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This commit is contained in:
Vivianne Langdon 2022-02-27 14:01:25 -08:00
parent 789626a9da
commit fbe7e860e8
1 changed files with 89 additions and 70 deletions
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159
bookwyrm/static/js/bookwyrm.js
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@ -431,11 +431,11 @@ let BookWyrm = new (class {
});
modalElement.addEventListener("keydown", handleFocusTrap);
modalElement.dispatchEvent(new Event('open'));
modalElement.dispatchEvent(new Event("open"));
}
function handleModalClose(modalElement) {
modalElement.dispatchEvent(new Event('close'));
modalElement.dispatchEvent(new Event("close"));
modalElement.removeEventListener("keydown", handleFocusTrap);
htmlElement.classList.remove("is-clipped");
modalElement.classList.remove("is-active");
@ -644,10 +644,10 @@ let BookWyrm = new (class {
const statusNode = document.getElementById("barcode-status");
const cameraListNode = document.querySelector("#barcode-camera-list > select");
cameraListNode.addEventListener('change', onChangeCamera);
cameraListNode.addEventListener("change", onChangeCamera);
function onChangeCamera(event) {
initBarcodes(event.target.value);
initBarcodes(event.target.value);
}
function toggleStatus(status) {
@ -657,76 +657,79 @@ let BookWyrm = new (class {
}
function initBarcodes(cameraId = null) {
toggleStatus('grant-access');
toggleStatus("grant-access");
if (!cameraId) {
cameraId = sessionStorage.getItem('preferredCam');
cameraId = sessionStorage.getItem("preferredCam");
} else {
sessionStorage.setItem('preferredCam', cameraId);
sessionStorage.setItem("preferredCam", cameraId);
}
scannerNode.replaceChildren();
Quagga.stop();
Quagga.init({
inputStream : {
name: "Live",
type: "LiveStream",
target: scannerNode,
constraints: {
facingMode: "environment",
deviceId: cameraId,
Quagga.init(
{
inputStream: {
name: "Live",
type: "LiveStream",
target: scannerNode,
constraints: {
facingMode: "environment",
deviceId: cameraId,
},
},
decoder: {
readers: [
"ean_reader",
{
format: "ean_reader",
config: {
supplements: ["ean_2_reader", "ean_5_reader"],
},
},
],
multiple: false,
},
},
decoder : {
readers: [
"ean_reader",
{
format: "ean_reader",
config: {
supplements: [ "ean_2_reader", "ean_5_reader" ]
}
}
],
multiple: false
},
}, (err) => {
if (err) {
scannerNode.replaceChildren();
console.log(err);
toggleStatus('access-denied');
return;
}
let activeId = null;
const track = Quagga.CameraAccess.getActiveTrack();
if (track) {
activeId = track.getSettings().deviceId;
}
Quagga.CameraAccess.enumerateVideoDevices().then((devices) => {
cameraListNode.replaceChildren();
for (const device of devices) {
const child = document.createElement('option');
child.value = device.deviceId;
child.innerText = device.label.slice(0, 30);
if (activeId === child.value) {
child.selected = true;
}
cameraListNode.appendChild(child);
(err) => {
if (err) {
scannerNode.replaceChildren();
console.log(err);
toggleStatus("access-denied");
return;
}
});
toggleStatus('scanning');
Quagga.start();
});
let activeId = null;
const track = Quagga.CameraAccess.getActiveTrack();
if (track) {
activeId = track.getSettings().deviceId;
}
Quagga.CameraAccess.enumerateVideoDevices().then((devices) => {
cameraListNode.replaceChildren();
for (const device of devices) {
const child = document.createElement("option");
child.value = device.deviceId;
child.innerText = device.label.slice(0, 30);
if (activeId === child.value) {
child.selected = true;
}
cameraListNode.appendChild(child);
}
});
toggleStatus("scanning");
Quagga.start();
}
);
}
function cleanup(clearDrawing = true) {
Quagga.stop();
cameraListNode.removeEventListener('change', onChangeCamera);
cameraListNode.removeEventListener("change", onChangeCamera);
if (clearDrawing) {
scannerNode.replaceChildren();
@ -739,18 +742,34 @@ let BookWyrm = new (class {
if (result) {
if (result.boxes) {
drawingCtx.clearRect(0, 0, parseInt(drawingCanvas.getAttribute("width")), parseInt(drawingCanvas.getAttribute("height")));
result.boxes.filter((box) => box !== result.box).forEach((box) => {
Quagga.ImageDebug.drawPath(box, {x: 0, y: 1}, drawingCtx, {color: "green", lineWidth: 2});
});
drawingCtx.clearRect(
0,
0,
parseInt(drawingCanvas.getAttribute("width")),
parseInt(drawingCanvas.getAttribute("height"))
);
result.boxes
.filter((box) => box !== result.box)
.forEach((box) => {
Quagga.ImageDebug.drawPath(box, { x: 0, y: 1 }, drawingCtx, {
color: "green",
lineWidth: 2,
});
});
}
if (result.box) {
Quagga.ImageDebug.drawPath(result.box, {x: 0, y: 1}, drawingCtx, {color: "#00F", lineWidth: 2});
Quagga.ImageDebug.drawPath(result.box, { x: 0, y: 1 }, drawingCtx, {
color: "#00F",
lineWidth: 2,
});
}
if (result.codeResult && result.codeResult.code) {
Quagga.ImageDebug.drawPath(result.line, {x: 'x', y: 'y'}, drawingCtx, {color: 'red', lineWidth: 3});
Quagga.ImageDebug.drawPath(result.line, { x: "x", y: "y" }, drawingCtx, {
color: "red",
lineWidth: 3,
});
}
}
});
@ -769,17 +788,17 @@ let BookWyrm = new (class {
const code = result.codeResult.code;
statusNode.querySelector('.isbn').innerText = code;
toggleStatus('found');
statusNode.querySelector(".isbn").innerText = code;
toggleStatus("found");
const search = new URL('/search', document.location);
search.searchParams.set('q', code);
const search = new URL("/search", document.location);
search.searchParams.set("q", code);
cleanup(false);
location.assign(search);
});
event.target.addEventListener('close', cleanup, { once: true });
event.target.addEventListener("close", cleanup, { once: true });
initBarcodes();
}