From 1d5fc6e1308bfcfa6f35e38ff17f62cb3b56a513 Mon Sep 17 00:00:00 2001
From: Shubang <shubang@google.com>
Date: Tue, 20 Mar 2018 18:36:17 -0700
Subject: Remove preview channels and preview programs when disabled

Bug: 69059948
Test: make TvProvider -j30; adb push to priv-app; adb install;
and tested with local device.
Change-Id: Ie16835582f2e1d57230b7b3af77a850dd22e3008
---
 .../providers/tv/PackageChangedReceiver.java       | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 src/com/android/providers/tv/PackageChangedReceiver.java

(limited to 'src/com/android')

diff --git a/src/com/android/providers/tv/PackageChangedReceiver.java b/src/com/android/providers/tv/PackageChangedReceiver.java
new file mode 100644
index 0000000..c5348ad
--- /dev/null
+++ b/src/com/android/providers/tv/PackageChangedReceiver.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2018 The Android Open Source 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.providers.tv;
+
+import android.content.BroadcastReceiver;
+import android.content.ContentProviderOperation;
+import android.content.ContentProviderResult;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.OperationApplicationException;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.media.tv.TvContract;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+/**
+ * This will be launched when PACKAGE_CHANGED intent is broadcast.
+ */
+public class PackageChangedReceiver extends BroadcastReceiver {
+    private static final boolean DEBUG = true;
+    private static final String TAG = "PackageChangedReceiver";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (Intent.ACTION_PACKAGE_CHANGED.equals(intent.getAction()) && intent.getData() != null) {
+            String packageName = intent.getData().getSchemeSpecificPart();
+            PackageManager pm = context.getPackageManager();
+            try {
+                ApplicationInfo appInfo = pm.getApplicationInfo(packageName, 0);
+                if (appInfo.enabled) {
+                    return;
+                }
+            } catch (PackageManager.NameNotFoundException e) {
+                Log.e(TAG, "Error: package " + packageName + " not found", e);
+                return;
+            }
+            ArrayList<ContentProviderOperation> operations = new ArrayList<>();
+            int uid = intent.getIntExtra(Intent.EXTRA_UID, 0);
+
+            String ProgramsSelection = TvContract.BaseTvColumns.COLUMN_PACKAGE_NAME + "=?";
+            String[] ProgramsSelectionArgs = {packageName};
+            operations.add(ContentProviderOperation
+                    .newDelete(TvContract.WatchNextPrograms.CONTENT_URI)
+                    .withSelection(ProgramsSelection, ProgramsSelectionArgs).build());
+            operations.add(ContentProviderOperation
+                    .newDelete(TvContract.PreviewPrograms.CONTENT_URI)
+                    .withSelection(ProgramsSelection, ProgramsSelectionArgs).build());
+
+
+            String ChannelsSelection = TvContract.BaseTvColumns.COLUMN_PACKAGE_NAME + "=? AND "
+                    + TvContract.Channels.COLUMN_TYPE + "=?";
+            String[] ChannelsSelectionArgs = {packageName, TvContract.Channels.TYPE_PREVIEW};
+            operations.add(ContentProviderOperation
+                    .newDelete(TvContract.Channels.CONTENT_URI)
+                    .withSelection(ChannelsSelection, ChannelsSelectionArgs).build());
+
+            ContentProviderResult[] results = null;
+            try {
+                ContentResolver cr = context.getContentResolver();
+                results = cr.applyBatch(TvContract.AUTHORITY, operations);
+            } catch (RemoteException | OperationApplicationException e) {
+                Log.e(TAG, "error in applyBatch", e);
+            }
+
+            if (DEBUG) {
+                Log.d(TAG, "onPackageFullyChanged(packageName=" + packageName + ", uid=" + uid
+                        + ")");
+                Log.d(TAG, "results=" + Arrays.toString(results));
+            }
+        }
+    }
+}
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