Files
2026-07-10 15:02:09 +01:00

211 lines
8.3 KiB
JavaScript

import { html, nothing } from 'lit';
import { ChatSession } from '../../lib/chat-session.js';
import { renderMsg, renderAttachmentChips } from '../copilot-render.js';
export class ChatPage extends ChatSession {
static properties = {
visible: { type: Boolean },
// Target source. Defaults to the main mobile session; set to `project-{id}`
// to bind this chat to a project's coordinator session.
source: { type: String },
// Human-readable label for the active source (e.g. the project name), shown
// in the header when inside a project.
label: { type: String },
};
constructor() {
super();
this.visible = false;
this.source = 'mobile';
this.label = '';
}
connectedCallback() {
// Honour the initial `source` prop on the first connect so a cold deep-link
// (e.g. the native shell opening #chat/project-<id>) connects straight to it,
// instead of connecting to the 'mobile' default and switching a tick later
// (which would briefly open two WebSockets). Later `source` prop changes are
// still handled by `updated` below.
if (this.source && this.source !== this._wsSource) this._activeSource = this.source;
super.connectedCallback();
}
updated(changed) {
if (changed.has('visible') && this.visible) {
this._scrollToBottom();
}
// The owner (mobile-app) re-points this chat by changing `source`. Switch the
// live connection — base `_switchSource` tears down the WS, reloads that
// source's history, and reconnects. The guard skips the initial no-op render.
if (changed.has('source') && this.source !== this._source) {
this._switchSource(this.source);
}
}
// ── Source identity ────────────────────────────────────────────────────────
// Static fallback used only before the first `source` prop is applied.
get _wsSource() { return 'mobile'; }
get _inProject() {
return typeof this.source === 'string' && this.source.startsWith('project-');
}
_exitProject() {
this.dispatchEvent(new CustomEvent('project-exit', { bubbles: true, composed: true }));
}
// ── DOM hooks ──────────────────────────────────────────────────────────────
_inputEl() {
return this.querySelector('.chat-page-textarea');
}
_scrollToBottom() {
this.updateComplete.then(() => {
const el = this.querySelector('.chat-page-messages');
if (el) el.scrollTop = el.scrollHeight;
});
}
_onMessagePushed(item) {
if (item.kind === 'pending_write') {
this.updateComplete.then(() => {
const panels = this.querySelectorAll('.copilot-approval');
const el = panels[panels.length - 1];
if (el) el.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
});
} else {
this._scrollToBottom();
}
}
// ── Input ──────────────────────────────────────────────────────────────────
// Note: unlike the desktop copilot, Enter does NOT send here. On mobile there
// is no practical Shift+Enter, so Enter inserts a newline (the textarea's
// default) and the explicit send button is the only way to submit — making
// multi-line messages possible.
// ── Toggle expand ──────────────────────────────────────────────────────────
_toggleExpand(id) {
const next = new Set(this._expanded);
if (next.has(id)) next.delete(id); else next.add(id);
this._expanded = next;
}
// ── Render ─────────────────────────────────────────────────────────────────
render() {
if (!this.visible) return nothing;
return html`
<div class="chat-page">
<div class="mobile-section-header">
<span class="mobile-section-title">
${this._inProject ? html`
<button class="chat-page-back" title="Back to General"
@click=${() => this._exitProject()}>
<i class="bi bi-chevron-left"></i>
</button>
<i class="bi bi-folder2-open"></i> ${this.label || 'Project'}
` : html`<i class="bi bi-chat-dots-fill"></i> Chat`}
</span>
<div class="chat-page-header-actions">
<button
class="btn btn-sm btn-outline-secondary"
title="New conversation"
@click=${() => this._startNewSession()}
><i class="bi bi-trash"></i></button>
</div>
</div>
<div class="chat-page-messages">
${this._messages.length === 0 ? html`
<div class="chat-page-empty">
<i class="bi bi-stars"></i>
<p>Ask me anything</p>
</div>
` : this._messages.map(m => renderMsg(this, m))}
${this._waiting ? html`
<div class="copilot-msg assistant copilot-thinking">
<span class="spinner-border spinner-border-sm me-2" role="status"></span>
Thinking…
</div>
` : nothing}
</div>
<div class="chat-page-input-area">
<div class="chat-page-composer"
@dragover=${(e) => e.preventDefault()}
@drop=${(e) => this._onDrop(e)}>
${renderAttachmentChips(this, this._attachments, { removable: true })}
<input
type="file"
multiple
class="chat-page-file-input"
style="display:none"
@change=${(e) => { this._addFiles(e.target.files); e.target.value = ''; }}
/>
<textarea
class="chat-page-textarea"
rows="1"
placeholder="Type a message…"
@input=${(e) => this._autoResize(e.target)}
@paste=${(e) => this._onPaste(e)}
></textarea>
<div class="chat-page-toolbar">
<div class="chat-page-toolbar-left">
<button
class="btn btn-sm btn-outline-secondary chat-page-attach-btn"
title="Attach files"
@click=${() => this.querySelector('.chat-page-file-input')?.click()}
><i class="bi bi-paperclip"></i></button>
${this._providers.length > 1 ? html`
<select
class="chat-page-model-pill"
.value=${this._selectedClient ?? 'auto'}
@change=${(e) => { this._selectClient(e.target.value); }}
>
${this._providers.map(p => html`
<option value=${p} ?selected=${p === (this._selectedClient ?? 'auto')}>${p}</option>
`)}
</select>
` : nothing}
</div>
<div class="chat-page-toolbar-right">
${this._hasTranscribe ? html`
<button
class="chat-page-mic-btn ${this._recording ? 'chat-page-mic-btn--recording' : ''}"
title="${this._recording ? 'Stop recording' : 'Record voice'}"
@click=${() => this._toggleRecording()}
>
<i class="bi ${this._recording ? 'bi-stop-circle-fill' : 'bi-mic-fill'}"></i>
</button>
` : nothing}
${this._waiting
? html`<button
class="chat-page-send chat-page-send--stop"
@click=${() => this._cancel()}
title="Stop"
><i class="bi bi-stop-fill"></i></button>`
: nothing}
<button
class="chat-page-send"
@click=${() => this._send()}
title="Send"
><i class="bi bi-send-fill"></i></button>
</div>
</div>
</div>
</div>
</div>
`;
}
}
customElements.define('chat-page', ChatPage);