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import type LilbeePlugin from "../main";
import { BACKGROUND_TASK_TYPES, TASK_QUEUE, TASK_STATUS, type TaskEntry, type TaskStatus } from "../types";
import { MESSAGES } from "../locales/en";
import { FLASH_WINDOW_MS } from "../task-queue";
import { formatBytes, formatElapsed, formatRate, relativeTime, TIME_REFRESH_INTERVAL_MS } from "../utils";
const ACTIVE_PCT_CAP = 99;
export const VIEW_TYPE_TASKS = "lilbee-tasks";
const ACTIVE_REFRESH_INTERVAL_MS = 1000;
export class TaskCenterView extends ItemView {
private plugin: LilbeePlugin;
private unsubscribe: (() => void) | null = null;
private countersEl: HTMLElement | null = null;
private capPill: HTMLElement | null = null;
private activeSection: HTMLElement | null = null;
private queuedSection: HTMLElement | null = null;
private completedSection: HTMLElement | null = null;
private refreshInterval: number | null = null;
private refreshIntervalMs = TIME_REFRESH_INTERVAL_MS;
constructor(leaf: WorkspaceLeaf, plugin: LilbeePlugin) {
super(leaf);
this.plugin = plugin;
}
getViewType(): string {
return VIEW_TYPE_TASKS;
}
getDisplayText(): string {
return MESSAGES.LABEL_TASKS_VIEW;
}
getIcon(): string {
return "list-checks";
}
async onOpen(): Promise<void> {
const { contentEl } = this;
contentEl.empty();
contentEl.addClass("lilbee-tasks-container");
const header = contentEl.createDiv({ cls: "lilbee-tasks-header" });
header.createEl("h2", { text: MESSAGES.LABEL_TASK_CENTER });
this.countersEl = header.createEl("span", { cls: "lilbee-tasks-counters" });
this.capPill = header.createEl("span", { cls: "lilbee-tasks-cap-pill" });
this.capPill.style.display = "none";
const clearBtn = header.createEl("button", { cls: "lilbee-tasks-clear" });
clearBtn.textContent = MESSAGES.BUTTON_CLEAR_TASKS;
clearBtn.addEventListener("click", () => {
this.plugin.taskQueue.clearHistory();
this.render();
});
this.activeSection = contentEl.createDiv({ cls: "lilbee-tasks-section" });
this.activeSection.createDiv({ cls: "lilbee-tasks-section-header" }).textContent = MESSAGES.LABEL_ACTIVE_TASKS;
this.queuedSection = contentEl.createDiv({ cls: "lilbee-tasks-section" });
this.queuedSection.createDiv({ cls: "lilbee-tasks-section-header" }).textContent = MESSAGES.LABEL_QUEUED_TASKS;
this.completedSection = contentEl.createDiv({ cls: "lilbee-tasks-section" });
this.completedSection.createDiv({ cls: "lilbee-tasks-section-header" }).textContent =
MESSAGES.LABEL_COMPLETED_TASKS;
this.unsubscribe = this.plugin.taskQueue.onChange(() => this.render());
this.retuneRefreshInterval();
this.render();
}
async onClose(): Promise<void> {
this.unsubscribe?.();
if (this.refreshInterval !== null) {
clearInterval(this.refreshInterval);
this.refreshInterval = null;
}
}
private render(): void {
if (!this.activeSection || !this.queuedSection || !this.completedSection) return;
this.renderCounters();
this.renderCapPill();
this.renderActive();
this.renderQueued();
this.renderCompleted();
this.retuneRefreshInterval();
}
private retuneRefreshInterval(): void {
const hasActive = this.plugin.taskQueue.activeAll.length > 0;
const targetMs = hasActive ? ACTIVE_REFRESH_INTERVAL_MS : TIME_REFRESH_INTERVAL_MS;
if (targetMs === this.refreshIntervalMs && this.refreshInterval !== null) return;
if (this.refreshInterval !== null) {
clearInterval(this.refreshInterval);
}
this.refreshIntervalMs = targetMs;
this.refreshInterval = setInterval(() => this.render(), targetMs) as unknown as number;
