#include <flutter_windows_view.h>

Inheritance diagram for flutter::FlutterWindowsView:

Public Member Functions
	FlutterWindowsView (std::unique_ptr< WindowBindingHandler > window_binding)

virtual	~FlutterWindowsView ()

void	SetEngine (std::unique_ptr< FlutterWindowsEngine > engine)

void	CreateRenderSurface ()

void	DestroyRenderSurface ()

WindowsRenderTarget *	GetRenderTarget () const

virtual PlatformWindow	GetPlatformWindow () const

FlutterWindowsEngine *	GetEngine ()

void	ForceRedraw ()

bool	ClearContext ()

bool	MakeCurrent ()

bool	MakeResourceCurrent ()

bool	SwapBuffers ()

bool	PresentSoftwareBitmap (const void *allocation, size_t row_bytes, size_t height)

void	SendInitialBounds ()

void	SendInitialAccessibilityFeatures ()

void	AnnounceAlert (const std::wstring &text)

void	UpdateHighContrastEnabled (bool enabled) override

uint32_t	GetFrameBufferId (size_t width, size_t height)

void	UpdateFlutterCursor (const std::string &cursor_name)

void	SetFlutterCursor (HCURSOR cursor)

void	OnWindowSizeChanged (size_t width, size_t height) override

void	OnWindowRepaint () override

void	OnPointerMove (double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, int modifiers_state) override

void	OnPointerDown (double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, FlutterPointerMouseButtons button) override

void	OnPointerUp (double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, FlutterPointerMouseButtons button) override

void	OnPointerLeave (double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id=0) override

virtual void	OnPointerPanZoomStart (int32_t device_id) override

virtual void	OnPointerPanZoomUpdate (int32_t device_id, double pan_x, double pan_y, double scale, double rotation) override

virtual void	OnPointerPanZoomEnd (int32_t device_id) override

void	OnText (const std::u16string &) override

void	OnKey (int key, int scancode, int action, char32_t character, bool extended, bool was_down, KeyEventCallback callback) override

void	OnComposeBegin () override

void	OnComposeCommit () override

void	OnComposeEnd () override

void	OnComposeChange (const std::u16string &text, int cursor_pos) override

void	OnScroll (double x, double y, double delta_x, double delta_y, int scroll_offset_multiplier, FlutterPointerDeviceKind device_kind, int32_t device_id) override

void	OnScrollInertiaCancel (int32_t device_id) override

virtual void	OnUpdateSemanticsEnabled (bool enabled) override

virtual gfx::NativeViewAccessible	GetNativeViewAccessible () override

void	OnCursorRectUpdated (const Rect &rect) override

void	OnResetImeComposing () override

void	OnDwmCompositionChanged ()

ui::AXPlatformNodeWin *	AlertNode () const

virtual ui::AXFragmentRootDelegateWin *	GetAxFragmentRootDelegate () override

virtual void	UpdateSemanticsEnabled (bool enabled)

std::weak_ptr< AccessibilityBridgeWindows >	accessibility_bridge ()

void	OnWindowStateEvent (HWND hwnd, WindowStateEvent event) override

Protected Member Functions
virtual void	NotifyWinEventWrapper (ui::AXPlatformNodeWin *node, ax::mojom::Event event)

virtual std::shared_ptr< AccessibilityBridgeWindows >	CreateAccessibilityBridge ()

Additional Inherited Members
Public Types inherited from flutter::WindowBindingHandlerDelegate
using	KeyEventCallback = std::function< void(bool)>

Detailed Description

Definition at line 35 of file flutter_windows_view.h.

Constructor & Destructor Documentation

◆ FlutterWindowsView()

flutter::FlutterWindowsView::FlutterWindowsView ( std::unique_ptr< WindowBindingHandler > window_binding )

Definition at line 41 of file flutter_windows_view.cc.

