import * as i1 from '@angular/common';
import { isPlatformBrowser, DOCUMENT, CommonModule } from '@angular/common';
import * as i0 from '@angular/core';
import { PLATFORM_ID, numberAttribute, Component, ChangeDetectionStrategy, ViewEncapsulation, Inject, Input, ViewChild, ContentChildren, NgModule } from '@angular/core';
import { PrimeTemplate } from 'primeng/api';
import { DomHandler } from 'primeng/dom';
import { UniqueComponentId } from 'primeng/utils';

/**
 * ScrollPanel is a cross browser, lightweight and themable alternative to native browser scrollbar.
 * @group Components
 */
class ScrollPanel {
    platformId;
    el;
    zone;
    cd;
    document;
    renderer;
    /**
     * Inline style of the component.
     * @group Props
     */
    style;
    /**
     * Style class of the component.
     * @group Props
     */
    styleClass;
    /**
     * Step factor to scroll the content while pressing the arrow keys.
     * @group Props
     */
    step = 5;
    containerViewChild;
    contentViewChild;
    xBarViewChild;
    yBarViewChild;
    templates;
    scrollYRatio;
    scrollXRatio;
    timeoutFrame = (fn) => setTimeout(fn, 0);
    initialized = false;
    lastPageY;
    lastPageX;
    isXBarClicked = false;
    isYBarClicked = false;
    contentTemplate;
    lastScrollLeft = 0;
    lastScrollTop = 0;
    orientation = 'vertical';
    timer;
    contentId;
    windowResizeListener;
    contentScrollListener;
    mouseEnterListener;
    xBarMouseDownListener;
    yBarMouseDownListener;
    documentMouseMoveListener;
    documentMouseUpListener;
    constructor(platformId, el, zone, cd, document, renderer) {
        this.platformId = platformId;
        this.el = el;
        this.zone = zone;
        this.cd = cd;
        this.document = document;
        this.renderer = renderer;
        this.contentId = UniqueComponentId() + '_content';
    }
    ngAfterViewInit() {
        if (isPlatformBrowser(this.platformId)) {
            this.zone.runOutsideAngular(() => {
                this.moveBar();
                this.moveBar = this.moveBar.bind(this);
                this.onXBarMouseDown = this.onXBarMouseDown.bind(this);
                this.onYBarMouseDown = this.onYBarMouseDown.bind(this);
                this.onDocumentMouseMove = this.onDocumentMouseMove.bind(this);
                this.onDocumentMouseUp = this.onDocumentMouseUp.bind(this);
                this.windowResizeListener = this.renderer.listen(window, 'resize', this.moveBar);
                this.contentScrollListener = this.renderer.listen(this.contentViewChild.nativeElement, 'scroll', this.moveBar);
                this.mouseEnterListener = this.renderer.listen(this.contentViewChild.nativeElement, 'mouseenter', this.moveBar);
                this.xBarMouseDownListener = this.renderer.listen(this.xBarViewChild.nativeElement, 'mousedown', this.onXBarMouseDown);
                this.yBarMouseDownListener = this.renderer.listen(this.yBarViewChild.nativeElement, 'mousedown', this.onYBarMouseDown);
                this.calculateContainerHeight();
                this.initialized = true;
            });
        }
    }
    ngAfterContentInit() {
        this.templates.forEach((item) => {
            switch (item.getType()) {
                case 'content':
                    this.contentTemplate = item.template;
                    break;
                default:
                    this.contentTemplate = item.template;
                    break;
            }
        });
    }
    calculateContainerHeight() {
        let container = this.containerViewChild.nativeElement;
        let content = this.contentViewChild.nativeElement;
        let xBar = this.xBarViewChild.nativeElement;
        const window = this.document.defaultView;
        let containerStyles = window.getComputedStyle(container), xBarStyles = window.getComputedStyle(xBar), pureContainerHeight = DomHandler.getHeight(container) - parseInt(xBarStyles['height'], 10);
        if (containerStyles['max-height'] != 'none' && pureContainerHeight == 0) {
            if (content.offsetHeight + parseInt(xBarStyles['height'], 10) > parseInt(containerStyles['max-height'], 10)) {
                container.style.height = containerStyles['max-height'];
            }
            else {
                container.style.height = content.offsetHeight + parseFloat(containerStyles.paddingTop) + parseFloat(containerStyles.paddingBottom) + parseFloat(containerStyles.borderTopWidth) + parseFloat(containerStyles.borderBottomWidth) + 'px';
            }
        }
    }
    moveBar() {
        let container = this.containerViewChild.nativeElement;
        let content = this.contentViewChild.nativeElement;
        /* horizontal scroll */
        let xBar = this.xBarViewChild.nativeElement;
        let totalWidth = content.scrollWidth;
