embedder

type DataCallback struct {
	// Handle func
	Handle func(binaryReply []byte)
}

type FlutterEngine struct {
	// Flutter Engine.
	Engine C.FlutterEngine

	// GL callback functions
	GLMakeCurrent                  func() bool
	GLClearCurrent                 func() bool
	GLPresent                      func() bool
	GLFboCallback                  func() int32
	GLMakeResourceCurrent          func() bool
	GLProcResolver                 func(procName string) unsafe.Pointer
	GLExternalTextureFrameCallback func(textureID int64, width int, height int) *FlutterOpenGLTexture

	// task runner interop
	TaskRunnerRunOnCurrentThread func() bool
	TaskRunnerPostTask           func(trask FlutterTask, targetTimeNanos uint64)

	// platform message callback function
	PlatfromMessage func(message *PlatformMessage)

	// Engine arguments
	AssetsPath  string
	IcuDataPath string

	// AOT ELF snopshot path
	// only required for AOT app.
	ElfSnapshotPath string
	// contains filtered or unexported fields
}

type FlutterOpenGLTexture struct {
	// Target texture of the active texture unit (example GL_TEXTURE_2D)
	Target uint32
	// The name of the texture
	Name uint32
	// The texture format (example GL_RGBA8)
	Format uint32
}

type FlutterTask = C.FlutterTask

type PlatformMessage struct {
	Channel string
	Message []byte

	// ResponseHandle is set on some received platform message. All
	// PlatformMessage received with this attribute must send a response with
	// `SendPlatformMessageResponse`.
	// ResponseHandle can also be created from the embedder side when a
	// platform(golang) message needs native callback.
	ResponseHandle PlatformMessageResponseHandle
}

type PlatformMessageResponseHandle uintptr

type PointerButtonMouse int64

type PointerDeviceKind int32

type PointerEvent struct {
	Phase        PointerPhase
	X            float64
	Y            float64
	SignalKind   PointerSignalKind
	ScrollDeltaX float64
	ScrollDeltaY float64
	Buttons      PointerButtonMouse
}

type PointerPhase int32

type PointerSignalKind int32

type Result int32

type WindowMetricsEvent struct {
	Width      int
	Height     int
	PixelRatio float64
}