1use std::{
2 path::{Path, PathBuf},
3 sync::Arc,
4};
5
6use anyhow::{Context, Result};
7
8use async_recursion::async_recursion;
9use gpui::{platform::WindowBounds, AsyncAppContext, Axis, ModelHandle, Task, ViewHandle};
10
11use db::sqlez::{
12 bindable::{Bind, Column, StaticColumnCount},
13 statement::Statement,
14};
15use project::Project;
16use settings::DockAnchor;
17use util::ResultExt;
18use uuid::Uuid;
19
20use crate::{
21 dock::DockPosition, ItemDeserializers, Member, Pane, PaneAxis, Workspace, WorkspaceId,
22};
23
24#[derive(Debug, Clone, PartialEq, Eq)]
25pub struct WorkspaceLocation(Arc<Vec<PathBuf>>);
26
27impl WorkspaceLocation {
28 pub fn paths(&self) -> Arc<Vec<PathBuf>> {
29 self.0.clone()
30 }
31}
32
33impl<P: AsRef<Path>, T: IntoIterator<Item = P>> From<T> for WorkspaceLocation {
34 fn from(iterator: T) -> Self {
35 let mut roots = iterator
36 .into_iter()
37 .map(|p| p.as_ref().to_path_buf())
38 .collect::<Vec<_>>();
39 roots.sort();
40 Self(Arc::new(roots))
41 }
42}
43
44impl StaticColumnCount for WorkspaceLocation {}
45impl Bind for &WorkspaceLocation {
46 fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
47 bincode::serialize(&self.0)
48 .expect("Bincode serialization of paths should not fail")
49 .bind(statement, start_index)
50 }
51}
52
53impl Column for WorkspaceLocation {
54 fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
55 let blob = statement.column_blob(start_index)?;
56 Ok((
57 WorkspaceLocation(bincode::deserialize(blob).context("Bincode failed")?),
58 start_index + 1,
59 ))
60 }
61}
62
63#[derive(Debug, PartialEq, Clone)]
64pub struct SerializedWorkspace {
65 pub id: WorkspaceId,
66 pub location: WorkspaceLocation,
67 pub dock_position: DockPosition,
68 pub center_group: SerializedPaneGroup,
69 pub dock_pane: SerializedPane,
70 pub left_sidebar_open: bool,
71 pub bounds: Option<WindowBounds>,
72 pub display: Option<Uuid>,
73}
74
75#[derive(Debug, PartialEq, Eq, Clone)]
76pub enum SerializedPaneGroup {
77 Group {
78 axis: Axis,
79 children: Vec<SerializedPaneGroup>,
80 },
81 Pane(SerializedPane),
82}
83
84#[cfg(test)]
85impl Default for SerializedPaneGroup {
86 fn default() -> Self {
87 Self::Pane(SerializedPane {
88 children: vec![SerializedItem::default()],
89 active: false,
90 })
91 }
92}
93
94impl SerializedPaneGroup {
95 #[async_recursion(?Send)]
96 pub(crate) async fn deserialize(
97 &self,
98 project: &ModelHandle<Project>,
99 workspace_id: WorkspaceId,
100 workspace: &ViewHandle<Workspace>,
101 cx: &mut AsyncAppContext,
102 ) -> Option<(Member, Option<ViewHandle<Pane>>)> {
103 match self {
104 SerializedPaneGroup::Group { axis, children } => {
105 let mut current_active_pane = None;
106 let mut members = Vec::new();
107 for child in children {
108 if let Some((new_member, active_pane)) = child
109 .deserialize(project, workspace_id, workspace, cx)
110 .await
111 {
112 members.push(new_member);
113 current_active_pane = current_active_pane.or(active_pane);
114 }
115 }
116
117 if members.is_empty() {
118 return None;
119 }
120
121 if members.len() == 1 {
122 return Some((members.remove(0), current_active_pane));
123 }
124
125 Some((
126 Member::Axis(PaneAxis {
127 axis: *axis,
128 members,
129 }),
130 current_active_pane,
131 ))
132 }
133 SerializedPaneGroup::Pane(serialized_pane) => {
134 let pane = workspace.update(cx, |workspace, cx| workspace.add_pane(cx));
135 let active = serialized_pane.active;
136 serialized_pane
137 .deserialize_to(project, &pane, workspace_id, workspace, cx)
138 .await;
139
140 if pane.read_with(cx, |pane, _| pane.items_len() != 0) {
141 Some((Member::Pane(pane.clone()), active.then(|| pane)))
142 } else {
143 workspace.update(cx, |workspace, cx| workspace.remove_pane(pane, cx));
144 None
145 }
146 }
147 }
148 }
149}
150
151#[derive(Debug, PartialEq, Eq, Default, Clone)]
152pub struct SerializedPane {
153 pub(crate) active: bool,
154 pub(crate) children: Vec<SerializedItem>,
155}
156
157impl SerializedPane {
158 pub fn new(children: Vec<SerializedItem>, active: bool) -> Self {
159 SerializedPane { children, active }
160 }
161
162 pub async fn deserialize_to(
163 &self,
164 project: &ModelHandle<Project>,
165 pane_handle: &ViewHandle<Pane>,
