@zoff-tech/zt-bottom-drawer
Version:
Bottom Drawer / Web Component
370 lines (364 loc) • 14.7 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
const index = require('./index-d7fcb92f.js');
const helpers = require('@utils/helpers');
const platform = require('@utils/platform');
const rtl = require('@utils/rtl');
const theme = require('@utils/theme');
const ionicGlobal = require('./ionic-global-70a62cb2.js');
const contentCss = ":host{--background:var(--ion-background-color, #fff);--color:var(--ion-text-color, #000);--padding-top:0px;--padding-bottom:0px;--padding-start:0px;--padding-end:0px;--keyboard-offset:0px;--offset-top:0px;--offset-bottom:0px;--overflow:auto;display:block;position:relative;flex:1;width:100%;height:100%;margin:0 !important;padding:0 !important;font-family:var(--ion-font-family, inherit);contain:size style}:host(.ion-color) .inner-scroll{background:var(--ion-color-base);color:var(--ion-color-contrast)}:host(.outer-content){--background:var(--ion-color-step-50, #f2f2f2)}#background-content{left:0px;right:0px;top:calc(var(--offset-top) * -1);bottom:calc(var(--offset-bottom) * -1);position:absolute;background:var(--background)}.inner-scroll{left:0px;right:0px;top:calc(var(--offset-top) * -1);bottom:calc(var(--offset-bottom) * -1);-webkit-padding-start:var(--padding-start);padding-inline-start:var(--padding-start);-webkit-padding-end:var(--padding-end);padding-inline-end:var(--padding-end);padding-top:calc(var(--padding-top) + var(--offset-top));padding-bottom:calc(var(--padding-bottom) + var(--keyboard-offset) + var(--offset-bottom));position:absolute;color:var(--color);box-sizing:border-box;overflow:hidden;touch-action:pan-x pan-y pinch-zoom}.scroll-y,.scroll-x{-webkit-overflow-scrolling:touch;z-index:0;will-change:scroll-position}.scroll-y{overflow-y:var(--overflow);overscroll-behavior-y:contain}.scroll-x{overflow-x:var(--overflow);overscroll-behavior-x:contain}.overscroll::before,.overscroll::after{position:absolute;width:1px;height:1px;content:\"\"}.overscroll::before{bottom:-1px}.overscroll::after{top:-1px}:host(.content-sizing){display:flex;flex-direction:column;min-height:0;contain:none}:host(.content-sizing) .inner-scroll{position:relative;top:0;bottom:0;margin-top:calc(var(--offset-top) * -1);margin-bottom:calc(var(--offset-bottom) * -1)}.transition-effect{display:none;position:absolute;width:100%;height:100vh;opacity:0;pointer-events:none}:host(.content-ltr) .transition-effect{left:-100%;}:host(.content-rtl) .transition-effect{right:-100%;}.transition-cover{position:absolute;right:0;width:100%;height:100%;background:black;opacity:0.1}.transition-shadow{display:block;position:absolute;width:100%;height:100%;box-shadow:inset -9px 0 9px 0 rgba(0, 0, 100, 0.03)}:host(.content-ltr) .transition-shadow{right:0;}:host(.content-rtl) .transition-shadow{left:0;transform:scaleX(-1)}::slotted([slot=fixed]){position:absolute;transform:translateZ(0)}";
const Content = class {
constructor(hostRef) {
index.registerInstance(this, hostRef);
this.ionScrollStart = index.createEvent(this, "ionScrollStart", 7);
this.ionScroll = index.createEvent(this, "ionScroll", 7);
this.ionScrollEnd = index.createEvent(this, "ionScrollEnd", 7);
this.watchDog = null;
this.isScrolling = false;
this.lastScroll = 0;
this.queued = false;
this.cTop = -1;
this.cBottom = -1;
this.isMainContent = true;
this.resizeTimeout = null;
// Detail is used in a hot loop in the scroll event, by allocating it here
// V8 will be able to inline any read/write to it since it's a monomorphic class.
// https://mrale.ph/blog/2015/01/11/whats-up-with-monomorphism.html
this.detail = {
scrollTop: 0,
scrollLeft: 0,
type: 'scroll',
event: undefined,
startX: 0,
startY: 0,
startTime: 0,
currentX: 0,
currentY: 0,
velocityX: 0,
velocityY: 0,
deltaX: 0,
deltaY: 0,
currentTime: 0,
data: undefined,
isScrolling: true,
};
this.color = undefined;
this.fullscreen = false;
this.forceOverscroll = undefined;
this.scrollX = false;
this.scrollY = true;
this.scrollEvents = false;
}
connectedCallback() {
this.isMainContent = this.el.closest('ion-menu, ion-popover, ion-modal') === null;
}
disconnectedCallback() {
this.onScrollEnd();
}
onAppLoad() {
this.resize();
}
/**
* Rotating certain devices can update
* the safe area insets. As a result,
* the fullscreen feature on ion-content
* needs to be recalculated.
