odoo_source/addons/website_livechat/views/website_visitor_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo><data>
    <record id="website_visitor_livechat_session_action" model="ir.actions.act_window">
        <field name="name">Visitor's Sessions</field>
        <field name="res_model">mail.channel</field>
        <field name="view_mode">tree,form</field>
        <field name="view_id" ref="im_livechat.mail_channel_view_tree"/>
        <field name="domain">[('livechat_visitor_id', '=', active_id), ('channel_message_ids', '!=', False)]</field>
        <field name="context">{
                'search_default_livechat_visitor_id': [active_id],
                'default_livechat_visitor_id': active_id,
            }</field>
    </record>

    <record id="website_visitor_livechat_session_action_tree" model="ir.actions.act_window.view">
        <field name="sequence">1</field>
        <field name="view_mode">tree</field>
        <field name="view_id" ref="im_livechat.mail_channel_view_tree"/>
        <field name="act_window_id" ref="website_livechat.website_visitor_livechat_session_action"/>
    </record>

    <record id="website_visitor_livechat_session_action_form" model="ir.actions.act_window.view">
        <field name="sequence">2</field>
        <field name="view_mode">form</field>
        <field name="view_id" ref="im_livechat.mail_channel_view_form"/>
        <field name="act_window_id" ref="website_livechat.website_visitor_livechat_session_action"/>
    </record>

    <!-- website visitor views -->
    <record id="website_visitor_view_kanban" model="ir.ui.view">
        <field name="name">website.visitor.view.kanban.inherit.website.livechat</field>
        <field name="model">website.visitor</field>
        <field name="inherit_id" ref="website.website_visitor_view_kanban"/>
        <field name="arch" type="xml">
            <field name="page_ids" position="after">
                <field name="livechat_operator_id"/>
            </field>
            <xpath expr="//div[hasclass('w_visitor_kanban_actions')]" position="before">
                <div t-if="record.livechat_operator_id.raw_value">
                    <span class="fa fa-comments mr-2"/>Speaking With <span class="font-weight-bold"><field name="livechat_operator_name"/></span>
                </div>
                <t t-else="">
                    <br attrs="{'invisible': ['|', ('livechat_operator_id', '!=', False), ('is_connected', '=', False)]}"/>
                </t>
            </xpath>
            <xpath expr="//div[hasclass('w_visitor_kanban_actions_ungrouped')]" position="before">
                <div class="col" >
                    <b>
                        <field name="livechat_operator_name" t-if="record.livechat_operator_id.raw_value"/>
                        <span t-else="">-</span>
                    </b>
                    <div>Speaking With</div>
                </div>
            </xpath>
            <xpath expr="//div[hasclass('w_visitor_kanban_actions')]" position="inside">
                <button name="action_send_chat_request" type="object"
                        class="btn btn-secondary"
                        attrs="{'invisible': ['|', ('livechat_operator_id', '!=', False), ('is_connected', '=', False)]}">
                        Chat
                </button>
            </xpath>
            <xpath expr="//div[hasclass('w_visitor_kanban_actions_ungrouped')]" position="inside">
                <button name="action_send_chat_request" type="object"
                        class="btn btn-secondary border"
                        attrs="{'invisible': ['|', ('livechat_operator_id', '!=', False), ('is_connected', '=', False)]}">
                        Chat
                </button>
            </xpath>
        </field>
    </record>

    <record id="website_visitor_view_form" model="ir.ui.view">
        <field name="name">website.visitor.view.form.inherit.website.livechat</field>
        <field name="model">website.visitor</field>
        <field name="inherit_id" ref="website.website_visitor_view_form"/>
        <field name="arch" type="xml">
            <xpath expr="//header" position="inside">
                <button name="action_send_chat_request" string="Send chat request" type="object" class="oe_highlight"
                attrs="{'invisible': ['|', ('livechat_operator_id', '!=', False), ('is_connected', '=', False)]}"/>
            </xpath>
            <xpath expr="//group[@id='general_info']" position="before">
                <group id="livechat_info">
                    <field name="livechat_operator_id"/>
                </group>
            </xpath>
            <xpath expr="//div[hasclass('oe_button_box')]" position="inside">
                <button name="%(website_visitor_livechat_session_action)d" type="action" class="oe_stat_button" icon="fa-comment"
                        attrs="{'invisible': [('session_count', '=', 0)]}">
                    <field name="session_count" widget="statinfo" string="Sessions"/>
                </button>
            </xpath>
        </field>
    </record>

    <record id="website_visitor_view_tree" model="ir.ui.view">
        <field name="name">website.visitor.view.tree.inherit.website.livechat</field>
        <field name="model">website.visitor</field>
        <field name="inherit_id" ref="website.website_visitor_view_tree"/>
        <field name="arch" type="xml">
            <xpath expr="//field[@name='is_connected']" position="after">
                <field name="livechat_operator_id"/>
                <button name="action_send_chat_request" string="Send chat request" type="object" icon="fa-comments"
                        attrs="{'invisible': ['|', ('livechat_operator_id', '!=', False), ('is_connected', '=', False)]}"/>
            </xpath>
        </field>
    </record>

    <record id="website_visitor_view_search" model="ir.ui.view">
        <field name="name">website.visitor.view.search.website.livechat</field>
        <field name="model">website.visitor</field>
        <field name="inherit_id" ref="website.website_visitor_view_search"/>
        <field name="arch" type="xml">
            <xpath expr="//search" position="inside">
                <filter string="Busy" name="in_conversation" domain="[('livechat_operator_id', '!=', False)]"/>
                <filter string="Available" name="not_in_conversation" domain="[('livechat_operator_id', '=', False)]"/>
            </xpath>
        </field>
    </record>

    <record id="website_livechat_send_chat_request_action_server" model="ir.actions.server">
        <field name="name">Send Chat Requests</field>
        <field name="type">ir.actions.server</field>
        <field name="model_id" ref="model_website_visitor"/>
        <field name="binding_model_id" ref="model_website_visitor"/>
        <field name="binding_view_types">list</field>
        <field name="state">code</field>
        <field name="code">
            if records:
                action = records.action_send_chat_request()
        </field>
    </record>

    <record id="website.website_visitors_action" model="ir.actions.act_window">
        <field name="help" type="html">
          <p class="o_view_nocontent_smiling_face">
              Wait for visitors to come to your website to see their history.</p>
            <p>Interact with them by sending them messages.</p>
        </field>
    </record>

    <menuitem
        id="website_livechat_visitor_menu"
        name="Visitors"
        parent="im_livechat.menu_livechat_root"
        action="website.website_visitors_action"
        groups="im_livechat.im_livechat_group_user"
        sequence="15"/>
</data></odoo>