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CompositedBackdrop.hpp
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CompositedBackdrop.hpp
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#pragma once
#include "udwmPrivates.hpp"
#include "uDwmBackdrop.hpp"
#include "DCompBackdrop.hpp"
#include "AcrylicBackdrop.hpp"
#include "MicaBackdrop.hpp"
#include "AeroBackdrop.hpp"
#include "BlurBackdrop.hpp"
#include "GlassReflectionBackdrop.hpp"
#include "CanvasGeometry.hpp"
namespace AcrylicEverywhere
{
enum class BackdropType : UCHAR
{
None,
Acrylic,
Mica,
Aero,
Blur
};
struct CNCVisualManager
{
uDwmPrivates::CTopLevelWindow* window;
CNCVisualManager(uDwmPrivates::CTopLevelWindow* topLevelWindow = nullptr) : window{topLevelWindow} {}
void UpdateCloak(bool cloak)
{
if (!window)
{
return;
}
uDwmPrivates::CVisual* legacy{ nullptr };
uDwmPrivates::CVisual* accent{ nullptr };
uDwmPrivates::CVisual* clientBlur{ nullptr };
uDwmPrivates::CVisual* systemBackdrop{ nullptr };
uDwmPrivates::CVisual* accentColor{ nullptr };
if (cloak)
{
if ((legacy = window->GetLegacyVisual()))
{
legacy->Cloak(cloak);
}
if ((accent = window->GetAccent()))
{
accent->Cloak(cloak);
}
if ((clientBlur = window->GetClientBlurVisual()))
{
clientBlur->Cloak(cloak);
}
if ((systemBackdrop = window->GetSystemBackdropVisual()))
{
systemBackdrop->Cloak(cloak);
}
if ((accentColor = window->GetAccentColorVisual()))
{
accentColor->Cloak(cloak);
}
}
else
{
if ((legacy = window->GetLegacyVisual()))
{
legacy->Cloak(cloak);
}
if ((accent = window->GetAccent()))
{
accent->Cloak(cloak);
}
if ((clientBlur = window->GetClientBlurVisual()))
{
clientBlur->Cloak(cloak);
}
if ((systemBackdrop = window->GetSystemBackdropVisual()))
{
systemBackdrop->Cloak(cloak);
}
if ((accentColor = window->GetAccentColorVisual()))
{
accentColor->Cloak(cloak);
}
}
}
};
class CCompositedBackdrop : public winrt::implements<CCompositedBackdrop, IUnknown>
{
private:
struct WindowContext
{
bool useDarkMode{ false };
bool windowActivated{ false };
enum class WindowState : UCHAR
{
Normal,
Minimized,
Maximized
} windowState{ WindowState::Normal };
bool updateNow{ true };
} m_windowContext;
BackdropType m_type{ BackdropType::None };
bool m_enableGlassReflection{ false };
bool m_enableBorders{ true };
winrt::Windows::Foundation::Numerics::float3 m_offset{ 0.f, 0.f, 1.f };
winrt::Windows::Foundation::Numerics::float2 m_size{ 0.f, 0.f };
wil::unique_hrgn m_clipRgn{ nullptr };
wil::unique_hrgn m_borderRgn{ CreateRectRgn(0, 0, 0, 0) };
winrt::com_ptr<DCompPrivates::IDCompositionDesktopDevicePartner> m_interopDCompDevice{ nullptr };
winrt::com_ptr<uDwmPrivates::CCanvasVisual> m_borderVisual{ nullptr };
winrt::com_ptr<uDwmPrivates::CSolidColorLegacyMilBrushProxy> m_milBrush{ nullptr };
uDwmPrivates::CTopLevelWindow* m_window{ nullptr };
uDwmPrivates::CTopLevelWindow* m_sourceWindow{ nullptr };
uDwmPrivates::CWindowData* m_windowData{ nullptr };
std::unique_ptr<CDCompBackdrop> m_backdrop{ nullptr };
std::unique_ptr<CGlassReflectionBackdrop> m_glassReflection{ nullptr };
CSharedVisual m_sharedVisual{};
CNCVisualManager m_ncVisualManager{ nullptr };
winrt::com_ptr<CCompositedBackdrop> m_sourceBackdropForAnimationUse{};
