Merge pull request #13982 from nextcloud/trashbin-multiple-selection

Add Bulk Action Support to Trashbin

app/src/main/java/com/nextcloud/client/di/ComponentsModule.java

@@ -1,6 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
  * SPDX-FileCopyrightText: 2020 Chris Narkiewicz <hello@ezaquarii.com>
  * SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
  */
@@ -123,6 +124,7 @@ import com.owncloud.android.ui.preview.PreviewTextFileFragment;
 import com.owncloud.android.ui.preview.PreviewTextFragment;
 import com.owncloud.android.ui.preview.PreviewTextStringFragment;
 import com.owncloud.android.ui.preview.pdf.PreviewPdfFragment;
+import com.nextcloud.ui.trashbinFileActions.TrashbinFileActionsBottomSheet;
 import com.owncloud.android.ui.trashbin.TrashbinActivity;
 
 import androidx.annotation.OptIn;
@@ -225,6 +227,9 @@ abstract class ComponentsModule {
     @ContributesAndroidInjector
     abstract TrashbinActivity trashbinActivity();
 
+    @ContributesAndroidInjector
+    abstract TrashbinFileActionsBottomSheet trashbinFileActionsBottomSheet();
+
     @ContributesAndroidInjector
     abstract UploadFilesActivity uploadFilesActivity();
 

app/src/main/java/com/nextcloud/client/di/ViewModelModule.kt

@@ -1,6 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
  * SPDX-FileCopyrightText: 2019 Chris Narkiewicz <hello@ezaquarii.com>
  * SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
  */
@@ -13,6 +14,7 @@ import com.nextcloud.client.etm.EtmViewModel
 import com.nextcloud.client.logger.ui.LogsViewModel
 import com.nextcloud.ui.fileactions.FileActionsViewModel
 import com.owncloud.android.ui.preview.pdf.PreviewPdfViewModel
+import com.nextcloud.ui.trashbinFileActions.TrashbinFileActionsViewModel
 import com.owncloud.android.ui.unifiedsearch.UnifiedSearchViewModel
 import dagger.Binds
 import dagger.Module
@@ -50,6 +52,11 @@ abstract class ViewModelModule {
     @ViewModelKey(DocumentScanViewModel::class)
     abstract fun documentScanViewModel(vm: DocumentScanViewModel): ViewModel
 
+    @Binds
+    @IntoMap
+    @ViewModelKey(TrashbinFileActionsViewModel::class)
+    abstract fun trashbinFileActionsViewModel(vm: TrashbinFileActionsViewModel): ViewModel
+
     @Binds
     abstract fun bindViewModelFactory(factory: ViewModelFactory): ViewModelProvider.Factory
 }

app/src/main/java/com/nextcloud/ui/trashbinFileActions/TrashbinFileAction.kt

@@ -0,0 +1,32 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+package com.nextcloud.ui.trashbinFileActions
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.IdRes
+import androidx.annotation.StringRes
+import com.owncloud.android.R
+
+enum class TrashbinFileAction(@IdRes val id: Int, @StringRes val title: Int, @DrawableRes val icon: Int? = null) {
+    DELETE_PERMANENTLY(R.id.action_delete, R.string.trashbin_file_remove, R.drawable.ic_delete),
+    RESTORE(R.id.restore, R.string.restore_item, R.drawable.ic_history),
+    SELECT_ALL(R.id.action_select_all_action_menu, R.string.select_all, R.drawable.ic_select_all),
+    SELECT_NONE(R.id.action_deselect_all_action_menu, R.string.deselect_all, R.drawable.ic_select_none);
+
+    companion object {
+        /**
+         * All file actions, in the order they should be displayed
+         */
+        @JvmField
+        val SORTED_VALUES = listOf(
+            DELETE_PERMANENTLY,
+            RESTORE,
+            SELECT_ALL,
+            SELECT_NONE
+        )
+    }
+}

app/src/main/java/com/nextcloud/ui/trashbinFileActions/TrashbinFileActionsBottomSheet.kt

