X-Git-Url: https://git-public.kairo.at/?p=lantea.git;a=blobdiff_plain;f=js%2Fmap.js;h=b63aea5fe1272ffd773cc4464cc02781765b6e4b;hp=024eaf4e655b9a9f34df5e227070bfc87678b716;hb=ba819f24b220ff62afb6ecdb5ff7727631c1d1b5;hpb=d7310ee2c8b72539147c6879be811a960fd2938a diff --git a/js/map.js b/js/map.js index 024eaf4..b63aea5 100644 --- a/js/map.js +++ b/js/map.js @@ -14,34 +14,68 @@ var gCurLocColor = "#A00000"; var gMapStyles = { // OSM tile usage policy: http://wiki.openstreetmap.org/wiki/Tile_usage_policy // Find some more OSM ones at http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames#Tile_servers + // and http://wiki.openstreetmap.org/wiki/Tiles or http://wiki.openstreetmap.org/wiki/TMS osm_mapnik: {name: "OpenStreetMap (Mapnik)", - url: "http://tile.openstreetmap.org/{z}/{x}/{y}.png", + url: "https://[a-c].tile.openstreetmap.org/{z}/{x}/{y}.png", copyright: 'Map data and imagery © OpenStreetMap contributors, ODbL/CC-BY-SA'}, osm_cyclemap: {name: "Cycle Map (OSM)", - url: "http://[a-c].tile.opencyclemap.org/cycle/{z}/{x}/{y}.png", + url: "https://[a-c].tile.thunderforest.com/cycle/{z}/{x}/{y}.png", // "http://[a-c].tile.opencyclemap.org/cycle/{z}/{x}/{y}.png", copyright: 'Map data and imagery © OpenStreetMap contributors, ODbL/CC-BY-SA'}, osm_transmap: {name: "Transport Map (OSM)", - url: "http://[a-c].tile2.opencyclemap.org/transport/{z}/{x}/{y}.png", + url: "https://[a-c].tile.thunderforest.com/transport/{z}/{x}/{y}.png", // "http://[a-c].tile2.opencyclemap.org/transport/{z}/{x}/{y}.png", copyright: 'Map data and imagery © OpenStreetMap contributors, ODbL/CC-BY-SA'}, + osm_germany: + {name: "OSM German Style", + url: "https://tilecache[1-4].kairo.at/osmde/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://[a-d].tile.openstreetmap.de/tiles/osmde/{z}/{x}/{y}.png", // https is not supported at all + copyright: 'Map data and imagery © OpenStreetMap contributors, ODbL/CC-BY-SA'}, + oepnvkarte: + {name: "ÖPNV-Karte (OSM)", + url: "https://tilecache[1-4].kairo.at/oepnv/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://tileserver.memomaps.de/tilegen/{z}/{x}/{y}.png", // memomaps.de does not support CORS or https at this time :( + copyright: 'Map data © OpenStreetMap contributors, ODbL/CC-BY-SA, tiles by MeMoMaps under CC-BY-SA.'}, mapquest_open: {name: "MapQuest OSM", - url: "http://otile[1-4].mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.png", - copyright: 'Map data © OpenStreetMap and contributors (ODbL/CC-BY-SA), tiles Courtesy of MapQuest.'}, + url: "https://tilecache[1-4].kairo.at/mapqosm/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://otile[1-4].mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.png", // https has wrong cert, akamai instead of mqcdn + copyright: 'Map data © OpenStreetMap and contributors (ODbL/CC-BY-SA), tiles courtesy of MapQuest.'}, mapquest_aerial: {name: "MapQuest Open Aerial", - url: "http://otile[1-4].mqcdn.com/tiles/1.0.0/sat/{z}/{x}/{y}.jpg", + url: "https://tilecache[1-4].kairo.at/mapqsat/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://otile[1-4].mqcdn.com/tiles/1.0.0/sat/{z}/{x}/{y}.jpg", copyright: 'Tiles Courtesy of MapQuest, portions Courtesy NASA/JPL-Caltech and U.S. Depart. of Agriculture, Farm Service Agency.'}, - opengeoserver_arial: - {name: "OpenGeoServer Aerial", - url: "http://services.opengeoserver.org/tiles/1.0.0/globe.aerial_EPSG3857/{z}/{x}/{y}.png?origin=nw", - copyright: 'Tiles by OpenGeoServer.org, CC-BY 3.0 AT.'