make buttons, etc. bigger when on a touch-enabled device (Mozilla-specific right...

[lantea.git] / js / map.js

diff --git a/js/map.js b/js/map.js
index 8ebb14a88416e31d86ec64ca5117a2b524cffb50..69993243a3a6568a673bb7412fef3b92b9313db0 100644 (file)
--- a/js/map.js
+++ b/js/map.js
@@ -2,7 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-var gCanvas, gContext;
+var gCanvas, gContext, gGeolocation;
+var gDebug = false;
 
 var gTileSize = 256;
 var gMaxZoom = 18; // The minimum is 0.
@@ -49,7 +50,7 @@ var gLoadingTile;
 var gMapPrefsLoaded = false;
 
 var gDragging = false;
-var gZoomTouchID;
+var gDragTouchID;
 
 var gGeoWatchID;
 var gTrack = [];
@@ -57,11 +58,22 @@ var gLastTrackPoint;
 var gCenterPosition = true;
 
 function initMap() {
+  gGeolocation = navigator.geolocation;
   gCanvas = document.getElementById("map");
   gContext = gCanvas.getContext("2d");
   if (!gActiveMap)
     gActiveMap = "osm_mapnik";
 
+  //gDebug = true;
+  if (gDebug) {
+    gGeolocation = geofake;
+    var hiddenList = document.getElementsByClassName("debugHide");
+    // last to first - list of elements with that class is changing!
+    for (var i = hiddenList.length - 1; i >= 0; i--) {
+      hiddenList[i].classList.remove("debugHide");
+    }
+  }
+
   var loopCnt = 0;
   var getPersistentPrefs = function() {
     if (mainDB) {
@@ -119,11 +131,11 @@ function initMap() {
 }
 
 function resizeAndDraw() {
-  var viewportWidth = window.innerWidth;
-  var viewportHeight = window.innerHeight;
+  var viewportWidth = Math.min(window.innerWidth, window.outerWidth);
+  var viewportHeight = Math.min(window.innerHeight, window.outerHeight);
 
-  var canvasWidth = viewportWidth * 0.98;
-  var canvasHeight = (viewportHeight - 100) * 0.98;
+  var canvasWidth = viewportWidth - 2;
+  var canvasHeight = viewportHeight - 2;
   gCanvas.style.position = "fixed";
   gCanvas.width = canvasWidth;
   gCanvas.height = canvasHeight;
@@ -308,21 +320,21 @@ var mapEvHandler = {
         return;
 
       // Bail out if the started touch can't be found.
-      if (touchEvent && zoomstart &&
-          !aEvent.changedTouches.identifiedTouch(gZoomTouchID))
+      if (touchEvent && gDragging &&
+          !aEvent.changedTouches.identifiedTouch(gDragTouchID))
         return;
     }
 
     var coordObj = touchEvent ?
-                   aEvent.changedTouches.identifiedTouch(gZoomTouchID) :
+                   aEvent.changedTouches.identifiedTouch(gDragTouchID) :
                    aEvent;
 
     switch (aEvent.type) {
       case "mousedown":
       case "touchstart":
         if (touchEvent) {
-          zoomTouchID = aEvent.changedTouches.item(0).identifier;
-          coordObj = aEvent.changedTouches.identifiedTouch(gZoomTouchID);
+          gDragTouchID = aEvent.changedTouches.item(0).identifier;
+          coordObj = aEvent.changedTouches.identifiedTouch(gDragTouchID);
         }
         var x = coordObj.clientX - gCanvas.offsetLeft;
         var y = coordObj.clientY - gCanvas.offsetTop;
@@ -400,14 +412,24 @@ var mapEvHandler = {
 
 var geofake = {
   tracking: false,
+  lastPos: {x: undefined, y: undefined},
   watchPosition: function(aSuccessCallback, aErrorCallback, aPrefObject) {
     this.tracking = true;
     var watchCall = function() {
+      // calc new position in lat/lon degrees
+      // 90° on Earth surface are ~10,000 km at the equator,
+      // so try moving at most 10m at a time
+      if (geofake.lastPos.x)
+        geofake.lastPos.x += (Math.random() - .5) * 90 / 1000000
+      else
+        geofake.lastPos.x = 48.208174
+      if (geofake.lastPos.y)
+        geofake.lastPos.y += (Math.random() - .5) * 90 / 1000000
+      else
+        geofake.lastPos.y = 16.373819
       aSuccessCallback({timestamp: Date.now(),
-                        coords: {latitude: 48.208174 +
-                                           (Math.random() - .5) / 5,
-                                 longitude: 16.373819 +
-                                            (Math.random() - .5) / 5,
+                        coords: {latitude: geofake.lastPos.x,
+                                 longitude: geofake.lastPos.y,
                                  accuracy: 20}});
       if (geofake.tracking)
         setTimeout(watchCall, 1000);
@@ -440,7 +462,8 @@ function startTracking() {
   var getStoredTrack = function() {
     if (mainDB)
       gTrackStore.getList(function(aTPoints) {
-        //document.getElementById("debug").textContent = aTPoints.length + " points loaded.";
+        if (gDebug)
+          document.getElementById("debug").textContent = aTPoints.length + " points loaded.";
         if (aTPoints.length) {
           gTrack = aTPoints;
         }
@@ -452,16 +475,21 @@ function startTracking() {
       return;
   };
   getStoredTrack();
-  if (navigator.geolocation) {
-    //gGeoWatchID = geofake.watchPosition(
-    gGeoWatchID = navigator.geolocation.watchPosition(
+  if (gGeolocation) {
+    gGeoWatchID = gGeolocation.watchPosition(
       function(position) {
         // Coords spec: https://developer.mozilla.org/en/XPCOM_Interface_Reference/NsIDOMGeoPositionCoords
         var tPoint = {time: position.timestamp,
-                      coords: position.coords,
+                      coords: {latitude: position.coords.latitude,
+                               longitude: position.coords.longitude,
+                               altitude: position.coords.altitude,
+                               accuracy: position.coords.accuracy,
+                               altitudeAccuracy: position.coords.altitudeAccuracy,
+                               heading: position.coords.heading,
+                               speed: position.coords.speed},
                       beginSegment: !gLastTrackPoint};
         gTrack.push(tPoint);
-        gTrackStore.push(tPoint);
+        try { gTrackStore.push(tPoint); } catch(e) {}
         drawTrackPoint(position.coords.latitude, position.coords.longitude);
         if (gCenterPosition) {
           var posCoord = gps2xy(position.coords.latitude,
@@ -486,8 +514,7 @@ function startTracking() {
 
 function endTracking() {
   if (gGeoWatchID) {
-    //geofake.clearWatch(gGeoWatchID);
-    navigator.geolocation.clearWatch(gGeoWatchID);
+    gGeolocation.clearWatch(gGeoWatchID);
   }
 }