Commit | Line | Data |
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a7393a71 RK |
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/. */ | |
23cd2dcc | 4 | |
41e2dba2 | 5 | // Get the best-available objects for indexedDB and requestAnimationFrame. |
3d99a6fd | 6 | window.indexedDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.msIndexedDB; |
41e2dba2 | 7 | window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame; |
993fd081 | 8 | |
41e2dba2 | 9 | var mainDB; |
16e4f664 | 10 | var gAppInitDone = false; |
7a549148 | 11 | var gUIHideCountdown = 0; |
4b1d0915 | 12 | var gWaitCounter = 0; |
026c4f46 | 13 | var gTrackUpdateInterval; |
68afcd96 | 14 | var gAction, gActionLabel; |
c4d0569c | 15 | var gOSMAPIURL = "http://api.openstreetmap.org/"; |
7a549148 | 16 | |
b47b4a65 | 17 | window.onload = function() { |
68afcd96 RK |
18 | gAction = document.getElementById("action"); |
19 | gActionLabel = document.getElementById("actionlabel"); | |
20 | ||
b47b4a65 RK |
21 | var mSel = document.getElementById("mapSelector"); |
22 | for (var mapStyle in gMapStyles) { | |
23 | var opt = document.createElement("option"); | |
24 | opt.value = mapStyle; | |
25 | opt.text = gMapStyles[mapStyle].name; | |
26 | mSel.add(opt, null); | |
27 | } | |
23cd2dcc | 28 | |
ecde0af2 | 29 | var areas = document.getElementsByClassName("overlayArea"); |
7a549148 RK |
30 | for (var i = 0; i <= areas.length - 1; i++) { |
31 | areas[i].addEventListener("mouseup", uiEvHandler, false); | |
32 | areas[i].addEventListener("mousemove", uiEvHandler, false); | |
33 | areas[i].addEventListener("mousedown", uiEvHandler, false); | |
34 | areas[i].addEventListener("mouseout", uiEvHandler, false); | |
35 | ||
36 | areas[i].addEventListener("touchstart", uiEvHandler, false); | |
37 | areas[i].addEventListener("touchmove", uiEvHandler, false); | |
38 | areas[i].addEventListener("touchend", uiEvHandler, false); | |
39 | areas[i].addEventListener("touchcancel", uiEvHandler, false); | |
40 | areas[i].addEventListener("touchleave", uiEvHandler, false); | |
41 | } | |
42 | ||
1222624d RK |
43 | document.getElementById("body").addEventListener("keydown", uiEvHandler, false); |
44 | ||
8e901dce | 45 | if (navigator.platform.length == "") { |
b91b74a7 RK |
46 | // For Firefox OS, don't display the "save" button. |
47 | // Do this by setting the debugHide class for testing in debug mode. | |
48 | document.getElementById("saveTrackButton").classList.add("debugHide"); | |
c4d0569c RK |
49 | } |
50 | ||
43255174 RK |
51 | // Without OAuth, the login data is useless |
52 | //document.getElementById("uploadSettingsArea").classList.remove("debugHide"); | |
53 | // As login data is useless for now, always enable upload button | |
54 | document.getElementById("uploadTrackButton").disabled = false; | |
55 | ||
c4d0569c | 56 | if (gDebug) { |
43255174 | 57 | // Note that GPX upload returns an error 500 on the dev API right now. |
c4d0569c | 58 | gOSMAPIURL = "http://api06.dev.openstreetmap.org/"; |
b91b74a7 | 59 | } |
7a549148 | 60 | |
582d50fc RK |
61 | gAction.addEventListener("dbinit-done", initMap, false); |
62 | gAction.addEventListener("mapinit-done", postInit, false); | |
63 | console.log("starting DB init..."); | |
993fd081 | 64 | initDB(); |
582d50fc | 65 | } |
4b1d0915 | 66 | |
582d50fc RK |
67 | function postInit(aEvent) { |
