+++ /dev/null
-/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- * xscreensaver, Copyright (c) 2016 Jamie Zawinski <jwz@jwz.org>
- * and Dennis Sheil <dennis@panaceasupplies.com>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation. No representations are made about the suitability of this
- * software for any purpose. It is provided "as is" without express or
- * implied warranty.
- *
- * The superclass of every saver's preferences panel.
- *
- * The only reason the subclasses of this class exist is so that we know
- * which "_settings.xml" to read -- we extract the base name from self's
- * class.
- *
- * project/xscreensaver/res/xml/SAVER_dream.xml refers to it as
- * android:settingsActivity="SAVER_Settings". If there was some way
- * to pass an argument from the XML into here, or to otherwise detect
- * which Dream was instantiating this Settings, we wouldn't need those
- * hundreds of Settings subclasses.
- */
-
-package org.jwz.xscreensaver;
-
-import android.content.SharedPreferences;
-import android.os.Bundle;
-
-import android.content.SharedPreferences;
-import android.preference.PreferenceActivity;
-import android.preference.Preference;
-import android.preference.ListPreference;
-import android.preference.EditTextPreference;
-import android.preference.CheckBoxPreference;
-import org.jwz.xscreensaver.SliderPreference;
-
-import org.jwz.xscreensaver.R;
-import java.util.Map;
-import java.lang.reflect.Field;
-
-public abstract class XScreenSaverSettings extends PreferenceActivity
- implements SharedPreferences.OnSharedPreferenceChangeListener {
-
- @Override
- protected void onCreate (Bundle icicle) {
- super.onCreate (icicle);
-
- // Extract the saver name from e.g. "BouncingCowSettings"
- String name = this.getClass().getSimpleName();
- String tail = "Settings";
- if (name.endsWith(tail))
- name = name.substring (0, name.length() - tail.length());
- name = name.toLowerCase();
-
- // #### All of these have been deprecated:
- // getPreferenceManager()
- // addPreferencesFromResource(int)
- // findPreference(CharSequence)
-
- getPreferenceManager().setSharedPreferencesName (name);
-
- // read R.xml.SAVER_settings dynamically
- int res = -1;
- String pref_class = name + "_settings";
- try { res = R.xml.class.getDeclaredField(pref_class).getInt (null); }
- catch (Exception e) { }
- if (res != -1)
- addPreferencesFromResource (res);
-
- final int res_final = res;
-
- SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
- prefs.registerOnSharedPreferenceChangeListener (this);
- updateAllPrefsSummaries (prefs);
-
- // Find the "Reset to defaults" button and install a click handler on it.
- //
- Preference reset = findPreference (name + "_reset");
- reset.setOnPreferenceClickListener(
- new Preference.OnPreferenceClickListener() {
- @Override
- public boolean onPreferenceClick(Preference preference) {
-
- SharedPreferences prefs =
- getPreferenceManager().getSharedPreferences();
-
- // Wipe everything from the preferences hash, then reload defaults.
- prefs.edit().clear().commit();
- getPreferenceScreen().removeAll();
- addPreferencesFromResource (res_final);
-
- // I guess we need to re-get this after the removeAll?
- prefs = getPreferenceManager().getSharedPreferences();
-
- // But now we need to iterate over every Preference widget and
- // push the new value down into it. If you think this all looks
- // ridiculously non-object-oriented and completely insane, that's
- // because it is.
-
- Map <String, ?> keys = prefs.getAll();
- for (Map.Entry <String, ?> entry : keys.entrySet()) {
- String key = entry.getKey();
- String val = String.valueOf (entry.getValue());
-
- Preference pref = findPreference (key);
- if (pref instanceof ListPreference) {
- ((ListPreference) pref).setValue (prefs.getString (key, ""));
- } else if (pref instanceof SliderPreference) {
- ((SliderPreference) pref).setValue (prefs.getFloat (key, 0));
- } else if (pref instanceof EditTextPreference) {
- ((EditTextPreference) pref).setText (prefs.getString (key, ""));
- } else if (pref instanceof CheckBoxPreference) {
- ((CheckBoxPreference) pref).setChecked (
- prefs.getBoolean (key,false));
- }
-
- updatePrefsSummary (prefs, pref);
- }
- return true;
- }
- });
- }
-
- @Override
- protected void onResume() {
- super.onResume();
- SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
- prefs.registerOnSharedPreferenceChangeListener (this);
- updateAllPrefsSummaries(prefs);
- }
-
- @Override
- protected void onPause() {
- getPreferenceManager().getSharedPreferences().
- unregisterOnSharedPreferenceChangeListener(this);
- super.onPause();
- }
-
- @Override
- protected void onDestroy() {
- getPreferenceManager().getSharedPreferences().
- unregisterOnSharedPreferenceChangeListener(this);
- super.onDestroy();
- }
-
- public void onSharedPreferenceChanged (SharedPreferences sharedPreferences,
- String key) {
- updatePrefsSummary(sharedPreferences, findPreference(key));
- }
-
- protected void updatePrefsSummary(SharedPreferences sharedPreferences,
- Preference pref) {
- if (pref == null)
- return;
-
- if (pref instanceof ListPreference) {
- pref.setTitle (((ListPreference) pref).getEntry());
- } else if (pref instanceof SliderPreference) {
- float v = ((SliderPreference) pref).getValue();
- int i = (int) Math.floor (v);
- if (v == i)
- pref.setSummary (String.valueOf (i));
- else
- pref.setSummary (String.valueOf (v));
- } else if (pref instanceof EditTextPreference) {
- pref.setSummary (((EditTextPreference) pref).getText());
- }
- }
-
- protected void updateAllPrefsSummaries(SharedPreferences prefs) {
-
- Map <String, ?> keys = prefs.getAll();
- for (Map.Entry <String, ?> entry : keys.entrySet()) {
- updatePrefsSummary (prefs, findPreference (entry.getKey()));
- }
- }
-}
projects / xscreensaver / blobdiff