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| 1 | |
| 2 (function() { | |
| 3 | |
| 4 Polymer('core-overlay-layer', { | |
| 5 publish: { | |
| 6 opened: false | |
| 7 }, | |
| 8 openedChanged: function() { | |
| 9 this.classList.toggle('core-opened', this.opened); | |
| 10 }, | |
| 11 /** | |
| 12 * Adds an element to the overlay layer | |
| 13 */ | |
| 14 addElement: function(element) { | |
| 15 if (!this.parentNode) { | |
| 16 document.querySelector('body').appendChild(this); | |
| 17 } | |
| 18 if (element.parentNode !== this) { | |
| 19 element.__contents = []; | |
| 20 var ip$ = element.querySelectorAll('content'); | |
| 21 for (var i=0, l=ip$.length, n; (i<l) && (n = ip$[i]); i++) { | |
| 22 this.moveInsertedElements(n); | |
| 23 this.cacheDomLocation(n); | |
| 24 n.parentNode.removeChild(n); | |
| 25 element.__contents.push(n); | |
| 26 } | |
| 27 this.cacheDomLocation(element); | |
| 28 this.updateEventController(element); | |
| 29 var h = this.makeHost(); | |
| 30 h.shadowRoot.appendChild(element); | |
| 31 element.__host = h; | |
| 32 } | |
| 33 }, | |
| 34 makeHost: function() { | |
| 35 var h = document.createElement('overlay-host'); | |
| 36 h.createShadowRoot(); | |
| 37 this.appendChild(h); | |
| 38 return h; | |
| 39 }, | |
| 40 moveInsertedElements: function(insertionPoint) { | |
| 41 var n$ = insertionPoint.getDistributedNodes(); | |
| 42 var parent = insertionPoint.parentNode; | |
| 43 insertionPoint.__contents = []; | |
| 44 for (var i=0, l=n$.length, n; (i<l) && (n=n$[i]); i++) { | |
| 45 this.cacheDomLocation(n); | |
| 46 this.updateEventController(n); | |
| 47 insertionPoint.__contents.push(n); | |
| 48 parent.appendChild(n); | |
| 49 } | |
| 50 }, | |
| 51 updateEventController: function(element) { | |
| 52 element.eventController = this.element.findController(element); | |
| 53 }, | |
| 54 /** | |
| 55 * Removes an element from the overlay layer | |
| 56 */ | |
| 57 removeElement: function(element) { | |
| 58 element.eventController = null; | |
| 59 this.replaceElement(element); | |
| 60 var h = element.__host; | |
| 61 if (h) { | |
| 62 h.parentNode.removeChild(h); | |
| 63 } | |
| 64 }, | |
| 65 replaceElement: function(element) { | |
| 66 if (element.__contents) { | |
| 67 for (var i=0, c$=element.__contents, c; (c=c$[i]); i++) { | |
| 68 this.replaceElement(c); | |
| 69 } | |
| 70 element.__contents = null; | |
| 71 } | |
| 72 if (element.__parentNode) { | |
| 73 var n = element.__nextElementSibling && element.__nextElementSibling | |
| 74 === element.__parentNode ? element.__nextElementSibling : null; | |
| 75 element.__parentNode.insertBefore(element, n); | |
| 76 } | |
| 77 }, | |
| 78 cacheDomLocation: function(element) { | |
| 79 element.__nextElementSibling = element.nextElementSibling; | |
| 80 element.__parentNode = element.parentNode; | |
| 81 } | |
| 82 }); | |
| 83 | |
| 84 })(); | |
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