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cryptpad/www/common/toolbar.js

378 lines
14 KiB
JavaScript

define([
'/customize/messages.js',
'/bower_components/jquery/dist/jquery.min.js',
'/bower_components/bootstrap/js/dropdown.js',
], function (Messages) {
var $ = window.jQuery;
var Bar = {
constants: {},
};
/** Id of the div containing the user list. */
var USER_LIST_CLS = Bar.constants.userlist = 'cryptpad-user-list';
/** Id of the div containing the lag info. */
var LAG_ELEM_CLS = Bar.constants.lag = 'cryptpad-lag';
/** The toolbar class which contains the user list, debug link and lag. */
var TOOLBAR_CLS = Bar.constants.toolbar = 'cryptpad-toolbar';
var LEFTSIDE_CLS = Bar.constants.leftside = 'cryptpad-toolbar-leftside';
var RIGHTSIDE_CLS = Bar.constants.rightside = 'cryptpad-toolbar-rightside';
var SPINNER_CLS = Bar.constants.spinner = 'cryptpad-spinner';
var STATE_CLS = Bar.constants.state = 'cryptpad-state';
var USERNAME_CLS = Bar.constants.username = 'cryptpad-toolbar-username';
var READONLY_CLS = Bar.constants.readonly = 'cryptpad-readonly';
var USERBUTTONS_CONTAINER_CLS = Bar.constants.userButtonsContainer = "cryptpad-userbuttons-container";
var USERLIST_CLS = Bar.constants.userlist = "cryptpad-dropdown-users";
var EDITSHARE_CLS = Bar.constants.editShare = "cryptpad-dropdown-editShare";
var VIEWSHARE_CLS = Bar.constants.viewShare = "cryptpad-dropdown-viewShare";
var DROPDOWN_CONTAINER_CLS = Bar.constants.dropdownContainer = "cryptpad-dropdown-container";
var DROPDOWN_CLS = Bar.constants.dropdown = "cryptpad-dropdown";
/** Key in the localStore which indicates realtime activity should be disallowed. */
// TODO remove? will never be used in cryptpad
var LOCALSTORAGE_DISALLOW = Bar.constants.localstorageDisallow = 'cryptpad-disallow';
var SPINNER_DISAPPEAR_TIME = 3000;
var SPINNER = [ '-', '\\', '|', '/' ];
var uid = function () {
return 'cryptpad-uid-' + String(Math.random()).substring(2);
};
var $style;
var firstConnection = true;
var styleToolbar = function ($container, href) {
href = href || '/customize/toolbar.css';
$.ajax({
url: href,
dataType: 'text',
success: function (data) {
$container.append($('<style>').text(data));
},
});
};
var createRealtimeToolbar = function ($container) {
var $toolbar = $('<div>', {
'class': TOOLBAR_CLS,
id: uid(),
})
.append($('<div>', {'class': LEFTSIDE_CLS}))
.append($('<div>', {'class': RIGHTSIDE_CLS}));
$container.prepend($toolbar);
styleToolbar($container);
return $toolbar;
};
var createSpinner = function ($container) {
var $spinner = $('<div>', {
id: uid(),
'class': SPINNER_CLS,
});
$container.append($spinner);
return $spinner[0];
};
var kickSpinner = function (spinnerElement, reversed) {
var txt = spinnerElement.textContent || '-';
var inc = (reversed) ? -1 : 1;
spinnerElement.textContent = SPINNER[(SPINNER.indexOf(txt) + inc) % SPINNER.length];
if (spinnerElement.timeout) { clearTimeout(spinnerElement.timeout); }
spinnerElement.timeout = setTimeout(function () {
spinnerElement.textContent = '';
}, SPINNER_DISAPPEAR_TIME);
};
var createUserButtons = function ($userlistElement, readOnly) {
var $listElement = $('<span>', {
id: 'userButtons',
'class': USERBUTTONS_CONTAINER_CLS
}).appendTo($userlistElement);
var $editIcon = $('<button>', {
'class': 'userlist dropbtn edit',
});
var $editIconSmall = $editIcon.clone().addClass('small');