@@ -0,0 +1,233 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+package com.nextcloud.ui.trashbinFileActions
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.annotation.IdRes
+import androidx.appcompat.content.res.AppCompatResources
+import androidx.core.os.bundleOf
+import androidx.core.view.isEmpty
+import androidx.core.view.isVisible
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.setFragmentResult
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.ViewModelProvider
+import com.google.android.material.bottomsheet.BottomSheetBehavior
+import com.google.android.material.bottomsheet.BottomSheetDialog
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment
+import com.nextcloud.android.common.ui.theme.utils.ColorRole
+import com.nextcloud.client.account.CurrentAccountProvider
+import com.nextcloud.client.di.Injectable
+import com.nextcloud.client.di.ViewModelFactory
+import com.nextcloud.utils.extensions.toOCFile
+import com.owncloud.android.R
+import com.owncloud.android.databinding.FileActionsBottomSheetBinding
+import com.owncloud.android.databinding.FileActionsBottomSheetItemBinding
+import com.owncloud.android.datamodel.FileDataStorageManager
+import com.owncloud.android.datamodel.SyncedFolderProvider
+import com.owncloud.android.datamodel.ThumbnailsCacheManager
+import com.owncloud.android.lib.resources.trashbin.model.TrashbinFile
+import com.owncloud.android.utils.DisplayUtils
+import com.owncloud.android.utils.theme.ViewThemeUtils
+import javax.inject.Inject
+
+class TrashbinFileActionsBottomSheet : BottomSheetDialogFragment(), Injectable {
+
+    @Inject
+    lateinit var viewThemeUtils: ViewThemeUtils
+
+    @Inject
+    lateinit var vmFactory: ViewModelFactory
+
+    @Inject
+    lateinit var currentUserProvider: CurrentAccountProvider
+
+    @Inject
+    lateinit var storageManager: FileDataStorageManager
+
+    @Inject
+    lateinit var syncedFolderProvider: SyncedFolderProvider
+
+    private lateinit var viewModel: TrashbinFileActionsViewModel
+
+    private var _binding: FileActionsBottomSheetBinding? = null
+    val binding
+        get() = _binding!!
+
+    private val thumbnailAsyncTasks = mutableListOf<ThumbnailsCacheManager.ThumbnailGenerationTask>()
+
+    fun interface ResultListener {
+        fun onResult(@IdRes actionId: Int)
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        viewModel = ViewModelProvider(this, vmFactory)[TrashbinFileActionsViewModel::class.java]
+        _binding = FileActionsBottomSheetBinding.inflate(inflater, container, false)
+
+        viewModel.uiState.observe(viewLifecycleOwner, this::handleState)
+
+        viewModel.clickActionId.observe(viewLifecycleOwner) { id ->
+            dispatchActionClick(id)
+        }
+
+        viewModel.load(requireArguments())
+
+        val bottomSheetDialog = dialog as BottomSheetDialog
+        bottomSheetDialog.behavior.state = BottomSheetBehavior.STATE_EXPANDED
+        bottomSheetDialog.behavior.skipCollapsed = true
+
+        viewThemeUtils.platform.colorViewBackground(binding.bottomSheet, ColorRole.SURFACE)
+
+        return binding.root
+    }
+
+    private fun handleState(state: TrashbinFileActionsViewModel.UiState) {
+        toggleLoadingOrContent(state)
+        when (state) {
+            is TrashbinFileActionsViewModel.UiState.LoadedForSingleFile -> {
+                loadFileThumbnail(state.titleFile)
+                displayActions(state.actions)
+                displayTitle(state.titleFile)
+            }
+
+            is TrashbinFileActionsViewModel.UiState.LoadedForMultipleFiles -> {
+                setMultipleFilesThumbnail()
+                displayActions(state.actions)
+                displayTitle(state.fileCount)
+            }
+
+            TrashbinFileActionsViewModel.UiState.Loading -> {}
+            TrashbinFileActionsViewModel.UiState.Error -> {
+                context?.let {
+                    Toast.makeText(it, R.string.error_file_actions, Toast.LENGTH_SHORT).show()
+                }
+                dismissAllowingStateLoss()
+            }
+        }
+    }
+
+    private fun loadFileThumbnail(titleFile: TrashbinFile?) {
+        titleFile?.let {
+            DisplayUtils.setThumbnail(
+                it.toOCFile(),
+                binding.thumbnailLayout.thumbnail,
+                currentUserProvider.user,
+                storageManager,
+                thumbnailAsyncTasks,
+                false,
+                context,
+                binding.thumbnailLayout.thumbnailShimmer,
+                syncedFolderProvider.preferences,
+                viewThemeUtils,
+                syncedFolderProvider
+            )
+        }
+    }
+
+    private fun setMultipleFilesThumbnail() {
+        context?.let {
+            val drawable = viewThemeUtils.platform.tintDrawable(it, R.drawable.file_multiple, ColorRole.PRIMARY)
+            binding.thumbnailLayout.thumbnail.setImageDrawable(drawable)
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+
+    fun setResultListener(
+        fragmentManager: FragmentManager,
+        lifecycleOwner: LifecycleOwner,
+        listener: ResultListener
+    ): TrashbinFileActionsBottomSheet {
+        fragmentManager.setFragmentResultListener(REQUEST_KEY, lifecycleOwner) { _, result ->
+            @IdRes val actionId = result.getInt(RESULT_KEY_ACTION_ID, -1)
+            if (actionId != -1) {
+                listener.onResult(actionId)
+            }
+        }
+        return this
+    }
+
+    private fun toggleLoadingOrContent(state: TrashbinFileActionsViewModel.UiState) {
+        if (state is TrashbinFileActionsViewModel.UiState.Loading) {
+            binding.bottomSheetLoading.isVisible = true
+            binding.bottomSheetHeader.isVisible = false
+            viewThemeUtils.platform.colorCircularProgressBar(binding.bottomSheetLoading, ColorRole.PRIMARY)
+        } else {
+            binding.bottomSheetLoading.isVisible = false
+            binding.bottomSheetHeader.isVisible = true
+        }
+    }
+
+    private fun displayActions(actions: List<TrashbinFileAction>) {
+        if (binding.fileActionsList.isEmpty()) {
+            actions.forEach { action ->
+                val view = inflateActionView(action)
+                binding.fileActionsList.addView(view)
+            }
+        }
+    }
+
+    private fun displayTitle(titleFile: TrashbinFile?) {
+        titleFile?.fileName?.let {
+            binding.title.text = it
+        } ?: { binding.title.isVisible = false }
+    }
+
+    private fun displayTitle(fileCount: Int) {
+        binding.title.text = resources.getQuantityString(R.plurals.trashbin_list__footer__file, fileCount, fileCount)
+    }
+
+    private fun inflateActionView(action: TrashbinFileAction): View {
+        val itemBinding = FileActionsBottomSheetItemBinding.inflate(layoutInflater, binding.fileActionsList, false)
+            .apply {
+                root.setOnClickListener {
+                    viewModel.onClick(action)
+                }
+                text.setText(action.title)
+                if (action.icon != null) {
+                    val drawable =
+                        viewThemeUtils.platform.tintDrawable(
+                            requireContext(),
+                            AppCompatResources.getDrawable(requireContext(), action.icon)!!
+                        )
+                    icon.setImageDrawable(drawable)
+                }
+            }
+        return itemBinding.root
+    }
+
+    private fun dispatchActionClick(id: Int?) {
+        if (id != null) {
+            setFragmentResult(REQUEST_KEY, bundleOf(RESULT_KEY_ACTION_ID to id))
+            parentFragmentManager.clearFragmentResultListener(REQUEST_KEY)
+            dismiss()
+        }
+    }
+
+    companion object {
+        private const val REQUEST_KEY = "REQUEST_KEY_ACTION"
+        private const val RESULT_KEY_ACTION_ID = "RESULT_KEY_ACTION_ID"
+
+        @JvmStatic
+        fun newInstance(numberOfAllFiles: Int, files: Collection<TrashbinFile>): TrashbinFileActionsBottomSheet {
+            return TrashbinFileActionsBottomSheet().apply {
+                val argsBundle = bundleOf(
+                    TrashbinFileActionsViewModel.ARG_ALL_FILES_COUNT to numberOfAllFiles,
+                    TrashbinFileActionsViewModel.ARG_FILES to ArrayList<TrashbinFile>(files)
+                )
+                arguments = argsBundle
+            }
+        }
+    }
+}

