diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx index 41e50bd..b10f0c1 100644 --- a/app/static/js/app.jsx +++ b/app/static/js/app.jsx @@ -9170,6 +9170,10 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => { var saved = localStorage.getItem('studio_media_explorer_tempo'); return saved ? parseInt(saved) : 120; }); + const [tempoText, setTempoText] = React.useState(String(function() { + var saved = localStorage.getItem('studio_media_explorer_tempo'); + return saved ? parseInt(saved) : 120; + }())); const [zoom, setZoom] = React.useState(1.0); const [scrollOffset, setScrollOffset] = React.useState(0); @@ -9216,11 +9220,22 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => { selStartRef.current = selStart; selEndRef.current = selEnd; isLoopingRef.current = isLooping; + const computerPathRef = React.useRef(null); + const computerTreeRef = React.useRef({}); + const computerRootsRef = React.useRef(null); + const treePaneRef = React.useRef(null); + const browseComputerDirRef = React.useRef(null); React.useEffect(() => { setScrollOffset(0); }, [selected]); + // Keep the tempo text field in sync when tempo changes from elsewhere + // (e.g. auto-set from a clicked MIDI file). + React.useEffect(() => { + setTempoText(String(tempo)); + }, [tempo]); + React.useEffect(() => { window.mediaExplorerActive = true; const handleDocumentClick = (e) => { @@ -9476,6 +9491,56 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => { } } } + if (e.key === 'ArrowUp' || e.key === 'ArrowDown' || e.key === 'ArrowLeft' || e.key === 'ArrowRight') { + if (window.mediaExplorerActive && folderRef.current === 'computer') { + const target = e.target; + if (target && (target.tagName === 'INPUT' || target.tagName === 'TEXTAREA' || target.isContentEditable)) { + return; + } + e.preventDefault(); + e.stopPropagation(); + // Build the flat list of visible (expanded) tree nodes. + const paths = []; + const walk = (entry, depth) => { + if (!entry || !entry.path) return; + paths.push({ path: entry.path, entry, depth }); + const n = computerTreeRef.current[entry.path]; + if (n && n.expanded && n.dirs) (n.dirs || []).forEach(d => walk(d, depth + 1)); + }; + (computerRootsRef.current || []).forEach(r => walk(r, 0)); + if (!paths.length) return; + const curPath = computerPathRef.current; + let idx = paths.findIndex(p => p.path === curPath); + if (e.key === 'ArrowUp') { + const ni = idx < 0 ? paths.length - 1 : Math.max(0, idx - 1); + navigateTreeTo(paths[ni].path); + } else if (e.key === 'ArrowDown') { + const ni = Math.min(paths.length - 1, (idx < 0 ? -1 : idx) + 1); + navigateTreeTo(paths[ni].path); + } else if (e.key === 'ArrowRight') { + const node = computerTreeRef.current[curPath]; + if (node && !node.expanded) { + setComputerTree(prev => ({ ...prev, [curPath]: { ...(prev[curPath] || {}), expanded: true } })); + if (!node.dirs || !node.dirs.length) { + if (browseComputerDirRef.current) browseComputerDirRef.current({ name: String(curPath).split('/').pop() || curPath, path: curPath, is_dir: true, handle: node.handle }); + } + } else if (idx < 0) { + const p0 = paths[0]; + if (p0) navigateTreeTo(p0.path); + } + } else if (e.key === 'ArrowLeft') { + const node = computerTreeRef.current[curPath]; + if (node && node.expanded) { + setComputerTree(prev => ({ ...prev, [curPath]: { ...(prev[curPath] || {}), expanded: false } })); + } else if (curPath) { + const i = curPath.lastIndexOf('/'); + if (i > 0) { + navigateTreeTo(curPath.substring(0, i)); + } + } + } + } + } if (e.key === 'c' && (e.ctrlKey || e.metaKey)) { if (window.mediaExplorerActive) { const target = e.target; @@ -9502,6 +9567,9 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => { const [computerFiles, setComputerFiles] = React.useState([]); const [computerMode, setComputerMode] = React.useState('server'); const [clientRoot, setClientRoot] = React.useState(null); + computerPathRef.current = computerPath; + computerTreeRef.current = computerTree; + computerRootsRef.current = computerRoots; const [favorites, setFavorites] = React.useState(function() { try { return JSON.parse(localStorage.getItem('studio_media_explorer_favorites_v1') || '[]'); } catch (e) { return []; } }()); @@ -9921,6 +9989,7 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => { return null; } }; + browseComputerDirRef.current = browseComputerDir; const toggleComputerDir = async (entry) => { if (!entry) return; @@ -10116,6 +10185,14 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => { if (selectTokenRef.current !== (token || selectTokenRef.current)) return; const midiResult = (typeof parseMidiFile === 'function' ? parseMidiFile : window.parseMidiFile)(buf); if (!midiResult || !midiResult.length) return; + // Feature: selecting/playing a MIDI file auto-sets the playback tempo to + // the file's own BPM (so the preview plays in time). + const fileBpm = (midiResult[0] && midiResult[0].bpm) || 120; + const newTempo = Math.max(40, Math.min(300, Math.round(fileBpm))); + setTempo(newTempo); + setTempoText(String(newTempo)); + tempoRef.current = newTempo; + try { localStorage.setItem('studio_media_explorer_tempo', String(newTempo)); } catch (e) {} const ctx = getAudioContext(); const bpmVal = tempoRef.current || 120; const secondsPerBeat = 60.0 / bpmVal; @@ -10491,16 +10568,94 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => { React.useEffect(() => { drawCanvas(currentTime); }, [peaks, audioBuffer, audioDuration, midiNotes, selected, folder, isPlaying, zoom, selStart, selEnd, scrollOffset]); React.useEffect(() => () => { if (rafRef.current) cancelAnimationFrame(rafRef.current); }, []); + const commitTempo = (v) => { + const clamped = Math.max(40, Math.min(300, Math.round(v) || 120)); + setTempo(clamped); + setTempoText(String(clamped)); + tempoRef.current = clamped; + try { localStorage.setItem('studio_media_explorer_tempo', String(clamped)); } catch (e) {} + // Re-schedule a currently playing MIDI preview at the new tempo. + const cur = selectedRef.current; + if (isPlayingRef.current && cur && isMidiFile(cur) && (cur.handle || cur.path || cur.file_id || cur.fileId)) { + selectTokenRef.current++; + const token = selectTokenRef.current; + try { if (window.SonicSF && typeof window.SonicSF.stopAll === 'function') window.SonicSF.stopAll(); } catch (e) {} + playMidiPreview(cur, token); + } + }; + + // Center a folder node vertically in the tree pane (feature: file click focuses + // its parent folder in the middle of the tree). + const centerTreeNodeInPane = (path) => { + setTimeout(() => { + const pane = treePaneRef.current; + if (!pane) return; + const el = document.querySelector(`[data-tree-path="${path}"]`); + if (!el) return; + const paneRect = pane.getBoundingClientRect(); + const elRect = el.getBoundingClientRect(); + const target = pane.scrollTop + (elRect.top - paneRect.top) - paneRect.height / 2 + elRect.height / 2; + pane.scrollTo({ top: Math.max(0, target), behavior: 'smooth' }); + }, 80); + }; + + // Flat list of currently visible (expanded) tree nodes, in render order. + const getVisibleTreePaths = () => { + const out = []; + const walk = (entry, depth) => { + if (!entry || !entry.path) return; + out.push({ path: entry.path, entry, depth }); + const node = computerTreeRef.current[entry.path]; + if (node && node.expanded && node.dirs) { + (node.dirs || []).forEach(d => walk(d, depth + 1)); + } + }; + (computerRootsRef.current || []).forEach(r => walk(r, 0)); + return out; + }; + + const navigateTreeTo = (path) => { + const paths = getVisibleTreePaths(); + const target = paths.find(p => p.path === path); + if (!target) return; + // Expand all ancestor nodes so the target is visible in the tree. + setComputerTree(prev => { + const next = { ...prev }; + let current = path; + while (current) { + const n = next[current]; + if (n) next[current] = { ...n, expanded: true }; + const idx = current.lastIndexOf('/'); + if (idx <= 0) break; + current = current.substring(0, idx); + } + return next; + }); + setComputerPath(path); + if (browseComputerDirRef.current) browseComputerDirRef.current(target.entry); + centerTreeNodeInPane(path); + }; + const handleSelect = (f) => { if (!f || f.is_dir) return; - + + // When a MIDI file is clicked, automatically set the play tempo to the + // MIDI file's tempo (BPM from metadata, or after parsing in playMidiPreview). + if (isMidiFile(f) && f.bpm) { + const v = Math.max(40, Math.min(300, Math.round(parseFloat(f.bpm) || 120))); + setTempo(v); + setTempoText(String(v)); + tempoRef.current = v; + try { localStorage.setItem('studio_media_explorer_tempo', String(v)); } catch (e) {} + } + // Find parent path of selected file and scroll it into view in Tree pane if (f.path) { const lastSlash = f.path.lastIndexOf('/'); if (lastSlash > 0) { const parentPath = f.path.substring(0, lastSlash); setComputerPath(parentPath); - + // Expand all parent nodes in computerTree setComputerTree(prev => { const next = { ...prev }; @@ -10518,13 +10673,8 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => { return next; }); - // Scroll the parent tree element into view - setTimeout(() => { - const treeNodeEl = document.querySelector(`[data-tree-path="${parentPath}"]`); - if (treeNodeEl) { - treeNodeEl.