paulxstretch/deps/juce/modules/juce_events/native/juce_win32_WinRTWrapper.h
essej 25bd5d8adb git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
2022-04-18 17:51:22 -04:00

113 lines
3.9 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
class WinRTWrapper : public DeletedAtShutdown
{
public:
//==============================================================================
~WinRTWrapper();
bool isInitialised() const noexcept { return initialised; }
JUCE_DECLARE_SINGLETON (WinRTWrapper, true)
//==============================================================================
template <class ComClass>
ComSmartPtr<ComClass> activateInstance (const wchar_t* runtimeClassID, REFCLSID classUUID)
{
ComSmartPtr<ComClass> result;
if (isInitialised())
{
ComSmartPtr<IInspectable> inspectable;
ScopedHString runtimeClass (runtimeClassID);
auto hr = roActivateInstance (runtimeClass.get(), inspectable.resetAndGetPointerAddress());
if (SUCCEEDED (hr))
inspectable->QueryInterface (classUUID, (void**) result.resetAndGetPointerAddress());
}
return result;
}
template <class ComClass>
ComSmartPtr<ComClass> getWRLFactory (const wchar_t* runtimeClassID)
{
ComSmartPtr<ComClass> comPtr;
if (isInitialised())
{
ScopedHString classID (runtimeClassID);
if (classID.get() != nullptr)
roGetActivationFactory (classID.get(), __uuidof (ComClass), (void**) comPtr.resetAndGetPointerAddress());
}
return comPtr;
}
//==============================================================================
class ScopedHString
{
public:
ScopedHString (String);
~ScopedHString();
HSTRING get() const noexcept { return hstr; }
private:
HSTRING hstr = nullptr;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ScopedHString)
};
String hStringToString (HSTRING);
private:
WinRTWrapper();
//==============================================================================
HMODULE winRTHandle = nullptr;
bool initialised = false;
typedef HRESULT (WINAPI* RoInitializeFuncPtr) (int);
typedef HRESULT (WINAPI* WindowsCreateStringFuncPtr) (LPCWSTR, UINT32, HSTRING*);
typedef HRESULT (WINAPI* WindowsDeleteStringFuncPtr) (HSTRING);
typedef PCWSTR (WINAPI* WindowsGetStringRawBufferFuncPtr) (HSTRING, UINT32*);
typedef HRESULT (WINAPI* RoActivateInstanceFuncPtr) (HSTRING, IInspectable**);
typedef HRESULT (WINAPI* RoGetActivationFactoryFuncPtr) (HSTRING, REFIID, void**);
RoInitializeFuncPtr roInitialize = nullptr;
WindowsCreateStringFuncPtr createHString = nullptr;
WindowsDeleteStringFuncPtr deleteHString = nullptr;
WindowsGetStringRawBufferFuncPtr getHStringRawBuffer = nullptr;
RoActivateInstanceFuncPtr roActivateInstance = nullptr;
RoGetActivationFactoryFuncPtr roGetActivationFactory = nullptr;
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WinRTWrapper)
};
} // namespace juce