app/src/main/java/com/nextcloud/ui/trashbinFileActions/TrashbinFileActionsViewModel.kt

@@ -0,0 +1,101 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+package com.nextcloud.ui.trashbinFileActions
+
+import android.os.Bundle
+import androidx.annotation.IdRes
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.nextcloud.client.logger.Logger
+import com.nextcloud.ui.fileactions.FileActionsViewModel
+import com.owncloud.android.R
+import com.owncloud.android.lib.resources.trashbin.model.TrashbinFile
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+class TrashbinFileActionsViewModel @Inject constructor(
+    private val logger: Logger
+) : ViewModel() {
+
+    sealed interface UiState {
+        data object Loading : UiState
+        data object Error : UiState
+        data class LoadedForSingleFile(
+            val actions: List<TrashbinFileAction>,
+            val titleFile: TrashbinFile?
+        ) : UiState
+
+        data class LoadedForMultipleFiles(val actions: List<TrashbinFileAction>, val fileCount: Int) : UiState
+    }
+
+    private val _uiState: MutableLiveData<UiState> = MutableLiveData(UiState.Loading)
+    val uiState: LiveData<UiState>
+        get() = _uiState
+
+    private val _clickActionId: MutableLiveData<Int?> = MutableLiveData(null)
+    val clickActionId: LiveData<Int?>
+        @IdRes
+        get() = _clickActionId
+
+    fun load(arguments: Bundle) {
+        val files: List<TrashbinFile>? = arguments.getParcelableArrayList(ARG_FILES)
+        val numberOfAllFiles: Int = arguments.getInt(FileActionsViewModel.ARG_ALL_FILES_COUNT, 1)
+
+        if (files.isNullOrEmpty()) {
+            logger.d(TAG, "No valid files argument for loading actions")
+            _uiState.postValue(UiState.Error)
+        } else {
+            load(files.toList(), numberOfAllFiles)
+        }
+    }
+
+    private fun load(files: Collection<TrashbinFile>, numberOfAllFiles: Int?) {
+        viewModelScope.launch(Dispatchers.IO) {
+            val toHide = getHiddenActions(numberOfAllFiles, files)
+            val availableActions = getActionsToShow(toHide)
+            updateStateLoaded(files, availableActions)
+        }
+    }
+
+    private fun getHiddenActions(numberOfAllFiles: Int?, files: Collection<TrashbinFile>): List<Int> {
+        numberOfAllFiles?.let {
+            if (files.size >= it) {
+                return listOf(R.id.action_select_all_action_menu)
+            }
+        }
+
+        return listOf()
+    }
+
+    private fun getActionsToShow(toHide: List<Int>) = TrashbinFileAction.SORTED_VALUES.filter { it.id !in toHide }
+
+    private fun updateStateLoaded(files: Collection<TrashbinFile>, availableActions: List<TrashbinFileAction>) {
+        val state: UiState = when (files.size) {
+            1 -> {
+                val file = files.first()
+                UiState.LoadedForSingleFile(availableActions, file)
+            }
+
+            else -> UiState.LoadedForMultipleFiles(availableActions, files.size)
+        }
+        _uiState.postValue(state)
+    }
+
+    fun onClick(action: TrashbinFileAction) {
+        _clickActionId.value = action.id
+    }
+
+    companion object {
+        const val ARG_ALL_FILES_COUNT = "ALL_FILES_COUNT"
+        const val ARG_FILES = "FILES"
+
+        private val TAG = TrashbinFileActionsViewModel::class.simpleName!!
+    }
+}

