618 lines
18 KiB
JavaScript
618 lines
18 KiB
JavaScript
import Hls from "hls.js";
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import { showStatusMessage } from "./ui.js";
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const TV_STREAMS_API = "/api/v1/tv/streams";
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const TV_PROXY_API = "/api/v1/tv/proxy";
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const TV_STATUS_MESSAGE = {
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idle: "等待加载直播源",
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syncing: "正在同步直播源...",
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empty: "暂无可播放直播源",
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iframeReady: "直播页已加载",
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videoReady: "视频流已加载",
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videoError: "当前视频流不可播放，请尝试其他频道",
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externalOnly: "当前频道仅支持外部打开",
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loadFailed: "电视直播源加载失败",
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};
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let tvPayload = null;
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let currentSourceId = "";
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let initialized = false;
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let refreshPromise = null;
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let hlsPlayer = null;
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let hlsRecoveryAttempts = 0;
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const HLS_MAX_RECOVERY_ATTEMPTS = 3;
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const HLS_RETRY_CONFIG = {
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maxNumRetry: 4,
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retryDelayMs: 1500,
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maxRetryDelayMs: 8000,
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backoff: "exponential",
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};
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function getElements() {
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return {
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panel: document.getElementById("tv-panel"),
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toggleBtn: document.getElementById("toggle-tv"),
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resizeHandle: document.getElementById("tv-resize-handle"),
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select: document.getElementById("tv-source-select"),
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title: document.getElementById("tv-source-title"),
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meta: document.getElementById("tv-source-meta"),
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catalog: document.getElementById("tv-source-catalog"),
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status: document.getElementById("tv-source-status"),
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notes: document.getElementById("tv-source-notes"),
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iframe: document.getElementById("tv-iframe"),
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video: document.getElementById("tv-video"),
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empty: document.getElementById("tv-empty-state"),
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refreshBtn: document.getElementById("tv-refresh"),
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openBtn: document.getElementById("tv-open-external"),
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};
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}
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function clearPanelPositioningForResize(panel) {
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panel.style.left = `${panel.offsetLeft}px`;
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panel.style.top = `${panel.offsetTop}px`;
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panel.style.right = "auto";
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panel.style.bottom = "auto";
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panel.style.transform = "none";
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panel.dataset.dragged = "true";
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}
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function getHudScale() {
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const scale = Number.parseFloat(
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getComputedStyle(document.documentElement).getPropertyValue("--hud-scale"),
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);
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return Number.isFinite(scale) && scale > 0 ? scale : 1;
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}
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function setupResizeHandle() {
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const { panel, resizeHandle } = getElements();
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const container = document.getElementById("container");
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if (!(panel instanceof HTMLElement) || !(resizeHandle instanceof HTMLElement) || !(container instanceof HTMLElement)) {
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return;
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}
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let resizing = false;
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let startX = 0;
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let startY = 0;
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let startWidth = 0;
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let startHeight = 0;
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const stopResize = () => {
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resizing = false;
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panel.classList.remove("is-resizing");
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document.body.style.userSelect = "";
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};
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resizeHandle.addEventListener("pointerdown", (event) => {
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if (document.getElementById("container")?.classList.contains("layout-expanded")) {
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return;
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}
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event.preventDefault();
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event.stopPropagation();
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resizing = true;
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startX = event.clientX;
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startY = event.clientY;
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clearPanelPositioningForResize(panel);
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const rect = panel.getBoundingClientRect();
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startWidth = rect.width;
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startHeight = rect.height;
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panel.classList.add("is-resizing");
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document.body.style.userSelect = "none";
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resizeHandle.setPointerCapture?.(event.pointerId);
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});
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resizeHandle.addEventListener("pointermove", (event) => {
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if (!resizing) return;
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const containerRect = container.getBoundingClientRect();
