| 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 | var gStardate, gSDBase; |
| 6 | var gSounds = {}; |
| 7 | |
| 8 | navigator.getUserMedia = (navigator.getUserMedia || navigator.webkitGetUserMedia || |
| 9 | navigator.mozGetUserMedia || navigator.msGetUserMedia); |
| 10 | |
| 11 | window.onload = function() { |
| 12 | setTimeout(updateStardate, 0); |
| 13 | gSounds.scan = new Audio("sound/scan.opus"); |
| 14 | gSounds.scan.loop = true; |
| 15 | gSounds.launch = new Audio("sound/launch.opus"); |
| 16 | gSounds.shutdown = new Audio("sound/shutdown.opus"); |
| 17 | gSounds.keyaction = new Audio("sound/key-action.opus"); |
| 18 | gSounds.keypress = new Audio("sound/key-press.opus"); |
| 19 | |
| 20 | document.getElementById("fullScreenButton").addEventListener("click", |
| 21 | function(aEvent) { toggleFullscreen(); }, false); |
| 22 | |
| 23 | var navItems = document.getElementById("navlist").children; |
| 24 | for (var i = 0; i <= navItems.length - 1; i++) { |
| 25 | navItems[i].addEventListener("click", |
| 26 | function(aEvent) { |
| 27 | switchModule(aEvent.target.id.replace("nav", "")); |
| 28 | }, false); |
| 29 | } |
| 30 | |
| 31 | gSounds.launch.play(); |
| 32 | window.addEventListener("beforeunload", |
| 33 | function(aEvent) { gSounds.shutdown.play(); }, false); |
| 34 | } |
| 35 | |
| 36 | window.onresize = function() { |
| 37 | if (document.getElementById("sectSound").classList.contains("active")) { |
| 38 | gModSound.resize(); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | function updateStardate() { |
| 43 | // Stardate rules foggy at best. See http://en.wikipedia.org/wiki/Stardate |
| 44 | // and the Memory Alpha article linked there for more details. |
| 45 | // We roughly lean on TNG scale by splitting an Earth year into exactly 1000 |
| 46 | // units, but we put the 0 point at the TV premiere of The Original Series. |
| 47 | if (!gStardate) |
| 48 | gStardate = document.getElementById("stardate"); |
| 49 | |
| 50 | var curDate = new Date(); |
| 51 | |
| 52 | // Star Trek famously premiered on Thursday, September 8, 1966, at 8:30 p.m. |
| 53 | // See http://www.startrek.com/article/what-if-the-original-star-trek-had-debuted-on-friday-nights |
| 54 | if (!gSDBase) |
| 55 | gSDBase = new Date("September 8, 1966 20:30:00 EST"); |
| 56 | |
| 57 | var sdateval = (curDate - gSDBase) / (86400 * 365.2425); |
| 58 | gStardate.textContent = sdateval.toFixed(1); |
| 59 | |
| 60 | setTimeout(updateStardate, 5*60*1000); |
| 61 | } |
| 62 | |
| 63 | function toggleFullscreen() { |
| 64 | gSounds.keyaction.play(); |
| 65 | if ((document.fullScreenElement && document.fullScreenElement !== null) || |
| 66 | (document.mozFullScreenElement && document.mozFullScreenElement !== null) || |
| 67 | (document.webkitFullScreenElement && document.webkitFullScreenElement !== null)) { |
| 68 | if (document.cancelFullScreen) { |
| 69 | document.cancelFullScreen(); |
| 70 | } else if (document.mozCancelFullScreen) { |
| 71 | document.mozCancelFullScreen(); |
| 72 | } else if (document.webkitCancelFullScreen) { |
| 73 | document.webkitCancelFullScreen(); |
| 74 | } |
| 75 | } |
| 76 | else { |
| 77 | var elem = document.getElementById("body"); |
| 78 | if (elem.requestFullScreen) { |
| 79 | elem.requestFullScreen(); |
| 80 | } else if (elem.mozRequestFullScreen) { |
| 81 | elem.mozRequestFullScreen(); |
| 82 | } else if (elem.webkitRequestFullScreen) { |
