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GUAC-932: Move history-related things into own module. Begin "types/" hierarchy convention for services providing constructors only.

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This commit is contained in:
Michael Jumper
2014-11-30 15:26:52 -08:00
parent 331644ddd9
commit 10171ff1ba
5 changed files with 84 additions and 28 deletions
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2
guacamole/src/main/webapp/app/home/homeModule.js
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@@ -20,4 +20,4 @@
* THE SOFTWARE.
*/
angular.module('home', ['connection', 'connectionGroup', 'user', 'permission']);
angular.module('home', ['connection', 'connectionGroup', 'history', 'user', 'permission']);

127
guacamole/src/main/webapp/app/home/services/guacHistory.js
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@@ -1,127 +0,0 @@
/*
* Copyright (C) 2014 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/**
* A service for creating Guacamole clients.
*/
angular.module('home').factory('guacHistory', [function guacHistory() {
var service = {};
// The parameter name for getting the history from local storage
var GUAC_HISTORY_STORAGE_KEY = "GUAC_HISTORY";
/**
* The number of entries to allow before removing old entries based on the
* cutoff.
*/
var IDEAL_LENGTH = 6;
/**
* A single entry in the connection history.
*
* @constructor
* @param {String} id The ID of the connection.
*
* @param {String} thumbnail
* The URL of the thumbnail to use to represent the connection.
*/
var HistoryEntry = function HistoryEntry(id, thumbnail) {
/**
* The ID of the connection associated with this history entry.
*/
this.id = id;
/**
* The thumbnail associated with the connection associated with this
* history entry.
*/
this.thumbnail = thumbnail;
};
/**
* The top few recent connections, sorted in order of most recent access.
*
* @type HistoryEntry[]
*/
service.recentConnections = [];
/**
* Updates the thumbnail and access time of the history entry for the
* connection with the given ID.
*
* @param {String} id
* The ID of the connection whose history entry should be updated.
*
* @param {String} thumbnail
* The URL of the thumbnail image to associate with the history entry.
*/
service.updateThumbnail = function(id, thumbnail) {
var i;
// Remove any existing entry for this connection
for (i=0; i < service.recentConnections.length; i++) {
if (service.recentConnections[i].id === id) {
service.recentConnections.splice(i, 1);
break;
}
}
// Store new entry in history
service.recentConnections.unshift(new HistoryEntry(
id,
thumbnail,
new Date().getTime()
));
// Truncate history to ideal length
if (service.recentConnections.length > IDEAL_LENGTH)
service.recentConnections.length = IDEAL_LENGTH;
// Save updated history, ignore inability to use localStorage
try {
if (localStorage)
localStorage.setItem(GUAC_HISTORY_STORAGE_KEY, JSON.stringify(service.recentConnections));
}
catch (ignore) {}
};
// Get stored connection history, ignore inability to use localStorage
try {
if (localStorage) {
var storedHistory = JSON.parse(localStorage.getItem(GUAC_HISTORY_STORAGE_KEY) || "[]");
if (storedHistory instanceof Array)
service.recentConnections = storedHistory;
}
}
catch (ignore) {}
return service;
}]);