Presentation Room Pointer Capability Check
Complete pointer capability checks in a demo-space scenario: includes real content, interactive controls, clear status feedback, and responsive layouts across sizes.
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<header class="mast"><div><span class="eyebrow">playful / Pointer Capability Check / BEGINNER</span><h1>Presentation Room Pointer Capability Check</h1><p class="intro">Complete pointer capability checks in a demo-space scenario: includes real content, interactive controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Demo space</span></header>
<figure class="composition-gallery"><section class="demo" aria-label="Demo space pointer capability detection interaction area"><div class="workflow-session"><header class="session-command"><div><span class="eyebrow">Demo Space SESSION</span><h2>Demo Timer Station</h2></div><output id="workflowSessionClock">00:45</output><label>Round Duration<input id="workflowSessionLength" type="range" min="15" max="90" step="15" value="45"><span>sec</span></label><button id="workflowSessionToggle" class="action primary" type="button">Start Presentation</button></header><div id="workflowSessionProgress" role="progressbar" aria-label="Demo timer progress" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div><section id="workflowCore" class="workflow-core session-stage" data-session-phase="ready" tabindex="-1"><!-- 11DZ_CORE_START:browser-media-device-pointer-profile --><div class="pointer-profiler"><header><span class="eyebrow">POINTER PROFILER</span><h2>Presentation Space Pointer Trail Board</h2><dl><div><dt>Primary Pointer</dt><dd id="pointerPrimary">—</dd></div><div><dt>Hover capability</dt><dd id="pointerHover">—</dd></div><div><dt>Activity Touchpoints</dt><dd id="pointerActive">0</dd></div></dl></header><section id="pointerPad" tabindex="0" aria-label="Move the mouse, stylus, or finger to sample the pointer"><i id="pointerDot"></i><output id="pointerCoordinates">x 0 · y 0</output><p>Move the pointer within this area; keyboard users can use the arrow keys to move the sampling point.</p></section><aside><label>Track retention<input id="pointerTrailLength" type="range" min="3" max="20" value="8" data-core-bridge="browser-media-device-pointer-profile"><output>8</output></label><button id="pointerClear" class="action" type="button">Clear Trail</button><ol id="pointerSamples"></ol></aside></div><!-- 11DZ_CORE_END --></section><footer class="session-log"><strong id="workflowSessionScore">0 interaction checkpoints</strong><ol id="workflowSessionLaps" aria-label="Round Log"></ol></footer></div><p id="status" class="status" role="status" aria-live="polite"></p></section><figcaption class="gallery-caption"><strong>Presentation Space / GALLERY 03</strong></figcaption></figure>
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<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:browser-media-device-pointer-profile */
const pointerPad=document.querySelector('#pointerPad');const pointerDot=document.querySelector('#pointerDot');const pointerSamples=[];const activePointers=new Map();let pointerPosition={x:50,y:50};function describePointers(){document.querySelector('#pointerPrimary').textContent=matchMedia('(pointer:fine)').matches?'Detailed':'Rough or none';document.querySelector('#pointerHover').textContent=matchMedia('(hover:hover)').matches?'Supported':'Unsupported';document.querySelector('#pointerActive').textContent=String(activePointers.size);}function samplePointer(type,pressure){const limit=Number(document.querySelector('#pointerTrailLength').value);pointerSamples.unshift({type,x:Math.round(pointerPosition.x),y:Math.round(pointerPosition.y),pressure:Math.round((pressure||0)*100)});pointerSamples.splice(limit);document.querySelector('#pointerSamples').replaceChildren(...pointerSamples.map(sample=>{const item=document.createElement('li');item.textContent=sample.type+' · '+sample.x+','+sample.y+' · '+sample.pressure+'%';return item;}));}function movePointer(clientX,clientY,type='keyboard',pressure=0){const rect=pointerPad.getBoundingClientRect();pointerPosition={x:Math.max(0,Math.min(100,(clientX-rect.left)/rect.width*100)),y:Math.max(0,Math.min(100,(clientY-rect.top)/rect.height*100))};pointerDot.style.left=pointerPosition.x+'%';pointerDot.style.top=pointerPosition.y+'%';document.querySelector('#pointerCoordinates').textContent='x '+Math.round(pointerPosition.x)+' · y '+Math.round(pointerPosition.y);samplePointer(type,pressure);}pointerPad.addEventListener('pointerdown',event=>{activePointers.set(event.pointerId,event.pointerType);pointerPad.setPointerCapture(event.pointerId);movePointer(event.clientX,event.clientY,event.pointerType,event.pressure);describePointers();});pointerPad.addEventListener('pointermove',event=>movePointer(event.clientX,event.clientY,event.pointerType,event.pressure));pointerPad.addEventListener('pointerup',event=>{activePointers.delete(event.pointerId);describePointers();});pointerPad.addEventListener('keydown',event=>{if(!['ArrowLeft','ArrowRight','ArrowUp','ArrowDown'].includes(event.key))return;event.preventDefault();const rect=pointerPad.getBoundingClientRect();const x=rect.left+rect.width*(pointerPosition.x+(event.key==='ArrowRight'?4:event.key==='ArrowLeft'?-4:0))/100;const y=rect.top+rect.height*(pointerPosition.y+(event.key==='ArrowDown'?4:event.key==='ArrowUp'?-4:0))/100;movePointer(x,y);});document.querySelector('#pointerTrailLength').addEventListener('input',event=>{event.currentTarget.nextElementSibling.textContent=event.currentTarget.value;});document.querySelector('#pointerClear').addEventListener('click',()=>{pointerSamples.length=0;document.querySelector('#pointerSamples').replaceChildren();announce('Pointer trail cleared');});describePointers();
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workflowBridgeReset();
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