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); - } - }, 100); + // Center the parent folder node in the middle of the tree pane + centerTreeNodeInPane(parentPath); } } @@ -10652,7 +10802,7 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => {
{/* DIRECTORY TREE */}
-
+
<Track Templates>
<Project Directory>
@@ -10870,9 +11020,9 @@ const MediaExplorerPanel = ({ height, clipboardRef }) => {
Tempo: - -
{ const v = Math.max(40, Math.min(300, parseInt(e.target.value) || 120)); setTempo(v); localStorage.setItem('studio_media_explorer_tempo', v.toString()); }} className="w-full text-xs text-right outline-none bg-transparent" />
- + +
{ const raw = e.target.value; setTempoText(raw); const n = parseInt(raw); if (n >= 40 && n <= 300) commitTempo(n); }} onBlur={() => { const n = parseInt(tempoText); commitTempo(n); }} onKeyDown={e => { if (e.key === 'Enter') { e.currentTarget.blur(); } }} className="w-full text-xs text-right outline-none bg-transparent" />
+ BPM
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text-[10px] border border-slate-700"},"Dither"))))));};// ── Media Explorer Panel (from md/51_MEDIA_EXPLORER.md) ── -const MEDIA_LIBRARY_SAMPLES=[{name:"MIDI_Loop_01.mid",events:95,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_02_Bass.mid",events:48,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_03_Lead.mid",events:110,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_04.mid",events:76,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_05_Bass.mid",events:52,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_06.mid",events:88,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"}];const MediaExplorerPanel=({height,clipboardRef})=>{const[userFiles,setUserFiles]=React.useState([]);const[folder,setFolder]=React.useState('library');const[selected,setSelected]=React.useState(null);const[filterText,setFilterText]=React.useState('');const[viewMode,setViewMode]=React.useState('details');const[isPlaying,setIsPlaying]=React.useState(false);const[isPaused,setIsPaused]=React.useState(false);const[isLooping,setIsLooping]=React.useState(false);const[autoPlay,setAutoPlay]=React.useState(true);const[pitch,setPitch]=React.useState(0.0);const[rate,setRate]=React.useState(1.0);const[volumeDb,setVolumeDb]=React.useState(0.0);const[currentTime,setCurrentTime]=React.useState(0);const[peaks,setPeaks]=React.useState(null);const[audioBuffer,setAudioBuffer]=React.useState(null);const[audioDuration,setAudioDuration]=React.useState(0);const[midiNotes,setMidiNotes]=React.useState(null);const[midiTotal,setMidiTotal]=React.useState(4);const[midiBars,setMidiBars]=React.useState(1);const[midiTotalBeats,setMidiTotalBeats]=React.useState(16);const[midiFileBpm,setMidiFileBpm]=React.useState(120);const[tempo,setTempo]=React.useState(function(){var saved=localStorage.getItem('studio_media_explorer_tempo');return saved?parseInt(saved):120;});const[zoom,setZoom]=React.useState(1.0);const[scrollOffset,setScrollOffset]=React.useState(0);const scrollOffsetRef=React.useRef(0);scrollOffsetRef.current=scrollOffset;const[selStart,setSelStart]=React.useState(null);const[selEnd,setSelEnd]=React.useState(null);const[isDragging,setIsDragging]=React.useState(false);const[previewCtxMenu,setPreviewCtxMenu]=React.useState(null);// { x, y } +const MEDIA_LIBRARY_SAMPLES=[{name:"MIDI_Loop_01.mid",events:95,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_02_Bass.mid",events:48,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_03_Lead.mid",events:110,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_04.mid",events:76,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_05_Bass.mid",events:52,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_06.mid",events:88,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"}];const MediaExplorerPanel=({height,clipboardRef})=>{const[userFiles,setUserFiles]=React.useState([]);const[folder,setFolder]=React.useState('library');const[selected,setSelected]=React.useState(null);const[filterText,setFilterText]=React.useState('');const[viewMode,setViewMode]=React.useState('details');const[isPlaying,setIsPlaying]=React.useState(false);const[isPaused,setIsPaused]=React.useState(false);const[isLooping,setIsLooping]=React.useState(false);const[autoPlay,setAutoPlay]=React.useState(true);const[pitch,setPitch]=React.useState(0.0);const[rate,setRate]=React.useState(1.0);const[volumeDb,setVolumeDb]=React.useState(0.0);const[currentTime,setCurrentTime]=React.useState(0);const[peaks,setPeaks]=React.useState(null);const[audioBuffer,setAudioBuffer]=React.useState(null);const[audioDuration,setAudioDuration]=React.useState(0);const[midiNotes,setMidiNotes]=React.useState(null);const[midiTotal,setMidiTotal]=React.useState(4);const[midiBars,setMidiBars]=React.useState(1);const[midiTotalBeats,setMidiTotalBeats]=React.useState(16);const[midiFileBpm,setMidiFileBpm]=React.useState(120);const[tempo,setTempo]=React.useState(function(){var saved=localStorage.getItem('studio_media_explorer_tempo');return saved?parseInt(saved):120;});const[tempoText,setTempoText]=React.useState(String(function(){var saved=localStorage.getItem('studio_media_explorer_tempo');return saved?parseInt(saved):120;}()));const[zoom,setZoom]=React.useState(1.0);const[scrollOffset,setScrollOffset]=React.useState(0);const scrollOffsetRef=React.useRef(0);scrollOffsetRef.current=scrollOffset;const[selStart,setSelStart]=React.useState(null);const[selEnd,setSelEnd]=React.useState(null);const[isDragging,setIsDragging]=React.useState(false);const[previewCtxMenu,setPreviewCtxMenu]=React.useState(null);// { x, y } const containerRef=React.useRef(null);// Refs mirror latest state so drawCanvas (also called from rAF clock with a // stale closure) always draws the currently selected file, not the old one. -const selectedRef=React.useRef(null);const peaksRef=React.useRef(null);const audioBufferRef=React.useRef(null);const audioDurationRef=React.useRef(0);const midiNotesRef=React.useRef(null);const midiTotalRef=React.useRef(4);const midiBarsRef=React.useRef(1);const midiTotalBeatsRef=React.useRef(16);const midiFileBpmRef=React.useRef(120);const isPlayingRef=React.useRef(false);const isPausedRef=React.useRef(false);const folderRef=React.useRef('library');const tempoRef=React.useRef(120);const currentTimeRef=React.useRef(0);const selStartRef=React.useRef(null);const selEndRef=React.useRef(null);const isLoopingRef=React.useRef(false);selectedRef.current=selected;peaksRef.current=peaks;audioBufferRef.current=audioBuffer;audioDurationRef.current=audioDuration;midiNotesRef.current=midiNotes;midiTotalRef.current=midiTotal;midiBarsRef.current=midiBars;midiTotalBeatsRef.current=midiTotalBeats;midiFileBpmRef.current=midiFileBpm;isPlayingRef.current=isPlaying;isPausedRef.current=isPaused;folderRef.current=folder;tempoRef.current=tempo;currentTimeRef.current=currentTime;selStartRef.current=selStart;selEndRef.current=selEnd;isLoopingRef.current=isLooping;React.useEffect(()=>{setScrollOffset(0);},[selected]);React.useEffect(()=>{window.mediaExplorerActive=true;const