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#ifndef METAWATCH_H
#define METAWATCH_H
#include <QtCore/QQueue>
#include <QtCore/QTimer>
#include <QtCore/QSettings>
#include <QtConnectivity/QBluetoothAddress>
#include <QtConnectivity/QBluetoothSocket>
#include <QtConnectivity/QBluetoothLocalDevice>
#include <QtSystemInfo/QSystemAlignedTimer>
#include <sowatch.h>
namespace sowatch
{
using QTM_PREPEND_NAMESPACE(QBluetoothSocket);
using QTM_PREPEND_NAMESPACE(QBluetoothAddress);
using QTM_PREPEND_NAMESPACE(QSystemAlignedTimer);
using QTM_PREPEND_NAMESPACE(QBluetoothLocalDevice);
class MetaWatchPaintEngine;
class MetaWatch : public Watch
{
Q_OBJECT
public:
explicit MetaWatch(ConfigKey *settings, QObject *parent = 0);
~MetaWatch();
static const int DelayBetweenMessages = 5;
static const int VibrateLength = 500;
static const int DelayBetweenRings = 2500;
static const int RingLength = 250;
enum MessageType {
NoMessage = 0,
GetDeviceType = 0x01,
GetDeviceTypeResponse = 0x02,
GetInformationString = 0x03,
GetInformationStringResponse = 0x04,
DiagnosticLoopback = 0x05,
WriteOledBuffer = 0x10,
ChangeOledMode = 0x12,
WriteOledScrollBuffer = 0x13,
AdvanceWatchHands = 0x20,
SetVibrateMode = 0x23,
SetRealTimeClock = 0x26,
GetRealTimeClock = 0x27,
GetRealTimeClockResponse = 0x28,
PropertyOperation = 0x30,
PropertyOperationResponse = 0x31,
StatusChangeEvent = 0x33,
ButtonEvent = 0x34,
GeneralPurposePhone = 0x35,
GeneralPurposeWatch = 0x36,
WriteLcdBuffer = 0x40,
ConfigureLcdIdleBufferSize = 0x42,
UpdateLcdDisplay = 0x43,
LoadLcdTemplate = 0x44,
EnableButton = 0x46,
DisableButton = 0x47,
BatteryConfiguration = 0x53,
LowBatteryWarning = 0x54,
LowBatteryBluetoothOff = 0x55,
ReadBatteryVoltage = 0x56,
ReadBatteryVoltageResponse = 0x57,
ReadLightSensor = 0x58,
ReadLightSensorResponse = 0x59,
ChangeMode = 0xa6
};
enum Mode {
IdleMode = 0,
ApplicationMode = 1,
NotificationMode = 2,
MusicMode = 3 // Please note that the music mode is currently not used
};
enum Button {
BtnA = 0,
BtnB,
BtnC,
BtnD,
BtnE,
BtnF
};
enum ButtonPress {
PressOnly = 0,
PressAndRelease = 1,
HoldAndRelease = 2,
LongHoldAndRelease = 3
};
QPaintEngine* paintEngine() const;
int metric(PaintDeviceMetric metric) const = 0;
QString model() const;
QStringList buttons() const;
bool isConnected() const;
bool busy() const;
void setDateTime(const QDateTime& dateTime);
void queryDateTime();
QDateTime dateTime() const;
void queryBatteryLevel();
int batteryLevel() const;
void queryCharging();
bool charging() const;
void displayIdleScreen();
void displayNotification(Notification *notification);
void displayApplication();
void vibrate(int msecs);
Mode currentMode() const;
Mode paintTargetMode() const;
QImage* imageFor(Mode mode);
QRect rectFor(Mode mode);
virtual void clear(Mode mode, bool black = false) = 0;
virtual void update(Mode mode, const QList<QRect>& rects = QList<QRect>()) = 0;
void grabButton(Mode mode, Button button);
void ungrabButton(Mode mode, Button button);
protected:
// Base watch protocol stuff
struct Message {
MessageType type;
quint8 options;
QByteArray data;
Message(MessageType ntype = NoMessage, QByteArray ndata = QByteArray(), quint8 noptions = 0) :
type(ntype), options(noptions), data(ndata)
{ }
};
protected:
ConfigKey *_settings;
// Some configurable stuff.
