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