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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 android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.Fragment;
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.support.v14.preference.SwitchPreference;
import android.support.v7.preference.Preference;
import android.text.format.Formatter;
import android.text.format.Time;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.EditText;
import android.widget.NumberPicker;
import android.widget.Spinner;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.settings.R;
import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
import com.android.settingslib.NetworkPolicyEditor;
import com.android.settingslib.net.DataUsageController;
import static android.net.NetworkPolicy.LIMIT_DISABLED;
import static android.net.NetworkPolicy.WARNING_DISABLED;
public class BillingCycleSettings extends DataUsageBase implements
Preference.OnPreferenceChangeListener, DataUsageEditController {
private static final String TAG = "BillingCycleSettings";
private static final boolean LOGD = false;
public static final long KB_IN_BYTES = 1000;
public static final long MB_IN_BYTES = KB_IN_BYTES * 1000;
public static final long GB_IN_BYTES = MB_IN_BYTES * 1000;
private static final long MAX_DATA_LIMIT_BYTES = 50000 * GB_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";
private NetworkTemplate mNetworkTemplate;
private Preference mBillingCycle;
private Preference mDataWarning;
private SwitchPreference mEnableDataWarning;
private SwitchPreference mEnableDataLimit;
private Preference mDataLimit;
private DataUsageController mDataUsageController;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mDataUsageController = new DataUsageController(getContext());
Bundle args = getArguments();
mNetworkTemplate = args.getParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE);
addPreferencesFromResource(R.xml.billing_cycle);
mBillingCycle = findPreference(KEY_BILLING_CYCLE);
mEnableDataWarning = (SwitchPreference) findPreference(KEY_SET_DATA_WARNING);
mEnableDataWarning.setOnPreferenceChangeListener(this);
mDataWarning = findPreference(KEY_DATA_WARNING);
mEnableDataLimit = (SwitchPreference) findPreference(KEY_SET_DATA_LIMIT);
mEnableDataLimit.setOnPreferenceChangeListener(this);
mDataLimit = findPreference(KEY_DATA_LIMIT);
}
@Override
public void onResume() {
super.onResume();
updatePrefs();
}
private void updatePrefs() {
NetworkPolicy policy = services.mPolicyEditor.getPolicy(mNetworkTemplate);
mBillingCycle.setSummary(getString(R.string.billing_cycle_fragment_summary, policy != null ?
policy.cycleDay : 1));
if (policy != null && policy.warningBytes != WARNING_DISABLED) {
mDataWarning.setSummary(Formatter.formatFileSize(getContext(), policy.warningBytes));
mDataWarning.setEnabled(true);
mEnableDataWarning.setChecked(true);
} else {
mDataWarning.setSummary(null);
mDataWarning.setEnabled(false);
mEnableDataWarning.setChecked(false);
}
if (policy != null && policy.limitBytes != LIMIT_DISABLED) {
mDataLimit.setSummary(Formatter.formatFileSize(getContext(), policy.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) {
CycleEditorFragment.show(this);
return true;
} else if (preference == mDataWarning) {
BytesEditorFragment.show(this, false);
return true;
} else if (preference == mDataLimit) {
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 MetricsEvent.BILLING_CYCLE;
}
@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));
return 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();
}
private void setupPicker(EditText bytesPicker, Spinner type) {
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 long bytes = isLimit ? editor.getPolicyLimitBytes(template)
: editor.getPolicyWarningBytes(template);
final long limitDisabled = isLimit ? LIMIT_DISABLED : WARNING_DISABLED;
if (bytes > 1.5f * GB_IN_BYTES) {
final String bytesText = formatText(bytes / (float) GB_IN_BYTES);
bytesPicker.setText(bytesText);
bytesPicker.setSelection(0, bytesText.length());
type.setSelection(1);
} else {
final String bytesText = formatText(bytes / (float) MB_IN_BYTES);
bytesPicker.setText(bytesText);
bytesPicker.setSelection(0, bytesText.length());
type.setSelection(0);
}
}
private String formatText(float v) {
v = Math.round(v * 100) / 100f;
return String.valueOf(v);
}
@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);
EditText bytesField = (EditText) mView.findViewById(R.id.bytes);
Spinner spinner = (Spinner) mView.findViewById(R.id.size_spinner);
String bytesString = bytesField.getText().toString();
if (bytesString.isEmpty()) {
bytesString = "0";
}
final long bytes = (long) (Float.valueOf(bytesString)
* (spinner.getSelectedItemPosition() == 0 ? MB_IN_BYTES : GB_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 MetricsEvent.DIALOG_BILLING_BYTE_LIMIT;
}
}
/**
* Dialog to edit {@link NetworkPolicy#cycleDay}.
*/
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 MetricsEvent.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);
return builder.setTitle(R.string.data_usage_cycle_editor_title)
.setView(view)
.setPositiveButton(R.string.data_usage_cycle_editor_positive, this)
.create();
}
@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 = new Time().timezone;
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 {
private static final String EXTRA_MESSAGE = "message";
@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 CharSequence message;
final long minLimitBytes = (long) (policy.warningBytes * FLOAT);
final long limitBytes;
// TODO: customize default limits based on network template
message = res.getString(R.string.data_usage_limit_dialog_mobile);
limitBytes = Math.max(5 * GB_IN_BYTES, minLimitBytes);
final Bundle args = new Bundle();
args.putCharSequence(EXTRA_MESSAGE, message);
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 MetricsEvent.DIALOG_BILLING_CONFIRM_LIMIT;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Context context = getActivity();
final CharSequence message = getArguments().getCharSequence(EXTRA_MESSAGE);
return new AlertDialog.Builder(context)
.setTitle(R.string.data_usage_limit_dialog_title)
.setMessage(message)
.setPositiveButton(android.R.string.ok, this)
.setNegativeButton(android.R.string.cancel, null)
.create();
}
@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();
}
}
}