zulip/static/js/realm_logo.js

108 lines
3.7 KiB
JavaScript

import $ from "jquery";
import * as channel from "./channel";
import * as settings_config from "./settings_config";
import * as upload_widget from "./upload_widget";
export function build_realm_logo_widget(upload_function, is_night) {
let logo_section_id = "#realm-day-logo-upload-widget";
let logo_source = page_params.realm_logo_source;
if (is_night) {
logo_section_id = "#realm-night-logo-upload-widget";
logo_source = page_params.realm_night_logo_source;
}
const delete_button_elem = $(logo_section_id + " .image-delete-button");
const file_input_elem = $(logo_section_id + " .image_file_input");
const file_input_error_elem = $(logo_section_id + " .image_file_input_error");
const upload_button_elem = $(logo_section_id + " .image_upload_button");
const get_file_input = function () {
return file_input_elem.expectOne();
};
if (!page_params.is_admin) {
return undefined;
}
if (logo_source === "D") {
delete_button_elem.hide();
} else {
delete_button_elem.show();
}
const data = {night: JSON.stringify(is_night)};
delete_button_elem.on("click", (e) => {
e.preventDefault();
e.stopPropagation();
channel.del({
url: "/json/realm/logo",
data,
});
});
return upload_widget.build_direct_upload_widget(
get_file_input,
file_input_error_elem.expectOne(),
upload_button_elem.expectOne(),
upload_function,
page_params.max_logo_file_size,
);
}
function change_logo_delete_button(logo_source, logo_delete_button, file_input) {
if (logo_source === "U") {
logo_delete_button.show();
} else {
logo_delete_button.hide();
// Need to clear input because of a small edge case
// where you try to upload the same image you just deleted.
file_input.val("");
}
}
export function rerender() {
const file_input = $("#realm-day-logo-upload-widget .image_file_input");
const night_file_input = $("#realm-night-logo-upload-widget .realm-logo-file-input");
$("#realm-day-logo-upload-widget .image-block").attr("src", page_params.realm_logo_url);
if (page_params.realm_night_logo_source === "D" && page_params.realm_logo_source !== "D") {
// If no night mode logo is uploaded but a day mode one
// is, use the day mode one; this handles the common case
// of transparent background logos that look good on both
// night and day themes. See also similar code in admin.js.
$("#realm-night-logo-upload-widget .image-block").attr("src", page_params.realm_logo_url);
} else {
$("#realm-night-logo-upload-widget .image-block").attr(
"src",
page_params.realm_night_logo_url,
);
}
if (
(page_params.color_scheme === settings_config.color_scheme_values.night.code &&
page_params.realm_night_logo_source !== "D") ||
(page_params.color_scheme === settings_config.color_scheme_values.automatic.code &&
page_params.realm_night_logo_source !== "D" &&
window.matchMedia &&
window.matchMedia("(prefers-color-scheme: dark)").matches)
) {
$("#realm-logo").attr("src", page_params.realm_night_logo_url);
} else {
$("#realm-logo").attr("src", page_params.realm_logo_url);
}
change_logo_delete_button(
page_params.realm_logo_source,
$("#realm-day-logo-upload-widget .image-delete-button"),
file_input,
);
change_logo_delete_button(
page_params.realm_night_logo_source,
$("#realm-night-logo-upload-widget .image-delete-button"),
night_file_input,
);
}