Greg Pomerantz
bd27a7ccc1
Root cause of 'adds/removes not showing up': the watcher's file-COUNT tree signature took 8-10 s per tick on the phone (FUSE readdir of the 8400-file Camera dir is ~1 ms/entry), so the 1 s poll was effectively a 10 s walk, and the old 30 s forced FULL rescan (walk+stat of every file, ~30 s) kept the watcher thread perpetually busy. New design: - 1 s tick stats DIRECTORY mtimes only (~1 ms). Verified on the phone: Android's FUSE DOES update dir mtime on file add/remove (stat before/after a copy showed it) — the earlier 'never fires' reading was wrong; no files had actually been added in that trace window. - On a changed dir: incremental rescan of ONLY that subtree. Small dirs (<=2000 files) get a full walk with stat (adds, deletes AND in-place edits). The huge Camera dir gets a readdir-only walk: new files are stat'd, known files keep their DB mtime/size, deletions are detected by set difference. Everything outside the changed subtree keeps its DB metadata — cost is proportional to the change. - Full rescan every 5 min as the safety net (in-place edits in the huge dir, anything missed). - DB: busy_timeout(10s) so the startup scan and watcher can transact concurrently (WAL). Measured on the phone: add to Pictures -> grid +1 in ~5 s; add to Camera -> +1 in ~12 s; removals picked up on the next tick. Also observed tracking a live 1700-photo user import (grid 8440 -> 10166 as the import progressed). JS: event payload normalizer for thumb-ready/full-ready (object vs JSON string across WebView builds), and js files/emit instrumentation to compare send vs receive counts. |
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| docs/BUGS | ||
| harnesses | ||
| scripts | ||
| shim/out | ||
| src | ||
| tools | ||
| .gitignore | ||
| Cargo.lock | ||
| Cargo.toml | ||
| HANDOFF.md | ||
| LICENSE | ||
| README.md | ||
gallery
A high-performance image gallery for Android (primary), Linux and macOS —
Rust + egui 0.31 (egui_glow / winit 0.30 / glow 0.16).
Ported from Slint 1.18 after the zero-jank campaign showed Slint-on-Mali
janky at its base level while egui measured 3–7× cleaner (HANDOFF.md
§8.11–8.12). The Slint tree is preserved in git history and
docs/BUGS/.
Status: M0–M4 ported to egui, zero-jank tuning in progress. See HANDOFF.md — the development hand-off: architecture, thumbnail pipeline, milestones M1–M7, the Slint jank campaign, the egui port, and the sltest/egtest/tttest harnesses (A/B/C: Slint/egui/WebView).
Build
./scripts/build.sh debug # debug x86_64 APK + install on emulator
./scripts/build.sh # release x86_64 (emulator)
./scripts/build.sh aarch64 # release aarch64 (device)
cargo run # desktop (Linux needs libfontconfig1 + pkg-config)
Requires: Rust (rustup), cargo-apk2, Android SDK + NDK 27 (see HANDOFF.md §3
for exact paths/env).
License
GPL-3.0 (see LICENSE). Built on egui (MIT/Apache-2.0).