jikimo_sf/mrp_workorder/static/src/components/viewer.xml

<?xml version="1.0" encoding="UTF-8"?>
<templates xml:space="preserve">

    <t t-name="mrp_workorder.DocumentViewer" owl="1">
        <t t-if="type === 'pdf'">
            <div class="o_tablet_document" t-ref="pdf_viewer">
                <PdfViewerField t-props="viewerProps"/>
            </div>
        </t>
        <t t-elif="type === 'google_slide'">
            <div class="o_tablet_document">
                <SlidesViewer t-props="viewerProps"/>
            </div>
        </t>
        <t t-elif="type !== false">
            <div class="o_tablet_document">
                <ImageField t-props="viewerProps"/>
            </div>
        </t>
    </t>
</templates>