Flutter Windows Embedder
flutter::FlutterWindowsView Class Reference

#include <flutter_windows_view.h>

Inheritance diagram for flutter::FlutterWindowsView:
flutter::WindowBindingHandlerDelegate flutter::testing::MockFlutterWindowsView flutter::testing::MockFlutterWindowsView flutter::testing::MockFlutterWindowsView flutter::testing::MockFlutterWindowsView

Public Member Functions

 FlutterWindowsView (FlutterViewId view_id, FlutterWindowsEngine *engine, std::unique_ptr< WindowBindingHandler > window_binding, std::shared_ptr< WindowsProcTable > windows_proc_table=nullptr)
 
virtual ~FlutterWindowsView ()
 
FlutterViewId view_id () const
 
bool IsImplicitView () const
 
void CreateRenderSurface ()
 
egl::WindowSurfacesurface () const
 
virtual HWND GetWindowHandle () const
 
FlutterWindowsEngineGetEngine () const
 
void ForceRedraw ()
 
virtual bool ClearSoftwareBitmap ()
 
virtual bool PresentSoftwareBitmap (const void *allocation, size_t row_bytes, size_t height)
 
FlutterWindowMetricsEvent CreateWindowMetricsEvent () const
 
void SendInitialBounds ()
 
void AnnounceAlert (const std::wstring &text)
 
void OnHighContrastChanged () override
 
bool OnEmptyFrameGenerated ()
 
bool OnFrameGenerated (size_t width, size_t height)
 
virtual void OnFramePresented ()
 
void UpdateFlutterCursor (const std::string &cursor_name)
 
void SetFlutterCursor (HCURSOR cursor)
 
bool 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
 
virtual void OnCursorRectUpdated (const Rect &rect)
 
virtual void OnResetImeComposing ()
 
void OnDwmCompositionChanged ()
 
ui::AXPlatformNodeWin * AlertNode () const
 
virtual ui::AXFragmentRootDelegateWin * GetAxFragmentRootDelegate () override
 
virtual void UpdateSemanticsEnabled (bool enabled)
 
std::weak_ptr< AccessibilityBridgeWindowsaccessibility_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< AccessibilityBridgeWindowsCreateAccessibilityBridge ()
 

Friends

class ViewModifier
 

Additional Inherited Members

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

Detailed Description

Definition at line 34 of file flutter_windows_view.h.

Constructor & Destructor Documentation

◆ FlutterWindowsView()

flutter::FlutterWindowsView::FlutterWindowsView ( FlutterViewId  view_id,
FlutterWindowsEngine engine,
std::unique_ptr< WindowBindingHandler window_binding,
std::shared_ptr< WindowsProcTable windows_proc_table = nullptr 
)

Definition at line 104 of file flutter_windows_view.cc.

109  : view_id_(view_id),
110  engine_(engine),
111  windows_proc_table_(std::move(windows_proc_table)) {
112  if (windows_proc_table_ == nullptr) {
113  windows_proc_table_ = std::make_shared<WindowsProcTable>();
114  }
115 
116  // Take the binding handler, and give it a pointer back to self.
117  binding_handler_ = std::move(window_binding);
118  binding_handler_->SetView(this);
119 }

◆ ~FlutterWindowsView()

flutter::FlutterWindowsView::~FlutterWindowsView ( )
virtual

Definition at line 121 of file flutter_windows_view.cc.

121  {
122  // The view owns the child window.
123  // Notify the engine the view's child window will no longer be visible.
125 
126  if (surface_) {
127  DestroyWindowSurface(*engine_, std::move(surface_));
128  }
129 }

References GetWindowHandle(), flutter::kHide, and flutter::FlutterWindowsEngine::OnWindowStateEvent().

Member Function Documentation

◆ accessibility_bridge()

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

Definition at line 242 of file flutter_windows_view.h.

242  {
243  return accessibility_bridge_;
244  }

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

◆ AlertNode()

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

Definition at line 787 of file flutter_windows_view.cc.

787  {
788  return binding_handler_->GetAlert();
789 }

◆ AnnounceAlert()

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

Definition at line 766 of file flutter_windows_view.cc.

