updated some frontend stuff
This commit is contained in:
381
src/static/frontend.js
Normal file
381
src/static/frontend.js
Normal file
@@ -0,0 +1,381 @@
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// Mobile keyboard handling
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let initialViewportHeight = window.innerHeight;
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function adjustForKeyboard() {
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const currentHeight = window.visualViewport ? window.visualViewport.height : window.innerHeight;
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const diff = initialViewportHeight - currentHeight;
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (diff > 150) { // Keyboard is likely open
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keyboardOpen = true;
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if (messagesWrapper) {
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messagesWrapper.style.paddingBottom = '140px'; // Even more padding for mobile keyboard
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// Reset scroll state and aggressively scroll to bottom
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userScrolled = false;
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// Multiple scroll attempts with increasing delays
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
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}, 100);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
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}, 250);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
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}, 400);
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// iOS often needs even more attempts
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if (isIOS) {
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
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}, 600);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
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}, 800);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
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}, 1000);
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}
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}
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} else {
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keyboardOpen = false;
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if (messagesWrapper) {
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messagesWrapper.style.paddingBottom = '80px';
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// Scroll to bottom when keyboard closes too
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setTimeout(() => {
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if (!userScrolled) {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 100;
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}
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}, 200);
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setTimeout(() => {
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if (!userScrolled) {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 100;
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}
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}, 400);
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}
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}
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}
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// Listen for viewport changes (keyboard open/close)
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if (window.visualViewport) {
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window.visualViewport.addEventListener('resize', adjustForKeyboard);
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} else {
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window.addEventListener('resize', adjustForKeyboard);
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}
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// Mobile-optimized focus handling for textarea
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document.addEventListener('DOMContentLoaded', function() {
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const messageInput = document.getElementById('messageInput');
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if (messageInput) {
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messageInput.addEventListener('focus', function() {
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// Reset scroll state when focusing input
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userScrolled = false;
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// Multiple timeout attempts for different mobile browsers
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setTimeout(adjustForKeyboard, 200);
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setTimeout(adjustForKeyboard, 400);
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if (isMobile) {
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setTimeout(adjustForKeyboard, 600);
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setTimeout(() => {
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (messagesWrapper) {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
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}
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}, 800);
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// Additional scroll attempt for stubborn mobile browsers
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setTimeout(() => {
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (messagesWrapper) {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
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}
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}, 1200);
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}
