| 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 4 | |
| 5 | // Get the best-available indexedDB object. |
| 6 | var iDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.msIndexedDB; |
| 7 | var mainDB; |
| 8 | |
| 9 | var gUIHideCountdown = 0; |
| 10 | var gWaitCounter = 0; |
| 11 | |
| 12 | window.onload = function() { |
| 13 | var mSel = document.getElementById("mapSelector"); |
| 14 | for (var mapStyle in gMapStyles) { |
| 15 | var opt = document.createElement("option"); |
| 16 | opt.value = mapStyle; |
| 17 | opt.text = gMapStyles[mapStyle].name; |
| 18 | mSel.add(opt, null); |
| 19 | } |
| 20 | |
| 21 | var areas = document.getElementsByClassName('overlayArea'); |
| 22 | for (var i = 0; i <= areas.length - 1; i++) { |
| 23 | areas[i].addEventListener("mouseup", uiEvHandler, false); |
| 24 | areas[i].addEventListener("mousemove", uiEvHandler, false); |
| 25 | areas[i].addEventListener("mousedown", uiEvHandler, false); |
| 26 | areas[i].addEventListener("mouseout", uiEvHandler, false); |
| 27 | |
| 28 | areas[i].addEventListener("touchstart", uiEvHandler, false); |
| 29 | areas[i].addEventListener("touchmove", uiEvHandler, false); |
| 30 | areas[i].addEventListener("touchend", uiEvHandler, false); |
| 31 | areas[i].addEventListener("touchcancel", uiEvHandler, false); |
| 32 | areas[i].addEventListener("touchleave", uiEvHandler, false); |
| 33 | } |
| 34 | |
| 35 | if (navigator.platform.length == "") { |
| 36 | // For Firefox OS, don't display the "save" button. |
| 37 | // Do this by setting the debugHide class for testing in debug mode. |
| 38 | document.getElementById("saveTrackButton").classList.add("debugHide"); |
| 39 | } |
| 40 | |
| 41 | initDB(); |
| 42 | initMap(); |
| 43 | |
| 44 | var loopCnt = 0; |
| 45 | var waitForInitAndDraw = function() { |
| 46 | if ((gWaitCounter <= 0) || (loopCnt > 100)) { |
| 47 | if (gWaitCounter <= 0) |
| 48 | gWaitCounter = 0; |
| 49 | else |
| 50 | document.getElementById("debug").textContent = "Loading failed (waiting for init)."; |
| 51 | |
| 52 | gMapPrefsLoaded = true; |
| 53 | resizeAndDraw(); |
| 54 | setTracking(document.getElementById("trackCheckbox")); |
| 55 | } |
| 56 | else |
| 57 | setTimeout(waitForInitAndDraw, 100); |
| 58 | loopCnt++; |
| 59 | }; |
| 60 | waitForInitAndDraw(); |
| 61 | } |
| 62 | |
| 63 | window.onresize = function() { |
| 64 | resizeAndDraw(); |
| 65 | } |
| 66 | |
| 67 | function initDB() { |
| 68 | // Open DB. |
| 69 | var request = iDB.open("MainDB", 1); |
| 70 | request.onerror = function(event) { |
| 71 | // Errors can be handled here. Error codes explain in: |
| 72 | // https://developer.mozilla.org/en/IndexedDB/IDBDatabaseException#Constants |
| 73 | //document.getElementById("debug").textContent = |
| 74 | // "error opening mainDB: " + event.target.errorCode; |
| 75 | }; |
| 76 | request.onsuccess = function(event) { |
| 77 | //document.getElementById("debug").textContent = "mainDB opened."; |
| 78 | mainDB = request.result; |
| 79 | }; |
| 80 | request.onupgradeneeded = function(event) { |
| 81 | mainDB = request.result; |
| 82 | //document.getElementById("debug").textContent = "mainDB upgraded."; |
| 83 | // Create a "prefs" objectStore. |
| 84 | var prefsStore = mainDB.createObjectStore("prefs"); |
| 85 | // Create a "track" objectStore. |
| 86 | var trackStore = mainDB.createObjectStore("track", {autoIncrement: true}); |
| 87 | mainDB.onversionchange = function(event) { |
| 88 | mainDB.close(); |
| 89 | mainDB = undefined; |
| 90 | initDB(); |
| 91 | }; |
| 92 | }; |
| 93 | } |
| 94 | |
| 95 | function showUI() { |
| 96 | if (gUIHideCountdown <= 0) { |
| 97 | var areas = document.getElementsByClassName('overlayArea'); |
| 98 | for (var i = 0; i <= areas.length - 1; i++) { |
| 99 | areas[i].classList.remove("hidden"); |
| 100 | } |
| 101 | setTimeout(maybeHideUI, 1000); |
| 102 | } |
| 103 | gUIHideCountdown = 5; |
| 104 | } |
| 105 | |
| 106 | function maybeHideUI() { |
| 107 | gUIHideCountdown--; |
| 108 | if (gUIHideCountdown <= 0) { |
| 109 | var areas = document.getElementsByClassName('overlayArea'); |
