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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.datausage;
import static android.net.NetworkPolicy.LIMIT_DISABLED;
import static android.net.NetworkPolicy.WARNING_DISABLED;
import android.app.Dialog;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.Resources;
import android.net.NetworkPolicy;
import android.net.NetworkTemplate;
import android.os.Bundle;
import android.provider.Settings;
import android.text.method.NumberKeyListener;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.NumberPicker;
import android.widget.Spinner;
import androidx.annotation.VisibleForTesting;
import androidx.appcompat.app.AlertDialog;
import androidx.fragment.app.Fragment;
import androidx.preference.Preference;
import androidx.preference.TwoStatePreference;
import com.android.settings.R;
import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
import com.android.settings.datausage.lib.NetworkTemplates;
import com.android.settings.network.SubscriptionUtil;
import com.android.settings.network.telephony.MobileNetworkUtils;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settingslib.NetworkPolicyEditor;
import com.android.settingslib.net.DataUsageController;
import com.android.settingslib.search.SearchIndexable;
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Optional;
import java.util.TimeZone;
@SearchIndexable
public class BillingCycleSettings extends DataUsageBaseFragment implements
Preference.OnPreferenceChangeListener, DataUsageEditController {
private static final String TAG = "BillingCycleSettings";
private static final boolean LOGD = false;
public static final long MIB_IN_BYTES = 1024 * 1024;
public static final long GIB_IN_BYTES = MIB_IN_BYTES * 1024;
private static final long MAX_DATA_LIMIT_BYTES = 50000 * GIB_IN_BYTES;
private static final String TAG_CONFIRM_LIMIT = "confirmLimit";
private static final String TAG_CYCLE_EDITOR = "cycleEditor";
private static final String TAG_WARNING_EDITOR = "warningEditor";
private static final String KEY_BILLING_CYCLE = "billing_cycle";
private static final String KEY_SET_DATA_WARNING = "set_data_warning";
private static final String KEY_DATA_WARNING = "data_warning";
@VisibleForTesting
static final String KEY_SET_DATA_LIMIT = "set_data_limit";
private static final String KEY_DATA_LIMIT = "data_limit";
@VisibleForTesting
NetworkTemplate mNetworkTemplate;
private Preference mBillingCycle;
private Preference mDataWarning;
private TwoStatePreference mEnableDataWarning;
private TwoStatePreference mEnableDataLimit;
private Preference mDataLimit;
private DataUsageController mDataUsageController;
@VisibleForTesting
void setUpForTest(NetworkPolicyEditor policyEditor,
Preference billingCycle,
Preference dataLimit,
Preference dataWarning,
TwoStatePreference enableLimit,
TwoStatePreference enableWarning) {
services.mPolicyEditor = policyEditor;
mBillingCycle = billingCycle;
mDataLimit = dataLimit;
mDataWarning = dataWarning;
mEnableDataLimit = enableLimit;
mEnableDataWarning = enableWarning;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
final Context context = getContext();
if (!SubscriptionUtil.isSimHardwareVisible(context)) {
finish();
return;
}
mDataUsageController = new DataUsageController(context);
Bundle args = getArguments();
mNetworkTemplate = args.getParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE);
if (mNetworkTemplate == null && getIntent() != null) {
mNetworkTemplate = getIntent().getParcelableExtra(Settings.EXTRA_NETWORK_TEMPLATE);
}
if (mNetworkTemplate == null) {
Optional<NetworkTemplate> mobileNetworkTemplateFromSim =
