dart_ui.cc File Reference

#include "flutter/lib/ui/dart_ui.h"
#include <mutex>
#include <string_view>
#include "flutter/common/constants.h"
#include "flutter/common/settings.h"
#include "flutter/fml/build_config.h"
#include "flutter/lib/ui/compositing/scene.h"
#include "flutter/lib/ui/compositing/scene_builder.h"
#include "flutter/lib/ui/dart_runtime_hooks.h"
#include "flutter/lib/ui/isolate_name_server/isolate_name_server_natives.h"
#include "flutter/lib/ui/painting/canvas.h"
#include "flutter/lib/ui/painting/codec.h"
#include "flutter/lib/ui/painting/color_filter.h"
#include "flutter/lib/ui/painting/engine_layer.h"
#include "flutter/lib/ui/painting/fragment_program.h"
#include "flutter/lib/ui/painting/fragment_shader.h"
#include "flutter/lib/ui/painting/gradient.h"
#include "flutter/lib/ui/painting/image.h"
#include "flutter/lib/ui/painting/image_descriptor.h"
#include "flutter/lib/ui/painting/image_filter.h"
#include "flutter/lib/ui/painting/image_shader.h"
#include "flutter/lib/ui/painting/immutable_buffer.h"
#include "flutter/lib/ui/painting/path.h"
#include "flutter/lib/ui/painting/path_measure.h"
#include "flutter/lib/ui/painting/picture.h"
#include "flutter/lib/ui/painting/picture_recorder.h"
#include "flutter/lib/ui/painting/vertices.h"
#include "flutter/lib/ui/semantics/semantics_update.h"
#include "flutter/lib/ui/semantics/semantics_update_builder.h"
#include "flutter/lib/ui/semantics/string_attribute.h"
#include "flutter/lib/ui/text/font_collection.h"
#include "flutter/lib/ui/text/paragraph.h"
#include "flutter/lib/ui/text/paragraph_builder.h"
#include "flutter/lib/ui/window/platform_configuration.h"
#include "flutter/lib/ui/window/platform_isolate.h"
#include "third_party/tonic/converter/dart_converter.h"
#include "third_party/tonic/dart_args.h"
#include "third_party/tonic/logging/dart_error.h"

Go to the source code of this file.

Namespaces
namespace	flutter

Macros
#define	FFI_FUNCTION_LIST(V)
#define	FFI_METHOD_LIST(V)
#define	FFI_FUNCTION_INSERT(FUNCTION)
#define	FFI_METHOD_INSERT(CLASS, METHOD)

Typedefs
typedef CanvasImage	flutter::Image
typedef CanvasPathMeasure	flutter::PathMeasure
typedef CanvasGradient	flutter::Gradient
typedef CanvasPath	flutter::Path

Macro Definition Documentation

FFI_FUNCTION_INSERT

#define FFI_FUNCTION_INSERT

(

FUNCTION

)

Value:

  g_function_dispatchers.insert(std::make_pair( \
      std::string_view(#FUNCTION),              \
      reinterpret_cast<void*>(                  \
          tonic::FfiDispatcher<void, decltype(&FUNCTION), &FUNCTION>::Call)));

Definition at line 332 of file dart_ui.cc.

          {
 
std::once_flag g_dispatchers_init_flag;
std::unordered_map<std::string_view, void*> g_function_dispatchers;
 
void* ResolveFfiNativeFunction(const char* name, uintptr_t args) {
  auto it = g_function_dispatchers.find(name);
  return (it != g_function_dispatchers.end()) ? it->second : nullptr;
}
 
void InitDispatcherMap() {
  FFI_FUNCTION_LIST(FFI_FUNCTION_INSERT)
  FFI_METHOD_LIST(FFI_METHOD_INSERT)
 
#ifdef IMPELLER_ENABLE_3D
  FFI_FUNCTION_LIST_3D(FFI_FUNCTION_INSERT)
  FFI_METHOD_LIST_3D(FFI_METHOD_INSERT)
#endif  // IMPELLER_ENABLE_3D
}
 
}  // anonymous namespace
 
void DartUI::InitForIsolate(const Settings& settings) {
  std::call_once(g_dispatchers_init_flag, InitDispatcherMap);
 
  auto dart_ui = Dart_LookupLibrary(ToDart("dart:ui"));
  if (Dart_IsError(dart_ui)) {
    Dart_PropagateError(dart_ui);
  }
 
  // Set up FFI Native resolver for dart:ui.
  Dart_Handle result =
      Dart_SetFfiNativeResolver(dart_ui, ResolveFfiNativeFunction);
  if (Dart_IsError(result)) {
    Dart_PropagateError(result);
  }
 
  if (settings.enable_impeller) {
    result = Dart_SetField(dart_ui, ToDart("_impellerEnabled"), Dart_True());
    if (Dart_IsError(result)) {
      Dart_PropagateError(result);
    }
  }
 
  if (settings.enable_platform_isolates) {
    result =
        Dart_SetField(dart_ui, ToDart("_platformIsolatesEnabled"), Dart_True());
    if (Dart_IsError(result)) {
      Dart_PropagateError(result);
    }
  }
 
  result = Dart_SetField(dart_ui, ToDart("_implicitViewId"),
                         Dart_NewInteger(kFlutterImplicitViewId));
  if (Dart_IsError(result)) {
    Dart_PropagateError(result);
  }
}
 
}  // namespace flutter

FFI_FUNCTION_LIST

#define FFI_FUNCTION_LIST

(

V

)

Definition at line 73 of file dart_ui.cc.

FFI_METHOD_INSERT

#define FFI_METHOD_INSERT	(		CLASS,
			METHOD
	)

Value:

  g_function_dispatchers.insert(                                               \
      std::make_pair(std::string_view(#CLASS "::" #METHOD),                    \
                     reinterpret_cast<void*>(                                  \
                         tonic::FfiDispatcher<CLASS, decltype(&CLASS::METHOD), \
                                              &CLASS::METHOD>::Call)));

Definition at line 338 of file dart_ui.cc.

FFI_METHOD_LIST

#define FFI_METHOD_LIST

(

V

)

Definition at line 142 of file dart_ui.cc.