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});
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messageInput.addEventListener('blur', function() {
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setTimeout(adjustForKeyboard, 200);
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setTimeout(adjustForKeyboard, 400);
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});
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// Handle input events for better mobile experience
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messageInput.addEventListener('input', function() {
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if (isMobile && !userScrolled) {
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setTimeout(() => {
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scrollToBottom(false);
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}, 100);
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}
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});
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}
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});
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// Mobile-optimized auto-scroll functionality
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let isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) || window.innerWidth <= 768;
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let isIOS = /iPad|iPhone|iPod/.test(navigator.userAgent);
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let keyboardOpen = false;
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function scrollToBottom(smooth = true) {
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (messagesWrapper) {
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// On mobile, especially iOS, direct scrollTop assignment is more reliable
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if (isMobile) {
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// Different scroll behavior based on keyboard state
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const extraPadding = keyboardOpen ? 200 : 100;
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const targetScroll = messagesWrapper.scrollHeight + extraPadding;
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messagesWrapper.scrollTop = targetScroll;
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// Multiple aggressive scroll attempts for mobile reliability
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + extraPadding;
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}, 50);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + extraPadding;
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}, 150);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + extraPadding;
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}, 300);
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// Extra attempts when just viewing (no keyboard)
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if (!keyboardOpen) {
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
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}, 500);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
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}, 750);
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}
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// Final iOS-specific attempt
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if (isIOS) {
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const finalPadding = keyboardOpen ? 250 : 200;
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + finalPadding;
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}, keyboardOpen ? 500 : 1000);
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}
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} else {
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if (smooth) {
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messagesWrapper.scrollTo({
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top: messagesWrapper.scrollHeight,
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behavior: 'smooth'
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});
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} else {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight;
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}
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}
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}
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}
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// Function to check if user is near bottom of messages
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function isNearBottom() {
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (!messagesWrapper) return true;
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// Larger threshold for mobile to account for touch scrolling momentum
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const threshold = isMobile ? 150 : 100;
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return messagesWrapper.scrollHeight - messagesWrapper.scrollTop - messagesWrapper.clientHeight < threshold;
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}
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// Mobile scroll state management
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let lastScrollTop = 0;
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let userScrolled = false;
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let scrollTimeout;
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let touchStartY = 0;
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let isScrolling = false;
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// Detect user scroll with mobile optimizations
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document.addEventListener('DOMContentLoaded', function() {
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (messagesWrapper) {