DataUsageUtils.getMobileNetworkTemplateFromSubId(context, getIntent());
if (mobileNetworkTemplateFromSim.isPresent()) {
mNetworkTemplate = mobileNetworkTemplateFromSim.get();
}
}
if (mNetworkTemplate == null) {
mNetworkTemplate = NetworkTemplates.INSTANCE.getDefaultTemplate(context);
}
mBillingCycle = findPreference(KEY_BILLING_CYCLE);
mEnableDataWarning = (TwoStatePreference) findPreference(KEY_SET_DATA_WARNING);
mEnableDataWarning.setOnPreferenceChangeListener(this);
mDataWarning = findPreference(KEY_DATA_WARNING);
mEnableDataLimit = (TwoStatePreference) findPreference(KEY_SET_DATA_LIMIT);
mEnableDataLimit.setOnPreferenceChangeListener(this);
mDataLimit = findPreference(KEY_DATA_LIMIT);
}
@Override
public void onResume() {
super.onResume();
updatePrefs();
}
@VisibleForTesting
void updatePrefs() {
mBillingCycle.setSummary(null);
final long warningBytes = services.mPolicyEditor.getPolicyWarningBytes(mNetworkTemplate);
if (warningBytes != WARNING_DISABLED) {
mDataWarning.setSummary(DataUsageUtils.formatDataUsage(getContext(), warningBytes));
mDataWarning.setEnabled(true);
mEnableDataWarning.setChecked(true);
} else {
mDataWarning.setSummary(null);
mDataWarning.setEnabled(false);
mEnableDataWarning.setChecked(false);
}
final long limitBytes = services.mPolicyEditor.getPolicyLimitBytes(mNetworkTemplate);
if (limitBytes != LIMIT_DISABLED) {
mDataLimit.setSummary(DataUsageUtils.formatDataUsage(getContext(), limitBytes));
mDataLimit.setEnabled(true);
mEnableDataLimit.setChecked(true);
} else {
mDataLimit.setSummary(null);
mDataLimit.setEnabled(false);
mEnableDataLimit.setChecked(false);
}
}
@Override
public boolean onPreferenceTreeClick(Preference preference) {
if (preference == mBillingCycle) {
writePreferenceClickMetric(preference);
CycleEditorFragment.show(this);
return true;
} else if (preference == mDataWarning) {
writePreferenceClickMetric(preference);
BytesEditorFragment.show(this, false);
return true;
} else if (preference == mDataLimit) {
writePreferenceClickMetric(preference);
BytesEditorFragment.show(this, true);
return true;
}
return super.onPreferenceTreeClick(preference);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (mEnableDataLimit == preference) {
boolean enabled = (Boolean) newValue;
if (!enabled) {
setPolicyLimitBytes(LIMIT_DISABLED);
return true;
}
ConfirmLimitFragment.show(this);
// This preference is enabled / disabled by ConfirmLimitFragment.
return false;
} else if (mEnableDataWarning == preference) {
boolean enabled = (Boolean) newValue;
if (enabled) {
setPolicyWarningBytes(mDataUsageController.getDefaultWarningLevel());
} else {
setPolicyWarningBytes(WARNING_DISABLED);
}
return true;
}
return false;
}
@Override
public int getMetricsCategory() {
return SettingsEnums.BILLING_CYCLE;
}
@Override
protected int getPreferenceScreenResId() {
return R.xml.billing_cycle;
}
@Override
protected String getLogTag() {
return TAG;
}
@VisibleForTesting
void setPolicyLimitBytes(long limitBytes) {
if (LOGD) Log.d(TAG, "setPolicyLimitBytes()");
services.mPolicyEditor.setPolicyLimitBytes(mNetworkTemplate, limitBytes);
updatePrefs();
}
private void setPolicyWarningBytes(long warningBytes) {
if (LOGD) Log.d(TAG, "setPolicyWarningBytes()");
services.mPolicyEditor.setPolicyWarningBytes(mNetworkTemplate, warningBytes);
updatePrefs();
}
@Override
public NetworkPolicyEditor getNetworkPolicyEditor() {
return services.mPolicyEditor;
}
@Override
public NetworkTemplate getNetworkTemplate() {
return mNetworkTemplate;
}
@Override
public void updateDataUsage() {
updatePrefs();
}
/**
* Dialog to edit {@link NetworkPolicy#warningBytes}.
