From 249e2afea29bce67497e58ded0de39b57b4bd350 Mon Sep 17 00:00:00 2001 From: 3dtours Date: Sun, 2 Aug 2026 17:47:44 +0700 Subject: [PATCH] =?UTF-8?q?feat:=20canvas=20scroll=20preview,=20gi?= =?UTF-8?q?=E1=BB=AF=20state=20khi=20toggle,=20restore=20session=20folder/?= =?UTF-8?q?files?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- app/static/js/app.jsx | 194 ++++++++++++++++++++++++++++--- app/static/js/app.precompiled.js | 16 ++- app/templates/index.html | 2 +- wiki.md | 5 + 4 files changed, 194 insertions(+), 23 deletions(-) diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx index a1e1a8c..62d6748 100644 --- a/app/static/js/app.jsx +++ b/app/static/js/app.jsx @@ -9104,6 +9104,138 @@ const MediaExplorerPanel = ({ height }) => { // 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 = () => { + if (!clientRoot || !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(clientRoot, 'client_root'); + }; + } catch (e) {} + }; + const loadClientRootHandle = () => { + 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('client_root'); + 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]); + + const restoreSession = React.useCallback(() => { + try { + const raw = localStorage.getItem(SESSION_KEY); + if (!raw) return; + const snap = JSON.parse(raw); + if (snap.folder) setFolder(snap.folder); + if (snap.computerMode) setComputerMode(snap.computerMode); + if (snap.clientRootName) setClientRoot({ name: snap.clientRootName }); + if (snap.computerRoots && snap.computerRoots.length) setComputerRoots(snap.computerRoots); + if (snap.computerPath) setComputerPath(snap.computerPath); + if (snap.computerFiles) setComputerFiles(snap.computerFiles); + if (snap.selected) setSelected(snap.selected); + if (snap.computerTree) { + const tree = {}; + Object.keys(snap.computerTree).forEach(path => { + tree[path] = { + dirs: snap.computerTree[path].dirs || [], + expanded: snap.computerTree[path].expanded + }; + }); + setComputerTree(tree); + } + } catch (e) {} + }, []); + + React.useEffect(() => { + (async () => { + await restoreSession(); + // Restore the FileSystemDirectoryHandle so client-mode browsing still works + const savedHandle = await loadClientRootHandle(); + if (savedHandle && savedHandle.kind === 'directory') { + setClientRoot(savedHandle); + const restoredPath = (() => { try { return JSON.parse(localStorage.getItem(SESSION_KEY) || '{}').computerPath; } catch (e) { return null; } })(); + if (restoredPath) { + setComputerRoots([{ name: savedHandle.name, path: 'root', is_dir: true, handle: savedHandle }]); + // Re-browse current dir to re-attach real handles (metadata-only tree from localStorage) + const storedTree = (() => { try { return JSON.parse(localStorage.getItem(SESSION_KEY) || '{}').computerTree; } catch (e) { return null; } })(); + if (storedTree) { + const rebuilt = {}; + Object.keys(storedTree).forEach(p => { rebuilt[p] = { dirs: storedTree[p].dirs || [], expanded: storedTree[p].expanded }; }); + setComputerTree(rebuilt); + } + setComputerMode('client'); + // Rebuild handles for the current folder + ancestors by walking from root + browseComputerDir({ name: savedHandle.name, path: 'root', is_dir: true, handle: savedHandle }); + } + } + })(); + // eslint-disable-next-line react-hooks/exhaustive-deps + }, []); + const isMidiFile = f => f && (f.kind === 'midi' || /\.