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/**
* Copyright (C) 2017 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.deviceinfo.storage;
import android.app.ActivityManager;
import android.app.FragmentManager;
import android.content.Context;
import android.os.SystemProperties;
import android.provider.Settings;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.PreferenceScreen;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.deletionhelper.ActivationWarningFragment;
import com.android.settings.widget.MasterSwitchController;
import com.android.settings.widget.MasterSwitchPreference;
import com.android.settings.widget.SwitchWidgetController;
import com.android.settingslib.Utils;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnResume;
public class AutomaticStorageManagementSwitchPreferenceController extends
AbstractPreferenceController implements PreferenceControllerMixin, LifecycleObserver,
OnResume, SwitchWidgetController.OnSwitchChangeListener {
private static final String KEY_TOGGLE_ASM = "toggle_asm";
@VisibleForTesting
static final String STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY = "ro.storage_manager.enabled";
private MasterSwitchPreference mSwitch;
private MasterSwitchController mSwitchController;
private final MetricsFeatureProvider mMetricsFeatureProvider;
private final FragmentManager mFragmentManager;
public AutomaticStorageManagementSwitchPreferenceController(Context context,
MetricsFeatureProvider metricsFeatureProvider, FragmentManager fragmentManager) {
super(context);
mMetricsFeatureProvider = metricsFeatureProvider;
mFragmentManager = fragmentManager;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mSwitch = (MasterSwitchPreference) screen.findPreference(KEY_TOGGLE_ASM);
}
@Override
public boolean isAvailable() {
return !ActivityManager.isLowRamDeviceStatic();
}
@Override
public String getPreferenceKey() {
return KEY_TOGGLE_ASM;
}
@Override
public void onResume() {
if (!isAvailable()) {
return;
}
mSwitch.setChecked(Utils.isStorageManagerEnabled(mContext));
if (mSwitch != null) {
mSwitchController = new MasterSwitchController(mSwitch);
mSwitchController.setListener(this);
mSwitchController.startListening();
}
}
@Override
public boolean onSwitchToggled(boolean isChecked) {
mMetricsFeatureProvider.action(mContext,
MetricsEvent.ACTION_TOGGLE_STORAGE_MANAGER, isChecked);
Settings.Secure.putInt(mContext.getContentResolver(),
Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED,
isChecked ? 1 : 0);
final boolean storageManagerEnabledByDefault =
SystemProperties.getBoolean(STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY, false);
final boolean storageManagerDisabledByPolicy =
Settings.Secure.getInt(
mContext.getContentResolver(),
Settings.Secure.AUTOMATIC_STORAGE_MANAGER_TURNED_OFF_BY_POLICY,
0)
!= 0;
// Show warning if it is disabled by default and turning it on or if it was disabled by
// policy and we're turning it on.
if ((isChecked && (!storageManagerEnabledByDefault || storageManagerDisabledByPolicy))) {
ActivationWarningFragment fragment = ActivationWarningFragment.newInstance();
fragment.show(mFragmentManager, ActivationWarningFragment.TAG);
}
return true;
}
}
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