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freeatnet/telegram-web-app.js

Created October 16, 2024 08:36
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Telegram's telegram-web-app.js on Oct 16, 2024
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telegram-web-app.js
// WebView
(function () {
var eventHandlers = {};
var locationHash = '';
try {
locationHash = location.hash.toString();
} catch (e) {}
var initParams = urlParseHashParams(locationHash);
var storedParams = sessionStorageGet('initParams');
if (storedParams) {
for (var key in storedParams) {
if (typeof initParams[key] === 'undefined') {
initParams[key] = storedParams[key];
}
}
}
sessionStorageSet('initParams', initParams);
var isIframe = false, iFrameStyle;
try {
isIframe = (window.parent != null && window != window.parent);
if (isIframe) {
window.addEventListener('message', function (event) {
if (event.source !== window.parent) return;
try {
var dataParsed = JSON.parse(event.data);
} catch (e) {
return;
}
if (!dataParsed || !dataParsed.eventType) {
return;
}
if (dataParsed.eventType == 'set_custom_style') {
if (event.origin === 'https://web.telegram.org') {
iFrameStyle.innerHTML = dataParsed.eventData;
}
} else if (dataParsed.eventType == 'reload_iframe') {
try {
window.parent.postMessage(JSON.stringify({eventType: 'iframe_will_reload'}), '*');
} catch (e) {}
location.reload();
} else {
receiveEvent(dataParsed.eventType, dataParsed.eventData);
}
});
iFrameStyle = document.createElement('style');
document.head.appendChild(iFrameStyle);
try {
window.parent.postMessage(JSON.stringify({eventType: 'iframe_ready', eventData: {reload_supported: true}}), '*');
} catch (e) {}
}
} catch (e) {}
function urlSafeDecode(urlencoded) {
try {
urlencoded = urlencoded.replace(/\+/g, '%20');
return decodeURIComponent(urlencoded);
} catch (e) {
return urlencoded;
}
}
function urlParseHashParams(locationHash) {
locationHash = locationHash.replace(/^#/, '');
var params = {};
if (!locationHash.length) {
return params;
}
if (locationHash.indexOf('=') < 0 && locationHash.indexOf('?') < 0) {
params._path = urlSafeDecode(locationHash);
return params;
}
var qIndex = locationHash.indexOf('?');
if (qIndex >= 0) {
var pathParam = locationHash.substr(0, qIndex);
params._path = urlSafeDecode(pathParam);
locationHash = locationHash.substr(qIndex + 1);
}
var query_params = urlParseQueryString(locationHash);
for (var k in query_params) {
params[k] = query_params[k];
}
return params;
}
function urlParseQueryString(queryString) {
var params = {};
if (!queryString.length) {
return params;
}
var queryStringParams = queryString.split('&');
var i, param, paramName, paramValue;
for (i = 0; i < queryStringParams.length; i++) {
param = queryStringParams[i].split('=');
paramName = urlSafeDecode(param[0]);
paramValue = param[1] == null ? null : urlSafeDecode(param[1]);
params[paramName] = paramValue;
}
return params;
}
// Telegram apps will implement this logic to add service params (e.g. tgShareScoreUrl) to game URL
function urlAppendHashParams(url, addHash) {
// url looks like 'https://game.com/path?query=1#hash'
// addHash looks like 'tgShareScoreUrl=' + encodeURIComponent('tgb://share_game_score?hash=very_long_hash123')
var ind = url.indexOf('#');
if (ind < 0) {
// https://game.com/path -> https://game.com/path#tgShareScoreUrl=etc
return url + '#' + addHash;
}
var curHash = url.substr(ind + 1);
if (curHash.indexOf('=') >= 0 || curHash.indexOf('?') >= 0) {
// https://game.com/#hash=1 -> https://game.com/#hash=1&tgShareScoreUrl=etc
// https://game.com/#path?query -> https://game.com/#path?query&tgShareScoreUrl=etc
return url + '&' + addHash;
}
// https://game.com/#hash -> https://game.com/#hash?tgShareScoreUrl=etc
if (curHash.length > 0) {
return url + '?' + addHash;
}
// https://game.com/# -> https://game.com/#tgShareScoreUrl=etc
return url + addHash;
}
function postEvent(eventType, callback, eventData) {
if (!callback) {
callback = function () {};
}
if (eventData === undefined) {
eventData = '';
}
console.log('[Telegram.WebView] > postEvent', eventType, eventData);
if (window.TelegramWebviewProxy !== undefined) {
TelegramWebviewProxy.postEvent(eventType, JSON.stringify(eventData));
callback();
}
else if (window.external && 'notify' in window.external) {
window.external.notify(JSON.stringify({eventType: eventType, eventData: eventData}));
callback();
}
else if (isIframe) {
try {
var trustedTarget = 'https://web.telegram.org';
// For now we don't restrict target, for testing purposes
trustedTarget = '*';
window.parent.postMessage(JSON.stringify({eventType: eventType, eventData: eventData}), trustedTarget);
callback();
} catch (e) {
callback(e);
}
}
else {
callback({notAvailable: true});
}
};
function receiveEvent(eventType, eventData) {
console.log('[Telegram.WebView] < receiveEvent', eventType, eventData);
callEventCallbacks(eventType, function(callback) {
callback(eventType, eventData);
});
}
function callEventCallbacks(eventType, func) {
var curEventHandlers = eventHandlers[eventType];
if (curEventHandlers === undefined ||
!curEventHandlers.length) {
return;
}
for (var i = 0; i < curEventHandlers.length; i++) {
try {
func(curEventHandlers[i]);
} catch (e) {}
}
}
function onEvent(eventType, callback) {
if (eventHandlers[eventType] === undefined) {
eventHandlers[eventType] = [];
}
var index = eventHandlers[eventType].indexOf(callback);
if (index === -1) {
eventHandlers[eventType].push(callback);
}
};
function offEvent(eventType, callback) {
if (eventHandlers[eventType] === undefined) {
return;
}
var index = eventHandlers[eventType].indexOf(callback);
if (index === -1) {
return;
}
eventHandlers[eventType].splice(index, 1);
};
function openProtoUrl(url) {
if (!url.match(/^(web\+)?tgb?:\/\/./)) {
return false;
}
var useIframe = navigator.userAgent.match(/iOS|iPhone OS|iPhone|iPod|iPad/i) ? true : false;
if (useIframe) {
var iframeContEl = document.getElementById('tgme_frame_cont') || document.body;
var iframeEl = document.createElement('iframe');
iframeContEl.appendChild(iframeEl);
var pageHidden = false;
var enableHidden = function () {
pageHidden = true;
};
window.addEventListener('pagehide', enableHidden, false);
window.addEventListener('blur', enableHidden, false);
if (iframeEl !== null) {
iframeEl.src = url;
}
setTimeout(function() {
if (!pageHidden) {
window.location = url;
}
window.removeEventListener('pagehide', enableHidden, false);
window.removeEventListener('blur', enableHidden, false);
}, 2000);
}
else {
window.location = url;
}
return true;
}
function sessionStorageSet(key, value) {
try {
window.sessionStorage.setItem('__telegram__' + key, JSON.stringify(value));
return true;
} catch(e) {}
return false;
}
function sessionStorageGet(key) {
try {
return JSON.parse(window.sessionStorage.getItem('__telegram__' + key));
} catch(e) {}
return null;
}
if (!window.Telegram) {
window.Telegram = {};
}
window.Telegram.WebView = {
initParams: initParams,
isIframe: isIframe,
onEvent: onEvent,
offEvent: offEvent,
postEvent: postEvent,
receiveEvent: receiveEvent,
callEventCallbacks: callEventCallbacks
};
window.Telegram.Utils = {
urlSafeDecode: urlSafeDecode,
urlParseQueryString: urlParseQueryString,
urlParseHashParams: urlParseHashParams,
urlAppendHashParams: urlAppendHashParams,
sessionStorageSet: sessionStorageSet,
sessionStorageGet: sessionStorageGet
};
// For Windows Phone app
window.TelegramGameProxy_receiveEvent = receiveEvent;
// App backward compatibility
window.TelegramGameProxy = {
receiveEvent: receiveEvent
};
})();
// WebApp
(function () {
var Utils = window.Telegram.Utils;
var WebView = window.Telegram.WebView;
var initParams = WebView.initParams;
var isIframe = WebView.isIframe;
var WebApp = {};
var webAppInitData = '', webAppInitDataUnsafe = {};
var themeParams = {}, colorScheme = 'light';
var webAppVersion = '6.0';
var webAppPlatform = 'unknown';
if (initParams.tgWebAppData && initParams.tgWebAppData.length) {
webAppInitData = initParams.tgWebAppData;
webAppInitDataUnsafe = Utils.urlParseQueryString(webAppInitData);
for (var key in webAppInitDataUnsafe) {
var val = webAppInitDataUnsafe[key];
