1use crate::{
2 item::ItemHandle, Axis, ItemDeserializers, Member, Pane, PaneAxis, Workspace, WorkspaceId,
3};
4use anyhow::{Context, Result};
5use async_recursion::async_recursion;
6use db2::sqlez::{
7 bindable::{Bind, Column, StaticColumnCount},
8 statement::Statement,
9};
10use gpui::{AsyncWindowContext, Model, Task, View, WeakView, WindowBounds};
11use project2::Project;
12use std::{
13 path::{Path, PathBuf},
14 sync::Arc,
15};
16use util::ResultExt;
17use uuid::Uuid;
18
19#[derive(Debug, Clone, PartialEq, Eq)]
20pub struct WorkspaceLocation(Arc<Vec<PathBuf>>);
21
22impl WorkspaceLocation {
23 pub fn paths(&self) -> Arc<Vec<PathBuf>> {
24 self.0.clone()
25 }
26}
27
28impl<P: AsRef<Path>, T: IntoIterator<Item = P>> From<T> for WorkspaceLocation {
29 fn from(iterator: T) -> Self {
30 let mut roots = iterator
31 .into_iter()
32 .map(|p| p.as_ref().to_path_buf())
33 .collect::<Vec<_>>();
34 roots.sort();
35 Self(Arc::new(roots))
36 }
37}
38
39impl StaticColumnCount for WorkspaceLocation {}
40impl Bind for &WorkspaceLocation {
41 fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
42 bincode::serialize(&self.0)
43 .expect("Bincode serialization of paths should not fail")
44 .bind(statement, start_index)
45 }
46}
47
48impl Column for WorkspaceLocation {
49 fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
50 let blob = statement.column_blob(start_index)?;
51 Ok((
52 WorkspaceLocation(bincode::deserialize(blob).context("Bincode failed")?),
53 start_index + 1,
54 ))
55 }
56}
57
58#[derive(Debug, PartialEq, Clone)]
59pub struct SerializedWorkspace {
60 pub id: WorkspaceId,
61 pub location: WorkspaceLocation,
62 pub center_group: SerializedPaneGroup,
63 pub bounds: Option<WindowBounds>,
64 pub display: Option<Uuid>,
65 pub docks: DockStructure,
66}
67
68#[derive(Debug, PartialEq, Clone, Default)]
69pub struct DockStructure {
70 pub(crate) left: DockData,
71 pub(crate) right: DockData,
72 pub(crate) bottom: DockData,
73}
74
75impl Column for DockStructure {
76 fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
77 let (left, next_index) = DockData::column(statement, start_index)?;
78 let (right, next_index) = DockData::column(statement, next_index)?;
79 let (bottom, next_index) = DockData::column(statement, next_index)?;
80 Ok((
81 DockStructure {
82 left,
83 right,
84 bottom,
85 },
86 next_index,
87 ))
88 }
89}
90
91impl Bind for DockStructure {
92 fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
93 let next_index = statement.bind(&self.left, start_index)?;
94 let next_index = statement.bind(&self.right, next_index)?;
95 statement.bind(&self.bottom, next_index)
96 }
97}
98
99#[derive(Debug, PartialEq, Clone, Default)]
100pub struct DockData {
101 pub(crate) visible: bool,
102 pub(crate) active_panel: Option<String>,
103 pub(crate) zoom: bool,
104}
105
106impl Column for DockData {
107 fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
108 let (visible, next_index) = Option::<bool>::column(statement, start_index)?;
109 let (active_panel, next_index) = Option::<String>::column(statement, next_index)?;
110 let (zoom, next_index) = Option::<bool>::column(statement, next_index)?;
111 Ok((
112 DockData {
113 visible: visible.unwrap_or(false),
114 active_panel,
115 zoom: zoom.unwrap_or(false),
116 },
117 next_index,
118 ))
119 }
120}
121
122impl Bind for DockData {
123 fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
124 let next_index = statement.bind(&self.visible, start_index)?;
125 let next_index = statement.bind(&self.active_panel, next_index)?;
126 statement.bind(&self.zoom, next_index)
127 }
128}
129
130#[derive(Debug, PartialEq, Clone)]
131pub enum SerializedPaneGroup {
132 Group {
133 axis: Axis,
134 flexes: Option<Vec<f32>>,
135 children: Vec<SerializedPaneGroup>,
136 },
137 Pane(SerializedPane),
138}
139
140#[cfg(test)]
141impl Default for SerializedPaneGroup {
142 fn default() -> Self {
143 Self::Pane(SerializedPane {
144 children: vec![SerializedItem::default()],
145 active: false,
146 })
147 }
148}
149
150impl SerializedPaneGroup {
151 #[async_recursion(?Send)]
152 pub(crate) async fn deserialize(
153 self,
154 project: &Model<Project>,
155 workspace_id: WorkspaceId,
156 workspace: WeakView<Workspace>,
157 cx: &mut AsyncWindowContext,
158 ) -> Option<(Member, Option<View<Pane>>, Vec<Option<Box<dyn ItemHandle>>>)> {
159 match self {
160 SerializedPaneGroup::Group {
161 axis,
162 children,
163 flexes,
164 } => {