*/
public static class BytesEditorFragment extends InstrumentedDialogFragment
implements DialogInterface.OnClickListener {
private static final String EXTRA_TEMPLATE = "template";
private static final String EXTRA_LIMIT = "limit";
private View mView;
public static void show(DataUsageEditController parent, boolean isLimit) {
if (!(parent instanceof Fragment)) {
return;
}
Fragment targetFragment = (Fragment) parent;
if (!targetFragment.isAdded()) {
return;
}
final Bundle args = new Bundle();
args.putParcelable(EXTRA_TEMPLATE, parent.getNetworkTemplate());
args.putBoolean(EXTRA_LIMIT, isLimit);
final BytesEditorFragment dialog = new BytesEditorFragment();
dialog.setArguments(args);
dialog.setTargetFragment(targetFragment, 0);
dialog.show(targetFragment.getFragmentManager(), TAG_WARNING_EDITOR);
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Context context = getActivity();
final LayoutInflater dialogInflater = LayoutInflater.from(context);
final boolean isLimit = getArguments().getBoolean(EXTRA_LIMIT);
mView = dialogInflater.inflate(R.layout.data_usage_bytes_editor, null, false);
setupPicker((EditText) mView.findViewById(R.id.bytes),
(Spinner) mView.findViewById(R.id.size_spinner));
Dialog dialog = new AlertDialog.Builder(context)
.setTitle(isLimit ? R.string.data_usage_limit_editor_title
: R.string.data_usage_warning_editor_title)
.setView(mView)
.setPositiveButton(R.string.data_usage_cycle_editor_positive, this)
.create();
dialog.setCanceledOnTouchOutside(false);
return dialog;
}
private void setupPicker(EditText bytesPicker, Spinner type) {
final DataUsageEditController target = (DataUsageEditController) getTargetFragment();
final NetworkPolicyEditor editor = target.getNetworkPolicyEditor();
bytesPicker.setKeyListener(new NumberKeyListener() {
protected char[] getAcceptedChars() {
return new char [] {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
',', '.'};
}
public int getInputType() {
return EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_FLAG_DECIMAL;
}
});
final NetworkTemplate template = getArguments().getParcelable(EXTRA_TEMPLATE);
final boolean isLimit = getArguments().getBoolean(EXTRA_LIMIT);
final long bytes = isLimit ? editor.getPolicyLimitBytes(template)
: editor.getPolicyWarningBytes(template);
final String[] unitNames = new String[] {
DataUsageFormatter.INSTANCE.getBytesDisplayUnit(getResources(), MIB_IN_BYTES),
DataUsageFormatter.INSTANCE.getBytesDisplayUnit(getResources(), GIB_IN_BYTES),
};
final ArrayAdapter<String> adapter = new ArrayAdapter<String>(
getContext(), android.R.layout.simple_spinner_item, unitNames);
type.setAdapter(adapter);
final boolean unitInGigaBytes = (bytes > 1.5f * GIB_IN_BYTES);
final String bytesText = formatText(bytes,
unitInGigaBytes ? GIB_IN_BYTES : MIB_IN_BYTES);
bytesPicker.setText(bytesText);
bytesPicker.setSelection(0, bytesText.length());
type.setSelection(unitInGigaBytes ? 1 : 0);
}
private String formatText(double v, double unitInBytes) {
final NumberFormat formatter = NumberFormat.getNumberInstance();
formatter.setMaximumFractionDigits(2);
return formatter.format((double) (v / unitInBytes));
}
@Override
public void onClick(DialogInterface dialog, int which) {
if (which != DialogInterface.BUTTON_POSITIVE) {
return;
}
final DataUsageEditController target = (DataUsageEditController) getTargetFragment();
final NetworkPolicyEditor editor = target.getNetworkPolicyEditor();
final NetworkTemplate template = getArguments().getParcelable(EXTRA_TEMPLATE);
final boolean isLimit = getArguments().getBoolean(EXTRA_LIMIT);
final EditText bytesField = (EditText) mView.findViewById(R.id.bytes);
final Spinner spinner = (Spinner) mView.findViewById(R.id.size_spinner);
final String bytesString = bytesField.getText().toString();
final NumberFormat formatter = NumberFormat.getNumberInstance();
Number number = null;
try {
number = formatter.parse(bytesString);
} catch (ParseException ex) {
}
long bytes = 0L;
if (number != null) {
bytes = (long) (number.floatValue()
* (spinner.getSelectedItemPosition() == 0 ? MIB_IN_BYTES : GIB_IN_BYTES));
}
// to fix the overflow problem
final long correctedBytes = Math.min(MAX_DATA_LIMIT_BYTES, bytes);
if (isLimit) {
editor.setPolicyLimitBytes(template, correctedBytes);
} else {
editor.setPolicyWarningBytes(template, correctedBytes);
}
target.updateDataUsage();
}
@Override
public int getMetricsCategory() {
return SettingsEnums.DIALOG_BILLING_BYTE_LIMIT;
}
}
/**
* Dialog to edit {@link NetworkPolicy}.
