Issue 2801 - Create 'Whitelisted websites' screen and add link to 'Ad blocking' screen

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

Index: mobile/android/thirdparty/org/adblockplus/browser/WhitelistedWebsitesPreferenceGroup.java
===================================================================
new file mode 100644
--- /dev/null
+++ b/mobile/android/thirdparty/org/adblockplus/browser/WhitelistedWebsitesPreferenceGroup.java
@@ -0,0 +1,246 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-present 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 android.app.AlertDialog;
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.preference.DialogPreference;
+import android.preference.PreferenceGroup;
+import android.text.Html;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+
+import org.mozilla.gecko.R;
+import org.mozilla.gecko.Tab;
+import org.mozilla.gecko.Tabs;
+import org.mozilla.gecko.util.NativeJSObject;
+import org.mozilla.gecko.util.ThreadUtils;
+
+import java.util.Set;
+import java.util.TreeSet;
+
+public class WhitelistedWebsitesPreferenceGroup extends PreferenceGroup implements
+    AdblockPlusApiCallback, InputValidatorDialogPreference.OnInputReadyListener
+{
+
+  private static final String TAG = WhitelistedWebsitesPreferenceGroup.class.getSimpleName();
+
+  private final Set<String> whitelistedWebsites = new TreeSet<>();
+  private ProgressDialog progressDialog;
+  private final WhitelistCallback whitelistCallback = new WhitelistCallback();
+
+  public WhitelistedWebsitesPreferenceGroup(Context context, AttributeSet attrs)
+  {
+    super(context, attrs);
+    this.init();
+  }
+
+  public WhitelistedWebsitesPreferenceGroup(Context context, AttributeSet attrs, int defStyleAttr)
+  {
+    super(context, attrs, defStyleAttr);
+    this.init();
+  }
+
+  private void init()
+  {
+    this.setLayoutResource(R.layout.abb_minimal_widget);
+  }
+
+  @Override
+  protected void onAttachedToActivity()
+  {
+    super.onAttachedToActivity();
+    this.showDialog();
+    AddOnBridge.queryWhitelistedWebsites(this);
+  }
+
+  @Override
+  public void onApiRequestSucceeded(NativeJSObject jsObject)
+  {
+    this.dismissDialog();
+    this.initEntries(jsObject);
+  }
+
+  @Override
+  public void onApiRequestFailed(String errorMessage)
+  {
+    Log.w(TAG, "queryWhitelistedWebsites failed: " + errorMessage);
+    this.dismissDialog();
+  }
+
+  @Override
+  public void onInputReady(String input)
+  {
+    this.whitelistedWebsites.add(UrlUtils.getHostFromUrl(input));
+    AddOnBridge.whitelistWebsite(this.whitelistCallback, input, true);
+    this.refreshEntries();
+  }
+
+  private void initEntries(NativeJSObject jsObject)
+  {
+    this.whitelistedWebsites.clear();
+
+    final NativeJSObject[] whitelistedWebsites = jsObject.getObjectArray("value");
+    for (int i = 0; i < whitelistedWebsites.length; i++)
+    {
+      final String url = whitelistedWebsites[i].getString("url");
+      this.whitelistedWebsites.add(url);
+    }
+
+    this.refreshEntries();
+  }
+
+  private void refreshEntries()
+  {
+    this.removeAll();
+    for (final String url : this.whitelistedWebsites)
+    {
+      final WhitelistedWebsitePreference whitelistedWebsitePreference =
+          new WhitelistedWebsitePreference(this.getContext(), url, new DialogInterface.OnClickListener()
+          {
+            @Override
+            public void onClick(DialogInterface dialog, int which)
+            {
+              AddOnBridge.whitelistWebsite(WhitelistedWebsitesPreferenceGroup.this.whitelistCallback, url, false);
+              WhitelistedWebsitesPreferenceGroup.this.whitelistedWebsites.remove(url);
+              WhitelistedWebsitesPreferenceGroup.this.refreshEntries();
+            }
+          });
+      this.addPreference(whitelistedWebsitePreference);
+    }
+
+    final InputValidatorDialogPreference inputPreference = new InputValidatorDialogPreference(