handleDocumentClick=e=>{if(containerRef.current&&containerRef.current.contains(e.target)){window.mediaExplorerActive=true;}else{window.mediaExplorerActive=false;}};document.addEventListener('mousedown',handleDocumentClick,{capture:true});return()=>{document.removeEventListener('mousedown',handleDocumentClick,{capture:true});window.mediaExplorerActive=false;};},[]);const getCanvasLayout=()=>{const canvas=canvasRef.current;if(!canvas)return{w:300,h:100,pxPerBeat:42,pxPerSec:84,offset:0,dur:0,contentW:0};const w=canvas.clientWidth;const h=canvas.clientHeight;const f=selectedRef.current;const isMidi=isMidiFile(f);const curTempo=tempoRef.current||120;const pxPerBeat=42*zoom;const pxPerSec=pxPerBeat*curTempo/60;const dur=fileDuration(f);let contentW=0;if(isMidi){const isRealMidi=midiNotesRef.current&&midiNotesRef.current.length&&midiTotalBeatsRef.current>0;const totalBeats=isRealMidi?Math.max(midiTotalBeatsRef.current,4):Math.max(4,Math.ceil(dur*curTempo/60)||16);contentW=Math.max(1,totalBeats*pxPerBeat);}else{contentW=Math.max(1,dur*pxPerSec);}let offset=scrollOffset;if(isPlayingRef.current&&contentW>w&&dur>0){offset=Math.max(0,Math.min(contentW-w,currentTimeRef.current*pxPerSec-w/2));}else{offset=Math.max(0,Math.min(contentW-w,scrollOffset));}return{w,h,pxPerBeat,pxPerSec,offset,dur,contentW};};const getSelectedAudioBuffer=async()=>{if(audioBufferRef.current)return audioBufferRef.current;if(!selectedRef.current)return null;const buf=await readLocalFileBuffer(selectedRef.current);if(!buf)return null;try{const ctx=getAudioContext();const decoded=await ctx.decodeAudioData(buf);setAudioBuffer(decoded);return decoded;}catch(e){console.error(e);return null;}};const handleCanvasWheel=e=>{if(!selected)return;e.preventDefault();if(e.shiftKey){const scrollSpeed=45;const direction=e.deltaY>0?1:-1;setScrollOffset(prev=>{const{contentW,w}=getCanvasLayout();const maxScroll=Math.max(0,contentW-w);return Math.max(0,Math.min(maxScroll,prev+direction*scrollSpeed));});return;}const zoomFactor=1.15;if(e.deltaY<0){setZoom(prev=>Math.min(10.0,prev*zoomFactor));}else{setZoom(prev=>Math.max(0.2,prev/zoomFactor));}};// React attaches onWheel passively at the root, so e.preventDefault() there is +const selectedRef=React.useRef(null);const peaksRef=React.useRef(null);const audioBufferRef=React.useRef(null);const audioDurationRef=React.useRef(0);const midiNotesRef=React.useRef(null);const midiTotalRef=React.useRef(4);const midiBarsRef=React.useRef(1);const midiTotalBeatsRef=React.useRef(16);const midiFileBpmRef=React.useRef(120);const isPlayingRef=React.useRef(false);const isPausedRef=React.useRef(false);const folderRef=React.useRef('library');const tempoRef=React.useRef(120);const currentTimeRef=React.useRef(0);const selStartRef=React.useRef(null);const selEndRef=React.useRef(null);const isLoopingRef=React.useRef(false);selectedRef.current=selected;peaksRef.current=peaks;audioBufferRef.current=audioBuffer;audioDurationRef.current=audioDuration;midiNotesRef.current=midiNotes;midiTotalRef.current=midiTotal;midiBarsRef.current=midiBars;midiTotalBeatsRef.current=midiTotalBeats;midiFileBpmRef.current=midiFileBpm;isPlayingRef.current=isPlaying;isPausedRef.current=isPaused;folderRef.current=folder;tempoRef.current=tempo;currentTimeRef.current=currentTime;selStartRef.current=selStart;selEndRef.current=selEnd;isLoopingRef.current=isLooping;const computerPathRef=React.useRef(null);const computerTreeRef=React.useRef({});const computerRootsRef=React.useRef(null);const treePaneRef=React.useRef(null);const browseComputerDirRef=React.useRef(null);React.useEffect(()=>{setScrollOffset(0);},[selected]);// Keep the tempo text field in sync when tempo changes from elsewhere +// (e.g. auto-set from a clicked MIDI file). +React.useEffect(()=>{setTempoText(String(tempo));},[tempo]);React.useEffect(()=>{window.mediaExplorerActive=true;const handleDocumentClick=e=>{if(containerRef.current&&containerRef.current.contains(e.target)){window.mediaExplorerActive=true;}else{window.mediaExplorerActive=false;}};document.addEventListener('mousedown',handleDocumentClick,{capture:true});return()=>{document.removeEventListener('mousedown',handleDocumentClick,{capture:true});window.mediaExplorerActive=false;};},[]);const getCanvasLayout=()=>{const canvas=canvasRef.current;if(!canvas)return{w:300,h:100,pxPerBeat:42,pxPerSec:84,offset:0,dur:0,contentW:0};const w=canvas.clientWidth;const h=canvas.clientHeight;const f=selectedRef.current;const isMidi=isMidiFile(f);const curTempo=tempoRef.current||120;const pxPerBeat=42*zoom;const pxPerSec=pxPerBeat*curTempo/60;const dur=fileDuration(f);let contentW=0;if(isMidi){const isRealMidi=midiNotesRef.current&&midiNotesRef.current.length&&midiTotalBeatsRef.current>0;const totalBeats=isRealMidi?Math.max(midiTotalBeatsRef.current,4):Math.max(4,Math.ceil(dur*curTempo/60)||16);contentW=Math.max(1,totalBeats*pxPerBeat);}else{contentW=Math.max(1,dur*pxPerSec);}let offset=scrollOffset;if(isPlayingRef.current&&contentW>w&&dur>0){offset=Math.max(0,Math.min(contentW-w,currentTimeRef.current*pxPerSec-w/2));}else{offset=Math.max(0,Math.min(contentW-w,scrollOffset));}return{w,h,pxPerBeat,pxPerSec,offset,dur,contentW};};const getSelectedAudioBuffer=async()=>{if(audioBufferRef.current)return audioBufferRef.current;if(!selectedRef.current)return null;const buf=await readLocalFileBuffer(selectedRef.current);if(!buf)return null;try{const ctx=getAudioContext();const decoded=await ctx.decodeAudioData(buf);setAudioBuffer(decoded);return decoded;}catch(e){console.error(e);return null;}};const handleCanvasWheel=e=>{if(!selected)return;e.preventDefault();if(e.shiftKey){const scrollSpeed=45;const direction=e.deltaY>0?1:-1;setScrollOffset(prev=>{const{contentW,w}=getCanvasLayout();const maxScroll=Math.max(0,contentW-w);return Math.max(0,Math.min(maxScroll,prev+direction*scrollSpeed));});return;}const zoomFactor=1.15;if(e.deltaY<0){setZoom(prev=>Math.min(10.0,prev*zoomFactor));}else{setZoom(prev=>Math.max(0.2,prev/zoomFactor));}};// React attaches onWheel passively at the root, so e.preventDefault() there is // ignored and Chrome logs "Unable to preventDefault inside passive event listener". // Use a native non-passive wheel listener so page scroll is actually blocked. const handleCanvasWheelRef=React.useRef(handleCanvasWheel);handleCanvasWheelRef.current=handleCanvasWheel;React.useEffect(()=>{const canvas=canvasRef.current;if(!canvas)return;const h=e=>handleCanvasWheelRef.current(e);canvas.addEventListener('wheel',h,{passive:false});return()=>canvas.removeEventListener('wheel',h);},[]);const handleCanvasMouseDown=e=>{if(!selected)return;if(e.button===2)return;// Right click context menu const canvas=canvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const clientX=e.clientX-rect.left;const{pxPerSec,pxPerBeat,offset}=getCanvasLayout();const isMidi=isMidiFile(selected);const value=isMidi?(clientX+offset)/pxPerBeat// in beats :(clientX+offset)/pxPerSec;// in seconds -setSelStart(value);setSelEnd(value);setIsDragging(true);setPreviewCtxMenu(null);};const handleCanvasMouseMove=e=>{if(!isDragging||!selected)return;const canvas=canvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const clientX=e.clientX-rect.left;const{pxPerSec,pxPerBeat,offset}=getCanvasLayout();const isMidi=isMidiFile(selected);const value=isMidi?(clientX+offset)/pxPerBeat:(clientX+offset)/pxPerSec;setSelEnd(value);};const handleCanvasMouseUp=e=>{if(isDragging){setIsDragging(false);}};const handleCanvasContextMenu=e=>{e.preventDefault();if(!selected||selStart===null||selEnd===null||Math.abs(selStart-selEnd)<0.01)return;setPreviewCtxMenu({x:e.clientX,y:e.clientY});};const handleCopySelection=async()=>{if(!selected||selStart===null||selEnd===null)return;const isMidi=isMidiFile(selected);const startVal=Math.min(selStart,selEnd);const endVal=Math.max(selStart,selEnd);if(isMidi){if(!midiNotes||!midiNotes.length){window.showToast&&window.showToast('Không có dữ liệu MIDI để sao chép','warning');return;}const copiedNotes=midiNotes.filter(n=>n.start_beat>=startVal&&n.start_beat<=endVal).map(n=>({...n,start_beat:n.start_beat-startVal}));if(!copiedNotes.length){window.showToast&&window.showToast('Không có note MIDI nào trong vùng chọn','warning');return;}const selectDurBeats=endVal-startVal;const secondsPerBeat=60/(tempo||120);const selectDurSec=selectDurBeats*secondsPerBeat;const clipObj={type:'midi',notes:copiedNotes,duration:selectDurSec,name:selected.name||'MIDI Selection',color:'#a855f7'};if(clipboardRef)clipboardRef.current=clipObj;window.globalStudioClipboard=clipObj;window.showToast&&window.showToast(`Đã sao chép ${copiedNotes.length} notes MIDI.