const { execAsync, subprocess } = Utils; class Clipboard extends Service { static { Service.register(this, { 'clip-added': ['jsobject'], 'history-searched': [], }, { clips: ['jsobject'], }); } private static _MAX_CLIPS = 100; // Class Attributes private _clips_left = 0; private _clips = new Map(); get clips() { return this._clips; } constructor() { super(); this._getHistory(); this._watchClipboard(); } // Public Class Methods public copyOldItem(key: string | number): void { execAsync([ 'bash', '-c', `cliphist list | grep '^${key}' | cliphist decode | wl-copy`, ]); } // Private Class Methods private _decrementClipsLeft() { if (--this._clips_left === 0) { this.emit('history-searched'); // FIXME: this is necessary when not putting a cap on clip amount // exec(`prlimit --pid ${exec('pgrep ags')} --nofile=1024:`); } } private async _decodeItem(index: string): Promise { try { const decodedItem = await execAsync([ 'bash', '-c', `cliphist list | grep -a ${index} | cliphist decode`, ]); this._decrementClipsLeft(); return decodedItem; } catch (error) { console.error(error); this._decrementClipsLeft(); return null; } } private _addClip(newClip: [number, { clip: string, isImage: boolean }]) { if ( ![...this.clips.values()] .map((c) => c.clip) .includes(newClip[1].clip) ) { this._clips.set(...newClip); this.emit('clip-added', newClip); } else { const oldClip = [...this.clips.entries()] .find(([_, { clip }]) => clip === newClip[1].clip); if (oldClip && oldClip[0] < newClip[0]) { this.clips.delete(oldClip[0]); this._clips.set(...newClip); this.emit('clip-added', newClip); } } } private _getHistory(n = Clipboard._MAX_CLIPS) { // FIXME: this is necessary when not putting a cap on clip amount // exec(`prlimit --pid ${exec('pgrep ags')} --nofile=10024:`); // This command comes from '../../clipboard/script.sh' execAsync('clipboard-manager').then((out) => { const rawClips = out.split('\n'); this._clips_left = Math.min(rawClips.length - 1, n); rawClips.forEach(async(clip, i) => { if (i > n) { return; } if (clip.includes('img')) { this._decrementClipsLeft(); const newClip: [number, { clip: string, isImage: boolean }] = [ parseInt((clip.match('[0-9]+') ?? [''])[0]), { clip, isImage: true, }, ]; this._addClip(newClip); } else { const decodedClip = await this._decodeItem(clip); if (decodedClip) { const newClip: [number, { clip: string, isImage: boolean }] = [ parseInt(clip), { clip: decodedClip, isImage: false, }, ]; this._addClip(newClip); } } }); }).catch((error) => console.error(error)); } private _watchClipboard() { subprocess( ['wl-paste', '--watch', 'echo'], () => { this._getHistory(1); }, () => { /**/ }, ); } } const clipboard = new Clipboard(); export default clipboard;