        let ownWidth = content.clientWidth;
        let bottom = (container.clientHeight - xBar.clientHeight) * -1;
        this.scrollXRatio = ownWidth / totalWidth;
        /* vertical scroll */
        let yBar = this.yBarViewChild.nativeElement;
        let totalHeight = content.scrollHeight;
        let ownHeight = content.clientHeight;
        let right = (container.clientWidth - yBar.clientWidth) * -1;
        this.scrollYRatio = ownHeight / totalHeight;
        this.requestAnimationFrame(() => {
            if (this.scrollXRatio >= 1) {
                xBar.setAttribute('data-p-scrollpanel-hidden', 'true');
                DomHandler.addClass(xBar, 'p-scrollpanel-hidden');
            }
            else {
                xBar.setAttribute('data-p-scrollpanel-hidden', 'false');
                DomHandler.removeClass(xBar, 'p-scrollpanel-hidden');
                const xBarWidth = Math.max(this.scrollXRatio * 100, 10);
                const xBarLeft = (content.scrollLeft * (100 - xBarWidth)) / (totalWidth - ownWidth);
                xBar.style.cssText = 'width:' + xBarWidth + '%; left:' + xBarLeft + '%;bottom:' + bottom + 'px;';
            }
            if (this.scrollYRatio >= 1) {
                yBar.setAttribute('data-p-scrollpanel-hidden', 'true');
                DomHandler.addClass(yBar, 'p-scrollpanel-hidden');
            }
            else {
                yBar.setAttribute('data-p-scrollpanel-hidden', 'false');
                DomHandler.removeClass(yBar, 'p-scrollpanel-hidden');
                const yBarHeight = Math.max(this.scrollYRatio * 100, 10);
                const yBarTop = (content.scrollTop * (100 - yBarHeight)) / (totalHeight - ownHeight);
                yBar.style.cssText = 'height:' + yBarHeight + '%; top: calc(' + yBarTop + '% - ' + xBar.clientHeight + 'px);right:' + right + 'px;';
            }
        });
        this.cd.markForCheck();
    }
    onScroll(event) {
        if (this.lastScrollLeft !== event.target.scrollLeft) {
            this.lastScrollLeft = event.target.scrollLeft;
            this.orientation = 'horizontal';
        }
        else if (this.lastScrollTop !== event.target.scrollTop) {
            this.lastScrollTop = event.target.scrollTop;
            this.orientation = 'vertical';
        }
        this.moveBar();
    }
    onKeyDown(event) {
        if (this.orientation === 'vertical') {
            switch (event.code) {
                case 'ArrowDown': {
                    this.setTimer('scrollTop', this.step);
                    event.preventDefault();
                    break;
                }
                case 'ArrowUp': {
                    this.setTimer('scrollTop', this.step * -1);
                    event.preventDefault();
                    break;
                }
                case 'ArrowLeft':
                case 'ArrowRight': {
                    event.preventDefault();
                    break;
                }
                default:
                    //no op
                    break;
            }
        }
        else if (this.orientation === 'horizontal') {
            switch (event.code) {
                case 'ArrowRight': {
                    this.setTimer('scrollLeft', this.step);
                    event.preventDefault();
                    break;
                }
                case 'ArrowLeft': {
                    this.setTimer('scrollLeft', this.step * -1);
                    event.preventDefault();
                    break;
                }
                case 'ArrowDown':
                case 'ArrowUp': {
                    event.preventDefault();
                    break;
                }
                default:
                    //no op
                    break;
            }
        }
    }
    onKeyUp() {
        this.clearTimer();
    }
    repeat(bar, step) {
        this.contentViewChild.nativeElement[bar] += step;
        this.moveBar();
    }
    setTimer(bar, step) {
        this.clearTimer();
        this.timer = setTimeout(() => {
            this.repeat(bar, step);
        }, 40);
    }
    clearTimer() {
        if (this.timer) {
            clearTimeout(this.timer);
        }
    }
    bindDocumentMouseListeners() {
        if (!this.documentMouseMoveListener) {
            this.documentMouseMoveListener = (e) => {
                this.onDocumentMouseMove(e);
            };
            this.document.addEventListener('mousemove', this.documentMouseMoveListener);
        }
        if (!this.documentMouseUpListener) {
            this.documentMouseUpListener = (e) => {
                this.onDocumentMouseUp(e);
            };
            this.document.addEventListener('mouseup', this.documentMouseUpListener);
        }
    }
    unbindDocumentMouseListeners() {
        if (this.documentMouseMoveListener) {
