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/*
* 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.browser.preferences;
import com.android.browser.BrowserActivity;
import com.android.browser.PreferenceKeys;
import com.android.browser.R;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceScreen;
import android.util.Log;
import android.webkit.GeolocationPermissions;
import android.webkit.ValueCallback;
import android.webkit.WebStorage;
import java.util.Map;
import java.util.Set;
public class AdvancedPreferencesFragment extends PreferenceFragment
implements Preference.OnPreferenceChangeListener {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Load the XML preferences file
addPreferencesFromResource(R.xml.advanced_preferences);
PreferenceScreen websiteSettings = (PreferenceScreen) findPreference(
PreferenceKeys.PREF_WEBSITE_SETTINGS);
websiteSettings.setFragment(WebsiteSettingsFragment.class.getName());
Preference e = findPreference(PreferenceKeys.PREF_DEFAULT_ZOOM);
e.setOnPreferenceChangeListener(this);
e.setSummary(getVisualDefaultZoomName(
getPreferenceScreen().getSharedPreferences()
.getString(PreferenceKeys.PREF_DEFAULT_ZOOM, null)) );
e = findPreference(PreferenceKeys.PREF_DEFAULT_TEXT_ENCODING);
e.setOnPreferenceChangeListener(this);
e = findPreference(PreferenceKeys.PREF_RESET_DEFAULT_PREFERENCES);
e.setOnPreferenceChangeListener(this);
e = findPreference(PreferenceKeys.PREF_SEARCH_ENGINE);
e.setOnPreferenceChangeListener(this);
updateListPreferenceSummary((ListPreference) e);
e = findPreference(PreferenceKeys.PREF_PLUGIN_STATE);
e.setOnPreferenceChangeListener(this);
updateListPreferenceSummary((ListPreference) e);
}
void updateListPreferenceSummary(ListPreference e) {
e.setSummary(e.getEntry());
}
/*
* We need to set the PreferenceScreen state in onResume(), as the number of
* origins with active features (WebStorage, Geolocation etc) could have
* changed after calling the WebsiteSettingsActivity.
*/
@Override
public void onResume() {
super.onResume();
final PreferenceScreen websiteSettings = (PreferenceScreen) findPreference(
PreferenceKeys.PREF_WEBSITE_SETTINGS);
websiteSettings.setEnabled(false);
WebStorage.getInstance().getOrigins(new ValueCallback<Map>() {
@Override
public void onReceiveValue(Map webStorageOrigins) {
if ((webStorageOrigins != null) && !webStorageOrigins.isEmpty()) {
websiteSettings.setEnabled(true);
}
}
});
GeolocationPermissions.getInstance().getOrigins(new ValueCallback<Set<String> >() {
@Override
public void onReceiveValue(Set<String> geolocationOrigins) {
if ((geolocationOrigins != null) && !geolocationOrigins.isEmpty()) {
websiteSettings.setEnabled(true);
}
}
});
}
@Override
public boolean onPreferenceChange(Preference pref, Object objValue) {
if (getActivity() == null) {
// We aren't attached, so don't accept preferences changes from the
// invisible UI.
Log.w("PageContentPreferencesFragment", "onPreferenceChange called from detached fragment!");
return false;
}
if (pref.getKey().equals(PreferenceKeys.PREF_DEFAULT_ZOOM)) {
pref.setSummary(getVisualDefaultZoomName((String) objValue));
return true;
} else if (pref.getKey().equals(PreferenceKeys.PREF_DEFAULT_TEXT_ENCODING)) {
pref.setSummary((String) objValue);
return true;
} else if (pref.getKey().equals(PreferenceKeys.PREF_RESET_DEFAULT_PREFERENCES)) {
Boolean value = (Boolean) objValue;
if (value.booleanValue() == true) {
startActivity(new Intent(BrowserActivity.ACTION_RESTART, null,
getActivity(), BrowserActivity.class));
return true;
}
} else if (pref.getKey().equals(PreferenceKeys.PREF_PLUGIN_STATE)
|| pref.getKey().equals(PreferenceKeys.PREF_SEARCH_ENGINE)) {
ListPreference lp = (ListPreference) pref;
lp.setValue((String) objValue);
updateListPreferenceSummary(lp);
return false;
}
return false;
}
private CharSequence getVisualDefaultZoomName(String enumName) {
Resources res = getActivity().getResources();
CharSequence[] visualNames = res.getTextArray(R.array.pref_default_zoom_choices);
CharSequence[] enumNames = res.getTextArray(R.array.pref_default_zoom_values);
// Sanity check
if (visualNames.length != enumNames.length) {
return "";
}
int length = enumNames.length;
for (int i = 0; i < length; i++) {
if (enumNames[i].equals(enumName)) {
return visualNames[i];
}
}
return "";
}
}
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