The Tor Browser: mobile/android/base/toolbar/ToolbarTitlePrefs.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.toolbar;

     8 import org.mozilla.gecko.PrefsHelper;

     9 import org.mozilla.gecko.Tab;

    10 import org.mozilla.gecko.Tabs;

    11 import org.mozilla.gecko.util.ThreadUtils;

    13 class ToolbarTitlePrefs {

    14     static final String PREF_TITLEBAR_MODE = "browser.chrome.titlebarMode";

    15     static final String PREF_TRIM_URLS = "browser.urlbar.trimURLs";

    17     interface OnChangeListener {

    18         public void onChange();

    19     }

    21     final String[] prefs = {

    22         PREF_TITLEBAR_MODE,

    23         PREF_TRIM_URLS

    24     };

    26     private boolean mShowUrl;

    27     private boolean mTrimUrls;

    29     private Integer mPrefObserverId;

    31     ToolbarTitlePrefs() {

    32         mShowUrl = false;

    33         mTrimUrls = true;

    35         mPrefObserverId = PrefsHelper.getPrefs(prefs, new TitlePrefsHandler());

    36     }

    38     boolean shouldShowUrl() {

    39         return mShowUrl;

    40     }

    42     boolean shouldTrimUrls() {

    43         return mTrimUrls;

    44     }

    46     void close() {

    47         if (mPrefObserverId != null) {

    48              PrefsHelper.removeObserver(mPrefObserverId);

    49              mPrefObserverId = null;

    50         }

    51     }

    53     private class TitlePrefsHandler extends PrefsHelper.PrefHandlerBase {

    54         @Override

    55         public void prefValue(String pref, String str) {

    56             // Handles PREF_TITLEBAR_MODE, which is always a string.

    57             int value = Integer.parseInt(str);

    58             boolean shouldShowUrl = (value == 1);

    60             if (shouldShowUrl == mShowUrl) {

    61                 return;

    62             }

    63             mShowUrl = shouldShowUrl;

    65             triggerChangeListener();

    66         }

    68         @Override

    69         public void prefValue(String pref, boolean value) {

    70             // Handles PREF_TRIM_URLS, which should usually be a boolean.

    71             if (value == mTrimUrls) {

    72                 return;

    73             }

    74             mTrimUrls = value;

    76             triggerChangeListener();

    77         }

    79         @Override

    80         public boolean isObserver() {

    81             // We want to be notified of changes to be able to switch mode

    82             // without restarting.

    83             return true;

    84         }

    86         private void triggerChangeListener() {

    87             ThreadUtils.postToUiThread(new Runnable() {

    88                 @Override

    89                 public void run() {

    90                     final Tabs tabs = Tabs.getInstance();

    91                     final Tab tab = tabs.getSelectedTab();

    92                     if (tab != null) {

    93                         tabs.notifyListeners(tab, Tabs.TabEvents.TITLE);

    94                     }

    95                 }

    96             });

    97         }

    98     }

    99 }

The Tor Browser / file revision