try {
if (val.substr(0, 1) == '{' && val.substr(-1) == '}' ||
val.substr(0, 1) == '[' && val.substr(-1) == ']') {
webAppInitDataUnsafe[key] = JSON.parse(val);
}
} catch (e) {}
}
}
if (initParams.tgWebAppThemeParams && initParams.tgWebAppThemeParams.length) {
var themeParamsRaw = initParams.tgWebAppThemeParams;
try {
var theme_params = JSON.parse(themeParamsRaw);
if (theme_params) {
setThemeParams(theme_params);
}
} catch (e) {}
}
var theme_params = Utils.sessionStorageGet('themeParams');
if (theme_params) {
setThemeParams(theme_params);
}
if (initParams.tgWebAppVersion) {
webAppVersion = initParams.tgWebAppVersion;
}
if (initParams.tgWebAppPlatform) {
webAppPlatform = initParams.tgWebAppPlatform;
}
function onThemeChanged(eventType, eventData) {
if (eventData.theme_params) {
setThemeParams(eventData.theme_params);
window.Telegram.WebApp.MainButton.setParams({});
window.Telegram.WebApp.SecondaryButton.setParams({});
updateHeaderColor();
updateBackgroundColor();
updateBottomBarColor();
receiveWebViewEvent('themeChanged');
}
}
var lastWindowHeight = window.innerHeight;
function onViewportChanged(eventType, eventData) {
if (eventData.height) {
window.removeEventListener('resize', onWindowResize);
setViewportHeight(eventData);
}
}
function onWindowResize(e) {
if (lastWindowHeight != window.innerHeight) {
lastWindowHeight = window.innerHeight;
receiveWebViewEvent('viewportChanged', {
isStateStable: true
});
}
}
function linkHandler(e) {
if (e.metaKey || e.ctrlKey) return;
var el = e.target;
while (el.tagName != 'A' && el.parentNode) {
el = el.parentNode;
}
if (el.tagName == 'A' &&
el.target != '_blank' &&
(el.protocol == 'http:' || el.protocol == 'https:') &&
el.hostname == 't.me') {
WebApp.openTgLink(el.href);
e.preventDefault();
}
}
function strTrim(str) {
return str.toString().replace(/^\s+|\s+$/g, '');
}
function receiveWebViewEvent(eventType) {
var args = Array.prototype.slice.call(arguments);
eventType = args.shift();
WebView.callEventCallbacks('webview:' + eventType, function(callback) {
callback.apply(WebApp, args);
});
}
function onWebViewEvent(eventType, callback) {
WebView.onEvent('webview:' + eventType, callback);
};
function offWebViewEvent(eventType, callback) {
WebView.offEvent('webview:' + eventType, callback);
};
function setCssProperty(name, value) {
var root = document.documentElement;
if (root && root.style && root.style.setProperty) {
root.style.setProperty('--tg-' + name, value);
}
}
function setThemeParams(theme_params) {
// temp iOS fix
if (theme_params.bg_color == '#1c1c1d' &&
theme_params.bg_color == theme_params.secondary_bg_color) {
theme_params.secondary_bg_color = '#2c2c2e';
}
var color;
for (var key in theme_params) {
if (color = parseColorToHex(theme_params[key])) {
themeParams[key] = color;
if (key == 'bg_color') {
colorScheme = isColorDark(color) ? 'dark' : 'light'
setCssProperty('color-scheme', colorScheme);
}
key = 'theme-' + key.split('_').join('-');
setCssProperty(key, color);
}
}
Utils.sessionStorageSet('themeParams', themeParams);
}
var webAppCallbacks = {};
function generateCallbackId(len) {
var tries = 100;
while (--tries) {
var id = '', chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', chars_len = chars.length;
for (var i = 0; i < len; i++) {
id += chars[Math.floor(Math.random() * chars_len)];
}
if (!webAppCallbacks[id]) {
webAppCallbacks[id] = {};
return id;
}
}
throw Error('WebAppCallbackIdGenerateFailed');
}
var viewportHeight = false, viewportStableHeight = false, isExpanded = true;
function setViewportHeight(data) {
if (typeof data !== 'undefined') {
isExpanded = !!data.is_expanded;
viewportHeight = data.height;
if (data.is_state_stable) {
viewportStableHeight = data.height;
}
receiveWebViewEvent('viewportChanged', {
isStateStable: !!data.is_state_stable
});
}
var height, stable_height;
if (viewportHeight !== false) {
height = (viewportHeight - bottomBarHeight) + 'px';
} else {
height = bottomBarHeight ? 'calc(100vh - ' + bottomBarHeight + 'px)' : '100vh';
}
if (viewportStableHeight !== false) {
stable_height = (viewportStableHeight - bottomBarHeight) + 'px';
} else {
stable_height = bottomBarHeight ? 'calc(100vh - ' + bottomBarHeight + 'px)' : '100vh';
}
setCssProperty('viewport-height', height);
setCssProperty('viewport-stable-height', stable_height);
}
var isClosingConfirmationEnabled = false;
function setClosingConfirmation(need_confirmation) {
if (!versionAtLeast('6.2')) {
console.warn('[Telegram.WebApp] Closing confirmation is not supported in version ' + webAppVersion);
return;
}
isClosingConfirmationEnabled = !!need_confirmation;
WebView.postEvent('web_app_setup_closing_behavior', false, {need_confirmation: isClosingConfirmationEnabled});
}
var isVerticalSwipesEnabled = true;
function toggleVerticalSwipes(enable_swipes) {
if (!versionAtLeast('7.7')) {
console.warn('[Telegram.WebApp] Changing swipes behavior is not supported in version ' + webAppVersion);
return;
}
isVerticalSwipesEnabled = !!enable_swipes;
WebView.postEvent('web_app_setup_swipe_behavior', false, {allow_vertical_swipe: isVerticalSwipesEnabled});
}
var headerColorKey = 'bg_color', headerColor = null;
function getHeaderColor() {
if (headerColorKey == 'secondary_bg_color') {
return themeParams.secondary_bg_color;
} else if (headerColorKey == 'bg_color') {
return themeParams.bg_color;
}
return headerColor;
}
function setHeaderColor(color) {
if (!versionAtLeast('6.1')) {
console.warn('[Telegram.WebApp] Header color is not supported in version ' + webAppVersion);
return;
}
if (!versionAtLeast('6.9')) {
if (themeParams.bg_color &&
themeParams.bg_color == color) {
color = 'bg_color';
} else if (themeParams.secondary_bg_color &&
themeParams.secondary_bg_color == color) {
color = 'secondary_bg_color';
}
}
var head_color = null, color_key = null;
if (color == 'bg_color' || color == 'secondary_bg_color') {
color_key = color;
} else if (versionAtLeast('6.9')) {
head_color = parseColorToHex(color);
if (!head_color) {
console.error('[Telegram.WebApp] Header color format is invalid', color);
throw Error('WebAppHeaderColorInvalid');
}
}
if (!versionAtLeast('6.9') &&
color_key != 'bg_color' &&
color_key != 'secondary_bg_color') {
console.error('[Telegram.WebApp] Header color key should be one of Telegram.WebApp.themeParams.bg_color, Telegram.WebApp.themeParams.secondary_bg_color, \'bg_color\', \'secondary_bg_color\'', color);
throw Error('WebAppHeaderColorKeyInvalid');
}
headerColorKey = color_key;
headerColor = head_color;
updateHeaderColor();
}
var appHeaderColorKey = null, appHeaderColor = null;
function updateHeaderColor() {
if (appHeaderColorKey != headerColorKey ||
appHeaderColor != headerColor) {
appHeaderColorKey = headerColorKey;
appHeaderColor = headerColor;
if (appHeaderColor) {
WebView.postEvent('web_app_set_header_color', false, {color: headerColor});
} else {
WebView.postEvent('web_app_set_header_color', false, {color_key: headerColorKey});
}
}
}
var backgroundColor = 'bg_color';
function getBackgroundColor() {
if (backgroundColor == 'secondary_bg_color') {
return themeParams.secondary_bg_color;
} else if (backgroundColor == 'bg_color') {
return themeParams.bg_color;
}
return backgroundColor;
}
function setBackgroundColor(color) {
if (!versionAtLeast('6.1')) {
console.warn('[Telegram.WebApp] Background color is not supported in version ' + webAppVersion);
return;
}
var bg_color;
if (color == 'bg_color' || color == 'secondary_bg_color') {
bg_color = color;
} else {
bg_color = parseColorToHex(color);
if (!bg_color) {
console.error('[Telegram.WebApp] Background color format is invalid', color);
throw Error('WebAppBackgroundColorInvalid');
}
}
backgroundColor = bg_color;
updateBackgroundColor();
}
var appBackgroundColor = null;
function updateBackgroundColor() {
var color = getBackgroundColor();
if (appBackgroundColor != color) {
appBackgroundColor = color;
WebView.postEvent('web_app_set_background_color', false, {color: color});
}
}
var bottomBarColor = 'bottom_bar_bg_color';
function getBottomBarColor() {
if (bottomBarColor == 'bottom_bar_bg_color') {
