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    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { ComponentFactoryResolver, Injectable, NgZone } from '@angular/core';
import { filter, takeUntil, takeWhile, distinctUntilChanged } from 'rxjs/operators';
import { Subject, BehaviorSubject } from 'rxjs';
import { createContainer, ElOverlayService, patch } from '../overlay-service';
import { ElOverlayContainer } from '../mapping';
var ElDynamicOverlay = /** @class */ (function () {
    function ElDynamicOverlay(overlay, componentFactoryResolver, zone, overlayContainer) {
        this.overlay = overlay;
        this.componentFactoryResolver = componentFactoryResolver;
        this.zone = zone;
        this.overlayContainer = overlayContainer;
        this.context = {};
        this.overlayConfig = {};
        this.positionStrategyChange$ = new Subject();
        this.isShown$ = new BehaviorSubject(false);
        this.alive = true;
    }
    Object.defineProperty(ElDynamicOverlay.prototype, "isAttached", {
        get: function () {
            return this.ref && this.ref.hasAttached();
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(ElDynamicOverlay.prototype, "isShown", {
        get: function () {
            return this.isShown$.pipe(distinctUntilChanged());
        },
        enumerable: true,
        configurable: true
    });
    ElDynamicOverlay.prototype.create = function (componentType, content, context, positionStrategy, overlayConfig) {
        if (overlayConfig === void 0) { overlayConfig = {}; }
        this.setContentAndContext(content, context);
        this.setComponent(componentType);
        this.setPositionStrategy(positionStrategy);
        this.setOverlayConfig(overlayConfig);
        return this;
    };
    ElDynamicOverlay.prototype.setContent = function (content) {
        this.content = content;
        if (this.container) {
            this.updateContext();
        }
    };
    ElDynamicOverlay.prototype.setContext = function (context) {
        this.context = context;
        if (this.container) {
            this.updateContext();
        }
    };
    ElDynamicOverlay.prototype.setContentAndContext = function (content, context) {
        this.content = content;
        this.context = context;
        if (this.container) {
            this.updateContext();
        }
    };
    ElDynamicOverlay.prototype.setComponent = function (componentType) {
        this.componentType = componentType;
        // in case the component is shown we recreate it and show it back
        var wasAttached = this.isAttached;
        this.disposeOverlayRef();
        if (wasAttached) {
            this.show();
        }
    };
    ElDynamicOverlay.prototype.setPositionStrategy = function (positionStrategy) {
        var _this = this;
        this.positionStrategyChange$.next();
        this.positionStrategy = positionStrategy;
        this.positionStrategy.positionChange
            .pipe(takeWhile(function () { return _this.alive; }), takeUntil(this.positionStrategyChange$), filter(function () { return !!_this.container; }))
            .subscribe(function (position) { return patch(_this.container, { position: position }); });
        if (this.ref) {
            this.ref.updatePositionStrategy(this.positionStrategy);
        }
    };
    ElDynamicOverlay.prototype.setOverlayConfig = function (overlayConfig) {
        this.overlayConfig = overlayConfig;
        var wasAttached = this.isAttached;
        this.disposeOverlayRef();
        if (wasAttached) {
            this.show();
        }
    };
    ElDynamicOverlay.prototype.show = function () {
        if (!this.ref) {
            this.createOverlay();
        }
        this.renderContainer();
        if (!this.hasOverlayInContainer()) {
            // Dispose overlay ref as it refers to the old overlay container and create new by calling `show`
            this.disposeOverlayRef();
            return this.show();
        }
        this.isShown$.next(true);
    };
    ElDynamicOverlay.prototype.hide = function () {
        if (!this.ref) {
            return;
        }
        this.ref.detach();
        this.container = null;
        this.isShown$.next(false);
    };
    ElDynamicOverlay.prototype.toggle = function () {
        if (this.isAttached) {
            this.hide();
        }
        else {
            this.show();
        }
    };
    ElDynamicOverlay.prototype.dispose = function () {
        this.alive = false;
        this.hide();
        this.disposeOverlayRef();
        this.isShown$.complete();
        this.positionStrategyChange$.complete();
    };
    ElDynamicOverlay.prototype.getContainer = function () {
        return this.container;
    };
    ElDynamicOverlay.prototype.createOverlay = function () {
        this.ref = this.overlay.create(__assign({ positionStrategy: this.positionStrategy, scrollStrategy: this.overlay.scrollStrategies.reposition() }, this.overlayConfig));
        this.updatePositionWhenStable();
    };
    ElDynamicOverlay.prototype.renderContainer = function () {
        var containerContext = this.createContainerContext();
        if (!this.container) {
            this.container = createContainer(this.ref, this.componentType, containerContext, this.componentFactoryResolver);
        }
        this.container.instance.renderContent();
    };
    ElDynamicOverlay.prototype.updateContext = function () {
        var containerContext = this.createContainerContext();
        Object.assign(this.container.instance, containerContext);
        this.container.instance.renderContent();
        this.container.changeDetectorRef.detectChanges();
    };
    ElDynamicOverlay.prototype.createContainerContext = function () {
        return {
            content: this.content,
            context: this.context,
            cfr: this.componentFactoryResolver,
        };
    };
    /**
     * Dimensions of the container may change after content update. So we listen to zone.stable event to
     * reposition the container.
     */
    ElDynamicOverlay.prototype.updatePositionWhenStable = function () {
        var _this = this;
        this.zone.onStable
            .pipe(takeWhile(function () { return _this.alive; }))
            .subscribe(function () {
            _this.ref && _this.ref.updatePosition();
        });
    };
    ElDynamicOverlay.prototype.hasOverlayInContainer = function () {
        return this.overlayContainer.getContainerElement().contains(this.ref.hostElement);
    };
    ElDynamicOverlay.prototype.disposeOverlayRef = function () {
        if (this.ref) {
            this.ref.dispose();
            this.ref = null;
            this.container = null;
        }
    };
    ElDynamicOverlay = __decorate([
        Injectable(),
        __metadata("design:paramtypes", [ElOverlayService,
            ComponentFactoryResolver,
            NgZone,
            ElOverlayContainer])
    ], ElDynamicOverlay);
    return ElDynamicOverlay;
}());
export { ElDynamicOverlay };
//# sourceMappingURL=dynamic-overlay.js.map