(mid|midi)$/i.test(f.name || f.original_name || '')); const fileDuration = f => { if (!f) return 0; @@ -9496,10 +9628,20 @@ const MediaExplorerPanel = ({ height }) => { ctx.strokeStyle = '#333'; for (let y = 0; y < h - 14; y += 10) { ctx.beginPath(); ctx.moveTo(0, y); ctx.lineTo(w, y); ctx.stroke(); } ctx.strokeStyle = '#444'; - const totalBeats = curMidiNotes && curMidiNotes.length ? Math.max(curMidiTotal * (curTempo || 120) / 60, 4) : (f.lengthQn || 16); + // Content scrolls when wider than frame: playhead stays at frame center + const bpmV = curTempo || 120; + const pxPerBeat = 42; + const totalBeats = curMidiNotes && curMidiNotes.length ? Math.max(curMidiTotal * bpmV / 60, 4) : (f.lengthQn || 16); const beats = totalBeats; + const contentW = Math.max(w, beats * pxPerBeat); + const pxPerSec = pxPerBeat * bpmV / 60; + let offset = 0; + if (playing && contentW > w && dur > 0) { + offset = Math.max(0, Math.min(contentW - w, t * pxPerSec - w / 2)); + } for (let b = 0; b <= beats; b += 4) { - const x = (b / beats) * w; + 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'; @@ -9508,29 +9650,48 @@ const MediaExplorerPanel = ({ height }) => { const pitchMin = 48, pitchMax = 84; const pitchRange = Math.max(1, pitchMax - pitchMin); curMidiNotes.forEach(n => { - const x = (n.start_beat / beats) * w; - const nw = Math.max(3, (n.duration_beats / beats) * w); + 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; i < events; i++) { - const nx = ((i * 17 + 76) % 95) / 100 * (w - 20); + const nx = ((i * 17 + 76) % 95) / 100 * contentW - offset; const ny = ((i * 13 + 76) % (h - 30)) + 4; ctx.fillRect(nx, ny, Math.max(8, (i % 5 + 1) * 10), 3); } } + // playhead (drawn over MIDI): moves to frame center, then stops there & content scrolls + const midiPlayheadX = contentW > w ? Math.min(w / 2, t * pxPerSec) : 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 pxPerSec = 50; + const contentW = Math.max(w, dur * pxPerSec); + let offset = 0; + if (playing && contentW > w && dur > 0) { + offset = Math.max(0, Math.min(contentW - w, t * pxPerSec - w / 2)); + } const mid = h / 2; ctx.fillStyle = '#22c55e'; for (let i = 0; i < pk.length; i++) { - const x = (i / pk.length) * w; + const x = (i / pk.length) * contentW - offset; + if (x < -3 || x > w + 3) continue; const ph = Math.max(2, pk[i] * (h / 2 - 4)); ctx.fillRect(x, mid - ph, Math.max(1, w / pk.length), ph * 2); } + const audioPlayheadX = contentW > w ? Math.min(w / 2, t * pxPerSec) : Math.min(w, 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); @@ -9539,17 +9700,16 @@ const MediaExplorerPanel = ({ height }) => { // ruler ctx.fillStyle = '#111'; ctx.fillRect(0, h - 14, w, 14); ctx.fillStyle = '#888'; ctx.font = '9px JetBrains Mono, monospace'; - const rulerBeats = Math.max(4, Math.ceil(dur * (curTempo || 120) / 60) || 16); - for (let b = 0; b <= rulerBeats; b += 4) { - const x = (b / rulerBeats) * w; + const rulerBpm = curTempo || 120; + const rulerPxPerBeat = isMidiFile(f) ? 