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https://github.com/ae-utbm/sith.git
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move webcam JS to its own file
This commit is contained in:
thomas girod
Bartuccio Antoine
parent
d47461ba40
commit
3d138d404f
110
core/static/user/js/user_edit.js
Normal file
110
core/static/user/js/user_edit.js
Normal file
@ -0,0 +1,110 @@
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function alpine_webcam_builder(
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default_picture,
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delete_url,
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can_delete_picture,
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) {
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return () => ({
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can_edit_picture: false,
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loading: false,
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is_camera_enabled: false,
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is_camera_error: false,
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picture: null,
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video: null,
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picture_form: null,
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init() {
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this.video = this.$refs.video;
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this.picture_form = this.$refs.form.getElementsByTagName("input");
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if (this.picture_form.length > 0) {
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this.picture_form = this.picture_form[0];
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this.can_edit_picture = true;
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// Link the displayed element to the form input
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this.picture_form.onchange = (event) => {
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let files = event.srcElement.files;
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if (files.length > 0) {
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this.picture = (window.URL || window.webkitURL).createObjectURL(
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event.srcElement.files[0],
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);
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} else {
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this.picture = null;
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}
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};
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}
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},
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get_picture() {
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return this.picture || default_picture;
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},
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delete_picture() {
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// Only remove currently displayed picture
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if (!!this.picture) {
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let list = new DataTransfer();
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this.picture_form.files = list.files;
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this.picture_form.dispatchEvent(new Event("change"));
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return;
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}
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if (!can_delete_picture) {
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return;
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}
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// Remove user picture if correct rights are available
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window.open(delete_url, "_self");
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},
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enable_camera() {
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this.picture = null;
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this.loading = true;
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this.is_camera_error = false;
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navigator.mediaDevices
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.getUserMedia({ video: true, audio: false })
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.then((stream) => {
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this.loading = false;
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this.is_camera_enabled = true;
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this.video.srcObject = stream;
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this.video.play();
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})
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.catch((err) => {
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this.is_camera_error = true;
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this.loading = false;
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});
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},
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take_picture() {
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let canvas = document.createElement("canvas");
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const context = canvas.getContext("2d");
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/* Create the image */
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let settings = this.video.srcObject.getTracks()[0].getSettings();
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canvas.width = settings.width;
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canvas.height = settings.height;
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context.drawImage(this.video, 0, 0, canvas.width, canvas.height);
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/* Stop camera */
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this.video.pause();
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this.video.srcObject.getTracks().forEach((track) => {
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if (track.readyState === "live") {
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track.stop();
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}
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});
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canvas.toBlob((blob) => {
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const filename = interpolate(gettext("captured.%s"), ["webp"]);
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let file = new File([blob], filename, {
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type: "image/webp",
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});
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let list = new DataTransfer();
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list.items.add(file);
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this.picture_form.files = list.files;
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// No change event is triggered, we trigger it manually #}
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this.picture_form.dispatchEvent(new Event("change"));
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}, "image/webp");
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canvas.remove();
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this.is_camera_enabled = false;
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},
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});
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}
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@ -8,7 +8,12 @@
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<link rel="stylesheet" href="{{ scss('user/user_edit.scss') }}">
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{%- endblock -%}
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{% block additional_js %}
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<script defer src="{{ static("user/js/user_edit.js") }}"></script>
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{% endblock %}
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{% macro profile_picture(field_name) %}
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{% set this_picture = form.instance[field_name] %}
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<div class="profile-picture" x-data="camera_{{ field_name }}" >
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<div class="profile-picture-display" :aria-busy="loading" :class="{ 'camera-error': is_camera_error }">
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<img
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@ -50,8 +55,8 @@
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<div>
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{{ form[field_name] }}
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<button class="btn btn-red" @click.prevent="delete_picture()"
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{%- if not (user.is_root and form.instance[field_name]) -%}
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:disabled="picture == null"
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{%- if not (this_picture and this_picture.is_owned_by(user)) -%}
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:disabled="!picture"
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{%- endif -%}
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x-cloak
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>
