastSearchLiveData = basicSearch.foundFilesLiveData
-        return basicSearch.foundFilesLiveData
+        lastSearchLiveData = fileSearch.foundFilesLiveData
+        return fileSearch.foundFilesLiveData
     }
 
     /**

app/src/main/java/com/amaze/filemanager/ui/views/appbar/SearchView.java

@@ -33,6 +33,7 @@
 import com.amaze.filemanager.adapters.SearchRecyclerViewAdapter;
 import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.SearchResult;
 import com.amaze.filemanager.asynchronous.asynctasks.searchfilesystem.SearchResultListSorter;
+import com.amaze.filemanager.fileoperations.filesystem.OpenMode;
 import com.amaze.filemanager.filesystem.files.sort.DirSortBy;
 import com.amaze.filemanager.filesystem.files.sort.SortBy;
 import com.amaze.filemanager.filesystem.files.sort.SortOrder;
@@ -272,9 +273,18 @@ private void basicSearch(String s) {
     searchResultsHintTV.setVisibility(View.VISIBLE);
     searchResultsSortButton.setVisibility(View.VISIBLE);
     searchResultsSortHintTV.setVisibility(View.VISIBLE);
-    deepSearchContainer.setVisibility(View.VISIBLE);
-    searchMode = 1;
-    deepSearchButton.setText(mainActivity.getString(R.string.try_indexed_search));
+
+    OpenMode openMode =
+        mainActivity.getCurrentMainFragment().getMainFragmentViewModel().getOpenMode();
+
+    if (openMode == OpenMode.CUSTOM || openMode == OpenMode.TRASH_BIN) {
+      deepSearchContainer.setVisibility(View.GONE);
+      searchMode = 0;
+    } else {
+      deepSearchContainer.setVisibility(View.VISIBLE);
+      searchMode = 1;
+      deepSearchButton.setText(mainActivity.getString(R.string.try_indexed_search));
+    }
 
     mainActivity
         .getCurrentMainFragment()