Create a minimal settings UI

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

Index: mobile/android/thirdparty/org/adblockplus/browser/AbpCheckBoxPreference.java
diff --git a/mobile/android/thirdparty/org/adblockplus/browser/AbpCheckBoxPreference.java b/mobile/android/thirdparty/org/adblockplus/browser/AbpCheckBoxPreference.java
new file mode 100644
index 0000000000000000000000000000000000000000..b8551eb19c52d520e8ab2207d0782c0fd37f818c
--- /dev/null
+++ b/mobile/android/thirdparty/org/adblockplus/browser/AbpCheckBoxPreference.java
@@ -0,0 +1,93 @@
+/*
+ * 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 org.mozilla.gecko.preferences.CustomCheckBoxPreference;
+import org.mozilla.gecko.util.NativeJSObject;
+import org.mozilla.gecko.util.ThreadUtils;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+public class AbpCheckBoxPreference extends CustomCheckBoxPreference implements
+    AdblockPlusApiCallback
+{
+  private String apiKey = "";
+
+  public AbpCheckBoxPreference(Context context)
+  {
+    super(context);
+  }
+
+  public AbpCheckBoxPreference(Context context, AttributeSet attrs)
+  {
+    super(context, attrs);
+  }
+
+  public AbpCheckBoxPreference(Context context, AttributeSet attrs, int defStyle)
+  {
+    super(context, attrs, defStyle);
+  }
+
+  @Override
+  protected void onAttachedToActivity()
+  {
+    super.onAttachedToActivity();
+    this.apiKey = this.getKey().substring(this.getKey().lastIndexOf(".api") + 4);
+    this.setEnabled(false);
+    this.refreshValue();
+  }
+
+  private void refreshValue()
+  {
+    AddOnBridge.queryBoolean(this, this.apiKey);
+  }
+
+  @Override
+  protected void onClick()
+  {
+    super.onClick();
+    AddOnBridge.setBoolean(this, this.apiKey, this.isChecked());
+    this.refreshValue();
+  }
+
+  @Override
+  public void onApiRequestSucceeded(NativeJSObject jsObject)
+  {
+    if (jsObject.has("value"))
+    {
+      final boolean enabled = AddOnBridge.getBooleanFromJsObject(jsObject, "value", false);
+
+      ThreadUtils.postToUiThread(new Runnable()
+      {
+        @Override
+        public void run()
+        {
+          AbpCheckBoxPreference.this.setChecked(enabled);
+          AbpCheckBoxPreference.this.setEnabled(true);
+        }
+      });
+    }
+  }
+
+  @Override
+  public void onApiRequestFailed(String errorMessage)
+  {
+    // Currently ignored
+  }
+}