68 | gAction.removeEventListener(aEvent.type, postInit, false); | |
69 | console.log("init done, draw map."); | |
70 | gMapPrefsLoaded = true; | |
16e4f664 | 71 | gAppInitDone = true; |
14acbcf7 RK |
72 | //gMap.resizeAndDraw(); <-- HACK: This triggers bug 1001853, work around with a delay. |
73 | window.setTimeout(gMap.resizeAndDraw, 100); | |
582d50fc RK |
74 | gActionLabel.textContent = ""; |
75 | gAction.style.display = "none"; | |
76 | setTracking(document.getElementById("trackCheckbox")); | |
77 | gPrefs.get(gDebug ? "osm_dev_user" : "osm_user", function(aValue) { | |
78 | if (aValue) { | |
79 | document.getElementById("uploadUser").value = aValue; | |
80 | document.getElementById("uploadTrackButton").disabled = false; | |
4b1d0915 | 81 | } |
582d50fc RK |
82 | }); |
83 | gPrefs.get(gDebug ? "osm_dev_pwd" : "osm_pwd", function(aValue) { | |
84 | var upwd = document.getElementById("uploadPwd"); | |
85 | if (aValue) | |
86 | document.getElementById("uploadPwd").value = aValue; | |
87 | }); | |
b47b4a65 RK |
88 | } |
89 | ||
90 | window.onresize = function() { | |
ac6286bd | 91 | gMap.resizeAndDraw(); |
b47b4a65 RK |
92 | } |
93 | ||
582d50fc | 94 | function initDB(aEvent) { |
993fd081 | 95 | // Open DB. |
582d50fc RK |
96 | if (aEvent) |
97 | gAction.removeEventListener(aEvent.type, initDB, false); | |
1222624d | 98 | var request = window.indexedDB.open("MainDB-lantea", 2); |
993fd081 RK |
99 | request.onerror = function(event) { |
100 | // Errors can be handled here. Error codes explain in: | |
101 | // https://developer.mozilla.org/en/IndexedDB/IDBDatabaseException#Constants | |
915d4271 RK |
102 | if (gDebug) |
103 | console.log("error opening mainDB: " + event.target.errorCode); | |
993fd081 RK |
104 | }; |
105 | request.onsuccess = function(event) { | |
993fd081 | 106 | mainDB = request.result; |
582d50fc RK |
107 | var throwEv = new CustomEvent("dbinit-done"); |
108 | gAction.dispatchEvent(throwEv); | |
993fd081 RK |
109 | }; |
110 | request.onupgradeneeded = function(event) { | |
111 | mainDB = request.result; | |
a8634d37 | 112 | var ver = mainDB.version || 0; // version is empty string for a new DB |
915d4271 RK |
113 | if (gDebug) |
114 | console.log("mainDB has version " + ver + ", upgrade needed."); | |
115 | if (!mainDB.objectStoreNames.contains("prefs")) { | |
a8634d37 RK |
116 | // Create a "prefs" objectStore. |
117 | var prefsStore = mainDB.createObjectStore("prefs"); | |
915d4271 RK |
118 | } |
119 | if (!mainDB.objectStoreNames.contains("track")) { | |
a8634d37 RK |
120 | // Create a "track" objectStore. |
121 | var trackStore = mainDB.createObjectStore("track", {autoIncrement: true}); | |
122 | } | |
915d4271 | 123 | if (!mainDB.objectStoreNames.contains("tilecache")) { |
a8634d37 RK |
124 | // Create a "tilecache" objectStore. |
125 | var tilecacheStore = mainDB.createObjectStore("tilecache"); | |
126 | } | |
993fd081 RK |
127 | mainDB.onversionchange = function(event) { |
128 | mainDB.close(); | |
129 | mainDB = undefined; | |
130 | initDB(); | |
131 | }; | |
132 | }; | |
133 | } | |
134 | ||
7a549148 RK |
135 | function showUI() { |
136 | if (gUIHideCountdown <= 0) { | |
137 | var areas = document.getElementsByClassName('overlayArea'); | |
138 | for (var i = 0; i <= areas.length - 1; i++) { | |
139 | areas[i].classList.remove("hidden"); | |
