The Tor Browser: mobile/android/base/home/PanelViewItemHandler.java@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 package org.mozilla.gecko.home;

     8 import org.mozilla.gecko.db.BrowserContract.HomeItems;

     9 import org.mozilla.gecko.home.HomeConfig.ViewConfig;

    10 import org.mozilla.gecko.home.HomePager.OnUrlOpenListener;

    11 import org.mozilla.gecko.home.PanelLayout.FilterManager;

    12 import org.mozilla.gecko.home.PanelLayout.OnItemOpenListener;

    14 import android.database.Cursor;

    16 import java.util.EnumSet;

    18 class PanelViewItemHandler {

    19     private final ViewConfig mViewConfig;

    20     private OnItemOpenListener mItemOpenListener;

    21     private FilterManager mFilterManager;

    23     public PanelViewItemHandler(ViewConfig viewConfig) {

    24         mViewConfig = viewConfig;

    25     }

    27     public void setOnItemOpenListener(OnItemOpenListener listener) {

    28         mItemOpenListener = listener;

    29     }

    31     public void setFilterManager(FilterManager manager) {

    32         mFilterManager = manager;

    33     }

    35     /**

    36      * If item at this position is a back item, perform the go back action via the

    37      * {@code FilterManager}. Otherwise, prepare the url to be opened by the

    38      * {@code OnUrlOpenListener}.

    39      */

    40     public void openItemAtPosition(Cursor cursor, int position) {

    41         if (mFilterManager != null && mFilterManager.canGoBack()) {

    42             if (position == 0) {

    43                 mFilterManager.goBack();

    44                 return;

    45             }

    47             position--;

    48         }

    50         if (cursor == null || !cursor.moveToPosition(position)) {

    51             throw new IllegalStateException("Couldn't move cursor to position " + position);

    52         }

    54         int urlIndex = cursor.getColumnIndexOrThrow(HomeItems.URL);

    55         final String url = cursor.getString(urlIndex);

    57         int titleIndex = cursor.getColumnIndexOrThrow(HomeItems.TITLE);

    58         final String title = cursor.getString(titleIndex);

    60         if (mItemOpenListener != null) {

    61             mItemOpenListener.onItemOpen(url, title);

    62         }

    63     }

    64 }

The Tor Browser / file revision