                                                         {
   // Take the binding handler, and give it a pointer back to self.
   binding_handler_ = std::move(window_binding);
   binding_handler_->SetView(this);
  
   render_target_ = std::make_unique<WindowsRenderTarget>(
       binding_handler_->GetRenderTarget());
 }

◆ ~FlutterWindowsView()

flutter::FlutterWindowsView::~FlutterWindowsView ( )

virtual

Definition at line 51 of file flutter_windows_view.cc.

                                         {
   // The engine renders into the view's surface. The engine must be
   // shutdown before the view's resources can be destroyed.
   if (engine_) {
     engine_->Stop();
   }
  
   DestroyRenderSurface();
 }

References DestroyRenderSurface().

Member Function Documentation

◆ accessibility_bridge()

std::weak_ptr<AccessibilityBridgeWindows> flutter::FlutterWindowsView::accessibility_bridge ( )

inline

Definition at line 210 of file flutter_windows_view.h.

                                                                  {
     return accessibility_bridge_;
   }

Referenced by flutter::FlutterWindowsEngine::Run().

◆ AlertNode()

ui::AXPlatformNodeWin * flutter::FlutterWindowsView::AlertNode ( ) const

Definition at line 655 of file flutter_windows_view.cc.

                                                          {
   return binding_handler_->GetAlert();
 }

◆ AnnounceAlert()

void flutter::FlutterWindowsView::AnnounceAlert ( const std::wstring & text )

Definition at line 634 of file flutter_windows_view.cc.

                                                              {
   auto alert_delegate = binding_handler_->GetAlertDelegate();
   if (!alert_delegate) {
     return;
   }
   alert_delegate->SetText(fml::WideStringToUtf16(text));
   ui::AXPlatformNodeWin* alert_node = binding_handler_->GetAlert();
   NotifyWinEventWrapper(alert_node, ax::mojom::Event::kAlert);
 }

References NotifyWinEventWrapper(), and text.

◆ ClearContext()

bool flutter::FlutterWindowsView::ClearContext ( )

Definition at line 544 of file flutter_windows_view.cc.

                                       {
   return engine_->surface_manager()->ClearContext();
 }

◆ CreateAccessibilityBridge()

std::shared_ptr< AccessibilityBridgeWindows > flutter::FlutterWindowsView::CreateAccessibilityBridge ( )

protectedvirtual

Definition at line 660 of file flutter_windows_view.cc.

                                               {
   return std::make_shared<AccessibilityBridgeWindows>(this);
 }

Referenced by UpdateSemanticsEnabled().

◆ CreateRenderSurface()

void flutter::FlutterWindowsView::CreateRenderSurface ( )

Definition at line 590 of file flutter_windows_view.cc.

                                              {
   if (engine_ && engine_->surface_manager()) {
     PhysicalWindowBounds bounds = binding_handler_->GetPhysicalWindowBounds();
     bool enable_vsync = binding_handler_->NeedsVSync();
     engine_->surface_manager()->CreateSurface(GetRenderTarget(), bounds.width,
                                               bounds.height, enable_vsync);
  
     // The EGL context cannot be current on multiple threads.
     // Creating the render surface runs on the platform thread and
     // makes the EGL context current. Thus, the EGL context must be
     // released so that the raster thread can use it for rendering.
     engine_->surface_manager()->ClearCurrent();
  
     resize_target_width_ = bounds.width;
     resize_target_height_ = bounds.height;
   }
 }

References GetRenderTarget(), flutter::PhysicalWindowBounds::height, and flutter::PhysicalWindowBounds::width.

Referenced by flutter::testing::TEST().

◆ DestroyRenderSurface()

void flutter::FlutterWindowsView::DestroyRenderSurface ( )

Definition at line 608 of file flutter_windows_view.cc.

                                               {
   if (engine_ && engine_->surface_manager()) {
     engine_->surface_manager()->DestroySurface();
   }
 }

Referenced by ~FlutterWindowsView().

◆ ForceRedraw()

void flutter::FlutterWindowsView::ForceRedraw ( )

Definition at line 100 of file flutter_windows_view.cc.

