зеркало из https://github.com/mozilla/gecko-dev.git
213 строки
7.4 KiB
Java
213 строки
7.4 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.preferences;
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import java.util.Locale;
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import org.mozilla.gecko.AppConstants.Versions;
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import org.mozilla.gecko.BrowserLocaleManager;
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import org.mozilla.gecko.GeckoSharedPrefs;
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import org.mozilla.gecko.LocaleManager;
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import org.mozilla.gecko.PrefsHelper;
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import org.mozilla.gecko.R;
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import org.mozilla.gecko.Telemetry;
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import org.mozilla.gecko.TelemetryContract;
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import org.mozilla.gecko.TelemetryContract.Method;
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import android.app.ActionBar;
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import android.app.Activity;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.os.Bundle;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceFragment;
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import android.preference.PreferenceScreen;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuInflater;
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/* A simple implementation of PreferenceFragment for large screen devices
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* This will strip category headers (so that they aren't shown to the user twice)
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* as well as initializing Gecko prefs when a fragment is shown.
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*/
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public class GeckoPreferenceFragment extends PreferenceFragment {
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@Override
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public void onConfigurationChanged(Configuration newConfig) {
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super.onConfigurationChanged(newConfig);
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Log.d(LOGTAG, "onConfigurationChanged: " + newConfig.locale);
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final Activity context = getActivity();
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final LocaleManager localeManager = BrowserLocaleManager.getInstance();
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final Locale changed = localeManager.onSystemConfigurationChanged(context, getResources(), newConfig, lastLocale);
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if (changed != null) {
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applyLocale(changed);
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}
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}
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private static final String LOGTAG = "GeckoPreferenceFragment";
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private int mPrefsRequestId;
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private Locale lastLocale = Locale.getDefault();
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// Write prefs to our custom GeckoSharedPrefs file.
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getPreferenceManager().setSharedPreferencesName(GeckoSharedPrefs.APP_PREFS_NAME);
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int res = getResource();
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if (res == R.xml.preferences) {
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Telemetry.startUISession(TelemetryContract.Session.SETTINGS);
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} else {
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final String resourceName = getArguments().getString("resource");
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Telemetry.sendUIEvent(TelemetryContract.Event.ACTION, Method.SETTINGS, resourceName);
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}
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// Display a menu for Search preferences.
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if (res == R.xml.preferences_search) {
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setHasOptionsMenu(true);
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}
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addPreferencesFromResource(res);
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PreferenceScreen screen = getPreferenceScreen();
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setPreferenceScreen(screen);
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mPrefsRequestId = ((GeckoPreferences)getActivity()).setupPreferences(screen);
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}
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/**
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* Return the title to use for this preference fragment. This allows
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* for us to redisplay this fragment in a different locale.
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*
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* We only return titles for the preference screens that are in the
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* flow for selecting a locale, and thus might need to be redisplayed.
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*
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* This method sets the title that you see on non-multi-pane devices.
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*/
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private String getTitle() {
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final int res = getResource();
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if (res == R.xml.preferences_locale) {
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return getString(R.string.pref_category_language);
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}
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if (res == R.xml.preferences) {
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return getString(R.string.settings_title);
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}
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// We need this because we can launch straight into this category
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// from the Data Reporting notification.
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if (res == R.xml.preferences_vendor) {
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return getString(R.string.pref_category_vendor);
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}
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return null;
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}
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private void updateTitle() {
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final String newTitle = getTitle();
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if (newTitle == null) {
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Log.d(LOGTAG, "No new title to show.");
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return;
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}
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final PreferenceActivity activity = (PreferenceActivity) getActivity();
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if (Versions.feature11Plus && activity.isMultiPane()) {
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// In a multi-pane activity, the title is "Settings", and the action
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// bar is along the top of the screen. We don't want to change those.
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activity.showBreadCrumbs(newTitle, newTitle);
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return;
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}
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Log.v(LOGTAG, "Setting activity title to " + newTitle);
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activity.setTitle(newTitle);
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if (Versions.feature14Plus) {
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final ActionBar actionBar = activity.getActionBar();
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if (actionBar != null) {
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actionBar.setTitle(newTitle);
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}
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}
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}
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@Override
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public void onResume() {
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// This is a little delicate. Ensure that you do nothing prior to
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// super.onResume that you wouldn't do in onCreate.
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applyLocale(Locale.getDefault());
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super.onResume();
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}
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private void applyLocale(final Locale currentLocale) {
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final Context context = getActivity().getApplicationContext();
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BrowserLocaleManager.getInstance().updateConfiguration(context, currentLocale);
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if (!currentLocale.equals(lastLocale)) {
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// Locales differ. Let's redisplay.
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Log.d(LOGTAG, "Locale changed: " + currentLocale);
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this.lastLocale = currentLocale;
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// Rebuild the list to reflect the current locale.
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getPreferenceScreen().removeAll();
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addPreferencesFromResource(getResource());
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}
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// Fix the parent title regardless.
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updateTitle();
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}
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/*
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* Get the resource from Fragment arguments and return it.
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*
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* If no resource can be found, return the resource id of the default preference screen.
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*/
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private int getResource() {
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int resid = 0;
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final String resourceName = getArguments().getString("resource");
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final Activity activity = getActivity();
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if (resourceName != null) {
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// Fetch resource id by resource name.
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final Resources resources = activity.getResources();
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final String packageName = activity.getPackageName();
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resid = resources.getIdentifier(resourceName, "xml", packageName);
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}
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if (resid == 0) {
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// The resource was invalid. Use the default resource.
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Log.e(LOGTAG, "Failed to find resource: " + resourceName + ". Displaying default settings.");
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boolean isMultiPane = Versions.feature11Plus &&
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((PreferenceActivity) activity).isMultiPane();
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resid = isMultiPane ? R.xml.preferences_customize_tablet : R.xml.preferences;
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}
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return resid;
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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super.onCreateOptionsMenu(menu, inflater);
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inflater.inflate(R.menu.preferences_search_menu, menu);
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (mPrefsRequestId > 0) {
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PrefsHelper.removeObserver(mPrefsRequestId);
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}
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final int res = getResource();
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if (res == R.xml.preferences) {
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Telemetry.stopUISession(TelemetryContract.Session.SETTINGS);
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}
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}
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} |