Replace app/app_mut on contexts with AsRef/AsMut impls

Co-Authored-By: Brooks Swinnerton <934497+bswinnerton@users.noreply.github.com>

zed/src/workspace/mod.rs

@@ -51,8 +51,8 @@ fn open_paths(params: &OpenParams, app: &mut MutableAppContext) {
     for window_id in app.window_ids().collect::<Vec<_>>() {
         if let Some(handle) = app.root_view::<WorkspaceView>(window_id) {
             if handle.update(app, |view, ctx| {
-                if view.contains_paths(&params.paths, ctx.app()) {
-                    view.open_paths(&params.paths, ctx.app_mut());
+                if view.contains_paths(&params.paths, ctx.as_ref()) {
+                    view.open_paths(&params.paths, ctx.as_mut());
                     log::info!("open paths on existing workspace");
                     true
                 } else {

zed/src/workspace/pane.rs

@@ -110,11 +110,10 @@ impl Pane {
         entry_id: (usize, usize),
         ctx: &mut ViewContext<Self>,
     ) -> bool {
-        if let Some(index) = self
-            .items
-            .iter()
-            .position(|item| item.entry_id(ctx.app()).map_or(false, |id| id == entry_id))
-        {
+        if let Some(index) = self.items.iter().position(|item| {
+            item.entry_id(ctx.as_ref())
+                .map_or(false, |id| id == entry_id)
+        }) {
             self.activate_item(index, ctx);
             true
         } else {

zed/src/workspace/workspace.rs

@@ -153,8 +153,8 @@ impl Workspace {
             .ok_or(anyhow!("worktree {} does not exist", entry.0,))?;
 
         let replica_id = self.replica_id;
-        let file = worktree.file(entry.1, ctx.app())?;
-        let history = file.load_history(ctx.app());
+        let file = worktree.file(entry.1, ctx.as_ref())?;
+        let history = file.load_history(ctx.as_ref());
         let buffer = async move { Ok(Buffer::from_history(replica_id, file, history.await?)) };
 
         let (mut tx, rx) = watch::channel(None);

zed/src/workspace/workspace_view.rs

@@ -214,7 +214,7 @@ impl WorkspaceView {
                     me.loading_entries.remove(&entry);
                     match item {
                         Ok(item) => {
-                            let item_view = item.add_view(ctx.window_id(), settings, ctx.app_mut());
+                            let item_view = item.add_view(ctx.window_id(), settings, ctx.as_mut());
                             me.add_item(item_view, ctx);
                         }
                         Err(error) => {
@@ -243,7 +243,7 @@ impl WorkspaceView {
     pub fn save_active_item(&mut self, _: &(), ctx: &mut ViewContext<Self>) {
         self.active_pane.update(ctx, |pane, ctx| {
             if let Some(item) = pane.active_item() {
-                let task = item.save(ctx.app_mut());
+                let task = item.save(ctx.as_mut());
                 ctx.spawn(task, |_, result, _| {
                     if let Err(e) = result {
                         // TODO - present this error to the user
@@ -258,7 +258,7 @@ impl WorkspaceView {
     pub fn debug_elements(&mut self, _: &(), ctx: &mut ViewContext<Self>) {
         match to_string_pretty(&ctx.debug_elements()) {
             Ok(json) => {
-                ctx.app_mut().copy(&json);
+                ctx.as_mut().copy(&json);
                 log::info!(
                     "copied {:.1} KiB of element debug JSON to the clipboard",
                     json.len() as f32 / 1024.
@@ -323,7 +323,7 @@ impl WorkspaceView {
         let new_pane = self.add_pane(ctx);
         self.activate_pane(new_pane.clone(), ctx);
         if let Some(item) = pane.read(ctx).active_item() {
-            if let Some(clone) = item.clone_on_split(ctx.app_mut()) {
+            if let Some(clone) = item.clone_on_split(ctx.as_mut()) {
                 self.add_item(clone, ctx);
             }
         }
@@ -351,7 +351,7 @@ impl WorkspaceView {
 
     fn add_item(&self, item: Box<dyn ItemViewHandle>, ctx: &mut ViewContext<Self>) {
         let active_pane = self.active_pane();
-        item.set_parent_pane(&active_pane, ctx.app_mut());
+        item.set_parent_pane(&active_pane, ctx.as_mut());
         active_pane.update(ctx, |pane, ctx| {
             let item_idx = pane.add_item(item, ctx);
             pane.activate_item(item_idx, ctx);