*
* We listen for "resize" because we
* do not care what the orientation of
* the device is. Other APIs
* such as ScreenOrientation or
* the deviceorientation event must have
* permission from the user first whereas
* the "resize" event does not.
*
* We also throttle the callback to minimize
* thrashing when quickly resizing a window.
*/
onResize() {
if (this.resizeTimeout) {
clearTimeout(this.resizeTimeout);
this.resizeTimeout = null;
}
this.resizeTimeout = setTimeout(() => {
/**
* Resize should only happen
* if the content is visible.
* When the content is hidden
* then offsetParent will be null.
*/
if (this.el.offsetParent === null) {
return;
}
this.resize();
}, 100);
}
shouldForceOverscroll() {
const { forceOverscroll } = this;
const mode = ionicGlobal.getIonMode(this);
return forceOverscroll === undefined ? mode === 'ios' && platform.isPlatform('ios') : forceOverscroll;
}
resize() {
/**
* Only force update if the component is rendered in a browser context.
* Using `forceUpdate` in a server context with pre-rendering can lead to an infinite loop.
* The `hydrateDocument` function in `@stencil/core` will render the `ion-content`, but
* `forceUpdate` will trigger another render, locking up the server.
*
* TODO: Remove if STENCIL-834 determines Stencil will account for this.
*/
{
if (this.fullscreen) {
index.readTask(() => this.readDimensions());
}
else if (this.cTop !== 0 || this.cBottom !== 0) {
this.cTop = this.cBottom = 0;
index.forceUpdate(this);
}
}
}
readDimensions() {
const page = getPageElement(this.el);
const top = Math.max(this.el.offsetTop, 0);
const bottom = Math.max(page.offsetHeight - top - this.el.offsetHeight, 0);
const dirty = top !== this.cTop || bottom !== this.cBottom;
if (dirty) {
this.cTop = top;
this.cBottom = bottom;
index.forceUpdate(this);
}
}
onScroll(ev) {
const timeStamp = Date.now();
const shouldStart = !this.isScrolling;
this.lastScroll = timeStamp;
if (shouldStart) {
this.onScrollStart();
}
if (!this.queued && this.scrollEvents) {
this.queued = true;
index.readTask((ts) => {
this.queued = false;
this.detail.event = ev;
updateScrollDetail(this.detail, this.scrollEl, ts, shouldStart);
this.ionScroll.emit(this.detail);
});
}
}
/**
* Get the element where the actual scrolling takes place.
* This element can be used to subscribe to `scroll` events or manually modify
* `scrollTop`. However, it's recommended to use the API provided by `ion-content`:
*
* i.e. Using `ionScroll`, `ionScrollStart`, `ionScrollEnd` for scrolling events
* and `scrollToPoint()` to scroll the content into a certain point.
*/
async getScrollElement() {
/**
* If this gets called in certain early lifecycle hooks (ex: Vue onMounted),
* scrollEl won't be defined yet with the custom elements build, so wait for it to load in.
*/
if (!this.scrollEl) {
await new Promise((resolve) => helpers.componentOnReady(this.el, resolve));
}
return Promise.resolve(this.scrollEl);
}
/**
* Returns the background content element.
* @internal
*/
async getBackgroundElement() {
if (!this.backgroundContentEl) {
await new Promise((resolve) => helpers.componentOnReady(this.el, resolve));
}
return Promise.resolve(this.backgroundContentEl);
}
/**
* Scroll to the top of the component.
*
* @param duration The amount of time to take scrolling to the top. Defaults to `0`.
*/
scrollToTop(duration = 0) {
return this.scrollToPoint(undefined, 0, duration);
}
/**
* Scroll to the bottom of the component.
*
* @param duration The amount of time to take scrolling to the bottom. Defaults to `0`.
*/
async scrollToBottom(duration = 0) {
const scrollEl = await this.getScrollElement();
const y = scrollEl.scrollHeight - scrollEl.clientHeight;
return this.scrollToPoint(undefined, y, duration);
}
/**
* Scroll by a specified X/Y distance in the component.
*
* @param x The amount to scroll by on the horizontal axis.
* @param y The amount to scroll by on the vertical axis.
* @param duration The amount of time to take scrolling by that amount.
*/
async scrollByPoint(x, y, duration) {
const scrollEl = await this.getScrollElement();
return this.scrollToPoint(x + scrollEl.scrollLeft, y + scrollEl.scrollTop, duration);
}
/**
* Scroll to a specified X/Y location in the component.
*
* @param x The point to scroll to on the horizontal axis.
* @param y The point to scroll to on the vertical axis.
* @param duration The amount of time to take scrolling to that point. Defaults to `0`.