140 | } | |
141 | setTimeout(maybeHideUI, 1000); | |
142 | } | |
143 | gUIHideCountdown = 5; | |
144 | } | |
145 | ||
146 | function maybeHideUI() { | |
147 | gUIHideCountdown--; | |
148 | if (gUIHideCountdown <= 0) { | |
149 | var areas = document.getElementsByClassName('overlayArea'); | |
150 | for (var i = 0; i <= areas.length - 1; i++) { | |
151 | areas[i].classList.add("hidden"); | |
152 | } | |
153 | } | |
154 | else { | |
155 | setTimeout(maybeHideUI, 1000); | |
156 | } | |
157 | } | |
158 | ||
026c4f46 RK |
159 | function updateTrackInfo() { |
160 | document.getElementById("trackLengthNum").textContent = calcTrackLength().toFixed(1); | |
161 | var duration = calcTrackDuration(); | |
162 | var durationM = Math.round(duration/60); | |
163 | var durationH = Math.floor(durationM/60); durationM = durationM - durationH * 60; | |
164 | document.getElementById("trackDurationH").style.display = durationH ? "inline" : "none"; | |
165 | document.getElementById("trackDurationHNum").textContent = durationH; | |
166 | document.getElementById("trackDurationMNum").textContent = durationM; | |
167 | } | |
168 | ||
993fd081 RK |
169 | function toggleTrackArea() { |
170 | var fs = document.getElementById("trackArea"); | |
123b3142 RK |
171 | if (fs.classList.contains("hidden")) { |
172 | fs.classList.remove("hidden"); | |
7a549148 | 173 | showUI(); |
026c4f46 | 174 | gTrackUpdateInterval = setInterval(updateTrackInfo, 1000); |
993fd081 RK |
175 | } |
176 | else { | |
026c4f46 | 177 | clearInterval(gTrackUpdateInterval); |
123b3142 | 178 | fs.classList.add("hidden"); |
993fd081 RK |
179 | } |
180 | } | |
181 | ||
b47b4a65 | 182 | function toggleSettings() { |
993fd081 | 183 | var fs = document.getElementById("settingsArea"); |
123b3142 RK |
184 | if (fs.classList.contains("hidden")) { |
185 | fs.classList.remove("hidden"); | |
7a549148 | 186 | showUI(); |
b47b4a65 RK |
187 | } |
188 | else { | |
123b3142 | 189 | fs.classList.add("hidden"); |
b47b4a65 RK |
190 | } |
191 | } | |
99631a75 | 192 | |
c5378747 RK |
193 | function toggleFullscreen() { |
194 | if ((document.fullScreenElement && document.fullScreenElement !== null) || | |
195 | (document.mozFullScreenElement && document.mozFullScreenElement !== null) || | |
196 | (document.webkitFullScreenElement && document.webkitFullScreenElement !== null)) { | |
197 | if (document.cancelFullScreen) { | |
198 | document.cancelFullScreen(); | |
199 | } else if (document.mozCancelFullScreen) { | |
200 | document.mozCancelFullScreen(); | |
201 | } else if (document.webkitCancelFullScreen) { | |
202 | document.webkitCancelFullScreen(); | |
203 | } | |
204 | } | |
205 | else { | |
206 | var elem = document.getElementById("body"); | |
207 | if (elem.requestFullScreen) { | |
208 | elem.requestFullScreen(); | |
209 | } else if (elem.mozRequestFullScreen) { | |
210 | elem.mozRequestFullScreen(); | |
211 | } else if (elem.webkitRequestFullScreen) { | |
212 | elem.webkitRequestFullScreen(); | |
213 | } | |
214 | } | |
215 | } | |
216 | ||
43255174 RK |
217 | function showUploadDialog() { |
218 | var dia = document.getElementById("dialogArea"); | |
219 | var areas = dia.children; | |
220 | for (var i = 0; i <= areas.length - 1; i++) { | |
221 | areas[i].style.display = "none"; | |
222 | } | |
223 | document.getElementById("uploadDialog").style.display = "block"; | |
