[IMP] website: add the possibility to hide the logo

Part of https://github.com/odoo/odoo/pull/49142
task-2229551

addons/website/static/src/js/editor/snippets.options.js

@@ -1518,6 +1518,27 @@ options.registry.collapse = options.Class.extend({
     },
 });
 
+options.registry.Header = options.Class.extend({
+
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
+    /**
+     * Needs to be done manually for now because data-dependencies
+     * doesn't work with "AND" conditions.
+     * TODO: improve this.
+     *
+     * @override
+     */
+    async _computeWidgetVisibility(widgetName, params) {
+        if (widgetName === 'option_logo_height_scrolled') {
+            return !this.$('.navbar-brand').hasClass('d-none');
+        }
+        return this._super(...arguments);
+    },
+});
+
 options.registry.topMenuTransparency = options.Class.extend({
 
     //--------------------------------------------------------------------------

addons/website/views/snippets/snippets.xml

@@ -409,7 +409,8 @@
          data-selector="[data-oe-expression='res_company.partner_id']"
          data-no-check="true"/>
 
-    <div id="so_header_theme"
+    <div data-js="Header"
+         id="so_header_theme"
          data-selector="#wrapwrap > header"
          data-no-check="true"
          groups="website.group_website_designer">
@@ -424,19 +425,21 @@
         <we-select string="Logo" data-reload="/">
             <we-button data-customize-website-views="website.website_name">Text</we-button>
             <we-button data-customize-website-views="website.layout_logo_show">Image</we-button>
+            <we-button data-customize-website-views="website.header_logo_none" data-name="header_logo_none_opt">None</we-button>
         </we-select>
         <we-input string="Logo Height"
+                  data-dependencies="!header_logo_none_opt"
                   data-customize-website-variable="null"
                   data-variable="logo-height"
                   data-unit="px"
                   data-save-unit="rem"/>
-        <we-input id="option_logo_height_scrolled"
-                  string="Logo Height (Scrolled)"
+        <we-input string="Logo Height (Scrolled)"
+                  data-name="option_logo_height_scrolled"
+                  data-dependencies="!header_visibility_scroll_opt"
                   data-customize-website-variable="null"
                   data-variable="fixed-logo-height"
                   data-unit="px"
-                  data-save-unit="rem"
-                  data-dependencies="!header_visibility_scroll_opt"/>
+                  data-save-unit="rem"/>
         <we-row string="Font">
             <we-fontfamilypicker data-variable="navbar-font-number"/>
             <we-input data-customize-website-variable="null" data-variable="header-font-size" data-unit="px" data-save-unit="rem"/>

addons/website/views/website_templates.xml

@@ -255,6 +255,12 @@
     </xpath>
 </template>
 
+<template id="header_logo_none" inherit_id="website.layout" name="No Logo" active="False">
+    <xpath expr="//header//a[hasclass('navbar-brand')]" position="replace">
+        <a href="/" class="navbar-brand d-none"/>
+    </xpath>
+</template>
+
 <template id="header_visibility_standard" inherit_id="website.layout" name="Header Visibility Standard">
     <xpath expr="//header" position="attributes">
         <attribute name="t-attf-class" add="o_header_standard o_top_fixed_element" separator=" "/>