}
private renderCounters(): void {
if (!this.countersEl) return;
const active = this.plugin.taskQueue.activeAll.length;
const queued = this.plugin.taskQueue.queued.length;
const done = this.plugin.taskQueue.completed.length;
this.countersEl.textContent = MESSAGES.LABEL_TASK_COUNTERS.replace("{active}", String(active))
.replace("{queued}", String(queued))
.replace("{done}", String(done));
}
private renderCapPill(): void {
if (!this.capPill) return;
const backgroundActive = this.plugin.taskQueue.activeAll.filter((t) =>
BACKGROUND_TASK_TYPES.has(t.type),
).length;
const cap = TASK_QUEUE.MAX_CONCURRENT_BACKGROUND;
if (backgroundActive >= cap) {
this.capPill.textContent = MESSAGES.LABEL_TASK_CAP_PILL.replace(
"{active}",
String(backgroundActive),
).replace("{cap}", String(cap));
this.capPill.style.display = "";
} else {
this.capPill.textContent = "";
this.capPill.style.display = "none";
}
}
private renderActive(): void {
if (!this.activeSection) return;
const container = this.activeSection;
container.querySelectorAll(".lilbee-task-row").forEach((el) => el.remove());
container.querySelectorAll(".lilbee-tasks-empty").forEach((el) => el.remove());
const allActive = this.plugin.taskQueue.activeAll;
if (allActive.length === 0) {
const empty = container.createDiv({ cls: "lilbee-tasks-empty" });
empty.textContent = MESSAGES.LABEL_NO_ACTIVE_TASKS;
return;
}
for (const task of allActive) {
this.renderTaskRow(container, task, TASK_STATUS.ACTIVE);
}
}
private renderQueued(): void {
if (!this.queuedSection) return;
const container = this.queuedSection;
container.querySelectorAll(".lilbee-task-row").forEach((el) => el.remove());
container.querySelectorAll(".lilbee-tasks-empty").forEach((el) => el.remove());
const queued = this.plugin.taskQueue.queued;
if (queued.length === 0) {
const empty = container.createDiv({ cls: "lilbee-tasks-empty" });
empty.textContent = MESSAGES.LABEL_NO_QUEUED_TASKS;
return;
}
for (const task of queued) {
this.renderTaskRow(container, task, TASK_STATUS.QUEUED);
}
}
private renderCompleted(): void {
if (!this.completedSection) return;
const container = this.completedSection;
container.querySelectorAll(".lilbee-task-row").forEach((el) => el.remove());
container.querySelectorAll(".lilbee-tasks-empty").forEach((el) => el.remove());
const completed = this.plugin.taskQueue.completed;
if (completed.length === 0) {
const empty = container.createDiv({ cls: "lilbee-tasks-empty" });
empty.textContent = MESSAGES.LABEL_NO_COMPLETED_TASKS;
return;
}
for (const task of completed) {
this.renderTaskRow(container, task, task.status);
}
}
private renderTaskRow(container: HTMLElement, task: TaskEntry, state: TaskStatus): void {
const row = container.createDiv({ cls: "lilbee-task-row" });
row.dataset.state = state;
row.dataset.type = task.type;
const isActive = state === TASK_STATUS.ACTIVE;
const isTerminal =
state === TASK_STATUS.DONE ||
state === TASK_STATUS.FAILED ||
state === TASK_STATUS.CANCELLED ||
state === TASK_STATUS.WAITING;
const isIndeterminate = isActive && task.progress < 0;
const rawPct = Math.max(0, Math.min(100, task.progress));
const pct = isIndeterminate ? 100 : isActive ? Math.min(rawPct, ACTIVE_PCT_CAP) : rawPct;
if (isTerminal && isWithinFlashWindow(task)) {
row.addClass("lilbee-task-flash");
}
row.createDiv({ cls: "lilbee-task-rail" });
const body = row.createDiv({ cls: "lilbee-task-body" });
const head = body.createDiv({ cls: "lilbee-task-head" });
