cosmic-workspaces/src/wayland/capture.rs

130 lines
3.6 KiB
Rust

use cctk::{
cosmic_protocols::{
screencopy::v1::client::{zcosmic_screencopy_manager_v1, zcosmic_screencopy_session_v1},
toplevel_info::v1::client::zcosmic_toplevel_handle_v1,
workspace::v1::client::zcosmic_workspace_handle_v1,
},
screencopy::{ScreencopySessionData, ScreencopySessionDataExt},
wayland_client::{protocol::wl_output, Proxy, QueueHandle},
};
use std::sync::{
atomic::{AtomicBool, Ordering},
Arc, Mutex,
};
use super::{AppData, Buffer};
#[derive(Clone, PartialEq, Eq)]
pub enum CaptureSource {
Toplevel(zcosmic_toplevel_handle_v1::ZcosmicToplevelHandleV1),
Workspace(
zcosmic_workspace_handle_v1::ZcosmicWorkspaceHandleV1,
wl_output::WlOutput,
),
}
#[allow(clippy::derive_hash_xor_eq)]
impl std::hash::Hash for CaptureSource {
fn hash<H>(&self, state: &mut H)
where
H: std::hash::Hasher,
{
match self {
Self::Toplevel(handle) => handle.id(),
Self::Workspace(handle, _output) => handle.id(),
}
.hash(state)
}
}
#[derive(Clone, Debug, Default)]
pub struct CaptureFilter {
// TODO: Use `WlOutput` when one Wayland connection is used
pub workspaces_on_outputs: Vec<String>,
pub toplevels_on_workspaces: Vec<zcosmic_workspace_handle_v1::ZcosmicWorkspaceHandleV1>,
}
pub struct Capture {
pub buffer: Mutex<Option<Buffer>>,
pub source: CaptureSource,
first_frame: AtomicBool,
running: AtomicBool,
}
impl Capture {
pub fn new(source: CaptureSource) -> Capture {
Capture {
buffer: Mutex::new(None),
source,
first_frame: AtomicBool::new(true),
running: AtomicBool::new(false),
}
}
pub fn for_session(
session: &zcosmic_screencopy_session_v1::ZcosmicScreencopySessionV1,
) -> Option<&Arc<Self>> {
Some(&session.data::<SessionData>()?.capture)
}
pub fn running(&self) -> bool {
self.running.load(Ordering::SeqCst)
}
pub fn first_frame(&self) -> bool {
self.first_frame.load(Ordering::SeqCst)
}
pub fn cancel(&self) {
self.running.store(false, Ordering::SeqCst);
*self.buffer.lock().unwrap() = None;
}
pub fn capture(
self: &Arc<Self>,
manager: &zcosmic_screencopy_manager_v1::ZcosmicScreencopyManagerV1,
qh: &QueueHandle<AppData>,
) {
// Mark as running. If already running, this is not the first frame.
let already_running = self.running.swap(true, Ordering::SeqCst);
self.first_frame.store(!already_running, Ordering::SeqCst);
let udata = SessionData {
session_data: Default::default(),
capture: self.clone(),
};
match &self.source {
CaptureSource::Toplevel(toplevel) => {
manager.capture_toplevel(
toplevel,
zcosmic_screencopy_manager_v1::CursorMode::Hidden,
qh,
udata,
);
}
CaptureSource::Workspace(workspace, output) => {
manager.capture_workspace(
workspace,
output,
zcosmic_screencopy_manager_v1::CursorMode::Hidden,
qh,
udata,
);
}
}
}
}
struct SessionData {
session_data: ScreencopySessionData,
capture: Arc<Capture>,
}
impl ScreencopySessionDataExt for SessionData {
fn screencopy_session_data(&self) -> &ScreencopySessionData {
&self.session_data
}
}
cctk::delegate_screencopy!(AppData, session: [SessionData]);