/**
 * @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
 */
import { DOCUMENT, isPlatformServer } from '@angular/common';
import { APP_ID, CSP_NONCE, Inject, Injectable, Optional, PLATFORM_ID } from '@angular/core';
import * as i0 from "@angular/core";
/** The style elements attribute name used to set value of `APP_ID` token. */
const APP_ID_ATTRIBUTE_NAME = 'ng-app-id';
export class SharedStylesHost {
    constructor(doc, appId, nonce, platformId = {}) {
        this.doc = doc;
        this.appId = appId;
        this.nonce = nonce;
        this.platformId = platformId;
        // Maps all registered host nodes to a list of style nodes that have been added to the host node.
        this.styleRef = new Map();
        this.hostNodes = new Set();
        this.styleNodesInDOM = this.collectServerRenderedStyles();
        this.platformIsServer = isPlatformServer(platformId);
        this.resetHostNodes();
    }
    addStyles(styles) {
        for (const style of styles) {
            const usageCount = this.changeUsageCount(style, 1);
            if (usageCount === 1) {
                this.onStyleAdded(style);
            }
        }
    }
    removeStyles(styles) {
        for (const style of styles) {
            const usageCount = this.changeUsageCount(style, -1);
            if (usageCount <= 0) {
                this.onStyleRemoved(style);
            }
        }
    }
    ngOnDestroy() {
        const styleNodesInDOM = this.styleNodesInDOM;
        if (styleNodesInDOM) {
            styleNodesInDOM.forEach((node) => node.remove());
            styleNodesInDOM.clear();
        }
        for (const style of this.getAllStyles()) {
            this.onStyleRemoved(style);
        }
        this.resetHostNodes();
    }
    addHost(hostNode) {
        this.hostNodes.add(hostNode);
        for (const style of this.getAllStyles()) {
            this.addStyleToHost(hostNode, style);
        }
    }
    removeHost(hostNode) {
        this.hostNodes.delete(hostNode);
    }
    getAllStyles() {
        return this.styleRef.keys();
    }
    onStyleAdded(style) {
        for (const host of this.hostNodes) {
            this.addStyleToHost(host, style);
        }
    }
    onStyleRemoved(style) {
        const styleRef = this.styleRef;
        styleRef.get(style)?.elements?.forEach((node) => node.remove());
        styleRef.delete(style);
    }
    collectServerRenderedStyles() {
        const styles = this.doc.head?.querySelectorAll(`style[${APP_ID_ATTRIBUTE_NAME}="${this.appId}"]`);
        if (styles?.length) {
            const styleMap = new Map();
            styles.forEach((style) => {
                if (style.textContent != null) {
                    styleMap.set(style.textContent, style);
                }
            });
            return styleMap;
        }
        return null;
    }
    changeUsageCount(style, delta) {
        const map = this.styleRef;
        if (map.has(style)) {
            const styleRefValue = map.get(style);
            styleRefValue.usage += delta;
            return styleRefValue.usage;
        }
        map.set(style, { usage: delta, elements: [] });
        return delta;
    }
    getStyleElement(host, style) {
        const styleNodesInDOM = this.styleNodesInDOM;
        const styleEl = styleNodesInDOM?.get(style);
        if (styleEl?.parentNode === host) {
            // `styleNodesInDOM` cannot be undefined due to the above `styleNodesInDOM?.get`.
            styleNodesInDOM.delete(style);
            styleEl.removeAttribute(APP_ID_ATTRIBUTE_NAME);
            if (typeof ngDevMode === 'undefined' || ngDevMode) {
                // This attribute is solely used for debugging purposes.
                styleEl.setAttribute('ng-style-reused', '');
            }
            return styleEl;
        }
        else {
            const styleEl = this.doc.createElement('style');
            if (this.nonce) {
                styleEl.setAttribute('nonce', this.nonce);
            }
            styleEl.textContent = style;
            if (this.platformIsServer) {
                styleEl.setAttribute(APP_ID_ATTRIBUTE_NAME, this.appId);
            }
            return styleEl;
        }
    }
    addStyleToHost(host, style) {
        const styleEl = this.getStyleElement(host, style);
        host.appendChild(styleEl);
        const styleRef = this.styleRef;
        const styleElRef = styleRef.get(style)?.elements;
        if (styleElRef) {
            styleElRef.push(styleEl);
        }
        else {
            styleRef.set(style, { elements: [styleEl], usage: 1 });
        }
    }
    resetHostNodes() {
        const hostNodes = this.hostNodes;
        hostNodes.clear();
        // Re-add the head element back since this is the default host.