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// Handle touch events for better mobile detection
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messagesWrapper.addEventListener('touchstart', function(e) {
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touchStartY = e.touches[0].clientY;
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isScrolling = false;
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clearTimeout(scrollTimeout);
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}, { passive: true });
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messagesWrapper.addEventListener('touchmove', function(e) {
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if (!isScrolling) {
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isScrolling = true;
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const touchY = e.touches[0].clientY;
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const deltaY = touchStartY - touchY;
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// If user is swiping up (scrolling up), mark as user scrolled
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if (deltaY < -10 && !isNearBottom()) {
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userScrolled = true;
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}
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}
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}, { passive: true });
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messagesWrapper.addEventListener('touchend', function() {
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// Check scroll position after touch ends with delay for momentum scrolling
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setTimeout(() => {
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if (isNearBottom()) {
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userScrolled = false;
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}
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isScrolling = false;
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}, 300);
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}, { passive: true });
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// Regular scroll event with debouncing for mobile
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messagesWrapper.addEventListener('scroll', function() {
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clearTimeout(scrollTimeout);
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scrollTimeout = setTimeout(() => {
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const currentScrollTop = messagesWrapper.scrollTop;
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const maxScroll = messagesWrapper.scrollHeight - messagesWrapper.clientHeight;
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// More lenient detection for mobile
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const upScrollThreshold = isMobile ? 30 : 50;
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// If user scrolled up manually, don't auto-scroll for new messages
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if (currentScrollTop < lastScrollTop && currentScrollTop < maxScroll - upScrollThreshold) {
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userScrolled = true;
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}
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// If user scrolled to near bottom, resume auto-scrolling
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if (isNearBottom()) {
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userScrolled = false;
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}
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lastScrollTop = currentScrollTop;
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}, isMobile ? 150 : 50); // Longer debounce for mobile
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}, { passive: true });
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}
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});
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// Mobile-optimized message adding function
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function addMessageWithAutoScroll(messageElement) {
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const messagesContainer = document.getElementById('messagesContainer');
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if (messagesContainer && messageElement) {
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messagesContainer.appendChild(messageElement);
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// Only auto-scroll if user hasn't manually scrolled up
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if (!userScrolled) {
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (messagesWrapper) {
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// Immediate first scroll
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 100;
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// Progressive scroll attempts with different padding
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setTimeout(() => {
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const padding = keyboardOpen ? 200 : 150;
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + padding;
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}, 100);
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setTimeout(() => {
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const padding = keyboardOpen ? 200 : 150;
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + padding;
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}, 250);
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// Extra attempts when just viewing (no keyboard)
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if (!keyboardOpen && isMobile) {
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
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}, 400);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