| 83 | elem.webkitRequestFullScreen(); |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | function switchModule(aModname) { |
| 89 | gSounds.keyaction.play(); |
| 90 | var sections = document.getElementsByTagName('section'); |
| 91 | for (var i = 0; i <= sections.length - 1; i++) { |
| 92 | if (sections[i].classList.contains("active")) { |
| 93 | window["gMod" + sections[i].id.replace("sect", "")].deactivate(); |
| 94 | sections[i].classList.remove("active"); |
| 95 | } |
| 96 | } |
| 97 | var navs = document.getElementById('navlist').children; |
| 98 | for (var i = 0; i <= navs.length - 1; i++) { |
| 99 | navs[i].classList.remove("active"); |
| 100 | } |
| 101 | |
| 102 | var navItem = document.getElementById("nav" + aModname); |
| 103 | navItem.classList.add("active"); |
| 104 | document.getElementById("sect" + aModname).classList.add("active"); |
| 105 | document.getElementById("mainHeader").textContent = |
| 106 | (aModname == "Other") ? "Web Tricorder" : navItem.textContent; |
| 107 | |
| 108 | window["gMod" + aModname].activate(); |
| 109 | } |
| 110 | |
| 111 | var gModPos = { |
| 112 | activate: function() { |
| 113 | if (navigator.geolocation) { |
| 114 | gSounds.scan.play(); |
| 115 | document.getElementById("posunavail").style.display = "none"; |
| 116 | document.getElementById("posavail").style.display = "block"; |
| 117 | this.watchID = navigator.geolocation.watchPosition( |
| 118 | function(aPosition) { |
| 119 | document.getElementById("posLat").textContent = |
| 120 | aPosition.coords.latitude + "°"; |
| 121 | document.getElementById("posLong").textContent = |
| 122 | aPosition.coords.longitude + "°"; |
| 123 | document.getElementById("posAlt").textContent = |
| 124 | aPosition.coords.altitude.toFixed(0) + " m"; |
| 125 | document.getElementById("posAcc").textContent = |
| 126 | aPosition.coords.accuracy.toFixed(0) + " m"; |
| 127 | document.getElementById("posAltAcc").textContent = |
| 128 | aPosition.coords.altitudeAccuracy.toFixed(0) + " m"; |
| 129 | document.getElementById("posHead").textContent = |
| 130 | aPosition.coords.heading ? aPosition.coords.heading.toFixed(0) + "°" : "---"; |
| 131 | document.getElementById("posSpd").textContent = |
| 132 | aPosition.coords.speed ? aPosition.coords.speed.toFixed(1) + " m/s" : "---"; |
| 133 | var locTime = new Date(aPosition.timestamp); |
| 134 | document.getElementById("posTime").textContent = locTime.toISOString(); |
| 135 | }, |
| 136 | function(aError) { |
| 137 | // See https://developer.mozilla.org/en/Using_geolocation#Handling_errors |
| 138 | if (aError.message) { |
| 139 | document.getElementById("posLat").textContent = aError.message; |
| 140 | document.getElementById("posLong").textContent = "..."; |
| 141 | document.getElementById("posAlt").textContent = "..."; |
| 142 | document.getElementById("posAcc").textContent = "..."; |
| 143 | document.getElementById("posAltAcc").textContent = "..."; |
| 144 | document.getElementById("posHead").textContent = "..."; |
| 145 | document.getElementById("posSpd").textContent = "..."; |
| 146 | document.getElementById("posTime").textContent = "..."; |
| 147 | setTimeout(function() { gModPos.deactivate(); }, 5000); |
| 148 | } |
| 149 | else { |
| 150 | document.getElementById("posunavail").style.display = "block"; |
| 151 | document.getElementById("posavail").style.display = "none"; |
| 152 | } |
| 153 | gSounds.scan.pause(); |
| 154 | }, |
| 155 | {enableHighAccuracy: true, maximumAge: 10000, timeout: 60000} |
| 156 | ); |