224 | document.getElementById("uploadTrackButton").disabled = true; | |
225 | dia.classList.remove("hidden"); | |
226 | } | |
227 | ||
ecde0af2 RK |
228 | function showGLWarningDialog() { |
229 | var dia = document.getElementById("dialogArea"); | |
230 | var areas = dia.children; | |
231 | for (var i = 0; i <= areas.length - 1; i++) { | |
232 | areas[i].style.display = "none"; | |
233 | } | |
234 | document.getElementById("noGLwarning").style.display = "block"; | |
235 | dia.classList.remove("hidden"); | |
236 | } | |
237 | ||
43255174 RK |
238 | function cancelDialog() { |
239 | document.getElementById("dialogArea").classList.add("hidden"); | |
240 | document.getElementById("uploadTrackButton").disabled = false; | |
241 | } | |
242 | ||
7a549148 RK |
243 | var uiEvHandler = { |
244 | handleEvent: function(aEvent) { | |
245 | var touchEvent = aEvent.type.indexOf('touch') != -1; | |
246 | ||
247 | switch (aEvent.type) { | |
248 | case "mousedown": | |
249 | case "touchstart": | |
250 | case "mousemove": | |
251 | case "touchmove": | |
252 | case "mouseup": | |
253 | case "touchend": | |
1222624d | 254 | case "keydown": |
7a549148 RK |
255 | showUI(); |
256 | break; | |
257 | } | |
258 | } | |
259 | }; | |
260 | ||
8389557a RK |
261 | function setUploadField(aField) { |
262 | switch (aField.id) { | |
263 | case "uploadUser": | |
c4d0569c | 264 | gPrefs.set(gDebug ? "osm_dev_user" : "osm_user", aField.value); |
8389557a RK |
265 | document.getElementById("uploadTrackButton").disabled = !aField.value.length; |
266 | break; | |
267 | case "uploadPwd": | |
c4d0569c | 268 | gPrefs.set(gDebug ? "osm_dev_pwd" : "osm_pwd", aField.value); |
8389557a RK |
269 | break; |
270 | } | |
271 | } | |
272 | ||
99631a75 RK |
273 | function makeISOString(aTimestamp) { |
274 | // ISO time format is YYYY-MM-DDTHH:mm:ssZ | |
275 | var tsDate = new Date(aTimestamp); | |
362a6833 | 276 | // Note that .getUTCMonth() returns a number between 0 and 11 (0 for January)! |
99631a75 | 277 | return tsDate.getUTCFullYear() + "-" + |
362a6833 | 278 | (tsDate.getUTCMonth() < 9 ? "0" : "") + (tsDate.getUTCMonth() + 1 ) + "-" + |
99631a75 RK |
279 | (tsDate.getUTCDate() < 10 ? "0" : "") + tsDate.getUTCDate() + "T" + |
280 | (tsDate.getUTCHours() < 10 ? "0" : "") + tsDate.getUTCHours() + ":" + | |
281 | (tsDate.getUTCMinutes() < 10 ? "0" : "") + tsDate.getUTCMinutes() + ":" + | |
282 | (tsDate.getUTCSeconds() < 10 ? "0" : "") + tsDate.getUTCSeconds() + "Z"; | |
283 | } | |
284 | ||
8389557a RK |
285 | function convertTrack(aTargetFormat) { |
286 | var out = ""; | |
287 | switch (aTargetFormat) { | |
288 | case "gpx": | |
289 | out += '<?xml version="1.0" encoding="UTF-8" ?>' + "\n\n"; | |
290 | out += '<gpx version="1.0" creator="Lantea" xmlns="http://www.topografix.com/GPX/1/0">' + "\n"; | |
291 | if (gTrack.length) { | |
292 | out += ' <trk>' + "\n"; | |
993fd081 | 293 | out += ' <trkseg>' + "\n"; |
8389557a RK |
294 | for (var i = 0; i < gTrack.length; i++) { |
295 | if (gTrack[i].beginSegment && i > 0) { | |
296 | out += ' </trkseg>' + "\n"; | |
297 | out += ' <trkseg>' + "\n"; | |
298 | } | |
299 | out += ' <trkpt lat="' + gTrack[i].coords.latitude + '" lon="' + | |
300 | gTrack[i].coords.longitude + '">' + "\n"; | |
301 | if (gTrack[i].coords.altitude) { | |
