| /* |
| * Copyright (C) 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.car.settings.datausage; |
| |
| import static android.net.NetworkPolicy.LIMIT_DISABLED; |
| import static android.net.NetworkPolicy.WARNING_DISABLED; |
| |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.Context; |
| import android.os.Bundle; |
| |
| import androidx.annotation.Nullable; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceGroup; |
| import androidx.preference.TwoStatePreference; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.common.ConfirmationDialogFragment; |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.datausage.UsageBytesThresholdPickerDialog.BytesThresholdPickedListener; |
| |
| /** Controls setting the data limit threshold. */ |
| public class DataLimitPreferenceController extends |
| DataWarningAndLimitBasePreferenceController<PreferenceGroup> implements |
| Preference.OnPreferenceChangeListener, ConfirmationDialogFragment.ConfirmListener, |
| Preference.OnPreferenceClickListener { |
| |
| @VisibleForTesting |
| static final float LIMIT_BYTES_MULTIPLIER = 1.2f; |
| private static final long GIB_IN_BYTES = 1024 * 1024 * 1024; |
| |
| private final BytesThresholdPickedListener mThresholdPickedListener = numBytes -> { |
| getNetworkPolicyEditor().setPolicyLimitBytes(getNetworkTemplate(), numBytes); |
| refreshUi(); |
| }; |
| |
| private TwoStatePreference mEnableDataLimitPreference; |
| private Preference mSetDataLimitPreference; |
| |
| public DataLimitPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| } |
| |
| @Override |
| protected Class<PreferenceGroup> getPreferenceType() { |
| return PreferenceGroup.class; |
| } |
| |
| @Override |
| protected void onCreateInternal() { |
| mEnableDataLimitPreference = (TwoStatePreference) getPreference().findPreference( |
| getContext().getString(R.string.pk_data_set_limit)); |
| mEnableDataLimitPreference.setOnPreferenceChangeListener(this); |
| mSetDataLimitPreference = getPreference().findPreference( |
| getContext().getString(R.string.pk_data_limit)); |
| mSetDataLimitPreference.setOnPreferenceClickListener(this); |
| |
| ConfirmationDialogFragment.resetListeners( |
| (ConfirmationDialogFragment) getFragmentController().findDialogByTag( |
| ConfirmationDialogFragment.TAG), |
| /* confirmListener= */ this, |
| /* rejectListener= */ null); |
| |
| UsageBytesThresholdPickerDialog dialog = |
| (UsageBytesThresholdPickerDialog) getFragmentController().findDialogByTag( |
| UsageBytesThresholdPickerDialog.TAG); |
| if (dialog != null) { |
| dialog.setBytesThresholdPickedListener(mThresholdPickedListener); |
| } |
| } |
| |
| @Override |
| protected void updateState(PreferenceGroup preference) { |
| long limitBytes = getNetworkPolicyEditor().getPolicyLimitBytes(getNetworkTemplate()); |
| |
| if (limitBytes == LIMIT_DISABLED) { |
| mEnableDataLimitPreference.setChecked(false); |
| mSetDataLimitPreference.setSummary(null); |
| } else { |
| mEnableDataLimitPreference.setChecked(true); |
| mSetDataLimitPreference.setSummary( |
| DataUsageUtils.bytesToIecUnits(getContext(), limitBytes)); |
| } |
| mSetDataLimitPreference.setEnabled(mEnableDataLimitPreference.isChecked()); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| boolean enabled = (Boolean) newValue; |
| if (!enabled) { |
| getNetworkPolicyEditor().setPolicyLimitBytes(getNetworkTemplate(), LIMIT_DISABLED); |
| refreshUi(); |
| return true; |
| } |
| |
| ConfirmationDialogFragment dialogFragment = |
| new ConfirmationDialogFragment.Builder(getContext()) |
| .setTitle(R.string.data_usage_limit_dialog_title) |
| .setMessage(R.string.data_usage_limit_dialog_mobile) |
| .setPositiveButton(android.R.string.ok, this) |
| .setNegativeButton(android.R.string.cancel, null) |
| .build(); |
| getFragmentController().showDialog(dialogFragment, ConfirmationDialogFragment.TAG); |
| |
| // This preference is enabled / disabled by ConfirmationDialogFragment. |
| return false; |
| } |
| |
| @Override |
| public void onConfirm(@Nullable Bundle arguments) { |
| long warningBytes = getNetworkPolicyEditor().getPolicyWarningBytes(getNetworkTemplate()); |
| long minLimitBytes = 0; |
| if (warningBytes != WARNING_DISABLED) { |
| minLimitBytes = (long) (warningBytes * LIMIT_BYTES_MULTIPLIER); |
| } |
| |
| long limitBytes = Math.max(5 * GIB_IN_BYTES, minLimitBytes); |
| |
| getNetworkPolicyEditor().setPolicyLimitBytes(getNetworkTemplate(), limitBytes); |
| refreshUi(); |
| } |
| |
| @Override |
| public boolean onPreferenceClick(Preference preference) { |
| UsageBytesThresholdPickerDialog dialog = UsageBytesThresholdPickerDialog.newInstance( |
| R.string.data_usage_limit_editor_title, |
| getNetworkPolicyEditor().getPolicyLimitBytes(getNetworkTemplate())); |
| dialog.setBytesThresholdPickedListener(mThresholdPickedListener); |
| getFragmentController().showDialog(dialog, UsageBytesThresholdPickerDialog.TAG); |
| return true; |
| } |
| } |