return themeParams.bottom_bar_bg_color || themeParams.secondary_bg_color || '#ffffff';
} else if (bottomBarColor == 'secondary_bg_color') {
return themeParams.secondary_bg_color;
} else if (bottomBarColor == 'bg_color') {
return themeParams.bg_color;
}
return bottomBarColor;
}
function setBottomBarColor(color) {
if (!versionAtLeast('7.10')) {
console.warn('[Telegram.WebApp] Bottom bar color is not supported in version ' + webAppVersion);
return;
}
var bg_color;
if (color == 'bg_color' || color == 'secondary_bg_color' || color == 'bottom_bar_bg_color') {
bg_color = color;
} else {
bg_color = parseColorToHex(color);
if (!bg_color) {
console.error('[Telegram.WebApp] Bottom bar color format is invalid', color);
throw Error('WebAppBottomBarColorInvalid');
}
}
bottomBarColor = bg_color;
updateBottomBarColor();
window.Telegram.WebApp.SecondaryButton.setParams({});
}
var appBottomBarColor = null;
function updateBottomBarColor() {
var color = getBottomBarColor();
if (appBottomBarColor != color) {
appBottomBarColor = color;
WebView.postEvent('web_app_set_bottom_bar_color', false, {color: color});
}
if (initParams.tgWebAppDebug) {
updateDebugBottomBar();
}
}
function parseColorToHex(color) {
color += '';
var match;
if (match = /^\s*#([0-9a-f]{6})\s*$/i.exec(color)) {
return '#' + match[1].toLowerCase();
}
else if (match = /^\s*#([0-9a-f])([0-9a-f])([0-9a-f])\s*$/i.exec(color)) {
return ('#' + match[1] + match[1] + match[2] + match[2] + match[3] + match[3]).toLowerCase();
}
else if (match = /^\s*rgba?\((\d+),\s*(\d+),\s*(\d+)(?:,\s*(\d+\.{0,1}\d*))?\)\s*$/.exec(color)) {
var r = parseInt(match[1]), g = parseInt(match[2]), b = parseInt(match[3]);
r = (r < 16 ? '0' : '') + r.toString(16);
g = (g < 16 ? '0' : '') + g.toString(16);
b = (b < 16 ? '0' : '') + b.toString(16);
return '#' + r + g + b;
}
return false;
}
function isColorDark(rgb) {
rgb = rgb.replace(/[\s#]/g, '');
if (rgb.length == 3) {
rgb = rgb[0] + rgb[0] + rgb[1] + rgb[1] + rgb[2] + rgb[2];
}
var r = parseInt(rgb.substr(0, 2), 16);
var g = parseInt(rgb.substr(2, 2), 16);
var b = parseInt(rgb.substr(4, 2), 16);
var hsp = Math.sqrt(0.299 * (r * r) + 0.587 * (g * g) + 0.114 * (b * b));
return hsp < 120;
}
function versionCompare(v1, v2) {
if (typeof v1 !== 'string') v1 = '';
if (typeof v2 !== 'string') v2 = '';
v1 = v1.replace(/^\s+|\s+$/g, '').split('.');
v2 = v2.replace(/^\s+|\s+$/g, '').split('.');
var a = Math.max(v1.length, v2.length), i, p1, p2;
for (i = 0; i < a; i++) {
p1 = parseInt(v1[i]) || 0;
p2 = parseInt(v2[i]) || 0;
if (p1 == p2) continue;
if (p1 > p2) return 1;
return -1;
}
return 0;
}
function versionAtLeast(ver) {
return versionCompare(webAppVersion, ver) >= 0;
}
function byteLength(str) {
if (window.Blob) {
try { return new Blob([str]).size; } catch (e) {}
}
var s = str.length;
for (var i=str.length-1; i>=0; i--) {
var code = str.charCodeAt(i);
if (code > 0x7f && code <= 0x7ff) s++;
else if (code > 0x7ff && code <= 0xffff) s+=2;
if (code >= 0xdc00 && code <= 0xdfff) i--;
}
return s;
}
var BackButton = (function() {
var isVisible = false;
var backButton = {};
Object.defineProperty(backButton, 'isVisible', {
set: function(val){ setParams({is_visible: val}); },
get: function(){ return isVisible; },
enumerable: true
});
var curButtonState = null;
WebView.onEvent('back_button_pressed', onBackButtonPressed);
function onBackButtonPressed() {
receiveWebViewEvent('backButtonClicked');
}
function buttonParams() {
return {is_visible: isVisible};
}
function buttonState(btn_params) {
if (typeof btn_params === 'undefined') {
btn_params = buttonParams();
}
return JSON.stringify(btn_params);
}
function buttonCheckVersion() {
if (!versionAtLeast('6.1')) {
console.warn('[Telegram.WebApp] BackButton is not supported in version ' + webAppVersion);
return false;
}
return true;
}
function updateButton() {
var btn_params = buttonParams();
var btn_state = buttonState(btn_params);
if (curButtonState === btn_state) {
return;
}
curButtonState = btn_state;
WebView.postEvent('web_app_setup_back_button', false, btn_params);
}
function setParams(params) {
if (!buttonCheckVersion()) {
return backButton;
}
if (typeof params.is_visible !== 'undefined') {
isVisible = !!params.is_visible;
}
updateButton();
return backButton;
}
backButton.onClick = function(callback) {
if (buttonCheckVersion()) {
onWebViewEvent('backButtonClicked', callback);
}
return backButton;
};
backButton.offClick = function(callback) {
if (buttonCheckVersion()) {
offWebViewEvent('backButtonClicked', callback);
}
return backButton;
};
backButton.show = function() {
return setParams({is_visible: true});
};
backButton.hide = function() {
return setParams({is_visible: false});
};
return backButton;
})();
var debugBottomBar = null, debugBottomBarBtns = {}, bottomBarHeight = 0;
if (initParams.tgWebAppDebug) {
debugBottomBar = document.createElement('tg-bottom-bar');
var debugBottomBarStyle = {
display: 'flex',
gap: '7px',
font: '600 14px/18px sans-serif',
width: '100%',
background: getBottomBarColor(),
position: 'fixed',
left: '0',
right: '0',
bottom: '0',
margin: '0',
padding: '7px',
textAlign: 'center',
boxSizing: 'border-box',
zIndex: '10000'
};
for (var k in debugBottomBarStyle) {
debugBottomBar.style[k] = debugBottomBarStyle[k];
}
document.addEventListener('DOMContentLoaded', function onDomLoaded(event) {
document.removeEventListener('DOMContentLoaded', onDomLoaded);
document.body.appendChild(debugBottomBar);
});
var animStyle = document.createElement('style');
animStyle.innerHTML = 'tg-bottom-button.shine { position: relative; overflow: hidden; } tg-bottom-button.shine:before { content:""; position: absolute; top: 0; width: 100%; height: 100%; background: linear-gradient(120deg, transparent, rgba(255, 255, 255, .2), transparent); animation: tg-bottom-button-shine 5s ease-in-out infinite; } @-webkit-keyframes tg-bottom-button-shine { 0% {left: -100%;} 12%,100% {left: 100%}} @keyframes tg-bottom-button-shine { 0% {left: -100%;} 12%,100% {left: 100%}}';
debugBottomBar.appendChild(animStyle);
}
function updateDebugBottomBar() {
var mainBtn = debugBottomBarBtns.main._bottomButton;
var secondaryBtn = debugBottomBarBtns.secondary._bottomButton;
if (mainBtn.isVisible || secondaryBtn.isVisible) {
debugBottomBar.style.display = 'flex';
bottomBarHeight = 58;
if (mainBtn.isVisible && secondaryBtn.isVisible) {
if (secondaryBtn.position == 'top') {
debugBottomBar.style.flexDirection = 'column-reverse';
bottomBarHeight += 51;
} else if (secondaryBtn.position == 'bottom') {
debugBottomBar.style.flexDirection = 'column';
bottomBarHeight += 51;
} else if (secondaryBtn.position == 'left') {
debugBottomBar.style.flexDirection = 'row-reverse';
} else if (secondaryBtn.position == 'right') {
debugBottomBar.style.flexDirection = 'row';
}
}
} else {
debugBottomBar.style.display = 'none';
bottomBarHeight = 0;
}
debugBottomBar.style.background = getBottomBarColor();
if (document.documentElement) {
document.documentElement.style.boxSizing = 'border-box';
document.documentElement.style.paddingBottom = bottomBarHeight + 'px';
}
setViewportHeight();
}
var BottomButtonConstructor = function(type) {
var isMainButton = (type == 'main');
if (isMainButton) {
var setupFnName = 'web_app_setup_main_button';
var tgEventName = 'main_button_pressed';
var webViewEventName = 'mainButtonClicked';
var buttonTextDefault = 'Continue';
var buttonColorDefault = function(){ return themeParams.button_color || '#2481cc'; };
var buttonTextColorDefault = function(){ return themeParams.button_text_color || '#ffffff'; };
} else {
var setupFnName = 'web_app_setup_secondary_button';
var tgEventName = 'secondary_button_pressed';
var webViewEventName = 'secondaryButtonClicked';
var buttonTextDefault = 'Cancel';
var buttonColorDefault = function(){ return getBottomBarColor(); };
var buttonTextColorDefault = function(){ return themeParams.button_color || '#2481cc'; };
}
var isVisible = false;
var isActive = true;
var hasShineEffect = false;
var isProgressVisible = false;
var buttonType = type;
var buttonText = buttonTextDefault;
var buttonColor = false;
var buttonTextColor = false;
var buttonPosition = 'left';
var bottomButton = {};