const typeBadge = head.createSpan({ cls: `lilbee-task-type-badge lilbee-task-badge-${task.type}` });
typeBadge.textContent = task.type.toUpperCase();
head.createSpan({ cls: "lilbee-task-name", text: task.name });
const meta = head.createSpan({ cls: "lilbee-task-meta" });
meta.textContent = metaForRow(task, state);
const stats = body.createDiv({ cls: "lilbee-task-stats" });
const statsLabel = stats.createSpan({ cls: "lilbee-task-stats-label" });
statsLabel.textContent = statsLine(task, state);
const pctLabel = stats.createSpan({ cls: "lilbee-task-pct" });
pctLabel.textContent = isIndeterminate || !isActive ? "" : `${Math.round(pct)}%`;
const barContainer = body.createDiv({ cls: "lilbee-task-progress-bar" });
const barFill = barContainer.createDiv({ cls: "lilbee-task-progress-fill" });
barFill.style.width = `${pct}%`;
if (isIndeterminate) barFill.classList.add("lilbee-task-progress-indeterminate");
if (isActive && task.canCancel) {
const cancelBtn = row.createEl("button", { cls: "lilbee-task-cancel" });
cancelBtn.textContent = MESSAGES.LABEL_CLOSE_GLYPH;
cancelBtn.title = MESSAGES.LABEL_CANCEL_TASK;
cancelBtn.addEventListener("click", (e) => {
e.stopPropagation();
this.handleCancel(task);
});
}
if ((state === TASK_STATUS.FAILED || state === TASK_STATUS.CANCELLED) && task.retry) {
const retryBtn = row.createEl("button", { cls: "lilbee-task-retry" });
retryBtn.textContent = MESSAGES.LABEL_RETRY_TASK;
retryBtn.title = MESSAGES.LABEL_RETRY_TASK;
retryBtn.addEventListener("click", (e) => {
e.stopPropagation();
void task.retry?.();
});
}
if (task.error && state === TASK_STATUS.FAILED) {
row.title = task.error;
}
}
private handleCancel(task: TaskEntry): void {
if (task.canCancel) {
this.plugin.taskQueue.cancel(task.id);
return;
}
const confirmed = confirm(MESSAGES.NOTICE_CONFIRM_CANCEL);
if (confirmed) {
this.plugin.taskQueue.cancel(task.id);
}
}
}
function metaForRow(task: TaskEntry, state: TaskStatus): string {
if (state === TASK_STATUS.ACTIVE) {
return formatElapsed(Date.now() - task.startedAt);
}
if (state === TASK_STATUS.QUEUED) {
return MESSAGES.LABEL_TASK_STATE_QUEUED;
}
if (state === TASK_STATUS.DONE) {
return task.completedAt !== null ? relativeTime(task.completedAt) : MESSAGES.LABEL_TASK_STATE_DONE;
}
if (state === TASK_STATUS.FAILED) {
return task.completedAt !== null ? relativeTime(task.completedAt) : MESSAGES.LABEL_TASK_STATE_FAILED;
}
if (state === TASK_STATUS.WAITING) {
return task.completedAt !== null ? relativeTime(task.completedAt) : MESSAGES.LABEL_TASK_STATE_WAITING;
}
return task.completedAt !== null ? relativeTime(task.completedAt) : MESSAGES.LABEL_TASK_STATE_CANCELLED;
}
function statsLine(task: TaskEntry, state: TaskStatus): string {
if (state !== TASK_STATUS.ACTIVE) {
if (task.detail) return task.detail;
if (task.error) return task.error;
return "";
}
const parts: string[] = [];
if (task.bytesTotal && task.bytesCurrent !== undefined) {
parts.push(`${formatBytes(task.bytesCurrent)} / ${formatBytes(task.bytesTotal)}`);
} else if (task.bytesCurrent !== undefined) {
parts.push(formatBytes(task.bytesCurrent));
}
if (task.rateBps && task.rateBps > 0) {
parts.push(formatRate(task.rateBps));
}
if (parts.length === 0 && task.detail) return task.detail;
return parts.join(" — ");
}
function isWithinFlashWindow(task: TaskEntry): boolean {
if (task.completedAt === null) return false;
return Date.now() - task.completedAt < FLASH_WINDOW_MS;
}
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