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/*
* Copyright (C) 2016 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.display;
import static android.os.UserManager.DISALLOW_SET_WALLPAPER;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.RestrictedLockUtilsInternal;
import com.android.settingslib.RestrictedPreference;
import java.util.List;
public class WallpaperPreferenceController extends BasePreferenceController {
private static final String TAG = "WallpaperPrefController";
private static final String LAUNCHED_SETTINGS = "app_launched_settings";
private final String mWallpaperPackage;
private final String mWallpaperClass;
private final String mStylesAndWallpaperClass;
private final String mWallpaperLaunchExtra;
public WallpaperPreferenceController(Context context, String key) {
super(context, key);
mWallpaperPackage = mContext.getString(R.string.config_wallpaper_picker_package);
mWallpaperClass = mContext.getString(R.string.config_wallpaper_picker_class);
mStylesAndWallpaperClass =
mContext.getString(R.string.config_styles_and_wallpaper_picker_class);
mWallpaperLaunchExtra = mContext.getString(R.string.config_wallpaper_picker_launch_extra);
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
Preference preference = screen.findPreference(getPreferenceKey());
preference.setTitle(getTitle());
}
public String getTitle() {
return mContext.getString(areStylesAvailable()
? R.string.style_and_wallpaper_settings_title : R.string.wallpaper_settings_title);
}
public ComponentName getComponentName() {
return new ComponentName(mWallpaperPackage, getComponentClassString());
}
public String getComponentClassString() {
return areStylesAvailable() ? mStylesAndWallpaperClass : mWallpaperClass;
}
public String getKeywords() {
StringBuilder sb = new StringBuilder(mContext.getString(R.string.keywords_wallpaper));
if (areStylesAvailable()) {
sb.append(", ").append(mContext.getString(R.string.keywords_styles));
}
return sb.toString();
}
@Override
public int getAvailabilityStatus() {
if ((TextUtils.isEmpty(mWallpaperClass) && TextUtils.isEmpty(mStylesAndWallpaperClass))
|| TextUtils.isEmpty(mWallpaperPackage)) {
Log.e(TAG, "No Wallpaper picker specified!");
return UNSUPPORTED_ON_DEVICE;
}
return canResolveWallpaperComponent(getComponentClassString())
? AVAILABLE_UNSEARCHABLE : CONDITIONALLY_UNAVAILABLE;
}
@Override
public void updateState(Preference preference) {
disablePreferenceIfManaged((RestrictedPreference) preference);
}
@Override
public boolean handlePreferenceTreeClick(Preference preference) {
if (getPreferenceKey().equals(preference.getKey())) {
final Intent intent = new Intent().setComponent(
getComponentName()).putExtra(mWallpaperLaunchExtra, LAUNCHED_SETTINGS);
if (areStylesAvailable()) {
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
}
preference.getContext().startActivity(intent);
return true;
}
return super.handlePreferenceTreeClick(preference);
}
/** Returns whether Styles & Wallpaper is enabled and available. */
public boolean areStylesAvailable() {
return !TextUtils.isEmpty(mStylesAndWallpaperClass)
&& canResolveWallpaperComponent(mStylesAndWallpaperClass);
}
private boolean canResolveWallpaperComponent(String className) {
final ComponentName componentName = new ComponentName(mWallpaperPackage, className);
final PackageManager pm = mContext.getPackageManager();
final Intent intent = new Intent().setComponent(componentName);
final List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, 0 /* flags */);
return resolveInfos != null && !resolveInfos.isEmpty();
}
private void disablePreferenceIfManaged(RestrictedPreference pref) {
final String restriction = DISALLOW_SET_WALLPAPER;
if (pref != null) {
pref.setDisabledByAdmin(null);
if (RestrictedLockUtilsInternal.hasBaseUserRestriction(mContext,
restriction, UserHandle.myUserId())) {
pref.setEnabled(false);
} else {
pref.checkRestrictionAndSetDisabled(restriction);
}
}
}
}
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