uDwmPrivates::CTopLevelWindow* GetSourceWindow() const
{
return m_sourceWindow ? m_sourceWindow : m_window;
}
uDwmPrivates::CTopLevelWindow* GetTargetWindow() const
{
return m_window;
}
void InitializeVisualConnection(bool disconnectPrevious)
{
THROW_IF_FAILED(
uDwmPrivates::CCanvasVisual::Create(
m_borderVisual.put()
)
);
m_interopDCompDevice.copy_from(
uDwmPrivates::CDesktopManager::s_pDesktopManagerInstance->GetDCompositionInteropDevice()
);
if (disconnectPrevious && GetTargetWindow())
{
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->Remove(
m_borderVisual.get()
)
);
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->Remove(
m_sharedVisual.udwmVisual.get()
)
);
}
THROW_IF_FAILED(m_sharedVisual.InitializeDCompAnduDwmVisual(m_interopDCompDevice.get()));
if (GetTargetWindow())
{
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->InsertRelative(
m_borderVisual.get(),
nullptr,
true,
true
)
);
m_borderVisual->AllowVisualTreeClone(false);
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->InsertRelative(
m_sharedVisual.udwmVisual.get(),
nullptr,
true,
true
)
);
}
m_sharedVisual.udwmVisual->AllowVisualTreeClone(false);
if (disconnectPrevious)
{
m_backdrop.reset();
m_glassReflection.reset();
}
}
public:
const CSharedVisual& GetSharedVisual() const
{
return m_sharedVisual;
}
CCompositedBackdrop(uDwmPrivates::CTopLevelWindow* window) :
m_window{ window },
m_windowData{ window->GetWindowData() },
m_sharedVisual{},
m_ncVisualManager{ window }
{
m_ncVisualManager.UpdateCloak(true);
InitializeVisualConnection(false);
}
CCompositedBackdrop(
const CCompositedBackdrop* backdrop,
uDwmPrivates::CTopLevelWindow* dest
) :
m_window{ dest },
m_sourceWindow{ backdrop->m_window },
m_windowData{ backdrop->m_windowData },
m_sharedVisual{}
{
InitializeVisualConnection(false);
bool allowNCBackgroundVisual{ backdrop->GetSourceWindow()->IsNCBackgroundVisualsCloneAllAllowed() };
{
UpdateBackdropType(allowNCBackgroundVisual ? backdrop->m_type : BackdropType::None);
UpdateGlassReflectionState(backdrop->m_enableGlassReflection);
UpdateBordersState(allowNCBackgroundVisual ? backdrop->m_enableBorders : false);
THROW_IF_FAILED(UpdateClipRegion(allowNCBackgroundVisual ? backdrop->m_clipRgn.get() : nullptr));
THROW_IF_FAILED(
UpdateRootAndChildren(
backdrop->m_offset,
backdrop->m_size,
backdrop->m_windowContext
)
);
THROW_IF_FAILED(UpdateBorderVisual());
}
}
CCompositedBackdrop(
CCompositedBackdrop* backdrop
) : CCompositedBackdrop{ backdrop, nullptr }
{
m_sourceBackdropForAnimationUse.copy_from(backdrop);
m_sourceBackdropForAnimationUse->m_sharedVisual.udwmVisual->ConnectToParent(false);
m_sourceBackdropForAnimationUse->m_sharedVisual.udwmVisual->Cloak(true);
}
~CCompositedBackdrop()
{
if (GetTargetWindow())
{
m_ncVisualManager.UpdateCloak(false);
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->Remove(
m_sharedVisual.udwmVisual.get()
)
);
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->Remove(
m_borderVisual.get()
)
);
}
if (m_sourceBackdropForAnimationUse)
{
m_sourceBackdropForAnimationUse->m_sharedVisual.udwmVisual->ConnectToParent(true);
m_sourceBackdropForAnimationUse->m_sharedVisual.udwmVisual->Cloak(false);