165 let mut current_active_pane = None;
166 let mut members = Vec::new();
167 let mut items = Vec::new();
168 for child in children {
169 if let Some((new_member, active_pane, new_items)) = child
170 .deserialize(project, workspace_id, workspace.clone(), cx)
171 .await
172 {
173 members.push(new_member);
174 items.extend(new_items);
175 current_active_pane = current_active_pane.or(active_pane);
176 }
177 }
178
179 if members.is_empty() {
180 return None;
181 }
182
183 if members.len() == 1 {
184 return Some((members.remove(0), current_active_pane, items));
185 }
186
187 Some((
188 Member::Axis(PaneAxis::load(axis, members, flexes)),
189 current_active_pane,
190 items,
191 ))
192 }
193 SerializedPaneGroup::Pane(serialized_pane) => {
194 let pane = workspace
195 .update(cx, |workspace, cx| workspace.add_pane(cx).downgrade())
196 .log_err()?;
197 let active = serialized_pane.active;
198 let new_items = serialized_pane
199 .deserialize_to(project, &pane, workspace_id, workspace.clone(), cx)
200 .await
201 .log_err()?;
202
203 if pane.update(cx, |pane, _| pane.items_len() != 0).log_err()? {
204 let pane = pane.upgrade()?;
205 Some((Member::Pane(pane.clone()), active.then(|| pane), new_items))
206 } else {
207 let pane = pane.upgrade()?;
208 workspace
209 .update(cx, |workspace, cx| workspace.force_remove_pane(&pane, cx))
210 .log_err()?;
211 None
212 }
213 }
214 }
215 }
216}
217
218#[derive(Debug, PartialEq, Eq, Default, Clone)]
219pub struct SerializedPane {
220 pub(crate) active: bool,
221 pub(crate) children: Vec<SerializedItem>,
222}
223
224impl SerializedPane {
225 pub fn new(children: Vec<SerializedItem>, active: bool) -> Self {
226 SerializedPane { children, active }
227 }
228
229 pub async fn deserialize_to(
230 &self,
231 project: &Model<Project>,
232 pane: &WeakView<Pane>,
233 workspace_id: WorkspaceId,
234 workspace: WeakView<Workspace>,
235 cx: &mut AsyncWindowContext,
236 ) -> Result<Vec<Option<Box<dyn ItemHandle>>>> {
237 let mut items = Vec::new();
238 let mut active_item_index = None;
239 for (index, item) in self.children.iter().enumerate() {
240 let project = project.clone();
241 let item_handle = pane
242 .update(cx, |_, cx| {
243 if let Some(deserializer) = cx.global::<ItemDeserializers>().get(&item.kind) {
244 deserializer(project, workspace.clone(), workspace_id, item.item_id, cx)
245 } else {
246 Task::ready(Err(anyhow::anyhow!(
247 "Deserializer does not exist for item kind: {}",
248 item.kind
249 )))
250 }
251 })?
252 .await
253 .log_err();
254
255 items.push(item_handle.clone());
256
257 if let Some(item_handle) = item_handle {
258 pane.update(cx, |pane, cx| {
259 pane.add_item(item_handle.clone(), true, true, None, cx);
260 })?;
261 }
262
263 if item.active {
264 active_item_index = Some(index);
265 }
266 }
267
268 if let Some(active_item_index) = active_item_index {
269 pane.update(cx, |pane, cx| {
270 pane.activate_item(active_item_index, false, false, cx);
271 })?;
272 }
273
274 anyhow::Ok(items)
275 }
276}
277
278pub type GroupId = i64;
279pub type PaneId = i64;
280pub type ItemId = usize;
281
282#[derive(Debug, PartialEq, Eq, Clone)]
283pub struct SerializedItem {
284 pub kind: Arc<str>,
285 pub item_id: ItemId,
286 pub active: bool,
287}
288
289impl SerializedItem {
290 pub fn new(kind: impl AsRef<str>, item_id: ItemId, active: bool) -> Self {
291 Self {
292 kind: Arc::from(kind.as_ref()),
293 item_id,
294 active,
295 }
296 }
297}
298
299#[cfg(test)]
300impl Default for SerializedItem {
301 fn default() -> Self {
302 SerializedItem {
303 kind: Arc::from("Terminal"),
304 item_id: 100000,
305 active: false,
306 }
307 }
308}
309
310impl StaticColumnCount for SerializedItem {
311 fn column_count() -> usize {
312 3
313 }
314}
315impl Bind for &SerializedItem {
316 fn bind(&self, statement: &Statement, start_index: i32) -> Result<i32> {
317 let next_index = statement.bind(&self.kind, start_index)?;
318 let next_index = statement.bind(&self.item_id, next_index)?;
319 statement.bind(&self.active, next_index)
320 }
321}
322
323impl Column for SerializedItem {
324 fn column(statement: &mut Statement, start_index: i32) -> Result<(Self, i32)> {
325 let (kind, next_index) = Arc::<str>::column(statement, start_index)?;
326 let (item_id, next_index) = ItemId::column(statement, next_index)?;
327 let (active, next_index) = bool::column(statement, next_index)?;
328 Ok((
329 SerializedItem {
330 kind,
331 item_id,
332 active,
333 },
334 next_index,
335 ))
336 }
337}