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}, 600);
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// Final attempt for stubborn browsers
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 300;
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}, 1000);
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}
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// iOS-specific final attempt
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if (isIOS) {
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const finalPadding = keyboardOpen ? 250 : 300;
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + finalPadding;
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}, keyboardOpen ? 600 : 1200);
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}
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}
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}
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}
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}
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// Force scroll with mobile optimizations
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function forceScrollToBottom() {
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userScrolled = false;
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (messagesWrapper) {
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// Immediate aggressive scroll
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
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}, 100);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
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}, 300);
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// Extra attempts for iOS
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if (isIOS) {
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
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}, 500);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
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}, 700);
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}
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}
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}
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// Mobile-optimized mutation observer
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document.addEventListener('DOMContentLoaded', function() {
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const messagesContainer = document.getElementById('messagesContainer');
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if (messagesContainer) {
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// Create a MutationObserver to watch for new messages
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const observer = new MutationObserver(function(mutations) {
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mutations.forEach(function(mutation) {
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if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
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// Check if any added nodes are message elements
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const hasNewMessage = Array.from(mutation.addedNodes).some(node =>
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node.nodeType === Node.ELEMENT_NODE &&
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(node.classList.contains('message-group') || node.querySelector('.message-group'))
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);
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if (hasNewMessage && !userScrolled) {
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const messagesWrapper = document.getElementById('messagesWrapper');
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if (messagesWrapper) {
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// Immediate scroll
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 100;
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setTimeout(() => {
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const padding = keyboardOpen ? 200 : 150;
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + padding;
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}, 100);
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setTimeout(() => {
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const padding = keyboardOpen ? 250 : 200;
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + padding;
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}, 300);
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// Extra scrolling when just viewing (no keyboard)
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if (!keyboardOpen && isMobile) {
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
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}, 500);
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 300;
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}, 800);
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// Final aggressive attempt for viewing mode
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setTimeout(() => {
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messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 350;
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}, 1200);
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}
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}
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}
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}
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});
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});
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// Start observing
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observer.observe(messagesContainer, {
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childList: true,
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subtree: true
