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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.camera.ui;
import com.android.camera.ListPreference;
import com.android.camera.PreferenceGroup;
import com.android.camera.R;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/* A popup window that contains several camera settings. */
public class OtherSettingsPopup extends AbstractSettingPopup
implements InLineSettingPicker.Listener,
AdapterView.OnItemClickListener {
private static final String TAG = "OtherSettingsPopup";
private static final String ITEM_KEY = "key";
private static final String ITEM_TITLE = "text";
private static final String ITEM_VALUE = "value";
private static final String ITEM_RESTORE = "reset";
private Context mContext;
private Listener mListener;
private ArrayList<HashMap<String, Object>> mListItem =
new ArrayList<HashMap<String, Object>>();
static public interface Listener {
public void onSettingChanged();
public void onRestorePreferencesClicked();
}
private class OtherSettingsAdapter extends SimpleAdapter {
OtherSettingsAdapter(Context context,
List<? extends Map<String, ?>> data,
int resource, String[] from, int[] to) {
super(context, data, resource, from, to);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView != null) return convertView;
InLineSettingPicker view = (InLineSettingPicker)
super.getView(position, convertView, parent);
TextView restoreSettings =
(TextView) view.findViewById(R.id.restore);
View settingItem = view.findViewById(R.id.setting_item);
// We apply the same View(InLineSettingPicker) as the listview's
// components. To show the restore setting line, we control the
// visibilities of components in InLineSettingPicker.
boolean isRestoreItem = (position == mListItem.size() - 1);
settingItem.setVisibility(
isRestoreItem ? View.GONE : View.VISIBLE);
restoreSettings.setVisibility(
isRestoreItem ? View.VISIBLE : View.GONE);
if (!isRestoreItem) {
HashMap map = (HashMap) mListItem.get(position);
ListPreference pref = (ListPreference) map.get(ITEM_KEY);
view.initialize(pref);
view.setSettingChangedListener(OtherSettingsPopup.this);
}
return view;
}
}
public void setSettingChangedListener(Listener listener) {
mListener = listener;
}
public OtherSettingsPopup(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
}
public void initialize(PreferenceGroup group, String[] keys) {
// Prepare the setting items.
for (int i = 0; i < keys.length; ++i) {
HashMap<String, Object> map = new HashMap<String, Object>();
ListPreference pref = group.findPreference(keys[i]);
if (pref != null) {
map.put(ITEM_KEY, pref);
map.put(ITEM_TITLE, pref.getTitle());
map.put(ITEM_VALUE, pref.getEntry());
mListItem.add(map);
}
}
// Prepare the restore setting line.
HashMap<String, Object> map = new HashMap<String, Object>();
map.put(ITEM_RESTORE, mContext.getString(R.string.pref_restore_detail));
mListItem.add(map);
SimpleAdapter mListItemAdapter = new OtherSettingsAdapter(mContext,
mListItem,
R.layout.in_line_setting_picker,
new String[] {ITEM_TITLE, ITEM_VALUE, ITEM_RESTORE},
new int[] {R.id.title, R.id.current_setting, R.id.restore});
((ListView) mSettingList).setAdapter(mListItemAdapter);
((ListView) mSettingList).setOnItemClickListener(this);
((ListView) mSettingList).setSelector(android.R.color.transparent);
}
@Override
public void onSettingChanged() {
if (mListener != null) {
mListener.onSettingChanged();
}
}
// Scene mode can override other camera settings (ex: flash mode).
public void overrideSettings(final String ... keyvalues) {
int count = mSettingList.getChildCount();
for (int i = 0; i < keyvalues.length; i += 2) {
String key = keyvalues[i];
String value = keyvalues[i + 1];
for (int j = 0; j < count; j++) {
ListPreference pref = (ListPreference) mListItem.get(j).get(ITEM_KEY);
if (pref != null && key.equals(pref.getKey())) {
InLineSettingPicker picker =
(InLineSettingPicker) mSettingList.getChildAt(j);
picker.overrideSettings(value);
}
}
}
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
if ((position == mListItem.size() - 1) && (mListener != null)) {
mListener.onRestorePreferencesClicked();
}
}
@Override
public void reloadPreference() {
int count = mSettingList.getChildCount();
for (int i = 0; i < count; i++) {
ListPreference pref = (ListPreference) mListItem.get(i).get(ITEM_KEY);
if (pref != null) {
InLineSettingPicker picker =
(InLineSettingPicker) mSettingList.getChildAt(i);
picker.reloadPreference();
}
}
}
}
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