                                      {
   if (resize_status_ == ResizeState::kDone) {
     // Request new frame.
     engine_->ScheduleFrame();
   }
 }

Referenced by OnWindowRepaint().

◆ GetAxFragmentRootDelegate()

ui::AXFragmentRootDelegateWin * flutter::FlutterWindowsView::GetAxFragmentRootDelegate ( )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 651 of file flutter_windows_view.cc.

                                                                            {
   return accessibility_bridge_.get();
 }

◆ GetEngine()

FlutterWindowsEngine * flutter::FlutterWindowsView::GetEngine ( )

Definition at line 630 of file flutter_windows_view.cc.

                                                     {
   return engine_.get();
 }

Referenced by flutter::AccessibilityBridgeWindows::DispatchAccessibilityAction(), FlutterDesktopViewGetGraphicsAdapter(), and flutter::testing::TEST().

◆ GetFrameBufferId()

uint32_t flutter::FlutterWindowsView::GetFrameBufferId	(	size_t	width,
		size_t	height
	)

Definition at line 73 of file flutter_windows_view.cc.

                                                                          {
   // Called on an engine-controlled (non-platform) thread.
   std::unique_lock<std::mutex> lock(resize_mutex_);
  
   if (resize_status_ != ResizeState::kResizeStarted) {
     return kWindowFrameBufferID;
   }
  
   if (resize_target_width_ == width && resize_target_height_ == height) {
     // Platform thread is blocked for the entire duration until the
     // resize_status_ is set to kDone.
     engine_->surface_manager()->ResizeSurface(GetRenderTarget(), width, height,
                                               binding_handler_->NeedsVSync());
     resize_status_ = ResizeState::kFrameGenerated;
   }
  
   return kWindowFrameBufferID;
 }

References GetRenderTarget(), and flutter::kWindowFrameBufferID.

Referenced by flutter::testing::TEST().

◆ GetNativeViewAccessible()

gfx::NativeViewAccessible flutter::FlutterWindowsView::GetNativeViewAccessible ( )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 255 of file flutter_windows_view.cc.

                                                                     {
   if (!accessibility_bridge_) {
     return nullptr;
   }
  
   return accessibility_bridge_->GetChildOfAXFragmentRoot();
 }

◆ GetPlatformWindow()

PlatformWindow flutter::FlutterWindowsView::GetPlatformWindow ( ) const

virtual

Definition at line 626 of file flutter_windows_view.cc.

                                                            {
   return binding_handler_->GetPlatformWindow();
 }

Referenced by FlutterDesktopViewGetHWND(), flutter::FlutterPlatformNodeDelegateWindows::GetBoundsRect(), and flutter::FlutterPlatformNodeDelegateWindows::GetTargetForNativeAccessibilityEvent().

◆ GetRenderTarget()

WindowsRenderTarget * flutter::FlutterWindowsView::GetRenderTarget ( ) const

Definition at line 622 of file flutter_windows_view.cc.

                                                                {
   return render_target_.get();
 }

Referenced by CreateRenderSurface(), GetFrameBufferId(), flutter::PlatformHandler::GetHasStrings(), flutter::PlatformHandler::GetPlainText(), and flutter::PlatformHandler::SetPlainText().

◆ MakeCurrent()

bool flutter::FlutterWindowsView::MakeCurrent ( )

Definition at line 536 of file flutter_windows_view.cc.

                                      {
   return engine_->surface_manager()->MakeCurrent();
 }

◆ MakeResourceCurrent()

bool flutter::FlutterWindowsView::MakeResourceCurrent ( )

Definition at line 540 of file flutter_windows_view.cc.

                                              {
   return engine_->surface_manager()->MakeResourceCurrent();
 }

◆ NotifyWinEventWrapper()

void flutter::FlutterWindowsView::NotifyWinEventWrapper	(	ui::AXPlatformNodeWin *	node,
		ax::mojom::Event	event
	)

protectedvirtual

Definition at line 644 of file flutter_windows_view.cc.