var $viewIcon = $('<button>', {
'class': 'userlist dropbtn view',
});
var $viewIconSmall = $viewIcon.clone().addClass('small');
var $shareTitle = $('<h2>').text(Messages.share);
var $dropdownEditUsers = $('<p>', {'class': USERLIST_CLS});
var $dropdownEditShare = $('<p>', {'class': EDITSHARE_CLS});
if (readOnly !== 1) {
$dropdownEditShare.append($shareTitle);
}
var $dropdownEditContainer = $('<div>', {'class': DROPDOWN_CONTAINER_CLS});
var $dropdownEdit = $('<div>', {
id: "cryptpad-dropdown-edit",
'class': DROPDOWN_CLS
}).append($dropdownEditUsers).append($dropdownEditShare);
var $dropdownViewShare = $('<p>', {'class': VIEWSHARE_CLS}).append($shareTitle.clone());
var $dropdownViewContainer = $('<div>', {'class': DROPDOWN_CONTAINER_CLS});
var $dropdownView = $('<div>', {
id: "cryptpad-dropdown-view",
'class': DROPDOWN_CLS
}).append($dropdownViewShare);
var createHandler = function ($elmt) {
return function () {
if ($elmt.is(':visible')) {
$elmt.hide();
return;
}
$userlistElement.find('.' + DROPDOWN_CLS).hide();
$elmt.show();
};
};
$editIcon.click(createHandler($dropdownEdit));
$editIconSmall.click(createHandler($dropdownEdit));
$viewIcon.click(createHandler($dropdownView));
$viewIconSmall.click(createHandler($dropdownView));
$dropdownEditContainer.append($editIcon).append($editIconSmall).append($dropdownEdit);
$dropdownViewContainer.append($viewIcon).append($viewIconSmall).append($dropdownView);
$listElement.append($dropdownEditContainer);
if (readOnly !== -1) {
$listElement.append($dropdownViewContainer);
}
};
var createUserList = function ($container, readOnly) {
var $state = $('<span>', {'class': STATE_CLS}).text(Messages.synchronizing);
var $usernameElement = $('<span>', {'class': USERNAME_CLS});
var $userlist = $('<div>', {
'class': USER_LIST_CLS,
id: uid(),
}).append($state).append($usernameElement);
createUserButtons($userlist, readOnly);
$container.append($userlist);
return $userlist[0];
};
var getOtherUsers = function(myUserName, userList, userData) {
var i = 0;
var list = [];
userList.forEach(function(user) {
if(user !== myUserName) {
var data = (userData) ? (userData[user] || null) : null;
var userName = (data) ? data.name : null;
if(userName) {
list.push(userName);
}
}
});
return list;
};
var arrayIntersect = function(a, b) {
return $.grep(a, function(i) {
return $.inArray(i, b) > -1;
});
};
var getViewers = function (n) {
if (!n || !parseInt(n) || n === 0) { return ''; }
if (n === 1) { return '; + ' + Messages.oneViewer; }
return '; + ' + Messages._getKey('viewers', [n]);
};
var updateUserList = function (myUserName, userlistElement, userList, userData, readOnly, $stateElement) {
var meIdx = userList.indexOf(myUserName);
if (meIdx === -1) {
$stateElement.text(Messages.synchronizing);
return;
}
$stateElement.text('');
// Make sure the user block elements are displayed
var $userButtons = $(userlistElement).find("#userButtons");
$userButtons.show();
var $userElement = $(userlistElement).find('.' + USERNAME_CLS);
$userElement.show();
var numberOfUsers = userList.length;
// If we are using old pads (readonly unavailable), only editing users are in userList.
// With new pads, we also have readonly users in userList, so we have to intersect with
// the userData to have only the editing users. We can't use userData directly since it
// contains data about users that have already left the channel.