}, - google_map: - {name: "Google Maps", - url: " http://mt1.google.com/vt/x={x}&y={y}&z={z}", - copyright: 'Map data and imagery © Google'}, + osm_hot: + {name: "OSM HOT style", + url: "https://tilecache[1-4].kairo.at/osmhot/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://[a-c].tile.openstreetmap.fr/hot/{z}/{x}/{y}.png", // https has CAcert which doesn't work in browsers + copyright: 'Map data and imagery © OpenStreetMap contributors, ODbL/CC-BY-SA'}, + hikebike: + {name: "Hike and Bike (OSM)", + url: "https://tilecache[1-4].kairo.at/hikebike/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://toolserver.org/tiles/hikebike/{z}/{x}/{y}.png", // toolserver.org does not support CORS at this time :( + copyright: 'Map data and imagery © OpenStreetMap contributors, ODbL/CC-BY-SA'}, + outdoors: + {name: "Outdoors (OSM)", + url: "https://[a-c].tile.thunderforest.com/outdoors/{z}/{x}/{y}.png", // url: "http://[a-c].tile.opencyclemap.org/outdoors/{z}/{x}/{y}.png", + copyright: 'Map data © OpenStreetMap and contributors (ODbL/CC-BY-SA), tiles by Thunderforest.'}, + stamen_toner: + {name: "Stamen Toner (B+W)", + url: "https://tilecache[1-4].kairo.at/toner/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://[a-c].tile.stamen.com/toner/{z}/{x}/{y}.jpg", // https has wrong cert, .ssl.fastly.net instead of .tile.stamen.com + copyright: 'Map data © OpenStreetMap contributors, ODbL/CC-BY-SA, tiles by Stamen Design, under CC BY 3.0.'}, + stamen_terrain: + {name: "Stamen Terrain (USA only)", + url: "https://tilecache[1-4].kairo.at/terrain/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://[a-c].tile.stamen.com/terrain/{z}/{x}/{y}.jpg", // https has wrong cert, .ssl.fastly.net instead of .tile.stamen.com + copyright: 'Map data © OpenStreetMap contributors, ODbL/CC-BY-SA, tiles by Stamen Design, under CC BY 3.0.'}, + stamen_watercolor: + {name: "Stamen Watercolor (artistic)", + url: "https://tilecache[1-4].kairo.at/watercolor/{z}/{x}/{y}.png", // route through CORS+SSL tilecache @ kairo.at + //url: "http://[a-c].tile.stamen.com/watercolor/{z}/{x}/{y}.jpg", // https has wrong cert, .ssl.fastly.net instead of .tile.stamen.com + copyright: 'Map data © OpenStreetMap contributors, ODbL/CC-BY-SA, tiles by Stamen Design, under CC BY 3.0.'}, }; var gLastMouseX = 0; @@ -54,7 +88,7 @@ var gMapPrefsLoaded = false; var gDragging = false; var gDragTouchID, gPinchStartWidth; -var gGeoWatchID; +var gGeoWatchID, gGPSWakeLock; var gTrack = []; var gLastTrackPoint, gLastDrawnPoint; var gCenterPosition = true; @@ -72,15 +106,21 @@ function initMap() { gGLMapCanvas.getContext("experimental-webgl", {depth: false}); } catch(e) {} - // If we don't have a GL context, give up now if (!gMap.gl) { + // If we don't have a GL context, give up now showGLWarningDialog(); gMap.gl = null; } + else { + // GL context can be lost at any time, handle that. + // See http://www.khronos.org/webgl/wiki/HandlingContextLost + gGLMapCanvas.addEventListener("webglcontextlost", + gMap.handleContextLost, false); + gGLMapCanvas.addEventListener("webglcontextrestored", + gMap.handleContextRestored, false); + } gTrackCanvas = document.getElementById("track"); gTrackContext = gTrackCanvas.getContext("2d"); - if (!gMap.activeMap) - gMap.activeMap = "osm_mapnik"; //gDebug = true; if (gDebug) { @@ -121,17 +161,19 @@ function loadPrefs(aEvent) { document.getElementById("body").addEventListener("keydown", mapEvHandler, false); + document.addEventListener("visibilitychange", visibilityEvHandler, false); + console.log("Events added."); - document.getElementById("copyright").innerHTML = - gMapStyles[gMap.activeMap].copyright; + console.log("Init loading tile..."); gLoadingTile = new Image(); - gLoadingTile.src = "style/loading.png"; gLoadingTile.onload = function() { - console.log("Loading Tile loaded."); + console.log("Loading tile loaded."); var throwEv = new CustomEvent("prefload-done"); gAction.dispatchEvent(throwEv); }; + console.log("Set loading tile..."); + gLoadingTile.src = "style/loading.png"; } } else { @@ -139,6 +181,21 @@ function loadPrefs(aEvent) { gAction.removeEventListener(aEvent.type, loadPrefs, false); gAction.addEventListener("prefs-step", loadPrefs, false); gWaitCounter++; + gPrefs.get("active_map_style", function(aValue) { + if (aValue && gMapStyles[aValue]) { + gMap.activeMap = aValue; + } + else { + gMap.activeMap = "osm_mapnik"; + } + document.getElementById("mapSelector").value = gMap.activeMap; + document.getElementById("copyright").innerHTML = + gMapStyles[gMap.activeMap].copyright; + gWaitCounter--; + var throwEv = new CustomEvent("prefs-step"); + gAction.dispatchEvent(throwEv); + }); + gWaitCounter++; gPrefs.get("position", function(aValue) { if (aValue && aValue.x && aValue.y && aValue.z) { gMap.pos = aValue; @@ -149,10 +206,12 @@ function loadPrefs(aEvent) { }); gWaitCounter++; gPrefs.get("center_map", function(aValue) { - if (aValue === undefined) + if (aValue === undefined) { document.getElementById("centerCheckbox").checked = true; - else + } + else { document.getElementById("centerCheckbox").checked = aValue; + } setCentering(document.getElementById("centerCheckbox")); gWaitCounter--; var throwEv = new CustomEvent("prefs-step"); @@ -160,10 +219,12 @@ function loadPrefs(aEvent) { }); gWaitCounter++; gPrefs.get("tracking_enabled", function(aValue) { - if (aValue === undefined) + if (aValue === undefined) { document.getElementById("trackCheckbox").checked = true; - else + } + else { document.getElementById("trackCheckbox").checked = aValue; + } gWaitCounter--; var throwEv = new CustomEvent("prefs-step"); gAction.dispatchEvent(throwEv); @@ -175,11 +236,14 @@ function loadPrefs(aEvent) { if (aTPoint) { // Add in front and return new length. var tracklen = gTrack.unshift(aTPoint); - // Redraw track periodically, larger distance the longer it gets. + // Redraw track periodically, larger distance the longer it gets + // (but clamped to the first value over a certain limit). // Initial paint will do initial track drawing. if (tracklen % redrawBase == 0) { drawTrack(); - redrawBase = tracklen; + if (redrawBase < 1000) { + redrawBase = tracklen; + } } } else { @@ -319,8 +383,13 @@ var gMap = { gMap.glTxCleanIntervalID = window.setInterval(gMap.cleanTextures, 30 * 1000); } - var throwEv = new CustomEvent("mapinit-done"); - gAction.dispatchEvent(throwEv); + if (!gAppInitDone) { + // We may be called when context was lost and destroyed, + // only send event when we are in app startup + // (gAppInitDone is set to true right after we return this event). + var throwEv = new CustomEvent("mapinit-done"); + gAction.dispatchEvent(throwEv); + } }, draw: function() { @@ -362,7 +431,9 @@ var gMap = { var imgObj = new Image(); imgObj.onload = function() { gMap.loadImageToTexture(imgObj, aTileKey); - window.requestAnimationFrame(function(aTimestamp) { gMap.drawGL() }); + if (document.hidden != true) { // Only draw if we're actually visible. + window.requestAnimationFrame(function(aTimestamp) { gMap.drawGL() }); + } URL.revokeObjectURL(imgURL); } imgObj.src = imgURL; @@ -371,7 +442,9 @@ var gMap = { } } } - window.requestAnimationFrame(function(aTimestamp) { gMap.drawGL() }); + if (document.hidden != true) { // Only draw if we're actually visible. + window.requestAnimationFrame(function(aTimestamp) { gMap.drawGL() }); + } }, drawGL: function() { @@ -476,8 +549,8 @@ var gMap = { y: Math.ceil((gMap.pos.y + gMap.baseDim.ht / 2) / gMap.baseDim.tsize) + 1, z: gMap.pos.z}); console.log("In range: " + tMin.x + "," + tMin.y + "," + tMin.z + " - " + tMax.x + "," + tMax.y + "," + tMax.z); - for (aTileKey in gMap.glTextures) { - var keyMatches = aTileKey.match(/([^:]+)::(\d+),(\d+),(\d+)/); + for (var tileKey in gMap.glTextures) { + var keyMatches = tileKey.match(/([^:]+)::(\d+),(\d+),(\d+)/); if (keyMatches && keyMatches[1] != "loading") { var txData = { style: keyMatches[1], @@ -504,15 +577,27 @@ var gMap = { } if (delTx) { // Delete texture from GL and from the array we are holding. - gMap.gl.deleteTexture(gMap.glTextures[aTileKey]); - delete gMap.glTextures[aTileKey]; + gMap.gl.deleteTexture(gMap.glTextures[tileKey]); + delete