        hostNodes.add(this.doc.head);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: SharedStylesHost, deps: [{ token: DOCUMENT }, { token: APP_ID }, { token: CSP_NONCE, optional: true }, { token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: SharedStylesHost }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: SharedStylesHost, decorators: [{
            type: Injectable
        }], ctorParameters: function () { return [{ type: Document, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [APP_ID]
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [CSP_NONCE]
                }, {
                    type: Optional
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [PLATFORM_ID]
                }] }]; } });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"shared_styles_host.js","sourceRoot":"","sources":["../../../../../../../packages/platform-browser/src/dom/shared_styles_host.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,QAAQ,EAAE,gBAAgB,EAAC,MAAM,iBAAiB,CAAC;AAC3D,OAAO,EAAC,MAAM,EAAE,SAAS,EAAE,MAAM,EAAE,UAAU,EAAa,QAAQ,EAAE,WAAW,EAAC,MAAM,eAAe,CAAC;;AAEtG,6EAA6E;AAC7E,MAAM,qBAAqB,GAAG,WAAW,CAAC;AAG1C,MAAM,OAAO,gBAAgB;IAW3B,YACuC,GAAa,EACf,KAAa,EACP,KAAmB,EAC5B,aAAqB,EAAE;QAHlB,QAAG,GAAH,GAAG,CAAU;QACf,UAAK,GAAL,KAAK,CAAQ;QACP,UAAK,GAAL,KAAK,CAAc;QAC5B,eAAU,GAAV,UAAU,CAAa;QAdzD,iGAAiG;QAChF,aAAQ,GAAG,IAAI,GAAG,EAI/B,CAAC;QACY,cAAS,GAAG,IAAI,GAAG,EAAQ,CAAC;QAS3C,IAAI,CAAC,eAAe,GAAG,IAAI,CAAC,2BAA2B,EAAE,CAAC;QAC1D,IAAI,CAAC,gBAAgB,GAAG,gBAAgB,CAAC,UAAU,CAAC,CAAC;QACrD,IAAI,CAAC,cAAc,EAAE,CAAC;IACxB,CAAC;IAED,SAAS,CAAC,MAAgB;QACxB,KAAK,MAAM,KAAK,IAAI,MAAM,EAAE;YAC1B,MAAM,UAAU,GAAG,IAAI,CAAC,gBAAgB,CAAC,KAAK,EAAE,CAAC,CAAC,CAAC;YAEnD,IAAI,UAAU,KAAK,CAAC,EAAE;gBACpB,IAAI,CAAC,YAAY,CAAC,KAAK,CAAC,CAAC;aAC1B;SACF;IACH,CAAC;IAED,YAAY,CAAC,MAAgB;QAC3B,KAAK,MAAM,KAAK,IAAI,MAAM,EAAE;YAC1B,MAAM,UAAU,GAAG,IAAI,CAAC,gBAAgB,CAAC,KAAK,EAAE,CAAC,CAAC,CAAC,CAAC;YAEpD,IAAI,UAAU,IAAI,CAAC,EAAE;gBACnB,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,CAAC;aAC5B;SACF;IACH,CAAC;IAED,WAAW;QACT,MAAM,eAAe,GAAG,IAAI,CAAC,eAAe,CAAC;QAC7C,IAAI,eAAe,EAAE;YACnB,eAAe,CAAC,OAAO,CAAC,CAAC,IAAI,EAAE,EAAE,CAAC,IAAI,CAAC,MAAM,EAAE,CAAC,CAAC;YACjD,eAAe,CAAC,KAAK,EAAE,CAAC;SACzB;QAED,KAAK,MAAM,KAAK,IAAI,IAAI,CAAC,YAAY,EAAE,EAAE;YACvC,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,CAAC;SAC5B;QAED,IAAI,CAAC,cAAc,EAAE,CAAC;IACxB,CAAC;IAED,OAAO,CAAC,QAAc;QACpB,IAAI,CAAC,SAAS,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC;QAE7B,KAAK,MAAM,KAAK,IAAI,IAAI,CAAC,YAAY,EAAE,EAAE;YACvC,IAAI,CAAC,cAAc,CAAC,QAAQ,EAAE,KAAK,CAAC,CAAC;SACtC;IACH,CAAC;IAED,UAAU,CAAC,QAAc;QACvB,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,QAAQ,CAAC,CAAC;IAClC,CAAC;IAEO,YAAY;QAClB,OAAO,IAAI,CAAC,QAAQ,CAAC,IAAI,EAAE,CAAC;IAC9B,CAAC;IAEO,YAAY,CAAC,KAAa;QAChC,KAAK,MAAM,IAAI,IAAI,IAAI,CAAC,SAAS,EAAE;YACjC,IAAI,CAAC,cAAc,CAAC,IAAI,EAAE,KAAK,CAAC,CAAC;SAClC;IACH,CAAC;IAEO,cAAc,CAAC,KAAa;QAClC,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC;QAC/B,QAAQ,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE,QAAQ,EAAE,OAAO,CAAC,CAAC,IAAI,EAAE,EAAE,CAAC,IAAI,CAAC,MAAM,EAAE,CAAC,CAAC;QAChE,QAAQ,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;IACzB,CAAC;IAEO,2BAA2B;QACjC,MAAM,MAAM,GAAG,IAAI,CAAC,GAAG,CAAC,IAAI,EAAE,gBAAgB,CAC1C,SAAS,qBAAqB,KAAK,IAAI,CAAC,KAAK,IAAI,CAAC,CAAC;QAEvD,IAAI,MAAM,EAAE,MAAM,EAAE;YAClB,MAAM,QAAQ,GAAG,IAAI,GAAG,EAA4B,CAAC;YAErD,MAAM,CAAC,OAAO,CAAC,CAAC,KAAK,EAAE,EAAE;gBACvB,IAAI,KAAK,CAAC,WAAW,IAAI,IAAI,EAAE;oBAC7B,QAAQ,CAAC,GAAG,CAAC,KAAK,CAAC,WAAW,EAAE,KAAK,CAAC,CAAC;iBACxC;YACH,CAAC,CAAC,CAAC;YAEH,OAAO,QAAQ,CAAC;SACjB;QAED,OAAO,IAAI,CAAC;IACd,CAAC;IAEO,gBAAgB,CAAC,KAAa,EAAE,KAAa;QACnD,MAAM,GAAG,GAAG,IAAI,CAAC,QAAQ,CAAC;QAC1B,IAAI,GAAG,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE;YAClB,MAAM,aAAa,GAAG,GAAG,CAAC,GAAG,CAAC,KAAK,CAAE,CAAC;YACtC,aAAa,CAAC,KAAK,IAAI,KAAK,CAAC;YAE7B,OAAO,aAAa,CAAC,KAAK,CAAC;SAC5B;QAED,GAAG,CAAC,GAAG,CAAC,KAAK,EAAE,EAAC,KAAK,EAAE,KAAK,EAAE,QAAQ,EAAE,EAAE,EAAC,CAAC,CAAC;QAC7C,OAAO,KAAK,CAAC;IACf,CAAC;IAEO,eAAe,CAAC,IAAU,EAAE,KAAa;QAC/C,MAAM,eAAe,GAAG,IAAI,CAAC,eAAe,CAAC;QAC7C,MAAM,OAAO,GAAG,eAAe,EAAE,GAAG,CAAC,KAAK,CAAC,CAAC;QAC5C,IAAI,OAAO,EAAE,UAAU,KAAK,IAAI,EAAE;YAChC,iFAAiF;YACjF,eAAgB,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;YAE/B,OAAO,CAAC,eAAe,CAAC,qBAAqB,CAAC,CAAC;YAE/C,IAAI,OAAO,SAAS,KAAK,WAAW,IAAI,SAAS,EAAE;gBACjD,wDAAwD;gBACxD,OAAO,CAAC,YAAY,CAAC,iBAAiB,EAAE,EAAE,CAAC,CAAC;aAC7C;YAED,OAAO,OAAO,CAAC;SAChB;aAAM;YACL,MAAM,OAAO,GAAG,IAAI,CAAC,GAAG,CAAC,aAAa,CAAC,OAAO,CAAC,CAAC;YAEhD,IAAI,IAAI,CAAC,KAAK,EAAE;gBACd,OAAO,CAAC,YAAY,CAAC,OAAO,EAAE,IAAI,CAAC,KAAK,CAAC,CAAC;aAC3C;YAED,OAAO,CAAC,WAAW,GAAG,KAAK,CAAC;YAE5B,IAAI,IAAI,CAAC,gBAAgB,EAAE;gBACzB,OAAO,CAAC,YAAY,CAAC,qBAAqB,EAAE,IAAI,CAAC,KAAK,CAAC,CAAC;aACzD;YAED,OAAO,OAAO,CAAC;SAChB;IACH,CAAC;IAEO,cAAc,CAAC,IAAU,EAAE,KAAa;QAC9C,MAAM,OAAO,GAAG,IAAI,CAAC,eAAe,CAAC,IAAI,EAAE,KAAK,CAAC,CAAC;QAElD,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;QAE1B,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC;QAC/B,MAAM,UAAU,GAAG,QAAQ,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE,QAAQ,CAAC;QACjD,IAAI,UAAU,EAAE;YACd,UAAU,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;SAC1B;aAAM;YACL,QAAQ,CAAC,GAAG,CAAC,KAAK,EAAE,EAAC,QAAQ,EAAE,CAAC,OAAO,CAAC,EAAE,KAAK,EAAE,CAAC,EAAC,CAAC,CAAC;SACtD;IACH,CAAC;IAEO,cAAc;QACpB,MAAM,SAAS,GAAG,IAAI,CAAC,SAAS,CAAC;QACjC,SAAS,CAAC,KAAK,EAAE,CAAC;QAClB,+DAA+D;QAC/D,SAAS,CAAC,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC;IAC/B,CAAC;yHAtKU,gBAAgB,kBAYf,QAAQ,aACR,MAAM,aACN,SAAS,6BACT,WAAW;6HAfZ,gBAAgB;;sGAAhB,gBAAgB;kBAD5B,UAAU;;0BAaJ,MAAM;2BAAC,QAAQ;;0BACf,MAAM;2BAAC,MAAM;;0BACb,MAAM;2BAAC,SAAS;;0BAAG,QAAQ;;0BAC3B,MAAM;2BAAC,WAAW","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {DOCUMENT, isPlatformServer} from '@angular/common';\nimport {APP_ID, CSP_NONCE, Inject, Injectable, OnDestroy, Optional, PLATFORM_ID} from '@angular/core';\n\n/** The style elements attribute name used to set value of `APP_ID` token. */\nconst APP_ID_ATTRIBUTE_NAME = 'ng-app-id';\n\n@Injectable()\nexport class SharedStylesHost implements OnDestroy {\n  // Maps all registered host nodes to a list of style nodes that have been added to the host node.\n  private readonly styleRef = new Map < string /** Style string */, {\n    elements: HTMLStyleElement[];\n    usage: number\n  }\n  > ();\n  private readonly hostNodes = new Set<Node>();\n  private readonly styleNodesInDOM: Map<string, HTMLStyleElement>|null;\n  private readonly platformIsServer: boolean;\n\n  constructor(\n      @Inject(DOCUMENT) private readonly doc: Document,\n      @Inject(APP_ID) private readonly appId: string,\n      @Inject(CSP_NONCE) @Optional() private nonce?: string|null,\n      @Inject(PLATFORM_ID) readonly platformId: object = {}) {\n    this.styleNodesInDOM = this.collectServerRenderedStyles();\n    this.platformIsServer = isPlatformServer(platformId);\n    this.resetHostNodes();\n  }\n\n  addStyles(styles: string[]): void {\n    for (const style of styles) {\n      const usageCount = this.changeUsageCount(style, 1);\n\n      if (usageCount === 1) {\n        this.onStyleAdded(style);\n      }\n    }\n  }\n\n  removeStyles(styles: string[]): void {\n    for (const style of styles) {\n      const usageCount = this.changeUsageCount(style, -1);\n\n      if (usageCount <= 0) {\n        this.onStyleRemoved(style);\n      }\n    }\n  }\n\n  ngOnDestroy(): void {\n    const styleNodesInDOM = this.styleNodesInDOM;\n    if (styleNodesInDOM) {\n      styleNodesInDOM.forEach((node) => node.remove());\n      styleNodesInDOM.clear();\n    }\n\n    for (const style of this.getAllStyles()) {\n      this.onStyleRemoved(style);\n    }\n\n    this.resetHostNodes();\n  }\n\n  addHost(hostNode: Node): void {\n    this.hostNodes.add(hostNode);\n\n    for (const style of this.getAllStyles()) {\n      this.addStyleToHost(hostNode, style);\n    }\n  }\n\n  removeHost(hostNode: Node): void {\n    this.hostNodes.delete(hostNode);\n  }\n\n  private getAllStyles(): IterableIterator<string> {\n    return this.styleRef.keys();\n  }\n\n  private onStyleAdded(style: string): void {\n    for (const host of this.hostNodes) {\n      this.addStyleToHost(host, style);\n    }\n  }\n\n  private onStyleRemoved(style: string): void {\n    const styleRef = this.styleRef;\n    styleRef.get(style)?.elements?.forEach((node) => node.remove());\n    styleRef.delete(style);\n  }\n\n  private collectServerRenderedStyles(): Map<string, HTMLStyleElement>|null {\n    const styles = this.doc.head?.querySelectorAll<HTMLStyleElement>(\n        `style[${APP_ID_ATTRIBUTE_NAME}=\"${this.appId}\"]`);\n\n    if (styles?.length) {\n      const styleMap = new Map<string, HTMLStyleElement>();\n\n      styles.forEach((style) => {\n        if (style.textContent != null) {\n          styleMap.set(style.textContent, style);\n        }\n      });\n\n      return styleMap;\n    }\n\n    return null;\n  }\n\n  private changeUsageCount(style: string, delta: number): number {\n    const map = this.styleRef;\n    if (map.has(style)) {\n      const styleRefValue = map.get(style)!;\n      styleRefValue.usage += delta;\n\n      return styleRefValue.usage;\n    }\n\n    map.set(style, {usage: delta, elements: []});\n    return delta;\n  }\n\n  private getStyleElement(host: Node, style: string): HTMLStyleElement {\n    const styleNodesInDOM = this.styleNodesInDOM;\n    const styleEl = styleNodesInDOM?.get(style);\n    if (styleEl?.parentNode === host) {\n      // `styleNodesInDOM` cannot be undefined due to the above `styleNodesInDOM?.get`.\n      styleNodesInDOM!.delete(style);\n\n      styleEl.removeAttribute(APP_ID_ATTRIBUTE_NAME);\n\n      if (typeof ngDevMode === 'undefined' || ngDevMode) {\n        // This attribute is solely used for debugging purposes.\n        styleEl.setAttribute('ng-style-reused', '');\n      }\n\n      return styleEl;\n    } else {\n      const styleEl = this.doc.createElement('style');\n\n      if (this.nonce) {\n        styleEl.setAttribute('nonce', this.nonce);\n      }\n\n      styleEl.textContent = style;\n\n      if (this.platformIsServer) {\n        styleEl.setAttribute(APP_ID_ATTRIBUTE_NAME, this.appId);\n      }\n\n      return styleEl;\n    }\n  }\n\n  private addStyleToHost(host: Node, style: string): void {\n    const styleEl = this.getStyleElement(host, style);\n\n    host.appendChild(styleEl);\n\n    const styleRef = this.styleRef;\n    const styleElRef = styleRef.get(style)?.elements;\n    if (styleElRef) {\n      styleElRef.push(styleEl);\n    } else {\n      styleRef.set(style, {elements: [styleEl], usage: 1});\n    }\n  }\n\n  private resetHostNodes(): void {\n    const hostNodes = this.hostNodes;\n    hostNodes.clear();\n    // Re-add the head element back since this is the default host.\n    hostNodes.add(this.doc.head);\n  }\n}\n"]}