@ng-web-apis/audio
Version:
This is a library for declarative use of Web Audio API with Angular
130 lines • 13.8 kB
JavaScript
import { __decorate } from "tslib";
import { Directive, inject, Input } from '@angular/core';
import { audioParam } from '../decorators/audio-param';
import { AUDIO_CONTEXT } from '../tokens/audio-context';
import { CONSTRUCTOR_SUPPORT } from '../tokens/constructor-support';
import { fallbackAudioParam } from '../utils/fallback-audio-param';
import * as i0 from "@angular/core";
class WebAudioListener extends GainNode {
forwardXParam;
forwardYParam;
forwardZParam;
positionXParam;
positionYParam;
positionZParam;
upXParam;
upYParam;
upZParam;
constructor() {
const context = inject(AUDIO_CONTEXT, { self: true });
const modern = inject(CONSTRUCTOR_SUPPORT);
if (modern) {
super(context);
}
else {
const result = context.createGain();
Object.setPrototypeOf(result, WebAudioListener.prototype);
return result;
}
}
get forwardX() {
return this.context.listener.forwardX;
}
get forwardY() {
return this.context.listener.forwardY;
}
get forwardZ() {
return this.context.listener.forwardZ;
}
get positionX() {
return this.context.listener.positionX;
}
get positionY() {
return this.context.listener.positionY;
}
get positionZ() {
return this.context.listener.positionZ;
}
get upX() {
return this.context.listener.upX;
}
get upY() {
return this.context.listener.upY;
}
get upZ() {
return this.context.listener.upZ;
}
ngOnChanges() {
if (this.context.listener.positionX instanceof AudioParam) {
return;
}
// Fallback for older browsers
this.context.listener.setOrientation(fallbackAudioParam(this.forwardXParam), fallbackAudioParam(this.forwardYParam), fallbackAudioParam(this.forwardZParam), fallbackAudioParam(this.upXParam), fallbackAudioParam(this.upYParam), fallbackAudioParam(this.upZParam));
this.context.listener.setPosition(fallbackAudioParam(this.positionXParam), fallbackAudioParam(this.positionYParam), fallbackAudioParam(this.positionZParam));
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: WebAudioListener, deps: [], target: i0.ɵɵFactoryTarget.Directive });
static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.2.12", type: WebAudioListener, isStandalone: true, selector: "[waAudioContext],[waOfflineAudioContext][length][sampleRate]", inputs: { forwardXParam: ["forwardX", "forwardXParam"], forwardYParam: ["forwardY", "forwardYParam"], forwardZParam: ["forwardZ", "forwardZParam"], positionXParam: ["positionX", "positionXParam"], positionYParam: ["positionY", "positionYParam"], positionZParam: ["positionZ", "positionZParam"], upXParam: ["upX", "upXParam"], upYParam: ["upY", "upYParam"], upZParam: ["upZ", "upZParam"] }, usesInheritance: true, usesOnChanges: true, ngImport: i0 });
}
__decorate([
audioParam('forwardX')
], WebAudioListener.prototype, "forwardXParam", void 0);
__decorate([
audioParam('forwardY')
], WebAudioListener.prototype, "forwardYParam", void 0);
__decorate([
audioParam('forwardZ')
], WebAudioListener.prototype, "forwardZParam", void 0);
__decorate([
audioParam('positionX')
], WebAudioListener.prototype, "positionXParam", void 0);
__decorate([
audioParam('positionY')
], WebAudioListener.prototype, "positionYParam", void 0);
__decorate([
audioParam('positionZ')
], WebAudioListener.prototype, "positionZParam", void 0);
__decorate([
audioParam('upX')
], WebAudioListener.prototype, "upXParam", void 0);
__decorate([
audioParam('upY')
], WebAudioListener.prototype, "upYParam", void 0);
__decorate([
audioParam('upZ')
], WebAudioListener.prototype, "upZParam", void 0);
export { WebAudioListener };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: WebAudioListener, decorators: [{
type: Directive,
args: [{
standalone: true,
selector: '[waAudioContext],[waOfflineAudioContext][length][sampleRate]',
}]
}], ctorParameters: function () { return []; }, propDecorators: { forwardXParam: [{
type: Input,
args: ['forwardX']
}], forwardYParam: [{
type: Input,