                                                                    {
   if (node) {
     node->NotifyAccessibilityEvent(event);
   }
 }

Referenced by AnnounceAlert().

◆ OnComposeBegin()

void flutter::FlutterWindowsView::OnComposeBegin ( )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 218 of file flutter_windows_view.cc.

                                         {
   SendComposeBegin();
 }

◆ OnComposeChange()

void flutter::FlutterWindowsView::OnComposeChange	(	const std::u16string &	text,
		int	cursor_pos
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 230 of file flutter_windows_view.cc.

                                                          {
   SendComposeChange(text, cursor_pos);
 }

References text.

◆ OnComposeCommit()

void flutter::FlutterWindowsView::OnComposeCommit ( )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 222 of file flutter_windows_view.cc.

                                          {
   SendComposeCommit();
 }

◆ OnComposeEnd()

void flutter::FlutterWindowsView::OnComposeEnd ( )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 226 of file flutter_windows_view.cc.

                                       {
   SendComposeEnd();
 }

◆ OnCursorRectUpdated()

void flutter::FlutterWindowsView::OnCursorRectUpdated ( const Rect & rect )

overridevirtual

Implements flutter::TextInputPluginDelegate.

Definition at line 263 of file flutter_windows_view.cc.

                                                              {
   binding_handler_->OnCursorRectUpdated(rect);
 }

◆ OnDwmCompositionChanged()

void flutter::FlutterWindowsView::OnDwmCompositionChanged ( )

Definition at line 676 of file flutter_windows_view.cc.

                                                  {
   AngleSurfaceManager* surface_manager = engine_->surface_manager();
   if (!surface_manager) {
     return;
   }
  
   // Update the surface with the new composition state.
   // Switch to the raster thread as the render EGL context can only be
   // current on a single thread a time.
   auto needs_vsync = binding_handler_->NeedsVSync();
   engine_->PostRasterThreadTask([surface_manager, needs_vsync]() {
     if (!surface_manager->MakeCurrent()) {
       FML_LOG(ERROR)
           << "Unable to make surface current to update the swap interval";
       return;
     }
  
     surface_manager->SetVSyncEnabled(needs_vsync);
   });
 }

References flutter::AngleSurfaceManager::MakeCurrent(), and flutter::AngleSurfaceManager::SetVSyncEnabled().

◆ OnKey()

void flutter::FlutterWindowsView::OnKey	(	int	key,
		int	scancode,
		int	action,
		char32_t	character,
		bool	extended,
		bool	was_down,
		KeyEventCallback	callback
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 208 of file flutter_windows_view.cc.

                                                           {
   SendKey(key, scancode, action, character, extended, was_down, callback);
 }

References action, callback, character, extended, key, scancode, and was_down.

◆ OnPointerDown()

void flutter::FlutterWindowsView::OnPointerDown	(	double	x,
		double	y,
		FlutterPointerDeviceKind	device_kind,
		int32_t	device_id,
		FlutterPointerMouseButtons	button
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 154 of file flutter_windows_view.cc.

                                                {
   if (flutter_button != 0) {
     auto state = GetOrCreatePointerState(device_kind, device_id);
     state->buttons |= flutter_button;
     SendPointerDown(x, y, state);
   }
 }

◆ OnPointerLeave()

void flutter::FlutterWindowsView::OnPointerLeave	(	double	x,
		double	y,
		FlutterPointerDeviceKind	device_kind,
		int32_t	device_id = `0`
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 180 of file flutter_windows_view.cc.

                                                            {
   SendPointerLeave(x, y, GetOrCreatePointerState(device_kind, device_id));
 }

◆ OnPointerMove()

void flutter::FlutterWindowsView::OnPointerMove	(	double	x,
		double	y,
		FlutterPointerDeviceKind	device_kind,
		int32_t	device_id,
		int	modifiers_state
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 145 of file flutter_windows_view.cc.

