Files
zulip/static/js/realm_logo.js
MariaGkoulta b10f156250 settings: Add automatic theme detection feature.
With this implementation of the feature of the automatic theme
detection, we make the following changes in the backend, frontend and
documentation.

This replaces the previous night_mode boolean with an enum, with the
default value being to use the prefers-color-scheme feature of the
operating system to determine which theme to use.

Fixes: #14451.

Co-authored-by: @kPerikou <44238834+kPerikou@users.noreply.github.com>
2020-06-21 01:09:01 -07:00

97 lines
3.6 KiB
JavaScript

const settings_config = require("./settings_config");
exports.build_realm_logo_widget = function (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 + " .settings-page-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;
}
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', function (e) {
e.preventDefault();
e.stopPropagation();
channel.del({
url: '/json/realm/logo',
data: 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('');
}
}
exports.rerender = function () {
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 .settings-page-delete-button"),
file_input);
change_logo_delete_button(page_params.realm_night_logo_source,
$("#realm-night-logo-upload-widget .settings-page-delete-button"),
night_file_input);
};
window.realm_logo = exports;