302 | out += ' <ele>' + gTrack[i].coords.altitude + '</ele>' + "\n"; | |
303 | } | |
304 | out += ' <time>' + makeISOString(gTrack[i].time) + '</time>' + "\n"; | |
305 | out += ' </trkpt>' + "\n"; | |
306 | } | |
307 | out += ' </trkseg>' + "\n"; | |
308 | out += ' </trk>' + "\n"; | |
993fd081 | 309 | } |
8389557a RK |
310 | out += '</gpx>' + "\n"; |
311 | break; | |
312 | case "json": | |
313 | out = JSON.stringify(gTrack); | |
314 | break; | |
315 | default: | |
316 | break; | |
317 | } | |
318 | return out; | |
319 | } | |
320 | ||
321 | function saveTrack() { | |
322 | if (gTrack.length) { | |
323 | var outDataURI = "data:application/gpx+xml," + | |
324 | encodeURIComponent(convertTrack("gpx")); | |
99631a75 RK |
325 | window.open(outDataURI, 'GPX Track'); |
326 | } | |
327 | } | |
993fd081 | 328 | |
4b12da3a RK |
329 | function saveTrackDump() { |
330 | if (gTrack.length) { | |
8389557a RK |
331 | var outDataURI = "data:application/json," + |
332 | encodeURIComponent(convertTrack("json")); | |
4b12da3a RK |
333 | window.open(outDataURI, 'JSON dump'); |
334 | } | |
335 | } | |
336 | ||
8389557a | 337 | function uploadTrack() { |
6ddefbf9 | 338 | // Hide all areas in the dialog. |
43255174 RK |
339 | var dia = document.getElementById("dialogArea"); |
340 | var areas = dia.children; | |
341 | for (var i = 0; i <= areas.length - 1; i++) { | |
342 | areas[i].style.display = "none"; | |
343 | } | |
6ddefbf9 RK |
344 | // Reset all the fields in the status area. |
345 | document.getElementById("uploadStatusCloseButton").disabled = true; | |
346 | document.getElementById("uploadInProgress").style.display = "block"; | |
347 | document.getElementById("uploadSuccess").style.display = "none"; | |
d0c62ee0 | 348 | document.getElementById("uploadFailed").style.display = "none"; |
6ddefbf9 | 349 | document.getElementById("uploadError").style.display = "none"; |
d0c62ee0 | 350 | document.getElementById("uploadErrorMsg").textContent = ""; |
6ddefbf9 | 351 | // Now show the status area. |
43255174 RK |
352 | document.getElementById("uploadStatus").style.display = "block"; |
353 | ||
8389557a | 354 | // See http://wiki.openstreetmap.org/wiki/Api06#Uploading_traces |
43255174 RK |
355 | var trackBlob = new Blob([convertTrack("gpx")], |
356 | { "type" : "application/gpx+xml" }); | |
8389557a RK |
357 | var formData = new FormData(); |
358 | formData.append("file", trackBlob); | |
43255174 RK |
359 | var desc = document.getElementById("uploadDesc").value; |
360 | formData.append("description", | |
361 | desc.length ? desc : "Track recorded via Lantea Maps"); | |
8389557a | 362 | //formData.append("tags", ""); |
43255174 RK |
363 | formData.append("visibility", |
364 | document.getElementById("uploadVisibility").value); | |
0494a6db RK |
365 | // Do an empty POST request first, so that we don't send everything, |
366 | // then ask for credentials, and then send again. | |
367 | var hXHR = new XMLHttpRequest(); | |
368 | hXHR.onreadystatechange = function() { | |
fdaf08db | 369 | if (hXHR.readyState == 4 && (hXHR.status == 200 || hXHR.status == 400)) { |
0494a6db RK |
370 | // 400 is Bad Request, but that's expected as this was empty. |
371 | // So far so good, init actual upload. | |
372 | var XHR = new XMLHttpRequest(); | |
373 | XHR.onreadystatechange = function() { | |
374 | if (XHR.readyState == 4 && XHR.status == 200) { | |
