Spaces:
Running
Running
| (() => { | |
| let frame = null; | |
| let ready = false; | |
| let bootPromise = null; | |
| let resolveBoot = null; | |
| let rejectBoot = null; | |
| let timeout = null; | |
| let runId = 0; | |
| let activeRunId = 0; | |
| let onMessage = () => {}; | |
| function receive(event) { | |
| if (!frame || event.source !== frame.contentWindow) return; | |
| const message = event.data || {}; | |
| if (message.type === "ready") { | |
| ready = true; | |
| clearTimeout(timeout); | |
| timeout = null; | |
| resolveBoot?.(); | |
| resolveBoot = null; | |
| rejectBoot = null; | |
| bootPromise = null; | |
| return; | |
| } | |
| if (message.type === "load_error") { | |
| const error = new Error(message.text || "無法載入瀏覽器版 Pygame"); | |
| clearTimeout(timeout); | |
| timeout = null; | |
| rejectBoot?.(error); | |
| resolveBoot = null; | |
| rejectBoot = null; | |
| bootPromise = null; | |
| onMessage({ ...message, runId: activeRunId }); | |
| return; | |
| } | |
| if (message.runId && message.runId !== activeRunId) return; | |
| onMessage(message); | |
| } | |
| window.addEventListener("message", receive); | |
| window.ClassroomPygame = { | |
| attach(target, handler) { | |
| frame = target; | |
| onMessage = handler; | |
| }, | |
| isPygame(files) { | |
| return Object.entries(files || {}).some(([path, code]) => | |
| path.toLowerCase().endsWith(".py") && | |
| /^\s*(?:import\s+pygame(?:\s|,|$)|from\s+pygame(?:\.|\s+import\s))/m.test(code) | |
| ); | |
| }, | |
| async run(files) { | |
| const thisRun = ++runId; | |
| activeRunId = thisRun; | |
| frame.hidden = false; | |
| if (!ready) { | |
| if (!bootPromise) { | |
| bootPromise = new Promise((resolve, reject) => { | |
| resolveBoot = resolve; | |
| rejectBoot = reject; | |
| timeout = setTimeout(() => { | |
| const error = new Error("Pygame 載入逾時，請確認網路連線後重試。"); | |
| bootPromise = null; | |
| resolveBoot = null; | |
| rejectBoot = null; | |
| reject(error); | |
| }, 60000); | |
| frame.src = "/classroom-assets/pygame-runner.html?v=2026fall-1"; | |
| }); | |
| } | |
| await bootPromise; | |
| } | |
| if (thisRun !== runId) return; | |
| frame.contentWindow.postMessage({ type: "run", runId: thisRun, files }, "*"); | |
| }, | |
| stop() { | |
| ++runId; | |
| activeRunId = runId; | |
| ready = false; | |
| clearTimeout(timeout); | |
| timeout = null; | |
| if (rejectBoot) rejectBoot(new Error("Pygame 已停止")); | |
| resolveBoot = null; | |
| rejectBoot = null; | |
| bootPromise = null; | |
| if (frame) { | |
| frame.hidden = true; | |
| frame.src = "about:blank"; | |
| } | |
| }, | |
| }; | |
| })(); | |