| 1 | /* ***** BEGIN LICENSE BLOCK ***** |
| 2 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| 3 | * |
| 4 | * The contents of this file are subject to the Mozilla Public License Version |
| 5 | * 1.1 (the "License"); you may not use this file except in compliance with |
| 6 | * the License. You may obtain a copy of the License at |
| 7 | * http://www.mozilla.org/MPL/ |
| 8 | * |
| 9 | * Software distributed under the License is distributed on an "AS IS" basis, |
| 10 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| 11 | * for the specific language governing rights and limitations under the |
| 12 | * License. |
| 13 | * |
| 14 | * The Original Code is Lantea mapping/tracking web app. |
| 15 | * |
| 16 | * The Initial Developer of the Original Code is |
| 17 | * Robert Kaiser <kairo@kairo.at>. |
| 18 | * Portions created by the Initial Developer are Copyright (C) 2011 |
| 19 | * the Initial Developer. All Rights Reserved. |
| 20 | * |
| 21 | * Contributor(s): |
| 22 | * Robert Kaiser <kairo@kairo.at> |
| 23 | * |
| 24 | * Alternatively, the contents of this file may be used under the terms of |
| 25 | * either the GNU General Public License Version 2 or later (the "GPL"), or |
| 26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead |
| 28 | * of those above. If you wish to allow use of your version of this file only |
| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to |
| 30 | * use your version of this file under the terms of the MPL, indicate your |
| 31 | * decision by deleting the provisions above and replace them with the notice |
| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete |
| 33 | * the provisions above, a recipient may use your version of this file under |
| 34 | * the terms of any one of the MPL, the GPL or the LGPL. |
| 35 | * |
| 36 | * ***** END LICENSE BLOCK ***** */ |
| 37 | |
| 38 | // Get the best-available indexedDB object. |
| 39 | var iDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.msIndexedDB; |
| 40 | var mainDB; |
| 41 | |
| 42 | window.onload = function() { |
| 43 | var mSel = document.getElementById("mapSelector"); |
| 44 | for (var mapStyle in gMapStyles) { |
| 45 | var opt = document.createElement("option"); |
| 46 | opt.value = mapStyle; |
| 47 | opt.text = gMapStyles[mapStyle].name; |
| 48 | mSel.add(opt, null); |
| 49 | } |
| 50 | |
| 51 | initDB(); |
| 52 | initMap(); |
| 53 | resizeAndDraw(); |
| 54 | startTracking(); |
| 55 | } |
| 56 | |
| 57 | window.onresize = function() { |
| 58 | resizeAndDraw(); |
| 59 | } |
| 60 | |
| 61 | function initDB() { |
| 62 | // Open DB. |
| 63 | var request = iDB.open("MainDB", 1); |
| 64 | request.onerror = function(event) { |
| 65 | // Errors can be handled here. Error codes explain in: |
| 66 | // https://developer.mozilla.org/en/IndexedDB/IDBDatabaseException#Constants |
| 67 | //document.getElementById("debug").textContent = |
| 68 | // "error opening mainDB: " + event.target.errorCode; |
| 69 | }; |
| 70 | request.onsuccess = function(event) { |
| 71 | //document.getElementById("debug").textContent = "mainDB opened."; |
| 72 | mainDB = request.result; |
| 73 | }; |
| 74 | request.onupgradeneeded = function(event) { |
| 75 | mainDB = request.result; |
| 76 | //document.getElementById("debug").textContent = "mainDB upgraded."; |
| 77 | // Create a "prefs" objectStore. |