}
}
CDCompBackdrop* GetMainBackdrop() const
{
return m_backdrop.get();
}
void UpdateBackdropType(BackdropType type)
{
if (m_type != type)
{
m_type = type;
if (
m_sharedVisual.layerVisual &&
m_backdrop &&
m_backdrop->spriteVisual
)
{
auto visualCollection{ m_sharedVisual.layerVisual.Children() };
visualCollection.Remove(m_backdrop->spriteVisual);
m_backdrop.reset();
}
}
}
void UpdateGlassReflectionState(bool enable)
{
if (m_enableGlassReflection != enable)
{
m_enableGlassReflection = enable;
if (
m_sharedVisual.layerVisual &&
m_glassReflection &&
m_glassReflection->spriteVisual
)
{
auto visualCollection{ m_sharedVisual.layerVisual.Children() };
visualCollection.Remove(m_glassReflection->spriteVisual);
m_glassReflection.reset();
}
}
}
void UpdateBordersState(bool enable)
{
if (m_enableBorders != enable)
{
m_enableBorders = enable;
m_milBrush = nullptr;
THROW_IF_FAILED(m_borderVisual->ClearInstructions());
}
}
HRESULT UpdateClipRegion(HRGN hrgn) try
{
if (hrgn && !EqualRgn(hrgn, m_clipRgn.get()))
{
winrt::com_ptr<uDwmPrivates::CRgnGeometryProxy> geometry{nullptr};
THROW_IF_FAILED(
uDwmPrivates::ResourceHelper::CreateGeometryFromHRGN(
hrgn,
geometry.put()
)
);
m_sharedVisual.udwmVisual->GetVisualProxy()->SetClip(geometry.get());
m_clipRgn.reset(CreateRectRgn(0, 0, 0, 0));
CopyRgn(m_clipRgn.get(), hrgn);
}
if (!hrgn && m_clipRgn)
{
m_sharedVisual.udwmVisual->GetVisualProxy()->SetClip(nullptr);
m_clipRgn.reset();
}
return S_OK;
}
CATCH_RETURN()
HRESULT UpdateRootAndChildren(
const winrt::Windows::Foundation::Numerics::float3& offset,
const winrt::Windows::Foundation::Numerics::float2& size,
const WindowContext& context
) try
{
auto is_visual_empty = [&]
{
return
(
(size.x <= 0.f || size.y <= 0.f) ||
(
context.windowState == WindowContext::WindowState::Minimized &&
m_windowContext.windowState == WindowContext::WindowState::Minimized
) ||
(m_clipRgn && EqualRgn(m_clipRgn.get(), wil::unique_hrgn{CreateRectRgn(0, 0, 0, 0)}.get()))
);
};
auto update_visual_info = [&]
{
if (
m_offset != offset ||
m_size != size ||
memcmp(&context, &m_windowContext, sizeof(WindowContext)) != 0
)
{
m_offset = offset;
m_size = size;
m_windowContext = context;
m_sharedVisual.layerVisual.Offset(m_offset);
m_sharedVisual.layerVisual.Size(m_size);
}
THROW_IF_FAILED(UpdateBackdrop());
THROW_IF_FAILED(UpdateGlassReflection());
THROW_IF_FAILED(UpdateBorderVisual());
m_ncVisualManager.UpdateCloak(true);
};
if (m_sharedVisual.layerVisual.IsVisible())
{
if (is_visual_empty())
{
m_sharedVisual.layerVisual.IsVisible(false);
}
update_visual_info();
}
else if (!is_visual_empty())
{
m_sharedVisual.layerVisual.IsVisible(true);
update_visual_info();
}
return S_OK;
}
CATCH_RETURN()
HRESULT UpdateBackdrop() try
{
auto visualCollection{ m_sharedVisual.layerVisual.Children() };
if (!m_backdrop && m_type != BackdropType::None)
{
switch (m_type)
{
case BackdropType::Acrylic:
{
m_backdrop.reset(new CAcrylicBackdrop);
THROW_IF_FAILED(
m_backdrop->Initialize(
visualCollection
)
);
break;
}
case BackdropType::Mica:
{
m_backdrop.reset(new CMicaBackdrop);
THROW_IF_FAILED(
m_backdrop->Initialize(
visualCollection
)
);
break;
}
case BackdropType::Aero:
{