42 : (50 * 60 / rulerBpm); + const rulerContentW = Math.max(w, dur * rulerPxPerBeat * rulerBpm / 60); + const rulerTotalBeats = Math.max(4, Math.ceil(dur * rulerBpm / 60) || 16); + const rulerOffset = (playing && rulerContentW > w && dur > 0) ? Math.max(0, Math.min(rulerContentW - w, t * (rulerPxPerBeat * rulerBpm / 60) - w / 2)) : 0; + for (let b = 0; b <= rulerTotalBeats; b += 4) { + const x = b * rulerPxPerBeat - rulerOffset; + if (x < -20 || x > w + 20) continue; ctx.fillText(String(Math.floor(b / 4)), x + 2, h - 3); } - // playhead - if (playing && dur > 0) { - const px = (t / dur) * w; - ctx.fillStyle = '#ef4444'; - ctx.fillRect(px, 0, 2, h - 14); - } }; React.useEffect(() => { drawCanvas(currentTime); }, [peaks, audioBuffer, midiNotes, selected, folder, isPlaying]); @@ -22095,9 +22255,9 @@ const App = () => { onUpdateTrack: updateTrackProp, trackVuRefs: trackVuRefs }); - }))), showMediaExplorer && /*#__PURE__*/React.createElement("div", { + }))), /*#__PURE__*/React.createElement("div", { className: "flex flex-col border-t border-zinc-700 bg-slate-900 shrink-0 select-none", - style: { height: mediaExplorerPanelHeight + 'px' } + style: { height: mediaExplorerPanelHeight + 'px', display: showMediaExplorer ? 'flex' : 'none' } }, /*#__PURE__*/React.createElement("div", { className: "flex items-center justify-between px-2 py-0.5 bg-zinc-800/80 shrink-0 cursor-ns-resize", onMouseDown: e => { diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js index 931a095..f3e3ec9 100644 --- a/app/static/js/app.precompiled.js +++ b/app/static/js/app.precompiled.js @@ -235,6 +235,11 @@ if(woChannelRef.current==='stereo'||woChannelRef.current==='right'){woCtx.stroke 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})=>{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[midiNotes,setMidiNotes]=React.useState(null);const[midiTotal,setMidiTotal]=React.useState(4);const[tempo,setTempo]=React.useState(function(){var saved=localStorage.getItem('studio_media_explorer_tempo');return saved?parseInt(saved):120;}());// 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 midiNotesRef=React.useRef(null);const midiTotalRef=React.useRef(4);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);selectedRef.current=selected;peaksRef.current=peaks;audioBufferRef.current=audioBuffer;midiNotesRef.current=midiNotes;midiTotalRef.current=midiTotal;isPlayingRef.current=isPlaying;isPausedRef.current=isPaused;folderRef.current=folder;tempoRef.current=tempo;currentTimeRef.current=currentTime;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[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[synthList,setSynthList]=React.useState(null);const[synthLoading,setSynthLoading]=React.useState(false);const synthListRef=React.useRef(null);synthListRef.current=synthList;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 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=()=>{if(!clientRoot||!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(clientRoot,'client_root');};}catch(e){}};const loadClientRootHandle=()=>{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('client_root');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]);const restoreSession=React.useCallback(()=>{try{const raw=localStorage.getItem(SESSION_KEY);if(!raw)return;const snap=JSON.parse(raw);if(snap.folder)setFolder(snap.folder);if(snap.computerMode)setComputerMode(snap.computerMode);if(snap.clientRootName)setClientRoot({name:snap.clientRootName});if(snap.computerRoots&&snap.computerRoots.length)setComputerRoots(snap.computerRoots);if(snap.computerPath)setComputerPath(snap.computerPath);if(snap.computerFiles)setComputerFiles(snap.computerFiles);if(snap.selected)setSelected(snap.selected);if(snap.computerTree){const tree={};Object.keys(snap.computerTree).forEach(path=>{tree[path]={dirs:snap.computerTree[path].dirs||[],expanded:snap.computerTree[path].expanded};});setComputerTree(tree);}}catch(e){}},[]);React.useEffect(()=>{(async()=>{await