(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('tslib'), require('@angular/core'), require('@angular/common')) :
    typeof define === 'function' && define.amd ? define('@angular/cdk/portal', ['exports', 'tslib', '@angular/core', '@angular/common'], factory) :
    (global = global || self, factory((global.ng = global.ng || {}, global.ng.cdk = global.ng.cdk || {}, global.ng.cdk.portal = {}), global.tslib, global.ng.core, global.ng.common));
}(this, (function (exports, tslib, core, common) { 'use strict';

    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    /**
     * Throws an exception when attempting to attach a null portal to a host.
     * @docs-private
     */
    function throwNullPortalError() {
        throw Error('Must provide a portal to attach');
    }
    /**
     * Throws an exception when attempting to attach a portal to a host that is already attached.
     * @docs-private
     */
    function throwPortalAlreadyAttachedError() {
        throw Error('Host already has a portal attached');
    }
    /**
     * Throws an exception when attempting to attach a portal to an already-disposed host.
     * @docs-private
     */
    function throwPortalOutletAlreadyDisposedError() {
        throw Error('This PortalOutlet has already been disposed');
    }
    /**
     * Throws an exception when attempting to attach an unknown portal type.
     * @docs-private
     */
    function throwUnknownPortalTypeError() {
        throw Error('Attempting to attach an unknown Portal type. BasePortalOutlet accepts either ' +
            'a ComponentPortal or a TemplatePortal.');
    }
    /**
     * Throws an exception when attempting to attach a portal to a null host.
     * @docs-private
     */
    function throwNullPortalOutletError() {
        throw Error('Attempting to attach a portal to a null PortalOutlet');
    }
    /**
     * Throws an exception when attempting to detach a portal that is not attached.
     * @docs-private
     */
    function throwNoPortalAttachedError() {
        throw Error('Attempting to detach a portal that is not attached to a host');
    }

    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    /**
     * A `Portal` is something that you want to render somewhere else.
     * It can be attach to / detached from a `PortalOutlet`.
     */
    var Portal = /** @class */ (function () {
        function Portal() {
        }
        /** Attach this portal to a host. */
        Portal.prototype.attach = function (host) {
            if (host == null) {
                throwNullPortalOutletError();
            }
            if (host.hasAttached()) {
                throwPortalAlreadyAttachedError();
            }
            this._attachedHost = host;
            return host.attach(this);
        };
        /** Detach this portal from its host */
        Portal.prototype.detach = function () {
            var host = this._attachedHost;
            if (host == null) {
                throwNoPortalAttachedError();
            }
            else {
                this._attachedHost = null;
                host.detach();
            }
        };
        Object.defineProperty(Portal.prototype, "isAttached", {
            /** Whether this portal is attached to a host. */
            get: function () {
                return this._attachedHost != null;
            },
            enumerable: true,
            configurable: true
        });
        /**
         * Sets the PortalOutlet reference without performing `attach()`. This is used directly by
         * the PortalOutlet when it is performing an `attach()` or `detach()`.
         */
        Portal.prototype.setAttachedHost = function (host) {
            this._attachedHost = host;
        };
        return Portal;
    }());
    /**
     * A `ComponentPortal` is a portal that instantiates some Component upon attachment.
     */
    var ComponentPortal = /** @class */ (function (_super) {
        tslib.__extends(ComponentPortal, _super);
        function ComponentPortal(component, viewContainerRef, injector, componentFactoryResolver) {
            var _this = _super.call(this) || this;
            _this.component = component;
            _this.viewContainerRef = viewContainerRef;
            _this.injector = injector;
            _this.componentFactoryResolver = componentFactoryResolver;
            return _this;
        }
        return ComponentPortal;
    }(Portal));
    /**
     * A `TemplatePortal` is a portal that represents some embedded template (TemplateRef).