| 157 | } |
| 158 | else { |
| 159 | document.getElementById("posunavail").style.display = "block"; |
| 160 | document.getElementById("posavail").style.display = "none"; |
| 161 | } |
| 162 | }, |
| 163 | deactivate: function() { |
| 164 | gSounds.scan.pause(); |
| 165 | if (this.watchID) { |
| 166 | navigator.geolocation.clearWatch(this.watchID); |
| 167 | } |
| 168 | document.getElementById("posunavail").style.display = "block"; |
| 169 | document.getElementById("posavail").style.display = "none"; |
| 170 | document.getElementById("posLat").textContent = "..."; |
| 171 | document.getElementById("posLong").textContent = "..."; |
| 172 | document.getElementById("posAlt").textContent = "..."; |
| 173 | document.getElementById("posAcc").textContent = "..."; |
| 174 | document.getElementById("posAltAcc").textContent = "..."; |
| 175 | document.getElementById("posHead").textContent = "..."; |
| 176 | document.getElementById("posSpd").textContent = "..."; |
| 177 | document.getElementById("posTime").textContent = "..."; |
| 178 | }, |
| 179 | watchID: null, |
| 180 | } |
| 181 | |
| 182 | var gModGrav = { |
| 183 | activate: function() { |
| 184 | gSounds.scan.play(); |
| 185 | document.getElementById("gravunavail").style.display = "none"; |
| 186 | document.getElementById("gravavail").style.display = "block"; |
| 187 | window.addEventListener("deviceorientation", this.orientEvent, true); |
| 188 | window.addEventListener("devicemotion", this.motionEvent, true); |
| 189 | setTimeout(function() { |
| 190 | if ((document.getElementById("gravAlpha").textContent == "...") && |
| 191 | (document.getElementById("gravX").textContent == "...")) { |
| 192 | gModGrav.deactivate(); |
| 193 | } |
| 194 | }, 3000); |
| 195 | }, |
| 196 | deactivate: function() { |
| 197 | gSounds.scan.pause(); |
| 198 | window.removeEventListener("deviceorientation", this.orientEvent, true); |
| 199 | window.removeEventListener("devicemotion", this.motionEvent, true); |
| 200 | document.getElementById("gravunavail").style.display = "block"; |
| 201 | document.getElementById("gravavail").style.display = "none"; |
| 202 | //document.getElementById("gravAbs").textContent = "..."; |
| 203 | document.getElementById("gravAlpha").textContent = "..."; |
| 204 | document.getElementById("gravBeta").textContent = "..."; |
| 205 | document.getElementById("gravGamma").textContent = "..."; |
| 206 | document.getElementById("gravTotal").textContent = "..."; |
| 207 | document.getElementById("gravX").textContent = "..."; |
| 208 | document.getElementById("gravY").textContent = "..."; |
| 209 | document.getElementById("gravZ").textContent = "..."; |
| 210 | //document.getElementById("gravRot").textContent = "..."; |
| 211 | }, |
| 212 | orientEvent: function(aOrientData) { |
| 213 | //document.getElementById("gravAbs").textContent = aOrientData.absolute; |
| 214 | document.getElementById("gravAlpha").textContent = |
| 215 | aOrientData.alpha.toFixed(1) + "°"; |
| 216 | document.getElementById("gravBeta").textContent = |
| 217 | aOrientData.beta.toFixed(1) + "°"; |
| 218 | document.getElementById("gravGamma").textContent = |
| 219 | aOrientData.gamma.toFixed(1) + "°"; |
| 220 | }, |
| 221 | motionEvent: function(aEvent) { |
| 222 | var gravTotal = |
| 223 | Math.sqrt(Math.pow(aEvent.accelerationIncludingGravity.x, 2) + |
| 224 | Math.pow(aEvent.accelerationIncludingGravity.y, 2) + |
| 225 | Math.pow(aEvent.accelerationIncludingGravity.z, 2)); |