m_backdrop.reset(new CAeroBackdrop);
THROW_IF_FAILED(
m_backdrop->Initialize(
visualCollection
)
);
break;
}
case BackdropType::Blur:
{
m_backdrop.reset(new CBlurBackdrop);
THROW_IF_FAILED(
m_backdrop->Initialize(
visualCollection
)
);
break;
}
default:
break;
}
}
if (m_backdrop)
{
THROW_IF_FAILED(
m_backdrop->Update(
m_windowContext.useDarkMode,
m_windowContext.windowActivated
)
);
}
return S_OK;
}
CATCH_RETURN()
HRESULT UpdateGlassReflection() try
{
auto visualCollection{ m_sharedVisual.layerVisual.Children() };
if (!m_glassReflection && m_enableGlassReflection)
{
m_glassReflection.reset(new CGlassReflectionBackdrop);
THROW_IF_FAILED(
m_glassReflection->Initialize(visualCollection)
);
}
if (m_glassReflection)
{
THROW_IF_FAILED(
m_glassReflection->Update(
GetSourceWindow()
)
);
}
return S_OK;
}
CATCH_RETURN()
HRESULT UpdateBorderVisual() try
{
if (m_enableBorders)
{
RECT borderRect
{
static_cast<LONG>(m_offset.x),
static_cast<LONG>(m_offset.y),
static_cast<LONG>(m_offset.x) + static_cast<LONG>(m_size.x),
static_cast<LONG>(m_offset.y) + static_cast<LONG>(m_size.y)
};
wil::unique_hrgn borderRgn{ CreateRectRgnIndirect(&borderRect) };
{
borderRect.left += 1;
borderRect.top += 1;
borderRect.right -= 1;
borderRect.bottom -= 1;
}
wil::unique_hrgn innerRgn{ CreateRectRgnIndirect(&borderRect) };
CombineRgn(borderRgn.get(), borderRgn.get(), innerRgn.get(), RGN_XOR);
auto milBrushPtr{ GetSourceWindow()->GetBorderMilBrush() };
if (
(
uDwmPrivates::CDesktopManager::s_pDesktopManagerInstance->IsVanillaTheme() &&
SystemHelper::g_buildNumber < 22000
) &&
milBrushPtr &&
(
m_milBrush.get() != *milBrushPtr ||
!EqualRgn(borderRgn.get(), m_borderRgn.get())
) &&
m_windowContext.windowState != WindowContext::WindowState::Maximized
)
{
THROW_IF_FAILED(m_borderVisual->ClearInstructions());
m_milBrush.copy_from(
*GetSourceWindow()->GetBorderMilBrush()
);
CopyRgn(m_borderRgn.get(), borderRgn.get());
winrt::com_ptr<uDwmPrivates::CRgnGeometryProxy> geometry{ nullptr };
THROW_IF_FAILED(
uDwmPrivates::ResourceHelper::CreateGeometryFromHRGN(
m_borderRgn.get(),
geometry.put()
)
);
if (
m_milBrush &&
geometry
)
{
winrt::com_ptr<uDwmPrivates::CDrawGeometryInstruction> instruction{ nullptr };
THROW_IF_FAILED(
uDwmPrivates::CDrawGeometryInstruction::Create(
m_milBrush.get(),
geometry.get(),
instruction.put()
)
);
THROW_IF_FAILED(
m_borderVisual->AddInstruction(
instruction.get()
)
);
}
}
else if (m_windowContext.windowState == WindowContext::WindowState::Maximized)
{
THROW_IF_FAILED(m_borderVisual->ClearInstructions());
}
}
return S_OK;
}
CATCH_RETURN()
WindowContext GetCachedWindowContext() const
{
return m_windowContext;
}
WindowContext QueryCurrentWindowContext()
{
HWND hwnd{ m_windowData->GetHwnd() };
WindowContext windowContext
{
m_windowData->IsUsingDarkMode(),
GetSourceWindow()->TreatAsActiveWindow(),
WindowContext::WindowState::Normal,
false
};
if (IsMaximized(hwnd)) { windowContext.windowState = WindowContext::WindowState::Maximized; }
else if (IsMinimized(hwnd)) { windowContext.windowState = WindowContext::WindowState::Minimized; }
return windowContext;
}
HRESULT Update() try
{
auto is_device_valid = [&]()
{
if (!m_interopDCompDevice) return false;