app/src/main/java/com/nextcloud/utils/extensions/Extensions.kt

@@ -1,6 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
  * SPDX-FileCopyrightText: 2023 Tobias Kaminsky <tobias@kaminsky.me>
  * SPDX-FileCopyrightText: 2023 Nextcloud GmbH
  * SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
@@ -17,6 +18,8 @@ import android.text.method.LinkMovementMethod
 import android.text.style.ClickableSpan
 import android.view.View
 import android.widget.TextView
+import com.owncloud.android.datamodel.OCFile
+import com.owncloud.android.lib.resources.trashbin.model.TrashbinFile
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -79,3 +82,12 @@ fun Long.getFormattedStringDate(format: String): String {
     val simpleDateFormat = SimpleDateFormat(format, Locale.getDefault())
     return simpleDateFormat.format(Date(this))
 }
+
+fun TrashbinFile.toOCFile(): OCFile {
+    val ocFile = OCFile(this.remotePath)
+    ocFile.mimeType = this.mimeType
+    ocFile.fileLength = this.fileLength
+    ocFile.remoteId = this.remoteId
+    ocFile.fileName = this.fileName
+    return ocFile
+}

app/src/main/java/com/owncloud/android/ui/adapter/TrashbinListAdapter.java

@@ -1,6 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
  * SPDX-FileCopyrightText: 2018 Tobias Kaminsky
  * SPDX-FileCopyrightText: 2018 Nextcloud GmbH
  * SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
@@ -16,12 +17,15 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 
+import com.nextcloud.android.common.ui.theme.utils.ColorRole;
 import com.nextcloud.client.account.User;
 import com.nextcloud.client.preferences.AppPreferences;
+import com.nextcloud.utils.extensions.ViewExtensionsKt;
 import com.owncloud.android.R;
 import com.owncloud.android.databinding.ListFooterBinding;
 import com.owncloud.android.databinding.TrashbinItemBinding;
 import com.owncloud.android.datamodel.FileDataStorageManager;
+import com.owncloud.android.datamodel.SyncedFolderProvider;
 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
 import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.lib.resources.trashbin.model.TrashbinFile;
@@ -32,11 +36,16 @@ import com.owncloud.android.utils.MimeTypeUtil;
 import com.owncloud.android.utils.theme.ViewThemeUtils;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
 import androidx.recyclerview.widget.RecyclerView;
 
+import static com.nextcloud.utils.extensions.ViewExtensionsKt.createRoundedOutline;
 import static com.owncloud.android.datamodel.OCFile.PATH_SEPARATOR;
 import static com.owncloud.android.datamodel.OCFile.ROOT_PATH;
 
@@ -57,11 +66,16 @@ public class TrashbinListAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
     private final AppPreferences preferences;
     private final List<ThumbnailsCacheManager.ThumbnailGenerationTask> asyncTasks = new ArrayList<>();
     private final ViewThemeUtils viewThemeUtils;
+    private final SyncedFolderProvider syncedFolderProvider;
+
+    private final Set<TrashbinFile> checkedFiles = new HashSet<>();
+    private boolean isMultiSelect = false;
 
     public TrashbinListAdapter(
         TrashbinActivityInterface trashbinActivityInterface,
         FileDataStorageManager storageManager,
         AppPreferences preferences,
+        SyncedFolderProvider syncedFolderProvider,
         Context context,
         User user,
         ViewThemeUtils viewThemeUtils
@@ -72,6 +86,7 @@ public class TrashbinListAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
         this.storageManager = storageManager;
         this.preferences = preferences;
         this.context = context;
+        this.syncedFolderProvider = syncedFolderProvider;
         this.viewThemeUtils = viewThemeUtils;
     }
 
@@ -110,6 +125,7 @@ public class TrashbinListAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
 
             // layout
             trashbinFileViewHolder.binding.ListItemLayout.setOnClickListener(v -> trashbinActivityInterface.onItemClicked(file));
+            trashbinFileViewHolder.binding.ListItemLayout.setOnLongClickListener(v -> trashbinActivityInterface.onLongItemClicked(file));
 
             // thumbnail
             trashbinFileViewHolder.binding.thumbnail.setTag(file.getRemoteId());
@@ -136,15 +152,44 @@ public class TrashbinListAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
                     file.getDeletionTimestamp() * 1000));
 
             // checkbox
-            trashbinFileViewHolder.binding.customCheckbox.setVisibility(View.GONE);
+            if (isCheckedFile(file)) {
+                trashbinFileViewHolder.binding.customCheckbox.setImageDrawable(
+                    viewThemeUtils.platform.tintDrawable(context, R.drawable.ic_checkbox_marked, ColorRole.PRIMARY));
+            } else {
+                trashbinFileViewHolder.binding.customCheckbox.setImageResource(R.drawable.ic_checkbox_blank_outline);
+            }
+
+            trashbinFileViewHolder.binding.customCheckbox.setVisibility(isMultiSelect ? View.VISIBLE : View.GONE);
+            trashbinFileViewHolder.binding.restore.setVisibility(isMultiSelect ? View.GONE : View.VISIBLE);
+            ViewExtensionsKt.setVisibleIf(trashbinFileViewHolder.binding.overflowMenu, !isMultiSelect());
 
             // overflow menu
             trashbinFileViewHolder.binding.overflowMenu.setOnClickListener(v ->
                     trashbinActivityInterface.onOverflowIconClicked(file, v));
 
