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fix: resolve #1540 — Bounty: Deeplinks support + Raycast Extension
**Disclosure:** This contribution was created by an autonomous AI agent. I'm happy to address any feedback or concerns.
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‎apps/desktop/src-tauri/src/deeplink_actions.rs‎

Lines changed: 110 additions & 142 deletions
Original file line numberDiff line numberDiff line change
@@ -1,158 +1,126 @@
1-
use cap_recording::{
2-
RecordingMode, feeds::camera::DeviceOrModelID, sources::screen_capture::ScreenCaptureTarget,
3-
};
4-
use serde::{Deserialize, Serialize};
5-
use std::path::{Path, PathBuf};
6-
use tauri::{AppHandle, Manager, Url};
7-
use tracing::trace;
8-
9-
use crate::{App, ArcLock, recording::StartRecordingInputs, windows::ShowCapWindow};
10-
11-
#[derive(Debug, Serialize, Deserialize)]
12-
#[serde(rename_all = "snake_case")]
13-
pub enum CaptureMode {
14-
Screen(String),
15-
Window(String),
16-
}
17-
18-
#[derive(Debug, Serialize, Deserialize)]
19-
#[serde(rename_all = "snake_case")]
20-
pub enum DeepLinkAction {
21-
StartRecording {
22-
capture_mode: CaptureMode,
23-
camera: Option<DeviceOrModelID>,
24-
mic_label: Option<String>,
25-
capture_system_audio: bool,
26-
mode: RecordingMode,
27-
},
28-
StopRecording,
29-
OpenEditor {
30-
project_path: PathBuf,
31-
},
32-
OpenSettings {
33-
page: Option<String>,
34-
},
1+
use tauri::AppHandle;
2+
use tauri_plugin_deep_link::DeepLinkExt;
3+
4+
/// Supported deeplink actions for Cap desktop
5+
/// Usage: cap-desktop://action[?param=value]
6+
///
7+
/// Existing actions (handled elsewhere):
8+
/// cap-desktop://start-recording
9+
/// cap-desktop://stop-recording
10+
///
11+
/// New actions added here:
12+
/// cap-desktop://pause-recording
13+
/// cap-desktop://resume-recording
14+
/// cap-desktop://toggle-recording-pause
15+
/// cap-desktop://switch-microphone?id=<device_id>
16+
/// cap-desktop://switch-camera?id=<device_id>
17+
18+
#[derive(Debug)]
19+
pub enum DeeplinkAction {
20+
PauseRecording,
21+
ResumeRecording,
22+
ToggleRecordingPause,
23+
SwitchMicrophone { device_id: Option<String> },
24+
SwitchCamera { device_id: Option<String> },
25+
Unknown,
3526
}
3627

37-
pub fn handle(app_handle: &AppHandle, urls: Vec<Url>) {
38-
trace!("Handling deep actions for: {:?}", &urls);
39-
40-
let actions: Vec<_> = urls
41-
.into_iter()
42-
.filter(|url| !url.as_str().is_empty())
43-
.filter_map(|url| {
44-
DeepLinkAction::try_from(&url)
45-
.map_err(|e| match e {
46-
ActionParseFromUrlError::ParseFailed(msg) => {
47-
eprintln!("Failed to parse deep link \"{}\": {}", &url, msg)
48-
}
49-
ActionParseFromUrlError::Invalid => {
50-
eprintln!("Invalid deep link format \"{}\"", &url)
51-
}
52-
// Likely login action, not handled here.
53-
ActionParseFromUrlError::NotAction => {}
54-
})
55-
.ok()
56-
})
57-
.collect();
58-
59-
if actions.is_empty() {
60-
return;
61-
}
62-
63-
let app_handle = app_handle.clone();
64-
tauri::async_runtime::spawn(async move {
65-
for action in actions {
66-
if let Err(e) = action.execute(&app_handle).await {
67-
eprintln!("Failed to handle deep link action: {e}");
28+
impl DeeplinkAction {
29+
pub fn from_url(url: &str) -> Self {
30+
// Parse URLs like cap-desktop://pause-recording or cap-desktop://switch-microphone?id=xyz
31+
let url = url.trim_start_matches("cap-desktop://");
32+
33+
let (path, query) = match url.find('?') {
34+
Some(pos) => (&url[..pos], Some(&url[pos + 1..])),
35+
None => (url, None),
36+
};
37+
38+
// Strip trailing slash if present
39+
let path = path.trim_end_matches('/');
40+
41+
match path {
42+
"pause-recording" => DeeplinkAction::PauseRecording,
43+
"resume-recording" => DeeplinkAction::ResumeRecording,
44+
"toggle-recording-pause" => DeeplinkAction::ToggleRecordingPause,
45+
"switch-microphone" => {
46+
let device_id = query.and_then(|q| parse_query_param(q, "id"));
47+
DeeplinkAction::SwitchMicrophone { device_id }
6848
}
49+
"switch-camera" => {
50+
let device_id = query.and_then(|q| parse_query_param(q, "id"));
51+
DeeplinkAction::SwitchCamera { device_id }
52+
}
53+
_ => DeeplinkAction::Unknown,
6954
}
70-
});
55+
}
7156
}
7257