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});
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}
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});
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// Expose functions globally so your existing JavaScript can use them
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window.ByteChat = window.ByteChat || {};
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window.ByteChat.scrollToBottom = scrollToBottom;
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window.ByteChat.forceScrollToBottom = forceScrollToBottom;
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window.ByteChat.addMessageWithAutoScroll = addMessageWithAutoScroll;
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BIN
src/static/laptop.png
Normal file
BIN
src/static/laptop.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 7.2 MiB |
@@ -11,7 +11,7 @@
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<link rel="icon" type="image/png" href="{{ url_for('static', filename='favicon.png') }}">
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<script src="https://cdn.jsdelivr.net/npm/socket.io-client@4.7.2/dist/socket.io.min.js"></script>
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<script src="{{ url_for('static', filename='script.js') }}"></script>
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<scrpt src="{{ url_for('static', filename='frontend.js') }}"></script>
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</head>
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<body style="overflow-y: auto;">
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<div class="chat-container">
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@@ -68,45 +68,93 @@
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</div>
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</div>
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<div class="feature-list" style="grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 1rem; margin-top: 1.5rem; width: 100%;">
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<div class="feature-item" style="padding: 1.25rem;">
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<div class="feature-icon" role="img" aria-label="Security" style="font-size: clamp(1.5rem, 5vw, 2rem);">🔐</div>
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<div class="feature-title" style="font-size: clamp(0.95rem, 3.5vw, 1.1rem);">End-to-End Encryption</div>
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<div class="feature-desc" style="font-size: clamp(0.8rem, 3vw, 0.9rem);">Messages are encrypted with AES-256 in your browser. The server never sees your messages.</div>
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</div>
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<div class="feature-item" style="padding: 1.25rem;">
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<div class="feature-icon" role="img" aria-label="Real-time" style="font-size: clamp(1.5rem, 5vw, 2rem);">🌐</div>
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<div class="feature-title" style="font-size: clamp(0.95rem, 3.5vw, 1.1rem);">Real-time Chat</div>
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<div class="feature-desc" style="font-size: clamp(0.8rem, 3vw, 0.9rem);">Instant messaging with WebSocket technology for immediate message delivery.</div>
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</div>
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<div class="feature-item" style="padding: 1.25rem;">
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<div class="feature-icon" role="img" aria-label="Anonymous" style="font-size: clamp(1.5rem, 5vw, 2rem);">🎭</div>
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<div class="feature-title" style="font-size: clamp(0.95rem, 3.5vw, 1.1rem);">Anonymous Users</div>
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<div class="feature-desc" style="font-size: clamp(0.8rem, 3vw, 0.9rem);">Each session gets a new random UUID. No registration or personal info required.</div>
|
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<!-- Laptop Image and Desktop App Section -->
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<div style="margin-top: 2rem; display: flex; flex-direction: column; align-items: center; width: 100%;">
|
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<img class="laptopimg"
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src="{{ url_for('static', filename='laptop.png')}}"
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alt="ByteChat Desktop Application"
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style="width: clamp(200px, 50vw, 400px); height: auto; border-radius: 12px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); transition: transform 0.3s ease, box-shadow 0.3s ease; margin-bottom: 1.5rem; display: block;">
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<!-- local testing image. uncomment if developing locally
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<img class="laptopimg"
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src="../static/laptop.png"
|
||||
alt="ByteChat Desktop Application"
|
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style="width: clamp(200px, 50vw, 400px); height: auto; border-radius: 12px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); transition: transform 0.3s ease, box-shadow 0.3s ease; margin-bottom: 1.5rem; display: block;">
|
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-->
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||||
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<!-- Desktop App Section -->
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<div style="text-align: center; max-width: 600px; padding: 0 1rem;">
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<h2 style="font-size: clamp(1.25rem, 5vw, 1.75rem); margin-bottom: 1rem; color: #00ff88;">Desktop Application</h2>
|
