rattatwinko/bytechat-desktop
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some config

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rattatwinko
2025-08-26 18:13:38 +02:00
parent 913d75efac
commit 60b254216d
6 changed files with 451 additions and 395 deletions
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392
src/index.html
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@@ -7,8 +7,10 @@
<meta http-equiv="X-Content-Type-Options" content="nosniff">
<meta http-equiv="X-Frame-Options" content="DENY">
<link rel="stylesheet" href="./stylesheet.css">
<link rel="icon" type="image/png" href="./assets/favicon.ico">
<script src="https://cdn.jsdelivr.net/npm/socket.io-client@4.7.2/dist/socket.io.min.js"></script>
<script src="./main.js"></script>
<script src="./frontend.js"></script>
</head>
<body style="overflow-y: auto;">
<div class="chat-container">
@@ -84,7 +86,7 @@
<textarea
class="message-input"
id="messageInput"
placeholder="Message ByteChat…"
placeholder="Send a Message…"
rows="1"
disabled
maxlength="4000"
@@ -102,393 +104,5 @@
</div>
</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;">
🔒 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>