            this.document.removeEventListener('mousemove', this.documentMouseMoveListener);
            this.documentMouseMoveListener = null;
        }
        if (this.documentMouseUpListener) {
            document.removeEventListener('mouseup', this.documentMouseUpListener);
            this.documentMouseUpListener = null;
        }
    }
    onYBarMouseDown(e) {
        this.isYBarClicked = true;
        this.yBarViewChild.nativeElement.focus();
        this.lastPageY = e.pageY;
        this.yBarViewChild.nativeElement.setAttribute('data-p-scrollpanel-grabbed', 'true');
        DomHandler.addClass(this.yBarViewChild.nativeElement, 'p-scrollpanel-grabbed');
        this.document.body.setAttribute('data-p-scrollpanel-grabbed', 'true');
        DomHandler.addClass(this.document.body, 'p-scrollpanel-grabbed');
        this.bindDocumentMouseListeners();
        e.preventDefault();
    }
    onXBarMouseDown(e) {
        this.isXBarClicked = true;
        this.xBarViewChild.nativeElement.focus();
        this.lastPageX = e.pageX;
        this.xBarViewChild.nativeElement.setAttribute('data-p-scrollpanel-grabbed', 'false');
        DomHandler.addClass(this.xBarViewChild.nativeElement, 'p-scrollpanel-grabbed');
        this.document.body.setAttribute('data-p-scrollpanel-grabbed', 'false');
        DomHandler.addClass(this.document.body, 'p-scrollpanel-grabbed');
        this.bindDocumentMouseListeners();
        e.preventDefault();
    }
    onDocumentMouseMove(e) {
        if (this.isXBarClicked) {
            this.onMouseMoveForXBar(e);
        }
        else if (this.isYBarClicked) {
            this.onMouseMoveForYBar(e);
        }
        else {
            this.onMouseMoveForXBar(e);
            this.onMouseMoveForYBar(e);
        }
    }
    onMouseMoveForXBar(e) {
        let deltaX = e.pageX - this.lastPageX;
        this.lastPageX = e.pageX;
        this.requestAnimationFrame(() => {
            this.contentViewChild.nativeElement.scrollLeft += deltaX / this.scrollXRatio;
        });
    }
    onMouseMoveForYBar(e) {
        let deltaY = e.pageY - this.lastPageY;
        this.lastPageY = e.pageY;
        this.requestAnimationFrame(() => {
            this.contentViewChild.nativeElement.scrollTop += deltaY / this.scrollYRatio;
        });
    }
    /**
     * Scrolls the top location to the given value.
     * @param scrollTop
     * @group Method
     */
    scrollTop(scrollTop) {
        let scrollableHeight = this.contentViewChild.nativeElement.scrollHeight - this.contentViewChild.nativeElement.clientHeight;
        scrollTop = scrollTop > scrollableHeight ? scrollableHeight : scrollTop > 0 ? scrollTop : 0;
        this.contentViewChild.nativeElement.scrollTop = scrollTop;
    }
    onFocus(event) {
        if (this.xBarViewChild.nativeElement.isSameNode(event.target)) {
            this.orientation = 'horizontal';
        }
        else if (this.yBarViewChild.nativeElement.isSameNode(event.target)) {
            this.orientation = 'vertical';
        }
    }
    onBlur() {
        if (this.orientation === 'horizontal') {
            this.orientation = 'vertical';
        }
    }
    onDocumentMouseUp(e) {
        this.yBarViewChild.nativeElement.setAttribute('data-p-scrollpanel-grabbed', 'false');
        DomHandler.removeClass(this.yBarViewChild.nativeElement, 'p-scrollpanel-grabbed');
        this.xBarViewChild.nativeElement.setAttribute('data-p-scrollpanel-grabbed', 'false');
        DomHandler.removeClass(this.xBarViewChild.nativeElement, 'p-scrollpanel-grabbed');
        this.document.body.setAttribute('data-p-scrollpanel-grabbed', 'false');
        DomHandler.removeClass(this.document.body, 'p-scrollpanel-grabbed');
        this.unbindDocumentMouseListeners();
        this.isXBarClicked = false;
        this.isYBarClicked = false;
    }
    requestAnimationFrame(f) {
        let frame = window.requestAnimationFrame || this.timeoutFrame;
        frame(f);
    }
    unbindListeners() {
        if (this.windowResizeListener) {
            this.windowResizeListener();
            this.windowResizeListener = null;
        }
        if (this.contentScrollListener) {
            this.contentScrollListener();
            this.contentScrollListener = null;
        }
        if (this.mouseEnterListener) {
            this.mouseEnterListener();
            this.mouseEnterListener = null;
        }
        if (this.xBarMouseDownListener) {
            this.xBarMouseDownListener();
            this.xBarMouseDownListener = null;
        }
        if (this.yBarMouseDownListener) {
            this.yBarMouseDownListener();
            this.yBarMouseDownListener = null;
        }
    }
    ngOnDestroy() {
        if (this.initialized) {
            this.unbindListeners();
        }
    }
    /**
     * Refreshes the position and size of the scrollbar.