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@ -68,128 +73,22 @@
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</div>
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</div>
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<script>
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{%- if this_picture -%}
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{% set default_picture = this_picture.get_download_url()|tojson %}
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{% set delete_url = url('core:file_delete', file_id=this_picture.id, popup='')|tojson %}
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{%- else -%}
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{% set default_picture = static('core/img/unknown.jpg')|tojson %}
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{% set delete_url = "null" %}
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{%- endif -%}
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document.addEventListener("alpine:init", () => {
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Alpine.data("camera_{{ field_name }}", () => ({
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can_edit_picture: false,
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loading: false,
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is_camera_enabled: false,
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is_camera_error: false,
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picture: null,
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video: null,
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picture_form: null,
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init() {
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this.video = this.$refs.video;
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this.picture_form = this.$refs.form.getElementsByTagName("input");
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if (this.picture_form.length > 0){
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this.picture_form = this.picture_form[0];
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this.can_edit_picture = true;
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{# Link the displayed element to the form input #}
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this.picture_form.onchange = (event) => {
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let files = event.srcElement.files;
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if (files.length > 0){
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this.picture = (window.URL || window.webkitURL)
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.createObjectURL(event.srcElement.files[0]);
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} else {
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this.picture = null;
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}
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}
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}
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},
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get_picture() {
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if (this.picture != null) {
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return this.picture;
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}
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{%- if form.instance[field_name] -%}
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return "{{ form.instance[field_name].get_download_url() }}"
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{%- else -%}
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return "{{ static('core/img/unknown.jpg') }}"
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{%- endif -%}
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},
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delete_picture() {
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{# Only remove currently displayed picture #}
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if (this.picture != null){
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let list = new DataTransfer();
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this.picture_form.files = list.files;
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this.picture_form.dispatchEvent(new Event("change"));
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return;
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}
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{# Remove user picture if correct rights are available #}
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{%- if user.is_root and form.instance[field_name] -%}
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window.open(
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'{{ url(
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'core:file_delete',
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file_id=form.instance[field_name].id,
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popup=''
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) }}',
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'_self');
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{%- endif -%}
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},
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enable_camera() {
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this.picture = null;
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this.loading = true;
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this.is_camera_error = false;
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navigator.mediaDevices
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.getUserMedia({ video: true, audio: false })
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.then((stream) => {
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this.loading = false;
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this.is_camera_enabled = true;
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this.video.srcObject = stream;
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this.video.play();
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})
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.catch((err) => {
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this.is_camera_error = true;
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this.loading = false;
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});
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},
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take_picture() {
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let canvas = document.createElement("canvas")
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const context = canvas.getContext("2d");
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/* Create the image */
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let settings = this.video.srcObject.getTracks()[0].getSettings();
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canvas.width = settings.width;
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canvas.height = settings.height;
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context.drawImage(this.video, 0, 0, canvas.width, canvas.height);
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/* Stop camera */
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this.video.pause()
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this.video.srcObject.getTracks().forEach((track) => {
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if (track.readyState === 'live') {
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track.stop();
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}
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});
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canvas.toBlob((blob) => {
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let file = new File(
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[blob],
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"{% trans %}captured{% endtrans %}.webp",
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{ type: "image/webp" },
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);
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let list = new DataTransfer();
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list.items.add(file);
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this.picture_form.files = list.files;
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{# No change event is triggered, we trigger it manually #}
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this.picture_form.dispatchEvent(new Event("change"));
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}, "image/webp");
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canvas.remove();
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this.is_camera_enabled = false;
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},
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}));
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Alpine.data(
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"camera_{{ field_name }}",
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alpine_webcam_builder(
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{{ default_picture }},
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{{ delete_url }},
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{{ (this_picture and this_picture.is_owned_by(user))|tojson }}
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)
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);
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});
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</script>
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{% endmacro %}
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