     */
    var TemplatePortal = /** @class */ (function (_super) {
        tslib.__extends(TemplatePortal, _super);
        function TemplatePortal(template, viewContainerRef, context) {
            var _this = _super.call(this) || this;
            _this.templateRef = template;
            _this.viewContainerRef = viewContainerRef;
            _this.context = context;
            return _this;
        }
        Object.defineProperty(TemplatePortal.prototype, "origin", {
            get: function () {
                return this.templateRef.elementRef;
            },
            enumerable: true,
            configurable: true
        });
        /**
         * Attach the portal to the provided `PortalOutlet`.
         * When a context is provided it will override the `context` property of the `TemplatePortal`
         * instance.
         */
        TemplatePortal.prototype.attach = function (host, context) {
            if (context === void 0) { context = this.context; }
            this.context = context;
            return _super.prototype.attach.call(this, host);
        };
        TemplatePortal.prototype.detach = function () {
            this.context = undefined;
            return _super.prototype.detach.call(this);
        };
        return TemplatePortal;
    }(Portal));
    /**
     * A `DomPortal` is a portal whose DOM element will be taken from its current position
     * in the DOM and moved into a portal outlet, when it is attached. On detach, the content
     * will be restored to its original position.
     */
    var DomPortal = /** @class */ (function (_super) {
        tslib.__extends(DomPortal, _super);
        function DomPortal(element) {
            var _this = _super.call(this) || this;
            _this.element = element instanceof core.ElementRef ? element.nativeElement : element;
            return _this;
        }
        return DomPortal;
    }(Portal));
    /**
     * Partial implementation of PortalOutlet that handles attaching
     * ComponentPortal and TemplatePortal.
     */
    var BasePortalOutlet = /** @class */ (function () {
        function BasePortalOutlet() {
            /** Whether this host has already been permanently disposed. */
            this._isDisposed = false;
            // @breaking-change 10.0.0 `attachDomPortal` to become a required abstract method.
            this.attachDomPortal = null;
        }
        /** Whether this host has an attached portal. */
        BasePortalOutlet.prototype.hasAttached = function () {
            return !!this._attachedPortal;
        };
        /** Attaches a portal. */
        BasePortalOutlet.prototype.attach = function (portal) {
            if (!portal) {
                throwNullPortalError();
            }
            if (this.hasAttached()) {
                throwPortalAlreadyAttachedError();
            }
            if (this._isDisposed) {
                throwPortalOutletAlreadyDisposedError();
            }
            if (portal instanceof ComponentPortal) {
                this._attachedPortal = portal;
                return this.attachComponentPortal(portal);
            }
            else if (portal instanceof TemplatePortal) {
                this._attachedPortal = portal;
                return this.attachTemplatePortal(portal);
                // @breaking-change 10.0.0 remove null check for `this.attachDomPortal`.
            }
            else if (this.attachDomPortal && portal instanceof DomPortal) {
                this._attachedPortal = portal;
                return this.attachDomPortal(portal);
            }
            throwUnknownPortalTypeError();
        };
        /** Detaches a previously attached portal. */
        BasePortalOutlet.prototype.detach = function () {
            if (this._attachedPortal) {
                this._attachedPortal.setAttachedHost(null);
                this._attachedPortal = null;
            }
            this._invokeDisposeFn();
        };
        /** Permanently dispose of this portal host. */
        BasePortalOutlet.prototype.dispose = function () {
            if (this.hasAttached()) {
                this.detach();
            }
            this._invokeDisposeFn();
            this._isDisposed = true;
        };
        /** @docs-private */
        BasePortalOutlet.prototype.setDisposeFn = function (fn) {
            this._disposeFn = fn;
        };
        BasePortalOutlet.prototype._invokeDisposeFn = function () {
            if (this._disposeFn) {
                this._disposeFn();
                this._disposeFn = null;
            }
        };
        return BasePortalOutlet;
    }());
    /**
     * @deprecated Use `BasePortalOutlet` instead.
     * @breaking-change 9.0.0
     */
    var BasePortalHost = /** @class */ (function (_super) {
        tslib.__extends(BasePortalHost, _super);
        function BasePortalHost() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        return BasePortalHost;
    }(BasePortalOutlet));

    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    /**
     * A PortalOutlet for attaching portals to an arbitrary DOM element outside of the Angular
     * application context.