+        this.getContext());
+    inputPreference.setValidationType(InputValidatorDialogPreference.ValidationType.DOMAIN);
+    inputPreference.setTitle(R.string.abb_whitelisted_websites_add_button);
+    inputPreference.setDialogTitle(R.string.abb_whitelist_website_dialog_title);
+    inputPreference.setDialogMessage(R.string.abb_whitelist_website_dialog_message);
+    inputPreference.getEditText().setHint(R.string.abb_whitelist_website_dialog_hint);
+    inputPreference.setOnInputReadyListener(this);
+    this.addPreference(inputPreference);
+  }
+
+  private void showDialog()
+  {
+    this.dismissDialog();
+    this.progressDialog = new ProgressDialog(getContext());
+    this.progressDialog.setMessage(this.getContext().getString(R.string.abb_whitelisted_websites_loading));
+    this.progressDialog.show();
+  }
+
+  private void dismissDialog()
+  {
+    if (this.progressDialog != null && this.progressDialog.isShowing())
+    {
+      this.progressDialog.dismiss();
+      this.progressDialog = null;
+    }
+  }
+
+  private static class WhitelistedWebsitePreference extends DialogPreference
+  {
+    private final DialogInterface.OnClickListener onDeleteClickListener;
+
+    WhitelistedWebsitePreference(Context context, String url,
+        DialogInterface.OnClickListener onDeleteClickListener)
+    {
+      super(context, null);
+      this.onDeleteClickListener = onDeleteClickListener;
+      final String message = context.getString(R.string.abb_whitelist_remove_dialog_message, url);
+      this.setWidgetLayoutResource(R.layout.abb_whitelisted_website_delete_widget);
+      this.setTitle(url);
+      this.setDialogTitle(R.string.abb_whitelist_remove_dialog_title);
+      this.setDialogMessage(Html.fromHtml(message));
+      this.setNegativeButtonText(android.R.string.cancel);
+    }
+
+    @Override
+    protected void onBindView(View view)
+    {
+      super.onBindView(view);
+      final View deleteButton = view.findViewById(R.id.abb_whitelisted_website_delete_button);
+      deleteButton.setOnClickListener(new View.OnClickListener()
+      {
+        @Override
+        public void onClick(View v)
+        {
+          if (WhitelistedWebsitePreference.this.getDialog() == null
+              || !WhitelistedWebsitePreference.this.getDialog().isShowing())
+          {
+            WhitelistedWebsitePreference.this.showDialog(null);
+          }
+        }
+      });
+    }
+
+    @Override
+    protected void onClick()
+    {
+      // Overriding the default behaviour of showing a dialog here
+      // We just want to show a dialog when the delete button is clicked
+    }
+
+    @Override
+    protected void onPrepareDialogBuilder(AlertDialog.Builder builder)
+    {
+      builder.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener()
+      {
+        @Override
+        public void onClick(DialogInterface dialog, int which)
+        {
+          if (WhitelistedWebsitePreference.this.onDeleteClickListener != null)
+          {
+            WhitelistedWebsitePreference.this.onDeleteClickListener.onClick(dialog, which);
+          }
+        }
+      });
+    }
+  }
+
+  private static class WhitelistCallback implements AdblockPlusApiCallback
+  {
+
+    private final Runnable reloadTabsRunnable = new Runnable()
+    {
+      @Override
+      public void run()
+      {
+        final Tab selectedTab = Tabs.getInstance().getSelectedTab();
+        if (selectedTab != null)
+        {
+          selectedTab.doReload(false);
+        }
+      }
+    };
+
+    @Override
+    public void onApiRequestSucceeded(NativeJSObject jsObject)
+    {
+      ThreadUtils.postToUiThread(this.reloadTabsRunnable);
+    }
+
+    @Override
+    public void onApiRequestFailed(String errorMessage)
+    {
+      Log.w(TAG, "whitelistWebsite failed: " + errorMessage);
+    }
+  }
+}