*/
public static class CycleEditorFragment extends InstrumentedDialogFragment implements
DialogInterface.OnClickListener {
private static final String EXTRA_TEMPLATE = "template";
private NumberPicker mCycleDayPicker;
public static void show(BillingCycleSettings parent) {
if (!parent.isAdded()) return;
final Bundle args = new Bundle();
args.putParcelable(EXTRA_TEMPLATE, parent.mNetworkTemplate);
final CycleEditorFragment dialog = new CycleEditorFragment();
dialog.setArguments(args);
dialog.setTargetFragment(parent, 0);
dialog.show(parent.getFragmentManager(), TAG_CYCLE_EDITOR);
}
@Override
public int getMetricsCategory() {
return SettingsEnums.DIALOG_BILLING_CYCLE;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Context context = getActivity();
final DataUsageEditController target = (DataUsageEditController) getTargetFragment();
final NetworkPolicyEditor editor = target.getNetworkPolicyEditor();
final AlertDialog.Builder builder = new AlertDialog.Builder(context);
final LayoutInflater dialogInflater = LayoutInflater.from(builder.getContext());
final View view = dialogInflater.inflate(R.layout.data_usage_cycle_editor, null, false);
mCycleDayPicker = (NumberPicker) view.findViewById(R.id.cycle_day);
final NetworkTemplate template = getArguments().getParcelable(EXTRA_TEMPLATE);
final int cycleDay = editor.getPolicyCycleDay(template);
mCycleDayPicker.setMinValue(1);
mCycleDayPicker.setMaxValue(31);
mCycleDayPicker.setValue(cycleDay);
mCycleDayPicker.setWrapSelectorWheel(true);
Dialog dialog = builder.setTitle(R.string.data_usage_cycle_editor_title)
.setView(view)
.setPositiveButton(R.string.data_usage_cycle_editor_positive, this)
.create();
dialog.setCanceledOnTouchOutside(false);
return dialog;
}
@Override
public void onClick(DialogInterface dialog, int which) {
final NetworkTemplate template = getArguments().getParcelable(EXTRA_TEMPLATE);
final DataUsageEditController target = (DataUsageEditController) getTargetFragment();
final NetworkPolicyEditor editor = target.getNetworkPolicyEditor();
// clear focus to finish pending text edits
mCycleDayPicker.clearFocus();
final int cycleDay = mCycleDayPicker.getValue();
final String cycleTimezone = TimeZone.getDefault().getID();
editor.setPolicyCycleDay(template, cycleDay, cycleTimezone);
target.updateDataUsage();
}
}
/**
* Dialog to request user confirmation before setting
* {@link NetworkPolicy#limitBytes}.
*/
public static class ConfirmLimitFragment extends InstrumentedDialogFragment implements
DialogInterface.OnClickListener {
@VisibleForTesting
static final String EXTRA_LIMIT_BYTES = "limitBytes";
public static final float FLOAT = 1.2f;
public static void show(BillingCycleSettings parent) {
if (!parent.isAdded()) return;
final NetworkPolicy policy = parent.services.mPolicyEditor
.getPolicy(parent.mNetworkTemplate);
if (policy == null) return;
final Resources res = parent.getResources();
final long minLimitBytes = (long) (policy.warningBytes * FLOAT);
final long limitBytes;
// TODO: customize default limits based on network template
limitBytes = Math.max(5 * GIB_IN_BYTES, minLimitBytes);
final Bundle args = new Bundle();
args.putLong(EXTRA_LIMIT_BYTES, limitBytes);
final ConfirmLimitFragment dialog = new ConfirmLimitFragment();
dialog.setArguments(args);
dialog.setTargetFragment(parent, 0);
dialog.show(parent.getFragmentManager(), TAG_CONFIRM_LIMIT);
}
@Override
public int getMetricsCategory() {
return SettingsEnums.DIALOG_BILLING_CONFIRM_LIMIT;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Context context = getActivity();
Dialog dialog = new AlertDialog.Builder(context)
.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)
.create();
dialog.setCanceledOnTouchOutside(false);
return dialog;
}
@Override
public void onClick(DialogInterface dialog, int which) {
final BillingCycleSettings target = (BillingCycleSettings) getTargetFragment();
if (which != DialogInterface.BUTTON_POSITIVE) return;
final long limitBytes = getArguments().getLong(EXTRA_LIMIT_BYTES);
if (target != null) {
target.setPolicyLimitBytes(limitBytes);
}
target.getPreferenceManager().getSharedPreferences().edit()
.putBoolean(KEY_SET_DATA_LIMIT, true).apply();
}
}
public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider(R.xml.billing_cycle) {
@Override
protected boolean isPageSearchEnabled(Context context) {
return (!MobileNetworkUtils.isMobileNetworkUserRestricted(context))
&& SubscriptionUtil.isSimHardwareVisible(context)
&& DataUsageUtils.hasMobileData(context);
}
};
}