Object.defineProperty(bottomButton, 'type', {
get: function(){ return buttonType; },
enumerable: true
});
Object.defineProperty(bottomButton, 'text', {
set: function(val){ bottomButton.setParams({text: val}); },
get: function(){ return buttonText; },
enumerable: true
});
Object.defineProperty(bottomButton, 'color', {
set: function(val){ bottomButton.setParams({color: val}); },
get: function(){ return buttonColor || buttonColorDefault(); },
enumerable: true
});
Object.defineProperty(bottomButton, 'textColor', {
set: function(val){ bottomButton.setParams({text_color: val}); },
get: function(){ return buttonTextColor || buttonTextColorDefault(); },
enumerable: true
});
Object.defineProperty(bottomButton, 'isVisible', {
set: function(val){ bottomButton.setParams({is_visible: val}); },
get: function(){ return isVisible; },
enumerable: true
});
Object.defineProperty(bottomButton, 'isProgressVisible', {
get: function(){ return isProgressVisible; },
enumerable: true
});
Object.defineProperty(bottomButton, 'isActive', {
set: function(val){ bottomButton.setParams({is_active: val}); },
get: function(){ return isActive; },
enumerable: true
});
Object.defineProperty(bottomButton, 'hasShineEffect', {
set: function(val){ bottomButton.setParams({has_shine_effect: val}); },
get: function(){ return hasShineEffect; },
enumerable: true
});
if (!isMainButton) {
Object.defineProperty(bottomButton, 'position', {
set: function(val){ bottomButton.setParams({position: val}); },
get: function(){ return buttonPosition; },
enumerable: true
});
}
var curButtonState = null;
WebView.onEvent(tgEventName, onBottomButtonPressed);
var debugBtn = null;
if (initParams.tgWebAppDebug) {
debugBtn = document.createElement('tg-bottom-button');
var debugBtnStyle = {
display: 'none',
width: '100%',
height: '44px',
borderRadius: '0',
background: 'no-repeat right center',
padding: '13px 15px',
textAlign: 'center',
boxSizing: 'border-box'
};
for (var k in debugBtnStyle) {
debugBtn.style[k] = debugBtnStyle[k];
}
debugBottomBar.appendChild(debugBtn);
debugBtn.addEventListener('click', onBottomButtonPressed, false);
debugBtn._bottomButton = bottomButton;
debugBottomBarBtns[type] = debugBtn;
}
function onBottomButtonPressed() {
if (isActive) {
receiveWebViewEvent(webViewEventName);
}
}
function buttonParams() {
var color = bottomButton.color;
var text_color = bottomButton.textColor;
if (isVisible) {
var params = {
is_visible: true,
is_active: isActive,
is_progress_visible: isProgressVisible,
text: buttonText,
color: color,
text_color: text_color,
has_shine_effect: hasShineEffect && isActive && !isProgressVisible
};
if (!isMainButton) {
params.position = buttonPosition;
}
} else {
var params = {
is_visible: false
};
}
return params;
}
function buttonState(btn_params) {
if (typeof btn_params === 'undefined') {
btn_params = buttonParams();
}
return JSON.stringify(btn_params);
}
function updateButton() {
var btn_params = buttonParams();
var btn_state = buttonState(btn_params);
if (curButtonState === btn_state) {
return;
}
curButtonState = btn_state;
WebView.postEvent(setupFnName, false, btn_params);
if (initParams.tgWebAppDebug) {
updateDebugButton(btn_params);
}
}
function updateDebugButton(btn_params) {
if (btn_params.is_visible) {
debugBtn.style.display = 'block';
debugBtn.style.opacity = btn_params.is_active ? '1' : '0.8';
debugBtn.style.cursor = btn_params.is_active ? 'pointer' : 'auto';
debugBtn.disabled = !btn_params.is_active;
debugBtn.innerText = btn_params.text;
debugBtn.className = btn_params.has_shine_effect ? 'shine' : '';
debugBtn.style.backgroundImage = btn_params.is_progress_visible ? "url('data:image/svg+xml," + encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewport="0 0 48 48" width="48px" height="48px"><circle cx="50%" cy="50%" stroke="' + btn_params.text_color + '" stroke-width="2.25" stroke-linecap="round" fill="none" stroke-dashoffset="106" r="9" stroke-dasharray="56.52" rotate="-90"><animate attributeName="stroke-dashoffset" attributeType="XML" dur="360s" from="0" to="12500" repeatCount="indefinite"></animate><animateTransform attributeName="transform" attributeType="XML" type="rotate" dur="1s" from="-90 24 24" to="630 24 24" repeatCount="indefinite"></animateTransform></circle></svg>') + "')" : 'none';
debugBtn.style.backgroundColor = btn_params.color;
debugBtn.style.color = btn_params.text_color;
} else {
debugBtn.style.display = 'none';
}
updateDebugBottomBar();
}
function setParams(params) {
if (typeof params.text !== 'undefined') {
var text = strTrim(params.text);
if (!text.length) {
console.error('[Telegram.WebApp] Bottom button text is required', params.text);
throw Error('WebAppBottomButtonParamInvalid');
}
if (text.length > 64) {
console.error('[Telegram.WebApp] Bottom button text is too long', text);
throw Error('WebAppBottomButtonParamInvalid');
}
buttonText = text;
}
if (typeof params.color !== 'undefined') {
if (params.color === false ||
params.color === null) {
buttonColor = false;
} else {
var color = parseColorToHex(params.color);
if (!color) {
console.error('[Telegram.WebApp] Bottom button color format is invalid', params.color);
throw Error('WebAppBottomButtonParamInvalid');
}
buttonColor = color;
}
}
if (typeof params.text_color !== 'undefined') {
if (params.text_color === false ||
params.text_color === null) {
buttonTextColor = false;
} else {
var text_color = parseColorToHex(params.text_color);
if (!text_color) {
console.error('[Telegram.WebApp] Bottom button text color format is invalid', params.text_color);
throw Error('WebAppBottomButtonParamInvalid');
}
buttonTextColor = text_color;
}
}
if (typeof params.is_visible !== 'undefined') {
if (params.is_visible &&
!bottomButton.text.length) {
console.error('[Telegram.WebApp] Bottom button text is required');
throw Error('WebAppBottomButtonParamInvalid');
}
isVisible = !!params.is_visible;
}
if (typeof params.has_shine_effect !== 'undefined') {
hasShineEffect = !!params.has_shine_effect;
}
if (!isMainButton && typeof params.position !== 'undefined') {
if (params.position != 'left' && params.position != 'right' &&
params.position != 'top' && params.position != 'bottom') {
console.error('[Telegram.WebApp] Bottom button posiition is invalid', params.position);
throw Error('WebAppBottomButtonParamInvalid');
}
buttonPosition = params.position;
}
if (typeof params.is_active !== 'undefined') {
isActive = !!params.is_active;
}
updateButton();
return bottomButton;
}
bottomButton.setText = function(text) {
return bottomButton.setParams({text: text});
};
bottomButton.onClick = function(callback) {
onWebViewEvent(webViewEventName, callback);
return bottomButton;
};
bottomButton.offClick = function(callback) {
offWebViewEvent(webViewEventName, callback);
return bottomButton;
};
bottomButton.show = function() {
return bottomButton.setParams({is_visible: true});
};
bottomButton.hide = function() {
return bottomButton.setParams({is_visible: false});
};
bottomButton.enable = function() {
return bottomButton.setParams({is_active: true});
};
bottomButton.disable = function() {
return bottomButton.setParams({is_active: false});
};
bottomButton.showProgress = function(leaveActive) {
isActive = !!leaveActive;
isProgressVisible = true;
updateButton();
return bottomButton;
};
bottomButton.hideProgress = function() {
if (!bottomButton.isActive) {
isActive = true;
}
isProgressVisible = false;
updateButton();
return bottomButton;
}
bottomButton.setParams = setParams;
return bottomButton;
};
var MainButton = BottomButtonConstructor('main');
var SecondaryButton = BottomButtonConstructor('secondary');
var SettingsButton = (function() {
var isVisible = false;
var settingsButton = {};
Object.defineProperty(settingsButton, 'isVisible', {
set: function(val){ setParams({is_visible: val}); },
get: function(){ return isVisible; },
enumerable: true
});
var curButtonState = null;
WebView.onEvent('settings_button_pressed', onSettingsButtonPressed);
function onSettingsButtonPressed() {
receiveWebViewEvent('settingsButtonClicked');
}
function buttonParams() {
return {is_visible: isVisible};
}
function buttonState(btn_params) {