restoreSession();// Restore the FileSystemDirectoryHandle so client-mode browsing still works +const savedHandle=await loadClientRootHandle();if(savedHandle&&savedHandle.kind==='directory'){setClientRoot(savedHandle);const restoredPath=(()=>{try{return JSON.parse(localStorage.getItem(SESSION_KEY)||'{}').computerPath;}catch(e){return null;}})();if(restoredPath){setComputerRoots([{name:savedHandle.name,path:'root',is_dir:true,handle:savedHandle}]);// Re-browse current dir to re-attach real handles (metadata-only tree from localStorage) +const storedTree=(()=>{try{return JSON.parse(localStorage.getItem(SESSION_KEY)||'{}').computerTree;}catch(e){return null;}})();if(storedTree){const rebuilt={};Object.keys(storedTree).forEach(p=>{rebuilt[p]={dirs:storedTree[p].dirs||[],expanded:storedTree[p].expanded};});setComputerTree(rebuilt);}setComputerMode('client');// Rebuild handles for the current folder + ancestors by walking from root +browseComputerDir({name:savedHandle.name,path:'root',is_dir:true,handle:savedHandle});}}})();// eslint-disable-next-line react-hooks/exhaustive-deps },[]);const isMidiFile=f=>f&&(f.kind==='midi'||/\.(mid|midi)$/i.test(f.name||f.original_name||''));const fileDuration=f=>{if(!f)return 0;if(isMidiFile(f)){if(midiTotalRef.current&&midiNotesRef.current&&midiNotesRef.current.length)return midiTotalRef.current;return(f.lengthQn||16)*60/(f.bpm||tempoRef.current||120);}const sel=selectedRef.current;const matches=sel&&(f.path&&f.path===sel.path||!f.path&&(f.file_id||f.fileId)===(sel.file_id||sel.fileId));return f.duration||(audioBufferRef.current&&matches?audioBufferRef.current.duration:0)||0;};const folderFiles=React.useMemo(()=>{if(folder==='library')return MEDIA_LIBRARY_SAMPLES;if(folder==='computer'){const node=computerTree[computerPath]||{dirs:[]};return[...(node.dirs||[]),...computerFiles];}return userFiles.filter(f=>folder==='uploads'?(f.type||'Upload')==='Upload':(f.type||'Processed')==='Processed');},[folder,userFiles,computerFiles,computerTree,computerPath]);const visibleFiles=React.useMemo(()=>{const q=filterText.toLowerCase().trim();if(!q)return folderFiles;return folderFiles.filter(f=>(f.name||f.original_name||'').toLowerCase().includes(q));},[folderFiles,filterText]);const loadWaveform=async f=>{const token=selectTokenRef.current;if(f&&(f.handle||f.path)){try{const buf=await readLocalFileBuffer(f);if(selectTokenRef.current!==token)return;if(!buf){setPeaks(null);return;}const ctx=getAudioContext();const decoded=await ctx.decodeAudioData(buf);if(selectTokenRef.current!==token)return;setAudioBuffer(decoded);const data=decoded.getChannelData(0);const count=600;const step=Math.max(1,Math.floor(data.length/count));const pk=[];for(let i=0;im)m=v;}pk.push(m);}setPeaks(pk);}catch(e){if(selectTokenRef.current===token)setPeaks(null);}return;}const fid=f.file_id||f.fileId;if(!fid){setPeaks(null);return;}try{const resp=await fetch(`${API_BASE_URL}/api/v1/audio/waveform/${fid}?num_peaks=600`);const data=await resp.json();if(selectTokenRef.current!