BOOL valid{ FALSE };
THROW_IF_FAILED(
m_interopDCompDevice.as<IDCompositionDevice>()->CheckDeviceState(
&valid
)
);
return valid == TRUE;
};
if (!is_device_valid())
{
InitializeVisualConnection(true);
UpdateClipRegion(wil::unique_hrgn{ m_clipRgn.release() }.get());
}
HWND hwnd{ m_windowData->GetHwnd() };
const auto windowContext{ QueryCurrentWindowContext() };
RECT windowRect{}, borderRect{};
THROW_HR_IF_NULL(E_INVALIDARG, GetSourceWindow()->GetActualWindowRect(&windowRect, false, true, true));
THROW_HR_IF_NULL(E_INVALIDARG, GetSourceWindow()->GetActualWindowRect(&borderRect, false, true, false));
MARGINS margins{};
GetSourceWindow()->GetBorderMargins(&margins);
winrt::Windows::Foundation::Numerics::float3 offset
{
static_cast<float>(!IsMaximized(hwnd) ? (windowRect.left - borderRect.left) : margins.cxLeftWidth),
static_cast<float>(!IsMaximized(hwnd) ? (windowRect.top - borderRect.top) : margins.cyTopHeight),
1.f
};
winrt::Windows::Foundation::Numerics::float2 size
{
IsMinimized(hwnd) ? m_size.x : static_cast<float>(wil::rect_width(windowRect)),
IsMinimized(hwnd) ? m_size.y : static_cast<float>(wil::rect_height(windowRect))
};
UpdateRootAndChildren(
offset,
size,
windowContext
);
return S_OK;
}
CATCH_RETURN()
};
class CCompositedAccentBackdrop : public winrt::implements<CCompositedAccentBackdrop, IUnknown>
{
private:
struct WindowContext
{
enum class WindowState : UCHAR
{
Normal,
Minimized,
Maximized
} windowState{ WindowState::Normal };
bool updateNow{ true };
} m_windowContext;
BackdropType m_type{ BackdropType::None };
bool m_enableGlassReflection{ false };
winrt::Windows::Foundation::Numerics::float3 m_offset{ 0.f, 0.f, 1.f };
winrt::Windows::Foundation::Numerics::float2 m_size{ 0.f, 0.f };
RECT m_accentBlurRect{};
uDwmPrivates::ACCENT_POLICY m_accentPolicy{ 6 };
winrt::com_ptr<DCompPrivates::IDCompositionDesktopDevicePartner> m_interopDCompDevice{ nullptr };
uDwmPrivates::CTopLevelWindow* m_window{ nullptr };
uDwmPrivates::CTopLevelWindow* m_sourceWindow{ nullptr };
winrt::com_ptr<uDwmPrivates::CBaseGeometryProxy> m_clipRegion{ nullptr };
uDwmPrivates::CWindowData* m_windowData{ nullptr };
std::unique_ptr<CAccentDCompBackdrop> m_backdrop{ nullptr };
std::unique_ptr<CGlassReflectionBackdrop> m_glassReflection{ nullptr };
CSharedVisual m_sharedVisual{};
CNCVisualManager m_ncVisualManager{ nullptr };
winrt::com_ptr<CCompositedAccentBackdrop> m_sourceBackdropForAnimationUse{};
uDwmPrivates::CTopLevelWindow* GetSourceWindow() const
{
return m_sourceWindow ? m_sourceWindow : m_window;
}
uDwmPrivates::CTopLevelWindow* GetTargetWindow() const
{
return m_window;
}
void InitializeVisualConnection(bool disconnectPrevious)
{
m_interopDCompDevice.copy_from(
uDwmPrivates::CDesktopManager::s_pDesktopManagerInstance->GetDCompositionInteropDevice()
);
if (disconnectPrevious && GetTargetWindow())
{
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->Remove(
m_sharedVisual.udwmVisual.get()
)
);
}
THROW_IF_FAILED(m_sharedVisual.InitializeDCompAnduDwmVisual(m_interopDCompDevice.get()));
auto compositor{ m_interopDCompDevice.as<winrt::Windows::UI::Composition::Compositor>() };
// TO-DO: Add accent dropshadow
// ...