                                                             {
   engine_->keyboard_key_handler()->SyncModifiersIfNeeded(modifiers_state);
   SendPointerMove(x, y, GetOrCreatePointerState(device_kind, device_id));
 }

◆ OnPointerPanZoomEnd()

void flutter::FlutterWindowsView::OnPointerPanZoomEnd ( int32_t device_id )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 200 of file flutter_windows_view.cc.

                                                               {
   SendPointerPanZoomEnd(device_id);
 }

◆ OnPointerPanZoomStart()

void flutter::FlutterWindowsView::OnPointerPanZoomStart ( int32_t device_id )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 187 of file flutter_windows_view.cc.

                                                                 {
   PointerLocation point = binding_handler_->GetPrimaryPointerLocation();
   SendPointerPanZoomStart(device_id, point.x, point.y);
 }

References flutter::PointerLocation::x, and flutter::PointerLocation::y.

◆ OnPointerPanZoomUpdate()

void flutter::FlutterWindowsView::OnPointerPanZoomUpdate	(	int32_t	device_id,
		double	pan_x,
		double	pan_y,
		double	scale,
		double	rotation
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 192 of file flutter_windows_view.cc.

                                                                  {
   SendPointerPanZoomUpdate(device_id, pan_x, pan_y, scale, rotation);
 }

◆ OnPointerUp()

void flutter::FlutterWindowsView::OnPointerUp	(	double	x,
		double	y,
		FlutterPointerDeviceKind	device_kind,
		int32_t	device_id,
		FlutterPointerMouseButtons	button
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 167 of file flutter_windows_view.cc.

                                                {
   if (flutter_button != 0) {
     auto state = GetOrCreatePointerState(device_kind, device_id);
     state->buttons &= ~flutter_button;
     SendPointerUp(x, y, state);
   }
 }

◆ OnResetImeComposing()

void flutter::FlutterWindowsView::OnResetImeComposing ( )

overridevirtual

Implements flutter::TextInputPluginDelegate.

Definition at line 267 of file flutter_windows_view.cc.

                                              {
   binding_handler_->OnResetImeComposing();
 }

◆ OnScroll()

void flutter::FlutterWindowsView::OnScroll	(	double	x,
		double	y,
		double	delta_x,
		double	delta_y,
		int	scroll_offset_multiplier,
		FlutterPointerDeviceKind	device_kind,
		int32_t	device_id
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 235 of file flutter_windows_view.cc.

                                                      {
   SendScroll(x, y, delta_x, delta_y, scroll_offset_multiplier, device_kind,
              device_id);
 }

◆ OnScrollInertiaCancel()

void flutter::FlutterWindowsView::OnScrollInertiaCancel ( int32_t device_id )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 246 of file flutter_windows_view.cc.

                                                                 {
   PointerLocation point = binding_handler_->GetPrimaryPointerLocation();
   SendScrollInertiaCancel(device_id, point.x, point.y);
 }

References flutter::PointerLocation::x, and flutter::PointerLocation::y.

◆ OnText()

void flutter::FlutterWindowsView::OnText ( const std::u16string & text )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 204 of file flutter_windows_view.cc.

                                                         {
   SendText(text);
 }

References text.

◆ OnUpdateSemanticsEnabled()

void flutter::FlutterWindowsView::OnUpdateSemanticsEnabled ( bool enabled )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 251 of file flutter_windows_view.cc.

                                                               {
   engine_->UpdateSemanticsEnabled(enabled);
 }

◆ OnWindowRepaint()

void flutter::FlutterWindowsView::OnWindowRepaint ( )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 141 of file flutter_windows_view.cc.

                                          {
   ForceRedraw();
 }

References ForceRedraw().

Referenced by flutter::testing::TEST().

◆ OnWindowSizeChanged()

void flutter::FlutterWindowsView::OnWindowSizeChanged	(	size_t	width,
		size_t	height
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 107 of file flutter_windows_view.cc.