if (typeof btn_params === 'undefined') {
btn_params = buttonParams();
}
return JSON.stringify(btn_params);
}
function buttonCheckVersion() {
if (!versionAtLeast('6.10')) {
console.warn('[Telegram.WebApp] SettingsButton is not supported in version ' + webAppVersion);
return false;
}
return true;
}
function updateButton() {
var btn_params = buttonParams();
var btn_state = buttonState(btn_params);
if (curButtonState === btn_state) {
return;
}
curButtonState = btn_state;
WebView.postEvent('web_app_setup_settings_button', false, btn_params);
}
function setParams(params) {
if (!buttonCheckVersion()) {
return settingsButton;
}
if (typeof params.is_visible !== 'undefined') {
isVisible = !!params.is_visible;
}
updateButton();
return settingsButton;
}
settingsButton.onClick = function(callback) {
if (buttonCheckVersion()) {
onWebViewEvent('settingsButtonClicked', callback);
}
return settingsButton;
};
settingsButton.offClick = function(callback) {
if (buttonCheckVersion()) {
offWebViewEvent('settingsButtonClicked', callback);
}
return settingsButton;
};
settingsButton.show = function() {
return setParams({is_visible: true});
};
settingsButton.hide = function() {
return setParams({is_visible: false});
};
return settingsButton;
})();
var HapticFeedback = (function() {
var hapticFeedback = {};
function triggerFeedback(params) {
if (!versionAtLeast('6.1')) {
console.warn('[Telegram.WebApp] HapticFeedback is not supported in version ' + webAppVersion);
return hapticFeedback;
}
if (params.type == 'impact') {
if (params.impact_style != 'light' &&
params.impact_style != 'medium' &&
params.impact_style != 'heavy' &&
params.impact_style != 'rigid' &&
params.impact_style != 'soft') {
console.error('[Telegram.WebApp] Haptic impact style is invalid', params.impact_style);
throw Error('WebAppHapticImpactStyleInvalid');
}
} else if (params.type == 'notification') {
if (params.notification_type != 'error' &&
params.notification_type != 'success' &&
params.notification_type != 'warning') {
console.error('[Telegram.WebApp] Haptic notification type is invalid', params.notification_type);
throw Error('WebAppHapticNotificationTypeInvalid');
}
} else if (params.type == 'selection_change') {
// no params needed
} else {
console.error('[Telegram.WebApp] Haptic feedback type is invalid', params.type);
throw Error('WebAppHapticFeedbackTypeInvalid');
}
WebView.postEvent('web_app_trigger_haptic_feedback', false, params);
return hapticFeedback;
}
hapticFeedback.impactOccurred = function(style) {
return triggerFeedback({type: 'impact', impact_style: style});
};
hapticFeedback.notificationOccurred = function(type) {
return triggerFeedback({type: 'notification', notification_type: type});
};
hapticFeedback.selectionChanged = function() {
return triggerFeedback({type: 'selection_change'});
};
return hapticFeedback;
})();
var CloudStorage = (function() {
var cloudStorage = {};
function invokeStorageMethod(method, params, callback) {
if (!versionAtLeast('6.9')) {
console.error('[Telegram.WebApp] CloudStorage is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
invokeCustomMethod(method, params, callback);
return cloudStorage;
}
cloudStorage.setItem = function(key, value, callback) {
return invokeStorageMethod('saveStorageValue', {key: key, value: value}, callback);
};
cloudStorage.getItem = function(key, callback) {
return cloudStorage.getItems([key], callback ? function(err, res) {
if (err) callback(err);
else callback(null, res[key]);
} : null);
};
cloudStorage.getItems = function(keys, callback) {
return invokeStorageMethod('getStorageValues', {keys: keys}, callback);
};
cloudStorage.removeItem = function(key, callback) {
return cloudStorage.removeItems([key], callback);
};
cloudStorage.removeItems = function(keys, callback) {
return invokeStorageMethod('deleteStorageValues', {keys: keys}, callback);
};
cloudStorage.getKeys = function(callback) {
return invokeStorageMethod('getStorageKeys', {}, callback);
};
return cloudStorage;
})();
var BiometricManager = (function() {
var isInited = false;
var isBiometricAvailable = false;
var biometricType = 'unknown';
var isAccessRequested = false;
var isAccessGranted = false;
var isBiometricTokenSaved = false;
var deviceId = '';
var biometricManager = {};
Object.defineProperty(biometricManager, 'isInited', {
get: function(){ return isInited; },
enumerable: true
});
Object.defineProperty(biometricManager, 'isBiometricAvailable', {
get: function(){ return isInited && isBiometricAvailable; },
enumerable: true
});
Object.defineProperty(biometricManager, 'biometricType', {
get: function(){ return biometricType || 'unknown'; },
enumerable: true
});
Object.defineProperty(biometricManager, 'isAccessRequested', {
get: function(){ return isAccessRequested; },
enumerable: true
});
Object.defineProperty(biometricManager, 'isAccessGranted', {
get: function(){ return isAccessRequested && isAccessGranted; },
enumerable: true
});
Object.defineProperty(biometricManager, 'isBiometricTokenSaved', {
get: function(){ return isBiometricTokenSaved; },
enumerable: true
});
Object.defineProperty(biometricManager, 'deviceId', {
get: function(){ return deviceId || ''; },
enumerable: true
});
var initRequestState = {callbacks: []};
var accessRequestState = false;
var authRequestState = false;
var tokenRequestState = false;
WebView.onEvent('biometry_info_received', onBiometryInfoReceived);
WebView.onEvent('biometry_auth_requested', onBiometryAuthRequested);
WebView.onEvent('biometry_token_updated', onBiometryTokenUpdated);
function onBiometryInfoReceived(eventType, eventData) {
isInited = true;
if (eventData.available) {
isBiometricAvailable = true;
biometricType = eventData.type || 'unknown';
if (eventData.access_requested) {
isAccessRequested = true;
isAccessGranted = !!eventData.access_granted;
isBiometricTokenSaved = !!eventData.token_saved;
} else {
isAccessRequested = false;
isAccessGranted = false;
isBiometricTokenSaved = false;
}
} else {
isBiometricAvailable = false;
biometricType = 'unknown';
isAccessRequested = false;
isAccessGranted = false;
isBiometricTokenSaved = false;
}
deviceId = eventData.device_id || '';
if (initRequestState.callbacks.length > 0) {
for (var i = 0; i < initRequestState.callbacks.length; i++) {
var callback = initRequestState.callbacks[i];
callback();
}
}
if (accessRequestState) {
var state = accessRequestState;
accessRequestState = false;
if (state.callback) {
state.callback(isAccessGranted);
}
}
receiveWebViewEvent('biometricManagerUpdated');
}
function onBiometryAuthRequested(eventType, eventData) {
var isAuthenticated = (eventData.status == 'authorized'),
biometricToken = eventData.token || '';
if (authRequestState) {
var state = authRequestState;
authRequestState = false;
if (state.callback) {
state.callback(isAuthenticated, isAuthenticated ? biometricToken : null);
}
}
receiveWebViewEvent('biometricAuthRequested', isAuthenticated ? {
isAuthenticated: true,
biometricToken: biometricToken
} : {
isAuthenticated: false
});
}
function onBiometryTokenUpdated(eventType, eventData) {
var applied = false;
if (isBiometricAvailable &&
isAccessRequested) {
if (eventData.status == 'updated') {
isBiometricTokenSaved = true;
applied = true;
}
else if (eventData.status == 'removed') {
isBiometricTokenSaved = false;
applied = true;
}
}
if (tokenRequestState) {
var state = tokenRequestState;
tokenRequestState = false;
if (state.callback) {
state.callback(applied);
}
}
receiveWebViewEvent('biometricTokenUpdated', {
isUpdated: applied
});
}
function checkVersion() {
if (!versionAtLeast('7.2')) {
console.warn('[Telegram.WebApp] BiometricManager is not supported in version ' + webAppVersion);
return false;
}
return true;
}
function checkInit() {
if (!isInited) {
console.error('[Telegram.WebApp] BiometricManager should be inited before using.');
throw Error('WebAppBiometricManagerNotInited');
}
return true;
}
biometricManager.init = function(callback) {
if (!checkVersion()) {
return biometricManager;
}
if (isInited) {
return biometricManager;
}
if (callback) {
initRequestState.callbacks.push(callback);
}