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const panelRect = panel.getBoundingClientRect();
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const currentLeft = panelRect.left - containerRect.left;
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const currentTop = panelRect.top - containerRect.top;
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const hudScale = getHudScale();
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const minWidth = Math.max(320, Math.round(360 * hudScale));
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const minHeight = Math.max(260, Math.round(340 * hudScale));
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const maxWidth = Math.max(minWidth, containerRect.width - currentLeft - 12);
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const maxHeight = Math.max(minHeight, containerRect.height - currentTop - 12);
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const nextWidth = Math.min(
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maxWidth,
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Math.max(minWidth, startWidth + (event.clientX - startX)),
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);
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const nextHeight = Math.min(
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maxHeight,
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Math.max(minHeight, startHeight + (event.clientY - startY)),
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);
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panel.style.width = `${nextWidth}px`;
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panel.style.minHeight = `${nextHeight}px`;
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});
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resizeHandle.addEventListener("pointerup", stopResize);
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resizeHandle.addEventListener("pointercancel", stopResize);
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resizeHandle.addEventListener("lostpointercapture", stopResize);
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}
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function updateToggleButton(visible) {
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const { toggleBtn } = getElements();
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if (!toggleBtn) return;
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toggleBtn.classList.toggle("active", visible);
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const tooltip = toggleBtn.querySelector(".earth-toolbar-tooltip");
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if (tooltip) {
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tooltip.textContent = visible ? "关闭新闻直播" : "打开新闻直播";
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}
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}
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function syncSettingsToggle(visible) {
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const input = document.querySelector('[data-settings-panel="tv-panel"]');
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if (input instanceof HTMLInputElement) {
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input.checked = visible;
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}
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}
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function setPanelVisible(visible) {
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const { panel } = getElements();
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if (!panel) return;
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panel.classList.toggle("hud-panel-hidden", !visible);
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updateToggleButton(visible);
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syncSettingsToggle(visible);
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}
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function getEmbeddedUrl(source) {
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if (!source) return "";
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if (source.source_type === "youtube" && source.youtube_video_id) {
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const videoId = encodeURIComponent(source.youtube_video_id);
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return `https://www.youtube-nocookie.com/embed/${videoId}?autoplay=1&mute=1&playsinline=1&rel=0`;
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}
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if (source.source_type === "external") return "";
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if (source.source_type === "video" || source.source_type === "hls") {
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return "";
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}
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return source.embed_url || source.homepage_url || "";
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}
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function buildProxyUrl(url) {
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if (!url) return "";
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return `${TV_PROXY_API}?url=${encodeURIComponent(url)}`;
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}
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function getVideoUrl(source) {
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if (!source) return "";
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if (source.source_type !== "video" && source.source_type !== "hls") {
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return "";
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}
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return buildProxyUrl(source.stream_url || source.embed_url || "");
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}
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function destroyHlsPlayer() {
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if (hlsPlayer) {
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hlsPlayer.destroy();
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hlsPlayer = null;
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}
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hlsRecoveryAttempts = 0;
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}
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function showEmbeddedFallback(source, reasonMessage = TV_STATUS_MESSAGE.videoError) {
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const { iframe, video, empty } = getElements();
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const embeddedUrl = getEmbeddedUrl(source);
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if (!embeddedUrl) {
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setPanelMessage(reasonMessage);
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return false;
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}
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destroyHlsPlayer();
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if (video) {
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video.removeAttribute("src");
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video.hidden = true;
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video.load();
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}
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if (iframe) {
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iframe.hidden = false;
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if (iframe.src !== embeddedUrl) {
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iframe.src = embeddedUrl;
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}
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}
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if (empty) {
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empty.hidden = true;
