odoo/addons/mail/static/src/xml/mail.xml

<?xml version="1.0" encoding="UTF-8"?>
<template>

    <div t-name="mail.Wall" class="oe_mail_wall">
        <table class="oe_view_manager_header">
            <tr class="oe_header_row">
                <td><h2 class="oe_view_title">All Feeds</h2></td>
                <td><div class="oe_view_manager_view_search" t-opentag="true"/></td>
            </tr>
        </table>
        <div class="oe_mail_wall_main">
            <div class="oe_mail_wall_action">
                <img class="oe_mail_msg_image oe_left" alt="User img"/>
                <textarea class="oe_mail oe_mail_wall_action_textarea" placeholder="What are you working on?"/>
                <button class="oe_right oe_mail_wall_button_comment" type="button">Post comment</button>
            </div>
            <div class="oe_clear"></div>
            <ul class="oe_mail_wall_threads">
            </ul>
            <div class="oe_mail_wall_more">
                <button class="oe_mail_wall_button_more" type="button">See more discussions</button>
            </div>
        </div>
        <div class="oe_mail_wall_aside"></div>
    </div>

    <t t-name="mail.WallThreadContainer">
    </t>

    <div t-name="mail.RecordThread" class="oe_mail_recthread">
        <div class="oe_mail_recthread_left"></div>
        <div class="oe_mail_recthread_right">
            <div class="oe_mail_recthread_actions">
                <button type="button" class="oe_mail_button_follow oe_mail_button_mouseout">Not following</button>
                <button type="button" class="oe_mail_button_unfollow oe_mail_button_mouseout">Following</button>
                <button type="button" class="oe_mail_button_followers">Display followers</button>
            </div>
            <div class="oe_mail_recthread_followers">
                <h4>Followers</h4>
                <ul class="oe_mail_followers_display"></ul>
            </div>
        </div>
    </div>

    <div t-name="mail.Thread" class="oe_mail oe_mail_thread">
        <div class="oe_mail_thread_action">
            <img class="oe_mail_msg_image oe_left" alt="User img"/>
            <div class="oe_mail_msg_content">
                <textarea class="oe_mail oe_mail_action_textarea" placeholder="Add your comment here..." onfocus="this.value = '';"/>
            </div>
        </div>
        <div class="oe_mail_thread_display"></div>
        <div class="oe_mail_thread_more">
            <button class="oe_mail_button_more" type="button">Load more messages</button>
        </div>
    </div>

    <!-- default layout -->
    <div t-name="mail.Thread.message" class="oe_mail oe_mail_thread_msg">
        <div t-attf-class="oe_mail_msg_#{record.type}">
            <img class="oe_email_icon oe_left" t-att-src="record.mini_url"/>
            <div class="oe_mail_msg_content">
                <span class="oe_dropdown_toggle oe_dropdown_arrow">
                    <ul class="oe_dropdown_menu">
                        <t t-if="thread._is_author(record.user_id[0]) &amp;&amp; display['show_delete']">
                            <li><a href="#" t-attf-data-id='{record.id}' class="oe_mail_msg_delete">Delete</a></li>
                        </t>
                        <t t-if="!thread._is_author(record.user_id[0]) &amp;&amp; display['show_hide']">
                            <li><a href="#" t-attf-data-id='{record.id}' class="oe_mail_msg_hide">Hide</a></li>
                        </t>
                    </ul>
                </span>
                
                <div class="oe_mail_msg">
                     <t t-if="record.subject">
                        <h1 class="oe_mail_msg_title">
                            <a href="#" class="oe_mail_internal_link"><t t-raw="record.subject"/></a>
                        </h1>
                    </t>
                    
                    <p class="oe_mail_msg_subtitle">
                        <t t-if="params.thread_level > 0">
                            <a href="#" t-attf-data-res-model='{params.res_model}' t-attf-data-res-id='{params.res_id}' class="oe_mail_internal_link"><t t-raw="record.record_name"/></a>
                        </t>
                        <span class="oe_mail_msg_author"><a href="#" data-res-model='res.users' t-attf-data-res-id='{record.user_id[0]}' class="oe_mail_internal_link"><t t-raw="record.user_id[1]"/></a></span>
                        <span class="oe_mail_msg_date" t-att-title="record.date"><t t-raw="record.timerelative"/></span>
                    </p>

                    <div class="oe_mail_msg_body"><t t-raw="record.body"/></div>
                    <t t-if="record.tr_body">
                        <div class="oe_mail_msg_body_short"><t t-raw="record.tr_body"/></div>
                    </t>

                    <ul class="oe_mail_msg_footer">
                      <t t-if="display['show_reply']">
                        <li><a href="#" class="oe_mail_msg_reply">Reply</a></li>
                      </t>
                      <li><a href="#">Like</a></li>
                      <t t-if="record.attachment_ids.length > 0">
                        <li>
                            <a href="#" class="oe_mail_msg_view_attachments">
                                <t t-if="record.attachment_ids.length == 1">Attachment</t>
                                <t t-if="record.attachment_ids.length > 1">Attachments (<t t-raw="record.attachment_ids.length"/>)</t>
                            </a>
                        </li>
                      </t>
                    </ul>
                    <t t-if="record.attachment_ids.length > 0">
                        <div class="oe_clear"></div>
                        <ul class="oe_mail_msg_attachments">
                            <t t-foreach="record.attachments" t-as="attachment">
                                <li> <a t-att-href="attachment.url"><t t-raw="attachment.name"/></a> </li>
                            </t>
                        </ul>
                    </t>
                </div>
            </div>
        </div>
    </div>


</template>