Browser Media and Device Capabilities

Visibility log for the outpatient remote desk page

Complete a page visibility log in a clinic remote desk scenario: includes real content, actionable controls, clear status feedback, and responsive layouts across sizes.

Browser Media and Device CapabilitiesPage visibility logHTMLCSSBrowser API
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  <main class="page">
    <header class="mast"><div><span class="eyebrow">monochrome / page visibility log / BEGINNER</span><h1>Visibility log for the outpatient remote desk page</h1><p class="intro">Complete a page visibility log in a clinic remote desk scenario: includes real content, actionable controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Outpatient Remote Desk</span></header>
    <div class="composition-deck"><div class="deck-bar"><span>CONTROL DECK · 04</span><span>Page visibility log</span><span class="deck-lights" aria-hidden="true"><i></i><i></i><i></i></span></div><section class="demo" aria-label="Interactive area for the visibility log of the clinic remote desk page"><div id="workflowSpatial" class="workflow-spatial" style="--spatial-width:64%;--spatial-zoom:1"><header><div><span class="eyebrow">Outpatient Remote Console SPATIAL CANVAS</span><h2>Outpatient remote desk adjustment station</h2></div><label>Detection Item Share<input id="workflowSpatialWidth" type="range" min="38" max="82" value="64"><output id="workflowSpatialWidthValue">64%</output></label><label>Content Scaling<input id="workflowSpatialZoom" type="range" min="80" max="120" value="100"><output id="workflowSpatialZoomValue">100%</output></label></header><div class="spatial-grid"><section id="workflowCore" class="workflow-core spatial-core"><!-- 11DZ_CORE_START:browser-media-device-page-visibility --><div class="visibility-journal"><header><span class="eyebrow">VISIBILITY JOURNAL</span><h2>Outpatient remote desk visibility log</h2><output id="visibilityClock">00:00</output><p id="visibilityState">Observing page state</p></header><section><div id="visibilityMeter" role="progressbar" aria-label="Current visible time" aria-valuemin="0" aria-valuemax="60" aria-valuenow="0"><i></i></div><dl><div><dt>Visible seconds</dt><dd id="visibilitySeconds">0</dd></div><div><dt>Hidden Count</dt><dd id="visibilityHiddenCount">0</dd></div><div><dt>Current status</dt><dd id="visibilityNative">visible</dd></div></dl><button id="visibilityPause" class="action primary" type="button" data-core-bridge="browser-media-device-page-visibility">Pause Observing</button><button id="visibilityReset" class="action" type="button">Reset Log</button></section><aside><h3>State Switch</h3><ul id="visibilityEvents"><li>Monitoring Started</li></ul></aside></div><!-- 11DZ_CORE_END --></section><input id="workflowSpatialHandle" class="spatial-handle" type="button" value="↔" aria-label="Drag to adjust the main case preview width"><aside><strong>Clinic remote desk permission check</strong><p>Records from the clinic remote desk capability and local saves of the clinic remote desk will be rearranged as the canvas size changes.</p><output id="workflowSpatialStatus">Width 64%, zoom 100%</output><input id="workflowSpatialApply" class="action primary" type="button" value="Recording capability"></aside></div></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
  </main>
  <script>
    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:browser-media-device-page-visibility */
const visibilityData={seconds:0,hidden:0,paused:false,events:[]};function formatVisibleTime(value){return String(Math.floor(value/60)).padStart(2,'0')+':'+String(value%60).padStart(2,'0');}function renderVisibility(){document.querySelector('#visibilityClock').textContent=formatVisibleTime(visibilityData.seconds);document.querySelector('#visibilitySeconds').textContent=String(visibilityData.seconds);document.querySelector('#visibilityHiddenCount').textContent=String(visibilityData.hidden);document.querySelector('#visibilityNative').textContent=document.visibilityState;document.querySelector('#visibilityState').textContent=visibilityData.paused?'Observer Paused':document.hidden?'Page Currently Hidden':'Page is currently visible';const