Issue 5193 - Apply Samsung Internet UI changes to the frist run slide

adblockplussbrowser/src/org/adblockplus/sbrowser/contentblocker/engine/Engine.java

Index: adblockplussbrowser/src/org/adblockplus/sbrowser/contentblocker/engine/Engine.java
===================================================================
--- a/adblockplussbrowser/src/org/adblockplus/sbrowser/contentblocker/engine/Engine.java
+++ b/adblockplussbrowser/src/org/adblockplus/sbrowser/contentblocker/engine/Engine.java
@@ -38,20 +38,23 @@
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.regex.Pattern;
 
 import org.adblockplus.adblockplussbrowser.R;
+import org.adblockplus.sbrowser.contentblocker.MainPreferences;
 
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.net.Uri;
 import android.os.Handler;
 import android.os.Looper;
 import android.preference.PreferenceManager;
 import android.text.TextUtils;
@@ -72,16 +75,17 @@
   public static final Pattern RE_FILTER_OPTIONS = Pattern
       .compile("\\$(~?[\\w\\-]+(?:=[^,\\s]+)?(?:,~?[\\w\\-]+(?:=[^,\\s]+)?)*)$");
   public static final Pattern RE_FILTER_CSSPROPERTY = Pattern
       .compile("\\[\\-abp\\-properties=([\"'])([^\"']+)\\1\\]");
 
   public static final String USER_FILTERS_TITLE = "__filters";
   public static final String USER_EXCEPTIONS_TITLE = "__exceptions";
 
+  public static final String SBROWSER_APP_ID = "com.sec.android.app.sbrowser";
   public static final String ACTION_OPEN_SETTINGS = "com.samsung.android.sbrowser.contentBlocker.ACTION_SETTING";
   public static final String ACTION_UPDATE = "com.samsung.android.sbrowser.contentBlocker.ACTION_UPDATE";
   public static final String EASYLIST_URL = "https://easylist-downloads.adblockplus.org/easylist.txt";
 
   public static final String SUBSCRIPTIONS_EXCEPTIONSURL = "subscriptions_exceptionsurl";
 
   public static final String CHARSET_UTF_8 = "UTF-8";
   private static final String PREFS_KEY_PREVIOUS_VERSION = "key_previous_version";
@@ -92,16 +96,19 @@
   private static final long UPDATE_CHECK_INTERVAL_MINUTES = 30;
   private static final long BROADCAST_COMBINATION_DELAY_MILLIS = 2500;
 
   public static final long MILLIS_PER_SECOND = 1000;
   public static final long MILLIS_PER_MINUTE = 60 * MILLIS_PER_SECOND;
   public static final long MILLIS_PER_HOUR = 60 * MILLIS_PER_MINUTE;
   public static final long MILLIS_PER_DAY = 24 * MILLIS_PER_HOUR;
 
+  private static final int NO_FLAG = 0;
+  private static final int OLDEST_SAMSUNG_INTERNET_5_VERSIONCODE = 500000000;
+
   private final ReentrantLock accessLock = new ReentrantLock();
   private DefaultSubscriptions defaultSubscriptions;
   private Subscriptions subscriptions;
   private JSONPrefs jsonPrefs;
   private AppInfo appInfo;
   private LinkedBlockingQueue<EngineEvent> engineEvents = new LinkedBlockingQueue<EngineEvent>();
   private Thread handlerThread;
   private Downloader downloader;
@@ -154,16 +161,39 @@
           .queryIntentActivities(new Intent(ACTION_OPEN_SETTINGS), 0).size() > 0;
     }
     catch (final Throwable t)
     {
       return false;
     }
   }
 
+  /**
+   * Starting with Samsung Internet 5.0, the way to enable ad blocking has changed. As a result, we
+   * need to check for the version of Samsung Internet and apply text changes to the first run slide.
+   *
+   * @param activityContext
+   * @return a boolean that indicates, if the user has Samsung Internet version 5.x
+   */
+  public static boolean hasSamsungInternetVersion5OrNewer(final Context activityContext)
+  {
+    try
+    {
+      PackageInfo packageInfo = activityContext.getPackageManager().getPackageInfo(SBROWSER_APP_ID, NO_FLAG);
+      return packageInfo.versionCode >= OLDEST_SAMSUNG_INTERNET_5_VERSIONCODE;
+    }
+    catch (PackageManager.NameNotFoundException e)
+    {
+      // Should never happen, as checkAAStatusAndProceed() should not be called if the user
+      // has no compatible SBrowser installed. Nevertheless we have to handle the Exception.
+      Log.d(TAG, "No compatible Samsung Browser found.", e);
+      return false;
+    }
+  }
+
   public void requestUpdateBroadcast()
   {
     this.lock();
     try
     {
       this.nextUpdateBroadcast = System.currentTimeMillis() + BROADCAST_COMBINATION_DELAY_MILLIS;
     }
     finally