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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.toolbar;
import org.mozilla.gecko.PrefsHelper;
import org.mozilla.gecko.Tab;
import org.mozilla.gecko.Tabs;
import org.mozilla.gecko.util.ThreadUtils;
class ToolbarPrefs {
private static final String PREF_AUTOCOMPLETE_ENABLED = "browser.urlbar.autocomplete.enabled";
private static final String PREF_TRIM_URLS = "browser.urlbar.trimURLs";
private static final String[] PREFS = {
PREF_AUTOCOMPLETE_ENABLED,
PREF_TRIM_URLS
};
private final TitlePrefsHandler HANDLER = new TitlePrefsHandler();
private volatile boolean enableAutocomplete;
private volatile boolean trimUrls;
ToolbarPrefs() {
// Skip autocompletion while Gecko is loading.
// We will get the correct pref value once Gecko is loaded.
enableAutocomplete = false;
trimUrls = true;
}
boolean shouldAutocomplete() {
return enableAutocomplete;
}
boolean shouldTrimUrls() {
return trimUrls;
}
void open() {
PrefsHelper.addObserver(PREFS, HANDLER);
}
void close() {
PrefsHelper.removeObserver(HANDLER);
}
private void triggerTitleChangeListener() {
ThreadUtils.postToUiThread(new Runnable() {
@Override
public void run() {
final Tabs tabs = Tabs.getInstance();
final Tab tab = tabs.getSelectedTab();
if (tab != null) {
tabs.notifyListeners(tab, Tabs.TabEvents.TITLE);
}
}
});
}
private class TitlePrefsHandler extends PrefsHelper.PrefHandlerBase {
@Override
public void prefValue(String pref, boolean value) {
if (PREF_AUTOCOMPLETE_ENABLED.equals(pref)) {
enableAutocomplete = value;
} else if (PREF_TRIM_URLS.equals(pref)) {
// Handles PREF_TRIM_URLS, which should usually be a boolean.
if (value != trimUrls) {
trimUrls = value;
triggerTitleChangeListener();
}
}
}
}
}
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