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Code Issues Projects Releases Wiki Activity

Add camera picker button (#733)

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* Add camera picker button

* Remove button and nested dialog - make it a select
- Also make Cancel button gray again
This commit is contained in:
Michael Frikke Madsen 2020-04-13 22:07:38 +02:00 committed by GitHub
parent 71770540f6
commit a6030798c7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 35 additions and 4 deletions
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39
public/viewjs/components/barcodescanner.js
View File

@ -1,6 +1,6 @@
Grocy.Components.BarcodeScanner = { };
Grocy.Components.BarcodeScanner.CheckCapabilities = function()
Grocy.Components.BarcodeScanner.CheckCapabilities = async function()
{
var track = Quagga.CameraAccess.getActiveTrack();
var capabilities = {};
@ -8,6 +8,13 @@ Grocy.Components.BarcodeScanner.CheckCapabilities = function()
capabilities = track.getCapabilities();
}
// If there is more than 1 camera, show the camera selection
var cameras = await Quagga.CameraAccess.enumerateVideoDevices();
var cameraSelect = document.querySelector('.cameraSelect');
if (cameraSelect) {
cameraSelect.style.display = cameras.length > 1 ? 'inline-block' : 'none';
}
// Check if the camera is capable to turn on a torch.
var canTorch = typeof capabilities.torch === 'boolean' && capabilities.torch
// Remove the torch button, if either the device can not torch or AutoTorchOn is set.
@ -48,7 +55,8 @@ Grocy.Components.BarcodeScanner.StartScanning = function()
type: "LiveStream",
target: document.querySelector("#barcodescanner-livestream"),
constraints: {
facingMode: "environment"
facingMode: "environment",
...(window.localStorage.getItem('cameraId') && {deviceId : window.localStorage.getItem('cameraId')}) // If preferred cameraId is set, request to use that specific camera
}
},
locator: {
@ -99,6 +107,7 @@ Grocy.Components.BarcodeScanner.StartScanning = function()
{
Grocy.FrontendHelpers.ShowGenericError("Error while initializing the barcode scanning library", error.message);
toastr.info(__t("Camera access is only possible when supported and allowed by your browser and when grocy is served via a secure (https://) connection"));
window.localStorage.removeItem("cameraId");
setTimeout(function()
{
bootbox.hideAll();
@ -184,7 +193,7 @@ Quagga.onProcessed(function(result)
}
});
$(document).on("click", "#barcodescanner-start-button", function(e)
$(document).on("click", "#barcodescanner-start-button", async function(e)
{
e.preventDefault();
var inputElement = $(e.currentTarget).prev();
@ -197,7 +206,7 @@ $(document).on("click", "#barcodescanner-start-button", function(e)
Grocy.Components.BarcodeScanner.CurrentTarget = inputElement.attr("data-target");
bootbox.dialog({
var dialog = bootbox.dialog({
message: '<div id="barcodescanner-container" class="col"><div id="barcodescanner-livestream"></div></div>',
title: __t('Scan a barcode'),
onEscape: function()
@ -227,6 +236,28 @@ $(document).on("click", "#barcodescanner-start-button", function(e)
}
}
});
// Add camera select to existing dialog
dialog.find('.bootbox-body').append('<select class="form-control cameraSelect" style="display: none"> </select>');
var cameraSelect = document.querySelector('.cameraSelect');
var cameras = await Quagga.CameraAccess.enumerateVideoDevices();
cameras.forEach(camera => {
var option = document.createElement("option");
option.text = camera.label ? camera.label : camera.deviceId; // Use camera label if it exists, else show device id
option.value = camera.deviceId;
cameraSelect.appendChild(option);
});
// Set initial value to preferred camera if one exists - and if not, start out empty
cameraSelect.value = window.localStorage.getItem('cameraId');
cameraSelect.onchange = function(){
window.localStorage.setItem('cameraId', cameraSelect.value);
Quagga.stop();
Grocy.Components.BarcodeScanner.StartScanning();
};
Grocy.Components.BarcodeScanner.StartScanning();
});