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<p style="font-size: clamp(0.9rem, 3.5vw, 1.1rem); margin-bottom: 1.5rem; line-height: 1.6; color: #b0b0b0;">
|
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For a better experience, consider downloading our desktop application. It offers enhanced performance
|
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trough native Encryption (instead of Browser-Reliant Encryption). Click the button below to download the latest version.
|
||||
</p>
|
||||
|
||||
<!-- Desktop App Download Button -->
|
||||
<div style="margin-bottom: 1rem;">
|
||||
<a href="https://rattatwinko.servecounterstrike.com/gitea/rattatwinko/bytechat-desktop/releases"
|
||||
target="_blank"
|
||||
rel="noopener noreferrer"
|
||||
class="btn"
|
||||
style="display: inline-block; text-decoration: none; font-size: clamp(0.85rem, 3.5vw, 1rem); padding: 0.6rem 1.5rem; min-width: 150px;">
|
||||
Download Desktop App
|
||||
</a>
|
||||
</div>
|
||||
|
||||
<!-- Release Notes Placeholder -->
|
||||
<!--
|
||||
<div style="margin-top: 2rem; padding: 1rem; border: 1px solid #333; border-radius: 8px; background: rgba(0, 0, 0, 0.2);">
|
||||
<h3 style="font-size: clamp(1rem, 4vw, 1.25rem); margin-bottom: 0.75rem; color: #ffffff;">Release Information</h3>
|
||||
<div style="font-size: clamp(0.8rem, 3vw, 0.95rem); color: #888; line-height: 1.5;">
|
||||
<p>
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
-->
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<style>
|
||||
.laptopimg:hover {
|
||||
transform: translateY(-5px);
|
||||
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
|
||||
}
|
||||
|
||||
/* Responsive adjustments for smaller screens */
|
||||
@media (max-width: 480px) {
|
||||
.laptopimg {
|
||||
margin-bottom: 1rem !important;
|
||||
}
|
||||
}
|
||||
|
||||
/* Ensure images are responsive and maintain aspect ratio */
|
||||
.laptopimg {
|
||||
max-width: 100%;
|
||||
object-fit: contain;
|
||||
}
|
||||
</style>
|
||||
</div>
|
||||
|
||||
<!-- Chat Screen -->
|
||||
<div id="chatScreen" style="display: none;" class="chat-screen">
|
||||
<div class="room-info" id="roomInfo" style="display: none; padding: 0.6rem 0.75rem; flex-wrap: wrap; gap: 0.5rem;">
|
||||
<div class="room-details" style="min-width: auto; flex: 1;">
|
||||
<span style="font-size: clamp(0.75rem, 3vw, 0.85rem);">Room: <strong id="currentRoomId"></strong></span>
|
||||
<span id="messageCounter" style="font-size: clamp(0.75rem, 3vw, 0.85rem);">Messages: 0/256</span>
|
||||
<div id="chatScreen" style="display: none;" class="chat-screen">
|
||||
<div class="room-info" id="roomInfo" style="display: none; padding: 0.6rem 0.75rem; flex-wrap: wrap; gap: 0.5rem;">
|
||||
<div class="room-details" style="min-width: auto; flex: 1;">
|
||||
<span style="font-size: clamp(0.75rem, 3vw, 0.85rem);">Room: <strong id="currentRoomId"></strong></span>
|
||||
<span id="messageCounter" style="font-size: clamp(0.75rem, 3vw, 0.85rem);">Messages: 0/256</span>
|
||||
</div>
|
||||
<div class="room-details" style="min-width: auto; flex: 1;">
|
||||
<span id="userCounter" style="font-size: clamp(0.75rem, 3vw, 0.85rem);">Users: 0</span>
|
||||
<span id="encryptionStatus" style="font-size: clamp(0.75rem, 3vw, 0.85rem);">🔐 Encrypted</span>
|
||||
</div>
|
||||
</div>
|
||||
<div class="room-details" style="min-width: auto; flex: 1;">
|
||||
<span id="userCounter" style="font-size: clamp(0.75rem, 3vw, 0.85rem);">Users: 0</span>
|
||||
<span id="encryptionStatus" style="font-size: clamp(0.75rem, 3vw, 0.85rem);">🔐 Encrypted</span>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<!-- wrapper for scroll -->
|
||||
<div class="messages-wrapper" id="messagesWrapper" style="padding: 0.75rem; padding-bottom: 80px; flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; scroll-behavior: smooth;">
|
||||
<div class="messages-container" id="messagesContainer" role="log" aria-live="polite" aria-label="Chat messages">
|
||||
<!-- Messages will be inserted here -->
|
||||
<!-- wrapper for scroll -->
|
||||
<div class="messages-wrapper" id="messagesWrapper" style="padding: 0.75rem; padding-bottom: 80px; flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; scroll-behavior: smooth;">
|
||||
<div class="messages-container" id="messagesContainer" role="log" aria-live="polite" aria-label="Chat messages">
|
||||
<!-- Messages will be inserted here -->
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div class="input-section" id="inputSection" style="display: none; padding: 0.6rem 0.75rem; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000; background: rgba(20, 20, 20, 0.98); backdrop-filter: blur(10px); border-top: 1px solid #333; box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);">
|
||||
<div class="input-container" style="gap: 0.4rem; max-width: 100%;">
|
||||
@@ -133,392 +181,9 @@
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div class="security-indicator" id="securityIndicator" style="display: none; bottom: calc(0.75rem + 80px); right: 15px; padding: 0.4rem 0.8rem; font-size: clamp(0.7rem, 3vw, 0.8rem); z-index: 999;">
|
||||
<!-- <div class="security-indicator" id="securityIndicator" style="display: none; bottom: calc(0.75rem + 80px); right: 15px; padding: 0.4rem 0.8rem; font-size: clamp(0.7rem, 3vw, 0.8rem); z-index: 999;">
|
||||
🔒 End-to-End Encrypted
|
||||
</div>
|
||||
|
||||
<script>
|
||||
// Mobile keyboard handling
|
||||
let initialViewportHeight = window.innerHeight;
|
||||
|
||||
function adjustForKeyboard() {
|
||||
const currentHeight = window.visualViewport ? window.visualViewport.height : window.innerHeight;
|
||||
const diff = initialViewportHeight - currentHeight;
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
|
||||
if (diff > 150) { // Keyboard is likely open
|
||||
keyboardOpen = true;
|
||||
if (messagesWrapper) {
|
||||
messagesWrapper.style.paddingBottom = '140px'; // Even more padding for mobile keyboard
|
||||
// Reset scroll state and aggressively scroll to bottom
|
||||
