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//
// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// InspectableNativeWindow.h: Host specific implementation interface for
// managing IInspectable native window types.
#ifndef COMMON_WINRT_INSPECTABLENATIVEWINDOW_H_
#define COMMON_WINRT_INSPECTABLENATIVEWINDOW_H_
#include "common/platform.h"
#include "common/NativeWindow.h"
#include "angle_windowsstore.h"
#include <windows.ui.xaml.h>
#include <windows.ui.xaml.media.dxinterop.h>
using namespace Microsoft::WRL;
using namespace Microsoft::WRL::Wrappers;
using namespace ABI::Windows::Foundation;
using namespace ABI::Windows::Foundation::Collections;
namespace rx
{
class InspectableNativeWindow
{
public:
InspectableNativeWindow() :
mSupportsSwapChainResize(true),
mRequiresSwapChainScaling(false),
mClientRectChanged(false),
mClientRect({0,0,0,0}),
mNewClientRect({0,0,0,0}),
mScaleFactor(1.0)
{
mSizeChangedEventToken.value = 0;
}
virtual ~InspectableNativeWindow(){}
virtual bool initialize(EGLNativeWindowType window, EGLNativeDisplayType display, IPropertySet *propertySet) = 0;
virtual HRESULT createSwapChain(ID3D11Device *device, DXGIFactory *factory, DXGI_FORMAT format, unsigned int width, unsigned int height, DXGISwapChain **swapChain) = 0;
virtual bool registerForSizeChangeEvents() = 0;
virtual void unregisterForSizeChangeEvents() = 0;
virtual HRESULT scaleSwapChain(const SIZE& newSize) { return S_OK; }
bool getClientRect(RECT *rect)
{
if (mClientRectChanged && mSupportsSwapChainResize)
{
mClientRect = mNewClientRect;
mClientRectChanged = false;
}
*rect = mClientRect;
return true;
}
void setNewClientSize(const SIZE &newSize)
{
if (mSupportsSwapChainResize && !mRequiresSwapChainScaling)
{
mNewClientRect = { 0, 0, newSize.cx, newSize.cy };
mClientRectChanged = true;
}
if (mRequiresSwapChainScaling)
{
scaleSwapChain(newSize);
}
}
protected:
bool mSupportsSwapChainResize;
bool mRequiresSwapChainScaling;
RECT mClientRect;
RECT mNewClientRect;
bool mClientRectChanged;
DOUBLE mScaleFactor;
EventRegistrationToken mSizeChangedEventToken;
};
bool IsCoreWindow(EGLNativeWindowType window, ComPtr<ABI::Windows::UI::Core::ICoreWindow> *coreWindow = nullptr);
bool IsSwapChainPanel(EGLNativeWindowType window, ComPtr<ABI::Windows::UI::Xaml::Controls::ISwapChainPanel> *swapChainPanel = nullptr);
bool IsEGLConfiguredPropertySet(EGLNativeWindowType window, ABI::Windows::Foundation::Collections::IPropertySet **propertySet = nullptr, IInspectable **inspectable = nullptr);
HRESULT GetOptionalSizePropertyValue(const ComPtr<ABI::Windows::Foundation::Collections::IMap<HSTRING, IInspectable*>>& propertyMap, const wchar_t *propertyName, SIZE *value, bool *valueExists);
}
#endif // COMMON_WINRT_INSPECTABLENATIVEWINDOW_H_
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