     */
    var DomPortalOutlet = /** @class */ (function (_super) {
        tslib.__extends(DomPortalOutlet, _super);
        function DomPortalOutlet(
        /** Element into which the content is projected. */
        outletElement, _componentFactoryResolver, _appRef, _defaultInjector, 
        /**
         * @deprecated `_document` Parameter to be made required.
         * @breaking-change 10.0.0
         */
        _document) {
            var _this = _super.call(this) || this;
            _this.outletElement = outletElement;
            _this._componentFactoryResolver = _componentFactoryResolver;
            _this._appRef = _appRef;
            _this._defaultInjector = _defaultInjector;
            /**
             * Attaches a DOM portal by transferring its content into the outlet.
             * @param portal Portal to be attached.
             * @deprecated To be turned into a method.
             * @breaking-change 10.0.0
             */
            _this.attachDomPortal = function (portal) {
                // @breaking-change 10.0.0 Remove check and error once the
                // `_document` constructor parameter is required.
                if (!_this._document) {
                    throw Error('Cannot attach DOM portal without _document constructor parameter');
                }
                var element = portal.element;
                if (!element.parentNode) {
                    throw Error('DOM portal content must be attached to a parent node.');
                }
                // Anchor used to save the element's previous position so
                // that we can restore it when the portal is detached.
                var anchorNode = _this._document.createComment('dom-portal');
                element.parentNode.insertBefore(anchorNode, element);
                _this.outletElement.appendChild(element);
                _super.prototype.setDisposeFn.call(_this, function () {
                    // We can't use `replaceWith` here because IE doesn't support it.
                    if (anchorNode.parentNode) {
                        anchorNode.parentNode.replaceChild(element, anchorNode);
                    }
                });
            };
            _this._document = _document;
            return _this;
        }
        /**
         * Attach the given ComponentPortal to DOM element using the ComponentFactoryResolver.
         * @param portal Portal to be attached
         * @returns Reference to the created component.
         */
        DomPortalOutlet.prototype.attachComponentPortal = function (portal) {
            var _this = this;
            var resolver = portal.componentFactoryResolver || this._componentFactoryResolver;
            var componentFactory = resolver.resolveComponentFactory(portal.component);
            var componentRef;
            // If the portal specifies a ViewContainerRef, we will use that as the attachment point
            // for the component (in terms of Angular's component tree, not rendering).
            // When the ViewContainerRef is missing, we use the factory to create the component directly
            // and then manually attach the view to the application.
            if (portal.viewContainerRef) {
                componentRef = portal.viewContainerRef.createComponent(componentFactory, portal.viewContainerRef.length, portal.injector || portal.viewContainerRef.injector);
                this.setDisposeFn(function () { return componentRef.destroy(); });
            }
            else {
                componentRef = componentFactory.create(portal.injector || this._defaultInjector);
                this._appRef.attachView(componentRef.hostView);
                this.setDisposeFn(function () {
                    _this._appRef.detachView(componentRef.hostView);
                    componentRef.destroy();
                });
            }
            // At this point the component has been instantiated, so we move it to the location in the DOM
            // where we want it to be rendered.
            this.outletElement.appendChild(this._getComponentRootNode(componentRef));
            return componentRef;
        };
        /**
         * Attaches a template portal to the DOM as an embedded view.
         * @param portal Portal to be attached.
         * @returns Reference to the created embedded view.
         */
        DomPortalOutlet.prototype.attachTemplatePortal = function (portal) {
            var _this = this;
            var viewContainer = portal.viewContainerRef;
            var viewRef = viewContainer.createEmbeddedView(portal.templateRef, portal.context);
            viewRef.detectChanges();
            // The method `createEmbeddedView` will add the view as a child of the viewContainer.