| 78 | var prefsStore = mainDB.createObjectStore("prefs"); |
| 79 | // Create a "track" objectStore. |
| 80 | var trackStore = mainDB.createObjectStore("track", {autoIncrement: true}); |
| 81 | mainDB.onversionchange = function(event) { |
| 82 | mainDB.close(); |
| 83 | mainDB = undefined; |
| 84 | initDB(); |
| 85 | }; |
| 86 | }; |
| 87 | } |
| 88 | |
| 89 | function toggleTrackArea() { |
| 90 | var fs = document.getElementById("trackArea"); |
| 91 | if (fs.style.display != "block") { |
| 92 | fs.style.display = "block"; |
| 93 | } |
| 94 | else { |
| 95 | fs.style.display = "none"; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | function toggleSettings() { |
| 100 | var fs = document.getElementById("settingsArea"); |
| 101 | if (fs.style.display != "block") { |
| 102 | fs.style.display = "block"; |
| 103 | } |
| 104 | else { |
| 105 | fs.style.display = "none"; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | function makeISOString(aTimestamp) { |
| 110 | // ISO time format is YYYY-MM-DDTHH:mm:ssZ |
| 111 | var tsDate = new Date(aTimestamp); |
| 112 | return tsDate.getUTCFullYear() + "-" + |
| 113 | (tsDate.getUTCMonth() < 10 ? "0" : "") + tsDate.getUTCMonth() + "-" + |
| 114 | (tsDate.getUTCDate() < 10 ? "0" : "") + tsDate.getUTCDate() + "T" + |
| 115 | (tsDate.getUTCHours() < 10 ? "0" : "") + tsDate.getUTCHours() + ":" + |
| 116 | (tsDate.getUTCMinutes() < 10 ? "0" : "") + tsDate.getUTCMinutes() + ":" + |
| 117 | (tsDate.getUTCSeconds() < 10 ? "0" : "") + tsDate.getUTCSeconds() + "Z"; |
| 118 | } |
| 119 | |
| 120 | function saveTrack() { |
| 121 | if (gTrack.length) { |
| 122 | var out = '<?xml version="1.0" encoding="UTF-8" ?>' + "\n\n"; |
| 123 | out += '<gpx version="1.0" creator="Lantea" xmlns="http://www.topografix.com/GPX/1/0">' + "\n"; |
| 124 | out += ' <trk>' + "\n"; |
| 125 | out += ' <trkseg>' + "\n"; |
| 126 | for (var i = 0; i < gTrack.length; i++) { |
| 127 | if (gTrack[i].beginSegment && i > 0) { |
| 128 | out += ' </trkseg>' + "\n"; |
| 129 | out += ' <trkseg>' + "\n"; |
| 130 | } |
| 131 | out += ' <trkpt lat="' + gTrack[i].coords.latitude + '" lon="' + |
| 132 | gTrack[i].coords.longitude + '">' + "\n"; |
| 133 | if (gTrack[i].coords.altitude) { |
| 134 | out += ' <ele>' + gTrack[i].coords.altitude + '</ele>' + "\n"; |
| 135 | } |
| 136 | out += ' <time>' + makeISOString(gTrack[i].time) + '</time>' + "\n"; |
| 137 | out += ' </trkpt>' + "\n"; |
| 138 | } |
| 139 | out += ' </trkseg>' + "\n"; |
| 140 | out += ' </trk>' + "\n"; |
| 141 | out += '</gpx>' + "\n"; |
| 142 | var outDataURI = "data:application/octet-stream," + encodeURIComponent(out); |
| 143 | window.open(outDataURI, 'GPX Track'); |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | var gPrefs = { |
| 148 | objStore: "prefs", |
| 149 | |
| 150 | get: function(aKey, aCallback) { |
| 151 | if (!mainDB) |
| 152 | return; |
| 153 | var transaction = mainDB.transaction([this.objStore]); |
| 154 | var request = transaction.objectStore(this.objStore).get(aKey); |
| 155 | request.onsuccess = function(event) { |
| 156 | aCallback(request.result, event); |
| 157 | }; |
| 158 | request.onerror = function(event) { |
| 159 | // Errors can be handled here. |
| 160 | aCallback(undefined, event); |
| 161 | }; |
| 162 | }, |
| 163 | |
| 164 | set: function(aKey, aValue, aCallback) { |
| 165 | if (!mainDB) |
