| /**************************************************************************** |
| ** |
| ** Copyright (C) 2018 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtBluetooth module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
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| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
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| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| #include "qbluetoothutils_winrt_p.h" |
| #include <QtBluetooth/private/qtbluetoothglobal_p.h> |
| |
| #include <QtCore/qfunctions_winrt.h> |
| |
| #include <robuffer.h> |
| #include <wrl.h> |
| #include <windows.foundation.metadata.h> |
| #include <windows.storage.streams.h> |
| |
| using namespace Microsoft::WRL; |
| using namespace Microsoft::WRL::Wrappers; |
| using namespace ABI::Windows::Foundation::Metadata; |
| using namespace ABI::Windows::Storage::Streams; |
| |
| QT_BEGIN_NAMESPACE |
| |
| bool supportsNewLEApi() |
| { |
| static bool initialized = false; |
| static boolean apiPresent = false; |
| if (initialized) |
| return apiPresent; |
| |
| initialized = true; |
| #if !QT_CONFIG(winrt_btle_no_pairing) |
| return apiPresent; |
| #endif |
| |
| ComPtr<IApiInformationStatics> apiInformationStatics; |
| HRESULT hr = RoGetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Foundation_Metadata_ApiInformation).Get(), |
| IID_PPV_ARGS(&apiInformationStatics)); |
| if (FAILED(hr)) |
| return apiPresent; |
| |
| const HStringReference valueRef(L"Windows.Foundation.UniversalApiContract"); |
| hr = apiInformationStatics->IsApiContractPresentByMajor( |
| valueRef.Get(), 4, &apiPresent); |
| apiPresent = SUCCEEDED(hr) && apiPresent; |
| return apiPresent; |
| } |
| |
| QByteArray byteArrayFromBuffer(const ComPtr<NativeBuffer> &buffer, bool isWCharString) |
| { |
| if (!buffer) { |
| qErrnoWarning("nullptr passed to byteArrayFromBuffer"); |
| return QByteArray(); |
| } |
| ComPtr<Windows::Storage::Streams::IBufferByteAccess> byteAccess; |
| HRESULT hr = buffer.As(&byteAccess); |
| RETURN_IF_FAILED("Could not cast buffer", return QByteArray()) |
| char *data; |
| hr = byteAccess->Buffer(reinterpret_cast<byte **>(&data)); |
| RETURN_IF_FAILED("Could not obtain buffer data", return QByteArray()) |
| UINT32 size; |
| hr = buffer->get_Length(&size); |
| RETURN_IF_FAILED("Could not obtain buffer size", return QByteArray()) |
| if (isWCharString) { |
| QString valueString = QString::fromUtf16(reinterpret_cast<ushort *>(data)).left(size / 2); |
| return valueString.toUtf8(); |
| } |
| return QByteArray(data, qint32(size)); |
| } |
| |
| QT_END_NAMESPACE |