short _notificationTimeout;
bool _24hMode : 1;
bool _dayMonthOrder : 1;
bool _showSeconds : 1;
bool _separationLines : 1;
bool _autoBacklight : 1;
// Notifications: timers
QTimer* _idleTimer;
QTimer* _ringTimer;
// Buttons
static const char btnToWatch[8];
QStringList _buttonNames;
// Current watch state
/** The watch's currently displayed date & time. */
QDateTime _watchTime;
/** The current watch battery level (from 0 to 100). */
short _watchBattery;
/** Whether the watch is currently charging. */
bool _watchCharging;
/** The watch's current display mode. */
Mode _currentMode;
/** The mode where paint operations done using QPaintDevice go into */
Mode _paintMode;
// Required by QPaintDevice
mutable MetaWatchPaintEngine* _paintEngine;
/** The framebuffers for each of the watch modes */
QImage _image[3];
// Timers to retry the connection when the watch is not found.
static const int connectRetryTimesSize = 6;
static const int connectRetryTimes[connectRetryTimesSize];
short _connectRetries;
bool _connected;
QTimer* _connectTimer;
QSystemAlignedTimer* _connectAlignedTimer;
// Connection stuff
QBluetoothLocalDevice* _localDev;
QBluetoothAddress _address;
QBluetoothSocket* _socket;
/** The "packets to be sent" asynchronous queue **/
QQueue<Message> _toSend;
QTimer* _sendTimer;
Message _partialReceived;
/** Used to calculate CRC */
static const quint8 bitRevTable[16];
static const quint16 crcTable[256];
static quint16 calcCrc(const QByteArray& data, int size);
static quint16 calcCrc(const Message& msg);
/** Start the initial connection attempt, reset failed connection timers. */
void scheduleConnect();
/** Schedule an new connection attempt, consider the current one failed. */
void scheduleRetryConnect();
/** Cancel any pending connection attempts. */
void unscheduleConnect();
/** Attempt a connection to the watch right now. */
virtual void connectToWatch();
/** Sends a message to the watch. Does not block. */
virtual void send(const Message& msg);
/** Sends a message to the watch if a message of the same type is not
* already queued. Does not block.
*/
void sendIfNotQueued(const Message& msg);
/* Some functions that wrap sending some watch messages. */
void updateWatchProperties();
void setVibrateMode(bool enable, uint on, uint off, uint cycles);
void updateLcdLine(Mode mode, const QImage& image, int line);
void updateLcdLines(Mode mode, const QImage& image, int lineA, int lineB);
void updateLcdLines(Mode mode, const QImage& image, const QVector<bool>& lines);
void configureLcdIdleSystemArea(bool entireScreen);
void updateLcdDisplay(Mode mode, int startRow = 0, int numRows = 0);
void loadLcdTemplate(Mode mode, int templ);
void changeMode(Mode mode);
void enableButton(Mode mode, Button button, ButtonPress press);
void disableButton(Mode mode, Button button, ButtonPress press);
void handleMessage(const Message& msg);
void handleDeviceTypeMessage(const Message& msg);
void handleRealTimeClockMessage(const Message& msg);
void handlePropertyOperationMessage(const Message& msg);
void handleStatusChangeMessage(const Message& msg);
void handleButtonEventMessage(const Message& msg);
void handleBatteryVoltageMessage(const Message& msg);
/** To be overriden; should configure a newly connected watch. */
virtual void handleWatchConnected() = 0;
private slots:
void settingChanged(const QString& key);
void localDevModeChanged(QBluetoothLocalDevice::HostMode state);
void socketConnected();
void socketDisconnected();
void socketData();
void socketError(QBluetoothSocket::SocketError error);
void socketState(QBluetoothSocket::SocketState error);
void timedReconnect();
void timedSend();
void timedRing();
private:
void realSend(const Message& msg);
void realReceive(bool block);
};
}
#endif // METAWATCH_H
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