`,'success');}else{const activeBuf=await getSelectedAudioBuffer();if(!activeBuf){window.showToast&&window.showToast('Không thể tải dữ liệu âm thanh để sao chép','error');return;}const sr=activeBuf.sampleRate;const startSample=Math.floor(startVal*sr);const endSample=Math.floor(endVal*sr);const len=Math.max(1,endSample-startSample);try{const ctx=getAudioContext();const numCh=activeBuf.numberOfChannels||1;const clipBuffer=ctx.createBuffer(numCh,len,sr);for(let ch=0;ch{const handleGlobalClick=()=>setPreviewCtxMenu(null);window.addEventListener('click',handleGlobalClick);return()=>window.removeEventListener('click',handleGlobalClick);},[]);React.useEffect(()=>{const handleKeyDown=e=>{if(e.key===' '||e.code==='Space'){if(window.mediaExplorerActive){const target=e.target;if(target&&(target.tagName==='INPUT'||target.tagName==='TEXTAREA'||target.isContentEditable)){return;}e.preventDefault();e.stopPropagation();if(isPlayingRef.current){stopMediaPlayback();}else{const cur=selectedRef.current;if(cur){selectTokenRef.current++;playSelected(cur,selectTokenRef.current);}}}}if(e.key==='c'&&(e.ctrlKey||e.metaKey)){if(window.mediaExplorerActive){const target=e.target;if(target&&(target.tagName==='INPUT'||target.tagName==='TEXTAREA'||target.isContentEditable)){return;}if(selStartRef.current!==null&&selEndRef.current!==null&&Math.abs(selStartRef.current-selEndRef.current)>0.01){e.preventDefault();e.stopPropagation();handleCopySelection();}}}};window.addEventListener('keydown',handleKeyDown,{capture:true});return()=>{window.removeEventListener('keydown',handleKeyDown,{capture:true});};},[]);const[computerRoots,setComputerRoots]=React.useState(null);const[computerTree,setComputerTree]=React.useState({});const[computerPath,setComputerPath]=React.useState(null);const[computerFiles,setComputerFiles]=React.useState([]);const[computerMode,setComputerMode]=React.useState('server');const[clientRoot,setClientRoot]=React.useState(null);const[favorites,setFavorites]=React.useState(function(){try{return JSON.parse(localStorage.getItem('studio_media_explorer_favorites_v1')||'[]');}catch(e){return[];}}());const[favContext,setFavContext]=React.useState(null);const[favoritedExpanded,setFavoritedExpanded]=React.useState(true);const[colWidths,setColWidths]=React.useState({file:260,size:100,type:100});const startColResize=(colKey,e)=>{e.preventDefault();const startX=e.clientX;const startWidth=colWidths[colKey];const onMouseMove=moveEvent=>{const deltaX=moveEvent.clientX-startX;const newWidth=Math.max(50,startWidth+deltaX);setColWidths(prev=>({...prev,[colKey]:newWidth}));};const onMouseUp=()=>{document.removeEventListener('mousemove',onMouseMove);document.removeEventListener('mouseup',onMouseUp);};document.addEventListener('mousemove',onMouseMove);document.addEventListener('mouseup',onMouseUp);};const[synthInst,setSynthInst]=React.useState(function(){var saved=localStorage.getItem('studio_media_explorer_synth');return saved?JSON.parse(saved):null;}());const[synthOpen,setSynthOpen]=React.useState(false);const[synthFilter,setSynthFilter]=React.useState('');const[synthList,setSynthList]=React.useState(null);const[synthLoading,setSynthLoading]=React.useState(false);const synthListRef=React.useRef(null);synthListRef.current=synthList;const synthInstRef=React.useRef(null);synthInstRef.current=synthInst;const[treeWidth,setTreeWidth]=React.useState(function(){var saved=localStorage.getItem('studio_media_explorer_tree_width');return saved?parseInt(saved):176;}());const treeWidthRef=React.useRef(176);treeWidthRef.current=treeWidth;const startTreeResize=e=>{e.preventDefault();const startX=e.clientX;const startW=treeWidthRef.current;const onMove=ev=>{const newW=Math.max(110,Math.min(420,startW+(ev.clientX-startX)));treeWidthRef.current=newW;setTreeWidth(newW);};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);localStorage.setItem('studio_media_explorer_tree_width',treeWidthRef.current.toString());};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);};const canvasRef=React.useRef(null);const playStateRef=React.useRef(null);const rafRef=React.useRef(null);const loopTimerRef=React.useRef(null);const selectTokenRef=React.useRef(0);React.useEffect(()=>{if(window.SonicAPI&&window.SonicAPI.listMyFiles){window.SonicAPI.listMyFiles([]).then(data=>setUserFiles(data||[])).catch(()=>{});}return()=>{stopMediaPlayback();};// eslint-disable-next-line react-hooks/exhaustive-deps +setSelStart(value);setSelEnd(value);setIsDragging(true);setPreviewCtxMenu(null);};const handleCanvasMouseMove=e=>{if(!isDragging||!selected)return;const canvas=canvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const clientX=e.clientX-rect.left;const{pxPerSec,pxPerBeat,offset}=getCanvasLayout();const isMidi=isMidiFile(selected);const value=isMidi?(clientX+offset)/pxPerBeat:(clientX+offset)/pxPerSec;setSelEnd(value);};const handleCanvasMouseUp=e=>{if(isDragging){setIsDragging(false);}};const handleCanvasContextMenu=e=>{e.preventDefault();if(!selected||selStart===null||selEnd===null||Math.abs(selStart-selEnd)<0.01)return;setPreviewCtxMenu({x:e.clientX,y:e.clientY});};const handleCopySelection=async()=>{if(!selected||selStart===null||selEnd===null)return;const isMidi=isMidiFile(selected);const startVal=Math.min(selStart,selEnd);const endVal=Math.max(selStart,selEnd);if(isMidi){if(!midiNotes||!midiNotes.length){window.showToast&&window.showToast('Không có dữ liệu MIDI để sao chép','warning');return;}const copiedNotes=midiNotes.filter(n=>n.start_beat>=startVal&&n.start_beat<=endVal).map(n=>({...n,start_beat:n.start_beat-startVal}));if(!copiedNotes.length){window.showToast&&window.showToast('Không có note MIDI nào trong vùng chọn','warning');return;}const selectDurBeats=endVal-startVal;const secondsPerBeat=60/(tempo||120);const selectDurSec=selectDurBeats*secondsPerBeat;const clipObj={type:'midi',notes:copiedNotes,duration:selectDurSec,name:selected.name||'MIDI Selection',color:'#a855f7'};if(clipboardRef)clipboardRef.current=clipObj;window.globalStudioClipboard=clipObj;window.showToast&&window.showToast(`Đã sao chép ${copiedNotes.length} notes MIDI.`,'success');}else{const activeBuf=await getSelectedAudioBuffer();if(!activeBuf){window.showToast&&window.showToast('Không thể tải dữ liệu âm thanh để sao chép','error');return;}const sr=activeBuf.sampleRate;const startSample=Math.floor(startVal*sr);const endSample=Math.floor(endVal*sr);const len=Math.max(1,endSample-startSample);try{const ctx=getAudioContext();const numCh=activeBuf.numberOfChannels||1;const clipBuffer=ctx.createBuffer(numCh,len,sr);for(let ch=0;ch{const handleGlobalClick=()=>setPreviewCtxMenu(null);window.addEventListener('click',handleGlobalClick);return()=>window.removeEventListener('click',handleGlobalClick);},[]);React.useEffect(()=>{const handleKeyDown=e=>{if(e.key===' '||e.code==='Space'){if(window.mediaExplorerActive){const target=e.target;if(target&&(target.tagName==='INPUT'||target.tagName==='TEXTAREA'||target.isContentEditable)){return;}e.preventDefault();e.stopPropagation();if(isPlayingRef.current){stopMediaPlayback();}else{const cur=selectedRef.current;if(cur){selectTokenRef.current++;playSelected(cur,selectTokenRef.current);}}}}if(e.key==='ArrowUp'||e.key==='ArrowDown'||e.key==='ArrowLeft'||e.key==='ArrowRight'){if(window.mediaExplorerActive&&folderRef.current==='computer'){const target=e.target;if(target&&(target.tagName==='INPUT'||target.tagName==='TEXTAREA'||target.isContentEditable)){return;}e.preventDefault();e.stopPropagation();// Build the flat list of visible (expanded) tree nodes. +const paths=[];const walk=(entry,depth)=>{if(!entry||!entry.path)return;paths.push({path:entry.path,entry,depth});const n=computerTreeRef.current[entry.path];if(n&&n.expanded&&n.dirs)(n.dirs||[]).forEach(d=>walk(d,depth+1));};(computerRootsRef.current||[]).forEach(r=>walk(r,0));if(!paths.length)return;const curPath=computerPathRef.current;let idx=paths.findIndex(p=>p.path===curPath);if(e.key==='ArrowUp'){const ni=idx<0?paths.length-1:Math.max(0,idx-1);navigateTreeTo(paths[ni].path);}else if(e.key==='ArrowDown'){const ni=Math.min(paths.length-1,(idx<0?