/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.email.activity.setup;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceCategory;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceFragment;
import android.preference.PreferenceScreen;
import android.widget.Toast;
import com.android.email.Preferences;
import com.android.email.R;
import com.android.email.activity.UiUtilities;
public class GeneralPreferences extends PreferenceFragment implements OnPreferenceChangeListener {
private static final String PREFERENCE_CATEGORY_KEY = "category_general_preferences";
private static final String PREFERENCE_KEY_AUTO_ADVANCE = "auto_advance";
private static final String PREFERENCE_KEY_TEXT_ZOOM = "text_zoom";
private static final String PREFERENCE_KEY_REPLY_ALL = Preferences.REPLY_ALL;
private static final String PREFERENCE_KEY_CLEAR_TRUSTED_SENDERS = "clear_trusted_senders";
private Preferences mPreferences;
private ListPreference mAutoAdvance;
private ListPreference mTextZoom;
CharSequence[] mSizeSummaries;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getPreferenceManager().setSharedPreferencesName(Preferences.PREFERENCES_FILE);
// Load the preferences from an XML resource
addPreferencesFromResource(R.xml.general_preferences);
if (UiUtilities.useTwoPane(getActivity())) {
// "Reply All" should only be shown on phones
PreferenceCategory pc = (PreferenceCategory) findPreference(PREFERENCE_CATEGORY_KEY);
pc.removePreference(findPreference(PREFERENCE_KEY_REPLY_ALL));
}
}
@Override
public void onResume() {
loadSettings();
super.onResume();
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
String key = preference.getKey();
if (PREFERENCE_KEY_AUTO_ADVANCE.equals(key)) {
mPreferences.setAutoAdvanceDirection(mAutoAdvance.findIndexOfValue((String) newValue));
return true;
} else if (PREFERENCE_KEY_TEXT_ZOOM.equals(key)) {
mPreferences.setTextZoom(mTextZoom.findIndexOfValue((String) newValue));
reloadDynamicSummaries();
return true;
}
return false;
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
if (getActivity() == null) {
// Guard against monkeys.
return false;
}
String key = preference.getKey();
if (key.equals(PREFERENCE_KEY_CLEAR_TRUSTED_SENDERS)) {
mPreferences.clearTrustedSenders();
Toast.makeText(
getActivity(), R.string.trusted_senders_cleared, Toast.LENGTH_SHORT).show();
return true;
}
return false;
}
private void loadSettings() {
mPreferences = Preferences.getPreferences(getActivity());
mAutoAdvance = (ListPreference) findPreference(PREFERENCE_KEY_AUTO_ADVANCE);
mAutoAdvance.setValueIndex(mPreferences.getAutoAdvanceDirection());
mAutoAdvance.setOnPreferenceChangeListener(this);
mTextZoom = (ListPreference) findPreference(PREFERENCE_KEY_TEXT_ZOOM);
mTextZoom.setValueIndex(mPreferences.getTextZoom());
mTextZoom.setOnPreferenceChangeListener(this);
reloadDynamicSummaries();
}
/**
* Reload any preference summaries that are updated dynamically
*/
private void reloadDynamicSummaries() {
int textZoomIndex = mPreferences.getTextZoom();
// Update summary - but only load the array once
if (mSizeSummaries == null) {
mSizeSummaries = getActivity().getResources()
.getTextArray(R.array.general_preference_text_zoom_summary_array);
}
CharSequence summary = null;
if (textZoomIndex >= 0 && textZoomIndex < mSizeSummaries.length) {
summary = mSizeSummaries[textZoomIndex];
}
mTextZoom.setSummary(summary);
}
}