| 226 | document.getElementById("gravTotal").textContent = |
| 227 | gravTotal.toFixed(2) + " m/s²"; |
| 228 | document.getElementById("gravX").textContent = |
| 229 | aEvent.accelerationIncludingGravity.x.toFixed(2) + " m/s²"; |
| 230 | document.getElementById("gravY").textContent = |
| 231 | aEvent.accelerationIncludingGravity.y.toFixed(2) + " m/s²"; |
| 232 | document.getElementById("gravZ").textContent = |
| 233 | aEvent.accelerationIncludingGravity.z.toFixed(2) + " m/s²"; |
| 234 | //document.getElementById("gravRot").textContent = aEvent.rotationRate; |
| 235 | }, |
| 236 | } |
| 237 | |
| 238 | var gModSound = { |
| 239 | activate: function() { |
| 240 | //gSounds.scan.play(); |
| 241 | if (navigator.getUserMedia && |
| 242 | (window.AudioContext || window.webkitAudioContext)) { |
| 243 | document.getElementById("soundunavail").style.display = "none"; |
| 244 | document.getElementById("soundavail").style.display = "block"; |
| 245 | navigator.getUserMedia({ audio: true }, |
| 246 | function(aLocalMediaStream) { |
| 247 | gModSound.mAudio.stream = aLocalMediaStream; |
| 248 | gModSound.mAudio.context = new (window.AudioContext || |
| 249 | window.webkitAudioContext)(); |
| 250 | gModSound.mAudio.input = |
| 251 | gModSound.mAudio.context.createMediaStreamSource(gModSound.mAudio.stream); |
| 252 | // Could put a filter in between like in http://webaudioapi.com/samples/microphone/ |
| 253 | gModSound.mDisplay.canvas = document.getElementById("soundcanvas"); |
| 254 | gModSound.mDisplay.context = gModSound.mDisplay.canvas.getContext("2d"); |
| 255 | gModSound.rebuildCanvas(); |
| 256 | }, |
| 257 | function(aError) { |
| 258 | document.getElementById("soundunavail").style.display = "block"; |
| 259 | document.getElementById("soundavail").style.display = "none"; |
| 260 | console.log(aError); |
| 261 | } |
| 262 | ); |
| 263 | } |
| 264 | else { |
| 265 | document.getElementById("soundunavail").style.display = "block"; |
| 266 | document.getElementById("soundavail").style.display = "none"; |
| 267 | } |
| 268 | }, |
| 269 | rebuildCanvas: function() { |
| 270 | if (gModSound.mDisplay.AFRequestID) { |
| 271 | window.cancelAnimationFrame(gModSound.mDisplay.AFRequestID); |
| 272 | gModSound.mDisplay.AFRequestID = 0; |
| 273 | } |
| 274 | gModSound.mDisplay.canvas.height = |
| 275 | document.getElementById("soundavail").clientHeight - 4; |
| 276 | gModSound.mDisplay.canvas.width = |
| 277 | document.getElementById("soundavail").clientWidth; |
| 278 | gModSound.mAudio.frequencySlices = (gModSound.mDisplay.canvas.width > 512) ? |
| 279 | 512 : |
| 280 | Math.pow(2, Math.floor(Math.log(gModSound.mDisplay.canvas.width) / Math.LN2)); |
| 281 | //console.log("slices: " + gModSound.mAudio.frequencySlices); |
| 282 | gModSound.mAudio.analyzer = gModSound.mAudio.context.createAnalyser(); |
| 283 | // Make the FFT four times as large as needed as the upper three quarters turn out to be useless. |
| 284 | gModSound.mAudio.analyzer.fftSize = gModSound.mAudio.frequencySlices * 4; |
| 285 | //console.log("FFT: " + gModSound.mAudio.analyzer.fftSize); |
| 286 | gModSound.mAudio.input.connect(gModSound.mAudio.analyzer); |
| 287 | gModSound.mDisplay.context.setTransform(1, 0, 0, |
| 288 | -(gModSound.mDisplay.canvas.height/256), |
| 289 | 0, gModSound.mDisplay.canvas.height); |
| 290 | gModSound.mDisplay.active = true; |
| 291 | gModSound.mDisplay.AFRequestID = |
| 292 | window.requestAnimationFrame(gModSound.paintAnalyzerFrame); |
