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Camera flip toggle on the cam page #40

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Merged
AlexNly merged 1 commit into from
Jul 17, 2026
Merged

Camera flip toggle on the cam page #40

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38 changes: 34 additions & 4 deletions src/matebot/web_cam/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -23,13 +23,18 @@
padding: 14px 28px; font: 600 17px system-ui; color: #101c2e;
background: #f5efe6; border: none; border-radius: 14px;
}
button.flip {
position: static; transform: none; padding: 4px 10px; margin-left: 10px;
font-size: 16px; background: #1c2c44; color: #f5efe6; border-radius: 10px;
}
</style>
</head>
<body>
<header>
<h1>🎥 MATEbot Cam</h1>
<div class="dot" id="dot"></div>
<span id="status">starting…</span>
<button id="flip" class="flip" title="Switch camera" hidden>🔄</button>
</header>
<video id="preview" playsinline muted autoplay></video>
<button id="enable">Enable camera</button>
Expand All @@ -41,24 +46,30 @@ <h1>🎥 MATEbot Cam</h1>
const preview = document.getElementById("preview");
const enableBtn = document.getElementById("enable");
let stream = null, recorder = null, ws = null, wakeLock = null;
let facing = localStorage.getItem("matebot-facing") || "environment";

function setState(state, text) {
dot.className = "dot " + state;
statusEl.textContent = text;
}

async function getStream() {
return navigator.mediaDevices.getUserMedia({
video: { facingMode: facing, width: { ideal: 1280 }, height: { ideal: 720 } },
audio: true,
});
}

async function enableCamera() {
try {
stream = await navigator.mediaDevices.getUserMedia({
video: { facingMode: "environment", width: { ideal: 1280 }, height: { ideal: 720 } },
audio: true,
});
stream = await getStream();
} catch (e) {
setState("", "camera denied: " + e.name);
return;
}
preview.srcObject = stream;
enableBtn.style.display = "none";
flipBtn.hidden = false;
try { wakeLock = await navigator.wakeLock.request("screen"); } catch (e) { /* optional */ }
document.addEventListener("visibilitychange", async () => {
if (document.visibilityState === "visible" && wakeLock !== null) {
Expand Down Expand Up @@ -101,6 +112,25 @@ <h1>🎥 MATEbot Cam</h1>
}

enableBtn.addEventListener("click", enableCamera);

// flip front/rear (e.g. phone lying face-up under a bottomless portafilter)
const flipBtn = document.getElementById("flip");
flipBtn.addEventListener("click", async () => {
if (recorder) return; // never mid-recording
facing = facing === "environment" ? "user" : "environment";
localStorage.setItem("matebot-facing", facing);
const old = stream;
try {
stream = await getStream();
} catch (e) {
stream = old;
setState("armed", "camera switch failed: " + e.name);
return;
}
if (old) old.getTracks().forEach(t => t.stop());
preview.srcObject = stream;
});

setState("", "tap to enable the camera");
</script>
</body>
Expand Down
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