services: Adding wm package handler

Change-Id: I1966cfcf99a563a3b603681bf1c9d5c62f69720c
Signed-off-by: Ghosuto <clash.raja10@gmail.com>

services/core/java/com/android/server/wm/PackageHandler.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2025 AxionOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.server.wm;
+
+import android.content.*;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Looper;
+import android.os.UserHandle;
+import android.widget.Toast;
+
+import com.android.server.UiThread;
+
+class PackageHandler {
+    private final Context mContext;
+    private final PackageManager mPackageManager;
+    private final GameListManager mGameListManager;
+    private final Handler mHandler;
+
+    PackageHandler(Context context, GameListManager manager) {
+        this.mContext = context;
+        this.mPackageManager = context.getPackageManager();
+        this.mGameListManager = manager;
+        HandlerThread handlerThread = new HandlerThread("PackageHandler");
+        handlerThread.start();
+        mHandler = new Handler(handlerThread.getLooper());
+    }
+
+    void registerPackageReceiver() {
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(Intent.ACTION_PACKAGE_ADDED);
+        filter.addAction(Intent.ACTION_PACKAGE_FULLY_REMOVED);
+        filter.addDataScheme("package");
+
+        mContext.registerReceiver(new BroadcastReceiver() {
+            @Override
+            public void onReceive(Context context, Intent intent) {
+                final String pkg = intent.getData() != null ? intent.getData().getSchemeSpecificPart() : null;
+                if (pkg == null) return;
+                mHandler.post(() -> {
+                    if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction())) {
+                        boolean isGame = isGame(pkg);
+                        if (isGame) {
+                            String label = getAppLabel(pkg);
+                            UiThread.getHandler().post(() -> {
+                                mGameListManager.addGame(pkg);
+                                showGameAddedNotification(label);
+                            });
+                        }
+                    } else if (Intent.ACTION_PACKAGE_FULLY_REMOVED.equals(intent.getAction())) {
+                        UiThread.getHandler().post(() -> {
+                            mGameListManager.removeGame(pkg);
+                        });
+                    }
+                });
+            }
+        }, filter);
+    }
+
+    private boolean isGame(String pkg) {
+        try {
+            ApplicationInfo info = mPackageManager.getApplicationInfo(
+                pkg,
+                PackageManager.ApplicationInfoFlags.of(PackageManager.GET_META_DATA)
+            );
+            return info.category == ApplicationInfo.CATEGORY_GAME;
+        } catch (PackageManager.NameNotFoundException e) {
+            return false;
+        }
+    }
+
+    private String getAppLabel(String pkg) {
+        try {
+            return mPackageManager
+                .getApplicationLabel(
+                    mPackageManager.getApplicationInfo(pkg, PackageManager.ApplicationInfoFlags.of(0))
+                )
+                .toString();
+        } catch (PackageManager.NameNotFoundException e) {
+            return pkg;
+        }
+    }
+
+    private void showGameAddedNotification(String appLabel) {
+        String msg = "Added " + appLabel + " to GameSpace";
+        Toast.makeText(mContext, msg, Toast.LENGTH_LONG).show();
+    }
+}