Files
jellyfin-plugin-media-bar/slideshowpure.js
T
2025-03-20 13:23:36 +05:30

1605 lines
43 KiB
JavaScript

/*
* Jellyfin Slideshow by M0RPH3US v2.0.2
*/
//Core Module Configuration
const CONFIG = {
IMAGE_URLS: {
imdbLogo: 'https://upload.wikimedia.org/wikipedia/commons/6/69/IMDB_Logo_2016.svg',
tomatoLogo: 'https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Rotten_Tomatoes_positive_audience.svg/1920px-Rotten_Tomatoes_positive_audience.svg.png',
freshTomato: 'https://i.imgur.com/iMfwDk7.png',
rottenTomato: 'https://upload.wikimedia.org/wikipedia/commons/thumb/5/52/Rotten_Tomatoes_rotten.svg/1024px-Rotten_Tomatoes_rotten.svg.png'
},
shuffleInterval: 8500,
retryInterval: 500,
minSwipeDistance: 50,
loadingCheckInterval: 100,
maxPlotLength: 360,
maxMovies: 15,
maxTvShows: 15,
maxItems: 500,
preloadCount: 3,
fadeTransitionDuration: 500
};
// State management
const STATE = {
jellyfinData: {
userId: null,
appName: null,
appVersion: null,
deviceName: null,
deviceId: null,
accessToken: null,
serverAddress: null
},
slideshow: {
hasInitialized: false,
isTransitioning: false,
currentSlideIndex: 0,
focusedSlide: null,
containerFocused: false,
slideInterval: null,
itemIds: [],
loadedItems: {},
createdSlides: {},
totalItems: 0,
isLoading: false
}
};
// Request throttling system
const requestQueue = [];
let isProcessingQueue = false;
/**
* Process the next request in the queue with throttling
*/
const processNextRequest = () => {
if (requestQueue.length === 0) {
isProcessingQueue = false;
return;
}
isProcessingQueue = true;
const { url, callback } = requestQueue.shift();
fetch(url)
.then(response => {
if (response.ok) {
return response;
}
throw new Error(`Failed to fetch: ${response.status}`);
})
.then(callback)
.catch(error => {
console.error("Error in throttled request:", error);
})
.finally(() => {
setTimeout(processNextRequest, 100);
});
};
/**
* Add a request to the throttled queue
* @param {string} url - URL to fetch
* @param {Function} callback - Callback to run on successful fetch
*/
const addThrottledRequest = (url, callback) => {
requestQueue.push({ url, callback });
if (!isProcessingQueue) {
processNextRequest();
}
};
/**
* Checks if the user is currently logged in
* @returns {boolean} True if logged in, false otherwise
*/
const isUserLoggedIn = () => {
try {
return (
window.ApiClient &&
window.ApiClient._currentUser &&
window.ApiClient._currentUser.Id &&
window.ApiClient._serverInfo &&
window.ApiClient._serverInfo.AccessToken
);
} catch (error) {
console.error("Error checking login status:", error);
return false;
}
};
/**
* Initializes Jellyfin data from ApiClient
* @param {Function} callback - Function to call once data is initialized
*/
const initJellyfinData = (callback) => {
if (!window.ApiClient) {
console.warn("⏳ window.ApiClient is not available yet. Retrying...");
setTimeout(() => initJellyfinData(callback), CONFIG.retryInterval);
return;
}
try {
const apiClient = window.ApiClient;
STATE.jellyfinData = {
userId: apiClient.getCurrentUserId ||
"Not Found",
appName: apiClient._appName || "Not Found",
appVersion: apiClient._appVersion || "Not Found",
deviceName: apiClient._deviceName || "Not Found",
deviceId: apiClient._deviceId || "Not Found",
accessToken: apiClient._serverInfo.AccessToken || "Not Found",
serverAddress: apiClient._serverAddress || "Not Found"
};
if (callback && typeof callback === 'function') {
callback();
}
} catch (error) {
console.error("Error initializing Jellyfin data:", error);
setTimeout(() => initJellyfinData(callback), CONFIG.retryInterval);
}
};
/**
* Creates and displays loading screen
*/
const initLoadingScreen = () => {
const currentPath = window.location.href.toLowerCase();
const isHomePage =
currentPath.includes("/web/#/home.html") ||
currentPath.includes("/web/index.html#/home.html") ||
currentPath.endsWith("/web/");
if (!isHomePage) return;
const loadingDiv = document.createElement('div');
loadingDiv.className = "bar-loading";
loadingDiv.id = "page-loader";
loadingDiv.innerHTML = `
<h1>
<img src="https://raw.githubusercontent.com/jellyfin/jellyfin-ux/refs/heads/master/branding/android/logo_clean.svg"
alt="Server Logo"
style="width: 300px; height: auto;">
</h1>
<div class="docspinner-loader">
<div class="loader-spinner-layer"></div>
</div>
`;
document.body.appendChild(loadingDiv);
const checkInterval = setInterval(() => {
const loginFormLoaded = document.querySelector(".manualLoginForm");
const homePageLoaded =
document.querySelector(".homeSectionsContainer") &&
document.querySelector(".slide");
if (loginFormLoaded || homePageLoaded) {
const loader = document.querySelector('.bar-loading');
