summaryrefslogtreecommitdiff
path: root/src/bluetooth/qlowenergycontroller_winrt_p.h
blob: dc9c323593f61d14f89b84f68a94ff85bf9d86ed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QLOWENERGYCONTROLLERPRIVATEWINRT_P_H
#define QLOWENERGYCONTROLLERPRIVATEWINRT_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <qglobal.h>
#include <QtCore/QList>
#include <QtCore/QQueue>
#include <QtBluetooth/qbluetooth.h>
#include <QtBluetooth/qlowenergycharacteristic.h>
#include <QtBluetooth/qlowenergyservicedata.h>
#include "qlowenergycontroller.h"
#include "qlowenergycontrollerbase_p.h"

namespace ABI {
    namespace Windows {
        namespace Devices {
            namespace Bluetooth {
                struct IBluetoothLEDevice;
            }
        }
        namespace Foundation {
            template <typename T> struct IAsyncOperation;
            enum class AsyncStatus;
        }
    }
}

#include <wrl.h>
#include <windows.devices.bluetooth.genericattributeprofile.h>

#include <functional>

QT_BEGIN_NAMESPACE

class QLowEnergyServiceData;
class QTimer;

extern void registerQLowEnergyControllerMetaType();

class QLowEnergyControllerPrivateWinRT final : public QLowEnergyControllerPrivate
{
    Q_OBJECT
public:
    QLowEnergyControllerPrivateWinRT();
    ~QLowEnergyControllerPrivateWinRT() override;

    void init() override;

    void connectToDevice() override;
    void disconnectFromDevice() override;

    void discoverServices() override;
    void discoverServiceDetails(const QBluetoothUuid &service,
                                QLowEnergyService::DiscoveryMode mode) override;

    void startAdvertising(const QLowEnergyAdvertisingParameters &params,
                          const QLowEnergyAdvertisingData &advertisingData,
                          const QLowEnergyAdvertisingData &scanResponseData) override;
    void stopAdvertising() override;

    void requestConnectionUpdate(const QLowEnergyConnectionParameters &params) override;

    // read data
    void readCharacteristic(const QSharedPointer<QLowEnergyServicePrivate> service,
                            const QLowEnergyHandle charHandle) override;
    void readDescriptor(const QSharedPointer<QLowEnergyServicePrivate> service,
                        const QLowEnergyHandle charHandle,
                        const QLowEnergyHandle descriptorHandle) override;

    // write data
    void writeCharacteristic(const QSharedPointer<QLowEnergyServicePrivate> service,
                             const QLowEnergyHandle charHandle,
                             const QByteArray &newValue, QLowEnergyService::WriteMode mode) override;
    void writeDescriptor(const QSharedPointer<QLowEnergyServicePrivate> service,
                         const QLowEnergyHandle charHandle,
                         const QLowEnergyHandle descriptorHandle,
                         const QByteArray &newValue) override;

    void addToGenericAttributeList(const QLowEnergyServiceData &service,
                                   QLowEnergyHandle startHandle) override;

    int mtu() const override;

signals:
    void characteristicChanged(quint16 charHandle, const QByteArray &data);
    void abortConnection();

private slots:
    void handleCharacteristicChanged(quint16 charHandle, const QByteArray &data);
    void handleServiceHandlerError(const QString &error);

private:
    void handleConnectionError(const char *logMessage);

    Microsoft::WRL::ComPtr<ABI::Windows::Devices::Bluetooth::IBluetoothLEDevice> mDevice;
    Microsoft::WRL::ComPtr<ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattSession>
            mGattSession;
    EventRegistrationToken mStatusChangedToken;
    EventRegistrationToken mMtuChangedToken;
    struct ValueChangedEntry {
        ValueChangedEntry() {}
        ValueChangedEntry(Microsoft::WRL::ComPtr<ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattCharacteristic> c,
                          EventRegistrationToken t)
            : characteristic(c)
            , token(t)
        {
        }

        Microsoft::WRL::ComPtr<ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattCharacteristic> characteristic;
        EventRegistrationToken token;
    };
    QList<ValueChangedEntry> mValueChangedTokens;

    using GattDeviceServiceComPtr = Microsoft::WRL::ComPtr<ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattDeviceService>;
    QMap<QBluetoothUuid, GattDeviceServiceComPtr> m_openedServices;
    QSet<QBluetoothUuid> m_requestDetailsServiceUuids;

    using NativeServiceCallback = std::function<void(GattDeviceServiceComPtr)>;
    HRESULT getNativeService(const QBluetoothUuid &serviceUuid, NativeServiceCallback callback);

    using GattCharacteristicComPtr = Microsoft::WRL::ComPtr<ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattCharacteristic>;
    using NativeCharacteristicCallback = std::function<void(GattCharacteristicComPtr)>;
    HRESULT getNativeCharacteristic(const QBluetoothUuid &serviceUuid,
                                    const QBluetoothUuid &charUuid,
                                    NativeCharacteristicCallback callback);

    void registerForValueChanges(const QBluetoothUuid &serviceUuid, const QBluetoothUuid &charUuid);
    void unregisterFromValueChanges();
    HRESULT onValueChange(ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattCharacteristic *characteristic,
                          ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattValueChangedEventArgs *args);
    HRESULT onMtuChange(ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattSession *session,
                        IInspectable *args);
    bool registerForMtuChanges();
    void unregisterFromMtuChanges();

    bool registerForStatusChanges();
    void unregisterFromStatusChanges();
    HRESULT onStatusChange(ABI::Windows::Devices::Bluetooth::IBluetoothLEDevice *dev, IInspectable *);

    void obtainIncludedServices(QSharedPointer<QLowEnergyServicePrivate> servicePointer,
        Microsoft::WRL::ComPtr<ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::IGattDeviceService> nativeService);
    HRESULT onServiceDiscoveryFinished(ABI::Windows::Foundation::IAsyncOperation<ABI::Windows::Devices::Bluetooth::GenericAttributeProfile::GattDeviceServicesResult *> *op,
                                       ABI::Windows::Foundation::AsyncStatus status);

    void readCharacteristicHelper(const QSharedPointer<QLowEnergyServicePrivate> service,
                                  const QLowEnergyHandle charHandle,
                                  GattCharacteristicComPtr characteristic);
    void readDescriptorHelper(const QSharedPointer<QLowEnergyServicePrivate> service,
                              const QLowEnergyHandle charHandle,
                              const QLowEnergyHandle descriptorHandle,
                              GattCharacteristicComPtr characteristic);
    void writeCharacteristicHelper(const QSharedPointer<QLowEnergyServicePrivate> service,
                                   const QLowEnergyHandle charHandle, const QByteArray &newValue,
                                   bool writeWithResponse,
                                   GattCharacteristicComPtr characteristic);
    void writeDescriptorHelper(const QSharedPointer<QLowEnergyServicePrivate> service,
                               const QLowEnergyHandle charHandle,
                               const QLowEnergyHandle descriptorHandle,
                               const QByteArray &newValue,
                               GattCharacteristicComPtr characteristic);
    void discoverServiceDetailsHelper(const QBluetoothUuid &service,
                                      QLowEnergyService::DiscoveryMode mode,
                                      GattDeviceServiceComPtr deviceService);

    void clearAllServices();
    void closeAndRemoveService(const QBluetoothUuid &uuid);
};

QT_END_NAMESPACE

#endif // QLOWENERGYCONTROLLERPRIVATEWINRT_P_H