meter=document.querySelector('#visibilityMeter');meter.setAttribute('aria-valuenow',String(Math.min(60,visibilityData.seconds)));meter.querySelector('i').style.width=Math.min(100,visibilityData.seconds/60*100)+'%';document.querySelector('#visibilityEvents').replaceChildren(...visibilityData.events.slice(0,6).map(entry=>{const item=document.createElement('li');item.textContent=entry;return item;}));}function logVisibility(label){visibilityData.events.unshift(new Date().toLocaleTimeString()+' · '+label);renderVisibility();}document.addEventListener('visibilitychange',()=>{if(document.hidden)visibilityData.hidden+=1;logVisibility(document.visibilityState);announce('Page state changes to '+document.visibilityState);});setInterval(()=>{if(!visibilityData.paused&&!document.hidden){visibilityData.seconds+=1;renderVisibility();}},1000);document.querySelector('#visibilityPause').addEventListener('click',event=>{visibilityData.paused=!visibilityData.paused;event.currentTarget.textContent=visibilityData.paused?'Continue observing':'Pause Observing';logVisibility(visibilityData.paused?'Manually Paused':'Continue observing');});document.querySelector('#visibilityReset').addEventListener('click',()=>{visibilityData.seconds=0;visibilityData.hidden=0;visibilityData.events=[];logVisibility('Log reset');announce('Visibility log has been reset');});logVisibility('Monitoring Started');
/* 11DZ_CORE_SCRIPT_END */
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const workflowSpatial=document.querySelector('#workflowSpatial');const workflowSpatialCore=document.querySelector('#workflowCore');const workflowSpatialWidth=document.querySelector('#workflowSpatialWidth');const workflowSpatialZoom=document.querySelector('#workflowSpatialZoom');const workflowSpatialHandle=document.querySelector('#workflowSpatialHandle');const workflowSpatialState={width:64,zoom:1,dragging:false};function workflowSpatialDrive(){workflowSpatial.style.setProperty('--spatial-width',workflowSpatialState.width+'%');workflowSpatial.style.setProperty('--spatial-zoom',String(workflowSpatialState.zoom));workflowSpatialWidth.value=String(workflowSpatialState.width);workflowSpatialZoom.value=String(Math.round(workflowSpatialState.zoom*100));document.querySelector('#workflowSpatialWidthValue').textContent=workflowSpatialState.width+'%';document.querySelector('#workflowSpatialZoomValue').textContent=Math.round(workflowSpatialState.zoom*100)+'%';document.querySelector('#workflowSpatialStatus').textContent='width '+workflowSpatialState.width+'%, zoom '+Math.round(workflowSpatialState.zoom*100)+'%';announce('Clinic remote desk canvas has been rearranged');}workflowSpatialWidth.addEventListener('input',()=>{workflowSpatialState.width=Number(workflowSpatialWidth.value);workflowSpatialDrive();});workflowSpatialZoom.addEventListener('input',()=>{workflowSpatialState.zoom=Number(workflowSpatialZoom.value)/100;workflowSpatialDrive();});workflowSpatialHandle.addEventListener('pointerdown',event=>{workflowSpatialState.dragging=true;workflowSpatialHandle.setPointerCapture(event.pointerId);});workflowSpatialHandle.addEventListener('pointermove',event=>{if(!workflowSpatialState.dragging)return;const rect=workflowSpatial.getBoundingClientRect();workflowSpatialState.width=Math.max(38,Math.min(82,Math.round((event.clientX-rect.left)/rect.width*100)));workflowSpatialDrive();});workflowSpatialHandle.addEventListener('pointerup',event=>{workflowSpatialState.dragging=false;workflowSpatialHandle.releasePointerCapture(event.pointerId);});workflowSpatialHandle.addEventListener('wheel',event=>{event.preventDefault();workflowSpatialState.zoom=Math.max(.8,Math.min(1.2,workflowSpatialState.zoom+(event.deltaY<0?.05:-.05)));workflowSpatialDrive();},{passive:false});workflowSpatialHandle.addEventListener('keydown',event=>{if(!['ArrowLeft','ArrowRight'].includes(event.key))return;event.preventDefault();workflowSpatialState.width=Math.max(38,Math.min(82,workflowSpatialState.width+(event.key==='ArrowRight'?2:-2)));workflowSpatialDrive();});document.querySelector('#workflowSpatialApply').addEventListener('click',()=>{const bridge=workflowBridgeActivate();document.querySelector('#workflowSpatialStatus').textContent='Recorded capability · width '+workflowSpatialState.width+'%, zoom '+Math.round(workflowSpatialState.zoom*100)+'% · '+bridge.summary;announce(document.querySelector('#workflowSpatialStatus').textContent);});workflowSpatialDrive();
workflowBridgeReset();
  </script>
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