-1:idx)+1);navigateTreeTo(paths[ni].path);}else if(e.key==='ArrowRight'){const node=computerTreeRef.current[curPath];if(node&&!node.expanded){setComputerTree(prev=>({...prev,[curPath]:{...(prev[curPath]||{}),expanded:true}}));if(!node.dirs||!node.dirs.length){if(browseComputerDirRef.current)browseComputerDirRef.current({name:String(curPath).split('/').pop()||curPath,path:curPath,is_dir:true,handle:node.handle});}}else if(idx<0){const p0=paths[0];if(p0)navigateTreeTo(p0.path);}}else if(e.key==='ArrowLeft'){const node=computerTreeRef.current[curPath];if(node&&node.expanded){setComputerTree(prev=>({...prev,[curPath]:{...(prev[curPath]||{}),expanded:false}}));}else if(curPath){const i=curPath.lastIndexOf('/');if(i>0){navigateTreeTo(curPath.substring(0,i));}}}}}if(e.key==='c'&&(e.ctrlKey||e.metaKey)){if(window.mediaExplorerActive){const target=e.target;if(target&&(target.tagName==='INPUT'||target.tagName==='TEXTAREA'||target.isContentEditable)){return;}if(selStartRef.current!==null&&selEndRef.current!==null&&Math.abs(selStartRef.current-selEndRef.current)>0.01){e.preventDefault();e.stopPropagation();handleCopySelection();}}}};window.addEventListener('keydown',handleKeyDown,{capture:true});return()=>{window.removeEventListener('keydown',handleKeyDown,{capture:true});};},[]);const[computerRoots,setComputerRoots]=React.useState(null);const[computerTree,setComputerTree]=React.useState({});const[computerPath,setComputerPath]=React.useState(null);const[computerFiles,setComputerFiles]=React.useState([]);const[computerMode,setComputerMode]=React.useState('server');const[clientRoot,setClientRoot]=React.useState(null);computerPathRef.current=computerPath;computerTreeRef.current=computerTree;computerRootsRef.current=computerRoots;const[favorites,setFavorites]=React.useState(function(){try{return JSON.parse(localStorage.getItem('studio_media_explorer_favorites_v1')||'[]');}catch(e){return[];}}());const[favContext,setFavContext]=React.useState(null);const[favoritedExpanded,setFavoritedExpanded]=React.useState(true);const[colWidths,setColWidths]=React.useState({file:260,size:100,type:100});const startColResize=(colKey,e)=>{e.preventDefault();const startX=e.clientX;const startWidth=colWidths[colKey];const onMouseMove=moveEvent=>{const deltaX=moveEvent.clientX-startX;const newWidth=Math.max(50,startWidth+deltaX);setColWidths(prev=>({...prev,[colKey]:newWidth}));};const onMouseUp=()=>{document.removeEventListener('mousemove',onMouseMove);document.removeEventListener('mouseup',onMouseUp);};document.addEventListener('mousemove',onMouseMove);document.addEventListener('mouseup',onMouseUp);};const[synthInst,setSynthInst]=React.useState(function(){var saved=localStorage.getItem('studio_media_explorer_synth');return saved?JSON.parse(saved):null;}());const[synthOpen,setSynthOpen]=React.useState(false);const[synthFilter,setSynthFilter]=React.useState('');const[synthList,setSynthList]=React.useState(null);const[synthLoading,setSynthLoading]=React.useState(false);const synthListRef=React.useRef(null);synthListRef.current=synthList;const synthInstRef=React.useRef(null);synthInstRef.current=synthInst;const[treeWidth,setTreeWidth]=React.useState(function(){var saved=localStorage.getItem('studio_media_explorer_tree_width');return saved?parseInt(saved):176;}());const treeWidthRef=React.useRef(176);treeWidthRef.current=treeWidth;const startTreeResize=e=>{e.preventDefault();const startX=e.clientX;const startW=treeWidthRef.current;const onMove=ev=>{const newW=Math.max(110,Math.min(420,startW+(ev.clientX-startX)));treeWidthRef.current=newW;setTreeWidth(newW);};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);localStorage.setItem('studio_media_explorer_tree_width',treeWidthRef.current.toString());};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);};const canvasRef=React.useRef(null);const playStateRef=React.useRef(null);const rafRef=React.useRef(null);const loopTimerRef=React.useRef(null);const selectTokenRef=React.useRef(0);React.useEffect(()=>{if(window.SonicAPI&&window.SonicAPI.listMyFiles){window.SonicAPI.listMyFiles([]).then(data=>setUserFiles(data||[])).catch(()=>{});}return()=>{stopMediaPlayback();};// eslint-disable-next-line react-hooks/exhaustive-deps },[]);// ── Session persistence: keep loaded folder/files/tree across panel toggles & reloads ── const SESSION_KEY='studio_media_explorer_session_v1';const saveClientRootHandle=(key='client_root',handle=clientRoot)=>{if(!handle||!window.indexedDB)return;try{const req=indexedDB.open('sonicforge_media_explorer',1);req.onupgradeneeded=e=>{const db=e.target.result;if(!db.objectStoreNames.contains('root_handle'))db.createObjectStore('root_handle');};req.onsuccess=()=>{const db=req.result;const tx=db.transaction('root_handle','readwrite');tx.objectStore('root_handle').put(handle,key);};}catch(e){}};const loadClientRootHandle=(key='client_root')=>{return new Promise(resolve=>{if(!window.indexedDB){resolve(null);return;}try{const req=indexedDB.open('sonicforge_media_explorer',1);req.onupgradeneeded=e=>{const db=e.target.result;if(!db.objectStoreNames.contains('root_handle'))db.createObjectStore('root_handle');};req.onsuccess=()=>{const db=req.result;try{const tx=db.transaction('root_handle','readonly');const g=tx.objectStore('root_handle').get(key);g.onsuccess=()=>resolve(g.result||null);g.onerror=()=>resolve(null);}catch(e2){resolve(null);}};req.onerror=()=>resolve(null);}catch(e){resolve(null);}});};const saveSession=React.useCallback(()=>{try{const stripHandle=o=>{if(Array.isArray(o))return o.map(stripHandle);if(o&&typeof o==='object'){const out={};for(const k of Object.keys(o)){if(k==='handle')continue;out[k]=stripHandle(o[k]);}return out;}return o;};const treeSnapshot={};Object.keys(computerTree).forEach(path=>{const node=computerTree[path];treeSnapshot[path]={dirs:stripHandle(node?node.dirs:[]),expanded:!!(node&&node.expanded)};});const snap={folder,computerMode,computerPath,clientRootName:clientRoot?clientRoot.name:null,computerRoots:stripHandle(computerRoots||[]),computerTree:treeSnapshot,computerFiles:stripHandle(computerFiles||[]),selected:selected?stripHandle({name:selected.name,path:selected.path,kind:selected.kind,is_dir:selected.is_dir,size_mb:selected.size_mb}):null,savedAt:Date.now()};localStorage.setItem(SESSION_KEY,JSON.stringify(snap));}catch(e){}},[folder,computerMode,computerPath,clientRoot,computerRoots,computerTree,computerFiles,selected]);React.useEffect(()=>{saveSession();if(computerMode==='client'&&clientRoot&&clientRoot.kind==='directory')saveClientRootHandle();},[saveSession,computerMode,clientRoot]);React.useEffect(()=>{(async()=>{let lastFolder='library';let lastComputerPath='favorited';try{const raw=localStorage.getItem(SESSION_KEY);if(raw){const snap=JSON.parse(raw);if(snap.folder)lastFolder=snap.folder;if(snap.computerPath)lastComputerPath=snap.computerPath;setFolder(lastFolder);}}catch(e){}// 1. Khôi phục client-side root handle từ IndexedDB const savedHandle=await loadClientRootHandle();let restoredClientRoot=null;if(savedHandle&&savedHandle.kind==='directory'){setClientRoot(savedHandle);restoredClientRoot=savedHandle;setComputerMode('client');const rootEntry={name:savedHandle.name,path:'root',is_dir:true,handle:savedHandle};setComputerRoots([rootEntry]);// Quét đúng 1 cấp con dưới root của client @@ -295,7 +298,7 @@ const favKey='client:'+rootHandle.name;saveClientRootHandle('client_root',rootHa setFavorites(prev=>{const exists=prev.some(f=>f.path===favKey);if(exists)return prev;const