userList = readOnly === -1 ? userList : arrayIntersect(userList, Object.keys(userData));
var numberOfViewUsers = numberOfUsers - userList.length;
// Names of editing users
var editUsersNames = getOtherUsers(myUserName, userList, userData);
// Number of anonymous editing users
var anonymous = numberOfUsers - editUsersNames.length;
// Update the userlist
var editUsersList = '';
if (readOnly !== 1) {
editUsersNames.unshift('<span class="yourself">' + Messages.yourself + '</span>');
anonymous--;
}
if (anonymous > 0) {
var text = anonymous === 1 ? Messages.anonymousUser : Messages.anonymousUsers;
editUsersNames.push('<span class="anonymous">' + anonymous + ' ' + text + '</span>');
}
if (editUsersNames.length > 0) {
editUsersList += editUsersNames.join('<br>');
}
var $usersTitle = $('<h2>').text(Messages.users);
var $editUsers = $userButtons.find('.' + USERLIST_CLS);
$editUsers.html('').append($usersTitle).append(editUsersList);
// Update the buttons
var fa_caretdown = '<span class="fa fa-caret-down" style="font-family:FontAwesome;"></span>';
var fa_editusers = '<span class="fa fa-users" style="font-family:FontAwesome;"></span>';
var fa_viewusers = '<span class="fa fa-eye" style="font-family:FontAwesome;"></span>';
$userButtons.find('.userlist.edit').html(fa_editusers + ' ' + userList.length + ' ' + Messages.editing + ' ' + fa_caretdown);
$userButtons.find('.userlist.edit.small').html(fa_editusers + ' ' + userList.length + ' ' + fa_caretdown);
$userButtons.find('.userlist.view').html(fa_viewusers + ' ' + numberOfViewUsers + ' ' + Messages.viewing + ' ' + fa_caretdown);
$userButtons.find('.userlist.view.small').html(fa_viewusers + ' ' + numberOfViewUsers + ' ' + fa_caretdown);
if (readOnly === 1) {
// TODO
$userElement.html('<span class="' + READONLY_CLS + '">' + Messages.readonly + '</span>');
}
else {
var name = userData[myUserName] && userData[myUserName].name;
var icon = '<span class="fa fa-user" style="font-family:FontAwesome;"></span>';
if (!name) {
name = Messages.anonymous;
}
$userElement.find("button").html(icon + ' ' + name);
}
};
var createLagElement = function ($container) {
var $lag = $('<div>', {
'class': LAG_ELEM_CLS,
id: uid(),
});
$container.before($lag);
return $lag[0];
};
var checkLag = function (getLag, lagElement) {
var lag;
if(typeof getLag === "function") {
lag = getLag();
}
var lagLight = $('<div>', {
'class': 'lag'
});
var title;
if(lag) {
firstConnection = false;
title = Messages.lag + ' : ' + lag + ' ms\n';
if (lag.waiting || lag > 1000) {
lagLight.addClass('lag-orange');
title += Messages.orangeLight;
} else {
lagLight.addClass('lag-green');
title += Messages.greenLight;
}
}
else if (!firstConnection){
lagLight.addClass('lag-red');
title = Messages.redLight;
}
lagLight.attr('title', title);
$(lagElement).html('');
$(lagElement).append(lagLight);
};
var create = Bar.create = function ($container, myUserName, realtime, getLag, userList, config) {
var readOnly = (typeof config.readOnly !== "undefined") ? (config.readOnly ? 1 : 0) : -1;
var toolbar = createRealtimeToolbar($container);
var userListElement = createUserList(toolbar.find('.' + LEFTSIDE_CLS), readOnly);
var spinner = createSpinner(toolbar.find('.' + RIGHTSIDE_CLS));
var lagElement = createLagElement(toolbar.find('.' + RIGHTSIDE_CLS));
var userData = config.userData;
// readOnly = 1 (readOnly enabled), 0 (disabled), -1 (old pad without readOnly mode)
var saveElement;
var loadElement;
var $stateElement = $(userListElement).find('.' + STATE_CLS);
var connected = false;
if (config.ifrw) {
var removeDropdowns = function (e) {
if ($(e.target).parents('.cryptpad-dropdown-container').length) {
return;
}
$container.find('.cryptpad-dropdown').hide();
};
$(config.ifrw).on('click',removeDropdowns);
if (config.ifrw.$('iframe').length) {
var innerIfrw = config.ifrw.$('iframe').each(function (i, el) {
$(el.contentWindow).on('click', removeDropdowns);
});
}
}
userList.onChange = function(newUserData) {
var users = userList.users;
if (users.indexOf(myUserName) !== -1) { connected = true; }
if (!connected) { return; }
if(newUserData) { // Someone has changed his name/color
userData = newUserData;
}
updateUserList(myUserName, userListElement, users, userData, readOnly, $stateElement);
};
var ks = function () {
if (connected) { kickSpinner(spinner, false); }
};
realtime.onPatch(ks);
// Try to filter out non-patch messages, doesn't have to be perfect this is just the spinner
realtime.onMessage(function (msg) { if (msg.indexOf(':[2,') > -1) { ks(); } });
checkLag(getLag, lagElement);
setInterval(function () {
if (!connected) { return; }
checkLag(getLag, lagElement);
}, 3000);
return {
failed: function () {
connected = false;
$stateElement.text(Messages.disconnected);
checkLag(undefined, lagElement);
},
reconnecting: function (userId) {
myUserName = userId;
connected = false;
$stateElement.text(Messages.reconnecting);
checkLag(getLag, lagElement);
},
connected: function () {
connected = true;
}
};
};
return Bar;
});