==token)return;setPeaks(data.peaks||[]);}catch(e){setPeaks(null);}};const openMyComputer=async()=>{setFolder('computer');if(window.showDirectoryPicker){try{const handle=await window.showDirectoryPicker({mode:'read'});setComputerMode('client');setClientRoot(handle);const rootEntry={name:handle.name,path:'root',is_dir:true,handle};setComputerRoots([rootEntry]);setComputerPath('root');setComputerFiles([]);setComputerTree({root:{handle,parent:null,dirs:[],expanded:true}});await browseComputerDir(rootEntry);return;}catch(e){if(e&&e.name==='AbortError')return;window.showToast&&window.showToast('Không thể mở thư mục: '+e.message,'error');return;}}// Fallback: server API (trình duyệt không hỗ trợ File System Access API) setComputerMode('server');if(computerRoots)return;setComputerRoots(null);try{const resp=await fetch(`${API_BASE_URL}/api/v1/media/computer`);if(!resp.ok)throw new Error('HTTP '+resp.status);const data=await resp.json();const roots=data.roots||[];setComputerRoots(roots.length?roots:[{path:'/',name:'Root (/)',is_dir:true}]);if(!roots.length)window.showToast&&window.showToast('Không tìm thấy ổ đĩa nào','warning');}catch(e){setComputerRoots([{path:'/',name:'Root (/)',is_dir:true}]);window.showToast&&window.showToast('Không thể truy cập My Computer: '+e.message,'error');}};const browseClientDir=async entry=>{const handle=entry&&entry.handle;if(!handle||!handle.entries)return;const dirs=[];const files=[];const parentPath=entry.path;try{for await(const[name,h]of handle.entries()){if(name.startsWith('.'))continue;if(h.kind==='directory'){dirs.push({name,path:parentPath+'/'+name,is_dir:true,handle:h});}else{const ext=(name.split('.').pop()||'').toLowerCase();const kind=ext==='mid'||ext==='midi'?'midi':['wav','mp3','ogg','flac','aiff','aif','m4a','aac','opus'].includes(ext)?'audio':'other';let size=0;try{const f=await h.getFile();size=f.size;}catch(e2){}files.push({name,path:parentPath+'/'+name,is_dir:false,size_mb:size?+(size/1048576).toFixed(2):0,ext:'.'+ext,kind,handle:h});}}dirs.sort((a,b)=>a.name.localeCompare(b.name));files.sort((a,b)=>a.name.localeCompare(b.name));setComputerPath(parentPath);setComputerFiles(files);setSelected(null);setCurrentTime(0);stopMediaPlayback();setComputerTree(prev=>({...prev,[parentPath]:{handle,parent:entry.parent||null,dirs,expanded:true}}));}catch(e){window.showToast&&window.showToast('Không thể đọc thư mục: '+e.message,'error');}};const browseComputerDir=async entry=>{if(!entry)return;if(computerMode==='client'||entry.handle){if(entry.handle&&entry.handle.entries){const parentInfo=computerTree[entry.path];await browseClientDir({...entry,parent:parentInfo?parentInfo.parent:null});return;}}const path=entry.path||entry;if(!path)return;try{const resp=await fetch(`${API_BASE_URL}/api/v1/media/browse?path=${encodeURIComponent(path)}`);if(!resp.ok)throw new Error('HTTP '+resp.status);const data=await resp.json();setComputerPath(data.path);setComputerFiles(data.files||[]);setSelected(null);setCurrentTime(0);stopMediaPlayback();setComputerTree(prev=>({...prev,[path]:{dirs:data.dirs||[],expanded:true}}));}catch(e){window.showToast&&window.showToast('Không thể mở thư mục: '+e.message,'error');}};const toggleComputerDir=async entry=>{if(!entry)return;const path=entry.path||entry;const node=computerTree[path];if(node&&node.expanded){setComputerTree(prev=>({...prev,[path]:{...prev[path],expanded:false}}));}else{await browseComputerDir(entry);}};const goComputerParent=()=>{if(!computerPath)return;if(computerMode==='client'||clientRoot){const node=computerTree[computerPath];const parentHandle=node&&node.parent;if(parentHandle){const parentEntry=computerRoots&&computerRoots[0]&&parentHandle===clientRoot?computerRoots[0]:{name:parentHandle.name,path:computerPath.split('/').slice(0,-1).join('/')||'root',is_dir:true,handle:parentHandle};browseComputerDir({...parentEntry,parent:parentHandle===clientRoot?null:computerTree[parentEntry.path]?computerTree[parentEntry.path].parent:null});}return;}const isUnix=computerPath.startsWith('/');const parts=computerPath.split(/[\\/]/).filter(Boolean);parts.pop();if(isUnix){browseComputerDir(parts.length?'