KioskControl/Classroom.htm at master · meitinger/KioskControl · GitHub

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<!DOCTYPE html>
<html lang="en" ng-app="classroomApp" class="no-js" ng-controller="MainController">
<!--
    Copyright (C) 2015, Manuel Meitinger

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->
<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=11" />
    <title ng-bind-template="{{settings.title}}"></title>
    <script src="https://code.jquery.com/jquery-1.11.3.js" type="text/javascript"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.6/angular.js" type="text/javascript"></script>
    <script type="text/javascript">
    <!--
        'use strict';
        var viewers = {};
        angular.module('classroomApp', [])
            .constant('Resolutions', [
                { w: 16, h: 9 },
                { w: 8, h: 5 },
                { w: 5, h: 4 },
                { w: 4, h: 3 },
                { w: 1, h: 1 }
            ])
            .constant('ConnectionState', {
                Disconnected: 1,
                Connecting: 2,
                Establishing: 3,
                Connected: 4
            })
            .constant('DisconnectReasons', {
                '0': 'No information is available.',
                '1': 'Local disconnection.',
                '2': 'Remote disconnection by user.',
                '3': 'Remote disconnection by server.',
                '260': 'DNS name lookup failure.',
                '262': 'Out of memory.',
                '264': 'Connection timed out.',
                '516': 'Windows Sockets connect failed.',
                '518': 'Out of memory.',
                '520': 'Host not found error.',
                '772': 'Windows Sockets send call failed.',
                '774': 'Out of memory.',
                '776': 'Invalid IP address specified.',
                '1028': 'Windows Sockets recv call failed.',
                '1030': 'Invalid security data.',
                '1032': 'Internal error.',
                '1286': 'Invalid encryption method specified.',
                '1288': 'DNS lookup failed.',
                '1540': 'Windows Sockets gethostbyname call failed.',
                '1542': 'Invalid server security data.',
                '1544': 'Internal timer error.',
                '1796': 'Time-out occurred.',
                '1798': 'Failed to unpack server certificate.',
                '2052': 'Bad IP address specified.',
                '2056': 'License negotiation failed.',
                '2310': 'Internal security error.',
                '2308': 'Socket closed.',
                '2312': 'Licensing time-out.',
                '2566': 'Internal security error.',
                '2822': 'Encryption error.',
                '3078': 'Decryption error.',
                '3080': 'Decompression error.'
            })
            .controller('MainController', function ($scope, $window, $interval, Resolutions) {
                $scope.Resolutions = Resolutions;

                // create a clock
                $scope.currentTime = new Date();
                var clock = $interval(function () { $scope.currentTime = new Date(); }, 1000);
                $scope.$on('$destroy', function () {
                    $interval.cancel(clock);
                });

                // use jQuery to load the settings because $http fails on local files
                $scope.settings = null;
                var settingsUrl = $window.location.search ? $window.location.search.substring(1) : $window.location.pathname + ".json";
                $.getJSON(settingsUrl)
                    .done(function (data, textStatus, jqXHR) {
                        $scope.$apply(function () { $scope.settings = data });
                    })
                    .fail(function (jqXHR, textStatus, errorThrown) {
                        alert(settingsUrl + ': ' + errorThrown.message);
                    });
            })
            .controller('ViewerController', function ($scope, $document, $window, $element, $timeout, $log, $http, ConnectionState, DisconnectReasons) {
                $scope.ConnectionState = ConnectionState;

                // define the state variables
                $scope.state = ConnectionState.Disconnected;
                $scope.connection = null;
                $scope.lastConnect = new Date();
                $scope.lastError = null;
                $scope.hovered = false;
                $scope.isInfoShown = function () {
                    return $scope.hovered || $scope.state < ConnectionState.Establishing;
                };
                $scope.interact = function () {
                    $window.open($scope.computer + '/interact', '_blank', 'resizable=yes');
                }

                // initialize the viewer
                var viewer = $element.find('object')[0];
                viewer.SmartSizing = true;

                // helper to shutdown the connection and schedule a reconnect
                var endConnection = function (error) {
                    $scope.state = ConnectionState.Disconnected;
                    $scope.connection = null;
                    $scope.lastConnect = new Date();
                    $scope.lastError = error;
                    try { viewer.Disconnect(); }
                    catch (e) { }
                    $timeout(connect, $scope.settings.reconnect * 1000);
                }

                // connection helper
                var connect = function () {
                    // only reconnect if disconnected
                    if ($scope.state != ConnectionState.Disconnected)
                        return;

                    // set the state, clear the last error and get the connection data
                    $scope.state = ConnectionState.Connecting;
                    $scope.lastError = null;
                    $http.get($scope.computer + '/connect', { withCredentials: true })
                        .then(function (response) {
                            // make sure we are still connecting
                            if ($scope.state != ConnectionState.Connecting)
                                return;

                            // set the new state and connection data
                            $scope.state = ConnectionState.Establishing;
                            $scope.connection = response.data;

