b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
36 lines
1.7 KiB
JavaScript
36 lines
1.7 KiB
JavaScript
// Only the bundled keyboard can edit the field reported by a content actor.
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export class Input {
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constructor(runtime) { this.runtime=runtime; this.focus=null; this.sequence=0; }
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changed(actor, state) {
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const app=this.runtime.identity(actor);
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if (!app || app.id==='keyboard') return;
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if (!state) { if(this.focus?.actor===actor) this.hide(); return; }
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this.focus={actor,state:{...state,id:++this.sequence}};
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this.runtime.broadcast('input-focus',this.focus.state,'system');
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this.runtime.broadcast('input-focus',this.focus.state,'keyboard');
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}
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hide() {
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this.focus=null;
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this.runtime.broadcast('input-focus',null,'system');
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this.runtime.broadcast('input-focus',null,'keyboard');
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}
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cleanup(actor) { if(this.focus?.actor===actor) this.hide(); }
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async request(actor, p) {
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const app=this.runtime.identity(actor);
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if (!app || !['keyboard','system'].includes(app.id)) throw Error('PERMISSION_DENIED');
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if (p.operation==='hide') { this.hide();return null; }
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if(app.id!=='keyboard') throw Error('PERMISSION_DENIED');
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if(p.operation==='state') return this.focus?.state || null;
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if(p.operation==='height') {
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if(!Number.isFinite(p.height) || p.height<0 || p.height>600) throw Error('INVALID_VALUE');
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this.runtime.broadcast('input-height',{height:p.height},'system');return null;
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}
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if(!this.focus || p.id!==this.focus.state.id) throw Error('INPUT_CONTEXT_EXPIRED');
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const context=this.focus;
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const result=await context.actor.sendQuery('Vulpes:Edit',p);
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// An application can close or focus another field while the edit is pending.
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if(this.focus!==context) throw Error('INPUT_CONTEXT_EXPIRED');
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Object.assign(context.state,result);
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return context.state;
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}
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}
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