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

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

    <div t-name="Wall" class="oe_mail_wall">
        <div class="oe_mail_wall_search">
        </div>
        <div class="oe_mail_wall_left">
            <div class="oe_mail_wall_act">
                <textarea class="oe_mail oe_mail_wall_action_textarea" placeholder="Add a personnal message here..."/><br />
                <button class="oe_mail_wall_button_comment" type="button">Post comment</button>
            </div>
            <div class="oe_mail_wall_threads">
            </div>
            <div class="oe_mail_wall_more">
                <button class="oe_mail_wall_button_more" type="button">See more discussions</button>
                <p class="oe_mail_wall_nomore">You have loaded all discussions.</p>
            </div>
        </div>
        <div class="oe_mail_wall_right"></div>
    </div>

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

    <div t-name="RecordThread" class="oe_mail_recthread">
        <div class="separator horizontal">OpenSocial</div>
        <div class="oe_mail_recthread_left">
        </div>
        <div class="oe_mail_recthread_right">
            <div class="oe_mail_actions">
                <button type="button" class="oe_mail_button_follow">Not following</button>
                <button type="button" class="oe_mail_button_unfollow">Following</button>
                <button type="button" class="oe_mail_button_followers">Display followers</button>
            </div>
            <div class="oe_mail_followers">
                <h4>Followers</h4>
                <div class="oe_mail_followers_display">
                </div>
            </div>
        </div>
    </div>

    <div t-name="Thread" class="oe_mail_thread">
        <div class="oe_mail_thread_act">
            <img class="oe_mail_msg_image oe_mail_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 = '';"/><br />
            </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>
            <p class="oe_mail_p_nomore">You have loaded all messages in this thread.</p>
        </div>
    </div>

    <div t-name="ThreadMsg" t-attf-class="{record.type} oe_mail_thread_msg">
        <img class="oe_mail_msg_image oe_mail_oe_left" t-att-src="record.mini_url"/>
        <div class="oe_mail_msg_content">
            <t t-if="record.type == 'email'"><t t-call="EmailDisplay" /></t>
            <t t-if="record.type == 'notification' || record.type == 'comment'"><t t-call="NoteDisplay" /></t>
        </div>
        <t t-if="record.type == 'tmp'"><t t-call="ThreadDisplay" /></t>
    </div>
    
    <t t-name="NoteDisplay">
        <p class="oe_mail_msg">
            <a href="#" class="intlink oe_mail_oe_intlink" t-attf-data-res-model='{res_model}' t-attf-data-res-id='{res_id}'><t t-raw="name"/></a>
            <span class="oe_mail_msg_body"><t t-raw="record.body_text"/></span>
            <t t-if="record.tr_body_text"><span class="oe_mail_msg_body_short"><t t-raw="record.tr_body_text"/></span></t>
            <br />
            <span class="oe_mail_oe_fade">
                <a href="#" class="intlink oe_mail_oe_intlink" data-res-model='res.users' t-attf-data-res-id='{record.user_id[0]}'><t t-raw="record.user_id[1]"/></a>
                on <t t-raw="record.date"/>
            </span>
            <t t-if="display.show_reply"><span class="oe_mail_oe_space"><a href="#" class="oe_mail_msg_reply">Reply</a></span></t>
            <t t-if="display.show_delete"><span class="oe_mail_oe_space"><a href="#" t-attf-data-id='{record.id}' class="oe_mail_msg_delete">Delete</a></span></t>
            <t t-if="display.show_hide"><span class="oe_mail_oe_space"><a href="#" t-attf-data-id='{record.id}' class="oe_mail_msg_hide">Hide</a></span></t>
        </p>
    </t>
    
    <t t-name="EmailDisplay">
        <p class="oe_mail_msg oe_mail_msg_p_email_header">
            <span class="oe_mail_oe_bold">From:</span> <t t-esc="email_from"/> on <span class="oe_mail_oe_fade"><t t-raw="record.date"/></span><br />
            <span>To:</span> <t t-sec="mail_to"/><br />
            <span>Subject:</span> <t t-sec="subject"/><br />
        </p>
        <p class="oe_mail_msg_p">
            <span class="oe_mail_msg_body"><t t-raw="record.body_text"/></span>
        </p>
    </t>

</template>