args: ['forwardY']
}], forwardZParam: [{
type: Input,
args: ['forwardZ']
}], positionXParam: [{
type: Input,
args: ['positionX']
}], positionYParam: [{
type: Input,
args: ['positionY']
}], positionZParam: [{
type: Input,
args: ['positionZ']
}], upXParam: [{
type: Input,
args: ['upX']
}], upYParam: [{
type: Input,
args: ['upY']
}], upZParam: [{
type: Input,
args: ['upZ']
}] } });
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type {OnChanges} from '@angular/core';\nimport {Directive, inject, Input} from '@angular/core';\n\nimport {audioParam} from '../decorators/audio-param';\nimport {AUDIO_CONTEXT} from '../tokens/audio-context';\nimport {CONSTRUCTOR_SUPPORT} from '../tokens/constructor-support';\nimport type {AudioParamInput} from '../types/audio-param-input';\nimport {fallbackAudioParam} from '../utils/fallback-audio-param';\n\n@Directive({\n    standalone: true,\n    selector: '[waAudioContext],[waOfflineAudioContext][length][sampleRate]',\n})\nexport class WebAudioListener extends GainNode implements OnChanges {\n    @Input('forwardX')\n    @audioParam('forwardX')\n    public forwardXParam?: AudioParamInput;\n\n    @Input('forwardY')\n    @audioParam('forwardY')\n    public forwardYParam?: AudioParamInput;\n\n    @Input('forwardZ')\n    @audioParam('forwardZ')\n    public forwardZParam?: AudioParamInput;\n\n    @Input('positionX')\n    @audioParam('positionX')\n    public positionXParam?: AudioParamInput;\n\n    @Input('positionY')\n    @audioParam('positionY')\n    public positionYParam?: AudioParamInput;\n\n    @Input('positionZ')\n    @audioParam('positionZ')\n    public positionZParam?: AudioParamInput;\n\n    @Input('upX')\n    @audioParam('upX')\n    public upXParam?: AudioParamInput;\n\n    @Input('upY')\n    @audioParam('upY')\n    public upYParam?: AudioParamInput;\n\n    @Input('upZ')\n    @audioParam('upZ')\n    public upZParam?: AudioParamInput;\n\n    constructor() {\n        const context = inject(AUDIO_CONTEXT, {self: true});\n        const modern = inject(CONSTRUCTOR_SUPPORT);\n\n        if (modern) {\n            super(context);\n        } else {\n            const result = context.createGain();\n\n            Object.setPrototypeOf(result, WebAudioListener.prototype);\n\n            return result as WebAudioListener;\n        }\n    }\n\n    public get forwardX(): AudioParam {\n        return this.context.listener.forwardX;\n    }\n\n    public get forwardY(): AudioParam {\n        return this.context.listener.forwardY;\n    }\n\n    public get forwardZ(): AudioParam {\n        return this.context.listener.forwardZ;\n    }\n\n    public get positionX(): AudioParam {\n        return this.context.listener.positionX;\n    }\n\n    public get positionY(): AudioParam {\n        return this.context.listener.positionY;\n    }\n\n    public get positionZ(): AudioParam {\n        return this.context.listener.positionZ;\n    }\n\n    public get upX(): AudioParam {\n        return this.context.listener.upX;\n    }\n\n    public get upY(): AudioParam {\n        return this.context.listener.upY;\n    }\n\n    public get upZ(): AudioParam {\n        return this.context.listener.upZ;\n    }\n\n    public ngOnChanges(): void {\n        if (this.context.listener.positionX instanceof AudioParam) {\n            return;\n        }\n\n        // Fallback for older browsers\n        this.context.listener.setOrientation(\n            fallbackAudioParam(this.forwardXParam),\n            fallbackAudioParam(this.forwardYParam),\n            fallbackAudioParam(this.forwardZParam),\n            fallbackAudioParam(this.upXParam),\n            fallbackAudioParam(this.upYParam),\n            fallbackAudioParam(this.upZParam),\n        );\n        this.context.listener.setPosition(\n            fallbackAudioParam(this.positionXParam),\n            fallbackAudioParam(this.positionYParam),\n            fallbackAudioParam(this.positionZParam),\n        );\n    }\n}\n"]}