| 110 | for (var i = 0; i <= areas.length - 1; i++) { |
| 111 | areas[i].classList.add("hidden"); |
| 112 | } |
| 113 | } |
| 114 | else { |
| 115 | setTimeout(maybeHideUI, 1000); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | function toggleTrackArea() { |
| 120 | var fs = document.getElementById("trackArea"); |
| 121 | if (fs.style.display != "block") { |
| 122 | fs.style.display = "block"; |
| 123 | showUI(); |
| 124 | } |
| 125 | else { |
| 126 | fs.style.display = "none"; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | function toggleSettings() { |
| 131 | var fs = document.getElementById("settingsArea"); |
| 132 | if (fs.style.display != "block") { |
| 133 | fs.style.display = "block"; |
| 134 | showUI(); |
| 135 | } |
| 136 | else { |
| 137 | fs.style.display = "none"; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | function toggleFullscreen() { |
| 142 | if ((document.fullScreenElement && document.fullScreenElement !== null) || |
| 143 | (document.mozFullScreenElement && document.mozFullScreenElement !== null) || |
| 144 | (document.webkitFullScreenElement && document.webkitFullScreenElement !== null)) { |
| 145 | if (document.cancelFullScreen) { |
| 146 | document.cancelFullScreen(); |
| 147 | } else if (document.mozCancelFullScreen) { |
| 148 | document.mozCancelFullScreen(); |
| 149 | } else if (document.webkitCancelFullScreen) { |
| 150 | document.webkitCancelFullScreen(); |
| 151 | } |
| 152 | } |
| 153 | else { |
| 154 | var elem = document.getElementById("body"); |
| 155 | if (elem.requestFullScreen) { |
| 156 | elem.requestFullScreen(); |
| 157 | } else if (elem.mozRequestFullScreen) { |
| 158 | elem.mozRequestFullScreen(); |
| 159 | } else if (elem.webkitRequestFullScreen) { |
| 160 | elem.webkitRequestFullScreen(); |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | var uiEvHandler = { |
| 166 | handleEvent: function(aEvent) { |
| 167 | var touchEvent = aEvent.type.indexOf('touch') != -1; |
| 168 | |
| 169 | switch (aEvent.type) { |
| 170 | case "mousedown": |
| 171 | case "touchstart": |
| 172 | case "mousemove": |
| 173 | case "touchmove": |
| 174 | case "mouseup": |
| 175 | case "touchend": |
| 176 | showUI(); |
| 177 | break; |
| 178 | } |
| 179 | } |
| 180 | }; |
| 181 | |
| 182 | function makeISOString(aTimestamp) { |
| 183 | // ISO time format is YYYY-MM-DDTHH:mm:ssZ |
| 184 | var tsDate = new Date(aTimestamp); |
| 185 | return tsDate.getUTCFullYear() + "-" + |
| 186 | (tsDate.getUTCMonth() < 10 ? "0" : "") + tsDate.getUTCMonth() + "-" + |
| 187 | (tsDate.getUTCDate() < 10 ? "0" : "") + tsDate.getUTCDate() + "T" + |
| 188 | (tsDate.getUTCHours() < 10 ? "0" : "") + tsDate.getUTCHours() + ":" + |
| 189 | (tsDate.getUTCMinutes() < 10 ? "0" : "") + tsDate.getUTCMinutes() + ":" + |
| 190 | (tsDate.getUTCSeconds() < 10 ? "0" : "") + tsDate.getUTCSeconds() + "Z"; |
| 191 | } |
| 192 | |
| 193 | function saveTrack() { |
| 194 | if (gTrack.length) { |
| 195 | var out = '<?xml version="1.0" encoding="UTF-8" ?>' + "\n\n"; |
| 196 | out += '<gpx version="1.0" creator="Lantea" xmlns="http://www.topografix.com/GPX/1/0">' + "\n"; |
| 197 | out += ' <trk>' + "\n"; |
| 198 | out += ' <trkseg>' + "\n"; |
| 199 | for (var i = 0; i < gTrack.length; i++) { |
| 200 | if (gTrack[i].beginSegment && i > 0) { |
| 201 | out += ' </trkseg>' + "\n"; |
| 202 | out += ' <trkseg>' + "\n"; |
| 203 | } |
| 204 | out += ' <trkpt lat="' + gTrack[i].coords.latitude + '" lon="' + |
| 205 | gTrack[i].coords.longitude + '">' + "\n"; |
| 206 | if (gTrack[i].coords.altitude) { |
| 207 | out += ' <ele>' + gTrack[i].coords.altitude + '</ele>' + "\n"; |
| 208 | } |
| 209 | out += ' <time>' + makeISOString(gTrack[i].time) + '</time>' + "\n"; |
| 210 | out += ' </trkpt>' + "\n"; |
| 211 | } |
| 212 | out += ' </trkseg>' + "\n"; |
| 213 | out += ' </trk>' + "\n"; |
| 214 | out += '</gpx>' + "\n"; |
| 215 | var outDataURI = "data:application/gpx+xml," + encodeURIComponent(out); |
| 216 | window.open(outDataURI, 'GPX Track'); |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | function saveTrackDump() { |
| 221 | if (gTrack.length) { |