766  {
767  auto alert_delegate = binding_handler_->GetAlertDelegate();
768  if (!alert_delegate) {
769  return;
770  }
771  alert_delegate->SetText(fml::WideStringToUtf16(text));
772  ui::AXPlatformNodeWin* alert_node = binding_handler_->GetAlert();
773  NotifyWinEventWrapper(alert_node, ax::mojom::Event::kAlert);
774 }

References NotifyWinEventWrapper(), and text.

◆ ClearSoftwareBitmap()

bool flutter::FlutterWindowsView::ClearSoftwareBitmap ( )
virtual

Definition at line 678 of file flutter_windows_view.cc.

678  {
679  return binding_handler_->OnBitmapSurfaceCleared();
680 }

Referenced by flutter::CompositorSoftware::Present().

◆ CreateAccessibilityBridge()

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

Definition at line 792 of file flutter_windows_view.cc.

792  {
793  return std::make_shared<AccessibilityBridgeWindows>(this);
794 }

Referenced by UpdateSemanticsEnabled().

◆ CreateRenderSurface()

void flutter::FlutterWindowsView::CreateRenderSurface ( )

Definition at line 697 of file flutter_windows_view.cc.

697  {
698  FML_DCHECK(surface_ == nullptr);
699 
700  if (engine_->egl_manager()) {
701  PhysicalWindowBounds bounds = binding_handler_->GetPhysicalWindowBounds();
702  surface_ = engine_->egl_manager()->CreateWindowSurface(
703  GetWindowHandle(), bounds.width, bounds.height);
704 
705  UpdateVsync(*engine_, surface_.get(), NeedsVsync());
706 
707  resize_target_width_ = bounds.width;
708  resize_target_height_ = bounds.height;
709  }
710 }

References flutter::egl::Manager::CreateWindowSurface(), flutter::FlutterWindowsEngine::egl_manager(), GetWindowHandle(), flutter::PhysicalWindowBounds::height, and flutter::PhysicalWindowBounds::width.

◆ CreateWindowMetricsEvent()

FlutterWindowMetricsEvent flutter::FlutterWindowsView::CreateWindowMetricsEvent ( ) const

Definition at line 375 of file flutter_windows_view.cc.

375  {
376  PhysicalWindowBounds bounds = binding_handler_->GetPhysicalWindowBounds();
377  double pixel_ratio = binding_handler_->GetDpiScale();
378 
379  FlutterWindowMetricsEvent event = {};
380  event.struct_size = sizeof(event);
381  event.width = bounds.width;
382  event.height = bounds.height;
383  event.pixel_ratio = pixel_ratio;
384  event.view_id = view_id_;
385 
386  return event;
387 }

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

Referenced by SendInitialBounds().

◆ ForceRedraw()

void flutter::FlutterWindowsView::ForceRedraw ( )

Definition at line 187 of file flutter_windows_view.cc.

187  {
188  if (resize_status_ == ResizeState::kDone) {
189  // Request new frame.
190  engine_->ScheduleFrame();
191  }
192 }

References flutter::FlutterWindowsEngine::ScheduleFrame().

Referenced by OnWindowRepaint().

◆ GetAxFragmentRootDelegate()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 783 of file flutter_windows_view.cc.

783  {
784  return accessibility_bridge_.get();
785 }

◆ GetEngine()

FlutterWindowsEngine * flutter::FlutterWindowsView::GetEngine ( ) const

Definition at line 762 of file flutter_windows_view.cc.

762  {
763  return engine_;
764 }

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

◆ GetNativeViewAccessible()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 346 of file flutter_windows_view.cc.

346  {
347  if (!accessibility_bridge_) {
348  return nullptr;
349  }
350 
351  return accessibility_bridge_->GetChildOfAXFragmentRoot();
352 }

◆ GetWindowHandle()

◆ IsImplicitView()

bool flutter::FlutterWindowsView::IsImplicitView ( ) const

Definition at line 693 of file flutter_windows_view.cc.

693  {
694  return view_id_ == kImplicitViewId;
695 }

References flutter::kImplicitViewId.

Referenced by SendInitialBounds().

◆ NotifyWinEventWrapper()

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

Definition at line 776 of file flutter_windows_view.cc.

777  {
778  if (node) {
779  node->NotifyAccessibilityEvent(event);
780  }
781 }

Referenced by AnnounceAlert().

◆ OnComposeBegin()

void flutter::FlutterWindowsView::OnComposeBegin ( )
overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 309 of file flutter_windows_view.cc.

