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feat: 电脑睡眠后唤醒，支持重新开始捕捉屏幕内容。

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This commit is contained in:
Ivan Li 2023-06-17 17:36:32 +08:00
parent bab3b8941e
commit 91983e6728
1 changed files with 42 additions and 32 deletions
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74
src-tauri/src/screenshot_manager.rs
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@ -1,14 +1,16 @@
use std::time::Duration;
use std::{collections::HashMap, sync::Arc};
use core_graphics::display::{
kCGNullWindowID, kCGWindowImageDefault, kCGWindowListOptionOnScreenOnly, CGDisplay,
};
use core_graphics::geometry::{CGPoint, CGRect, CGSize};
use paris::warn;
use paris::{info, warn};
use rust_swift_screencapture::display::CGDisplayId;
use tauri::async_runtime::RwLock;
use tokio::sync::{broadcast, watch, Mutex, OnceCell};
use tokio::task::yield_now;
use tokio::time::sleep;
use crate::screenshot::LedSamplePoints;
use crate::{ambient_light::SamplePointMapper, led_color::LedColor, screenshot::Screenshot};
@ -81,7 +83,7 @@ pub fn get_display_colors(
}
pub struct ScreenshotManager {
pub channels: Arc<RwLock<HashMap<u32, Arc::<RwLock<watch::Sender<Screenshot>>>>>>,
pub channels: Arc<RwLock<HashMap<u32, Arc<RwLock<watch::Sender<Screenshot>>>>>>,
merged_screenshot_tx: Arc<RwLock<broadcast::Sender<Screenshot>>>,
}
@ -110,6 +112,7 @@ impl ScreenshotManager {
.unwrap_or_else(|err| {
warn!("start_one failed: display_id: {}, err: {}", display.id, err);
});
info!("start_one finished: display_id: {}", display.id);
});
futures::future::join_all(futures).await;
@ -117,13 +120,7 @@ impl ScreenshotManager {
}
async fn start_one(&self, display_id: u32, scale_factor: f32) -> anyhow::Result<()> {
let mut channels = self.channels.write().await;
let merged_screenshot_tx = self.merged_screenshot_tx.clone();
let display = rust_swift_screencapture::display::Display::new(display_id);
display.start_capture(30).await;
let mut frame_rx = display.subscribe_frame().await;
let (tx, _) = watch::channel(Screenshot::new(
display_id,
@ -135,36 +132,49 @@ impl ScreenshotManager {
scale_factor,
));
let tx = Arc::new(RwLock::new(tx));
let mut channels = self.channels.write().await;
channels.insert(display_id, tx.clone());
drop(channels);
let tx_for_send = tx.read().await;
loop {
let display = rust_swift_screencapture::display::Display::new(display_id);
let mut frame_rx = display.subscribe_frame().await;
while frame_rx.changed().await.is_ok() {
let frame = frame_rx.borrow().clone();
let screenshot = Screenshot::new(
display_id,
frame.height as u32,
frame.width as u32,
frame.bytes_per_row as usize,
frame.bytes,
scale_factor,
scale_factor,
display.start_capture(30).await;
let tx_for_send = tx.read().await;
while frame_rx.changed().await.is_ok() {
let frame = frame_rx.borrow().clone();
let screenshot = Screenshot::new(
display_id,
frame.height as u32,
frame.width as u32,
frame.bytes_per_row as usize,
frame.bytes,
scale_factor,
scale_factor,
);
let merged_screenshot_tx = merged_screenshot_tx.write().await;
if let Err(err) = merged_screenshot_tx.send(screenshot.clone()) {
// log::warn!("merged_screenshot_tx.send failed: {}", err);
}
if let Err(err) = tx_for_send.send(screenshot.clone()) {
log::warn!("display {} screenshot_tx.send failed: {}", display_id, err);
} else {
log::debug!("screenshot: {:?}", screenshot);
}
yield_now().await;
}
sleep(Duration::from_secs(5)).await;
info!(
"display {} frame_rx.changed() failed, try to restart",
display_id
);
let merged_screenshot_tx = merged_screenshot_tx.write().await;
if let Err(err) = merged_screenshot_tx.send(screenshot.clone()) {
// log::warn!("merged_screenshot_tx.send failed: {}", err);
}
if let Err(err) = tx_for_send.send(screenshot.clone()) {
// log::warn!("display {} screenshot_tx.send failed: {}", display_id, err);
} else {
log::debug!("screenshot: {:?}", screenshot);
}
yield_now().await;
}
Ok(())
}
pub fn get_sorted_colors(colors: &Vec<u8>, mappers: &Vec<SamplePointMapper>) -> Vec<u8> {