next=[...prev,{path:favKey,name:rootHandle.name,is_dir:true}];try{localStorage.setItem('studio_media_explorer_favorites_v1',JSON.stringify(next));}catch(e2){}return next;});window.showToast&&window.showToast('Đã thêm thư mục client vào Favorited: '+rootHandle.name,'info');await browseComputerDir(rootEntry);return true;};// Luôn bắt buộc hiện Window Picker chọn thư mục của client-side khi click vào My Computer if(window.showDirectoryPicker){try{const picked=await window.showDirectoryPicker({mode:'read'});if(picked&&picked.kind==='directory'){return useClientRoot(picked);}}catch(e){// User cancelled or error }}// Fallback sang Server-side chỉ khi browser không hỗ trợ -setComputerMode('server');setComputerRoots(null);try{const resp=await fetch(`${API_BASE_URL}/api/v1/media/computer`);if(!resp.ok)throw new Error('HTTP '+resp.status);const data=await resp.json();const roots=data.roots||[];setComputerRoots(roots.length?roots:[{path:'/',name:'Root (/)',is_dir:true}]);if(!roots.length)window.showToast&&window.showToast('Không tìm thấy ổ đĩa nào','warning');const rootList=roots.length?roots:[{path:'/',name:'Root (/)',is_dir:true}];rootList.slice(0,10).forEach(async root=>{await browseComputerDir(root);});}catch(e){setComputerRoots([{path:'/',name:'Root (/)',is_dir:true}]);window.showToast&&window.showToast('Không thể truy cập My Computer: '+e.message,'error');}};const browseClientDir=async entry=>{const handle=entry&&entry.handle;if(!handle||!handle.entries)return null;const dirs=[];const files=[];const parentPath=entry.path;try{for await(const[name,h]of handle.entries()){if(name.startsWith('.'))continue;if(h.kind==='directory'){dirs.push({name,path:parentPath+'/'+name,is_dir:true,handle:h,parent:handle});}else{const ext=(name.split('.').pop()||'').toLowerCase();const kind=ext==='mid'||ext==='midi'?'midi':['wav','mp3','ogg','flac','aiff','aif','m4a','aac','opus'].includes(ext)?'audio':'other';let size=0;try{const f=await h.getFile();size=f.size;}catch(e2){}files.push({name,path:parentPath+'/'+name,is_dir:false,size_mb:size?+(size/1048576).toFixed(2):0,ext:'.'+ext,kind,handle:h});}}dirs.sort((a,b)=>a.name.localeCompare(b.name));files.sort((a,b)=>a.name.localeCompare(b.name));setComputerPath(parentPath);setComputerFiles(files);setSelected(null);setCurrentTime(0);stopMediaPlayback();setComputerTree(prev=>({...prev,[parentPath]:{handle,parent:entry.parent||null,dirs,expanded:true}}));return{dirs,files};}catch(e){window.showToast&&window.showToast('Không thể đọc thư mục: '+e.message,'error');return null;}};const browseComputerDir=async entry=>{if(!entry)return null;if(computerMode==='client'||entry.handle){if(entry.handle&&entry.handle.entries){const parentInfo=computerTree[entry.path];return await browseClientDir({...entry,parent:parentInfo?parentInfo.parent:entry.parent});}}const path=entry.path||entry;if(!path)return null;try{const resp=await fetch(`${API_BASE_URL}/api/v1/media/browse?path=${encodeURIComponent(path)}`);if(!resp.ok)throw new Error('HTTP '+resp.status);const data=await resp.json();setComputerPath(data.path);setComputerFiles(data.files||[]);setSelected(null);setCurrentTime(0);stopMediaPlayback();setComputerTree(prev=>({...prev,[path]:{dirs:data.dirs||[],expanded:true}}));return{dirs:data.dirs||[],files:data.files||[]};}catch(e){window.showToast&&window.showToast('Không thể mở thư mục: '+e.message,'error');return null;}};const toggleComputerDir=async entry=>{if(!entry)return;const path=entry.path||entry;const node=computerTree[path];if(node&&node.expanded){setComputerTree(prev=>({...prev,[path]:{...prev[path],expanded:false}}));}else{await browseComputerDir(entry);}};// ── Favorites: thư mục yêu thích ── +setComputerMode('server');setComputerRoots(null);try{const resp=await fetch(`${API_BASE_URL}/api/v1/media/computer`);if(!resp.ok)throw new Error('HTTP '+resp.status);const data=await resp.json();const roots=data.roots||[];setComputerRoots(roots.length?roots:[{path:'/',name:'Root (/)',is_dir:true}]);if(!roots.length)window.showToast&&window.showToast('Không tìm thấy ổ đĩa nào','warning');const rootList=roots.length?roots:[{path:'/',name:'Root (/)',is_dir:true}];rootList.slice(0,10).forEach(async root=>{await browseComputerDir(root);});}catch(e){setComputerRoots([{path:'/',name:'Root (/)',is_dir:true}]);window.showToast&&window.showToast('Không thể truy cập My Computer: '+e.message,'error');}};const browseClientDir=async entry=>{const handle=entry&&entry.handle;if(!handle||!handle.entries)return null;const dirs=[];const files=[];const parentPath=entry.path;try{for await(const[name,h]of handle.entries()){if(name.startsWith('.'))continue;if(h.kind==='directory'){dirs.push({name,path:parentPath+'/'+name,is_dir:true,handle:h,parent:handle});}else{const ext=(name.split('.').pop()||'').toLowerCase();const kind=ext==='mid'||ext==='midi'?'midi':['wav','mp3','ogg','flac','aiff','aif','m4a','aac','opus'].includes(ext)?'audio':'other';let size=0;try{const f=await h.getFile();size=f.size;}catch(e2){}files.push({name,path:parentPath+'/'+name,is_dir:false,size_mb:size?+(size/1048576).toFixed(2):0,ext:'.'+ext,kind,handle:h});}}dirs.sort((a,b)=>a.name.localeCompare(b.name));files.sort((a,b)=>a.name.localeCompare(b.name));setComputerPath(parentPath);setComputerFiles(files);setSelected(null);setCurrentTime(0);stopMediaPlayback();setComputerTree(prev=>({...prev,[parentPath]:{handle,parent:entry.parent||null,dirs,expanded:true}}));return{dirs,files};}catch(e){window.showToast&&window.showToast('Không thể đọc thư mục: '+e.message,'error');return null;}};const browseComputerDir=async entry=>{if(!entry)return null;if(computerMode==='client'||entry.handle){if(entry.handle&&entry.handle.entries){const parentInfo=computerTree[entry.path];return await browseClientDir({...entry,parent:parentInfo?parentInfo.parent:entry.parent});}}const path=entry.path||entry;if(!path)return null;try{const resp=await fetch(`${API_BASE_URL}/api/v1/media/browse?path=${encodeURIComponent(path)}`);if(!resp.ok)throw new Error('HTTP '+resp.status);const data=await resp.json();setComputerPath(data.path);setComputerFiles(data.files||[]);setSelected(null);setCurrentTime(0);stopMediaPlayback();setComputerTree(prev=>({...prev,[path]:{dirs:data.dirs||[],expanded:true}}));return{dirs:data.dirs||[],files:data.files||[]};}catch(e){window.showToast&&window.showToast('Không thể mở thư mục: '+e.message,'error');return null;}};browseComputerDirRef.current=browseComputerDir;const toggleComputerDir=async entry=>{if(!entry)return;const path=entry.path||entry;const node=computerTree[path];if(node&&node.expanded){setComputerTree(prev=>({...prev,[path]:{...prev[path],expanded:false}}));}else{await browseComputerDir(entry);}};// ── Favorites: thư mục yêu thích ── const isFavorite=entry=>{if(!entry)return false;return(favorites||[]).some(f=>f.path===(entry.path||entry));};const toggleFavorite=(entry,e)=>{if(e&&e.stopPropagation)e.stopPropagation();if(!entry)return;const path=entry.path||entry;const name=entry.name||path.split('/').pop()||path;setFavorites(prev=>{const exists=prev.some(f=>f.path===path);const next=exists?prev.filter(f=>f.path!==path):[...prev,{path,name,is_dir:true}];try{localStorage.setItem('studio_media_explorer_favorites_v1',JSON.stringify(next));}catch(e2){}return next;});window.showToast&&window.showToast('Đã '+(isFavorite(entry)?'gỡ khỏi':'thêm vào')+' Favorited: '+name,'info');};const openFavorite=fav=>{if(!fav)return;setFolder('computer');const entry={path:fav.path,name:fav.name,is_dir:true};// Cố gắng tìm handle trong cây đã load để mở trực tiếp const node=computerTree[fav.path];if(node&&node.handle){setComputerTree({});// Reset cache browseComputerDir({...entry,handle:node.handle});}else if(fav.path&&fav.path.startsWith('client:')){(async()=>{let favHandle=null;try{favHandle=await loadClientRootHandle(fav.path);}catch(e){}if(favHandle){// Yêu cầu quyền đọc (permission có thể bị thu hồi) @@ -305,7 +308,9 @@ const segments=fav.path.split('/').slice(1);let curHandle=clientRoot;const walk= browseComputerDir(parts.length?parts.join('\\'):computerPath.split(/[\\/]/)[0]+'\\');}};const readLocalFileBuffer=async f=>{if(f&&f.handle&&typeof f.handle.getFile==='function'){const file=await f.handle.getFile();return await file.arrayBuffer();}const url=filePreviewUrl(f);if(!url)return null;const resp=await fetch(url);return await resp.arrayBuffer();};const filePreviewUrl=f=>{if(f&&f.path&&!