gMap.glTextures[tileKey]; } } } - console.log("Cleaning complete, " + Object.keys(gMap.glTextures).length + " textures left)"); - //clearInterval(gMap.glTxCleanIntervalID); + console.log("Cleaning complete, " + Object.keys(gMap.glTextures).length + " textures left"); } }, + + handleContextLost: function(event) { + event.preventDefault(); + // GL context is gone, let's reset everything that depends on it. + clearInterval(gMap.glTxCleanIntervalID); + gMap.glTextures = {}; + }, + + handleContextRestored: function(event) { + // When GL context is back, init GL again and draw. + gMap.initGL(); + gMap.draw(); + }, } // Using scale(x, y) together with drawing old data on scaled canvas would be an improvement for zooming. @@ -562,10 +647,13 @@ function setMapStyle() { var mapSel = document.getElementById("mapSelector"); if (mapSel.selectedIndex >= 0 && gMap.activeMap != mapSel.value) { gMap.activeMap = mapSel.value; + gPrefs.set("active_map_style", gMap.activeMap); document.getElementById("copyright").innerHTML = gMapStyles[gMap.activeMap].copyright; - showUI(); - gMap.draw(); + if (!gWaitCounter) { // Only do this when prefs are loaded already. + showUI(); + gMap.draw(); + } } } @@ -618,13 +706,15 @@ function decodeIndex(encodedIdx) { } function drawTrack() { - gLastDrawnPoint = null; - gCurPosMapCache = undefined; - gTrackContext.clearRect(0, 0, gTrackCanvas.width, gTrackCanvas.height); - if (gTrack.length) { - for (var i = 0; i < gTrack.length; i++) { - drawTrackPoint(gTrack[i].coords.latitude, gTrack[i].coords.longitude, - (i + 1 >= gTrack.length)); + if (gTrackContext && (document.hidden != true)) { // Only draw if we're actually visible. + gLastDrawnPoint = null; + gCurPosMapCache = undefined; + gTrackContext.clearRect(0, 0, gTrackCanvas.width, gTrackCanvas.height); + if (gTrack.length) { + for (var i = 0; i < gTrack.length; i++) { + drawTrackPoint(gTrack[i].coords.latitude, gTrack[i].coords.longitude, + (i + 1 >= gTrack.length || gTrack[i+1].beginSegment)); + } } } } @@ -643,22 +733,23 @@ function drawTrackPoint(aLatitude, aLongitude, lastPoint) { gTrackContext.lineCap = "round"; gTrackContext.lineJoin = "round"; } + // This breaks optimiziation, so make sure to reset optimization. if (!gLastDrawnPoint || gLastDrawnPoint == trackpoint) { - // This breaks optimiziation, so make sure to close path and reset optimization. - if (gLastDrawnPoint && gLastDrawnPoint.optimized) + trackpoint.optimized = false; + // Close path if one was open. + if (gLastDrawnPoint && gLastDrawnPoint.optimized) { gTrackContext.stroke(); + } + } + if (!gLastDrawnPoint || (gLastDrawnPoint == trackpoint) || !gLastDrawnPoint.optimized) { + // Start drawing a segment. gTrackContext.beginPath(); - trackpoint.optimized = false; gTrackContext.arc(mappos.x, mappos.y, gTrackContext.lineWidth, 0, Math.PI * 2, false); gTrackContext.fill(); } else { - if (!gLastDrawnPoint || !gLastDrawnPoint.optimized) { - gTrackContext.beginPath(); - gTrackContext.moveTo(Math.round((gLastDrawnPoint.x - gMap.pos.x) / gMap.zoomFactor + gMap.width / 2), - Math.round((gLastDrawnPoint.y - gMap.pos.y) / gMap.zoomFactor + gMap.height / 2)); - } + // Continue drawing segment, close if needed. gTrackContext.lineTo(mappos.x, mappos.y); if (!trackpoint.optimized) gTrackContext.stroke(); @@ -702,6 +793,54 @@ function undrawCurrentLocation() { } } +function calcTrackDuration() { + // Get the duration of the track in s. + var tDuration = 0; + if (gTrack.length > 1) { + for (var i = 1; i < gTrack.length; i++) { + if (!gTrack[i].beginSegment) { + tDuration += (gTrack[i].time - gTrack[i-1].time); + } + } + } + return Math.round(tDuration / 1000); // The timestamps are in ms but we return seconds. +} + +function calcTrackLength() { + // Get the length of the track in km. + var tLength = 0; + if (gTrack.length > 1) { + for (var i = 1; i < gTrack.length; i++) { + if (!gTrack[i].beginSegment) { + tLength += getPointDistance(gTrack[i-1].coords, gTrack[i].coords); + } + } + } + return tLength; +} + +function getPointDistance(aGPSPoint1, aGPSPoint2) { + // Get the distance in km between the two given GPS points. + // See http://stackoverflow.com/questions/365826/calculate-distance-between-2-gps-coordinates + // Earth is almost exactly a sphere and we calculate small distances on the surface, so we can do spherical great-circle math. + // Also see http://en.wikipedia.org/wiki/Great-circle_distance + var R = 6371; // km + var dLat = deg2rad(aGPSPoint2.latitude - aGPSPoint1.latitude); + var dLon = deg2rad(aGPSPoint2.longitude - aGPSPoint1.longitude); + var lat1 = deg2rad(aGPSPoint1.latitude); + var lat2 = deg2rad(aGPSPoint2.latitude); + + var a = Math.sin(dLat/2) * Math.sin(dLat/2) + + Math.sin(dLon/2) * Math.sin(dLon/2) * Math.cos(lat1) * Math.cos(lat2); + var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a)); + return R * c; +} + +function deg2rad(aDegreeValue) { + // Convert an angle in degrees to radiants. + return aDegreeValue * (Math.PI / 180); +} + var mapEvHandler = { handleEvent: function(aEvent) { var touchEvent = aEvent.type.indexOf('touch') != -1; @@ -722,12 +861,12 @@ var mapEvHandler = { // Bail out if the started touch can't be found. if (touchEvent && gDragging && - !aEvent.changedTouches.identifiedTouch(gDragTouchID)) + !aEvent.targetTouches.item(0)) return; } var coordObj = touchEvent ? - aEvent.changedTouches.identifiedTouch(gDragTouchID) : + aEvent.targetTouches.item(0) : aEvent; switch (aEvent.type) { @@ -742,8 +881,7 @@ var mapEvHandler = { aEvent.targetTouches.item(0).clientY, 2) ); } - gDragTouchID = aEvent.changedTouches.item(0).identifier; - coordObj = aEvent.changedTouches.identifiedTouch(gDragTouchID); + coordObj = aEvent.targetTouches.item(0); } var x = coordObj.clientX - gGLMapCanvas.offsetLeft; var y = coordObj.clientY - gGLMapCanvas.offsetTop; @@ -933,6 +1071,15 @@ var mapEvHandler = { } }; +function visibilityEvHandler() { + // Immediately draw if we just got visible. + if (document.hidden != true) { + gMap.draw(); + } + // No need to handle the event where we become invisible as we care only draw + // when we are visible anyhow. +} + var geofake = { tracking: false, lastPos: {x: undefined, y: undefined}, @@ -984,6 +1131,9 @@ function startTracking() { if (gGeolocation) { gActionLabel.textContent = "Establishing Position"; gAction.style.display = "block"; + if (navigator.requestWakeLock) { + gGPSWakeLock = navigator.requestWakeLock("gps"); + } gGeoWatchID = gGeolocation.watchPosition( function(position) { if (gActionLabel.textContent) { @@ -1039,6 +1189,10 @@ function endTracking() { gActionLabel.textContent = ""; gAction.style.display = "none"; } + if (navigator.requestWakeLock && gGPSWakeLock) { + console.log("releasing WakeLock"); + gGPSWakeLock.unlock(); + } if (gGeoWatchID) { gGeolocation.clearWatch(gGeoWatchID); } @@ -1076,8 +1230,9 @@ var gTileService = { .replace("{x}", norm.x) .replace("{y}", norm.y) .replace("{z}", norm.z) - .replace("[a-c]", String.fromCharCode(97 + Math.floor(Math.random() * 2))) - .replace("[1-4]", 1 + Math.floor(Math.random() * 3)), + .replace("[a-c]", String.fromCharCode(97 + Math.floor(Math.random() * 3))) + .replace("[a-d]", String.fromCharCode(97 + Math.floor(Math.random() * 4))) + .replace("[1-4]", 1 + Math.floor(Math.random() * 4)), true); XHR.responseType = "blob"; XHR.addEventListener("load", function () { @@ -1150,11 +1305,13 @@ var gTileService = { var request = transaction.objectStore(this.objStore).clear(); request.onsuccess = function(event) { success = true; + console.log("Cache cleared."); if (aCallback) aCallback(success, event); }; request.onerror = function(event) { // Errors can be handled here. + console.log("Error clearing cache!"); if (aCallback) aCallback(success, event); }