166 workspace_id: WorkspaceId,
167 workspace: &ViewHandle<Workspace>,
168 cx: &mut AsyncAppContext,
169 ) {
170 let mut active_item_index = None;
171 for (index, item) in self.children.iter().enumerate() {
172 let project = project.clone();
173 let item_handle = pane_handle
174 .update(cx, |_, cx| {
175 if let Some(deserializer) = cx.global::<ItemDeserializers>().get(&item.kind) {
176 deserializer(
177 project,
178 workspace.downgrade(),
179 workspace_id,
180 item.item_id,
181 cx,
182 )
183 } else {
184 Task::ready(Err(anyhow::anyhow!(
185 "Deserializer does not exist for item kind: {}",
186 item.kind
187 )))
188 }
189 })
190 .await
191 .log_err();
192
193 if let Some(item_handle) = item_handle {
194 workspace.update(cx, |workspace, cx| {
195 Pane::add_item(workspace, &pane_handle, item_handle, false, false, None, cx);
196 })
197 }
198
199 if item.active {
200 active_item_index = Some(index);
201 }
202 }
203
204 if let Some(active_item_index) = active_item_index {
205 pane_handle.update(cx, |pane, cx| {
206 pane.activate_item(active_item_index, false, false, cx);
207 })
208 }
209 }
210}
211
212pub type GroupId = i64;
213pub type PaneId = i64;
214pub type ItemId = usize;
215
216#[derive(Debug, PartialEq, Eq, Clone)]
217pub struct SerializedItem {
218 pub kind: Arc<str>,
219 pub item_id: ItemId,
220 pub active: bool,
221}
222
223impl SerializedItem {
224 pub fn new(kind: impl AsRef<str>, item_id: ItemId, active: bool) -> Self {
225 Self {
226 kind: Arc::from(kind.as_ref()),
227 item_id,
228 active,
229 }
230 }
231}
232
233#[cfg(test)]
234impl Default for SerializedItem {
235 fn default() -> Self {
236 SerializedItem {
237 kind: Arc::from("Terminal"),
238 item_id: 100000,
239 active: false,
240 }
241 }
242}
243
244impl StaticColumnCount for SerializedItem {
245 fn column_count() -> usize {
246 3
247 }
248}
249impl Bind for &SerializedItem {
250 fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
251 let next_index = statement.bind(self.kind.clone(), start_index)?;
252 let next_index = statement.bind(self.item_id, next_index)?;
253 statement.bind(self.active, next_index)
254 }
255}
256
257impl Column for SerializedItem {
258 fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
259 let (kind, next_index) = Arc::<str>::column(statement, start_index)?;
260 let (item_id, next_index) = ItemId::column(statement, next_index)?;
261 let (active, next_index) = bool::column(statement, next_index)?;
262 Ok((
263 SerializedItem {
264 kind,
265 item_id,
266 active,
267 },
268 next_index,
269 ))
270 }
271}
272
273impl StaticColumnCount for DockPosition {
274 fn column_count() -> usize {
275 2
276 }
277}
278impl Bind for DockPosition {
279 fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
280 let next_index = statement.bind(self.is_visible(), start_index)?;
281 statement.bind(self.anchor(), next_index)
282 }
283}
284
285impl Column for DockPosition {
286 fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
287 let (visible, next_index) = bool::column(statement, start_index)?;
288 let (dock_anchor, next_index) = DockAnchor::column(statement, next_index)?;
289 let position = if visible {
290 DockPosition::Shown(dock_anchor)
291 } else {
292 DockPosition::Hidden(dock_anchor)
293 };
294 Ok((position, next_index))
295 }
296}
297
298#[cfg(test)]
299mod tests {
300 use db::sqlez::connection::Connection;
301 use settings::DockAnchor;
302
303 use super::WorkspaceLocation;
304
305 #[test]
306 fn test_workspace_round_trips() {
307 let db = Connection::open_memory(Some("workspace_id_round_trips"));
308
309 db.exec(indoc::indoc! {"
310 CREATE TABLE workspace_id_test(
311 workspace_id INTEGER,
312 dock_anchor TEXT
313 );"})
314 .unwrap()()
315 .unwrap();
316
317 let workspace_id: WorkspaceLocation = WorkspaceLocation::from(&["\test2", "\test1"]);
318
319 db.exec_bound("INSERT INTO workspace_id_test(workspace_id, dock_anchor) VALUES (?,?)")
320 .unwrap()((&workspace_id, DockAnchor::Bottom))
321 .unwrap();
322
323 assert_eq!(
324 db.select_row("SELECT workspace_id, dock_anchor FROM workspace_id_test LIMIT 1")
325 .unwrap()()
326 .unwrap(),
327 Some((
328 WorkspaceLocation::from(&["\test1", "\test2"]),
329 DockAnchor::Bottom
330 ))
331 );
332 }
333}