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/*
* Copyright (C) 2009 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.launcher2;
import android.app.WallpaperManager;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.RemoteException;
import android.service.wallpaper.WallpaperService;
import android.util.Log;
import java.text.Collator;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
/**
* Displays a list of live wallpapers, allowing the user to select one
* and make it the system global wallpaper.
*/
public class LiveWallpaperPickActivity extends ActivityPicker {
private static final String TAG = "LiveWallpaperPickActivity";
private PackageManager mPackageManager;
private WallpaperManager mWallpaperManager;
@Override
public void onCreate(Bundle icicle) {
mPackageManager = getPackageManager();
mWallpaperManager = WallpaperManager.getInstance(this);
super.onCreate(icicle);
// Set default return data
setResult(RESULT_CANCELED);
}
/**
* {@inheritDoc}
*/
@Override
public void onClick(DialogInterface dialog, int which) {
Intent intent = getIntentForPosition(which);
try {
mWallpaperManager.getIWallpaperManager().setWallpaperComponent(
intent.getComponent());
this.setResult(RESULT_OK);
} catch (RemoteException e) {
// do nothing
} catch (RuntimeException e) {
Log.w(TAG, "Failure setting wallpaper", e);
}
finish();
}
void putLiveWallpaperItems(List<ResolveInfo> ris,
List<PickAdapter.Item> items) {
final int size = ris.size();
for (int i = 0; i < size; i++) {
ServiceInfo si = ris.get(i).serviceInfo;
CharSequence label = si.loadLabel(mPackageManager);
Drawable icon = si.loadIcon(mPackageManager);
PickAdapter.Item item = new PickAdapter.Item(this, label, icon);
item.packageName = si.packageName;
item.className = si.name;
items.add(item);
}
}
@Override
protected List<PickAdapter.Item> getItems() {
List<PickAdapter.Item> items = new ArrayList<PickAdapter.Item>();
putInstalledLiveWallpapers(items);
// Sort all items together by label
Collections.sort(items, new Comparator<PickAdapter.Item>() {
Collator mCollator = Collator.getInstance();
public int compare(PickAdapter.Item lhs, PickAdapter.Item rhs) {
return mCollator.compare(lhs.label, rhs.label);
}
});
return items;
}
void putInstalledLiveWallpapers(List<PickAdapter.Item> items) {
List<ResolveInfo> ris = mPackageManager.queryIntentServices(
new Intent(WallpaperService.SERVICE_INTERFACE), 0);
putLiveWallpaperItems(ris, items);
}
}
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