375 | // Everthing looks fine. | |
376 | reportUploadStatus(true); | |
377 | } else if (XHR.readyState == 4 && XHR.status != 200) { | |
378 | // Fetched the wrong page or network error... | |
379 | reportUploadStatus(false); | |
380 | } | |
381 | }; | |
382 | XHR.open("POST", gOSMAPIURL + "api/0.6/gpx/create", true); | |
383 | // Cross-Origin XHR doesn't allow username/password (HTTP Auth). | |
384 | // So, we'll ask the user for entering credentials with rather ugly UI. | |
385 | XHR.withCredentials = true; | |
386 | try { | |
387 | XHR.send(formData); // Send actual form data. | |
388 | } | |
389 | catch (e) { | |
390 | reportUploadStatus(false, e); | |
391 | } | |
392 | } else if (hXHR.readyState == 4 && hXHR.status != 200) { | |
393 | // Fetched the wrong page or network error... | |
8389557a RK |
394 | reportUploadStatus(false); |
395 | } | |
396 | }; | |
0494a6db | 397 | hXHR.open("POST", gOSMAPIURL + "api/0.6/gpx/create", true); |
43255174 RK |
398 | // Cross-Origin XHR doesn't allow username/password (HTTP Auth). |
399 | // So, we'll ask the user for entering credentials with rather ugly UI. | |
0494a6db | 400 | hXHR.withCredentials = true; |
8389557a | 401 | try { |
0494a6db | 402 | hXHR.send(); // Empty request, see above. |
8389557a RK |
403 | } |
404 | catch (e) { | |
405 | reportUploadStatus(false, e); | |
406 | } | |
407 | } | |
408 | ||
409 | function reportUploadStatus(aSuccess, aMessage) { | |
43255174 RK |
410 | document.getElementById("uploadStatusCloseButton").disabled = false; |
411 | document.getElementById("uploadInProgress").style.display = "none"; | |
412 | if (aSuccess) { | |
413 | document.getElementById("uploadSuccess").style.display = "block"; | |
414 | } | |
415 | else if (aMessage) { | |
416 | document.getElementById("uploadErrorMsg").textContent = aMessage; | |
417 | document.getElementById("uploadError").style.display = "block"; | |
418 | } | |
419 | else { | |
420 | document.getElementById("uploadFailed").style.display = "block"; | |
421 | } | |
8389557a RK |
422 | } |
423 | ||
993fd081 RK |
424 | var gPrefs = { |
425 | objStore: "prefs", | |
426 | ||
427 | get: function(aKey, aCallback) { | |
428 | if (!mainDB) | |
429 | return; | |
430 | var transaction = mainDB.transaction([this.objStore]); | |
431 | var request = transaction.objectStore(this.objStore).get(aKey); | |
432 | request.onsuccess = function(event) { | |
433 | aCallback(request.result, event); | |
434 | }; | |
435 | request.onerror = function(event) { | |
436 | // Errors can be handled here. | |
437 | aCallback(undefined, event); | |
438 | }; | |
439 | }, | |
440 | ||
441 | set: function(aKey, aValue, aCallback) { | |
442 | if (!mainDB) | |
443 | return; | |
444 | var success = false; | |
d4ccddb8 | 445 | var transaction = mainDB.transaction([this.objStore], "readwrite"); |
993fd081 | 446 | var objStore = transaction.objectStore(this.objStore); |
3610c22d | 447 | var request = objStore.put(aValue, aKey); |
993fd081 RK |
448 | request.onsuccess = function(event) { |
449 | success = true; | |
450 | if (aCallback) | |
451 | aCallback(success, event); | |
452 | }; | |
453 | request.onerror = function(event) { | |
454 | // Errors can be handled here. | |
455 | if (aCallback) | |
456 | aCallback(success, event); | |
457 | }; | |
458 | }, | |
459 | ||
460 | unset: function(aKey, aCallback) { | |