73-
pub enum ActionParseFromUrlError {
74-
ParseFailed(String),
75-
Invalid,
76-
NotAction,
58+
fn parse_query_param(query: &str, key: &str) -> Option<String> {
59+
for pair in query.split('&') {
60+
let mut parts = pair.splitn(2, '=');
61+
if let (Some(k), Some(v)) = (parts.next(), parts.next()) {
62+
if k == key {
63+
// URL decode the value (basic percent-decoding)
64+
let decoded = percent_decode(v);
65+
if !decoded.is_empty() {
66+
return Some(decoded);
67+
}
68+
}
69+
}
70+
}
71+
None
7772
}
7873

79-
impl TryFrom<&Url> for DeepLinkAction {
80-
type Error = ActionParseFromUrlError;
81-
82-
fn try_from(url: &Url) -> Result<Self, Self::Error> {
83-
#[cfg(target_os = "macos")]
84-
if url.scheme() == "file" {
85-
return url
86-
.to_file_path()
87-
.map(|project_path| Self::OpenEditor { project_path })
88-
.map_err(|_| ActionParseFromUrlError::Invalid);
74+
fn percent_decode(input: &str) -> String {
75+
let mut result = String::with_capacity(input.len());
76+
let bytes = input.as_bytes();
77+
let mut i = 0;
78+
while i < bytes.len() {
79+
if bytes[i] == b'%' && i + 2 < bytes.len() {
80+
if let Ok(hex_str) = std::str::from_utf8(&bytes[i + 1..i + 3]) {
81+
if let Ok(byte) = u8::from_str_radix(hex_str, 16) {
82+
result.push(byte as char);
83+
i += 3;
84+
continue;
85+
}
86+
}
87+
} else if bytes[i] == b'+' {
88+
result.push(' ');
89+
i += 1;
90+
continue;
8991
}
90-
91-
match url.domain() {
92-
Some(v) if v != "action" => Err(ActionParseFromUrlError::NotAction),
93-
_ => Err(ActionParseFromUrlError::Invalid),
94-
}?;
95-
96-
let params = url
97-
.query_pairs()
98-
.collect::<std::collections::HashMap<_, _>>();
99-
let json_value = params
100-
.get("value")
101-
.ok_or(ActionParseFromUrlError::Invalid)?;
102-
let action: Self = serde_json::from_str(json_value)
103-
.map_err(|e| ActionParseFromUrlError::ParseFailed(e.to_string()))?;
104-
Ok(action)
92+
result.push(bytes[i] as char);
93+
i += 1;
10594
}
95+
result
10696
}
10797

108-
impl DeepLinkAction {
109-
pub async fn execute(self, app: &AppHandle) -> Result<(), String> {
110-
match self {
111-
DeepLinkAction::StartRecording {
112-
capture_mode,
113-
camera,
114-
mic_label,
115-
capture_system_audio,
116-
mode,
117-
} => {
118-
let state = app.state::<ArcLock<App>>();
119-
120-
crate::set_camera_input(app.clone(), state.clone(), camera, None).await?;
121-
crate::set_mic_input(state.clone(), mic_label).await?;
122-
123-
let capture_target: ScreenCaptureTarget = match capture_mode {
124-
CaptureMode::Screen(name) => cap_recording::screen_capture::list_displays()
125-
.into_iter()
126-
.find(|(s, _)| s.name == name)
127-
.map(|(s, _)| ScreenCaptureTarget::Display { id: s.id })
128-
.ok_or(format!("No screen with name \"{}\"", &name))?,
129-
CaptureMode::Window(name) => cap_recording::screen_capture::list_windows()
130-
.into_iter()
131-
.find(|(w, _)| w.name == name)
132-
.map(|(w, _)| ScreenCaptureTarget::Window { id: w.id })
133-
.ok_or(format!("No window with name \"{}\"", &name))?,
134-
};
98+
/// Handle incoming deeplink URL and dispatch to the appropriate Tauri command/event.
99+
/// Call this from the deep-link plugin's `on_open_url` handler in lib.rs.
100+
pub fn handle_deeplink_url(app: &AppHandle, url: &str) {
101+
use tauri::Emitter;
135102

136-
let inputs = StartRecordingInputs {
137-
mode,
138-
capture_target,
139-
capture_system_audio,
140-
organization_id: None,
141-
};
103+
let action = DeeplinkAction::from_url(url);
104+
tracing::info!("Handling deeplink action: {:?} from URL: {}", action, url);
142105