            // But for the DomPortalOutlet the view can be added everywhere in the DOM
            // (e.g Overlay Container) To move the view to the specified host element. We just
            // re-append the existing root nodes.
            viewRef.rootNodes.forEach(function (rootNode) { return _this.outletElement.appendChild(rootNode); });
            this.setDisposeFn((function () {
                var index = viewContainer.indexOf(viewRef);
                if (index !== -1) {
                    viewContainer.remove(index);
                }
            }));
            // TODO(jelbourn): Return locals from view.
            return viewRef;
        };
        /**
         * Clears out a portal from the DOM.
         */
        DomPortalOutlet.prototype.dispose = function () {
            _super.prototype.dispose.call(this);
            if (this.outletElement.parentNode != null) {
                this.outletElement.parentNode.removeChild(this.outletElement);
            }
        };
        /** Gets the root HTMLElement for an instantiated component. */
        DomPortalOutlet.prototype._getComponentRootNode = function (componentRef) {
            return componentRef.hostView.rootNodes[0];
        };
        return DomPortalOutlet;
    }(BasePortalOutlet));
    /**
     * @deprecated Use `DomPortalOutlet` instead.
     * @breaking-change 9.0.0
     */
    var DomPortalHost = /** @class */ (function (_super) {
        tslib.__extends(DomPortalHost, _super);
        function DomPortalHost() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        return DomPortalHost;
    }(DomPortalOutlet));

    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    /**
     * Directive version of a `TemplatePortal`. Because the directive *is* a TemplatePortal,
     * the directive instance itself can be attached to a host, enabling declarative use of portals.
     */
    var CdkPortal = /** @class */ (function (_super) {
        tslib.__extends(CdkPortal, _super);
        function CdkPortal(templateRef, viewContainerRef) {
            return _super.call(this, templateRef, viewContainerRef) || this;
        }
        CdkPortal.decorators = [
            { type: core.Directive, args: [{
                        selector: '[cdkPortal]',
                        exportAs: 'cdkPortal',
                    },] }
        ];
        /** @nocollapse */
        CdkPortal.ctorParameters = function () { return [
            { type: core.TemplateRef },
            { type: core.ViewContainerRef }
        ]; };
        return CdkPortal;
    }(TemplatePortal));
    /**
     * @deprecated Use `CdkPortal` instead.
     * @breaking-change 9.0.0
     */
    var TemplatePortalDirective = /** @class */ (function (_super) {
        tslib.__extends(TemplatePortalDirective, _super);
        function TemplatePortalDirective() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        TemplatePortalDirective.decorators = [
            { type: core.Directive, args: [{
                        selector: '[cdk-portal], [portal]',
                        exportAs: 'cdkPortal',
                        providers: [{
                                provide: CdkPortal,
                                useExisting: TemplatePortalDirective
                            }]
                    },] }
        ];
        return TemplatePortalDirective;
    }(CdkPortal));
    /**
     * Directive version of a PortalOutlet. Because the directive *is* a PortalOutlet, portals can be
     * directly attached to it, enabling declarative use.
     *
     * Usage:
     * `<ng-template [cdkPortalOutlet]="greeting"></ng-template>`
     */
    var CdkPortalOutlet = /** @class */ (function (_super) {
        tslib.__extends(CdkPortalOutlet, _super);
        function CdkPortalOutlet(_componentFactoryResolver, _viewContainerRef, 
        /**
         * @deprecated `_document` parameter to be made required.
         * @breaking-change 9.0.0
         */
        _document) {
            var _this = _super.call(this) || this;
            _this._componentFactoryResolver = _componentFactoryResolver;
            _this._viewContainerRef = _viewContainerRef;
            /** Whether the portal component is initialized. */
            _this._isInitialized = false;
            /** Emits when a portal is attached to the outlet. */
            _this.attached = new core.EventEmitter();
            /**
             * Attaches the given DomPortal to this PortalHost by moving all of the portal content into it.
             * @param portal Portal to be attached.
             * @deprecated To be turned into a method.
