NativeScript/tns-core-modules/debugger/webinspector-css.ios.ts

import * as inspectorCommandTypes from "./InspectorBackendCommands.ios";
const inspectorCommands: typeof inspectorCommandTypes = require("./InspectorBackendCommands");

import * as debuggerDomains from "./debugger";

import { attachCSSInspectorCommandCallbacks } from "./devtools-elements";

@inspectorCommands.DomainDispatcher("CSS")
export class CSSDomainDebugger implements inspectorCommandTypes.CSSDomain.CSSDomainDispatcher {

    private _enabled: boolean;
    public events: inspectorCommandTypes.CSSDomain.CSSFrontend;
    public commands: any;

    constructor() {
        this.events = new inspectorCommands.CSSDomain.CSSFrontend();

        this.commands = {};

        attachCSSInspectorCommandCallbacks(this.commands);

        // By default start enabled because we can miss the "enable" event when
        // running with `--debug-brk` -- the frontend will send it before we've been created
        this.enable();
    }

    get enabled(): boolean {
        return this._enabled;
    }

    enable(): void {
        if (debuggerDomains.getCSS()) {
            throw new Error("One CSSDomainDebugger may be enabled at a time.");
        } else {
            debuggerDomains.setCSS(this);
        }
        this._enabled = true;
    }

    /**
     * Disables network tracking, prevents network events from being sent to the client.
     */
    disable(): void {
        if (debuggerDomains.getCSS() === this) {
            debuggerDomains.setCSS(null);
        }
        this._enabled = false;
    }

    getMatchedStylesForNode(params: inspectorCommandTypes.CSSDomain.GetMatchedStylesForNodeMethodArguments): { inlineStyle?: inspectorCommandTypes.CSSDomain.CSSStyle, attributesStyle?: inspectorCommandTypes.CSSDomain.CSSStyle, matchedCSSRules?: inspectorCommandTypes.CSSDomain.RuleMatch[], pseudoElements?: inspectorCommandTypes.CSSDomain.PseudoElementMatches[], inherited?: inspectorCommandTypes.CSSDomain.InheritedStyleEntry[], cssKeyframesRules?: inspectorCommandTypes.CSSDomain.CSSKeyframesRule[] } {
        return {};
    }
    // Returns the styles defined inline (explicitly in the "style" attribute and implicitly, using DOM attributes) for a DOM node identified by <code>nodeId</code>.
    getInlineStylesForNode(params: inspectorCommandTypes.CSSDomain.GetInlineStylesForNodeMethodArguments): { inlineStyle?: inspectorCommandTypes.CSSDomain.CSSStyle, attributesStyle?: inspectorCommandTypes.CSSDomain.CSSStyle } {
        return {};
    }
    // Returns the computed style for a DOM node identified by <code>nodeId</code>.
    getComputedStyleForNode(params: inspectorCommandTypes.CSSDomain.GetComputedStyleForNodeMethodArguments): { computedStyle: inspectorCommandTypes.CSSDomain.CSSComputedStyleProperty[] } {
        return { computedStyle: this.commands.getComputedStylesForNode(params.nodeId) };
    }
    // Requests information about platform fonts which we used to render child TextNodes in the given node.
    getPlatformFontsForNode(params: inspectorCommandTypes.CSSDomain.GetPlatformFontsForNodeMethodArguments): { fonts: inspectorCommandTypes.CSSDomain.PlatformFontUsage[] } {
        return {
            fonts: [
                {
                    // Font's family name reported by platform.
                    familyName: "Standard Font",
                    // Indicates if the font was downloaded or resolved locally.
                    isCustomFont: false,
                    // Amount of glyphs that were rendered with this font.
                    glyphCount: 0
                }
            ]
        };
    }
    // Returns the current textual content and the URL for a stylesheet.
    getStyleSheetText(params: inspectorCommandTypes.CSSDomain.GetStyleSheetTextMethodArguments): { text: string } {
        return null;
    }
}