if (loader && typeof $ !== 'undefined') {
$(loader).fadeOut(700, () => {
loader.remove();
});
} else if (loader) {
loader.style.opacity = 0;
loader.style.transition = 'opacity 700ms';
setTimeout(() => loader.remove(), 700);
}
clearInterval(checkInterval);
}
}, CONFIG.loadingCheckInterval);
};
/**
* Resets the slideshow state completely
*/
const resetSlideshowState = () => {
console.log("🔄 Resetting slideshow state...");
if (STATE.slideshow.slideInterval) {
STATE.slideshow.slideInterval.stop();
}
const container = document.getElementById("slides-container");
if (container) {
while (container.firstChild) {
container.removeChild(container.firstChild);
}
}
STATE.slideshow.hasInitialized = false;
STATE.slideshow.isTransitioning = false;
STATE.slideshow.currentSlideIndex = 0;
STATE.slideshow.focusedSlide = null;
STATE.slideshow.containerFocused = false;
STATE.slideshow.slideInterval = null;
STATE.slideshow.itemIds = [];
STATE.slideshow.loadedItems = {};
STATE.slideshow.createdSlides = {};
STATE.slideshow.totalItems = 0;
STATE.slideshow.isLoading = false;
};
/**
* Watches for login status changes
*/
const startLoginStatusWatcher = () => {
let wasLoggedIn = false;
setInterval(() => {
const isLoggedIn = isUserLoggedIn();
if (isLoggedIn !== wasLoggedIn) {
if (isLoggedIn) {
console.log("👤 User logged in. Initializing slideshow...");
if (!STATE.slideshow.hasInitialized) {
waitForApiClientAndInitialize();
} else {
console.log("🔄 Slideshow already initialized, skipping");
}
} else {
console.log("👋 User logged out. Stopping slideshow...");
resetSlideshowState();
}
wasLoggedIn = isLoggedIn;
}
}, 2000);
};
/**
* Wait for ApiClient to initialize before starting the slideshow
*/
const waitForApiClientAndInitialize = () => {
if (window.slideshowCheckInterval) {
clearInterval(window.slideshowCheckInterval);
}
window.slideshowCheckInterval = setInterval(() => {
if (!window.ApiClient) {
console.log("⏳ ApiClient not available yet. Waiting...");
return;
}
if (
window.ApiClient._currentUser &&
window.ApiClient._currentUser.Id &&
window.ApiClient._serverInfo &&
window.ApiClient._serverInfo.AccessToken
) {
console.log("🔓 User is fully logged in. Starting slideshow initialization...");
clearInterval(window.slideshowCheckInterval);
if (!STATE.slideshow.hasInitialized) {
initJellyfinData(() => {
console.log("✅ Jellyfin API client initialized successfully");
slidesInit();
});
} else {
console.log("🔄 Slideshow already initialized, skipping");
}
} else {
console.log("🔒 Authentication incomplete. Waiting for complete login...");
}
}, CONFIG.retryInterval);
};
waitForApiClientAndInitialize();
/**
* Utility functions for slide creation and management
*/
const SlideUtils = {
/**
* Shuffles array elements randomly
* @param {Array} array - Array to shuffle
* @returns {Array} Shuffled array
*/
shuffleArray(array) {
const newArray = [...array];
for (let i = newArray.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[newArray[i], newArray[j]] = [newArray[j], newArray[i]];
}
return newArray;
},
/**
* Truncates text to specified length and adds ellipsis
* @param {HTMLElement} element - Element containing text to truncate
* @param {number} maxLength - Maximum length before truncation
*/
truncateText(element, maxLength) {
if (!element) return;
const text = element.innerText || element.textContent;
if (text && text.length > maxLength) {
element.innerText = text.substring(0, maxLength) + "...";
}
},
/**
* Creates a separator icon element
* @returns {HTMLElement} Separator element
*/
createSeparator() {
const separator = document.createElement('i');
separator.className = "radio_button_off separator-icon"; //material-icons
return separator;
},
/**
* Creates a DOM element with attributes and properties
* @param {string} tag - Element tag name
* @param {Object} attributes - Element attributes
* @param {string|HTMLElement} [content] - Element content
* @returns {HTMLElement} Created element
*/
createElement(tag, attributes = {}, content = null) {
const element = document.createElement(tag);
Object.entries(attributes).forEach(([key, value]) => {
if (key === 'style' && typeof value === 'object') {
Object.entries(value).forEach(([prop, val]) => {
element.style[prop] = val;
});
} else if (key === 'className') {
element.className = value;
} else if (key === 'innerHTML') {
element.innerHTML = value;
} else if (key === 'onclick' && typeof value === 'function') {
element.addEventListener('click', value);
} else {
element.setAttribute(key, value);
}
});
if (content) {
if (typeof content === 'string') {
element.textContent = content;
} else {
element.appendChild(content);
}
}
return element;
},
/**
* Find or create the slides container
