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/*
* Copyright 2019 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.graphicsdriver;
import static com.android.settings.development.graphicsdriver.GraphicsDriverEnableForAllAppsPreferenceController.UPDATABLE_DRIVER_DEFAULT;
import static com.android.settings.development.graphicsdriver.GraphicsDriverEnableForAllAppsPreferenceController.UPDATABLE_DRIVER_OFF;
import android.content.ContentResolver;
import android.content.Context;
import android.os.Handler;
import android.os.Looper;
import android.provider.Settings;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
import com.android.settingslib.widget.TopIntroPreference;
/**
* Controller of top info preference for Graphics Driver Preferences dashboard.
*/
public class GraphicsDriverTopIntroPreferenceController extends BasePreferenceController
implements GraphicsDriverContentObserver.OnGraphicsDriverContentChangedListener,
LifecycleObserver, OnStart, OnStop {
private final ContentResolver mContentResolver;
@VisibleForTesting
GraphicsDriverContentObserver mGraphicsDriverContentObserver;
private TopIntroPreference mPreference;
public GraphicsDriverTopIntroPreferenceController(Context context, String key) {
super(context, key);
mContentResolver = context.getContentResolver();
mGraphicsDriverContentObserver =
new GraphicsDriverContentObserver(new Handler(Looper.getMainLooper()), this);
}
@Override
public int getAvailabilityStatus() {
return Settings.Global.getInt(
mContentResolver, Settings.Global.UPDATABLE_DRIVER_ALL_APPS,
UPDATABLE_DRIVER_DEFAULT)
== UPDATABLE_DRIVER_OFF
? AVAILABLE_UNSEARCHABLE
: CONDITIONALLY_UNAVAILABLE;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = screen.findPreference(getPreferenceKey());
}
@Override
public void onStart() {
mGraphicsDriverContentObserver.register(mContentResolver);
}
@Override
public void onStop() {
mGraphicsDriverContentObserver.unregister(mContentResolver);
}
@Override
public void updateState(Preference preference) {
final TopIntroPreference topIntroPref = (TopIntroPreference) preference;
topIntroPref.setVisible(isAvailable());
}
@Override
public void onGraphicsDriverContentChanged() {
updateState(mPreference);
}
}
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