461 | if (!mainDB) | |
462 | return; | |
463 | var success = false; | |
d4ccddb8 | 464 | var transaction = mainDB.transaction([this.objStore], "readwrite"); |
993fd081 RK |
465 | var request = transaction.objectStore(this.objStore).delete(aKey); |
466 | request.onsuccess = function(event) { | |
467 | success = true; | |
468 | if (aCallback) | |
469 | aCallback(success, event); | |
470 | }; | |
471 | request.onerror = function(event) { | |
472 | // Errors can be handled here. | |
473 | if (aCallback) | |
474 | aCallback(success, event); | |
475 | } | |
476 | } | |
477 | }; | |
478 | ||
479 | var gTrackStore = { | |
480 | objStore: "track", | |
481 | ||
482 | getList: function(aCallback) { | |
483 | if (!mainDB) | |
484 | return; | |
485 | var transaction = mainDB.transaction([this.objStore]); | |
486 | var objStore = transaction.objectStore(this.objStore); | |
487 | if (objStore.getAll) { // currently Mozilla-specific | |
488 | objStore.getAll().onsuccess = function(event) { | |
489 | aCallback(event.target.result); | |
490 | }; | |
491 | } | |
492 | else { // Use cursor (standard method). | |
493 | var tPoints = []; | |
494 | objStore.openCursor().onsuccess = function(event) { | |
495 | var cursor = event.target.result; | |
496 | if (cursor) { | |
497 | tPoints.push(cursor.value); | |
498 | cursor.continue(); | |
499 | } | |
500 | else { | |
501 | aCallback(tPoints); | |
502 | } | |
503 | }; | |
504 | } | |
505 | }, | |
506 | ||
6ddefbf9 RK |
507 | getListStepped: function(aCallback) { |
508 | if (!mainDB) | |
509 | return; | |
510 | var transaction = mainDB.transaction([this.objStore]); | |
511 | var objStore = transaction.objectStore(this.objStore); | |
512 | // Use cursor in reverse direction (so we get the most recent position first) | |
513 | objStore.openCursor(null, "prev").onsuccess = function(event) { | |
514 | var cursor = event.target.result; | |
515 | if (cursor) { | |
516 | aCallback(cursor.value); | |
517 | cursor.continue(); | |
518 | } | |
519 | else { | |
520 | aCallback(null); | |
521 | } | |
522 | }; | |
523 | }, | |
524 | ||
993fd081 RK |
525 | push: function(aValue, aCallback) { |
526 | if (!mainDB) | |
527 | return; | |
d4ccddb8 | 528 | var transaction = mainDB.transaction([this.objStore], "readwrite"); |
993fd081 RK |
529 | var objStore = transaction.objectStore(this.objStore); |
530 | var request = objStore.add(aValue); | |
531 | request.onsuccess = function(event) { | |
532 | if (aCallback) | |
533 | aCallback(request.result, event); | |
534 | }; | |
535 | request.onerror = function(event) { | |
536 | // Errors can be handled here. | |
537 | if (aCallback) | |
538 | aCallback(false, event); | |
539 | }; | |
540 | }, | |
541 | ||
542 | clear: function(aCallback) { | |
543 | if (!mainDB) | |
544 | return; | |
545 | var success = false; | |
d4ccddb8 | 546 | var transaction = mainDB.transaction([this.objStore], "readwrite"); |
993fd081 RK |
547 | var request = transaction.objectStore(this.objStore).clear(); |
548 | request.onsuccess = function(event) { | |
549 | success = true; | |
550 | if (aCallback) | |
551 | aCallback(success, event); | |
552 | }; | |
553 | request.onerror = function(event) { | |
554 | // Errors can be handled here. | |
555 | if (aCallback) | |
556 | aCallback(success, event); | |
557 | } | |
558 | } | |
559 | }; |