309  {
310  SendComposeBegin();
311 }

◆ OnComposeChange()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 321 of file flutter_windows_view.cc.

322  {
323  SendComposeChange(text, cursor_pos);
324 }

References text.

◆ OnComposeCommit()

void flutter::FlutterWindowsView::OnComposeCommit ( )
overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 313 of file flutter_windows_view.cc.

313  {
314  SendComposeCommit();
315 }

◆ OnComposeEnd()

void flutter::FlutterWindowsView::OnComposeEnd ( )
overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 317 of file flutter_windows_view.cc.

317  {
318  SendComposeEnd();
319 }

◆ OnCursorRectUpdated()

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

Definition at line 354 of file flutter_windows_view.cc.

354  {
355  binding_handler_->OnCursorRectUpdated(rect);
356 }

◆ OnDwmCompositionChanged()

void flutter::FlutterWindowsView::OnDwmCompositionChanged ( )

Definition at line 808 of file flutter_windows_view.cc.

808  {
809  UpdateVsync(*engine_, surface_.get(), NeedsVsync());
810 }

◆ OnEmptyFrameGenerated()

bool flutter::FlutterWindowsView::OnEmptyFrameGenerated ( )

Definition at line 131 of file flutter_windows_view.cc.

131  {
132  // Called on the raster thread.
133  std::unique_lock<std::mutex> lock(resize_mutex_);
134 
135  if (surface_ == nullptr || !surface_->IsValid()) {
136  return false;
137  }
138 
139  if (resize_status_ != ResizeState::kResizeStarted) {
140  return true;
141  }
142 
143  if (!ResizeRenderSurface(resize_target_height_, resize_target_width_)) {
144  return false;
145  }
146 
147  // Platform thread is blocked for the entire duration until the
148  // resize_status_ is set to kDone by |OnFramePresented|.
149  resize_status_ = ResizeState::kFrameGenerated;
150  return true;
151 }

◆ OnFrameGenerated()

bool flutter::FlutterWindowsView::OnFrameGenerated ( size_t  width,
size_t  height 
)

Definition at line 153 of file flutter_windows_view.cc.

153  {
154  // Called on the raster thread.
155  std::unique_lock<std::mutex> lock(resize_mutex_);
156 
157  if (surface_ == nullptr || !surface_->IsValid()) {
158  return false;
159  }
160 
161  if (resize_status_ != ResizeState::kResizeStarted) {
162  return true;
163  }
164 
165  if (resize_target_width_ != width || resize_target_height_ != height) {
166  return false;
167  }
168 
169  if (!ResizeRenderSurface(resize_target_width_, resize_target_height_)) {
170  return false;
171  }
172 
173  // Platform thread is blocked for the entire duration until the
174  // resize_status_ is set to kDone by |OnFramePresented|.
175  resize_status_ = ResizeState::kFrameGenerated;
176  return true;
177 }

Referenced by flutter::CompositorOpenGL::Present().

◆ OnFramePresented()

void flutter::FlutterWindowsView::OnFramePresented ( )
virtual

Definition at line 646 of file flutter_windows_view.cc.

646  {
647  // Called on the engine's raster thread.
648  std::unique_lock<std::mutex> lock(resize_mutex_);
649 
650  switch (resize_status_) {
651  case ResizeState::kResizeStarted:
652  // The caller must first call |OnFrameGenerated| or
653  // |OnEmptyFrameGenerated| before calling this method. This
654  // indicates one of the following:
655  //
656  // 1. The caller did not call these methods.
657  // 2. The caller ignored these methods' result.
658  // 3. The platform thread started a resize after the caller called these
659  // methods. We might have presented a frame of the wrong size to the
660  // view.
661  return;
662  case ResizeState::kFrameGenerated: {
663  // A frame was generated for a pending resize.
664  // Unblock the platform thread.
665  resize_status_ = ResizeState::kDone;
666  lock.unlock();
667  resize_cv_.notify_all();
668 
669  // Blocking the raster thread until DWM flushes alleviates glitches where
670  // previous size surface is stretched over current size view.
671  windows_proc_table_->DwmFlush();
672  }
673  case ResizeState::kDone:
674  return;
675  }
676 }

Referenced by flutter::CompositorOpenGL::Present().

◆ OnHighContrastChanged()

void flutter::FlutterWindowsView::OnHighContrastChanged ( )
overridevirtual

◆ 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 299 of file flutter_windows_view.cc.