             // restore button
-            trashbinFileViewHolder.binding.restore.setOnClickListener(v ->
+            trashbinFileViewHolder.binding.restore.setOnClickListener(v -> trashbinActivityInterface.onRestoreIconClicked(file));
-                    trashbinActivityInterface.onRestoreIconClicked(file, v));
+
+            float cornerRadius = context.getResources().getDimension(R.dimen.selected_grid_container_radius);
+
+            boolean isDarkModeActive = (syncedFolderProvider.getPreferences().isDarkModeEnabled());
+            int selectedItemBackgroundColorId;
+            if (isDarkModeActive) {
+                selectedItemBackgroundColorId = R.color.action_mode_background;
+            } else {
+                selectedItemBackgroundColorId = R.color.selected_item_background;
+            }
+
+            int itemLayoutBackgroundColorId;
+            if (isCheckedFile(file)) {
+                itemLayoutBackgroundColorId = selectedItemBackgroundColorId;
+            } else {
+                itemLayoutBackgroundColorId = R.color.bg_default;
+            }
+
+            trashbinFileViewHolder.binding.ListItemLayout.setOutlineProvider(createRoundedOutline(context, cornerRadius));
+            trashbinFileViewHolder.binding.ListItemLayout.setClipToOutline(true);
+            trashbinFileViewHolder.binding.ListItemLayout.setBackgroundColor(ContextCompat.getColor(context, itemLayoutBackgroundColorId));
 
         } else {
             TrashbinFooterViewHolder trashbinFooterViewHolder = (TrashbinFooterViewHolder) holder;
@@ -275,6 +320,18 @@ public class TrashbinListAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
         return files.size() + 1;
     }
 
+    public int getFilesCount() {
+        return files.size();
+    }
+
+    public void notifyItemChanged(@NonNull TrashbinFile file) {
+        notifyItemChanged(getItemPosition(file));
+    }
+
+    public int getItemPosition(@NonNull TrashbinFile file) {
+        return files.indexOf(file);
+    }
+
     public void cancelAllPendingTasks() {
         for (ThumbnailsCacheManager.ThumbnailGenerationTask task : asyncTasks) {
             if (task != null) {
@@ -295,6 +352,49 @@ public class TrashbinListAdapter extends RecyclerView.Adapter<RecyclerView.ViewH
         notifyDataSetChanged();
     }
 
+    @SuppressLint("NotifyDataSetChanged")
+    public void setMultiSelect(boolean bool) {
+        isMultiSelect = bool;
+        notifyDataSetChanged();
+    }
+
+    public boolean isMultiSelect() {
+        return isMultiSelect;
+    }
+
+    public boolean isCheckedFile(TrashbinFile file) {
+        return checkedFiles.contains(file);
+    }
+
+    public void addCheckedFile(TrashbinFile file) {
+        checkedFiles.add(file);
+    }
+
+    public void removeCheckedFile(TrashbinFile file) {
+        checkedFiles.remove(file);
+    }
+
+    public void addToCheckedFiles(@Nullable List<TrashbinFile> files) {
+        checkedFiles.addAll(files);
+    }
+
+    public Set<TrashbinFile> getCheckedItems() {
+        return checkedFiles;
+    }
+
+    public void setCheckedItem(@Nullable Set<TrashbinFile> files) {
+        checkedFiles.clear();
+        checkedFiles.addAll(files);
+    }
+
+    public void clearCheckedItems() {
+        checkedFiles.clear();
+    }
+
+    public void addAllFilesToCheckedFiles() {
+        addToCheckedFiles(files);
+    }
+
     public class TrashbinFileViewHolder extends RecyclerView.ViewHolder {
         protected TrashbinItemBinding binding;
 

app/src/main/java/com/owncloud/android/ui/interfaces/TrashbinActivityInterface.java

@@ -1,6 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
  * SPDX-FileCopyrightText: 2017 Mario Danic <mario@lovelyhq.com>
  * SPDX-FileCopyrightText: 2017 Nextcloud GmbH
  * SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
@@ -10,11 +11,10 @@ package com.owncloud.android.ui.interfaces;
 import android.view.View;
 
 import com.owncloud.android.lib.resources.trashbin.model.TrashbinFile;
-import com.owncloud.android.ui.adapter.OCFileListAdapter;
 
 /**
- * Interface for communication between {@link com.owncloud.android.ui.fragment.OCFileListFragment}
+ * Interface for communication between {@link com.owncloud.android.ui.trashbin.TrashbinActivity}
- * and {@link OCFileListAdapter}
+ * and {@link com.owncloud.android.ui.adapter.TrashbinListAdapter}
  */
 
 public interface TrashbinActivityInterface {
@@ -22,5 +22,7 @@ public interface TrashbinActivityInterface {
 
     void onItemClicked(TrashbinFile file);
 
-    void onRestoreIconClicked(TrashbinFile file, View view);
+    boolean onLongItemClicked(TrashbinFile file);
+
+    void onRestoreIconClicked(TrashbinFile file);
 }

app/src/main/java/com/owncloud/android/ui/trashbin/TrashbinActivity.kt

@@ -1,6 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
  * SPDX-FileCopyrightText: 2019 Chris Narkiewicz <hello@ezaquarii.com>
  * SPDX-FileCopyrightText: 2018 Tobias Kaminsky <tobias@kaminsky.me>
  * SPDX-FileCopyrightText: 2018 Nextcloud GmbH
@@ -10,23 +11,32 @@ package com.owncloud.android.ui.trashbin
 