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}
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setPanelMessage("直播放流不可用，已回退到官网直播页");
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return true;
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}
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function canPlayNativeHls(video, sourceUrl) {
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if (!(video instanceof HTMLVideoElement) || !sourceUrl) return false;
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const isLikelyHls = sourceUrl.includes(".m3u8") || sourceUrl.includes("mpegurl");
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if (!isLikelyHls) return false;
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return video.canPlayType("application/vnd.apple.mpegurl") !== "";
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}
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function tryStartPlayback(video) {
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if (!(video instanceof HTMLVideoElement)) return;
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video.autoplay = true;
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video.muted = true;
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const playPromise = video.play();
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if (playPromise && typeof playPromise.catch === "function") {
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playPromise.catch((error) => {
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console.warn("TV 自动播放未成功:", error);
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setPanelMessage("已加载视频流，点击播放继续");
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});
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}
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}
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function attachVideoSource(video, source) {
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const sourceUrl = getVideoUrl(source);
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if (!(video instanceof HTMLVideoElement) || !sourceUrl) return;
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destroyHlsPlayer();
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video.autoplay = true;
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video.muted = true;
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if (source.source_type === "hls") {
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if (canPlayNativeHls(video, sourceUrl)) {
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video.src = sourceUrl;
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video.load();
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tryStartPlayback(video);
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return;
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}
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if (Hls.isSupported()) {
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hlsPlayer = new Hls({
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enableWorker: true,
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lowLatencyMode: false,
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manifestLoadingTimeOut: 20000,
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levelLoadingTimeOut: 20000,
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fragLoadingTimeOut: 25000,
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fragLoadingMaxRetry: 3,
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fragLoadingRetryDelay: 1500,
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levelLoadingMaxRetry: 3,
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levelLoadingRetryDelay: 1500,
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manifestLoadingMaxRetry: 2,
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manifestLoadingRetryDelay: 1500,
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liveSyncDurationCount: 4,
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liveMaxLatencyDurationCount: 10,
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manifestLoadPolicy: {
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default: {
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maxTimeToFirstByteMs: 12000,
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maxLoadTimeMs: 20000,
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timeoutRetry: {
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...HLS_RETRY_CONFIG,
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maxNumRetry: 2,
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},
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errorRetry: {
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...HLS_RETRY_CONFIG,
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maxNumRetry: 2,
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},
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},
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},
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playlistLoadPolicy: {
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default: {
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maxTimeToFirstByteMs: 12000,
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maxLoadTimeMs: 20000,
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timeoutRetry: HLS_RETRY_CONFIG,
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errorRetry: HLS_RETRY_CONFIG,
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},
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},
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fragLoadPolicy: {
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default: {
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maxTimeToFirstByteMs: 12000,
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maxLoadTimeMs: 30000,
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timeoutRetry: HLS_RETRY_CONFIG,
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errorRetry: HLS_RETRY_CONFIG,
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},
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},
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});
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hlsPlayer.loadSource(sourceUrl);
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hlsPlayer.attachMedia(video);
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hlsPlayer.on(Hls.Events.MANIFEST_PARSED, () => {
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hlsRecoveryAttempts = 0;
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setPanelMessage(TV_STATUS_MESSAGE.videoReady);
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tryStartPlayback(video);
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});
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hlsPlayer.on(Hls.Events.ERROR, (_event, data) => {
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console.error("HLS 播放失败:", data);
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if (!data?.fatal) {
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if (data?.type === Hls.ErrorTypes.NETWORK_ERROR) {
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setPanelMessage("直播流网络波动，正在重试...");
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return;
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}
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if (data?.type === Hls.ErrorTypes.MEDIA_ERROR) {
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setPanelMessage("直播流正在恢复...");
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return;
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}
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}
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if (data?.fatal && hlsRecoveryAttempts < HLS_MAX_RECOVERY_ATTEMPTS) {
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hlsRecoveryAttempts += 1;
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if (data.type === Hls.ErrorTypes.NETWORK_ERROR) {