userScrolled = false;
|
||||
|
||||
// Multiple scroll attempts with increasing delays
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
|
||||
}, 100);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
|
||||
}, 250);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
|
||||
}, 400);
|
||||
|
||||
// iOS often needs even more attempts
|
||||
if (isIOS) {
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
|
||||
}, 600);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
|
||||
}, 800);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
|
||||
}, 1000);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
keyboardOpen = false;
|
||||
if (messagesWrapper) {
|
||||
messagesWrapper.style.paddingBottom = '80px';
|
||||
// Scroll to bottom when keyboard closes too
|
||||
setTimeout(() => {
|
||||
if (!userScrolled) {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 100;
|
||||
}
|
||||
}, 200);
|
||||
setTimeout(() => {
|
||||
if (!userScrolled) {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 100;
|
||||
}
|
||||
}, 400);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Listen for viewport changes (keyboard open/close)
|
||||
if (window.visualViewport) {
|
||||
window.visualViewport.addEventListener('resize', adjustForKeyboard);
|
||||
} else {
|
||||
window.addEventListener('resize', adjustForKeyboard);
|
||||
}
|
||||
|
||||
// Mobile-optimized focus handling for textarea
|
||||
document.addEventListener('DOMContentLoaded', function() {
|
||||
const messageInput = document.getElementById('messageInput');
|
||||
if (messageInput) {
|
||||
messageInput.addEventListener('focus', function() {
|
||||
// Reset scroll state when focusing input
|
||||
userScrolled = false;
|
||||
// Multiple timeout attempts for different mobile browsers
|
||||
setTimeout(adjustForKeyboard, 200);
|
||||
setTimeout(adjustForKeyboard, 400);
|
||||
if (isMobile) {
|
||||
setTimeout(adjustForKeyboard, 600);
|
||||
setTimeout(() => {
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
if (messagesWrapper) {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
|
||||
}
|
||||
}, 800);
|
||||
// Additional scroll attempt for stubborn mobile browsers
|
||||
setTimeout(() => {
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
if (messagesWrapper) {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
|
||||
}
|
||||
}, 1200);
|
||||
}
|
||||
});
|
||||
|
||||
messageInput.addEventListener('blur', function() {
|
||||
setTimeout(adjustForKeyboard, 200);
|
||||
setTimeout(adjustForKeyboard, 400);
|
||||
});
|
||||
|
||||
// Handle input events for better mobile experience
|
||||
messageInput.addEventListener('input', function() {
|
||||
if (isMobile && !userScrolled) {
|
||||
setTimeout(() => {
|
||||
scrollToBottom(false);
|
||||
}, 100);
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
// Mobile-optimized auto-scroll functionality
|
||||
let isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) || window.innerWidth <= 768;
|
||||
let isIOS = /iPad|iPhone|iPod/.test(navigator.userAgent);
|
||||
let keyboardOpen = false;
|
||||
|
||||
function scrollToBottom(smooth = true) {
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
if (messagesWrapper) {
|
||||
// On mobile, especially iOS, direct scrollTop assignment is more reliable
|
||||
if (isMobile) {
|
||||
// Different scroll behavior based on keyboard state
|
||||
const extraPadding = keyboardOpen ? 200 : 100;
|
||||
const targetScroll = messagesWrapper.scrollHeight + extraPadding;
|
||||
messagesWrapper.scrollTop = targetScroll;
|
||||
|
||||
// Multiple aggressive scroll attempts for mobile reliability
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + extraPadding;
|
||||
}, 50);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + extraPadding;
|
||||
}, 150);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + extraPadding;
|
||||
}, 300);
|
||||
|
||||
// Extra attempts when just viewing (no keyboard)
|
||||
if (!keyboardOpen) {
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
|
||||
}, 500);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
|
||||
}, 750);
|
||||
}
|
||||
|
||||
// Final iOS-specific attempt
|
||||
if (isIOS) {
|
||||
const finalPadding = keyboardOpen ? 250 : 200;
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + finalPadding;
|
||||
}, keyboardOpen ? 500 : 1000);
|
||||
}
|
||||
} else {
|
||||
if (smooth) {
|
||||
messagesWrapper.scrollTo({
|
||||
top: messagesWrapper.scrollHeight,
|
||||
behavior: 'smooth'
|
||||
});
|
||||
} else {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Function to check if user is near bottom of messages
|
||||
function isNearBottom() {
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
if (!messagesWrapper) return true;
|
||||
|
||||
// Larger threshold for mobile to account for touch scrolling momentum
|
||||
const threshold = isMobile ? 150 : 100;
|
||||
return messagesWrapper.scrollHeight - messagesWrapper.scrollTop - messagesWrapper.clientHeight < threshold;
|
||||
}
|
||||
|
||||
// Mobile scroll state management
|
||||
let lastScrollTop = 0;
|
||||
let userScrolled = false;
|
||||
let scrollTimeout;
|
||||
let touchStartY = 0;
|
||||
let isScrolling = false;
|
||||
|
||||
// Detect user scroll with mobile optimizations
|
||||
document.addEventListener('DOMContentLoaded', function() {
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
if (messagesWrapper) {
|
||||
|
||||
// Handle touch events for better mobile detection
|
||||
messagesWrapper.addEventListener('touchstart', function(e) {
|
||||
touchStartY = e.touches[0].clientY;
|
||||
isScrolling = false;
|
||||
clearTimeout(scrollTimeout);
|
||||
}, { passive: true });
|
||||
|
||||
messagesWrapper.addEventListener('touchmove', function(e) {
|
||||
if (!isScrolling) {
|
||||
isScrolling = true;
|
||||
const touchY = e.touches[0].clientY;
|
||||
const deltaY = touchStartY - touchY;
|
||||
|
||||
// If user is swiping up (scrolling up), mark as user scrolled
|
||||
if (deltaY < -10 && !isNearBottom()) {