                                                                         {
   // Called on the platform thread.
   std::unique_lock<std::mutex> lock(resize_mutex_);
  
   if (!engine_->surface_manager()) {
     SendWindowMetrics(width, height, binding_handler_->GetDpiScale());
     return;
   }
  
   EGLint surface_width, surface_height;
   engine_->surface_manager()->GetSurfaceDimensions(&surface_width,
                                                    &surface_height);
  
   bool surface_will_update =
       SurfaceWillUpdate(surface_width, surface_height, width, height);
   if (surface_will_update) {
     resize_status_ = ResizeState::kResizeStarted;
     resize_target_width_ = width;
     resize_target_height_ = height;
   }
  
   SendWindowMetrics(width, height, binding_handler_->GetDpiScale());
  
   if (surface_will_update) {
     // Block the platform thread until:
     //   1. GetFrameBufferId is called with the right frame size.
     //   2. Any pending SwapBuffers calls have been invoked.
     resize_cv_.wait_for(lock, kWindowResizeTimeout,
                         [&resize_status = resize_status_] {
                           return resize_status == ResizeState::kDone;
                         });
   }
 }

Referenced by flutter::testing::TEST().

◆ OnWindowStateEvent()

void flutter::FlutterWindowsView::OnWindowStateEvent	(	HWND	hwnd,
		WindowStateEvent	event
	)

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 697 of file flutter_windows_view.cc.

                                                                              {
   if (engine_) {
     engine_->OnWindowStateEvent(hwnd, event);
   }
 }

◆ PresentSoftwareBitmap()

bool flutter::FlutterWindowsView::PresentSoftwareBitmap	(	const void *	allocation,
		size_t	row_bytes,
		size_t	height
	)

Definition at line 583 of file flutter_windows_view.cc.

                                                               {
   return binding_handler_->OnBitmapSurfaceUpdated(allocation, row_bytes,
                                                   height);
 }

◆ SendInitialAccessibilityFeatures()

void flutter::FlutterWindowsView::SendInitialAccessibilityFeatures ( )

Definition at line 614 of file flutter_windows_view.cc.

                                                           {
   binding_handler_->SendInitialAccessibilityFeatures();
 }

◆ SendInitialBounds()

void flutter::FlutterWindowsView::SendInitialBounds ( )

Definition at line 283 of file flutter_windows_view.cc.

                                            {
   PhysicalWindowBounds bounds = binding_handler_->GetPhysicalWindowBounds();
  
   SendWindowMetrics(bounds.width, bounds.height,
                     binding_handler_->GetDpiScale());
 }

References flutter::PhysicalWindowBounds::height, and flutter::PhysicalWindowBounds::width.

◆ SetEngine()

void flutter::FlutterWindowsView::SetEngine ( std::unique_ptr< FlutterWindowsEngine > engine )

Definition at line 61 of file flutter_windows_view.cc.

                                                 {
   engine_ = std::move(engine);
  
   engine_->SetView(this);
  
   PhysicalWindowBounds bounds = binding_handler_->GetPhysicalWindowBounds();
  
   SendWindowMetrics(bounds.width, bounds.height,
                     binding_handler_->GetDpiScale());
 }

References flutter::PhysicalWindowBounds::height, and flutter::PhysicalWindowBounds::width.

Referenced by flutter::testing::TEST().

◆ SetFlutterCursor()

void flutter::FlutterWindowsView::SetFlutterCursor ( HCURSOR cursor )

Definition at line 96 of file flutter_windows_view.cc.

                                                         {
   binding_handler_->SetFlutterCursor(cursor);
 }

◆ SwapBuffers()

bool flutter::FlutterWindowsView::SwapBuffers ( )

Definition at line 548 of file flutter_windows_view.cc.

