| 1 | import { Observable } from '../../../data/observable';
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| 2 | import { Trace } from '../../../trace';
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| 3 | export class Style extends Observable {
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| 4 | constructor(ownerView) {
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| 5 | super();
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| 6 | this.unscopedCssVariables = new Map();
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| 7 | this.scopedCssVariables = new Map();
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| 8 |
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| 9 | if (ownerView.constructor.toString().indexOf('[native code]') !== -1) {
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| 10 | this.viewRef = ownerView;
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| 11 | }
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| 12 | else {
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| 13 | this.viewRef = new WeakRef(ownerView);
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| 14 | }
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| 15 | }
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| 16 | setScopedCssVariable(varName, value) {
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| 17 | this.scopedCssVariables.set(varName, value);
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| 18 | }
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| 19 | setUnscopedCssVariable(varName, value) {
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| 20 | this.unscopedCssVariables.set(varName, value);
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| 21 | }
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| 22 | getCssVariable(varName) {
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| 23 | const view = this.view;
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| 24 | if (!view) {
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| 25 | return null;
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| 26 | }
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| 27 | if (this.unscopedCssVariables.has(varName)) {
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| 28 | return this.unscopedCssVariables.get(varName);
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| 29 | }
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| 30 | if (this.scopedCssVariables.has(varName)) {
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| 31 | return this.scopedCssVariables.get(varName);
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| 32 | }
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| 33 | if (!view.parent || !view.parent.style) {
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| 34 | return null;
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| 35 | }
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| 36 | return view.parent.style.getCssVariable(varName);
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| 37 | }
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| 38 | resetScopedCssVariables() {
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| 39 | this.scopedCssVariables.clear();
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| 40 | }
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| 41 | resetUnscopedCssVariables() {
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| 42 | this.unscopedCssVariables.clear();
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| 43 | }
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| 44 | toString() {
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| 45 | const view = this.viewRef.get();
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| 46 | if (!view) {
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| 47 | Trace.write(`toString() of Style cannot execute correctly because ".viewRef" is cleared`, Trace.categories.Animation, Trace.messageType.warn);
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| 48 | return '';
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| 49 | }
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| 50 | return `${view}.style`;
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| 51 | }
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| 52 | get view() {
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| 53 | if (this.viewRef) {
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| 54 | return this.viewRef.get();
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| 55 | }
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| 56 | return undefined;
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| 57 | }
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| 58 | }
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| 59 | Style.prototype.PropertyBag = class {
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| 60 | };
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| 61 | |
| \ | No newline at end of file |