WebView.postEvent('web_app_biometry_get_info', false);
return biometricManager;
};
biometricManager.requestAccess = function(params, callback) {
if (!checkVersion()) {
return biometricManager;
}
checkInit();
if (!isBiometricAvailable) {
console.error('[Telegram.WebApp] Biometrics is not available on this device.');
throw Error('WebAppBiometricManagerBiometricsNotAvailable');
}
if (accessRequestState) {
console.error('[Telegram.WebApp] Access is already requested');
throw Error('WebAppBiometricManagerAccessRequested');
}
var popup_params = {};
if (typeof params.reason !== 'undefined') {
var reason = strTrim(params.reason);
if (reason.length > 128) {
console.error('[Telegram.WebApp] Biometric reason is too long', reason);
throw Error('WebAppBiometricRequestAccessParamInvalid');
}
if (reason.length > 0) {
popup_params.reason = reason;
}
}
accessRequestState = {
callback: callback
};
WebView.postEvent('web_app_biometry_request_access', false, popup_params);
return biometricManager;
};
biometricManager.authenticate = function(params, callback) {
if (!checkVersion()) {
return biometricManager;
}
checkInit();
if (!isBiometricAvailable) {
console.error('[Telegram.WebApp] Biometrics is not available on this device.');
throw Error('WebAppBiometricManagerBiometricsNotAvailable');
}
if (!isAccessGranted) {
console.error('[Telegram.WebApp] Biometric access was not granted by the user.');
throw Error('WebAppBiometricManagerBiometricAccessNotGranted');
}
if (authRequestState) {
console.error('[Telegram.WebApp] Authentication request is already in progress.');
throw Error('WebAppBiometricManagerAuthenticationRequested');
}
var popup_params = {};
if (typeof params.reason !== 'undefined') {
var reason = strTrim(params.reason);
if (reason.length > 128) {
console.error('[Telegram.WebApp] Biometric reason is too long', reason);
throw Error('WebAppBiometricRequestAccessParamInvalid');
}
if (reason.length > 0) {
popup_params.reason = reason;
}
}
authRequestState = {
callback: callback
};
WebView.postEvent('web_app_biometry_request_auth', false, popup_params);
return biometricManager;
};
biometricManager.updateBiometricToken = function(token, callback) {
if (!checkVersion()) {
return biometricManager;
}
token = token || '';
if (token.length > 1024) {
console.error('[Telegram.WebApp] Token is too long', token);
throw Error('WebAppBiometricManagerTokenInvalid');
}
checkInit();
if (!isBiometricAvailable) {
console.error('[Telegram.WebApp] Biometrics is not available on this device.');
throw Error('WebAppBiometricManagerBiometricsNotAvailable');
}
if (!isAccessGranted) {
console.error('[Telegram.WebApp] Biometric access was not granted by the user.');
throw Error('WebAppBiometricManagerBiometricAccessNotGranted');
}
if (tokenRequestState) {
console.error('[Telegram.WebApp] Token request is already in progress.');
throw Error('WebAppBiometricManagerTokenUpdateRequested');
}
tokenRequestState = {
callback: callback
};
WebView.postEvent('web_app_biometry_update_token', false, {token: token});
return biometricManager;
};
biometricManager.openSettings = function() {
if (!checkVersion()) {
return biometricManager;
}
checkInit();
if (!isBiometricAvailable) {
console.error('[Telegram.WebApp] Biometrics is not available on this device.');
throw Error('WebAppBiometricManagerBiometricsNotAvailable');
}
if (!isAccessRequested) {
console.error('[Telegram.WebApp] Biometric access was not requested yet.');
throw Error('WebAppBiometricManagerBiometricsAccessNotRequested');
}
if (isAccessGranted) {
console.warn('[Telegram.WebApp] Biometric access was granted by the user, no need to go to settings.');
return biometricManager;
}
WebView.postEvent('web_app_biometry_open_settings', false);
return biometricManager;
};
return biometricManager;
})();
var webAppInvoices = {};
function onInvoiceClosed(eventType, eventData) {
if (eventData.slug && webAppInvoices[eventData.slug]) {
var invoiceData = webAppInvoices[eventData.slug];
delete webAppInvoices[eventData.slug];
if (invoiceData.callback) {
invoiceData.callback(eventData.status);
}
receiveWebViewEvent('invoiceClosed', {
url: invoiceData.url,
status: eventData.status
});
}
}
var webAppPopupOpened = false;
function onPopupClosed(eventType, eventData) {
if (webAppPopupOpened) {
var popupData = webAppPopupOpened;
webAppPopupOpened = false;
var button_id = null;
if (typeof eventData.button_id !== 'undefined') {
button_id = eventData.button_id;
}
if (popupData.callback) {
popupData.callback(button_id);
}
receiveWebViewEvent('popupClosed', {
button_id: button_id
});
}
}
var webAppScanQrPopupOpened = false;
function onQrTextReceived(eventType, eventData) {
if (webAppScanQrPopupOpened) {
var popupData = webAppScanQrPopupOpened;
var data = null;
if (typeof eventData.data !== 'undefined') {
data = eventData.data;
}
if (popupData.callback) {
if (popupData.callback(data)) {
webAppScanQrPopupOpened = false;
WebView.postEvent('web_app_close_scan_qr_popup', false);
}
}
receiveWebViewEvent('qrTextReceived', {
data: data
});
}
}
function onScanQrPopupClosed(eventType, eventData) {
webAppScanQrPopupOpened = false;
receiveWebViewEvent('scanQrPopupClosed');
}
function onClipboardTextReceived(eventType, eventData) {
if (eventData.req_id && webAppCallbacks[eventData.req_id]) {
var requestData = webAppCallbacks[eventData.req_id];
delete webAppCallbacks[eventData.req_id];
var data = null;
if (typeof eventData.data !== 'undefined') {
data = eventData.data;
}
if (requestData.callback) {
requestData.callback(data);
}
receiveWebViewEvent('clipboardTextReceived', {
data: data
});
}
}
var WebAppWriteAccessRequested = false;
function onWriteAccessRequested(eventType, eventData) {
if (WebAppWriteAccessRequested) {
var requestData = WebAppWriteAccessRequested;
WebAppWriteAccessRequested = false;
if (requestData.callback) {
requestData.callback(eventData.status == 'allowed');
}
receiveWebViewEvent('writeAccessRequested', {
status: eventData.status
});
}
}
function getRequestedContact(callback, timeout) {
var reqTo, fallbackTo, reqDelay = 0;
var reqInvoke = function() {
invokeCustomMethod('getRequestedContact', {}, function(err, res) {
if (res && res.length) {
clearTimeout(fallbackTo);
callback(res);
} else {
reqDelay += 50;
reqTo = setTimeout(reqInvoke, reqDelay);
}
});
};
var fallbackInvoke = function() {
clearTimeout(reqTo);
callback('');
};
fallbackTo = setTimeout(fallbackInvoke, timeout);
reqInvoke();
}
var WebAppContactRequested = false;
function onPhoneRequested(eventType, eventData) {
if (WebAppContactRequested) {
var requestData = WebAppContactRequested;
WebAppContactRequested = false;
var requestSent = eventData.status == 'sent';
var webViewEvent = {
status: eventData.status
};
if (requestSent) {
getRequestedContact(function(res) {
if (res && res.length) {
webViewEvent.response = res;
webViewEvent.responseUnsafe = Utils.urlParseQueryString(res);
for (var key in webViewEvent.responseUnsafe) {
var val = webViewEvent.responseUnsafe[key];
try {
if (val.substr(0, 1) == '{' && val.substr(-1) == '}' ||
val.substr(0, 1) == '[' && val.substr(-1) == ']') {
webViewEvent.responseUnsafe[key] = JSON.parse(val);
}
} catch (e) {}
}
}
if (requestData.callback) {
requestData.callback(requestSent, webViewEvent);
}
receiveWebViewEvent('contactRequested', webViewEvent);
}, 3000);
} else {
if (requestData.callback) {
requestData.callback(requestSent, webViewEvent);
}
receiveWebViewEvent('contactRequested', webViewEvent);
}
}
}
function onCustomMethodInvoked(eventType, eventData) {
if (eventData.req_id && webAppCallbacks[eventData.req_id]) {
var requestData = webAppCallbacks[eventData.req_id];
delete webAppCallbacks[eventData.req_id];
var res = null, err = null;
if (typeof eventData.result !== 'undefined') {
res = eventData.result;
}
if (typeof eventData.error !== 'undefined') {
err = eventData.error;
}
if (requestData.callback) {
requestData.callback(err, res);
}
}
}
function invokeCustomMethod(method, params, callback) {
if (!versionAtLeast('6.9')) {
console.error('[Telegram.WebApp] Method invokeCustomMethod is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
var req_id = generateCallbackId(16);