| 166 | return; |
| 167 | var success = false; |
| 168 | var transaction = mainDB.transaction([this.objStore], |
| 169 | IDBTransaction.READ_WRITE); |
| 170 | var objStore = transaction.objectStore(this.objStore); |
| 171 | var request = objStore.add(aValue, aKey); |
| 172 | request.onsuccess = function(event) { |
| 173 | success = true; |
| 174 | if (aCallback) |
| 175 | aCallback(success, event); |
| 176 | }; |
| 177 | request.onerror = function(event) { |
| 178 | // Errors can be handled here. |
| 179 | if (aCallback) |
| 180 | aCallback(success, event); |
| 181 | }; |
| 182 | }, |
| 183 | |
| 184 | unset: function(aKey, aCallback) { |
| 185 | if (!mainDB) |
| 186 | return; |
| 187 | var success = false; |
| 188 | var transaction = mainDB.transaction([this.objStore], |
| 189 | IDBTransaction.READ_WRITE); |
| 190 | var request = transaction.objectStore(this.objStore).delete(aKey); |
| 191 | request.onsuccess = function(event) { |
| 192 | success = true; |
| 193 | if (aCallback) |
| 194 | aCallback(success, event); |
| 195 | }; |
| 196 | request.onerror = function(event) { |
| 197 | // Errors can be handled here. |
| 198 | if (aCallback) |
| 199 | aCallback(success, event); |
| 200 | } |
| 201 | } |
| 202 | }; |
| 203 | |
| 204 | var gTrackStore = { |
| 205 | objStore: "track", |
| 206 | |
| 207 | getList: function(aCallback) { |
| 208 | if (!mainDB) |
| 209 | return; |
| 210 | var transaction = mainDB.transaction([this.objStore]); |
| 211 | var objStore = transaction.objectStore(this.objStore); |
| 212 | if (objStore.getAll) { // currently Mozilla-specific |
| 213 | objStore.getAll().onsuccess = function(event) { |
| 214 | aCallback(event.target.result); |
| 215 | }; |
| 216 | } |
| 217 | else { // Use cursor (standard method). |
| 218 | var tPoints = []; |
| 219 | objStore.openCursor().onsuccess = function(event) { |
| 220 | var cursor = event.target.result; |
| 221 | if (cursor) { |
| 222 | tPoints.push(cursor.value); |
| 223 | cursor.continue(); |
| 224 | } |
| 225 | else { |
| 226 | aCallback(tPoints); |
| 227 | } |
| 228 | }; |
| 229 | } |
| 230 | }, |
| 231 | |
| 232 | push: function(aValue, aCallback) { |
| 233 | if (!mainDB) |
| 234 | return; |
| 235 | var transaction = mainDB.transaction([this.objStore], |
| 236 | IDBTransaction.READ_WRITE); |
| 237 | var objStore = transaction.objectStore(this.objStore); |
| 238 | var request = objStore.add(aValue); |
| 239 | request.onsuccess = function(event) { |
| 240 | if (aCallback) |
| 241 | aCallback(request.result, event); |
| 242 | }; |
| 243 | request.onerror = function(event) { |
| 244 | // Errors can be handled here. |
| 245 | if (aCallback) |
| 246 | aCallback(false, event); |
| 247 | }; |
| 248 | }, |
| 249 | |
| 250 | clear: function(aCallback) { |
| 251 | if (!mainDB) |
| 252 | return; |
| 253 | var success = false; |
| 254 | var transaction = mainDB.transaction([this.objStore], |
| 255 | IDBTransaction.READ_WRITE); |
| 256 | var request = transaction.objectStore(this.objStore).clear(); |
| 257 | request.onsuccess = function(event) { |
| 258 | success = true; |
| 259 | if (aCallback) |
| 260 | aCallback(success, event); |
| 261 | }; |
| 262 | request.onerror = function(event) { |
| 263 | // Errors can be handled here. |
| 264 | if (aCallback) |
| 265 | aCallback(success, event); |
| 266 | } |
| 267 | } |
| 268 | }; |