305  {
307 }

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 245 of file flutter_windows_view.cc.

250  {
251  if (flutter_button != 0) {
252  auto state = GetOrCreatePointerState(device_kind, device_id);
253  state->buttons |= flutter_button;
254  SendPointerDown(x, y, state);
255  }
256 }

◆ OnPointerLeave()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 271 of file flutter_windows_view.cc.

274  {
275  SendPointerLeave(x, y, GetOrCreatePointerState(device_kind, device_id));
276 }

◆ 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 236 of file flutter_windows_view.cc.

240  {
241  engine_->keyboard_key_handler()->SyncModifiersIfNeeded(modifiers_state);
242  SendPointerMove(x, y, GetOrCreatePointerState(device_kind, device_id));
243 }

References flutter::FlutterWindowsEngine::keyboard_key_handler(), and flutter::KeyboardHandlerBase::SyncModifiersIfNeeded().

◆ OnPointerPanZoomEnd()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 291 of file flutter_windows_view.cc.

291  {
292  SendPointerPanZoomEnd(device_id);
293 }

◆ OnPointerPanZoomStart()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 278 of file flutter_windows_view.cc.

278  {
279  PointerLocation point = binding_handler_->GetPrimaryPointerLocation();
280  SendPointerPanZoomStart(device_id, point.x, point.y);
281 }

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 283 of file flutter_windows_view.cc.

287  {
288  SendPointerPanZoomUpdate(device_id, pan_x, pan_y, scale, rotation);
289 }

◆ 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 258 of file flutter_windows_view.cc.

263  {
264  if (flutter_button != 0) {
265  auto state = GetOrCreatePointerState(device_kind, device_id);
266  state->buttons &= ~flutter_button;
267  SendPointerUp(x, y, state);
268  }
269 }

◆ OnResetImeComposing()

void flutter::FlutterWindowsView::OnResetImeComposing ( )
virtual

Definition at line 358 of file flutter_windows_view.cc.

358  {
359  binding_handler_->OnResetImeComposing();
360 }

◆ 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 326 of file flutter_windows_view.cc.

332  {
333  SendScroll(x, y, delta_x, delta_y, scroll_offset_multiplier, device_kind,
334  device_id);
335 }

◆ OnScrollInertiaCancel()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 337 of file flutter_windows_view.cc.

337  {
338  PointerLocation point = binding_handler_->GetPrimaryPointerLocation();
339  SendScrollInertiaCancel(device_id, point.x, point.y);
340 }

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

◆ OnText()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 295 of file flutter_windows_view.cc.

295  {
296  SendText(text);
297 }

References text.

◆ OnUpdateSemanticsEnabled()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 342 of file flutter_windows_view.cc.

342  {
343  engine_->UpdateSemanticsEnabled(enabled);
344 }

References flutter::FlutterWindowsEngine::UpdateSemanticsEnabled().

◆ OnWindowRepaint()

void flutter::FlutterWindowsView::OnWindowRepaint ( )
overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 232 of file flutter_windows_view.cc.

232  {
233  ForceRedraw();
234 }

References ForceRedraw().

◆ OnWindowSizeChanged()

bool flutter::FlutterWindowsView::OnWindowSizeChanged ( size_t  width,
size_t  height 
)
overridevirtual

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 194 of file flutter_windows_view.cc.

194  {
195  // Called on the platform thread.
196  std::unique_lock<std::mutex> lock(resize_mutex_);
197 
198  if (!engine_->egl_manager()) {
199  SendWindowMetrics(width, height, binding_handler_->GetDpiScale());
200  return true;
201  }
202 
203  if (!surface_ || !surface_->IsValid()) {
204  SendWindowMetrics(width, height, binding_handler_->GetDpiScale());
205  return true;
206  }
207 
208  // We're using OpenGL rendering. Resizing the surface must happen on the
209  // raster thread.
210  bool surface_will_update =
211  SurfaceWillUpdate(surface_->width(), surface_->height(), width, height);
212  if (!surface_will_update) {
213  SendWindowMetrics(width, height, binding_handler_->GetDpiScale());
214  return true;
215  }
216 
217  resize_status_ = ResizeState::kResizeStarted;
218  resize_target_width_ = width;
219  resize_target_height_ = height;
220 
221  SendWindowMetrics(width, height, binding_handler_->GetDpiScale());
222 
223  // Block the platform thread until a frame is presented with the target
224  // size. See |OnFrameGenerated|, |OnEmptyFrameGenerated|, and
225  // |OnFramePresented|.
226  return resize_cv_.wait_for(lock, kWindowResizeTimeout,
227  [&resize_status = resize_status_] {
228  return resize_status == ResizeState::kDone;
229  });
230 }

References flutter::FlutterWindowsEngine::egl_manager().