* @returns {HTMLElement} Slides container element
*/
getOrCreateSlidesContainer() {
let container = document.getElementById("slides-container");
if (!container) {
container = this.createElement('div', { id: 'slides-container' });
document.body.appendChild(container);
}
return container;
},
/**
* Formats genres into a readable string
* @param {Array} genresArray - Array of genre strings
* @returns {string} Formatted genres string
*/
parseGenres(genresArray) {
if (Array.isArray(genresArray) && genresArray.length > 0) {
return genresArray.slice(0, 3).join(" 🔹 ");
}
return "No Genre Available";
},
/**
* Creates a loading indicator
* @returns {HTMLElement} Loading indicator element
*/
createLoadingIndicator() {
const loadingIndicator = this.createElement('div', {
className: 'slide-loading-indicator',
innerHTML: `
<div class="spinner">
<div class="bounce1"></div>
<div class="bounce2"></div>
<div class="bounce3"></div>
</div>
`
});
return loadingIndicator;
}
};
/**
* API utilities for fetching data from Jellyfin server
*/
const ApiUtils = {
/**
* Fetches details for a specific item by ID
* @param {string} itemId - Item ID
* @returns {Promise<Object>} Item details
*/
async fetchItemDetails(itemId) {
try {
if (STATE.slideshow.loadedItems[itemId]) {
return STATE.slideshow.loadedItems[itemId];
}
const response = await fetch(
`${STATE.jellyfinData.serverAddress}/Items/${itemId}`,
{
headers: this.getAuthHeaders()
}
);
if (!response.ok) {
throw new Error(`Failed to fetch item details: ${response.statusText}`);
}
const itemData = await response.json();
STATE.slideshow.loadedItems[itemId] = itemData;
return itemData;
} catch (error) {
console.error(`Error fetching details for item ${itemId}:`, error);
return null;
}
},
/**
* Fetch item IDs from the list file
* @returns {Promise<Array>} Array of item IDs
*/
async fetchItemIdsFromList() {
try {
const listFileName = `${STATE.jellyfinData.serverAddress}/web/avatars/list.txt?userId=${STATE.jellyfinData.userId}`;
const response = await fetch(listFileName);
if (!response.ok) {
console.warn("list.txt not found or inaccessible. Using random items.");
return [];
}
const text = await response.text();
return text
.split("\n")
.map(id => id.trim())
.filter(id => id)
.slice(1);
} catch (error) {
console.error("Error fetching list.txt:", error);
return [];
}
},
/**
* Fetches random items from the server
* @returns {Promise<Array>} Array of item objects
*/
async fetchItemIdsFromServer() {
try {
if (!STATE.jellyfinData.accessToken || STATE.jellyfinData.accessToken === "Not Found") {
console.warn("Access token not available. Delaying API request...");
return [];
}
if (!STATE.jellyfinData.serverAddress || STATE.jellyfinData.serverAddress === "Not Found") {
console.warn("Server address not available. Delaying API request...");
return [];
}
console.log("Fetching random items from server...");
const response = await fetch(
`${STATE.jellyfinData.serverAddress}/Items?IncludeItemTypes=Movie,Series&Recursive=true&hasOverview=true&imageTypes=Logo,Backdrop&sortBy=Random&isPlayed=False&Limit=${CONFIG.maxItems}&Fields=Id`,
{
headers: this.getAuthHeaders()
}
);
if (!response.ok) {
console.error(`Failed to fetch items: ${response.status} ${response.statusText}`);
return [];
}
const data = await response.json();
const items = data.Items || [];
console.log(`Successfully fetched ${items.length} random items from server`);
return items.map(item => item.Id);
} catch (error) {
console.error("Error fetching item IDs:", error);
return [];
}
},
/**
* Get authentication headers for API requests
* @returns {Object} Headers object
*/
getAuthHeaders() {
return {
'Authorization': `MediaBrowser Client="${STATE.jellyfinData.appName}", Device="${STATE.jellyfinData.deviceName}", DeviceId="${STATE.jellyfinData.deviceId}", Version="${STATE.jellyfinData.appVersion}", Token="${STATE.jellyfinData.accessToken}"`
};
},
/**
* Send a command to play an item
* @param {string} itemId - Item ID to play
* @returns {Promise<boolean>} Success status
*/
async playItem(itemId) {
try {
const sessionId = await this.getSessionId();
if (!sessionId) {
console.error("Session ID not found.");
return false;
}
const playUrl = `${STATE.jellyfinData.serverAddress}/Sessions/${sessionId}/Playing?playCommand=PlayNow&itemIds=${itemId}`;
const playResponse = await fetch(playUrl, {
method: 'POST',
headers: this.getAuthHeaders()
});
if (!playResponse.ok) {
throw new Error(`Failed to send play command: ${playResponse.statusText}`);
}
console.log("Play command sent successfully to session:", sessionId);
return true;
} catch (error) {
console.error("Error sending play command:", error);