var req_params = {req_id: req_id, method: method, params: params || {}};
webAppCallbacks[req_id] = {
callback: callback
};
WebView.postEvent('web_app_invoke_custom_method', false, req_params);
};
if (!window.Telegram) {
window.Telegram = {};
}
Object.defineProperty(WebApp, 'initData', {
get: function(){ return webAppInitData; },
enumerable: true
});
Object.defineProperty(WebApp, 'initDataUnsafe', {
get: function(){ return webAppInitDataUnsafe; },
enumerable: true
});
Object.defineProperty(WebApp, 'version', {
get: function(){ return webAppVersion; },
enumerable: true
});
Object.defineProperty(WebApp, 'platform', {
get: function(){ return webAppPlatform; },
enumerable: true
});
Object.defineProperty(WebApp, 'colorScheme', {
get: function(){ return colorScheme; },
enumerable: true
});
Object.defineProperty(WebApp, 'themeParams', {
get: function(){ return themeParams; },
enumerable: true
});
Object.defineProperty(WebApp, 'isExpanded', {
get: function(){ return isExpanded; },
enumerable: true
});
Object.defineProperty(WebApp, 'viewportHeight', {
get: function(){ return (viewportHeight === false ? window.innerHeight : viewportHeight) - bottomBarHeight; },
enumerable: true
});
Object.defineProperty(WebApp, 'viewportStableHeight', {
get: function(){ return (viewportStableHeight === false ? window.innerHeight : viewportStableHeight) - bottomBarHeight; },
enumerable: true
});
Object.defineProperty(WebApp, 'isClosingConfirmationEnabled', {
set: function(val){ setClosingConfirmation(val); },
get: function(){ return isClosingConfirmationEnabled; },
enumerable: true
});
Object.defineProperty(WebApp, 'isVerticalSwipesEnabled', {
set: function(val){ toggleVerticalSwipes(val); },
get: function(){ return isVerticalSwipesEnabled; },
enumerable: true
});
Object.defineProperty(WebApp, 'headerColor', {
set: function(val){ setHeaderColor(val); },
get: function(){ return getHeaderColor(); },
enumerable: true
});
Object.defineProperty(WebApp, 'backgroundColor', {
set: function(val){ setBackgroundColor(val); },
get: function(){ return getBackgroundColor(); },
enumerable: true
});
Object.defineProperty(WebApp, 'bottomBarColor', {
set: function(val){ setBottomBarColor(val); },
get: function(){ return getBottomBarColor(); },
enumerable: true
});
Object.defineProperty(WebApp, 'BackButton', {
value: BackButton,
enumerable: true
});
Object.defineProperty(WebApp, 'MainButton', {
value: MainButton,
enumerable: true
});
Object.defineProperty(WebApp, 'SecondaryButton', {
value: SecondaryButton,
enumerable: true
});
Object.defineProperty(WebApp, 'SettingsButton', {
value: SettingsButton,
enumerable: true
});
Object.defineProperty(WebApp, 'HapticFeedback', {
value: HapticFeedback,
enumerable: true
});
Object.defineProperty(WebApp, 'CloudStorage', {
value: CloudStorage,
enumerable: true
});
Object.defineProperty(WebApp, 'BiometricManager', {
value: BiometricManager,
enumerable: true
});
WebApp.setHeaderColor = function(color_key) {
WebApp.headerColor = color_key;
};
WebApp.setBackgroundColor = function(color) {
WebApp.backgroundColor = color;
};
WebApp.setBottomBarColor = function(color) {
WebApp.bottomBarColor = color;
};
WebApp.enableClosingConfirmation = function() {
WebApp.isClosingConfirmationEnabled = true;
};
WebApp.disableClosingConfirmation = function() {
WebApp.isClosingConfirmationEnabled = false;
};
WebApp.enableVerticalSwipes = function() {
WebApp.isVerticalSwipesEnabled = true;
};
WebApp.disableVerticalSwipes = function() {
WebApp.isVerticalSwipesEnabled = false;
};
WebApp.isVersionAtLeast = function(ver) {
return versionAtLeast(ver);
};
WebApp.onEvent = function(eventType, callback) {
onWebViewEvent(eventType, callback);
};
WebApp.offEvent = function(eventType, callback) {offWebViewEvent(eventType, callback);
};
WebApp.sendData = function (data) {
if (!data || !data.length) {
console.error('[Telegram.WebApp] Data is required', data);
throw Error('WebAppDataInvalid');
}
if (byteLength(data) > 4096) {
console.error('[Telegram.WebApp] Data is too long', data);
throw Error('WebAppDataInvalid');
}
WebView.postEvent('web_app_data_send', false, {data: data});
};
WebApp.switchInlineQuery = function (query, choose_chat_types) {
if (!versionAtLeast('6.6')) {
console.error('[Telegram.WebApp] Method switchInlineQuery is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
if (!initParams.tgWebAppBotInline) {
console.error('[Telegram.WebApp] Inline mode is disabled for this bot. Read more about inline mode: https://core.telegram.org/bots/inline');
throw Error('WebAppInlineModeDisabled');
}
query = query || '';
if (query.length > 256) {
console.error('[Telegram.WebApp] Inline query is too long', query);
throw Error('WebAppInlineQueryInvalid');
}
var chat_types = [];
if (choose_chat_types) {
if (!Array.isArray(choose_chat_types)) {
console.error('[Telegram.WebApp] Choose chat types should be an array', choose_chat_types);
throw Error('WebAppInlineChooseChatTypesInvalid');
}
var good_types = {users: 1, bots: 1, groups: 1, channels: 1};
for (var i = 0; i < choose_chat_types.length; i++) {
var chat_type = choose_chat_types[i];
if (!good_types[chat_type]) {
console.error('[Telegram.WebApp] Choose chat type is invalid', chat_type);
throw Error('WebAppInlineChooseChatTypeInvalid');
}
if (good_types[chat_type] != 2) {
good_types[chat_type] = 2;
chat_types.push(chat_type);
}
}
}
WebView.postEvent('web_app_switch_inline_query', false, {query: query, chat_types: chat_types});
};
WebApp.openLink = function (url, options) {
var a = document.createElement('A');
a.href = url;
if (a.protocol != 'http:' &&
a.protocol != 'https:') {
console.error('[Telegram.WebApp] Url protocol is not supported', url);
throw Error('WebAppTgUrlInvalid');
}
var url = a.href;
options = options || {};
if (versionAtLeast('6.1')) {
var req_params = {url: url};
if (versionAtLeast('6.4') && options.try_instant_view) {
req_params.try_instant_view = true;
}
if (versionAtLeast('7.6') && options.try_browser) {
req_params.try_browser = options.try_browser;
}
WebView.postEvent('web_app_open_link', false, req_params);
} else {
window.open(url, '_blank');
}
};
WebApp.openTelegramLink = function (url) {
var a = document.createElement('A');
a.href = url;
if (a.protocol != 'http:' &&
a.protocol != 'https:') {
console.error('[Telegram.WebApp] Url protocol is not supported', url);
throw Error('WebAppTgUrlInvalid');
}
if (a.hostname != 't.me') {
console.error('[Telegram.WebApp] Url host is not supported', url);
throw Error('WebAppTgUrlInvalid');
}
var path_full = a.pathname + a.search;
if (isIframe || versionAtLeast('6.1')) {
WebView.postEvent('web_app_open_tg_link', false, {path_full: path_full});
} else {
location.href = 'https://t.me' + path_full;
}
};
WebApp.openInvoice = function (url, callback) {
var a = document.createElement('A'), match, slug;
a.href = url;
if (a.protocol != 'http:' &&
a.protocol != 'https:' ||
a.hostname != 't.me' ||
!(match = a.pathname.match(/^\/(\$|invoice\/)([A-Za-z0-9\-_=]+)$/)) ||
!(slug = match[2])) {
console.error('[Telegram.WebApp] Invoice url is invalid', url);
throw Error('WebAppInvoiceUrlInvalid');
}
if (!versionAtLeast('6.1')) {
console.error('[Telegram.WebApp] Method openInvoice is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
if (webAppInvoices[slug]) {
console.error('[Telegram.WebApp] Invoice is already opened');
throw Error('WebAppInvoiceOpened');
}
webAppInvoices[slug] = {
url: url,
callback: callback
};
WebView.postEvent('web_app_open_invoice', false, {slug: slug});
};
WebApp.showPopup = function (params, callback) {
if (!versionAtLeast('6.2')) {
console.error('[Telegram.WebApp] Method showPopup is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
if (webAppPopupOpened) {
console.error('[Telegram.WebApp] Popup is already opened');
throw Error('WebAppPopupOpened');
}
var title = '';
var message = '';
var buttons = [];
var popup_buttons = {};
var popup_params = {};
if (typeof params.title !== 'undefined') {
title = strTrim(params.title);
if (title.length > 64) {
console.error('[Telegram.WebApp] Popup title is too long', title);
throw Error('WebAppPopupParamInvalid');