◆ OnWindowStateEvent()

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

Implements flutter::WindowBindingHandlerDelegate.

Definition at line 812 of file flutter_windows_view.cc.

812  {
813  engine_->OnWindowStateEvent(hwnd, event);
814 }

References flutter::FlutterWindowsEngine::OnWindowStateEvent().

◆ PresentSoftwareBitmap()

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

Definition at line 682 of file flutter_windows_view.cc.

684  {
685  return binding_handler_->OnBitmapSurfaceUpdated(allocation, row_bytes,
686  height);
687 }

Referenced by flutter::CompositorSoftware::Present().

◆ SendInitialBounds()

void flutter::FlutterWindowsView::SendInitialBounds ( )

Definition at line 389 of file flutter_windows_view.cc.

389  {
390  // Non-implicit views' initial window metrics are sent when the view is added
391  // to the engine.
392  if (!IsImplicitView()) {
393  return;
394  }
395 
397 }

References CreateWindowMetricsEvent(), IsImplicitView(), and flutter::FlutterWindowsEngine::SendWindowMetricsEvent().

◆ SetFlutterCursor()

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

Definition at line 183 of file flutter_windows_view.cc.

183  {
184  binding_handler_->SetFlutterCursor(cursor);
185 }

◆ surface()

egl::WindowSurface * flutter::FlutterWindowsView::surface ( ) const

Definition at line 750 of file flutter_windows_view.cc.

750  {
751  return surface_.get();
752 }

Referenced by flutter::CompositorOpenGL::Present().

◆ UpdateFlutterCursor()

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

Definition at line 179 of file flutter_windows_view.cc.

179  {
180  binding_handler_->UpdateFlutterCursor(cursor_name);
181 }

◆ UpdateSemanticsEnabled()

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

Definition at line 796 of file flutter_windows_view.cc.

796  {
797  if (semantics_enabled_ != enabled) {
798  semantics_enabled_ = enabled;
799 
800  if (!semantics_enabled_ && accessibility_bridge_) {
801  accessibility_bridge_.reset();
802  } else if (semantics_enabled_ && !accessibility_bridge_) {
803  accessibility_bridge_ = CreateAccessibilityBridge();
804  }
805  }
806 }

References CreateAccessibilityBridge().

◆ view_id()

FlutterViewId flutter::FlutterWindowsView::view_id ( ) const

Definition at line 689 of file flutter_windows_view.cc.

689  {
690  return view_id_;
691 }

Friends And Related Function Documentation

◆ ViewModifier

friend class ViewModifier
friend

Definition at line 259 of file flutter_windows_view.h.


The documentation for this class was generated from the following files:
flutter::kImplicitViewId
constexpr FlutterViewId kImplicitViewId
Definition: flutter_windows_engine.h:55
flutter::WindowStateEvent::kHide
@ kHide
scancode
int scancode
Definition: keyboard_key_handler_unittests.cc:115
was_down
bool was_down
Definition: keyboard_key_handler_unittests.cc:119
extended
bool extended
Definition: keyboard_key_handler_unittests.cc:118
character
char32_t character
Definition: keyboard_key_handler_unittests.cc:117
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Definition: flutter_windows_view.cc:187
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Definition: flutter_windows_view.cc:693
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Definition: flutter_windows_view.cc:758
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Definition: keyboard_unittests.cc:332
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Definition: flutter_windows_engine.cc:678
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Definition: flutter_windows_view.cc:689
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Definition: flutter_windows_engine.h:182
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Definition: flutter_windows_view.cc:776
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Definition: flutter_windows_engine.cc:758
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Definition: flutter_windows_engine.cc:920
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Definition: flutter_windows_view.cc:792
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Definition: flutter_windows_engine.cc:885
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Definition: flutter_windows_engine.h:165
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Definition: keyboard_key_handler_unittests.cc:114
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Definition: flutter_windows_view.cc:375
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Definition: flutter_windows_engine.cc:961
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