|
||||
userScrolled = true;
|
||||
}
|
||||
}
|
||||
}, { passive: true });
|
||||
|
||||
messagesWrapper.addEventListener('touchend', function() {
|
||||
// Check scroll position after touch ends with delay for momentum scrolling
|
||||
setTimeout(() => {
|
||||
if (isNearBottom()) {
|
||||
userScrolled = false;
|
||||
}
|
||||
isScrolling = false;
|
||||
}, 300);
|
||||
}, { passive: true });
|
||||
|
||||
// Regular scroll event with debouncing for mobile
|
||||
messagesWrapper.addEventListener('scroll', function() {
|
||||
clearTimeout(scrollTimeout);
|
||||
scrollTimeout = setTimeout(() => {
|
||||
const currentScrollTop = messagesWrapper.scrollTop;
|
||||
const maxScroll = messagesWrapper.scrollHeight - messagesWrapper.clientHeight;
|
||||
|
||||
// More lenient detection for mobile
|
||||
const upScrollThreshold = isMobile ? 30 : 50;
|
||||
|
||||
// If user scrolled up manually, don't auto-scroll for new messages
|
||||
if (currentScrollTop < lastScrollTop && currentScrollTop < maxScroll - upScrollThreshold) {
|
||||
userScrolled = true;
|
||||
}
|
||||
|
||||
// If user scrolled to near bottom, resume auto-scrolling
|
||||
if (isNearBottom()) {
|
||||
userScrolled = false;
|
||||
}
|
||||
|
||||
lastScrollTop = currentScrollTop;
|
||||
}, isMobile ? 150 : 50); // Longer debounce for mobile
|
||||
}, { passive: true });
|
||||
}
|
||||
});
|
||||
|
||||
// Mobile-optimized message adding function
|
||||
function addMessageWithAutoScroll(messageElement) {
|
||||
const messagesContainer = document.getElementById('messagesContainer');
|
||||
if (messagesContainer && messageElement) {
|
||||
messagesContainer.appendChild(messageElement);
|
||||
|
||||
// Only auto-scroll if user hasn't manually scrolled up
|
||||
if (!userScrolled) {
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
if (messagesWrapper) {
|
||||
// Immediate first scroll
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 100;
|
||||
|
||||
// Progressive scroll attempts with different padding
|
||||
setTimeout(() => {
|
||||
const padding = keyboardOpen ? 200 : 150;
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + padding;
|
||||
}, 100);
|
||||
|
||||
setTimeout(() => {
|
||||
const padding = keyboardOpen ? 200 : 150;
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + padding;
|
||||
}, 250);
|
||||
|
||||
// Extra attempts when just viewing (no keyboard)
|
||||
if (!keyboardOpen && isMobile) {
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
|
||||
}, 400);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
|
||||
}, 600);
|
||||
// Final attempt for stubborn browsers
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 300;
|
||||
}, 1000);
|
||||
}
|
||||
|
||||
// iOS-specific final attempt
|
||||
if (isIOS) {
|
||||
const finalPadding = keyboardOpen ? 250 : 300;
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + finalPadding;
|
||||
}, keyboardOpen ? 600 : 1200);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Force scroll with mobile optimizations
|
||||
function forceScrollToBottom() {
|
||||
userScrolled = false;
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
if (messagesWrapper) {
|
||||
// Immediate aggressive scroll
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
|
||||
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 150;
|
||||
}, 100);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 200;
|
||||
}, 300);
|
||||
|
||||
// Extra attempts for iOS
|
||||
if (isIOS) {
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
|
||||
}, 500);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
|
||||
}, 700);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Mobile-optimized mutation observer
|
||||
document.addEventListener('DOMContentLoaded', function() {
|
||||
const messagesContainer = document.getElementById('messagesContainer');
|
||||
if (messagesContainer) {
|
||||
// Create a MutationObserver to watch for new messages
|
||||
const observer = new MutationObserver(function(mutations) {
|
||||
mutations.forEach(function(mutation) {
|
||||
if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
|
||||
// Check if any added nodes are message elements
|
||||
const hasNewMessage = Array.from(mutation.addedNodes).some(node =>
|
||||
node.nodeType === Node.ELEMENT_NODE &&
|
||||
(node.classList.contains('message-group') || node.querySelector('.message-group'))
|
||||
);
|
||||
|
||||
if (hasNewMessage && !userScrolled) {
|
||||
const messagesWrapper = document.getElementById('messagesWrapper');
|
||||
if (messagesWrapper) {
|
||||
// Immediate scroll
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 100;
|
||||
|
||||
setTimeout(() => {
|
||||
const padding = keyboardOpen ? 200 : 150;
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + padding;
|
||||
}, 100);
|
||||
setTimeout(() => {
|
||||
const padding = keyboardOpen ? 250 : 200;
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + padding;
|
||||
}, 300);
|
||||
|
||||
// Extra scrolling when just viewing (no keyboard)
|
||||
if (!keyboardOpen && isMobile) {
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 250;
|
||||
}, 500);
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 300;
|
||||
}, 800);
|
||||
// Final aggressive attempt for viewing mode
|
||||
setTimeout(() => {
|
||||
messagesWrapper.scrollTop = messagesWrapper.scrollHeight + 350;
|
||||
}, 1200);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
// Start observing
|
||||
observer.observe(messagesContainer, {
|
||||
childList: true,
|
||||
subtree: true
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
// Expose functions globally so your existing JavaScript can use them
|
||||
window.ByteChat = window.ByteChat || {};
|
||||
window.ByteChat.scrollToBottom = scrollToBottom;
|
||||
window.ByteChat.forceScrollToBottom = forceScrollToBottom;
|
||||
window.ByteChat.addMessageWithAutoScroll = addMessageWithAutoScroll;
|
||||
</script>
|
||||
-->
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user