1 files changed, 89 insertions, 0 deletions
diff --git a/extlib/leaflet/src/dom/transition/Transition.Native.js b/extlib/leaflet/src/dom/transition/Transition.Native.js
new file mode 100644
index 00000000..6ce16a67
--- /dev/null
+++ b/extlib/leaflet/src/dom/transition/Transition.Native.js
@@ -0,0 +1,89 @@
+/*
+ * L.Transition native implementation that powers Leaflet animation 
+ * in browsers that support CSS3 Transitions
+ */
+
+L.Transition = L.Transition.extend({
+	statics: (function() {
+		var transition = L.DomUtil.TRANSITION,
+			transitionEnd = (transition == 'webkitTransition' || transition == 'OTransition' ? 
+				transition + 'End' : 'transitionend');
+		
+		return {
+			NATIVE: !!transition,
+			
+			TRANSITION: transition,
+			PROPERTY: transition + 'Property',
+			DURATION: transition + 'Duration',
+			EASING: transition + 'TimingFunction',
+			END: transitionEnd,
+			
+			// transition-property value to use with each particular custom property
+			CUSTOM_PROPS_PROPERTIES: {
+				position: L.Browser.webkit ? L.DomUtil.TRANSFORM : 'top, left'
+			}
+		};
+	})(),
+	
+	options: {
+		fakeStepInterval: 100
+	},
+	
+	initialize: function(/*HTMLElement*/ el, /*Object*/ options) {
+		this._el = el;
+		L.Util.setOptions(this, options);
+
+		L.DomEvent.addListener(el, L.Transition.END, this._onTransitionEnd, this);
+		this._onFakeStep = L.Util.bind(this._onFakeStep, this);
+	},
+	
+	run: function(/*Object*/ props) {
+		var prop,
+			propsList = [],
+			customProp = L.Transition.CUSTOM_PROPS_PROPERTIES;
+		
+		for (prop in props) {
+			if (props.hasOwnProperty(prop)) {
+				prop = customProp[prop] ? customProp[prop] : prop;
+				prop = prop.replace(/([A-Z])/g, function(w) { return '-' + w.toLowerCase(); });
+				propsList.push(prop);
+			}
+		}
+		
+		this._el.style[L.Transition.DURATION] = this.options.duration + 's';
+		this._el.style[L.Transition.EASING] = this.options.easing;
+		this._el.style[L.Transition.PROPERTY] = propsList.join(', ');
+		
+		for (prop in props) {
+			if (props.hasOwnProperty(prop)) {
+				this._setProperty(prop, props[prop]);
+			}
+		}
+		
+		this._inProgress = true;
+		
+		this.fire('start');
+		
+		if (L.Transition.NATIVE) {
+			this._timer = setInterval(this._onFakeStep, this.options.fakeStepInterval);
+		} else {
+			this._onTransitionEnd();
+		}
+	},
+	
+	_onFakeStep: function() {
+		this.fire('step');
+	},
+	
+	_onTransitionEnd: function() {
+		if (this._inProgress) {
+			this._inProgress = false;
+			clearInterval(this._timer);
+			
+			this._el.style[L.Transition.PROPERTY] = 'none';
+		
+			this.fire('step');
+			this.fire('end');
+		}
+	}
+});
+\ No newline at end of file