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/*
* Copyright (C) 2011 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.settings;
import static android.provider.Settings.Secure.SCREENSAVER_COMPONENT;
import android.app.AlertDialog;
import android.content.Context;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.preference.Preference;
import android.provider.Settings;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public class DreamComponentPreference extends Preference {
private static final String TAG = "DreamComponentPreference";
private static final boolean SHOW_DOCK_APPS_TOO = true;
private final PackageManager pm;
private final ContentResolver resolver;
public DreamComponentPreference(Context context, AttributeSet attrs) {
super(context, attrs);
pm = getContext().getPackageManager();
resolver = getContext().getContentResolver();
refreshFromSettings();
}
private void refreshFromSettings() {
String component = Settings.Secure.getString(resolver, SCREENSAVER_COMPONENT);
if (component == null) {
component = getContext().getResources().getString(
com.android.internal.R.string.config_defaultDreamComponent);
}
if (component != null) {
ComponentName cn = ComponentName.unflattenFromString(component);
try {
setSummary(pm.getActivityInfo(cn, 0).loadLabel(pm));
} catch (PackageManager.NameNotFoundException ex) {
setSummary("(unknown)");
}
}
}
final static Comparator<ResolveInfo> sResolveInfoComparator = new Comparator<ResolveInfo>() {
@Override
public int compare(ResolveInfo a, ResolveInfo b) {
int cmp = a.activityInfo.applicationInfo.packageName.compareTo(
b.activityInfo.applicationInfo.packageName);
if (cmp == 0) {
cmp = a.activityInfo.name.compareTo(b.activityInfo.name);
}
return cmp;
}
};
public class DreamListAdapter extends BaseAdapter implements ListAdapter {
private ArrayList<ResolveInfo> results;
private final LayoutInflater inflater;
public DreamListAdapter(Context context) {
Intent choosy = new Intent(Intent.ACTION_MAIN)
.addCategory("android.intent.category.DREAM");
inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
results = new ArrayList<ResolveInfo>(pm.queryIntentActivities(choosy, 0));
// Group by package
Collections.sort(results, sResolveInfoComparator);
if (SHOW_DOCK_APPS_TOO) {
choosy = new Intent(Intent.ACTION_MAIN)
.addCategory(Intent.CATEGORY_DESK_DOCK);
List<ResolveInfo> dockApps = pm.queryIntentActivities(choosy, 0);
for (ResolveInfo app : dockApps) {
// do not insert duplicate packages
int pos = Collections.binarySearch(results, app, sResolveInfoComparator);
if (pos < 0) {
results.add(-1-pos, app);
}
}
}
}
@Override
public int getCount() {
return results.size();
}
@Override
public Object getItem(int position) {
return results.get(position);
}
@Override
public long getItemId (int position) {
return (long) position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row = (convertView != null)
? convertView
: inflater.inflate(R.layout.dream_picker_row, parent, false);
ResolveInfo ri = results.get(position);
((TextView)row.findViewById(R.id.title)).setText(ri.loadLabel(pm));
((ImageView)row.findViewById(R.id.icon)).setImageDrawable(ri.loadIcon(pm));
return row;
}
}
@Override
protected void onClick() {
final DreamListAdapter list = new DreamListAdapter(getContext());
AlertDialog alert = new AlertDialog.Builder(getContext())
.setAdapter(
list,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
ResolveInfo ri = (ResolveInfo)list.getItem(which);
ActivityInfo act = ri.activityInfo;
ComponentName cn = new ComponentName(
act.applicationInfo.packageName,
act.name);
Intent intent = new Intent(Intent.ACTION_MAIN).setComponent(cn);
setSummary(ri.loadLabel(pm));
//getContext().startActivity(intent);
Settings.Secure.putString(resolver, SCREENSAVER_COMPONENT, cn.flattenToString());
}
})
.create();
alert.show();
}
}
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