| 222 | var out = JSON.stringify(gTrack); |
| 223 | var outDataURI = "data:application/json," + encodeURIComponent(out); |
| 224 | window.open(outDataURI, 'JSON dump'); |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | var gPrefs = { |
| 229 | objStore: "prefs", |
| 230 | |
| 231 | get: function(aKey, aCallback) { |
| 232 | if (!mainDB) |
| 233 | return; |
| 234 | var transaction = mainDB.transaction([this.objStore]); |
| 235 | var request = transaction.objectStore(this.objStore).get(aKey); |
| 236 | request.onsuccess = function(event) { |
| 237 | aCallback(request.result, event); |
| 238 | }; |
| 239 | request.onerror = function(event) { |
| 240 | // Errors can be handled here. |
| 241 | aCallback(undefined, event); |
| 242 | }; |
| 243 | }, |
| 244 | |
| 245 | set: function(aKey, aValue, aCallback) { |
| 246 | if (!mainDB) |
| 247 | return; |
| 248 | var success = false; |
| 249 | var transaction = mainDB.transaction([this.objStore], "readwrite"); |
| 250 | var objStore = transaction.objectStore(this.objStore); |
| 251 | var request = objStore.put(aValue, aKey); |
| 252 | request.onsuccess = function(event) { |
| 253 | success = true; |
| 254 | if (aCallback) |
| 255 | aCallback(success, event); |
| 256 | }; |
| 257 | request.onerror = function(event) { |
| 258 | // Errors can be handled here. |
| 259 | if (aCallback) |
| 260 | aCallback(success, event); |
| 261 | }; |
| 262 | }, |
| 263 | |
| 264 | unset: function(aKey, aCallback) { |
| 265 | if (!mainDB) |
| 266 | return; |
| 267 | var success = false; |
| 268 | var transaction = mainDB.transaction([this.objStore], "readwrite"); |
| 269 | var request = transaction.objectStore(this.objStore).delete(aKey); |
| 270 | request.onsuccess = function(event) { |
| 271 | success = true; |
| 272 | if (aCallback) |
| 273 | aCallback(success, event); |
| 274 | }; |
| 275 | request.onerror = function(event) { |
| 276 | // Errors can be handled here. |
| 277 | if (aCallback) |
| 278 | aCallback(success, event); |
| 279 | } |
| 280 | } |
| 281 | }; |
| 282 | |
| 283 | var gTrackStore = { |
| 284 | objStore: "track", |
| 285 | |
| 286 | getList: function(aCallback) { |
| 287 | if (!mainDB) |
| 288 | return; |
| 289 | var transaction = mainDB.transaction([this.objStore]); |
| 290 | var objStore = transaction.objectStore(this.objStore); |
| 291 | if (objStore.getAll) { // currently Mozilla-specific |
| 292 | objStore.getAll().onsuccess = function(event) { |
| 293 | aCallback(event.target.result); |
| 294 | }; |
| 295 | } |
| 296 | else { // Use cursor (standard method). |
| 297 | var tPoints = []; |
| 298 | objStore.openCursor().onsuccess = function(event) { |
| 299 | var cursor = event.target.result; |
| 300 | if (cursor) { |
| 301 | tPoints.push(cursor.value); |
| 302 | cursor.continue(); |
| 303 | } |
| 304 | else { |
| 305 | aCallback(tPoints); |
| 306 | } |
| 307 | }; |
| 308 | } |
| 309 | }, |
| 310 | |
| 311 | push: function(aValue, aCallback) { |
| 312 | if (!mainDB) |
| 313 | return; |
| 314 | var transaction = mainDB.transaction([this.objStore], "readwrite"); |
| 315 | var objStore = transaction.objectStore(this.objStore); |
| 316 | var request = objStore.add(aValue); |
| 317 | request.onsuccess = function(event) { |
| 318 | if (aCallback) |
| 319 | aCallback(request.result, event); |
| 320 | }; |
| 321 | request.onerror = function(event) { |
| 322 | // Errors can be handled here. |
| 323 | if (aCallback) |
| 324 | aCallback(false, event); |
| 325 | }; |
| 326 | }, |
| 327 | |
| 328 | clear: function(aCallback) { |
| 329 | if (!mainDB) |
| 330 | return; |
| 331 | var success = false; |
| 332 | var transaction = mainDB.transaction([this.objStore], "readwrite"); |
| 333 | var request = transaction.objectStore(this.objStore).clear(); |
| 334 | request.onsuccess = function(event) { |
| 335 | success = true; |
| 336 | if (aCallback) |
| 337 | aCallback(success, event); |
| 338 | }; |
| 339 | request.onerror = function(event) { |
| 340 | // Errors can be handled here. |
| 341 | if (aCallback) |
| 342 | aCallback(success, event); |
| 343 | } |
| 344 | } |
| 345 | }; |