GLEGram 12.5 — Initial public release

Based on Swiftgram 12.5 (Telegram iOS 12.5).
All GLEGram features ported and organized in GLEGram/ folder.

Features: Ghost Mode, Saved Deleted Messages, Content Protection Bypass,
Font Replacement, Fake Profile, Chat Export, Plugin System, and more.

See CHANGELOG_12.5.md for full details.

submodules/TelegramUniversalVideoContent/PlayerSource/src/TextTrackStub.js

@@ -0,0 +1,85 @@
+
+export class TextTrackStub extends EventTarget {
+    constructor(kind = '', label = '', language = '') {
+        super();
+        this.kind = kind;
+        this.label = label;
+        this.language = language;
+        this.mode = 'disabled'; // 'disabled', 'hidden', or 'showing'
+        this.cues = new TextTrackCueListStub();
+        this.activeCues = new TextTrackCueListStub();
+    }
+
+    addCue(cue) {
+        this.cues._add(cue);
+    }
+
+    removeCue(cue) {
+        this.cues._remove(cue);
+    }
+}
+
+export class TextTrackCueListStub {
+    constructor() {
+        this._cues = [];
+    }
+
+    get length() {
+        return this._cues.length;
+    }
+
+    item(index) {
+        return this._cues[index];
+    }
+
+    getCueById(id) {
+        return this._cues.find(cue => cue.id === id) || null;
+    }
+
+    _add(cue) {
+        this._cues.push(cue);
+    }
+
+    _remove(cue) {
+        const index = this._cues.indexOf(cue);
+        if (index !== -1) {
+        this._cues.splice(index, 1);
+        }
+    }
+
+    [Symbol.iterator]() {
+        return this._cues[Symbol.iterator]();
+    }
+}
+
+export class TextTrackListStub extends EventTarget {
+    constructor() {
+        super();
+        this._tracks = [];
+    }
+
+    get length() {
+        return this._tracks.length;
+    }
+
+    item(index) {
+        return this._tracks[index];
+    }
+
+    _add(track) {
+        this._tracks.push(track);
+        this.dispatchEvent(new Event('addtrack'));
+    }
+
+    _remove(track) {
+        const index = this._tracks.indexOf(track);
+        if (index !== -1) {
+        this._tracks.splice(index, 1);
+        this.dispatchEvent(new Event('removetrack'));
+        }
+    }
+
+    [Symbol.iterator]() {
+        return this._tracks[Symbol.iterator]();
+    }
+}