114 lines
3.1 KiB
JavaScript
114 lines
3.1 KiB
JavaScript
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/*
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Copyright 2014 matrix.org
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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'use strict';
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/*
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* This service tracks user activity on the page to determine his presence state.
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* Any state change will be sent to the Home Server.
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*/
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angular.module('mPresence', [])
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.service('mPresence', ['$timeout', 'matrixService', function ($timeout, matrixService) {
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// Time in ms after that a user is considered as offline/away
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var OFFLINE_TIME = 5 * 60000; // 5 mins
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// The current presence state
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var state = undefined;
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var self =this;
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var timer;
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/**
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* Start listening the user activity to evaluate his presence state.
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* Any state change will be sent to the Home Server.
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*/
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this.start = function() {
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if (undefined === state) {
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// The user is online if he moves the mouser or press a key
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document.onmousemove = resetTimer;
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document.onkeypress = resetTimer;
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resetTimer();
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}
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};
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/**
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* Stop tracking user activity
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*/
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this.stop = function() {
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if (timer) {
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$timeout.cancel(timer);
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timer = undefined;
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}
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state = undefined;
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};
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/**
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* Get the current presence state.
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* @returns {matrixService.presence} the presence state
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*/
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this.getState = function() {
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return state;
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};
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/**
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* Set the presence state.
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* If the state has changed, the Home Server will be notified.
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* @param {matrixService.presence} newState the new presence state
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*/
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this.setState = function(newState) {
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if (newState !== state) {
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console.log("mPresence - New state: " + newState);
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state = newState;
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// Inform the HS on the new user state
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matrixService.setUserPresence(state).then(
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function() {
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},
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function(error) {
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console.log("mPresence - Failed to send new presence state: " + JSON.stringify(error));
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});
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}
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};
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/**
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* Callback called when the user made no action on the page for OFFLINE_TIME ms.
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* @private
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*/
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function onOfflineTimerFire() {
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self.setState(matrixService.presence.offline);
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}
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/**
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* Callback called when the user made an action on the page
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* @private
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*/
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function resetTimer() {
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// User is still here
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self.setState(matrixService.presence.online);
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// Re-arm the timer
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$timeout.cancel(timer);
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timer = $timeout(onOfflineTimerFire, OFFLINE_TIME);
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}
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}]);
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