return false;
}
},
/**
* Gets current session ID
* @returns {Promise<string|null>} Session ID or null
*/
async getSessionId() {
try {
const response = await fetch(
`${STATE.jellyfinData.serverAddress}/Sessions?deviceId=${encodeURIComponent(STATE.jellyfinData.deviceId)}`,
{
headers: this.getAuthHeaders()
}
);
if (!response.ok) {
throw new Error(`Failed to fetch session data: ${response.statusText}`);
}
const sessions = await response.json();
if (!sessions || sessions.length === 0) {
console.warn("No sessions found for deviceId:", STATE.jellyfinData.deviceId);
return null;
}
return sessions[0].Id;
} catch (error) {
console.error("Error fetching session data:", error);
return null;
}
}
};
/**
* Class for managing slide timing
*/
class SlideTimer {
/**
* Creates a new slide timer
* @param {Function} callback - Function to call on interval
* @param {number} interval - Interval in milliseconds
*/
constructor(callback, interval) {
this.callback = callback;
this.interval = interval;
this.timerId = null;
this.start();
}
/**
* Stops the timer
* @returns {SlideTimer} This instance for chaining
*/
stop() {
if (this.timerId) {
clearInterval(this.timerId);
this.timerId = null;
}
return this;
}
/**
* Starts the timer
* @returns {SlideTimer} This instance for chaining
*/
start() {
if (!this.timerId) {
this.timerId = setInterval(this.callback, this.interval);
}
return this;
}
/**
* Restarts the timer
* @returns {SlideTimer} This instance for chaining
*/
restart() {
return this.stop().start();
}
}
/**
* Observer for handling slideshow visibility based on current page
*/
const VisibilityObserver = {
updateVisibility() {
const activeTab = document.querySelector(".emby-tab-button-active");
const container = document.getElementById("slides-container");
if (!container) return;
const isVisible =
window.location.hash.includes("#/home.html") &&
activeTab.getAttribute("data-index") === "0";
container.style.display = isVisible ? "block" : "none";
if (isVisible) {
if (STATE.slideshow.slideInterval) {
STATE.slideshow.slideInterval.start();
}
} else {
if (STATE.slideshow.slideInterval) {
STATE.slideshow.slideInterval.stop();
}
}
},
/**
* Initializes visibility observer
*/
init() {
const observer = new MutationObserver(this.updateVisibility);
observer.observe(document.body, { childList: true, subtree: true });
document.body.addEventListener("click", this.updateVisibility);
window.addEventListener("hashchange", this.updateVisibility);
this.updateVisibility();
}
};
/**
* Slideshow UI creation and management
*/
const SlideCreator = {
/**
* Creates a slide element for an item
* @param {Object} item - Item data
* @param {string} title - Title type (Movie/TV Show)
* @returns {HTMLElement} Slide element
*/
createSlideElement(item, title) {
if (!item || !item.Id) {
console.error("Invalid item data:", item);
return null;
}
const itemId = item.Id;
const serverAddress = STATE.jellyfinData.serverAddress;
const slide = SlideUtils.createElement('a', {
className: 'slide',
target: '_top',
rel: 'noreferrer',
tabIndex: 0,
style: {
display: 'none',
opacity: '0',
transition: `opacity ${CONFIG.fadeTransitionDuration}ms ease-in-out`
},
'data-item-id': itemId
});
const backdrop = SlideUtils.createElement('img', {
className: 'backdrop low-quality',
src: `${serverAddress}/Items/${itemId}/Images/Backdrop/0?quality=40`, //&fillWidth=480
alt: 'Backdrop',
loading: 'eager',
'data-high-quality': `${serverAddress}/Items/${itemId}/Images/Backdrop/0?quality=80`
});
backdrop.onload = function () {
};
const backdropOverlay = SlideUtils.createElement('div', {
className: 'backdrop-overlay'
});
const backdropContainer = SlideUtils.createElement('div', {
className: 'backdrop-container'
});
backdropContainer.append(backdrop, backdropOverlay);
const logo = SlideUtils.createElement('img', {
className: 'logo low-quality',
src: `${serverAddress}/Items/${itemId}/Images/Logo?quality=30`,
alt: 'Logo',
loading: 'eager',
'data-high-quality': `${serverAddress}/Items/${itemId}/Images/Logo?quality=80`
});
logo.onload = function () {
};
const logoContainer = SlideUtils.createElement('div', {
className: 'logo-container'
});
logoContainer.appendChild(logo);
const featuredContent = SlideUtils.createElement('div', {
className: 'featured-content'
}, title);
const plot = item.Overview || "No overview available";
const plotElement = SlideUtils.createElement('div', {
className: 'plot'
}, plot);
SlideUtils.truncateText(plotElement, CONFIG.maxPlotLength);
const plotContainer = SlideUtils.createElement('div', {
className: 'plot-container'
});
plotContainer.appendChild(plotElement);
const gradientOverlay = SlideUtils.createElement('div', {
