Add empty trash, fixes #118

i18n/en/cosmic_files.ftl

@@ -5,7 +5,18 @@ filesystem = Filesystem
 home = Home
 trash = Trash
 
-# New File/Folder Dialog
+# List view
+name = Name
+modified = Modified
+size = Size
+
+# Dialogs
+
+## Empty Trash Dialog
+empty-trash = Empty trash
+empty-trash-warning = Are you sure you want to permanently delete all the items in Trash?
+
+## New File/Folder Dialog
 create-new-file = Create new file
 create-new-folder = Create new folder
 file-name = File name
@@ -16,7 +27,7 @@ name-hidden = Names starting with "." will be hidden.
 name-invalid = Name cannot be "{$filename}".
 name-no-slashes = Name cannot contain slashes.
 
-# Open/Save Dialog
+## Open/Save Dialog
 cancel = Cancel
 open = Open
 open-file = Open file
@@ -28,20 +39,15 @@ open-multiple-folders = Open multiple folders
 save = Save
 save-file = Save file
 
-# Rename Dialog
+## Rename Dialog
 rename-file = Rename file
 rename-folder = Rename folder
 
-# Replace Dialog
+## Replace Dialog
 replace = Replace
 replace-title = {$filename} already exists in this location.
 replace-warning = Do you want to replace it with the one you are saving? Replacing it will overwrite its content.
 
-# List view
-name = Name
-modified = Modified
-size = Size
-
 # Context Pages
 
 ## About

src/app.rs

@@ -247,6 +247,7 @@ impl ContextPage {
 
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub enum DialogPage {
+    EmptyTrash,
     FailedOperation(u64),
     NewItem {
         parent: PathBuf,
@@ -1034,6 +1035,9 @@ impl Application for App {
             Message::DialogComplete => {
                 if let Some(dialog_page) = self.dialog_pages.pop_front() {
                     match dialog_page {
+                        DialogPage::EmptyTrash => {
+                            self.operation(Operation::EmptyTrash);
+                        }
                         DialogPage::FailedOperation(id) => {
                             log::warn!("TODO: retry operation {}", id);
                         }
@@ -1488,6 +1492,9 @@ impl Application for App {
                                 self.rescan_tab(entity, tab_path),
                             ]));
                         }
+                        tab::Command::EmptyTrash => {
+                            self.dialog_pages.push_back(DialogPage::EmptyTrash);
+                        }
                         tab::Command::FocusButton(id) => {
                             commands.push(widget::button::focus(id));
                         }
@@ -1758,6 +1765,14 @@ impl Application for App {
         let cosmic_theme::Spacing { space_xxs, .. } = theme::active().cosmic().spacing;
 
         let dialog = match dialog_page {
+            DialogPage::EmptyTrash => widget::dialog(fl!("empty-trash"))
+                .body(fl!("empty-trash-warning"))
+                .primary_action(
+                    widget::button::suggested(fl!("empty-trash")).on_press(Message::DialogComplete),
+                )
+                .secondary_action(
+                    widget::button::standard(fl!("cancel")).on_press(Message::DialogCancel),
+                ),
             DialogPage::FailedOperation(id) => {
                 //TODO: try next dialog page (making sure index is used by Dialog messages)?
                 let (operation, err) = self.failed_operations.get(id)?;

src/dialog.rs

@@ -618,6 +618,9 @@ impl Application for App {
                         tab::Command::DropFiles(_, _) => {
                             log::warn!("DropFiles not supported in dialog");
                         }
+                        tab::Command::EmptyTrash => {
+                            log::warn!("EmptyTrash not supported in dialog");
+                        }
                         tab::Command::FocusButton(id) => {
                             commands.push(widget::button::focus(id));
                         }

src/operation.rs

@@ -18,6 +18,8 @@ pub enum Operation {
     Delete {
         paths: Vec<PathBuf>,
     },
+    /// Empty the trash
+    EmptyTrash,
     /// Move items
     Move {
         paths: Vec<PathBuf>,
@@ -100,6 +102,31 @@ impl Operation {
                         .await;
                 }
             }
+            Self::EmptyTrash => {
+                #[cfg(any(
+                    target_os = "windows",
+                    all(
+                        unix,
+                        not(target_os = "macos"),
+                        not(target_os = "ios"),
+                        not(target_os = "android")
+                    )
+                ))]
+                {
+                    tokio::task::spawn_blocking(|| {
+                        let items = trash::os_limited::list()?;
+                        trash::os_limited::purge_all(items)
+                    })
+                    .await
+                    .map_err(err_str)?
+                    .map_err(err_str)?;
+                }
+                let _ = msg_tx
+                    .lock()
+                    .await
+                    .send(Message::PendingProgress(id, 100.0))
+                    .await;
+            }
             Self::Move { paths, to } => {
                 let msg_tx = msg_tx.clone();
                 tokio::task::spawn_blocking(move || {

src/tab.rs

@@ -429,6 +429,7 @@ impl Location {
 pub enum Command {
     Action(Action),
     ChangeLocation(String, Location),
+    EmptyTrash,
     FocusButton(widget::Id),
     FocusTextInput(widget::Id),
     OpenFile(PathBuf),
@@ -449,6 +450,7 @@ pub enum Message {
     ContextMenu(Option<Point>),
     Drag(Option<Rectangle>),
     EditLocation(Option<Location>),
+    EmptyTrash,
     GoNext,
     GoPrevious,
     ItemDown,
@@ -1081,6 +1083,9 @@ impl Tab {
                 }
                 self.edit_location = edit_location;
             }
+            Message::EmptyTrash => {
+                commands.push(Command::EmptyTrash);
+            }
             Message::GoNext => {
                 if let Some(history_i) = self.history_i.checked_add(1) {
                     if let Some(location) = self.history.get(history_i) {
@@ -2270,12 +2275,32 @@ impl Tab {
             .on_scroll(Message::Scroll)
             .width(Length::Fill)
             .height(Length::Fill);
-        let mut tab_view = widget::container(widget::column::with_children(vec![
-            location_view,
-            scrollable.into(),
-        ]))
-        .height(Length::Fill)
-        .width(Length::Fill);
+        let mut tab_column = widget::column::with_children(vec![location_view, scrollable.into()]);
+        if let Location::Trash = self.location {
+            if let Some(items) = self.items_opt() {
+                if !items.is_empty() {
+                    let cosmic_theme::Spacing {
+                        space_xxs,
+                        space_xs,
+                        ..
+                    } = theme::active().cosmic().spacing;
+
+                    tab_column = tab_column.push(
+                        widget::layer_container(widget::row::with_children(vec![
+                            widget::horizontal_space(Length::Fill).into(),
+                            widget::button::standard(fl!("empty-trash"))
+                                .on_press(Message::EmptyTrash)
+                                .into(),
+                        ]))
+                        .padding([space_xxs, space_xs])
+                        .layer(cosmic_theme::Layer::Primary),
+                    );
+                }
+            }
+        }
+        let mut tab_view = widget::container(tab_column)
+            .height(Length::Fill)
+            .width(Length::Fill);
 
         if self.dnd_hovered.as_ref().map(|(l, _)| l) == Some(&tab_location) {
             tab_view = tab_view.style(cosmic::theme::Container::custom(|t| {