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Show Web Bluetoth API error #8

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merged 1 commit into from
Jun 1, 2023
+28 −2
Merged

Show Web Bluetoth API error #8

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12 changes: 10 additions & 2 deletions css/widget.css
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@

.custom-widget {
display: grid;
grid-template-columns: 200px 200px 200px;
grid-template-columns: 200px 200px 200px 200px;
grid-gap: 10px;
background-color: #fff;
color: #444;
Expand All @@ -20,4 +20,12 @@
border-radius: 5px;
padding: 20px;
font-size: 100%;
}
}

.error-box {
background-color: #ffffff;
color: #000000;
border-radius: 5px;
padding: 20px;
font-size: 100%;
}
18 changes: 18 additions & 0 deletions src/widget.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -232,6 +232,7 @@ export class LegoBoostModel extends DOMWidgetModel {

export class LegoBoostView extends DOMWidgetView {
txt_connected: HTMLDivElement;
txt_bluetooth: HTMLDivElement;

txt_pitch: HTMLDivElement;
txt_roll: HTMLDivElement;
Expand All @@ -249,9 +250,26 @@ export class LegoBoostView extends DOMWidgetView {
meter_distance: HTMLMeterElement;
color_color: HTMLDivElement;

isWebBluetoothSupported : boolean = navigator.bluetooth ? true : false;

render() {
this.el.classList.add('custom-widget');

// checking if Web Bluetooth API is supported
if (!this.isWebBluetoothSupported) {

// bluetooth error box
const bluetooth_box = document.createElement('div');
bluetooth_box.classList.add('error-box');
this.el.appendChild(bluetooth_box);

this.txt_bluetooth = document.createElement('div');
this.txt_bluetooth.textContent = "Your device doesn't support Web Bluetooth API. Try to turn on Experimental Platform Features from Chrome, by accessing the following link and turning it on: chrome://flags/#enable-experimental-web-platform-features";
bluetooth_box.appendChild(this.txt_bluetooth);

console.log( "Your device doesn't support Web Bluetooth API. Try to turn on Experimental Platform Features from Chrome, by accessing the following link and turning it on: chrome://flags/#enable-experimental-web-platform-features");
}

// connection box
const connection_box = document.createElement('div');
connection_box.classList.add('box');
Expand Down