jellyfish-web/dashboard-ui/bower_components/emby-webcomponents/emby-scroller/emby-scroller.js
2018-10-23 01:05:09 +03:00

101 lines
No EOL
5.7 KiB
JavaScript

define(["scroller", "dom", "layoutManager", "inputManager", "focusManager", "browser", "registerElement"], function(scroller, dom, layoutManager, inputManager, focusManager, browser) {
"use strict";
function initCenterFocus(elem, scrollerInstance) {
dom.addEventListener(elem, "focus", function(e) {
var focused = focusManager.focusableParent(e.target);
focused && scrollerInstance.toCenter(focused)
}, {
capture: !0,
passive: !0
})
}
function onInputCommand(e) {
var cmd = e.detail.command;
"end" === cmd ? (focusManager.focusLast(this, "." + this.getAttribute("data-navcommands")), e.preventDefault(), e.stopPropagation()) : "pageup" === cmd ? (focusManager.moveFocus(e.target, this, "." + this.getAttribute("data-navcommands"), -12), e.preventDefault(), e.stopPropagation()) : "pagedown" === cmd && (focusManager.moveFocus(e.target, this, "." + this.getAttribute("data-navcommands"), 12), e.preventDefault(), e.stopPropagation())
}
function initHeadroom(elem) {
require(["headroom"], function(Headroom) {
var headroom = new Headroom([], {
scroller: elem
});
headroom.init(), headroom.add(document.querySelector(".skinHeader")), elem.headroom = headroom
})
}
function loadScrollButtons(scroller) {
require(["emby-scrollbuttons"], function() {
scroller.insertAdjacentHTML("beforeend", '<div is="emby-scrollbuttons"></div>')
})
}
var ScrollerProtoType = Object.create(HTMLDivElement.prototype);
ScrollerProtoType.createdCallback = function() {
this.classList.add("emby-scroller")
}, ScrollerProtoType.scrollToBeginning = function() {
this.scroller && this.scroller.slideTo(0, !0)
}, ScrollerProtoType.toStart = function(elem, immediate) {
this.scroller && this.scroller.toStart(elem, immediate)
}, ScrollerProtoType.toCenter = function(elem, immediate) {
this.scroller && this.scroller.toCenter(elem, immediate)
}, ScrollerProtoType.scrollToPosition = function(pos, immediate) {
this.scroller && this.scroller.slideTo(pos, immediate)
}, ScrollerProtoType.getScrollPosition = function() {
if (this.scroller) return this.scroller.getScrollPosition()
}, ScrollerProtoType.getScrollSize = function() {
if (this.scroller) return this.scroller.getScrollSize()
}, ScrollerProtoType.getScrollEventName = function() {
if (this.scroller) return this.scroller.getScrollEventName()
}, ScrollerProtoType.getScrollSlider = function() {
if (this.scroller) return this.scroller.getScrollSlider()
}, ScrollerProtoType.addScrollEventListener = function(fn, options) {
this.scroller && dom.addEventListener(this.scroller.getScrollFrame(), this.scroller.getScrollEventName(), fn, options)
}, ScrollerProtoType.removeScrollEventListener = function(fn, options) {
this.scroller && dom.removeEventListener(this.scroller.getScrollFrame(), this.scroller.getScrollEventName(), fn, options)
}, ScrollerProtoType.attachedCallback = function() {
this.getAttribute("data-navcommands") && inputManager.on(this, onInputCommand);
var horizontal = "false" !== this.getAttribute("data-horizontal"),
slider = this.querySelector(".scrollSlider");
horizontal && (slider.style["white-space"] = "nowrap");
var bindHeader = "true" === this.getAttribute("data-bindheader"),
scrollFrame = this,
enableScrollButtons = layoutManager.desktop && horizontal && "false" !== this.getAttribute("data-scrollbuttons"),
options = {
horizontal: horizontal,
mouseDragging: 1,
mouseWheel: "false" !== this.getAttribute("data-mousewheel"),
touchDragging: 1,
slidee: slider,
scrollBy: 200,
speed: horizontal ? 270 : 240,
elasticBounds: 1,
dragHandle: 1,
scrollWidth: "auto" === this.getAttribute("data-scrollsize") ? null : 5e6,
autoImmediate: !0,
skipSlideToWhenVisible: "true" === this.getAttribute("data-skipfocuswhenvisible"),
dispatchScrollEvent: enableScrollButtons || bindHeader || "true" === this.getAttribute("data-scrollevent"),
hideScrollbar: enableScrollButtons || "true" === this.getAttribute("data-hidescrollbar"),
allowNativeSmoothScroll: "true" === this.getAttribute("data-allownativesmoothscroll") && !enableScrollButtons,
allowNativeScroll: !enableScrollButtons,
forceHideScrollbars: enableScrollButtons,
requireAnimation: enableScrollButtons && browser.edge
};
this.scroller = new scroller(scrollFrame, options), this.scroller.init(), layoutManager.tv && this.getAttribute("data-centerfocus") && initCenterFocus(this, this.scroller), bindHeader && initHeadroom(this), enableScrollButtons && loadScrollButtons(this)
}, ScrollerProtoType.pause = function() {
var headroom = this.headroom;
headroom && headroom.pause()
}, ScrollerProtoType.resume = function() {
var headroom = this.headroom;
headroom && headroom.resume()
}, ScrollerProtoType.detachedCallback = function() {
this.getAttribute("data-navcommands") && inputManager.off(this, onInputCommand);
var headroom = this.headroom;
headroom && (headroom.destroy(), this.headroom = null);
var scrollerInstance = this.scroller;
scrollerInstance && (scrollerInstance.destroy(), this.scroller = null)
}, document.registerElement("emby-scroller", {
prototype: ScrollerProtoType,
extends: "div"
})
});