*/
async scrollToPoint(x, y, duration = 0) {
const el = await this.getScrollElement();
if (duration < 32) {
if (y != null) {
el.scrollTop = y;
}
if (x != null) {
el.scrollLeft = x;
}
return;
}
let resolve;
let startTime = 0;
const promise = new Promise((r) => (resolve = r));
const fromY = el.scrollTop;
const fromX = el.scrollLeft;
const deltaY = y != null ? y - fromY : 0;
const deltaX = x != null ? x - fromX : 0;
// scroll loop
const step = (timeStamp) => {
const linearTime = Math.min(1, (timeStamp - startTime) / duration) - 1;
const easedT = Math.pow(linearTime, 3) + 1;
if (deltaY !== 0) {
el.scrollTop = Math.floor(easedT * deltaY + fromY);
}
if (deltaX !== 0) {
el.scrollLeft = Math.floor(easedT * deltaX + fromX);
}
if (easedT < 1) {
// do not use DomController here
// must use nativeRaf in order to fire in the next frame
requestAnimationFrame(step);
}
else {
resolve();
}
};
// chill out for a frame first
requestAnimationFrame((ts) => {
startTime = ts;
step(ts);
});
return promise;
}
onScrollStart() {
this.isScrolling = true;
this.ionScrollStart.emit({
isScrolling: true,
});
if (this.watchDog) {
clearInterval(this.watchDog);
}
// watchdog
this.watchDog = setInterval(() => {
if (this.lastScroll < Date.now() - 120) {
this.onScrollEnd();
}
}, 100);
}
onScrollEnd() {
if (this.watchDog)
clearInterval(this.watchDog);
this.watchDog = null;
if (this.isScrolling) {
this.isScrolling = false;
this.ionScrollEnd.emit({
isScrolling: false,
});
}
}
render() {
const { isMainContent, scrollX, scrollY, el } = this;
const rtl$1 = rtl.isRTL(el) ? 'rtl' : 'ltr';
const mode = ionicGlobal.getIonMode(this);
const forceOverscroll = this.shouldForceOverscroll();
const transitionShadow = mode === 'ios';
const TagType = isMainContent ? 'main' : 'div';
this.resize();
return (index.h(index.Host, { class: theme.createColorClasses(this.color, {
[mode]: true,
'content-sizing': theme.hostContext('ion-popover', this.el),
overscroll: forceOverscroll,
[`content-${rtl$1}`]: true,
}), style: {
'--offset-top': `${this.cTop}px`,
'--offset-bottom': `${this.cBottom}px`,
} }, index.h("div", { ref: (el) => (this.backgroundContentEl = el), id: "background-content", part: "background" }), index.h(TagType, { class: {
'inner-scroll': true,
'scroll-x': scrollX,
'scroll-y': scrollY,
overscroll: (scrollX || scrollY) && forceOverscroll,
}, ref: (scrollEl) => (this.scrollEl = scrollEl), onScroll: this.scrollEvents ? (ev) => this.onScroll(ev) : undefined, part: "scroll" }, index.h("slot", null)), transitionShadow ? (index.h("div", { class: "transition-effect" }, index.h("div", { class: "transition-cover" }), index.h("div", { class: "transition-shadow" }))) : null, index.h("slot", { name: "fixed" })));
}
get el() { return index.getElement(this); }
};
const getParentElement = (el) => {
var _a;
if (el.parentElement) {
// normal element with a parent element
return el.parentElement;
}
if ((_a = el.parentNode) === null || _a === void 0 ? void 0 : _a.host) {
// shadow dom's document fragment
return el.parentNode.host;
}
return null;
};
const getPageElement = (el) => {
const tabs = el.closest('ion-tabs');
if (tabs) {
return tabs;
}
/**
* If we're in a popover, we need to use its wrapper so we can account for space
* between the popover and the edges of the screen. But if the popover contains
* its own page element, we should use that instead.
*/
const page = el.closest('ion-app, ion-page, .ion-page, page-inner, .popover-content');
if (page) {
return page;
}
return getParentElement(el);
};
// ******** DOM READ ****************
const updateScrollDetail = (detail, el, timestamp, shouldStart) => {
const prevX = detail.currentX;
const prevY = detail.currentY;
const prevT = detail.currentTime;
const currentX = el.scrollLeft;
const currentY = el.scrollTop;
const timeDelta = timestamp - prevT;
if (shouldStart) {
// remember the start positions
detail.startTime = timestamp;
detail.startX = currentX;
detail.startY = currentY;
detail.velocityX = detail.velocityY = 0;
}
detail.currentTime = timestamp;
detail.currentX = detail.scrollLeft = currentX;
detail.currentY = detail.scrollTop = currentY;
detail.deltaX = currentX - detail.startX;
detail.deltaY = currentY - detail.startY;
if (timeDelta > 0 && timeDelta < 100) {
const velocityX = (currentX - prevX) / timeDelta;
const velocityY = (currentY - prevY) / timeDelta;
detail.velocityX = velocityX * 0.7 + detail.velocityX * 0.3;
detail.velocityY = velocityY * 0.7 + detail.velocityY * 0.3;
}
};
Content.style = contentCss;
exports.ion_content = Content;
//# sourceMappingURL=ion-content.cjs.entry.js.map