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setPanelMessage(`直播流连接异常，正在重试 (${hlsRecoveryAttempts}/${HLS_MAX_RECOVERY_ATTEMPTS})...`);
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hlsPlayer?.startLoad();
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return;
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}
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if (data.type === Hls.ErrorTypes.MEDIA_ERROR) {
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setPanelMessage(`直播流解码异常，正在恢复 (${hlsRecoveryAttempts}/${HLS_MAX_RECOVERY_ATTEMPTS})...`);
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hlsPlayer?.recoverMediaError();
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return;
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}
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}
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if (!showEmbeddedFallback(source)) {
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setPanelMessage(TV_STATUS_MESSAGE.videoError);
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}
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});
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return;
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}
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}
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video.src = sourceUrl;
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video.load();
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tryStartPlayback(video);
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}
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function getExternalUrl(source) {
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return source?.homepage_url || source?.youtube_channel || source?.embed_url || source?.stream_url || "";
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}
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function updateOpenButton(source) {
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const { openBtn } = getElements();
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if (!openBtn) return;
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const targetUrl = getExternalUrl(source);
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openBtn.disabled = !targetUrl;
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openBtn.onclick = targetUrl
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? () => {
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window.open(targetUrl, "_blank", "noopener,noreferrer");
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}
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: null;
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}
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function findSourceById(sourceId) {
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return tvPayload?.sources?.find((source) => source.id === sourceId) || null;
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}
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function getCurrentSource() {
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return findSourceById(currentSourceId);
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}
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function setPanelMessage(message) {
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const { status } = getElements();
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if (status) {
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status.textContent = message || TV_STATUS_MESSAGE.idle;
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}
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}
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function resetIframe(iframe) {
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if (!(iframe instanceof HTMLIFrameElement)) return;
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iframe.removeAttribute("src");
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iframe.hidden = true;
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}
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function resetVideo(video) {
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if (!(video instanceof HTMLVideoElement)) return;
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video.removeAttribute("src");
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video.hidden = true;
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video.load();
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}
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function showEmptyState(empty, message) {
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if (!(empty instanceof HTMLElement)) return;
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empty.hidden = false;
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empty.textContent = message;
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}
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function hideEmptyState(empty) {
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if (empty instanceof HTMLElement) {
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empty.hidden = true;
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}
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}
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function renderVideoSource(video, iframe, source) {
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resetIframe(iframe);
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if (video instanceof HTMLVideoElement) {
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video.hidden = false;
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attachVideoSource(video, source);
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}
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}
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function renderEmbeddedSource(iframe, video, embeddedUrl) {
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destroyHlsPlayer();
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resetVideo(video);
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if (iframe instanceof HTMLIFrameElement) {
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iframe.hidden = false;
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if (iframe.src !== embeddedUrl) {
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iframe.src = embeddedUrl;
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}
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}
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}
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function renderSourceOptions() {
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const { select } = getElements();
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if (!select) return;
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const sources = tvPayload?.sources || [];
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const fragment = document.createDocumentFragment();
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sources.forEach((source) => {
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const marker = source.id === tvPayload?.default_source_id ? " · 默认" : "";
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const option = document.createElement("option");
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option.value = source.id;
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option.textContent = `${source.name}${marker}`;
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fragment.appendChild(option);
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});
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select.replaceChildren(fragment);
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if (currentSourceId) {
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select.value = currentSourceId;
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}
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}
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function renderSource(source) {