| 293 | }, |
| 294 | mAudio: { |
| 295 | frequencySlices: 32, // Must be a multiple of 2 (see AnalyserNode.fftSize) |
| 296 | }, |
| 297 | mDisplay: { |
| 298 | active: false, |
| 299 | }, |
| 300 | paintAnalyzerFrame: function(aTimestamp) { |
| 301 | var data = new Uint8Array(gModSound.mAudio.frequencySlices); |
| 302 | gModSound.mAudio.analyzer.getByteFrequencyData(data); |
| 303 | gModSound.mDisplay.context.clearRect(0, 0, gModSound.mDisplay.canvas.width, |
| 304 | gModSound.mDisplay.canvas.height); |
| 305 | // Out of experience, only the first half of the slices are actually useful. |
| 306 | var wid = gModSound.mDisplay.canvas.width / gModSound.mAudio.frequencySlices; |
| 307 | var fill = "#9C9CFF"; |
| 308 | for (var i = 0; i < gModSound.mAudio.frequencySlices; ++i) { |
| 309 | var newFill = (data[i] > 200) ? "#FF0000" : |
| 310 | ((data[i] > 100) ? "#FFCF00" : "#9C9CFF"); |
| 311 | if (fill != newFill) { |
| 312 | gModSound.mDisplay.context.fillStyle = newFill; fill = newFill; |
| 313 | } |
| 314 | gModSound.mDisplay.context.fillRect(i*wid, 0, wid, data[i]); |
| 315 | } |
| 316 | if (gModSound.mDisplay.active) |
| 317 | gModSound.mDisplay.AFRequestID = |
| 318 | window.requestAnimationFrame(gModSound.paintAnalyzerFrame); |
| 319 | }, |
| 320 | resize: function() { |
| 321 | gModSound.rebuildCanvas(); |
| 322 | }, |
| 323 | deactivate: function() { |
| 324 | if (gModSound.mDisplay.active) { |
| 325 | gModSound.mAudio.stream.stop(); |
| 326 | gModSound.mDisplay.active = false; |
| 327 | } |
| 328 | gSounds.scan.pause(); |
| 329 | }, |
| 330 | } |
| 331 | |
| 332 | var gModEnv = { |
| 333 | activate: function() { |
| 334 | gSounds.scan.play(); |
| 335 | document.getElementById("envunavail").style.display = "none"; |
| 336 | document.getElementById("envavail").style.display = "block"; |
| 337 | window.addEventListener("devicelight", this.lightEvent, true); |
| 338 | window.addEventListener("deviceproximity", this.proxEvent, true); |
| 339 | setTimeout(function() { |
| 340 | if ((document.getElementById("envLight").textContent == "...") && |
| 341 | (document.getElementById("envDistance").textContent == "...")) { |
| 342 | gModEnv.deactivate(); |
| 343 | } |
| 344 | }, 5000); |
| 345 | try { |
| 346 | var cameras = navigator.mozCameras.getListOfCameras(); |
| 347 | for (i = 0; i < cameras.length; i++) { |
| 348 | var promise = navigator.mozCameras.getCamera(cameras[i], {}, |
| 349 | function(aCamera) { |
| 350 | if (aCamera.capabilities.flashModes.indexOf('torch') !== -1) { |
| 351 | gModEnv.foundFlashCamera(aCamera); |
| 352 | } |
| 353 | }, |
| 354 | function(aError) { console.log("camera error: " + aError); } |
| 355 | ); |
| 356 | } |
| 357 | } catch (e) { |
| 358 | // camera api not supported |
| 359 | document.getElementById("envFlashUnavail").style.display = "block"; |
| 360 | document.getElementById("envFlashAvail").style.display = "none"; |
| 361 | } |
| 362 | }, |
| 363 | foundFlashCamera: function(aCamera) { |
| 364 | this.flashCamera = aCamera; |
| 365 | document.getElementById("envFlashOn").onclick = |
| 366 | function() { console.log("on"); gModEnv.switchFlashlight(true); }; |
| 367 | document.getElementById("envFlashOff").onclick = |
| 368 | function() { console.log("off"); gModEnv.switchFlashlight(false); }; |
| 369 | document.getElementById("envFlashUnavail").style.display = "none"; |
| 370 | document.getElementById("envFlashAvail").style.display = "block"; |
| 371 | }, |