/'+parts.join('/'):'/');}else{// Windows: quay về root ổ đĩa nếu đã lên tới đỉnh browseComputerDir(parts.length?parts.join('\\'):computerPath.split(/[\\/]/)[0]+'\\');}};const readLocalFileBuffer=async f=>{if(f&&f.handle&&typeof f.handle.getFile==='function'){const file=await f.handle.getFile();return await file.arrayBuffer();}const url=filePreviewUrl(f);if(!url)return null;const resp=await fetch(url);return await resp.arrayBuffer();};const filePreviewUrl=f=>{if(f&&f.path&&!(f.handle&&f.handle.getFile))return`${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;}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);setSynthOpen(false);localStorage.setItem('studio_media_explorer_synth',JSON.stringify(inst));};const playMidiPreview=async(f,token)=>{// Play real MIDI file through selected synth instrument (SonicSF) @@ -243,10 +248,11 @@ if(!f||!window.SonicSF)return;try{const buf=await readLocalFileBuffer(f);if(!buf if(selectTokenRef.current!==(token||selectTokenRef.current))return;const prog=synthInst&&synthInst.program!==undefined?synthInst.program:undefined;const eng=synthInst?{soundfont_id:sfId,soundfont_bank:bank,soundfont_program:prog!==undefined?prog:0}:undefined;midiResult.forEach(track=>{(track.notes||[]).forEach(note=>{const startSec=(note.start_beat||0)*secondsPerBeat;const durMs=Math.max(80,(note.duration_beats||1)*secondsPerBeat*1000);window.SonicSF.playNote(note.pitch||60,note.velocity||0.8,durMs,startWallTime+startSec,prog,null,0,eng);});});// Keep a fake clock so canvas playhead animates; loop uses playStateRef playStateRef.current={source:null,ctx,startedAt:startWallTime,fakeStart:startWallTime,midiTotal:midiResult[0].duration||4};setMidiNotes(midiResult[0].notes||[]);setMidiTotal(midiResult[0].duration||4);setIsPlaying(true);setIsPaused(false);startCanvasClock();}catch(e){console.error('MIDI preview failed',e);}};const stopMediaPlayback=React.useCallback(()=>{if(playStateRef.current){try{if(playStateRef.current.source)playStateRef.current.source.stop();}catch(e){}try{if(playStateRef.current.source)playStateRef.current.source.disconnect();}catch(e){}playStateRef.current=null;}if(rafRef.current)cancelAnimationFrame(rafRef.current);rafRef.current=null;if(window.SonicSF&&typeof window.SonicSF.stopAll==='function'){try{window.SonicSF.stopAll();}catch(e){}}setIsPlaying(false);setIsPaused(false);},[]);const playSelected=async(f,token)=>{if(!f)return;stopMediaPlayback();if(isMidiFile(f)){if(f.handle||f.path||f.file_id||f.fileId){// Real MIDI file: play through selected synth instrument await playMidiPreview(f,token);return;}playStateRef.current={source:null,ctx:null,fakeStart:performance.now()/1000};setIsPlaying(true);setIsPaused(false);startCanvasClock();return;}const fid=f.file_id||f.fileId;const buf=await readLocalFileBuffer(f);if(selectTokenRef.current!==(token||selectTokenRef.current))return;if(!buf)return;try{const ctx=getAudioContext();const decoded=await ctx.decodeAudioData(buf);if(selectTokenRef.current!