if (GetTargetWindow())
{
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->InsertRelative(
m_sharedVisual.udwmVisual.get(),
nullptr,
true,
true
)
);
}
m_sharedVisual.udwmVisual->AllowVisualTreeClone(false);
if (disconnectPrevious)
{
m_backdrop.reset();
m_glassReflection.reset();
}
}
bool IsContainShadow()
{
return
(
(m_accentPolicy.AccentFlags & (1 << 5)) ||
(m_accentPolicy.AccentFlags & (1 << 6)) ||
(m_accentPolicy.AccentFlags & (1 << 7)) ||
(m_accentPolicy.AccentFlags & (1 << 8))
);
}
public:
const CSharedVisual& GetSharedVisual() const
{
return m_sharedVisual;
}
CCompositedAccentBackdrop(uDwmPrivates::CTopLevelWindow* window) :
m_window{ window },
m_windowData{ window->GetWindowData() },
m_sharedVisual{},
m_ncVisualManager{ window }
{
m_ncVisualManager.UpdateCloak(true);
InitializeVisualConnection(false);
}
CCompositedAccentBackdrop(const CCompositedAccentBackdrop* backdrop, uDwmPrivates::CTopLevelWindow* dest) :
m_window{ dest },
m_sourceWindow{ backdrop->m_window },
m_windowData{ backdrop->m_windowData },
m_sharedVisual{}
{
InitializeVisualConnection(false);
bool allowAccentVisual{ backdrop->GetSourceWindow()->GetAccent()->IsCloneAllowed() || backdrop->GetSourceWindow()->IsNCBackgroundVisualsCloneAllAllowed() };
{
UpdateBackdropType(allowAccentVisual ? backdrop->m_type : BackdropType::None);
UpdateGlassReflectionState(backdrop->m_enableGlassReflection);
THROW_IF_FAILED(UpdateClipRegion());
THROW_IF_FAILED(
UpdateRootAndChildren(
backdrop->m_offset,
backdrop->m_size,
backdrop->m_windowContext
)
);
}
}
CCompositedAccentBackdrop(
CCompositedAccentBackdrop* backdrop
) : CCompositedAccentBackdrop{ backdrop, nullptr }
{
m_sourceBackdropForAnimationUse.copy_from(backdrop);
m_sourceBackdropForAnimationUse->m_sharedVisual.udwmVisual->ConnectToParent(false);
m_sourceBackdropForAnimationUse->m_sharedVisual.udwmVisual->Cloak(true);
}
~CCompositedAccentBackdrop()
{
if (GetTargetWindow())
{
m_ncVisualManager.UpdateCloak(false);
THROW_IF_FAILED(
GetTargetWindow()->GetVisual()->GetVisualCollection()->Remove(
m_sharedVisual.udwmVisual.get()
)
);
}
if (m_sourceBackdropForAnimationUse)
{
m_sourceBackdropForAnimationUse->m_sharedVisual.udwmVisual->ConnectToParent(true);
m_sourceBackdropForAnimationUse->m_sharedVisual.udwmVisual->Cloak(false);
}
}
void UpdateBackdropType(BackdropType type)
{
if (m_type != type)
{
m_type = type;
if (
m_sharedVisual.layerVisual &&
m_backdrop &&
m_backdrop->spriteVisual
)
{
auto visualCollection{ m_sharedVisual.layerVisual.Children() };
visualCollection.Remove(m_backdrop->spriteVisual);
m_backdrop.reset();
}
}
}
void UpdateGlassReflectionState(bool enable)
{
if (m_enableGlassReflection != enable)
{
m_enableGlassReflection = enable;
if (
m_sharedVisual.layerVisual &&
m_glassReflection &&
m_glassReflection->spriteVisual
)
{
auto visualCollection{ m_sharedVisual.layerVisual.Children() };
visualCollection.Remove(m_glassReflection->spriteVisual);
m_glassReflection.reset();
}
}
}
HRESULT UpdateClipRegion()
{
auto geometry{ GetSourceWindow()->GetAccent()->GetClipGeometry() };
if (m_clipRegion.get() != geometry)
{