 import android.content.Intent
 import android.os.Bundle
+import android.view.ActionMode
 import android.view.Menu
+import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
+import android.widget.AbsListView
 import android.widget.PopupMenu
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.OnBackPressedCallback
+import androidx.annotation.IdRes
 import androidx.annotation.VisibleForTesting
+import androidx.core.content.ContextCompat
 import androidx.core.content.res.ResourcesCompat
+import androidx.drawerlayout.widget.DrawerLayout
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.google.android.material.snackbar.Snackbar
 import com.nextcloud.client.account.CurrentAccountProvider
 import com.nextcloud.client.di.Injectable
 import com.nextcloud.client.network.ClientFactory
 import com.nextcloud.client.preferences.AppPreferences
+import com.nextcloud.client.utils.Throttler
+import com.nextcloud.ui.trashbinFileActions.TrashbinFileActionsBottomSheet
 import com.owncloud.android.R
 import com.owncloud.android.databinding.TrashbinActivityBinding
+import com.owncloud.android.datamodel.SyncedFolderProvider
 import com.owncloud.android.lib.resources.trashbin.model.TrashbinFile
 import com.owncloud.android.ui.activity.DrawerActivity
 import com.owncloud.android.ui.adapter.TrashbinListAdapter
@@ -51,6 +61,9 @@ class TrashbinActivity :
     @Inject
     var preferences: AppPreferences? = null
 
+    @Inject
+    lateinit var syncedFolderProvider: SyncedFolderProvider
+
     @JvmField
     @Inject
     var accountProvider: CurrentAccountProvider? = null
@@ -59,9 +72,8 @@ class TrashbinActivity :
     @Inject
     var clientFactory: ClientFactory? = null
 
-    @JvmField
     @Inject
-    var viewThemeUtils: ViewThemeUtils? = null
+    lateinit var throttler: Throttler
 
     private var trashbinListAdapter: TrashbinListAdapter? = null
 
@@ -71,6 +83,8 @@ class TrashbinActivity :
     private var active = false
     lateinit var binding: TrashbinActivityBinding
 
+    private var mMultiChoiceModeListener: MultiChoiceModeListener? = null
+
     private val onBackPressedCallback = object : OnBackPressedCallback(true) {
         override fun handleOnBackPressed() {
             trashbinPresenter?.navigateUp()
@@ -134,6 +148,7 @@ class TrashbinActivity :
             this,
             storageManager,
             preferences,
+            syncedFolderProvider,
             this,
             user.orElse(accountProvider!!.user),
             viewThemeUtils
@@ -161,6 +176,13 @@ class TrashbinActivity :
         loadFolder()
 
         handleOnBackPressed()
+
+        mMultiChoiceModeListener = MultiChoiceModeListener(
+            this,
+            trashbinListAdapter,
+            viewThemeUtils
+        ) { filesCount, checkedFiles -> openActionsMenu(filesCount, checkedFiles) }
+        addDrawerListener(mMultiChoiceModeListener)
     }
 
     private fun handleOnBackPressed() {
@@ -171,6 +193,8 @@ class TrashbinActivity :
     }
 
     fun loadFolder(onComplete: () -> Unit = {}, onError: () -> Unit = {}) {
+        // exit action mode on data refresh
+        mMultiChoiceModeListener?.exitSelectionMode()
         trashbinListAdapter?.let {
             if (it.itemCount > EMPTY_LIST_COUNT) {
                 binding.swipeContainingList.isRefreshing = true
@@ -205,20 +229,50 @@ class TrashbinActivity :
         val popup = PopupMenu(this, view)
         popup.inflate(R.menu.item_trashbin)
         popup.setOnMenuItemClickListener {
-            trashbinPresenter?.removeTrashbinFile(file)
+            onFileActionChosen(it.itemId, setOf(file))
             true
         }
         popup.show()
     }
 
     override fun onItemClicked(file: TrashbinFile) {
-        if (file.isFolder) {
+        if (trashbinListAdapter?.isMultiSelect == true) {
+            toggleItemToCheckedList(file)
+        } else if (file.isFolder) {
             trashbinPresenter?.enterFolder(file.remotePath)
         }
     }
 
-    override fun onRestoreIconClicked(file: TrashbinFile, view: View) {
+    override fun onRestoreIconClicked(file: TrashbinFile) {
-        trashbinPresenter?.restoreTrashbinFile(file)
+        trashbinPresenter?.restoreTrashbinFile(listOf(file))
+    }
+
+    override fun onLongItemClicked(file: TrashbinFile): Boolean {
+        // Create only once instance of action mode
+        if (mMultiChoiceModeListener?.mActiveActionMode != null) {
+            toggleItemToCheckedList(file)
+        } else {
+            startActionMode(mMultiChoiceModeListener)
+            trashbinListAdapter?.addCheckedFile(file)
+        }
+        mMultiChoiceModeListener?.updateActionModeFile(file)
+        return true
+    }
+
+    /**
+     * Will toggle a file selection status from the action mode
+     *
+     * @param file The concerned TrashbinFile by the selection/deselection
+     */
+    private fun toggleItemToCheckedList(file: TrashbinFile) {
+        trashbinListAdapter?.run {
+            if (isCheckedFile(file)) {
+                removeCheckedFile(file)
+            } else {
+                addCheckedFile(file)
+            }
+        }
+        mMultiChoiceModeListener?.updateActionModeFile(file)
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -315,7 +369,262 @@ class TrashbinActivity :
         }
     }
 