             * @breaking-change 10.0.0
             */
            _this.attachDomPortal = function (portal) {
                // @breaking-change 9.0.0 Remove check and error once the
                // `_document` constructor parameter is required.
                if (!_this._document) {
                    throw Error('Cannot attach DOM portal without _document constructor parameter');
                }
                var element = portal.element;
                if (!element.parentNode) {
                    throw Error('DOM portal content must be attached to a parent node.');
                }
                // Anchor used to save the element's previous position so
                // that we can restore it when the portal is detached.
                var anchorNode = _this._document.createComment('dom-portal');
                portal.setAttachedHost(_this);
                element.parentNode.insertBefore(anchorNode, element);
                _this._getRootNode().appendChild(element);
                _super.prototype.setDisposeFn.call(_this, function () {
                    if (anchorNode.parentNode) {
                        anchorNode.parentNode.replaceChild(element, anchorNode);
                    }
                });
            };
            _this._document = _document;
            return _this;
        }
        Object.defineProperty(CdkPortalOutlet.prototype, "portal", {
            /** Portal associated with the Portal outlet. */
            get: function () {
                return this._attachedPortal;
            },
            set: function (portal) {
                // Ignore the cases where the `portal` is set to a falsy value before the lifecycle hooks have
                // run. This handles the cases where the user might do something like `<div cdkPortalOutlet>`
                // and attach a portal programmatically in the parent component. When Angular does the first CD
                // round, it will fire the setter with empty string, causing the user's content to be cleared.
                if (this.hasAttached() && !portal && !this._isInitialized) {
                    return;
                }
                if (this.hasAttached()) {
                    _super.prototype.detach.call(this);
                }
                if (portal) {
                    _super.prototype.attach.call(this, portal);
                }
                this._attachedPortal = portal;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(CdkPortalOutlet.prototype, "attachedRef", {
            /** Component or view reference that is attached to the portal. */
            get: function () {
                return this._attachedRef;
            },
            enumerable: true,
            configurable: true
        });
        CdkPortalOutlet.prototype.ngOnInit = function () {
            this._isInitialized = true;
        };
        CdkPortalOutlet.prototype.ngOnDestroy = function () {
            _super.prototype.dispose.call(this);
            this._attachedPortal = null;
            this._attachedRef = null;
        };
        /**
         * Attach the given ComponentPortal to this PortalOutlet using the ComponentFactoryResolver.
         *
         * @param portal Portal to be attached to the portal outlet.
         * @returns Reference to the created component.
         */
        CdkPortalOutlet.prototype.attachComponentPortal = function (portal) {
            portal.setAttachedHost(this);
            // If the portal specifies an origin, use that as the logical location of the component
            // in the application tree. Otherwise use the location of this PortalOutlet.
            var viewContainerRef = portal.viewContainerRef != null ?
                portal.viewContainerRef :
                this._viewContainerRef;
            var resolver = portal.componentFactoryResolver || this._componentFactoryResolver;
            var componentFactory = resolver.resolveComponentFactory(portal.component);
            var ref = viewContainerRef.createComponent(componentFactory, viewContainerRef.length, portal.injector || viewContainerRef.injector);
            // If we're using a view container that's different from the injected one (e.g. when the portal
            // specifies its own) we need to move the component into the outlet, otherwise it'll be rendered
            // inside of the alternate view container.
            if (viewContainerRef !== this._viewContainerRef) {
                this._getRootNode().appendChild(ref.hostView.rootNodes[0]);
            }
            _super.prototype.setDisposeFn.call(this, function () { return ref.destroy(); });
            this._attachedPortal = portal;
            this._attachedRef = ref;
            this.attached.emit(ref);
            return ref;
        };
        /**
         * Attach the given TemplatePortal to this PortalHost as an embedded View.
         * @param portal Portal to be attached.
         * @returns Reference to the created embedded view.
