1 files changed, 0 insertions, 146 deletions
diff --git a/static/js/pointer-events-polyfill.js b/static/js/pointer-events-polyfill.js
deleted file mode 100644
index bb6a77b..0000000
--- a/static/js/pointer-events-polyfill.js
+++ /dev/null
@@ -1,146 +0,0 @@
-(function() {
-    /* From http://stackoverflow.com/a/2401861/3164172 , modified by me */
-    navigator.browserInfo = (function() {
-        var newResult = function(name, version, full) {
-            var result = { name: "", version: "", full: "" };
-            result.name = (name || "").toLowerCase();
-            result.version = (version || "").toLowerCase();
-            result.full = (
-                full || (result.name + " " + result.version).trim()
-            ).toLowerCase();
-            return result;
-        };
-
-        var ua = navigator.userAgent, tem,
-        M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
-        if (/trident/i.test(M[1])) {
-            tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
-            return newResult("IE", tem[1]);
-        }
-        if (M[1] === "Chrome") {
-            tem = ua.match(/\b(OPR|Edge)\/(\d+)/);
-            if (tem != null) return newResult(
-                tem[1].replace("OPR", "Opera"),
-                tem[2],
-                tem.slice(1).join(" ").replace("OPR", "Opera")
-            );
-        }
-        M = M[2] ? [M[1], M[2]] : [navigator.appName, navigator.appVersion, "-?"];
-        if ((tem = ua.match(/version\/(\d+)/i))!= null) M.splice(1, 1, tem[1]);
-        return newResult(M[0], M[1], M.join(" ").trim());
-    })();
-
-    /* If browser and version is okay, don't apply polyfill */
-    /* TODO: Provide better way to check for CSS4 pointer-events support */
-    if (navigator.browserInfo.name === "firefox" &&
-        parseFloat(navigator.browserInfo.version) >= 38) {
-        console.log("Ignoring pointer events polyfill, browser is okay!");
-        return;
-    }
-
-    // Returns the pointer events for the specified element
-    var getPointerEventsStyle = function(element) {
-        var view, computedStyle, pointerEvents;
-        if (element && element.nodeType === Element.ELEMENT_NODE) {
-            view = document.defaultView || window;
-            if (view) {
-                computedStyle = view.getComputedStyle(element);
-                if (computedStyle &&
-                    typeof computedStyle.getPropertyValue === "function")
-                {
-                    pointerEvents =
-                        computedStyle.getPropertyValue("pointer-events");
-                }
-            }
-        }
-
-        return pointerEvents || undefined;
-    };
-
-    /* Adds listeners to follow the pointer-events css */
-    var attachPointerEventsPolyfill = function(node) {
-        var initialPointerEvents = getPointerEventsStyle(node);
-
-        // If no pointer events specified, do not attach listeners
-        if (!node || !initialPointerEvents) {
-            return;
-        } else {
-            console.log("Attaching pointer events to", node.nodeName);
-        };
-
-        var events = [
-            "click", "dblclick", "mousedown", "mouseup", "mouseover",
-            "mouseout", "mousemove", "drag", "dragstart", "dragend",
-            "dragleave", "dragover", "drop", "mousewheel", "scroll",
-            "contextmenu"
-        ];
-
-        var eventFunction = function(e) {
-            var pointerEvents = getPointerEventsStyle(node) || "auto";
-
-            // If no pointer events, cancel this mouse event
-            if (pointerEvents === "none") {
-                console.log("Cancelling event!");
-                e.preventDefault();
-            } else {
-                console.log("Not cancelling event!");
-            }
-        };
-
-        events.forEach(function(eventName) {
-            node.addEventListener(eventName, eventFunction, false);
-        });
-    };
-
-    var target = document.querySelector("body");
-
-    // Recursively attach handlers to nodes
-    function runPolyfill(node) {
-        if (!node) return;
-
-        var name = node.nodeName;
-
-        // Add pointer events to this node
-        try {
-            attachPointerEventsPolyfill(node);
-        } catch (ex) {
-            console.error("Failed to add pointer events to", name, ":", ex);
-        }
-
-        // Add pointer events to all child nodes
-        var childNodes = node.childNodes;
-        for (var i = 0; i < childNodes.length; ++i) {
-            runPolyfill(childNodes[i]);
-        }
-    }
-    runPolyfill(target);
-
-    var observer = new MutationObserver(function(mutations) {
-        mutations.forEach(function(mutation) {
-            var addedNodes = mutations.addedNodes;
-            if (addedNodes) {
-                for (var i = 0; i < addedNodes.length; ++i) {
-                    runPolyfill(addedNodes[i]);
-                }
-            }
-
-            var removedNodes = mutations.removedNodes;
-            if (removedNodes) {
-                for (var i = 0; i < removedNodes.length; ++i) {
-                    /* TODO: Remove listeners? */
-                }
-            }
-
-            // TODO: Handle addition/removal of pointer-events styling
-        });
-    });
-
-    var config = {
-        childList: true,
-        subtree: true
-    };
-
-    //observer.observe(target, config);
-    observer.observe(target, config);
-})();
-