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// Copyright (c) 2013 The Polymer Authors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"undefined"==typeof WeakMap&&!function(){var a=Object.defineProperty,b=Date.now()%1e9,c=function(){this.name="__st"+(1e9*Math.random()>>>0)+(b++ +"__")};c.prototype={set:function(b,c){var d=b[this.name];d&&d[0]===b?d[1]=c:a(b,this.name,{value:[b,c],writable:!0})},get:function(a){var b;return(b=a[this.name])&&b[0]===a?b[1]:void 0},"delete":function(a){this.set(a,void 0)}},window.WeakMap=c}(),function(a){a=a||{},a.external=a.external||{};var b={shadow:function(a){return a?a.shadowRoot||a.webkitShadowRoot:void 0},canTarget:function(a){return a&&Boolean(a.elementFromPoint)},targetingShadow:function(a){var b=this.shadow(a);return this.canTarget(b)?b:void 0},olderShadow:function(a){var b=a.olderShadowRoot;if(!b){var c=a.querySelector("shadow");c&&(b=c.olderShadowRoot)}return b},allShadows:function(a){for(var b=[],c=this.shadow(a);c;)b.push(c),c=this.olderShadow(c);return b},searchRoot:function(a,b,c){if(a){var d,e,f=a.elementFromPoint(b,c);for(e=this.targetingShadow(f);e;){if(d=e.elementFromPoint(b,c)){var g=this.targetingShadow(d);return this.searchRoot(g,b,c)||d}e=this.olderShadow(e)}return f}},owner:function(a){for(var b=a;b.parentNode;)b=b.parentNode;return b.nodeType!=Node.DOCUMENT_NODE&&b.nodeType!=Node.DOCUMENT_FRAGMENT_NODE&&(b=document),b},findTarget:function(a){var b=a.clientX,c=a.clientY,d=this.owner(a.target);return d.elementFromPoint(b,c)||(d=document),this.searchRoot(d,b,c)}};a.targetFinding=b,a.findTarget=b.findTarget.bind(b),window.PointerEventsPolyfill=a}(window.PointerEventsPolyfill),function(){function a(a){return"body ^^ "+b(a)}function b(a){return'[touch-action="'+a+'"]'}function c(a){return"{ -ms-touch-action: "+a+"; touch-action: "+a+"; touch-action-delay: none; }"}var d=["none","auto","pan-x","pan-y",{rule:"pan-x pan-y",selectors:["pan-x pan-y","pan-y 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a.concat(e(b))},installOnLoad:function(){document.addEventListener("DOMContentLoaded",this.installNewSubtree.bind(this,document))},isElement:function(a){return a.nodeType===Node.ELEMENT_NODE},flattenMutationTree:function(a){var b=d(a,this.findElements,this);return b.push(f(a,this.isElement)),b.reduce(this.concatLists,[])},mutationWatcher:function(a){a.forEach(this.mutationHandler,this)},mutationHandler:function(a){if("childList"===a.type){var b=this.flattenMutationTree(a.addedNodes);b.forEach(this.addElement,this);var c=this.flattenMutationTree(a.removedNodes);c.forEach(this.removeElement,this)}else"attributes"===a.type&&this.elementChanged(a.target,a.oldValue)}},g||(b.prototype.watchSubtree=function(){console.warn("PointerEventsPolyfill: MutationObservers not found, touch-action will not be dynamically detected")}),a.Installer=b}(window.PointerEventsPolyfill),function(a){var b=a.dispatcher,c=b.pointermap,d=25,e={POINTER_ID:1,POINTER_TYPE:"mouse",events:["mousedown","mousemove","mouseup","mouseover","mouseout"],register:function(a){b.listen(a,this.events)},unregister:function(a){b.unlisten(a,this.events)},lastTouches:[],isEventSimulatedFromTouch:function(a){for(var b,c=this.lastTouches,e=a.clientX,f=a.clientY,g=0,h=c.length;h>g&&(b=c[g]);g++){var i=Math.abs(e-b.x),j=Math.abs(f-b.y);if(d>=i&&d>=j)return!0}},prepareEvent:function(a){var c=b.cloneEvent(a),d=c.preventDefault;return c.preventDefault=function(){a.preventDefault(),d()},c.pointerId=this.POINTER_ID,c.isPrimary=!0,c.pointerType=this.POINTER_TYPE,c},mousedown:function(a){if(!this.isEventSimulatedFromTouch(a)){var d=c.has(this.POINTER_ID);d&&this.cancel(a);var e=this.prepareEvent(a);c.set(this.POINTER_ID,a),b.down(e)}},mousemove:function(a){if(!this.isEventSimulatedFromTouch(a)){var c=this.prepareEvent(a);b.move(c)}},mouseup:function(a){if(!this.isEventSimulatedFromTouch(a)){var 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this.firstTouch===a.identifier},setPrimaryTouch:function(a){(0===f.pointers()||1===f.pointers()&&f.has(1))&&(this.firstTouch=a.identifier,this.firstXY={X:a.clientX,Y:a.clientY},this.scrolling=!1,this.cancelResetClickCount())},removePrimaryPointer:function(a){a.isPrimary&&(this.firstTouch=null,this.firstXY=null,this.resetClickCount())},clickCount:0,resetId:null,resetClickCount:function(){var a=function(){this.clickCount=0,this.resetId=null}.bind(this);this.resetId=setTimeout(a,i)},cancelResetClickCount:function(){this.resetId&&clearTimeout(this.resetId)},touchToPointer:function(a){var b=c.cloneEvent(a);return b.pointerId=a.identifier+2,b.target=d(b),b.bubbles=!0,b.cancelable=!0,b.detail=this.clickCount,b.button=0,b.buttons=1,b.width=a.webkitRadiusX||a.radiusX||0,b.height=a.webkitRadiusY||a.radiusY||0,b.pressure=a.webkitForce||a.force||.5,b.isPrimary=this.isPrimaryTouch(a),b.pointerType=this.POINTER_TYPE,b},processTouches:function(a,b){var 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