==(token||selectTokenRef.current))return;setAudioBuffer(decoded);const src=ctx.createBufferSource();src.buffer=decoded;src.loop=isLooping;src.playbackRate.value=rate;const gain=ctx.createGain();const linear=volumeDb<=-50?0:Math.pow(10,volumeDb/20);gain.gain.value=linear;src.connect(gain);gain.connect(ctx.destination);src.start();const startedAt=ctx.currentTime;playStateRef.current={source:src,ctx,startedAt};setIsPlaying(true);setIsPaused(false);startCanvasClock();}catch(e){console.error('Preview failed',e);}};const togglePause=()=>{const st=playStateRef.current;if(!st)return;if(isPaused){if(st.ctx)st.ctx.resume();setIsPaused(false);}else{if(st.ctx)st.ctx.suspend();setIsPaused(true);}};const startCanvasClock=()=>{if(rafRef.current)cancelAnimationFrame(rafRef.current);const tick=()=>{rafRef.current=requestAnimationFrame(tick);let t=currentTimeRef.current;const st=playStateRef.current;if(st&&!isPausedRef.current){t=st.ctx?st.ctx.currentTime-st.startedAt:performance.now()/1000-st.fakeStart;}setCurrentTime(t);currentTimeRef.current=t;drawCanvas(t);};tick();};const drawCanvas=t=>{const canvas=canvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const w=canvas.clientWidth,h=canvas.clientHeight;if(!w||!h)return;canvas.width=w*2;canvas.height=h*2;ctx.scale(2,2);ctx.clearRect(0,0,w,h);ctx.fillStyle='#181818';ctx.fillRect(0,0,w,h);// Read from refs so the rAF clock's stale closure still draws the latest file -const f=selectedRef.current;const curPeaks=peaksRef.current;const curAudioBuffer=audioBufferRef.current;const curMidiNotes=midiNotesRef.current;const curMidiTotal=midiTotalRef.current;const curTempo=tempoRef.current;const playing=isPlayingRef.current;if(!f){ctx.fillStyle='#555';ctx.font='12px JetBrains Mono, monospace';ctx.fillText('No file selected',10,h/2);return;}const dur=fileDuration(f);if(isMidiFile(f)){ctx.strokeStyle='#333';for(let y=0;y{const x=n.start_beat/beats*w;const nw=Math.max(3,n.duration_beats/beats*w);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;i0?curPeaks:null;if(pk){const mid=h/2;ctx.fillStyle='#22c55e';for(let i=0;i0){const px=t/dur*w;ctx.fillStyle='#ef4444';ctx.fillRect(px,0,2,h-14);}};React.useEffect(()=>{drawCanvas(currentTime);},[peaks,audioBuffer,midiNotes,selected,folder,isPlaying]);React.useEffect(()=>()=>{if(rafRef.current)cancelAnimationFrame(rafRef.current);},[]);const handleSelect=f=>{if(!f||f.is_dir)return;selectTokenRef.current++;const token=selectTokenRef.current;setSelected(f);setCurrentTime(0);setPeaks(null);setAudioBuffer(null);setMidiNotes(null);stopMediaPlayback();if(f.kind==='other')return;if(autoPlay){playSelected(f,token);}if(!isMidiFile(f)&&(f.path||f.file_id||f.fileId))loadWaveform(f);};const renderComputerNode=(entry,depth,isRoot)=>{const nodePath=entry.path;const node=computerTree[nodePath];const expanded=node&&node.expanded;const dirs=node?node.dirs:[];const pad=12+depth*12;return/*#__PURE__*/React.createElement(React.Fragment,{key:nodePath},/*#__PURE__*/React.createElement("div",{className:`flex items-center gap-1 px-1 py-0.5 cursor-pointer rounded-sm ${computerPath===nodePath?'bg-slate-300 text-slate-900':'hover:bg-slate-200 text-slate-800'}`,style:{paddingLeft:pad},onClick:()=>browseComputerDir(entry),onDoubleClick:e=>{e.stopPropagation();toggleComputerDir(entry);}},/*#__PURE__*/React.createElement("i",{className:`fa-solid ${expanded?'fa-minus':'fa-plus'} text-[9px] text-slate-500 w-3 text-center 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