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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.ApplicationInfo;
import android.content.pm.ComponentInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.preference.Preference;
import android.provider.Settings;
import android.service.dreams.IDreamManager;
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.text.Collator;
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 = false;
private static final boolean SHOW_DREAM_SERVICES = true;
private static final boolean SHOW_DREAM_ACTIVITIES = false;
private final PackageManager pm;
private final ContentResolver resolver;
private final Collator sCollator = Collator.getInstance();
public DreamComponentPreference(Context context, AttributeSet attrs) {
super(context, attrs);
pm = getContext().getPackageManager();
resolver = getContext().getContentResolver();
refreshFromSettings();
}
private void refreshFromSettings() {
ComponentName cn = null;
IDreamManager dm = IDreamManager.Stub.asInterface(
ServiceManager.getService("dreams"));
try {
cn = dm.getDreamComponent();
} catch (RemoteException ex) {
setSummary("(unknown)");
return;
}
try {
setSummary(pm.getActivityInfo(cn, 0).loadLabel(pm));
} catch (PackageManager.NameNotFoundException ex) {
try {
setSummary(pm.getServiceInfo(cn, 0).loadLabel(pm));
} catch (PackageManager.NameNotFoundException ex2) {
setSummary("(unknown)");
}
}
}
// Group by package, then by name.
Comparator<ResolveInfo> sResolveInfoComparator = new Comparator<ResolveInfo>() {
@Override
public int compare(ResolveInfo a, ResolveInfo b) {
CharSequence sa, sb;
ApplicationInfo aia = a.activityInfo != null ? a.activityInfo.applicationInfo : a.serviceInfo.applicationInfo;
ApplicationInfo aib = b.activityInfo != null ? b.activityInfo.applicationInfo : b.serviceInfo.applicationInfo;
if (!aia.equals(aib)) {
sa = pm.getApplicationLabel(aia);
sb = pm.getApplicationLabel(aib);
} else {
sa = a.loadLabel(pm);
if (sa == null) {
sa = (a.activityInfo != null) ? a.activityInfo.name : a.serviceInfo.name;
}
sb = b.loadLabel(pm);
if (sb == null) {
sb = (b.activityInfo != null) ? b.activityInfo.name : b.serviceInfo.name;
}
}
return sCollator.compare(sa.toString(), sb.toString());
}
};
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>();
if (SHOW_DREAM_ACTIVITIES) {
results.addAll(pm.queryIntentActivities(choosy, PackageManager.GET_META_DATA));
}
if (SHOW_DREAM_SERVICES) {
results.addAll(pm.queryIntentServices(choosy, PackageManager.GET_META_DATA));
}
// Group by package
Collections.sort(results, sResolveInfoComparator);
if (SHOW_DOCK_APPS) {
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;
}
private CharSequence loadDescription(ResolveInfo ri) {
CharSequence desc = null;
if (ri != null) {
Bundle metaData = (ri.activityInfo != null) ? ri.activityInfo.metaData : ri.serviceInfo.metaData;
Log.d(TAG, "loadDescription: ri=" + ri + " metaData=" + metaData);
if (metaData != null) {
desc = metaData.getCharSequence("android.screensaver.description");
Log.d(TAG, "loadDescription: desc=" + desc);
if (desc != null) {
desc = desc.toString().trim();
}
}
}
return desc;
}
@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);
String pn = (ri.activityInfo != null) ? ri.activityInfo.applicationInfo.packageName
: ri.serviceInfo.applicationInfo.packageName;
String n = (ri.activityInfo != null) ? ri.activityInfo.name : ri.serviceInfo.name;
ComponentName cn = new ComponentName(pn, n);
setSummary(ri.loadLabel(pm));
//getContext().startActivity(intent);
IDreamManager dm = IDreamManager.Stub.asInterface(
ServiceManager.getService("dreams"));
try {
dm.setDreamComponent(cn);
} catch (RemoteException ex) {
// too bad, so sad, oh mom, oh dad
}
}
})
.create();
alert.show();
}
}
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