(f.handle&&f.handle.getFile))return`${API_BASE_URL}/api/v1/media/file?path=${encodeURIComponent(f.path)}`;const fid=f&&(f.file_id||f.fileId);return fid?`${API_BASE_URL}/api/v1/audio/download/${fid}`:null;};const toggleSynthDropdown=()=>{if(synthOpen){setSynthOpen(false);return;}setSynthFilter('');// Clear search filter on open setSynthOpen(true);if(synthListRef.current)return;setSynthLoading(true);(window.SonicAPI&&window.SonicAPI.listPlugins?window.SonicAPI.listPlugins():Promise.resolve({soundfonts:[]})).then(async data=>{const sfonts=data&&data.soundfonts||[];if(!sfonts.length){setSynthList([]);setSynthLoading(false);return;}const results=await Promise.all(sfonts.map(sf=>{const baseId=String(sf.id||'').replace('sf_','');return(window.SonicAPI.listSoundfontInstruments?window.SonicAPI.listSoundfontInstruments(baseId):Promise.resolve({presets:[]})).then(r=>({sf,presets:r&&r.presets||[]})).catch(()=>({sf,presets:[]}));}));setSynthList(results);setSynthLoading(false);}).catch(()=>{setSynthList([]);setSynthLoading(false);});};const selectSynthInst=inst=>{setSynthInst(inst);synthInstRef.current=inst;setSynthOpen(false);localStorage.setItem('studio_media_explorer_synth',JSON.stringify(inst));// Realtime: re-schedule current MIDI preview with the newly selected instrument const cur=selectedRef.current;if(isPlayingRef.current&&cur&&isMidiFile(cur)&&(cur.handle||cur.path||cur.file_id||cur.fileId)){selectTokenRef.current++;const token=selectTokenRef.current;try{if(window.SonicSF&&typeof window.SonicSF.stopAll==='function')window.SonicSF.stopAll();}catch(e){}playMidiPreview(cur,token);}};const filteredSynthList=React.useMemo(()=>{if(!synthList)return[];if(!synthFilter.trim())return synthList;const query=synthFilter.toLowerCase().trim();return synthList.map(group=>{const presets=(group.presets||[]).filter(p=>(p.name||'').toLowerCase().includes(query)||String(p.program).includes(query));return{...group,presets};}).filter(group=>group.presets.length>0);},[synthList,synthFilter]);const playMidiPreview=async(f,token)=>{// Play real MIDI file through selected synth instrument (SonicSF) -if(!f||!window.SonicSF)return;try{const buf=await readLocalFileBuffer(f);if(!buf)return;if(selectTokenRef.current!==(token||selectTokenRef.current))return;const midiResult=(typeof parseMidiFile==='function'?parseMidiFile:window.parseMidiFile)(buf);if(!midiResult||!midiResult.length)return;const ctx=getAudioContext();const bpmVal=tempoRef.current||120;const secondsPerBeat=60.0/bpmVal;const startWallTime=ctx.currentTime+0.05;const curInst=synthInstRef.current;const program=curInst?curInst.program:undefined;const sfId=curInst?curInst.sfId:undefined;const bank=curInst?curInst.bank:0;if(curInst&&window.SonicSF.selectInstrument){try{await window.SonicSF.selectInstrument(0,bank,program,sfId);}catch(e2){}}// Re-check token after the async await — stale playMidiPreview (older file) +if(!f||!window.SonicSF)return;try{const buf=await readLocalFileBuffer(f);if(!buf)return;if(selectTokenRef.current!==(token||selectTokenRef.current))return;const midiResult=(typeof parseMidiFile==='function'?parseMidiFile:window.parseMidiFile)(buf);if(!midiResult||!midiResult.length)return;// Feature: selecting/playing a MIDI file auto-sets the playback tempo to +// the file's own BPM (so the preview plays in time). +const fileBpm=midiResult[0]&&midiResult[0].bpm||120;const newTempo=Math.max(40,Math.min(300,Math.round(fileBpm)));setTempo(newTempo);setTempoText(String(newTempo));tempoRef.current=newTempo;try{localStorage.setItem('studio_media_explorer_tempo',String(newTempo));}catch(e){}const ctx=getAudioContext();const bpmVal=tempoRef.current||120;const secondsPerBeat=60.0/bpmVal;const startWallTime=ctx.currentTime+0.05;const curInst=synthInstRef.current;const program=curInst?curInst.program:undefined;const sfId=curInst?curInst.sfId:undefined;const bank=curInst?curInst.bank:0;if(curInst&&window.SonicSF.selectInstrument){try{await window.SonicSF.selectInstrument(0,bank,program,sfId);}catch(e2){}}// Re-check token after the async await — stale playMidiPreview (older file) // must not schedule notes over the newly selected file. if(selectTokenRef.current!==(token||selectTokenRef.current))return;const prog=curInst&&curInst.program!==undefined?curInst.program:undefined;const eng=curInst?{soundfont_id:sfId,soundfont_bank:bank,soundfont_program:prog!==undefined?prog:0}:undefined;const totalSec=midiResult[0].duration||4;const totalBeats=midiResult[0].totalBeats||16;const hasSelection=selStart!==null&&selEnd!==null&&Math.abs(selStart-selEnd)>0.01;const loopStartBeats=hasSelection?Math.min(selStart,selEnd):0;const loopEndBeats=hasSelection?Math.max(selStart,selEnd):totalBeats;const loopDurationBeats=loopEndBeats-loopStartBeats;const loopDurationSec=loopDurationBeats*secondsPerBeat;const loopStartSec=loopStartBeats*secondsPerBeat;const allNotes=[];midiResult.forEach(track=>{(track.notes||[]).forEach(note=>{allNotes.push(Object.assign({},note,{trackOffset:track.startTime||0}));});});const schedulePass=passStartTime=>{allNotes.forEach(note=>{const noteStartBeat=note.start_beat||0;if(hasSelection){if(noteStartBeat=loopEndBeats)return;}const shiftedStartBeat=hasSelection?noteStartBeat-loopStartBeats:noteStartBeat;const startSec=shiftedStartBeat*secondsPerBeat+(note.trackOffset||0);const durMs=Math.max(80,(note.duration_beats||1)*secondsPerBeat*1000);window.SonicSF.playNote(note.pitch||60,note.velocity||0.8,durMs,passStartTime+startSec,prog,null,0,eng);});};schedulePass(startWallTime);// Loop scheduling: keep looping continuously until Stop is pressed. if(loopTimerRef.current){clearInterval(loopTimerRef.current);loopTimerRef.current=null;}if(isLoopingRef.current){loopTimerRef.current=setInterval(()=>{if(selectTokenRef.current!==(token||selectTokenRef.current)){clearInterval(loopTimerRef.current);loopTimerRef.current=null;return;}if(!isPlayingRef.current||isPausedRef.current)return;if(!isLoopingRef.current){clearInterval(loopTimerRef.current);loopTimerRef.current=null;return;}const passStart=ctx.currentTime+0.05;schedulePass(passStart);playStateRef.current=Object.assign({},playStateRef.current,{startedAt:passStart,fakeStart:passStart});},Math.max(200,loopDurationSec*1000));}// Keep a fake clock so canvas playhead animates; loop uses playStateRef @@ -317,15 +322,22 @@ const pxPerBeat=42*zoom;const pxPerSec=pxPerBeat*(curTempo||120)/60;if(isMidiFil for(let b=0;b<=beats;b+=4){const x=b*pxPerBeat-offset;if(x<-10||x>w+10)continue;ctx.beginPath();ctx.moveTo(x,0);ctx.lineTo(x,h-14);ctx.stroke();}ctx.fillStyle='#9ca3af';if(curMidiNotes&&curMidiNotes.length){const pitchMin=48,pitchMax=84;const pitchRange=Math.max(1,pitchMax-pitchMin);curMidiNotes.forEach(n=>{const x=n.start_beat*pxPerBeat-offset;if(x<-30||x>w+30)return;const nw=Math.max(3,(n.duration_beats||1)*pxPerBeat);const y=h-14-8-(Math.min(pitchMax,Math.max(pitchMin,n.pitch))-pitchMin)/pitchRange*(h-30);ctx.fillRect(x,y,nw,5);});}else{const events=f.events||76;for(let i=0;iw?Math.max(0,Math.min(w,t*pxPerSec-offset)):Math.min(w,t*pxPerSec);if(playing&&dur>0){ctx.fillStyle='#ef4444';ctx.fillRect(midiPlayheadX-1,0,2,h-14);}}else{const pk=curPeaks&&curPeaks.length>0?curPeaks:null;if(pk){const contentW=Math.max(1,dur*pxPerSec);const offsetVal=scrollOffsetRef.current;let offset=offsetVal;if(playing&&contentW>w&&dur>0){offset=Math.max(0,Math.min(contentW-w,t*pxPerSec-w/2));}else{offset=Math.max(0,Math.min(contentW-w,offsetVal));}const mid=h/2;ctx.fillStyle='#22c55e';const barW=Math.max(1,contentW/pk.length);for(let i=0;iw+3)continue;const ph=Math.max(2,pk[i]*(h/2-4));ctx.fillRect(x,mid-ph,barW,ph*2);}// Draw selection overlay if(drawHasSel){const startVal=Math.min(drawSelStart,drawSelEnd);const endVal=Math.max(drawSelStart,drawSelEnd);const xStart=startVal*pxPerSec-offset;const xEnd=endVal*pxPerSec-offset;ctx.fillStyle='rgba(59, 130, 246, 