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import {LitElement, html} from 'https://cdn.jsdelivr.net/gh/lit/dist@2/core/lit-core.min.js';
class BumbleControls extends LitElement {
constructor() {
super();
this.bumbleLoaded = false;
this.connected = false;
}
render() {
return html`
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<dialog id="settings-dialog" @close=${this.onSettingsDialogClose} style="font-family:sans-serif">
<p>WebSocket URL for HCI transport</p>
<form>
<input id="settings-hci-url-input" type="text" size="50"></input>
<button value="cancel" formmethod="dialog">Cancel</button>
<button @click=${this.saveSettings}>Save</button>
</form>
</dialog>
<button @click=${this.openSettingsDialog} class="mdc-icon-button material-icons"><div class="mdc-icon-button__ripple"></div>settings</button>
<button @click=${this.connectBluetooth} ?disabled=${!this.canConnect()} class="mdc-icon-button material-icons"><div class="mdc-icon-button__ripple"></div>bluetooth</button>
<button @click=${this.stop} ?disabled=${!this.connected} class="mdc-icon-button material-icons"><div class="mdc-icon-button__ripple"></div>stop</button>
`
}
get settingsHciUrlInput() {
return this.renderRoot.querySelector('#settings-hci-url-input');
}
get settingsDialog() {
return this.renderRoot.querySelector('#settings-dialog');
}
canConnect() {
return this.bumbleLoaded && !this.connected && this.getHciUrl();
}
getHciUrl() {
// Look for a URL parameter setting first.
const params = (new URL(document.location)).searchParams;
let hciWsUrl = params.get("hci");
if (hciWsUrl) {
return hciWsUrl;
}
// Try to load the setting from storage.
hciWsUrl = localStorage.getItem("hciWsUrl");
if (hciWsUrl) {
return hciWsUrl;
}
// Finally, default to nothing.
return null;
}
openSettingsDialog() {
const hciUrl = this.getHciUrl();
if (hciUrl) {
this.settingsHciUrlInput.value = hciUrl;
} else {
// Start with default, assuming port 7681.
this.settingsHciUrlInput.value = "ws://localhost:7681/v1/websocket/bt"
}
this.settingsDialog.showModal();
}
onSettingsDialogClose() {
if (this.settingsDialog.returnValue === "cancel") {
return;
}
if (this.settingsHciUrlInput.value) {
localStorage.setItem("hciWsUrl", this.settingsHciUrlInput.value);
} else {
localStorage.removeItem("hciWsUrl");
}
this.requestUpdate();
}
saveSettings(event) {
event.preventDefault();
this.settingsDialog.close(this.settingsHciUrlInput.value);
}
async connectBluetooth() {
this.connected = await this.connector(this.getHciUrl());
this.requestUpdate();
}
async stop() {
await this.stopper();
this.connected = false;
this.requestUpdate();
}
onBumbleLoaded() {
this.bumbleLoaded = true;
this.requestUpdate();
}
}
customElements.define('bumble-controls', BumbleControls);
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