+    private fun openActionsMenu(filesCount: Int, checkedFiles: Set<TrashbinFile>) {
+        throttler.run("overflowClick") {
+            val supportFragmentManager = supportFragmentManager
+
+            TrashbinFileActionsBottomSheet.newInstance(filesCount, checkedFiles)
+                .setResultListener(
+                    supportFragmentManager,
+                    this
+                ) { id: Int ->
+                    onFileActionChosen(
+                        id,
+                        checkedFiles
+                    )
+                }
+                .show(supportFragmentManager, "actions")
+        }
+    }
+
+    private fun onFileActionChosen(@IdRes itemId: Int, checkedFiles: Set<TrashbinFile>): Boolean {
+        if (checkedFiles.isEmpty()) {
+            return false
+        }
+
+        when (itemId) {
+            R.id.action_delete -> {
+                trashbinPresenter?.removeTrashbinFile(checkedFiles)
+                mMultiChoiceModeListener?.exitSelectionMode()
+                return true
+            }
+
+            R.id.restore -> {
+                trashbinPresenter?.restoreTrashbinFile(checkedFiles)
+                mMultiChoiceModeListener?.exitSelectionMode()
+                return true
+            }
+
+            R.id.action_select_all_action_menu -> {
+                selectAllFiles(true)
+                return true
+            }
+
+            R.id.action_deselect_all_action_menu -> {
+                selectAllFiles(false)
+                return true
+            }
+
+            else -> return false
+        }
+    }
+
+    /**
+     * De-/select all elements in the current list view.
+     *
+     * @param select `true` to select all, `false` to deselect all
+     */
+    private fun selectAllFiles(select: Boolean) {
+        trashbinListAdapter?.let {
+            if (select) {
+                it.addAllFilesToCheckedFiles()
+            } else {
+                it.clearCheckedItems()
+            }
+            for (i in 0 until it.itemCount) {
+                it.notifyItemChanged(i)
+            }
+
+            mMultiChoiceModeListener?.invalidateActionMode()
+        }
+    }
+
     companion object {
         const val EMPTY_LIST_COUNT = 1
     }
+
+    /**
+     * Handler for multiple selection mode.
+     *
+     *
+     * Manages input from the user when one or more files or folders are selected in the list.
+     *
+     *
+     * Also listens to changes in navigation drawer to hide and recover multiple selection when it's opened and closed.
+     */
+    internal class MultiChoiceModeListener(
+        val activity: TrashbinActivity,
+        val adapter: TrashbinListAdapter?,
+        val viewThemeUtils: ViewThemeUtils,
+        val openActionsMenu: (Int, Set<TrashbinFile>) -> Unit
+    ) : AbsListView.MultiChoiceModeListener, DrawerLayout.DrawerListener {
+
+        var mActiveActionMode: ActionMode? = null
+        private var mIsActionModeNew = false
+
+        /**
+         * True when action mode is finished because the drawer was opened
+         */
+        private var mActionModeClosedByDrawer = false
+
+        /**
+         * Selected items in list when action mode is closed by drawer
+         */
+        private val mSelectionWhenActionModeClosedByDrawer: MutableSet<TrashbinFile> = HashSet()
+
+        override fun onDrawerSlide(drawerView: View, slideOffset: Float) {
+            // nothing to do
+        }
+
+        override fun onDrawerOpened(drawerView: View) {
+            // nothing to do
+        }
+
+        /**
+         * When the navigation drawer is closed, action mode is recovered in the same state as was when the drawer was
+         * (started to be) opened.
+         *
+         * @param drawerView Navigation drawer just closed.
+         */
+        override fun onDrawerClosed(drawerView: View) {
+            if (mActionModeClosedByDrawer && mSelectionWhenActionModeClosedByDrawer.size > 0) {
+                activity.startActionMode(this)
+
+                adapter?.setCheckedItem(mSelectionWhenActionModeClosedByDrawer)
+
+                mActiveActionMode?.invalidate()
+
+                mSelectionWhenActionModeClosedByDrawer.clear()
+            }
+        }
+
+        /**
+         * If the action mode is active when the navigation drawer starts to move, the action mode is closed and the
+         * selection stored to be recovered when the drawer is closed.
+         *
+         * @param newState One of STATE_IDLE, STATE_DRAGGING or STATE_SETTLING.
+         */
+        override fun onDrawerStateChanged(newState: Int) {
+            if (DrawerLayout.STATE_DRAGGING == newState && mActiveActionMode != null) {
+                adapter?.let {
+                    mSelectionWhenActionModeClosedByDrawer.addAll(
+                        it.checkedItems
+                    )
+                }
+
+                mActiveActionMode?.finish()
+                mActionModeClosedByDrawer = true
+            }
+        }
+
+        /**
+         * Update action mode bar when an item is selected / unselected in the list
+         */
+        override fun onItemCheckedStateChanged(mode: ActionMode, position: Int, id: Long, checked: Boolean) {
+            // nothing to do here
+        }
+
+        /**
+         * Load menu and customize UI when action mode is started.
+         */
+        override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
+            mActiveActionMode = mode
+            // Determine if actionMode is "new" or not (already affected by item-selection)
+            mIsActionModeNew = true
+
+            // fake menu to be able to use bottom sheet instead
+            val inflater: MenuInflater = activity.menuInflater
+            inflater.inflate(R.menu.custom_menu_placeholder, menu)
+            val item = menu.findItem(R.id.custom_menu_placeholder_item)
+            item.icon?.let {
+                item.setIcon(
+                    viewThemeUtils.platform.colorDrawable(
+                        it,
+                        ContextCompat.getColor(activity, R.color.white)
+                    )
+                )
+            }
+
+            mode.invalidate()
+
+            // set actionMode color
+            viewThemeUtils.platform.colorStatusBar(
+                activity,
+                ContextCompat.getColor(activity, R.color.action_mode_background)
+            )
+
+            adapter?.setMultiSelect(true)
+            return true
+        }
+
+        /**
+         * Updates available action in menu depending on current selection.
+         */
+        override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
+            val checkedFiles: Set<TrashbinFile> = adapter?.checkedItems ?: emptySet()
+            val checkedCount = checkedFiles.size
+            val title: String =
+                activity.getResources().getQuantityString(R.plurals.items_selected_count, checkedCount, checkedCount)
+            mode.title = title
+
+            // Determine if we need to finish the action mode because there are no items selected
+            if (checkedCount == 0 && !mIsActionModeNew) {
+                exitSelectionMode()
+            }
+
+            return true
+        }
+
+        /**
+         * Exits the multi file selection mode.
+         */
+        fun exitSelectionMode() {
+            mActiveActionMode?.run {
+                finish()
+            }
+        }
+
+        /**
+         * Will update (invalidate) the action mode adapter/mode to refresh an item selection change
+         *
+         * @param file The concerned TrashbinFile to refresh in adapter
+         */
+        fun updateActionModeFile(file: TrashbinFile) {
+            mIsActionModeNew = false
+            mActiveActionMode?.let {
+                it.invalidate()
+                adapter?.notifyItemChanged(file)
+            }
+        }
+
+        fun invalidateActionMode() {
+            mActiveActionMode?.invalidate()
+        }
+
+        /**
+         * Starts the corresponding action when a menu item is tapped by the user.
+         */
+        override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
+            adapter?.let {
+                val checkedFiles: Set<TrashbinFile> = it.checkedItems
+                if (item.itemId == R.id.custom_menu_placeholder_item) {
+                    openActionsMenu(it.filesCount, checkedFiles)
+                }
+                return true
+            }
+            return false
+        }
+
+        /**
+         * Restores UI.
+         */
+        override fun onDestroyActionMode(mode: ActionMode) {
+            mActiveActionMode = null
+
+            viewThemeUtils.platform.resetStatusBar(activity)
+
+            adapter?.setMultiSelect(false)
+            adapter?.clearCheckedItems()
+        }
+    }
 }