                                      {
   // Called on an engine-controlled (non-platform) thread.
   std::unique_lock<std::mutex> lock(resize_mutex_);
  
   switch (resize_status_) {
     // SwapBuffer requests during resize are ignored until the frame with the
     // right dimensions has been generated. This is marked with
     // kFrameGenerated resize status.
     case ResizeState::kResizeStarted:
       return false;
     case ResizeState::kFrameGenerated: {
       bool visible = binding_handler_->IsVisible();
       bool swap_buffers_result;
       // For visible windows swap the buffers while resize handler is waiting.
       // For invisible windows unblock the handler first and then swap buffers.
       // SwapBuffers waits for vsync and there's no point doing that for
       // invisible windows.
       if (visible) {
         swap_buffers_result = engine_->surface_manager()->SwapBuffers();
       }
       resize_status_ = ResizeState::kDone;
       lock.unlock();
       resize_cv_.notify_all();
       binding_handler_->OnWindowResized();
       if (!visible) {
         swap_buffers_result = engine_->surface_manager()->SwapBuffers();
       }
       return swap_buffers_result;
     }
     case ResizeState::kDone:
     default:
       return engine_->surface_manager()->SwapBuffers();
   }
 }

◆ UpdateFlutterCursor()

void flutter::FlutterWindowsView::UpdateFlutterCursor ( const std::string & cursor_name )

Definition at line 92 of file flutter_windows_view.cc.

                                                                          {
   binding_handler_->UpdateFlutterCursor(cursor_name);
 }

◆ UpdateHighContrastEnabled()

void flutter::FlutterWindowsView::UpdateHighContrastEnabled ( bool enabled )

overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 618 of file flutter_windows_view.cc.

                                                                {
   engine_->UpdateHighContrastEnabled(enabled);
 }

◆ UpdateSemanticsEnabled()

void flutter::FlutterWindowsView::UpdateSemanticsEnabled ( bool enabled )

virtual

Definition at line 664 of file flutter_windows_view.cc.

                                                             {
   if (semantics_enabled_ != enabled) {
     semantics_enabled_ = enabled;
  
     if (!semantics_enabled_ && accessibility_bridge_) {
       accessibility_bridge_.reset();
     } else if (semantics_enabled_ && !accessibility_bridge_) {
       accessibility_bridge_ = CreateAccessibilityBridge();
     }
   }
 }

References CreateAccessibilityBridge().

The documentation for this class was generated from the following files:

shell/platform/windows/flutter_windows_view.h
shell/platform/windows/flutter_windows_view.cc

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ FlutterWindowsView()

◆ ~FlutterWindowsView()

Member Function Documentation

◆ accessibility_bridge()

◆ AlertNode()

◆ AnnounceAlert()

◆ ClearContext()

◆ CreateAccessibilityBridge()

◆ CreateRenderSurface()

◆ DestroyRenderSurface()

◆ ForceRedraw()

◆ GetAxFragmentRootDelegate()

◆ GetEngine()

◆ GetFrameBufferId()

◆ GetNativeViewAccessible()

◆ GetPlatformWindow()

◆ GetRenderTarget()

◆ MakeCurrent()

◆ MakeResourceCurrent()

◆ NotifyWinEventWrapper()

◆ OnComposeBegin()

◆ OnComposeChange()

◆ OnComposeCommit()

◆ OnComposeEnd()

◆ OnCursorRectUpdated()

◆ OnDwmCompositionChanged()

◆ OnKey()

◆ OnPointerDown()

◆ OnPointerLeave()

◆ OnPointerMove()

◆ OnPointerPanZoomEnd()

◆ OnPointerPanZoomStart()

◆ OnPointerPanZoomUpdate()

◆ OnPointerUp()

◆ OnResetImeComposing()

◆ OnScroll()

◆ OnScrollInertiaCancel()

◆ OnText()

◆ OnUpdateSemanticsEnabled()

◆ OnWindowRepaint()

◆ OnWindowSizeChanged()

◆ OnWindowStateEvent()

◆ PresentSoftwareBitmap()

◆ SendInitialAccessibilityFeatures()

◆ SendInitialBounds()

◆ SetEngine()

◆ SetFlutterCursor()

◆ SwapBuffers()

◆ UpdateFlutterCursor()

◆ UpdateHighContrastEnabled()

◆ UpdateSemanticsEnabled()