| 372 | deactivate: function() { |
| 373 | gSounds.scan.pause(); |
| 374 | window.removeEventListener("devicelight", this.lightEvent, true); |
| 375 | window.removeEventListener("deviceproximity", this.proxEvent, true); |
| 376 | document.getElementById("envunavail").style.display = "block"; |
| 377 | document.getElementById("envavail").style.display = "none"; |
| 378 | document.getElementById("envLight").textContent = "..."; |
| 379 | document.getElementById("envDistance").textContent = "..."; |
| 380 | }, |
| 381 | lightEvent: function(aLightData) { |
| 382 | // See http://www.w3.org/TR/ambient-light/ |
| 383 | document.getElementById("envLight").textContent = aLightData.value + " lux"; |
| 384 | }, |
| 385 | proxEvent: function(aProxData) { |
| 386 | // See http://www.w3.org/TR/2012/WD-proximity-20120712/ |
| 387 | if (aProxData.value >= aProxData.max) { |
| 388 | document.getElementById("envDistance").textContent = |
| 389 | "(maximum, >= " + aProxData.value + " cm)"; |
| 390 | } |
| 391 | else if (aProxData.value <= aProxData.min) { |
| 392 | document.getElementById("envDistance").textContent = |
| 393 | "(minimum, <= " + aProxData.value + " cm)"; |
| 394 | } |
| 395 | else { |
| 396 | document.getElementById("envDistance").textContent = |
| 397 | aProxData.value + " cm"; |
| 398 | } |
| 399 | }, |
| 400 | flashCamera: null, |
| 401 | switchFlashlight: function(aEnabled) { |
| 402 | if (this.flashCamera) { |
| 403 | this.flashCamera.flashMode = aEnabled ? 'torch' : 'off'; |
| 404 | document.getElementById("envFlashOn").disabled = aEnabled; |
| 405 | document.getElementById("envFlashOff").disabled = !aEnabled; |
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | var gModDev = { |
| 411 | activate: function() { |
| 412 | gSounds.scan.play(); |
| 413 | this.batteryTimer = |
| 414 | setInterval(function () { gModDev.updateBattery(); }, 100); |
| 415 | }, |
| 416 | deactivate: function() { |
| 417 | clearTimeout(this.batteryTimer); |
| 418 | gSounds.scan.pause(); |
| 419 | }, |
| 420 | updateBattery: function() { |
| 421 | document.getElementById("devBattLevel").textContent = |
| 422 | (navigator.battery.level * 100).toFixed(1) + "%"; |
| 423 | if (navigator.battery.charging) { |
| 424 | if (navigator.battery.chargingTime == 0 || |
| 425 | navigator.battery.chargingTime == Infinity) { |
| 426 | document.getElementById("devBattStatus").textContent = "charging"; |
| 427 | } |
| 428 | else { |
| 429 | document.getElementById("devBattStatus").textContent = |
| 430 | "charging, " + navigator.battery.chargingTime + "s remaining"; |
| 431 | } |
| 432 | } |
| 433 | else { |
| 434 | if (navigator.battery.dischargingTime == 0 || |
| 435 | navigator.battery.dischargingTime == Infinity) { |
| 436 | document.getElementById("devBattStatus").textContent = "discharging"; |
| 437 | } |
| 438 | else { |
| 439 | document.getElementById("devBattStatus").textContent = |
| 440 | navigator.battery.dischargingTime + "s usage remaining"; |
| 441 | } |
| 442 | } |
| 443 | }, |
| 444 | batteryTimer: null, |
| 445 | } |
| 446 | |
| 447 | var gModOther = { |
| 448 | activate: function() { |
| 449 | //gSounds.scan.play(); |
| 450 | }, |
| 451 | deactivate: function() { |
| 452 | gSounds.scan.pause(); |
| 453 | }, |
| 454 | } |
| 455 | |
| 456 | var gModNull = { |
| 457 | activate: function() { |
| 458 | //gSounds.scan.play(); |
| 459 | }, |
| 460 | deactivate: function() { |
| 461 | gSounds.scan.pause(); |
| 462 | }, |
| 463 | } |