className: 'gradient-overlay'
});
const infoContainer = SlideUtils.createElement('div', {
className: 'info-container'
});
const ratingInfo = this.createRatingInfo(item);
infoContainer.appendChild(ratingInfo);
const genreElement = SlideUtils.createElement('div', {
className: 'genre'
});
genreElement.innerHTML = SlideUtils.parseGenres(item.Genres);
const buttonContainer = SlideUtils.createElement('div', {
className: 'button-container'
});
const playButton = this.createPlayButton(itemId);
const detailButton = this.createDetailButton(itemId);
buttonContainer.append(detailButton, playButton);
slide.append(
logoContainer,
backdropContainer,
gradientOverlay,
featuredContent,
plotContainer,
infoContainer,
genreElement,
buttonContainer
);
return slide;
},
/**
* Creates the rating information element
* @param {Object} item - Item data
* @returns {HTMLElement} Rating information element
*/
createRatingInfo(item) {
const {
CommunityRating: rating,
CriticRating: criticRating,
OfficialRating: age,
PremiereDate: date,
RunTimeTicks: runtime,
ChildCount: season
} = item;
const ratingTest = SlideUtils.createElement('div', {
className: 'rating-value'
});
const imdbLogo = SlideUtils.createElement('img', {
className: 'imdb-logo',
src: CONFIG.IMAGE_URLS.imdbLogo,
alt: 'IMDb Logo',
style: {
width: '30px',
height: '30px'
}
});
ratingTest.appendChild(imdbLogo);
if (typeof rating === 'number') {
const ratingSpan = document.createElement('span');
ratingSpan.textContent = rating.toFixed(1);
ratingSpan.style.marginRight = '5px';
ratingTest.appendChild(ratingSpan);
} else {
const naSpan = document.createElement('span');
naSpan.innerHTML = 'N/A';
naSpan.style.color = '#fff9';
naSpan.style.marginRight = '5px';
ratingTest.appendChild(naSpan);
}
ratingTest.appendChild(SlideUtils.createSeparator());
const tomatoRatingDiv = SlideUtils.createElement('div', {
className: 'tomato-rating'
});
const tomatoLogo = SlideUtils.createElement('img', {
className: 'tomato-logo',
src: CONFIG.IMAGE_URLS.tomatoLogo,
alt: 'Tomato Logo',
style: {
width: '15px',
height: '17px'
}
});
let valueElement;
if (typeof criticRating === 'number') {
valueElement = document.createTextNode(`${criticRating}% `);
} else {
const naSpan = SlideUtils.createElement('span', {
style: { color: '#fff9' }
}, 'N/A ');
valueElement = naSpan;
}
const criticLogo = SlideUtils.createElement('img', {
className: 'critic-logo',
src: criticRating > 59 ? CONFIG.IMAGE_URLS.freshTomato : CONFIG.IMAGE_URLS.rottenTomato,
alt: criticRating > 59 ? 'Fresh Tomato' : 'Rotten Tomato',
style: {
width: '15px',
height: '15px'
}
});
tomatoRatingDiv.append(tomatoLogo, valueElement, criticLogo);
tomatoRatingDiv.appendChild(SlideUtils.createSeparator());
const ageRatingDiv = SlideUtils.createElement('div', {
className: 'age-rating'
});
ageRatingDiv.innerHTML = age || 'N/A';
const premiereDate = SlideUtils.createElement('div', {
className: 'date'
});
const year = date ? new Date(date).getFullYear() : NaN;
if (isNaN(year)) {
const naSpan = SlideUtils.createElement('span', {
style: { color: '#fff9' }
}, 'N/A');
premiereDate.appendChild(naSpan);
} else {
premiereDate.textContent = year;
}
const runTimeElement = SlideUtils.createElement('div', {
className: 'runTime'
});
if (season === undefined) {
const milliseconds = runtime / 10000;
const currentTime = new Date();
const endTime = new Date(currentTime.getTime() + milliseconds);
const options = { hour: '2-digit', minute: '2-digit', hour12: false };
const formattedEndTime = endTime.toLocaleTimeString([], options);
runTimeElement.textContent = `Ends at ${formattedEndTime}`;
} else {
runTimeElement.textContent = `${season} Season${season > 1 ? 's' : ''}`;
}
ratingTest.append(
tomatoRatingDiv,
premiereDate,
SlideUtils.createSeparator(),
ageRatingDiv,
SlideUtils.createSeparator(),
runTimeElement
);
return ratingTest;
},
/**
* Creates a play button for an item
* @param {string} itemId - Item ID
* @returns {HTMLElement} Play button element
*/
createPlayButton(itemId) {
return SlideUtils.createElement('button', {
className: 'play-button',
innerHTML: `
<span class="play-icon"><i class="material-icons">play_circle</i></span>
<span class="play-text">Play</span>
`,
onclick: (e) => {
e.preventDefault();
e.stopPropagation();
ApiUtils.playItem(itemId);
}
});
},
/**
* Creates a detail button for an item
* @param {string} itemId - Item ID
* @returns {HTMLElement} Detail button element
*/
createDetailButton(itemId) {
return SlideUtils.createElement('button', {
className: 'detail-button',
innerHTML: `
<span class="detail-icon"><i class="material-icons info_outline"></i></span>
<span class="detail-text">Info</span>
`,
