initial commit

src/window-trackers/x11-tracker.ts

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+/*
+  SubMiner - All-in-one sentence mining overlay
+  Copyright (C) 2024 sudacode
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { execSync } from "child_process";
+import { BaseWindowTracker } from "./base-tracker";
+
+export class X11WindowTracker extends BaseWindowTracker {
+  private pollInterval: ReturnType<typeof setInterval> | null = null;
+
+  start(): void {
+    this.pollInterval = setInterval(() => this.pollGeometry(), 250);
+    this.pollGeometry();
+  }
+
+  stop(): void {
+    if (this.pollInterval) {
+      clearInterval(this.pollInterval);
+      this.pollInterval = null;
+    }
+  }
+
+  private pollGeometry(): void {
+    try {
+      const windowIds = execSync("xdotool search --class mpv", {
+        encoding: "utf-8",
+      }).trim();
+
+      if (!windowIds) {
+        this.updateGeometry(null);
+        return;
+      }
+
+      const windowId = windowIds.split("\n")[0];
+
+      const winInfo = execSync(`xwininfo -id ${windowId}`, {
+        encoding: "utf-8",
+      });
+
+      const xMatch = winInfo.match(/Absolute upper-left X:\s*(\d+)/);
+      const yMatch = winInfo.match(/Absolute upper-left Y:\s*(\d+)/);
+      const widthMatch = winInfo.match(/Width:\s*(\d+)/);
+      const heightMatch = winInfo.match(/Height:\s*(\d+)/);
+
+      if (xMatch && yMatch && widthMatch && heightMatch) {
+        this.updateGeometry({
+          x: parseInt(xMatch[1], 10),
+          y: parseInt(yMatch[1], 10),
+          width: parseInt(widthMatch[1], 10),
+          height: parseInt(heightMatch[1], 10),
+        });
+      } else {
+        this.updateGeometry(null);
+      }
+    } catch (err) {
+      this.updateGeometry(null);
+    }
+  }
+}