blob: 9fa323a33b15fbe2b78e4d86147bfa92ef92e035 [file] [log] [blame]
/*
* Copyright (C) 2018 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.development;
import static android.os.UserHandle.USER_SYSTEM;
import android.content.Context;
import android.content.pm.PackageManager;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import android.text.TextUtils;
import android.view.DisplayCutout;
import com.android.settings.R;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.wrapper.OverlayManagerWrapper;
import com.android.settings.wrapper.OverlayManagerWrapper.OverlayInfo;
import com.android.settingslib.development.DeveloperOptionsPreferenceController;
import java.util.List;
public class EmulateDisplayCutoutPreferenceController extends
DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
PreferenceControllerMixin {
private static final String KEY = "display_cutout_emulation";
private final OverlayManagerWrapper mOverlayManager;
private final boolean mAvailable;
private ListPreference mPreference;
private PackageManager mPackageManager;
@VisibleForTesting
EmulateDisplayCutoutPreferenceController(Context context, PackageManager packageManager,
OverlayManagerWrapper overlayManager) {
super(context);
mOverlayManager = overlayManager;
mPackageManager = packageManager;
mAvailable = overlayManager != null && getOverlayInfos().length > 0;
}
public EmulateDisplayCutoutPreferenceController(Context context) {
this(context, context.getPackageManager(), new OverlayManagerWrapper());
}
@Override
public boolean isAvailable() {
return mAvailable;
}
@Override
public String getPreferenceKey() {
return KEY;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
setPreference((ListPreference) screen.findPreference(getPreferenceKey()));
}
@VisibleForTesting
void setPreference(ListPreference preference) {
mPreference = preference;
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
return setEmulationOverlay((String) newValue);
}
private boolean setEmulationOverlay(String packageName) {
OverlayInfo[] overlays = getOverlayInfos();
String currentPackageName = null;
for (OverlayInfo o : overlays) {
if (o.isEnabled()) {
currentPackageName = o.packageName;
}
}
if (TextUtils.isEmpty(packageName) && TextUtils.isEmpty(currentPackageName)
|| TextUtils.equals(packageName, currentPackageName)) {
// Already set.
return true;
}
final boolean result;
if (TextUtils.isEmpty(packageName)) {
result = mOverlayManager.setEnabled(currentPackageName, false, USER_SYSTEM);
} else {
result = mOverlayManager.setEnabledExclusiveInCategory(packageName, USER_SYSTEM);
}
updateState(mPreference);
return result;
}
@Override
public void updateState(Preference preference) {
OverlayInfo[] overlays = getOverlayInfos();
CharSequence[] pkgs = new CharSequence[overlays.length + 1];
CharSequence[] labels = new CharSequence[pkgs.length];
int current = 0;
pkgs[0] = "";
labels[0] = mContext.getString(R.string.display_cutout_emulation_none);
for (int i = 0; i < overlays.length; i++) {
OverlayInfo o = overlays[i];
pkgs[i+1] = o.packageName;
if (o.isEnabled()) {
current = i+1;
}
}
for (int i = 1; i < pkgs.length; i++) {
try {
labels[i] = mPackageManager.getApplicationInfo(pkgs[i].toString(), 0)
.loadLabel(mPackageManager);
} catch (PackageManager.NameNotFoundException e) {
labels[i] = pkgs[i];
}
}
mPreference.setEntries(labels);
mPreference.setEntryValues(pkgs);
mPreference.setValueIndex(current);
mPreference.setSummary(labels[current]);
}
private OverlayInfo[] getOverlayInfos() {
@SuppressWarnings("unchecked") List<OverlayInfo> overlayInfos =
mOverlayManager.getOverlayInfosForTarget("android", USER_SYSTEM);
for (int i = overlayInfos.size() - 1; i >= 0; i--) {
if (!DisplayCutout.EMULATION_OVERLAY_CATEGORY.equals(
overlayInfos.get(i).category)) {
overlayInfos.remove(i);
}
}
return overlayInfos.toArray(new OverlayInfo[overlayInfos.size()]);
}
@Override
protected void onDeveloperOptionsSwitchDisabled() {
super.onDeveloperOptionsSwitchDisabled();
setEmulationOverlay("");
updateState(mPreference);
}
}