onclick: (e) => {
e.preventDefault();
e.stopPropagation();
if (window.Emby && window.Emby.Page) {
Emby.Page.show(`/details?id=${itemId}`);
} else {
window.location.href = `#/details?id=${itemId}`;
}
}
});
},
/**
* Creates a placeholder slide for loading
* @param {string} itemId - Item ID to load
* @returns {HTMLElement} Placeholder slide element
*/
createLoadingPlaceholder(itemId) {
const placeholder = SlideUtils.createElement('a', {
className: 'slide placeholder',
'data-item-id': itemId,
style: {
display: 'none',
opacity: '0',
transition: `opacity ${CONFIG.fadeTransitionDuration}ms ease-in-out`
}
});
const loadingIndicator = SlideUtils.createLoadingIndicator();
placeholder.appendChild(loadingIndicator);
return placeholder;
},
/**
* Creates a slide for an item and adds it to the container
* @param {string} itemId - Item ID
* @returns {Promise<HTMLElement>} Created slide element
*/
async createSlideForItemId(itemId) {
try {
if (STATE.slideshow.createdSlides[itemId]) {
return document.querySelector(`.slide[data-item-id="${itemId}"]`);
}
const container = SlideUtils.getOrCreateSlidesContainer();
const placeholder = this.createLoadingPlaceholder(itemId);
container.appendChild(placeholder);
const item = await ApiUtils.fetchItemDetails(itemId);
if (!item) {
placeholder.remove();
return null;
}
const slideElement = this.createSlideElement(item, item.Type === "Movie" ? "Movie" : "TV Show");
if (!slideElement) {
placeholder.remove();
return null;
}
container.replaceChild(slideElement, placeholder);
STATE.slideshow.createdSlides[itemId] = true;
return slideElement;
} catch (error) {
console.error("Error creating slide for item:", error, itemId);
return null;
}
}
};
/**
* Manages slideshow functionality
*/
const SlideshowManager = {
/**
* Creates pagination dots for the slideshow
* Exactly 5 dots that cycle regardless of total slides
*/
createPaginationDots() {
const container = SlideUtils.getOrCreateSlidesContainer();
let dotsContainer = container.querySelector('.dots-container');
const parentContainer = container.parentElement || document.body;
if (dotsContainer) {
dotsContainer.remove();
}
dotsContainer = SlideUtils.createElement('div', {
className: 'dots-container',
style: {
opacity: '0',
transition: `opacity ${CONFIG.fadeTransitionDuration}ms ease-in-out`
}
});
const numDots = 5;
for (let i = 0; i < numDots; i++) {
const dot = SlideUtils.createElement('span', {
className: 'dot',
'data-index': i,
onclick: (e) => {
e.preventDefault();
e.stopPropagation();
const totalItems = STATE.slideshow.totalItems;
let targetIndex;
if (totalItems <= numDots) {
targetIndex = i % totalItems;
} else {
targetIndex = Math.floor((i / numDots) * totalItems);
}
this.updateCurrentSlide(targetIndex);
}
});
dotsContainer.appendChild(dot);
}
container.appendChild(dotsContainer);
this.updateDots();
},
/**
* Updates active dot based on current slide
* Maps current slide to one of the 5 dots
*/
updateDots() {
const container = SlideUtils.getOrCreateSlidesContainer();
const dots = container.querySelectorAll('.dot');
const currentIndex = STATE.slideshow.currentSlideIndex;
const totalItems = STATE.slideshow.totalItems;
const numDots = dots.length;
let activeDotIndex;
if (totalItems <= numDots) {
activeDotIndex = currentIndex;
} else {
activeDotIndex = Math.floor((currentIndex % numDots) * (numDots / numDots));
}
dots.forEach((dot, index) => {
if (index === activeDotIndex) {
dot.classList.add('active');
} else {
dot.classList.remove('active');
}
});
},
/**
* Updates current slide to the specified index
* @param {number} index - Slide index to display
*/
async updateCurrentSlide(index) {
if (STATE.slideshow.isTransitioning) {
return;
}
STATE.slideshow.isTransitioning = true;
try {
const container = SlideUtils.getOrCreateSlidesContainer();
const totalItems = STATE.slideshow.totalItems;
index = Math.max(0, Math.min(index, totalItems - 1));
const currentItemId = STATE.slideshow.itemIds[index];
let currentSlide = document.querySelector(`.slide[data-item-id="${currentItemId}"]`);
if (!currentSlide) {
//const placeholder = SlideCreator.createLoadingPlaceholder(currentItemId);
//container.appendChild(placeholder);
//placeholder.style.display = 'block';
//void placeholder.offsetWidth;
//placeholder.style.opacity = '1';
currentSlide = await SlideCreator.createSlideForItemId(currentItemId);
this.upgradeSlideImageQuality(currentSlide);
if (!currentSlide) {
console.error(`Failed to create slide for item ${currentItemId}`);
STATE.slideshow.isTransitioning = false;
setTimeout(() => this.nextSlide(), 500);
return;
}
}
const previousVisibleSlide = container.querySelector('.slide[style*="opacity: 1"]');