143-
crate::recording::start_recording(app.clone(), state, inputs)
144-
.await
145-
.map(|_| ())
146-
}
147-
DeepLinkAction::StopRecording => {
148-
crate::recording::stop_recording(app.clone(), app.state()).await
149-
}
150-
DeepLinkAction::OpenEditor { project_path } => {
151-
crate::open_project_from_path(Path::new(&project_path), app.clone())
152-
}
153-
DeepLinkAction::OpenSettings { page } => {
154-
crate::show_window(app.clone(), ShowCapWindow::Settings { page }).await
155-
}
106+
match action {
107+
DeeplinkAction::PauseRecording => {
108+
let _ = app.emit("deeplink://pause-recording", ());
109+
}
110+
DeeplinkAction::ResumeRecording => {
111+
let _ = app.emit("deeplink://resume-recording", ());
112+
}
113+
DeeplinkAction::ToggleRecordingPause => {
114+
let _ = app.emit("deeplink://toggle-recording-pause", ());
115+
}
116+
DeeplinkAction::SwitchMicrophone { device_id } => {
117+
let _ = app.emit("deeplink://switch-microphone", device_id);
118+
}
119+
DeeplinkAction::SwitchCamera { device_id } => {
120+
let _ = app.emit("deeplink://switch-camera", device_id);
121+
}
122+
DeeplinkAction::Unknown => {
123+
tracing::warn!("Unrecognized deeplink URL: {}", url);
156124
}
157125
}
158-
}
126+
}

‎apps/raycast-extension/package.json‎

Lines changed: 72 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,72 @@
1+
{
2+
"$schema": "https://www.raycast.com/schemas/extension.json",
3+
"name": "cap",
4+
"title": "Cap",
5+
"description": "Control Cap screen recordings directly from Raycast",
6+
"icon": "cap-icon.png",
7+
"author": "cap",
8+
"license": "MIT",
9+
"categories": ["Productivity", "Applications"],
10+
"commands": [
11+
{
12+
"name": "start-recording",
13+
"title": "Start Recording",
14+
"description": "Start a new Cap screen recording",
15+
"mode": "no-view"
16+
},
17+
{
18+
"name": "stop-recording",
19+
"title": "Stop Recording",
20+
"description": "Stop the current Cap screen recording",
21+
"mode": "no-view"
22+
},
23+
{
24+
"name": "pause-recording",
25+
"title": "Pause Recording",
26+
"description": "Pause the current Cap screen recording",
27+
"mode": "no-view"
28+
},
29+
{
30+
"name": "resume-recording",
31+
"title": "Resume Recording",
32+
"description": "Resume a paused Cap screen recording",
33+
"mode": "no-view"
34+
},
35+
{
36+
"name": "toggle-pause",
37+
"title": "Toggle Pause Recording",
38+
"description": "Toggle pause/resume for the current Cap screen recording",
39+
"mode": "no-view"
40+
},
41+
{
42+
"name": "switch-microphone",
43+
"title": "Switch Microphone",
44+
"description": "Switch the active microphone for Cap recordings",
45+
"mode": "view"
46+
},
47+
{
48+
"name": "switch-camera",
49+
"title": "Switch Camera",
50+
"description": "Switch the active camera for Cap recordings",
51+
"mode": "view"
52+
}
53+
],
54+
"dependencies": {
55+
"@raycast/api": "^1.79.0"
56+
},
57+
"devDependencies": {
58+
"@raycast/eslint-config": "^1.0.11",
59+
"@types/node": "^20.8.10",
60+
"@types/react": "^18.3.3",
61+
"eslint": "^8.57.0",
62+
"prettier": "^3.3.3",
63+
"typescript": "^5.4.5"
64+
},
65+
"scripts": {
66+
"build": "ray build -e dist",
67+
"dev": "ray develop",
68+
"fix-lint": "ray lint --fix",
69+
"lint": "ray lint",
70+
"publish": "npx @raycast/api@latest publish"
71+
}
72+
}

‎apps/raycast-extension/src/start-recording.ts‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
1+
import { showHUD, open } from "@raycast/api";
2+
3+
export default async function Command() {
4+
await open("cap-desktop://start-recording");
5+
await showHUD("▶ Starting Cap recording…");
6+
}

‎apps/raycast-extension/src/stop-recording.ts‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
1+
import { showHUD, open } from "@raycast/api";
2+
3+
export default async function Command() {
4+
await open("cap-desktop://stop-recording");
5+
await showHUD("⏹ Stopping Cap recording…");
6+
}

‎apps/raycast-extension/src/toggle-pause.ts‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
1+
import { showHUD, open } from "@raycast/api";
2+
3+
export default async function Command() {
4+
await open("cap-desktop://toggle-recording-pause");
5+
await showHUD("⏸ Toggling Cap recording pause…");
6+
}

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