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const { title, meta, catalog, notes, iframe, video, empty } = getElements();
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const embeddedUrl = getEmbeddedUrl(source);
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const videoUrl = getVideoUrl(source);
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const externalUrl = getExternalUrl(source);
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const isVideo = Boolean(videoUrl);
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const isExternalOnly = Boolean(source) && !embeddedUrl && !videoUrl && Boolean(externalUrl);
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if (title) {
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title.textContent = source?.name || "暂无可用频道";
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}
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if (meta) {
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meta.textContent = source
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? `${source.provider} · ${source.region} · ${source.language} · ${source.source_type}`
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: "当前未配置可播放新闻直播源";
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}
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if (catalog) {
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const sourceCount = tvPayload?.source_count || tvPayload?.sources?.length || 0;
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const latestUpdatedAt = tvPayload?.latest_updated_at || tvPayload?.generated_at || "";
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const latestLabel = latestUpdatedAt
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? `最近同步 ${new Date(latestUpdatedAt).toLocaleString("zh-CN", { hour12: false })}`
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: "尚未同步";
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const collectorLabel = source?.collector_source ? ` · 采集器 ${source.collector_source}` : "";
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catalog.textContent = `共 ${sourceCount} 个频道 · ${latestLabel}${collectorLabel}`;
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}
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if (notes) {
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notes.textContent = source?.notes || "支持后台配置默认源与采集器补充源。";
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}
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if (!source || (!embeddedUrl && !videoUrl)) {
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destroyHlsPlayer();
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resetIframe(iframe);
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resetVideo(video);
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showEmptyState(
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empty,
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isExternalOnly
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? "当前频道仅支持跳转官网或外部播放器打开。"
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: "暂无可播放直播源，请先在系统配置中添加频道。",
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);
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setPanelMessage(isExternalOnly ? TV_STATUS_MESSAGE.externalOnly : TV_STATUS_MESSAGE.empty);
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updateOpenButton(source);
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return;
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}
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if (isVideo && videoUrl) {
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renderVideoSource(video, iframe, source);
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} else {
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renderEmbeddedSource(iframe, video, embeddedUrl);
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}
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hideEmptyState(empty);
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setPanelMessage(
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source.id === tvPayload?.default_source_id ? "当前正在播放默认源" : "当前正在播放已选频道",
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);
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updateOpenButton(source);
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}
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function resolveInitialSourceId() {
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if (findSourceById(currentSourceId)) {
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return currentSourceId;
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}
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return tvPayload?.selected_source?.id || tvPayload?.default_source_id || tvPayload?.sources?.[0]?.id || "";
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}
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function renderPanel() {
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renderSourceOptions();
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currentSourceId = resolveInitialSourceId();
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renderSource(findSourceById(currentSourceId));
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}
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export async function loadTVStreams() {
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const response = await fetch(TV_STREAMS_API, {
|
|
headers: {
|
|
Accept: "application/json",
|
|
},
|
|
});
|
|
if (!response.ok) {
|
|
throw new Error(`Failed to load TV streams: ${response.status}`);
|
|
}
|
|
tvPayload = await response.json();
|
|
return tvPayload;
|
|
}
|
|
|
|
export async function refreshTVPanel() {
|
|
if (refreshPromise) {
|
|
return refreshPromise;
|
|
}
|
|
|
|
setPanelMessage(TV_STATUS_MESSAGE.syncing);
|
|
refreshPromise = (async () => {
|
|
try {
|
|
await loadTVStreams();
|
|
renderPanel();
|
|
} catch (error) {
|
|
console.error("加载电视直播源失败:", error);
|
|
setPanelMessage(TV_STATUS_MESSAGE.loadFailed);
|
|
renderSource(findSourceById(currentSourceId));
|
|
} finally {
|
|
refreshPromise = null;
|
|
}
|
|
})();
|
|
|
|
return refreshPromise;
|
|
}
|
|
|
|
export async function ensureTVPanelReady() {
|
|
if (!initialized) {
|
|
initTVPanel();
|
|
}
|
|
if (!tvPayload) {
|
|
await refreshTVPanel();
|
|
return;
|
|
}
|
|
renderPanel();
|
|
}
|
|
|
|
export function initTVPanel() {
|
|
if (initialized) return;
|
|
initialized = true;
|
|
|
|
const { select, refreshBtn, iframe, video, toggleBtn, panel } = getElements();
|
|
|
|
updateToggleButton(!panel?.classList.contains("hud-panel-hidden"));
|
|
syncSettingsToggle(!panel?.classList.contains("hud-panel-hidden"));
|
|
|
|
toggleBtn?.addEventListener("click", async (event) => {
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
const nextVisible = panel?.classList.contains("hud-panel-hidden") ?? true;
|
|
setPanelVisible(nextVisible);
|
|
if (nextVisible) {
|
|
await ensureTVPanelReady();
|
|
showStatusMessage("新闻直播窗口已打开", "info");
|
|
} else {
|
|
showStatusMessage("新闻直播窗口已关闭", "info");
|
|
}
|
|
});
|
|
|
|
select?.addEventListener("change", (event) => {
|
|
const target = event.currentTarget;
|
|
if (!(target instanceof HTMLSelectElement)) return;
|
|
currentSourceId = target.value;
|
|
renderSource(findSourceById(currentSourceId));
|
|
});
|
|
|
|
refreshBtn?.addEventListener("click", () => {
|
|
refreshTVPanel();
|
|
});
|
|
|
|
iframe?.addEventListener("load", () => {
|
|
if (iframe.hidden) return;
|
|
setPanelMessage(TV_STATUS_MESSAGE.iframeReady);
|
|
});
|
|
|
|
video?.addEventListener("loadedmetadata", () => {
|
|
if (video.hidden) return;
|
|
setPanelMessage(TV_STATUS_MESSAGE.videoReady);
|
|
});
|
|
|
|
video?.addEventListener("error", () => {
|
|
const currentSource = getCurrentSource();
|
|
if (!showEmbeddedFallback(currentSource)) {
|
|
setPanelMessage(TV_STATUS_MESSAGE.videoError);
|
|
}
|
|
});
|
|
|
|
setupResizeHandle();
|
|
}
|