Issue 2720 - [Adblocking settings] Add the other filter lists category

mobile/android/thirdparty/org/adblockplus/browser/UrlInputOpenerPreference.java

+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2015 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.adblockplus.browser;
+
+import java.lang.ref.WeakReference;
+
+import android.content.Context;
+import android.preference.Preference;
+import android.util.AttributeSet;
+
+public class UrlInputOpenerPreference extends Preference implements UrlInputDialog.UrlReadyCallback
+{
+  private static WeakReference<UrlInputDialog.UrlReadyCallback> redirectUrlReadyCallback = null;
+
+  public UrlInputOpenerPreference(Context context)
+  {
+    super(context);
+  }
+
+  public UrlInputOpenerPreference(Context context, AttributeSet attrs)
+  {
+    super(context, attrs);
+  }
+
+  public UrlInputOpenerPreference(Context context, AttributeSet attrs, int defStyleAttr)
+  {
+    super(context, attrs, defStyleAttr);
+  }
+
+  protected static synchronized void setRedirectUrlReadyCallback(
+      final UrlInputDialog.UrlReadyCallback callback)
+  {
+    redirectUrlReadyCallback = new WeakReference<UrlInputDialog.UrlReadyCallback>(callback);
+  }
+
+  @Override
+  protected void onAttachedToActivity()
+  {
+    this.setPersistent(false);
+  }
+
+  @Override
+  protected void onClick()
+  {
+    new UrlInputDialog(this.getContext(), UrlInputDialog.Type.ADD_SUBSCRIPTION, this).show();
+  }
+
+  @Override
+  public void callback(String url)
+  {
+    try
+    {
+      if (redirectUrlReadyCallback != null)
+      {
+        final UrlInputDialog.UrlReadyCallback callback = redirectUrlReadyCallback.get();
+        if (callback != null)
+        {
+          callback.callback(url);
+        }
+      }
+    }
+    catch (Throwable t)
+    {
+      // we do not care
+    }
+  }
+}