fix webkit memory leak, closes #107

dist/leaflet.js

@@ -1,7 +1,7 @@
 /*
  Copyright (c) 2010-2011, CloudMade, Vladimir Agafonkin
- Leaflet is a BSD-licensed JavaScript library for map display and interaction.
+ Leaflet is a modern BSD-licensed JavaScript library for interactive maps. 
- See http://cloudmade.github.com/Leaflet/ for more information.
+ See http://leaflet.cloudmade.com for more information.
 */
 var L={VERSION:"0.2",ROOT_URL:function(){for(var a=document.getElementsByTagName("script"),b=/^(.*\/)leaflet-?([\w-]*)\.js.*$/,c=0,d=a.length;c<d;c++){var e=a[c].src;if(e=e&&e.match(b)){if(e[2]=="include")break;return e[1]}}return"../../dist/"}(),noConflict:function(){L=this._originalL;return this},_originalL:L};L.Util={extend:function(a){for(var b=Array.prototype.slice.call(arguments,1),c=0,d=b.length,e;c<d;c++){e=b[c]||{};for(var f in e)e.hasOwnProperty(f)&&(a[f]=e[f])}return a},bind:function(a,b){return function(){return a.apply(b,arguments)}},stamp:function(){var a=0;return function(b){b._leaflet_id=b._leaflet_id||++a;return b._leaflet_id}}(),limitExecByInterval:function(a,b,c){function d(){e=!1;f&&(g.callee.apply(c,g),f=!1)}var e,f,g;return function(){g=arguments;e?f=!0:(e=!0,setTimeout(d,b),a.apply(c,
 g))}},deferExecByInterval:function(a,b,c){function d(){f=!1;a.apply(c,e)}var e,f;return function(){e=arguments;f||(f=!0,setTimeout(d,b))}},falseFn:function(){return!1},formatNum:function(a,b){var c=Math.pow(10,b||5);return Math.round(a*c)/c},setOptions:function(a,b){a.options=L.Util.extend({},a.options,b)},getParamString:function(a){var b=[],c;for(c in a)a.hasOwnProperty(c)&&b.push(c+"="+a[c]);return"?"+b.join("&")}};L.Class=function(){};
@@ -38,7 +38,7 @@ g=Math.PI/2-2*Math.atan(d),h=15,i=0.1;Math.abs(i)>1.0E-7&&--h>0;)i=f*Math.sin(g)
 this._reset,this);if(this.options.updateWhenIdle)a.on("moveend",this._update,this);else this._limitedUpdate=L.Util.limitExecByInterval(this._update,100,this),a.on("move",this._limitedUpdate,this);this._reset();this._update()},onRemove:function(){this._map.getPanes().tilePane.removeChild(this._container);this._container=null;this._map.off("viewreset",this._reset,this);this.options.updateWhenIdle?this._map.off("moveend",this._update,this):this._map.off("move",this._limitedUpdate,this)},getAttribution:function(){return this.options.attribution},
 _initContainer:function(){var a=this._map.getPanes().tilePane;if(!this._container||a.empty)this._container=L.DomUtil.create("div","leaflet-layer",a),this.options.opacity<1&&L.DomUtil.setOpacity(this._container,this.options.opacity)},_reset:function(){this._tiles={};this._initContainer();this._container.innerHTML=""},_update:function(){var a=this._map.getPixelBounds(),b=this.options.tileSize,c=new L.Point(Math.floor(a.min.x/b),Math.floor(a.min.y/b)),a=new L.Point(Math.floor(a.max.x/b),Math.floor(a.max.y/
 b)),c=new L.Bounds(c,a);this._addTilesFromCenterOut(c);this.options.unloadInvisibleTiles&&this._removeOtherTiles(c)},_addTilesFromCenterOut:function(a){for(var b=[],c=a.getCenter(),d=a.min.y;d<=a.max.y;d++)for(var e=a.min.x;e<=a.max.x;e++)e+":"+d in this._tiles||b.push(new L.Point(e,d));b.sort(function(a,b){return a.distanceTo(c)-b.distanceTo(c)});this._tilesToLoad=b.length;a=0;for(d=this._tilesToLoad;a<d;a++)this._addTile(b[a])},_removeOtherTiles:function(a){var b,c,d;for(d in this._tiles)if(this._tiles.hasOwnProperty(d)&&