0.25)';ctx.fillRect(xStart,0,xEnd-xStart,h-14);ctx.strokeStyle='#3b82f6';ctx.lineWidth=1;ctx.beginPath();ctx.moveTo(xStart,0);ctx.lineTo(xStart,h-14);ctx.moveTo(xEnd,0);ctx.lineTo(xEnd,h-14);ctx.stroke();}const audioPlayheadX=contentW>w?Math.max(0,Math.min(w,t*pxPerSec-offset)):t*pxPerSec;if(playing&&dur>0){ctx.fillStyle='#ef4444';ctx.fillRect(audioPlayheadX-1,0,2,h-14);}}else{ctx.fillStyle='#666';ctx.font='11px monospace';ctx.fillText('Waveform unavailable',10,h/2);}}// ruler -ctx.fillStyle='#111';ctx.fillRect(0,h-14,w,14);ctx.fillStyle='#888';ctx.font='9px JetBrains Mono, monospace';const isRealMidi=isMidiFile(f)&&curMidiNotes&&curMidiNotes.length&&curMidiTotalBeats>0;const rulerTotalBeats=isRealMidi?Math.max(curMidiTotalBeats,4):Math.max(4,Math.ceil(dur*(curTempo||120)/60)||16);const rulerContentW=Math.max(1,rulerTotalBeats*pxPerBeat);const rulerOffset=playing&&rulerContentW>w&&dur>0?Math.max(0,Math.min(rulerContentW-w,t*pxPerSec-w/2)):0;for(let b=0;b<=rulerTotalBeats;b+=4){const x=b*pxPerBeat-rulerOffset;if(x<-20||x>w+20)continue;ctx.fillText(String(Math.floor(b/4)),x+2,h-3);}};React.useEffect(()=>{drawCanvas(currentTime);},[peaks,audioBuffer,audioDuration,midiNotes,selected,folder,isPlaying,zoom,selStart,selEnd,scrollOffset]);React.useEffect(()=>()=>{if(rafRef.current)cancelAnimationFrame(rafRef.current);},[]);const handleSelect=f=>{if(!f||f.is_dir)return;// Find parent path of selected file and scroll it into view in Tree pane +ctx.fillStyle='#111';ctx.fillRect(0,h-14,w,14);ctx.fillStyle='#888';ctx.font='9px JetBrains Mono, monospace';const isRealMidi=isMidiFile(f)&&curMidiNotes&&curMidiNotes.length&&curMidiTotalBeats>0;const rulerTotalBeats=isRealMidi?Math.max(curMidiTotalBeats,4):Math.max(4,Math.ceil(dur*(curTempo||120)/60)||16);const rulerContentW=Math.max(1,rulerTotalBeats*pxPerBeat);const rulerOffset=playing&&rulerContentW>w&&dur>0?Math.max(0,Math.min(rulerContentW-w,t*pxPerSec-w/2)):0;for(let b=0;b<=rulerTotalBeats;b+=4){const x=b*pxPerBeat-rulerOffset;if(x<-20||x>w+20)continue;ctx.fillText(String(Math.floor(b/4)),x+2,h-3);}};React.useEffect(()=>{drawCanvas(currentTime);},[peaks,audioBuffer,audioDuration,midiNotes,selected,folder,isPlaying,zoom,selStart,selEnd,scrollOffset]);React.useEffect(()=>()=>{if(rafRef.current)cancelAnimationFrame(rafRef.current);},[]);const commitTempo=v=>{const clamped=Math.max(40,Math.min(300,Math.round(v)||120));setTempo(clamped);setTempoText(String(clamped));tempoRef.current=clamped;try{localStorage.setItem('studio_media_explorer_tempo',String(clamped));}catch(e){}// Re-schedule a currently playing MIDI preview at the new tempo. +const cur=selectedRef.current;if(isPlayingRef.current&&cur&&isMidiFile(cur)&&(cur.handle||cur.path||cur.file_id||cur.fileId)){selectTokenRef.current++;const token=selectTokenRef.current;try{if(window.SonicSF&&typeof window.SonicSF.stopAll==='function')window.SonicSF.stopAll();}catch(e){}playMidiPreview(cur,token);}};// Center a folder node vertically in the tree pane (feature: file click focuses +// its parent folder in the middle of the tree). +const centerTreeNodeInPane=path=>{setTimeout(()=>{const pane=treePaneRef.current;if(!pane)return;const el=document.querySelector(`[data-tree-path="${path}"]`);if(!el)return;const paneRect=pane.getBoundingClientRect();const elRect=el.getBoundingClientRect();const target=pane.scrollTop+(elRect.top-paneRect.top)-paneRect.height/2+elRect.height/2;pane.scrollTo({top:Math.max(0,target),behavior:'smooth'});},80);};// Flat list of currently visible (expanded) tree nodes, in render order. +const getVisibleTreePaths=()=>{const out=[];const walk=(entry,depth)=>{if(!entry||!entry.path)return;out.push({path:entry.path,entry,depth});const node=computerTreeRef.current[entry.path];if(node&&node.expanded&&node.dirs){(node.dirs||[]).forEach(d=>walk(d,depth+1));}};(computerRootsRef.current||[]).forEach(r=>walk(r,0));return out;};const navigateTreeTo=path=>{const paths=getVisibleTreePaths();const target=paths.find(p=>p.path===path);if(!target)return;// Expand all ancestor nodes so the target is visible in the tree. +setComputerTree(prev=>{const next={...prev};let current=path;while(current){const n=next[current];if(n)next[current]={...n,expanded:true};const idx=current.lastIndexOf('/');if(idx<=0)break;current=current.substring(0,idx);}return next;});setComputerPath(path);if(browseComputerDirRef.current)browseComputerDirRef.current(target.entry);centerTreeNodeInPane(path);};const handleSelect=f=>{if(!f||f.is_dir)return;// When a MIDI file is clicked, automatically set the play tempo to the +// MIDI file's tempo (BPM from metadata, or after parsing in playMidiPreview). +if(isMidiFile(f)&&f.bpm){const v=Math.max(40,Math.min(300,Math.round(parseFloat(f.bpm)||120)));setTempo(v);setTempoText(String(v));tempoRef.current=v;try{localStorage.setItem('studio_media_explorer_tempo',String(v));}catch(e){}}// Find parent path of selected file and scroll it into view in Tree pane 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",midiFileBpm||120),/*#__PURE__*/React.createElement("div",null,"Duration: ",selDur.toFixed(2),"s")):/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",null,"Duration: ",selDur.toFixed(2),"s"),/*#__PURE__*/React.createElement("div",null,"Sample Rate: 44100 Hz"),/*#__PURE__*/React.createElement("div",null,"Type: ",selected.path?selected.kind==='other'?'Local File':'Local Audio':selected.type||'Audio'))):/*#__PURE__*/React.createElement("div",null,"No file selected"))),/*#__PURE__*/React.createElement("div",{className:"h-5 bg-[#c0c0c0] border-t border-white flex items-center justify-between text-[11px] font-mono px-1 shrink-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-3"},selIsMidi&&midiNotes&&midiNotes.length?/*#__PURE__*/React.createElement("div",{className:"bg-white border border-[#808080] px-1.5 text-slate-900 font-bold"},"Bar ",Math.max(1,Math.floor(currentTime/(4*60/(tempo||120)))+1)," / ",midiBars||1,/*#__PURE__*/React.createElement("span",{className:"text-slate-500 ml-1"},"| ",formatTime(currentTime)," / ",formatTime(selDur))):/*#__PURE__*/React.createElement("div",{className:"bg-white border border-[#808080] px-1.5 text-slate-900 font-bold"},formatTime(currentTime)," / ",formatTime(selDur))),/*#__PURE__*/React.createElement("div",{className:"text-slate-800 font-bold truncate max-w-[40%]"},selected?selected.name||selected.original_name:'No file selected'),/*#__PURE__*/React.createElement("div",{className:"text-slate-700"},selBpm," bpm x",rate.toFixed(2)))));};const App=()=>{// ── State Definitions ── const[tracks,setTracks]=useState([{id:'1',name:'Track 01',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#0f766e',markers:[],serverFileId:null,clips:[],sections:[],midiItems:[],isArmed:false,monitoringEnabled:true,inputSource:{deviceType:'NONE',deviceId:''}},{id:'2',name:'Track 02',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#1d4ed8',markers:[],serverFileId:null,clips:[],sections:[],midiItems:[],isArmed:false,monitoringEnabled:true,inputSource:{deviceType:'NONE',deviceId:''}}]);const[appWarningModal,setAppWarningModal]=useState(null);const[bpm,setBpm]=useState(localStorage.getItem('studio_bpm')||'120');const prevBpmRef=useRef(bpm);const[draggedClip,setDraggedClip]=useState(null);const[hoveredTrackId,setHoveredTrackId]=useState(null);// Recalculate item/section/selection durations when BPM changes useEffect(()=>{const oldSpb=prevBpmRef.current?60.0/parseFloat(prevBpmRef.current)*4:null;const bpmVal=parseFloat(bpm)||120;const secondsPerBar=60.0/bpmVal*4;// Recalculate range loop selection to maintain bar count (tempo mode only) if(oldSpb&&selectionFollowsTempo&&selectionStart!==null&&selectionEnd!==null&&selectionEnd>selectionStart){const startBar=selectionStart/oldSpb;const endBar=selectionEnd/oldSpb;if(endBar-startBar>0.01){setSelectionStart(startBar*secondsPerBar);setSelectionEnd(endBar*secondsPerBar);}}prevBpmRef.current=bpm;// Force canvas redraw diff --git a/app/templates/index.html b/app/templates/index.html index 7163bf7..c485178 100644 --- a/app/templates/index.html +++ b/app/templates/index.html @@ -24,7 +24,7 @@ - +