         */
        CdkPortalOutlet.prototype.attachTemplatePortal = function (portal) {
            var _this = this;
            portal.setAttachedHost(this);
            var viewRef = this._viewContainerRef.createEmbeddedView(portal.templateRef, portal.context);
            _super.prototype.setDisposeFn.call(this, function () { return _this._viewContainerRef.clear(); });
            this._attachedPortal = portal;
            this._attachedRef = viewRef;
            this.attached.emit(viewRef);
            return viewRef;
        };
        /** Gets the root node of the portal outlet. */
        CdkPortalOutlet.prototype._getRootNode = function () {
            var nativeElement = this._viewContainerRef.element.nativeElement;
            // The directive could be set on a template which will result in a comment
            // node being the root. Use the comment's parent node if that is the case.
            return (nativeElement.nodeType === nativeElement.ELEMENT_NODE ?
                nativeElement : nativeElement.parentNode);
        };
        CdkPortalOutlet.decorators = [
            { type: core.Directive, args: [{
                        selector: '[cdkPortalOutlet]',
                        exportAs: 'cdkPortalOutlet',
                        inputs: ['portal: cdkPortalOutlet']
                    },] }
        ];
        /** @nocollapse */
        CdkPortalOutlet.ctorParameters = function () { return [
            { type: core.ComponentFactoryResolver },
            { type: core.ViewContainerRef },
            { type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] }
        ]; };
        CdkPortalOutlet.propDecorators = {
            attached: [{ type: core.Output }]
        };
        return CdkPortalOutlet;
    }(BasePortalOutlet));
    /**
     * @deprecated Use `CdkPortalOutlet` instead.
     * @breaking-change 9.0.0
     */
    var PortalHostDirective = /** @class */ (function (_super) {
        tslib.__extends(PortalHostDirective, _super);
        function PortalHostDirective() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        PortalHostDirective.decorators = [
            { type: core.Directive, args: [{
                        selector: '[cdkPortalHost], [portalHost]',
                        exportAs: 'cdkPortalHost',
                        inputs: ['portal: cdkPortalHost'],
                        providers: [{
                                provide: CdkPortalOutlet,
                                useExisting: PortalHostDirective
                            }]
                    },] }
        ];
        return PortalHostDirective;
    }(CdkPortalOutlet));
    var PortalModule = /** @class */ (function () {
        function PortalModule() {
        }
        PortalModule.decorators = [
            { type: core.NgModule, args: [{
                        exports: [CdkPortal, CdkPortalOutlet, TemplatePortalDirective, PortalHostDirective],
                        declarations: [CdkPortal, CdkPortalOutlet, TemplatePortalDirective, PortalHostDirective],
                    },] }
        ];
        return PortalModule;
    }());

    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    /**
     * Custom injector to be used when providing custom
     * injection tokens to components inside a portal.
     * @docs-private
     */
    var PortalInjector = /** @class */ (function () {
        function PortalInjector(_parentInjector, _customTokens) {
            this._parentInjector = _parentInjector;
            this._customTokens = _customTokens;
        }
        PortalInjector.prototype.get = function (token, notFoundValue) {
            var value = this._customTokens.get(token);
            if (typeof value !== 'undefined') {
                return value;
            }
            return this._parentInjector.get(token, notFoundValue);
        };
        return PortalInjector;
    }());

    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */

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

    exports.BasePortalHost = BasePortalHost;
    exports.BasePortalOutlet = BasePortalOutlet;
    exports.CdkPortal = CdkPortal;
    exports.CdkPortalOutlet = CdkPortalOutlet;
    exports.ComponentPortal = ComponentPortal;
    exports.DomPortal = DomPortal;
    exports.DomPortalHost = DomPortalHost;
    exports.DomPortalOutlet = DomPortalOutlet;
    exports.Portal = Portal;
    exports.PortalHostDirective = PortalHostDirective;
    exports.PortalInjector = PortalInjector;
    exports.PortalModule = PortalModule;
    exports.TemplatePortal = TemplatePortal;
    exports.TemplatePortalDirective = TemplatePortalDirective;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=cdk-portal.umd.js.map