-(b=d.split(":"),c=parseInt(b[0],10),b=parseInt(b[1],10),c<a.min.x||c>a.max.x||b<a.min.y||b>a.max.y))this._tiles[d].parentNode==this._container&&this._container.removeChild(this._tiles[d]),delete this._tiles[d]},_addTile:function(a){var b=this._getTilePos(a),c=this._map.getZoom(),d=a.x+":"+a.y,e=1<<c;a.x=(a.x%e+e)%e;if(!(a.y<0||a.y>=e)){var f=this._createTile();L.DomUtil.setPosition(f,b);this._tiles[d]=f;if(this.options.scheme=="tms")a.y=e-a.y-1;this._loadTile(f,a,c);this._container.appendChild(f)}},
+(b=d.split(":"),c=parseInt(b[0],10),b=parseInt(b[1],10),c<a.min.x||c>a.max.x||b<a.min.y||b>a.max.y))this._tiles[d].src="",this._tiles[d].parentNode==this._container&&this._container.removeChild(this._tiles[d]),delete this._tiles[d]},_addTile:function(a){var b=this._getTilePos(a),c=this._map.getZoom(),d=a.x+":"+a.y,e=1<<c;a.x=(a.x%e+e)%e;if(!(a.y<0||a.y>=e)){var f=this._createTile();L.DomUtil.setPosition(f,b);this._tiles[d]=f;if(this.options.scheme=="tms")a.y=e-a.y-1;this._loadTile(f,a,c);this._container.appendChild(f)}},
 _getTilePos:function(a){var b=this._map.getPixelOrigin();return a.multiplyBy(this.options.tileSize).subtract(b)},getTileUrl:function(a,b){return this._url.replace("{s}",this.options.subdomains[(a.x+a.y)%this.options.subdomains.length]).replace("{z}",b).replace("{x}",a.x).replace("{y}",a.y)},_createTileProto:function(){this._tileImg=L.DomUtil.create("img","leaflet-tile");this._tileImg.galleryimg="no";var a=this.options.tileSize;this._tileImg.style.width=a+"px";this._tileImg.style.height=a+"px"},_createTile:function(){var a=
 this._tileImg.cloneNode(!1);a.onselectstart=a.onmousemove=L.Util.falseFn;return a},_loadTile:function(a,b,c){a._layer=this;a.onload=this._tileOnLoad;a.onerror=this._tileOnError;a.src=this.getTileUrl(b,c)},_tileOnLoad:function(){var a=this._layer;this.className+=" leaflet-tile-loaded";a.fire("tileload",{tile:this,url:this.src});a._tilesToLoad--;a._tilesToLoad||a.fire("load")},_tileOnError:function(){var a=this._layer;a.fire("tileerror",{tile:this,url:this.src});if(a=a.options.errorTileUrl)this.src=
 a}});L.TileLayer.WMS=L.TileLayer.extend({defaultWmsParams:{service:"WMS",request:"GetMap",version:"1.1.1",layers:"",styles:"",format:"image/jpeg",transparent:!1},initialize:function(a,b){this._url=a;this.wmsParams=L.Util.extend({},this.defaultWmsParams);this.wmsParams.width=this.wmsParams.height=this.options.tileSize;for(var c in b)this.options.hasOwnProperty(c)||(this.wmsParams[c]=b[c]);L.Util.setOptions(this,b)},onAdd:function(a){this.wmsParams[parseFloat(this.wmsParams.version)>=1.3?"crs":"srs"]=a.options.crs.code;

src/layer/tile/TileLayer.js

@@ -139,6 +139,7 @@ L.TileLayer = L.Class.extend({
 				
 				// remove tile if it's out of bounds
 				if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) {
+					this._tiles[key].src = '';
 					if (this._tiles[key].parentNode == this._container) {
 						this._container.removeChild(this._tiles[key]);
 					}