m_clipRegion.copy_from(geometry);
m_sharedVisual.udwmVisual->GetVisualProxy()->SetClip(geometry);
}
return S_OK;
}
HRESULT UpdateRootAndChildren(
const winrt::Windows::Foundation::Numerics::float3& offset,
const winrt::Windows::Foundation::Numerics::float2& size,
const WindowContext& context
) try
{
auto is_visual_empty = [&]
{
return
(
(size.x <= 0.f || size.y <= 0.f) ||
(
context.windowState == WindowContext::WindowState::Minimized &&
m_windowContext.windowState == WindowContext::WindowState::Minimized
)
);
};
auto update_visual_info = [&]
{
if (
m_offset != offset ||
m_size != size ||
memcmp(&context, &m_windowContext, sizeof(WindowContext)) != 0
)
{
m_offset = offset;
m_size = size;
m_windowContext = context;
m_sharedVisual.layerVisual.Offset(m_offset);
m_sharedVisual.layerVisual.Size(m_size);
}
THROW_IF_FAILED(UpdateGlassReflection());
THROW_IF_FAILED(UpdateAccentPolicy());
m_ncVisualManager.UpdateCloak(true);
};
if (m_sharedVisual.layerVisual.IsVisible())
{
if (is_visual_empty())
{
m_sharedVisual.layerVisual.IsVisible(false);
}
update_visual_info();
}
else if (!is_visual_empty())
{
m_sharedVisual.layerVisual.IsVisible(true);
update_visual_info();
}
return S_OK;
}
CATCH_RETURN()
HRESULT UpdateBackdrop() try
{
auto visualCollection{ m_sharedVisual.layerVisual.Children() };
if (!m_backdrop && m_type != BackdropType::None)
{
switch (m_type)
{
case BackdropType::Acrylic:
{
m_backdrop.reset(new CAccentAcrylicBackdrop);
THROW_IF_FAILED(
m_backdrop->Initialize(
visualCollection
)
);
break;
}
case BackdropType::Mica:
{
m_backdrop.reset(new CAccentMicaBackdrop);
THROW_IF_FAILED(
m_backdrop->Initialize(
visualCollection
)
);
break;
}
case BackdropType::Aero:
{
m_backdrop.reset(new CAccentAeroBackdrop);
THROW_IF_FAILED(
m_backdrop->Initialize(
visualCollection
)
);
break;
}
case BackdropType::Blur:
{
m_backdrop.reset(new CAccentBlurBackdrop);
THROW_IF_FAILED(
m_backdrop->Initialize(
visualCollection
)
);
break;
}
default:
break;
}
}
if (m_backdrop)
{
THROW_IF_FAILED(
m_backdrop->Update(
m_accentPolicy
)
);
}
return S_OK;
}
CATCH_RETURN()
HRESULT UpdateGlassReflection() try
{
auto visualCollection{ m_sharedVisual.layerVisual.Children() };
if (!m_glassReflection && m_enableGlassReflection)
{
m_glassReflection.reset(new CGlassReflectionBackdrop);
THROW_IF_FAILED(
m_glassReflection->Initialize(visualCollection)
);
}
if (m_glassReflection)
{
THROW_IF_FAILED(
m_glassReflection->Update(
GetSourceWindow()
)
);
}
return S_OK;
}
CATCH_RETURN()
HRESULT UpdateAccentPolicy()
{
if (memcmp(&m_accentPolicy, m_windowData->GetAccentPolicy(), sizeof(uDwmPrivates::ACCENT_POLICY)) != 0)
{
m_accentPolicy = *m_windowData->GetAccentPolicy();
RETURN_IF_FAILED(UpdateBackdrop());
}
return S_OK;
}
WindowContext QueryCurrentWindowContext()
{
HWND hwnd{ m_windowData->GetHwnd() };
WindowContext windowContext
{
WindowContext::WindowState::Normal,
false
};
if (IsMaximized(hwnd)) { windowContext.windowState = WindowContext::WindowState::Maximized; }
else if (IsMinimized(hwnd)) { windowContext.windowState = WindowContext::WindowState::Minimized; }
return windowContext;
}
HRESULT Update() try