     * @group Method
     */
    refresh() {
        this.moveBar();
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: ScrollPanel, deps: [{ token: PLATFORM_ID }, { token: i0.ElementRef }, { token: i0.NgZone }, { token: i0.ChangeDetectorRef }, { token: DOCUMENT }, { token: i0.Renderer2 }], target: i0.ɵɵFactoryTarget.Component });
    static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "16.1.0", version: "17.3.7", type: ScrollPanel, selector: "p-scrollPanel", inputs: { style: "style", styleClass: "styleClass", step: ["step", "step", numberAttribute] }, host: { classAttribute: "p-element" }, queries: [{ propertyName: "templates", predicate: PrimeTemplate }], viewQueries: [{ propertyName: "containerViewChild", first: true, predicate: ["container"], descendants: true }, { propertyName: "contentViewChild", first: true, predicate: ["content"], descendants: true }, { propertyName: "xBarViewChild", first: true, predicate: ["xBar"], descendants: true }, { propertyName: "yBarViewChild", first: true, predicate: ["yBar"], descendants: true }], ngImport: i0, template: `
        <div #container [ngClass]="'p-scrollpanel p-component'" [ngStyle]="style" [class]="styleClass" [attr.data-pc-name]="'scrollpanel'">
            <div class="p-scrollpanel-wrapper" [attr.data-pc-section]="'wrapper'">
                <div #content class="p-scrollpanel-content" [attr.data-pc-section]="'content'" (mouseenter)="moveBar()" (scroll)="onScroll($event)">
                    <ng-content></ng-content>
                    <ng-container *ngTemplateOutlet="contentTemplate"></ng-container>
                </div>
            </div>
            <div
                #xBar
                class="p-scrollpanel-bar p-scrollpanel-bar-x"
                tabindex="0"
                role="scrollbar"
                [attr.aria-orientation]="'horizontal'"
                [attr.aria-valuenow]="lastScrollLeft"
                [attr.data-pc-section]="'barx'"
                [attr.aria-controls]="contentId"
                (mousedown)="onXBarMouseDown($event)"
                (keydown)="onKeyDown($event)"
                (keyup)="onKeyUp()"
                (focus)="onFocus($event)"
                (blur)="onBlur()"
            ></div>
            <div
                #yBar
                class="p-scrollpanel-bar p-scrollpanel-bar-y"
                tabindex="0"
                role="scrollbar"
                [attr.aria-orientation]="'vertical'"
                [attr.aria-valuenow]="lastScrollTop"
                [attr.data-pc-section]="'bary'"
                [attr.aria-controls]="contentId"
                (mousedown)="onYBarMouseDown($event)"
                (keydown)="onKeyDown($event)"
                (keyup)="onKeyUp()"
                (focus)="onFocus($event)"
            ></div>
        </div>
    `, isInline: true, styles: ["@layer primeng{.p-scrollpanel-wrapper{overflow:hidden;width:100%;height:100%;position:relative;float:left}.p-scrollpanel-content{height:calc(100% + 18px);width:calc(100% + 18px);padding:0 18px 18px 0;position:relative;overflow:auto;box-sizing:border-box}.p-scrollpanel-bar{position:relative;background:#c1c1c1;border-radius:3px;cursor:pointer;opacity:0;transition:opacity .25s linear}.p-scrollpanel-bar-y{width:9px;top:0}.p-scrollpanel-bar-x{height:9px;bottom:0}.p-scrollpanel-hidden{visibility:hidden}.p-scrollpanel:hover .p-scrollpanel-bar,.p-scrollpanel:active .p-scrollpanel-bar{opacity:1}.p-scrollpanel-grabbed{-webkit-user-select:none;user-select:none}}\n"], dependencies: [{ kind: "directive", type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i1.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: ScrollPanel, decorators: [{
            type: Component,
            args: [{ selector: 'p-scrollPanel', template: `
        <div #container [ngClass]="'p-scrollpanel p-component'" [ngStyle]="style" [class]="styleClass" [attr.data-pc-name]="'scrollpanel'">
            <div class="p-scrollpanel-wrapper" [attr.data-pc-section]="'wrapper'">
                <div #content class="p-scrollpanel-content" [attr.data-pc-section]="'content'" (mouseenter)="moveBar()" (scroll)="onScroll($event)">
