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fix(control): screenshot_loop is no longer blocking, preview states are now consistently changed

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This commit is contained in:
E44
2026-01-18 22:22:30 +01:00
parent d61ef0fe94
commit 0e87ca3ae1
5 changed files with 77 additions and 43 deletions
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control/frontend/src/lib/ts/stores/displays.ts
+53 -35
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@@ -71,8 +71,15 @@ export async function edit_display_data(
): Promise<Display | null> {
let display = await db.displays.get(display_id);
if (!display) return null;
display = { ...display, ip: ip, mac: mac, name: name };
display = {
...display,
ip: ip,
mac: mac,
name,
preview: { currently_updating: false, url: null }
};
await db.displays.put(display); // save
screenshot_loop(display.id);
return display;
}
@@ -127,49 +134,60 @@ export async function get_display_by_id(display_id: string): Promise<Display | n
return (await db.displays.get(display_id)) ?? null;
}
export async function screenshot_loop(display_id: string) {
const settings = get(preview_settings);
if (settings.mode === 'never') return;
export function screenshot_loop(display_id: string) {
setTimeout(async () => {
let settings = get(preview_settings);
if (settings.mode === 'never') return;
const initial_retry_count = settings.retry_count.now;
const retry_seconds = get(preview_settings).retry_seconds.now;
const initial_retry_count = settings.retry_count.now;
const retry_seconds = get(preview_settings).retry_seconds.now;
const display = await db.displays.get(display_id);
if (!display || display.preview.currently_updating) return;
const display = await db.displays.get(display_id);
if (!display || display.preview.currently_updating) return;
display.preview.currently_updating = true;
await db.displays.update(display.id, { preview: display.preview });
display.preview.currently_updating = true;
await db.displays.update(display.id, { preview: display.preview });
let last_hash: number | null = null;
let last_hash: number | null = null;
let retry_count = initial_retry_count;
while (retry_count > 0) {
if (settings.mode !== 'always') retry_count -= 1;
let retry_count = initial_retry_count;
while (retry_count > 0) {
settings = get(preview_settings);
if (settings.mode === 'never') break;
if (settings.mode !== 'always') retry_count -= 1;
const new_blob = await get_screenshot(display.ip);
if (!new_blob) {
display.preview = { currently_updating: false, url: null };
await db.displays.update(display.id, { preview: display.preview });
return;
}
const new_hash = await image_content_hash(new_blob);
if (last_hash !== new_hash) {
if (display.preview.url) {
URL.revokeObjectURL(display.preview.url);
const new_blob = await get_screenshot(display.ip);
settings = get(preview_settings);
if (settings.mode === 'never') break;
if (!new_blob) {
display.preview = { currently_updating: false, url: null };
await db.displays.update(display.id, { preview: display.preview });
return;
}
const new_hash = await image_content_hash(new_blob);
if (last_hash !== new_hash) {
if (display.preview.url) {
URL.revokeObjectURL(display.preview.url);
}
last_hash = new_hash;
display.preview.url = URL.createObjectURL(new_blob);
await db.displays.update(display.id, { preview: display.preview });
retry_count = initial_retry_count;
}
last_hash = new_hash;
display.preview.url = URL.createObjectURL(new_blob);
await db.displays.update(display.id, { preview: display.preview });
retry_count = initial_retry_count;
await new Promise((resolve) => setTimeout(resolve, retry_seconds * 1000)); // sleep
}
await new Promise((resolve) => setTimeout(resolve, retry_seconds * 1000)); // sleep
}
display.preview.currently_updating = false;
await db.displays.update(display.id, { preview: display.preview });
if (settings.mode === 'never') {
await db.displays.update(display.id, { preview: { currently_updating: false, url: null } });
} else {
display.preview.currently_updating = false;
await db.displays.update(display.id, { preview: display.preview });
}
}, 0);
}
export async function run_on_all_selected_displays(
@@ -188,7 +206,7 @@ export async function run_on_all_selected_displays(
if (!display || (ignore_offline && display.status === 'host_offline')) return;
await run_function(display);
if (update_screenshot_afterwards) {
await screenshot_loop(display.id);
screenshot_loop(display.id);
}
})
);