}
if (title.length > 0) {
popup_params.title = title;
}
}
if (typeof params.message !== 'undefined') {
message = strTrim(params.message);
}
if (!message.length) {
console.error('[Telegram.WebApp] Popup message is required', params.message);
throw Error('WebAppPopupParamInvalid');
}
if (message.length > 256) {
console.error('[Telegram.WebApp] Popup message is too long', message);
throw Error('WebAppPopupParamInvalid');
}
popup_params.message = message;
if (typeof params.buttons !== 'undefined') {
if (!Array.isArray(params.buttons)) {
console.error('[Telegram.WebApp] Popup buttons should be an array', params.buttons);
throw Error('WebAppPopupParamInvalid');
}
for (var i = 0; i < params.buttons.length; i++) {
var button = params.buttons[i];
var btn = {};
var id = '';
if (typeof button.id !== 'undefined') {
id = button.id.toString();
if (id.length > 64) {
console.error('[Telegram.WebApp] Popup button id is too long', id);
throw Error('WebAppPopupParamInvalid');
}
}
btn.id = id;
var button_type = button.type;
if (typeof button_type === 'undefined') {
button_type = 'default';
}
btn.type = button_type;
if (button_type == 'ok' ||
button_type == 'close' ||
button_type == 'cancel') {
// no params needed
} else if (button_type == 'default' ||
button_type == 'destructive') {
var text = '';
if (typeof button.text !== 'undefined') {
text = strTrim(button.text);
}
if (!text.length) {
console.error('[Telegram.WebApp] Popup button text is required for type ' + button_type, button.text);
throw Error('WebAppPopupParamInvalid');
}
if (text.length > 64) {
console.error('[Telegram.WebApp] Popup button text is too long', text);
throw Error('WebAppPopupParamInvalid');
}
btn.text = text;
} else {
console.error('[Telegram.WebApp] Popup button type is invalid', button_type);
throw Error('WebAppPopupParamInvalid');
}
buttons.push(btn);
}
} else {
buttons.push({id: '', type: 'close'});
}
if (buttons.length < 1) {
console.error('[Telegram.WebApp] Popup should have at least one button');
throw Error('WebAppPopupParamInvalid');
}
if (buttons.length > 3) {
console.error('[Telegram.WebApp] Popup should not have more than 3 buttons');
throw Error('WebAppPopupParamInvalid');
}
popup_params.buttons = buttons;
webAppPopupOpened = {
callback: callback
};
WebView.postEvent('web_app_open_popup', false, popup_params);
};
WebApp.showAlert = function (message, callback) {
WebApp.showPopup({
message: message
}, callback ? function(){ callback(); } : null);
};
WebApp.showConfirm = function (message, callback) {
WebApp.showPopup({
message: message,
buttons: [
{type: 'ok', id: 'ok'},
{type: 'cancel'}
]
}, callback ? function (button_id) {
callback(button_id == 'ok');
} : null);
};
WebApp.showScanQrPopup = function (params, callback) {
if (!versionAtLeast('6.4')) {
console.error('[Telegram.WebApp] Method showScanQrPopup is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
if (webAppScanQrPopupOpened) {
console.error('[Telegram.WebApp] Popup is already opened');
throw Error('WebAppScanQrPopupOpened');
}
var text = '';
var popup_params = {};
if (typeof params.text !== 'undefined') {
text = strTrim(params.text);
if (text.length > 64) {
console.error('[Telegram.WebApp] Scan QR popup text is too long', text);
throw Error('WebAppScanQrPopupParamInvalid');
}
if (text.length > 0) {
popup_params.text = text;
}
}
webAppScanQrPopupOpened = {
callback: callback
};
WebView.postEvent('web_app_open_scan_qr_popup', false, popup_params);
};
WebApp.closeScanQrPopup = function () {
if (!versionAtLeast('6.4')) {
console.error('[Telegram.WebApp] Method closeScanQrPopup is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
webAppScanQrPopupOpened = false;
WebView.postEvent('web_app_close_scan_qr_popup', false);
};
WebApp.readTextFromClipboard = function (callback) {
if (!versionAtLeast('6.4')) {
console.error('[Telegram.WebApp] Method readTextFromClipboard is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
var req_id = generateCallbackId(16);
var req_params = {req_id: req_id};
webAppCallbacks[req_id] = {
callback: callback
};
WebView.postEvent('web_app_read_text_from_clipboard', false, req_params);
};
WebApp.requestWriteAccess = function (callback) {
if (!versionAtLeast('6.9')) {
console.error('[Telegram.WebApp] Method requestWriteAccess is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
if (WebAppWriteAccessRequested) {
console.error('[Telegram.WebApp] Write access is already requested');
throw Error('WebAppWriteAccessRequested');
}
WebAppWriteAccessRequested = {
callback: callback
};
WebView.postEvent('web_app_request_write_access');
};
WebApp.requestContact = function (callback) {
if (!versionAtLeast('6.9')) {
console.error('[Telegram.WebApp] Method requestContact is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
if (WebAppContactRequested) {
console.error('[Telegram.WebApp] Contact is already requested');
throw Error('WebAppContactRequested');
}
WebAppContactRequested = {
callback: callback
};
WebView.postEvent('web_app_request_phone');
};
WebApp.shareToStory = function (media_url, params) {
params = params || {};
if (!versionAtLeast('7.8')) {
console.error('[Telegram.WebApp] Method shareToStory is not supported in version ' + webAppVersion);
throw Error('WebAppMethodUnsupported');
}
var a = document.createElement('A');
a.href = media_url;
if (a.protocol != 'http:' &&
a.protocol != 'https:') {
console.error('[Telegram.WebApp] Media url protocol is not supported', url);
throw Error('WebAppMediaUrlInvalid');
}
var share_params = {};
share_params.media_url = a.href;
if (typeof params.text !== 'undefined') {
var text = strTrim(params.text);
if (text.length > 2048) {
console.error('[Telegram.WebApp] Text is too long', text);
throw Error('WebAppShareToStoryParamInvalid');
}
if (text.length > 0) {
share_params.text = text;
}
}
if (typeof params.widget_link !== 'undefined') {
params.widget_link = params.widget_link || {};
a.href = params.widget_link.url;
if (a.protocol != 'http:' &&
a.protocol != 'https:') {
console.error('[Telegram.WebApp] Link protocol is not supported', url);
throw Error('WebAppShareToStoryParamInvalid');
}
var widget_link = {
url: a.href
};
if (typeof params.widget_link.name !== 'undefined') {
var link_name = strTrim(params.widget_link.name);
if (link_name.length > 48) {
console.error('[Telegram.WebApp] Link name is too long', link_name);
throw Error('WebAppShareToStoryParamInvalid');
}
if (link_name.length > 0) {
widget_link.name = link_name;
}
}
share_params.widget_link = widget_link;
}
WebView.postEvent('web_app_share_to_story', false, share_params);
};
WebApp.invokeCustomMethod = function (method, params, callback) {
invokeCustomMethod(method, params, callback);
};
WebApp.ready = function () {
WebView.postEvent('web_app_ready');
};
WebApp.expand = function () {
WebView.postEvent('web_app_expand');
};
WebApp.close = function (options) {
options = options || {};
var req_params = {};
if (versionAtLeast('7.6') && options.return_back) {
req_params.return_back = true;
}
WebView.postEvent('web_app_close', false, req_params);
};
window.Telegram.WebApp = WebApp;
updateHeaderColor();
updateBackgroundColor();
updateBottomBarColor();
setViewportHeight();
if (initParams.tgWebAppShowSettings) {
SettingsButton.show();
}
window.addEventListener('resize', onWindowResize);
if (isIframe) {
document.addEventListener('click', linkHandler);
}
WebView.onEvent('theme_changed', onThemeChanged);
WebView.onEvent('viewport_changed', onViewportChanged);
WebView.onEvent('invoice_closed', onInvoiceClosed);
WebView.onEvent('popup_closed', onPopupClosed);
WebView.onEvent('qr_text_received', onQrTextReceived);
WebView.onEvent('scan_qr_popup_closed', onScanQrPopupClosed);
WebView.onEvent('clipboard_text_received', onClipboardTextReceived);
WebView.onEvent('write_access_requested', onWriteAccessRequested);
WebView.onEvent('phone_requested', onPhoneRequested);
WebView.onEvent('custom_method_invoked', onCustomMethodInvoked);
WebView.postEvent('web_app_request_theme');
WebView.postEvent('web_app_request_viewport');
})();
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