                    <ng-content></ng-content>
                    <ng-container *ngTemplateOutlet="contentTemplate"></ng-container>
                </div>
            </div>
            <div
                #xBar
                class="p-scrollpanel-bar p-scrollpanel-bar-x"
                tabindex="0"
                role="scrollbar"
                [attr.aria-orientation]="'horizontal'"
                [attr.aria-valuenow]="lastScrollLeft"
                [attr.data-pc-section]="'barx'"
                [attr.aria-controls]="contentId"
                (mousedown)="onXBarMouseDown($event)"
                (keydown)="onKeyDown($event)"
                (keyup)="onKeyUp()"
                (focus)="onFocus($event)"
                (blur)="onBlur()"
            ></div>
            <div
                #yBar
                class="p-scrollpanel-bar p-scrollpanel-bar-y"
                tabindex="0"
                role="scrollbar"
                [attr.aria-orientation]="'vertical'"
                [attr.aria-valuenow]="lastScrollTop"
                [attr.data-pc-section]="'bary'"
                [attr.aria-controls]="contentId"
                (mousedown)="onYBarMouseDown($event)"
                (keydown)="onKeyDown($event)"
                (keyup)="onKeyUp()"
                (focus)="onFocus($event)"
            ></div>
        </div>
    `, changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, host: {
                        class: 'p-element'
                    }, styles: ["@layer primeng{.p-scrollpanel-wrapper{overflow:hidden;width:100%;height:100%;position:relative;float:left}.p-scrollpanel-content{height:calc(100% + 18px);width:calc(100% + 18px);padding:0 18px 18px 0;position:relative;overflow:auto;box-sizing:border-box}.p-scrollpanel-bar{position:relative;background:#c1c1c1;border-radius:3px;cursor:pointer;opacity:0;transition:opacity .25s linear}.p-scrollpanel-bar-y{width:9px;top:0}.p-scrollpanel-bar-x{height:9px;bottom:0}.p-scrollpanel-hidden{visibility:hidden}.p-scrollpanel:hover .p-scrollpanel-bar,.p-scrollpanel:active .p-scrollpanel-bar{opacity:1}.p-scrollpanel-grabbed{-webkit-user-select:none;user-select:none}}\n"] }]
        }], ctorParameters: () => [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [PLATFORM_ID]
                }] }, { type: i0.ElementRef }, { type: i0.NgZone }, { type: i0.ChangeDetectorRef }, { type: Document, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }, { type: i0.Renderer2 }], propDecorators: { style: [{
                type: Input
            }], styleClass: [{
                type: Input
            }], step: [{
                type: Input,
                args: [{ transform: numberAttribute }]
            }], containerViewChild: [{
                type: ViewChild,
                args: ['container']
            }], contentViewChild: [{
                type: ViewChild,
                args: ['content']
            }], xBarViewChild: [{
                type: ViewChild,
                args: ['xBar']
            }], yBarViewChild: [{
                type: ViewChild,
                args: ['yBar']
            }], templates: [{
                type: ContentChildren,
                args: [PrimeTemplate]
            }] } });
class ScrollPanelModule {
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: ScrollPanelModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
    static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "17.3.7", ngImport: i0, type: ScrollPanelModule, declarations: [ScrollPanel], imports: [CommonModule], exports: [ScrollPanel] });
    static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: ScrollPanelModule, imports: [CommonModule] });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.7", ngImport: i0, type: ScrollPanelModule, decorators: [{
            type: NgModule,
            args: [{
                    imports: [CommonModule],
                    exports: [ScrollPanel],
                    declarations: [ScrollPanel]
                }]
        }] });

/**
 * Generated bundle index. Do not edit.
 */

export { ScrollPanel, ScrollPanelModule };
//# sourceMappingURL=primeng-scrollpanel.mjs.map