currentSlide.style.display = 'block';
currentSlide.style.opacity = '0';
currentSlide.style.zIndex = '2';
if (previousVisibleSlide) {
previousVisibleSlide.style.zIndex = '1';
}
STATE.slideshow.currentSlideIndex = index;
void currentSlide.offsetWidth;
currentSlide.style.opacity = '1';
if (index === 0 || !previousVisibleSlide) {
const dotsContainer = container.querySelector('.dots-container');
if (dotsContainer) {
dotsContainer.style.opacity = '1';
}
}
setTimeout(() => {
const allSlides = container.querySelectorAll('.slide');
allSlides.forEach(slide => {
if (slide !== currentSlide) {
slide.style.display = 'none';
slide.style.opacity = '0';
slide.style.zIndex = '0';
}
});
currentSlide.style.zIndex = '1';
}, CONFIG.fadeTransitionDuration);
this.preloadAdjacentSlides(index);
this.updateDots();
if (STATE.slideshow.slideInterval) {
STATE.slideshow.slideInterval.restart();
}
this.pruneSlideCache();
} catch (error) {
console.error("Error updating current slide:", error);
} finally {
setTimeout(() => {
STATE.slideshow.isTransitioning = false;
}, CONFIG.fadeTransitionDuration);
}
},
/**
* Upgrades the image quality for all images in a slide
* @param {HTMLElement} slide - The slide element containing images to upgrade
*/
upgradeSlideImageQuality(slide) {
if (!slide) return;
const images = slide.querySelectorAll('img.low-quality');
images.forEach(img => {
const highQualityUrl = img.getAttribute('data-high-quality');
if (highQualityUrl) {
addThrottledRequest(highQualityUrl, () => {
img.src = highQualityUrl;
img.classList.remove('low-quality');
img.classList.add('high-quality');
});
}
});
},
/**
* Preloads adjacent slides for smoother transitions
* @param {number} currentIndex - Current slide index
*/
async preloadAdjacentSlides(currentIndex) {
const totalItems = STATE.slideshow.totalItems;
const preloadCount = CONFIG.preloadCount;
const nextIndex = (currentIndex + 1) % totalItems;
const itemId = STATE.slideshow.itemIds[nextIndex];
await SlideCreator.createSlideForItemId(itemId);
if (preloadCount > 1) {
const prevIndex = (currentIndex - 1 + totalItems) % totalItems;
const prevItemId = STATE.slideshow.itemIds[prevIndex];
SlideCreator.createSlideForItemId(prevItemId);
}
},
nextSlide() {
const currentIndex = STATE.slideshow.currentSlideIndex;
const totalItems = STATE.slideshow.totalItems;
const nextIndex = (currentIndex + 1) % totalItems;
this.updateCurrentSlide(nextIndex);
},
prevSlide() {
const currentIndex = STATE.slideshow.currentSlideIndex;
const totalItems = STATE.slideshow.totalItems;
const prevIndex = (currentIndex - 1 + totalItems) % totalItems;
this.updateCurrentSlide(prevIndex);
},
/**
* Prunes the slide cache to prevent memory bloat
* Removes slides that are outside the viewing range
*/
pruneSlideCache() {
const currentIndex = STATE.slideshow.currentSlideIndex;
const keepRange = 5;
Object.keys(STATE.slideshow.createdSlides).forEach(itemId => {
const index = STATE.slideshow.itemIds.indexOf(itemId);
if (index === -1) return;
const distance = Math.abs(index - currentIndex);
if (distance > keepRange) {
delete STATE.slideshow.loadedItems[itemId];
const slide = document.querySelector(`.slide[data-item-id="${itemId}"]`);
if (slide) slide.remove();
delete STATE.slideshow.createdSlides[itemId];
console.log(`Pruned slide ${itemId} at distance ${distance} from view`);
}
});
},
/**
* Initializes touch events for swiping
*/
initTouchEvents() {
const container = SlideUtils.getOrCreateSlidesContainer();
let touchStartX = 0;
let touchEndX = 0;
container.addEventListener('touchstart', (e) => {
touchStartX = e.changedTouches[0].screenX;
}, { passive: true });
container.addEventListener('touchend', (e) => {
touchEndX = e.changedTouches[0].screenX;
this.handleSwipe(touchStartX, touchEndX);
}, { passive: true });
},
/**
* Handles swipe gestures
* @param {number} startX - Starting X position
* @param {number} endX - Ending X position
*/
handleSwipe(startX, endX) {
const diff = endX - startX;
if (Math.abs(diff) < CONFIG.minSwipeDistance) {
return;
}
if (diff > 0) {
this.prevSlide();
} else {
this.nextSlide();
}
},
/**
* Initializes keyboard event listeners
*/
initKeyboardEvents() {
document.addEventListener('keydown', (e) => {
if (!STATE.slideshow.containerFocused) {
return;
}
switch (e.key) {
case 'ArrowLeft':
this.prevSlide();
e.preventDefault();
break;
case 'ArrowRight':
this.nextSlide();
e.preventDefault();
break;
}
});
const container = SlideUtils.getOrCreateSlidesContainer();
container.addEventListener('focus', () => {
STATE.slideshow.containerFocused = true;
});
container.addEventListener('blur', () => {
STATE.slideshow.containerFocused = false;
});
},
/**