app/src/main/java/com/owncloud/android/ui/trashbin/TrashbinContract.kt

@@ -1,6 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
  * SPDX-FileCopyrightText: 2018 Tobias Kaminsky <tobias@kaminsky.me>
  * SPDX-FileCopyrightText: 2018 Nextcloud GmbH
  * SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
@@ -28,8 +29,8 @@ interface TrashbinContract {
         fun loadFolder(onCompleted: () -> Unit = {}, onError: () -> Unit = {})
         fun navigateUp()
         fun enterFolder(folder: String?)
-        fun restoreTrashbinFile(file: TrashbinFile?)
+        fun restoreTrashbinFile(files: Collection<TrashbinFile?>)
-        fun removeTrashbinFile(file: TrashbinFile?)
+        fun removeTrashbinFile(files: Collection<TrashbinFile?>)
         fun emptyTrashbin()
     }
 }

app/src/main/java/com/owncloud/android/ui/trashbin/TrashbinPresenter.kt

@@ -1,6 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
+ * SPDX-FileCopyrightText: 2024 TSI-mc <surinder.kumar@t-systems.com>
  * SPDX-FileCopyrightText: 2018 Tobias Kaminsky <tobias@kaminsky.me>
  * SPDX-FileCopyrightText: 2018 Nextcloud GmbH
  * SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
@@ -61,7 +62,8 @@ class TrashbinPresenter(
         trashbinView.atRoot(isRoot)
     }
 
-    override fun restoreTrashbinFile(file: TrashbinFile?) {
+    override fun restoreTrashbinFile(files: Collection<TrashbinFile?>) {
+        for (file in files) {
             trashbinRepository.restoreFile(
                 file,
                 object : TrashbinRepository.OperationCallback {
@@ -75,8 +77,10 @@ class TrashbinPresenter(
                 }
             )
         }
+    }
 
-    override fun removeTrashbinFile(file: TrashbinFile?) {
+    override fun removeTrashbinFile(files: Collection<TrashbinFile?>) {
+        for (file in files) {
             trashbinRepository.removeTrashbinFile(
                 file,
                 object : TrashbinRepository.OperationCallback {
@@ -90,6 +94,7 @@ class TrashbinPresenter(
                 }
             )
         }
+    }
 
     override fun emptyTrashbin() {
         trashbinRepository.emptyTrashbin(object : TrashbinRepository.OperationCallback {

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

@@ -584,6 +584,10 @@
         <item quantity="one">%1$d file</item>
         <item quantity="other">%1$d files</item>
     </plurals>
+    <plurals name="trashbin_list__footer__file">
+        <item quantity="one">%1$d item</item>
+        <item quantity="other">%1$d items</item>
+    </plurals>
     <string name="set_picture_as">Use picture as</string>
     <string name="set_as">Set As</string>
 
@@ -880,6 +884,7 @@
     <string name="first_run_4_text">Screensharing, online meetings and web conferences</string>
     <string name="restore_button_description">Restore deleted file</string>
     <string name="restore">Restore file</string>
+    <string name="restore_item">Restore</string>
     <string name="new_version_was_created">New version was created</string>
     <string name="new_comment">New comment…</string>
     <string name="error_comment_file">Error commenting file</string>