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settingswatcher.h
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settingswatcher.h
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/*
* Copyright (C) 2016 Jolla Ltd
* Contact: Andrew den Exter <andrew.den.exter@jolla.com>
*
* You may use this file under the terms of the BSD license as follows:
*
* "Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Nemo Mobile nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
*/
#ifndef NEMODEVICELOCK_SETTINGSWATCHER_H
#define NEMODEVICELOCK_SETTINGSWATCHER_H
#include <nemo-devicelock/authenticationinput.h>
#include <nemo-devicelock/devicereset.h>
#include <QMetaEnum>
#include <QSharedData>
#include <QSocketNotifier>
namespace NemoDeviceLock
{
QMetaEnum NEMODEVICELOCK_EXPORT resolveMetaEnum(const QMetaObject *metaObject, const char *name);
template <typename Enum> inline QMetaEnum resolveMetaEnum();
int NEMODEVICELOCK_EXPORT flagsFromString(const QMetaEnum &enumeration, const char *string);
template <typename Enum> inline QFlags<Enum> flagsFromString(const char *string) {
return QFlags<Enum>(flagsFromString(resolveMetaEnum<Enum>(), string)); }
template <typename T> inline T settingsValueFromString(const char *string);
template <> inline QMetaEnum resolveMetaEnum<DeviceReset::Option>() {
return resolveMetaEnum(&DeviceReset::staticMetaObject, "Option"); }
template <> inline DeviceReset::Options settingsValueFromString<DeviceReset::Options>(const char *string) {
return flagsFromString<DeviceReset::Option>(string); }
template <> inline QMetaEnum resolveMetaEnum<AuthenticationInput::CodeGeneration>() {
return resolveMetaEnum(&AuthenticationInput::staticMetaObject, "CodeGeneration"); }
template <> inline AuthenticationInput::CodeGeneration settingsValueFromString<AuthenticationInput::CodeGeneration>(const char *string) {
return AuthenticationInput::CodeGeneration(flagsFromString(resolveMetaEnum<AuthenticationInput::CodeGeneration>(), string)); }
class NEMODEVICELOCK_EXPORT SettingsWatcher : public QSocketNotifier, public QSharedData
{
Q_OBJECT
public:
~SettingsWatcher();
static SettingsWatcher *instance();
int automaticLocking;
int currentLength;
int minimumLength;
int maximumLength;
int maximumAttempts;
int currentAttempts;
int peekingAllowed;
int sideloadingAllowed;
int showNotifications;
int maximumAutomaticLocking;
int absoluteMaximumAttempts;
DeviceReset::Options supportedDeviceResetOptions;
AuthenticationInput::CodeGeneration codeGeneration;
bool inputIsKeyboard;
bool currentCodeIsDigitOnly;
bool isHomeEncrypted;
bool codeIsMandatory;
static const char * const automaticLockingKey;
static const char * const currentLengthKey;
static const char * const minimumLengthKey;
static const char * const maximumLengthKey;
static const char * const maximumAttemptsKey;
static const char * const currentAttemptsKey;
static const char * const peekingAllowedKey;
static const char * const sideloadingAllowedKey;
static const char * const showNotificationsKey;
static const char * const inputIsKeyboardKey;
static const char * const currentIsDigitOnlyKey;
static const char * const isHomeEncryptedKey;
bool event(QEvent *event);
signals:
void automaticLockingChanged();
void maximumAttemptsChanged();
void currentAttemptsChanged();
void currentLengthChanged();
void minimumLengthChanged();
void maximumLengthChanged();
void peekingAllowedChanged();
void sideloadingAllowedChanged();
void showNotificationsChanged();
void absoluteMaximumAttemptsChanged();
void maximumAutomaticLockingChanged();
void supportedDeviceResetOptionsChanged();
void inputIsKeyboardChanged();
void currentCodeIsDigitOnlyChanged();
void codeIsMandatoryChanged();
void codeGenerationChanged();
private:
explicit SettingsWatcher(QObject *parent = nullptr);
void reloadSettings();
QString m_settingsPath;
int m_watch;
static SettingsWatcher *sharedInstance;
};
}
#endif