                            // wait for the object to be shown and apparently some race condition
                            $timeout(function () {
                                // make sure we're still establishing the same connection before calling connect
                                if ($scope.state != ConnectionState.Establishing || $scope.connection != response.data)
                                    return;
                                try { viewer.Connect(response.data.ConnectionString, response.data.AttendeeName, ''); }
                                catch (e) {
                                    endConnection(e.message);
                                }
                            }, 500);
                        }, function (response) {
                            // make sure we are still connecting before ending this attempt
                            if ($scope.state != ConnectionState.Connecting)
                                return;
                            endConnection(response.statusText ? response.statusText : 'Connect error.');
                        });
                };

                // request view control when the connection is established
                viewers['connectionEstablished' + $scope.$index] = function () {
                    $scope.$apply(function () {
                        if ($scope.state != ConnectionState.Establishing)
                            throw new Error('OnConnectionEstablished in state ' + $scope.state);
                        $scope.state = ConnectionState.Connected;
                    }, false);
                };

                // reset the state and try again if the connection failed
                viewers['connectionFailed' + $scope.$index] = function () {
                    $scope.$apply(function () {
                        if ($scope.state != ConnectionState.Establishing)
                            throw new Error('OnConnectionFailed in state ' + $scope.state);
                        endConnection('Connection failed.');
                    });
                };
                viewers['connectionTerminated' + $scope.$index] = function (disconnectReason, extendedInfo) {
                    $scope.$apply(function () {
                        if ($scope.state != ConnectionState.Connected)
                            throw new Error('OnConnectionTerminated in state ' + $scope.state);
                        endConnection(DisconnectReasons[disconnectReason]);
                    });
                };

                // connect when ready
                $document.ready(connect);
            });
    -->
    </script>
</head>
<body style="padding: 0; margin: 0; font-family: Verdana, Geneva, sans-serif;">
    <div style="overflow: auto;" ng-show="settings">
        <input type="range" ng-model="settings.columns" min="1" max="10" style="width: 80%; padding: 0;" />
        <select ng-model="settings.ratio" ng-options="(res.h/res.w) as (res.w+':'+res.h) for res in Resolutions" style="width: 15%; padding: 0; float: right;">
        </select>
    </div>
    <div style="clear: both;">
        <div ng-controller="ViewerController" ng-mouseenter="hovered = true" ng-mouseleave="hovered = false" ng-repeat="computer in settings.computers" style="float: left;" ng-style="{'width':(100/settings.columns)+'%','height':((100/settings.columns)*settings.ratio)+'vw'}">
            <object id="computer{{$index}}" ng-hide="isInfoShown()" classid="clsid:32be5ed2-5c86-480f-a914-0ff8885a1b3f" width="100%" height="100%" style="margin: 0; padding: 0;"></object>
            <script type="text/javascript" for="computer{{$index}}" event="OnConnectionEstablished()" ng-bind-template="{{'viewers.connectionEstablished'+$index+'();'}}"></script>
            <script type="text/javascript" for="computer{{$index}}" event="OnConnectionFailed()" ng-bind-template="{{'viewers.connectionFailed'+$index+'();'}}"></script>
            <script type="text/javascript" for="computer{{$index}}" event="OnConnectionTerminated(disconnectReason, extendedInfo)" ng-bind-template="{{'viewers.connectionTerminated'+$index+'(disconnectReason,extendedInfo);'}}"></script>
            <script type="text/javascript" for="computer{{$index}}" event="OnConnectionAuthenticated()" ng-bind-template="{{'computer'+$index+'.RequestControl(2);'}}"></script>
            <div ng-show="isInfoShown()" style="width: 100%; height: 100%; text-align: center; color: #000; background: #ccc; border: 1px solid black; box-sizing: border-box;">
                <div style="position: relative; width: 100%; height: 20%; font-size: small; overflow: hidden;">
                    <span ng-show="state == ConnectionState.Disconnected">Disconnected. Retry in <b>{{settings.reconnect - ((currentTime - lastConnect) / 1000) | number: 0}}</b> seconds...</span>
                    <span ng-show="state == ConnectionState.Connecting">Retrieving connection data...</span>
                    <span ng-show="state == ConnectionState.Establishing">Establishing connection...</span>
                    <span ng-show="state == ConnectionState.Connected">Connected.</span>
                </div>
                <div style="position: relative; width: 100%; height: 60%; font-size: medium; overflow: hidden;">
                    <div style="position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);">
                        <span ng-hide="connection"><b>{{computer}}</b></span>
                        <span ng-show="connection"><b>{{connection.DomainName}}</b><br /><b>{{connection.UserName}}</b><br />@<br /><b>{{connection.MachineName}}</b></span>
                    </div>
                </div>
                <div style="position: relative; width: 100%; height: 20%; font-size: small; color: #900; overflow: hidden;">
                    <span ng-show="lastError">{{lastError}}</span>
                    <button ng-show="connection" ng-click="interact()">Interact</button>
                </div>
            </div>
        </div>
    </div>
</body>
</html>