* Loads slideshow data and initializes the slideshow
*/
async loadSlideshowData() {
try {
STATE.slideshow.isLoading = true;
let itemIds = await ApiUtils.fetchItemIdsFromList();
if (itemIds.length === 0) {
itemIds = await ApiUtils.fetchItemIdsFromServer();
}
itemIds = SlideUtils.shuffleArray(itemIds);
STATE.slideshow.itemIds = itemIds;
STATE.slideshow.totalItems = itemIds.length;
this.createPaginationDots();
await this.updateCurrentSlide(0);
STATE.slideshow.slideInterval = new SlideTimer(() => {
this.nextSlide();
}, CONFIG.shuffleInterval);
} catch (error) {
console.error("Error loading slideshow data:", error);
} finally {
STATE.slideshow.isLoading = false;
}
}
};
/**
* Initializes arrow navigation elements
*/
const initArrowNavigation = () => {
const container = SlideUtils.getOrCreateSlidesContainer();
const leftArrow = SlideUtils.createElement('div', {
className: 'arrow left-arrow',
innerHTML: '<i class="material-icons">chevron_left</i>',
onclick: (e) => {
e.preventDefault();
e.stopPropagation();
SlideshowManager.prevSlide();
},
style: {
opacity: '0',
transition: 'opacity 0.3s ease',
display: 'none'
}
});
const rightArrow = SlideUtils.createElement('div', {
className: 'arrow right-arrow',
innerHTML: '<i class="material-icons">chevron_right</i>',
onclick: (e) => {
e.preventDefault();
e.stopPropagation();
SlideshowManager.nextSlide();
},
style: {
opacity: '0',
transition: 'opacity 0.3s ease',
display: 'none'
}
});
container.appendChild(leftArrow);
container.appendChild(rightArrow);
const showArrows = () => {
leftArrow.style.display = 'block';
rightArrow.style.display = 'block';
void leftArrow.offsetWidth;
void rightArrow.offsetWidth;
leftArrow.style.opacity = '1';
rightArrow.style.opacity = '1';
};
const hideArrows = () => {
leftArrow.style.opacity = '0';
rightArrow.style.opacity = '0';
setTimeout(() => {
if (leftArrow.style.opacity === '0') {
leftArrow.style.display = 'none';
rightArrow.style.display = 'none';
}
}, 300);
};
container.addEventListener('mouseenter', showArrows);
container.addEventListener('mouseleave', hideArrows);
let arrowTimeout;
container.addEventListener('touchstart', () => {
if (arrowTimeout) {
clearTimeout(arrowTimeout);
}
showArrows();
arrowTimeout = setTimeout(hideArrows, 2000);
}, { passive: true });
};
/**
* Initialize the slideshow
*/
const slidesInit = async () => {
if (STATE.slideshow.hasInitialized) {
console.log("⚠️ Slideshow already initialized, skipping");
return;
}
STATE.slideshow.hasInitialized = true;
/**
* Initialize IntersectionObserver for lazy loading images
*/
const initLazyLoading = () => {
const imageObserver = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
const image = entry.target;
const highQualityUrl = image.getAttribute('data-high-quality');
if (highQualityUrl &&
image.closest('.slide').style.opacity === '1') {
requestQueue.push({
url: highQualityUrl,
callback: () => {
image.src = highQualityUrl;
image.classList.remove('low-quality');
image.classList.add('high-quality');
}
});
if (requestQueue.length === 1) {
processNextRequest();
}
}
observer.unobserve(image);
}
});
}, {
rootMargin: '50px',
threshold: 0.1
});
const observeSlideImages = () => {
const slides = document.querySelectorAll('.slide');
slides.forEach(slide => {
const images = slide.querySelectorAll('img.low-quality');
images.forEach(image => {
imageObserver.observe(image);
});
});
};
const slideObserver = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.addedNodes) {
mutation.addedNodes.forEach(node => {
if (node.classList && node.classList.contains('slide')) {
const images = node.querySelectorAll('img.low-quality');
images.forEach(image => {
imageObserver.observe(image);
});
}
});
}
});
});
const container = SlideUtils.getOrCreateSlidesContainer();
slideObserver.observe(container, { childList: true });
observeSlideImages();
return imageObserver;
};
const lazyLoadObserver = initLazyLoading();
try {
console.log("🌟 Initializing Enhanced Jellyfin Slideshow");
await SlideshowManager.loadSlideshowData();
SlideshowManager.initTouchEvents();
SlideshowManager.initKeyboardEvents();
initArrowNavigation();
VisibilityObserver.init();
console.log("✅ Enhanced Jellyfin Slideshow initialized successfully");
} catch (error) {
console.error("Error initializing slideshow:", error);
STATE.slideshow.hasInitialized = false;
}
};
window.slideshowPure = {
CONFIG,
STATE,
SlideUtils,
ApiUtils,
SlideCreator,
SlideshowManager,
VisibilityObserver,
initSlideshowData: () => {
SlideshowManager.loadSlideshowData();
},
nextSlide: () => {
SlideshowManager.nextSlide();
},
prevSlide: () => {
SlideshowManager.prevSlide();
}
};
initLoadingScreen();
startLoginStatusWatcher();