// Code generated by wlgen; DO NOT EDIT.
package alphamodifier

import (
	"fmt"
	wayland "github.com/bnema/purego-libwayland/protocol/wayland"
	"github.com/bnema/purego-libwayland/server"
)

var WpAlphaModifierV1Interface *server.Interface
var WpAlphaModifierSurfaceV1Interface *server.Interface

func init() {
	WpAlphaModifierV1Interface = &server.Interface{Name: "wp_alpha_modifier_v1", Version: 1}
	WpAlphaModifierSurfaceV1Interface = &server.Interface{Name: "wp_alpha_modifier_surface_v1", Version: 1}
	WpAlphaModifierV1Interface.Requests = []server.Message{
		{Name: "destroy", Signature: "", Types: []*server.Interface{}},
		{Name: "get_surface", Signature: "no", Types: []*server.Interface{WpAlphaModifierSurfaceV1Interface, wayland.SurfaceInterface}},
	}
	WpAlphaModifierV1Interface.Events = []server.Message{}
	WpAlphaModifierSurfaceV1Interface.Requests = []server.Message{
		{Name: "destroy", Signature: "", Types: []*server.Interface{}},
		{Name: "set_multiplier", Signature: "u", Types: []*server.Interface{nil}},
	}
	WpAlphaModifierSurfaceV1Interface.Events = []server.Message{}
	if err := server.NewInterfaces(WpAlphaModifierV1Interface, WpAlphaModifierSurfaceV1Interface); err != nil {
		panic(err)
	}
}

// WpAlphaModifierV1 surface alpha modifier manager.
type WpAlphaModifierV1 struct{ *server.Resource }

func WrapWpAlphaModifierV1(r *server.Resource) *WpAlphaModifierV1 {
	if r == nil {
		return nil
	}
	return &WpAlphaModifierV1{r}
}

const WpAlphaModifierV1RequestDestroy uint32 = 0
const WpAlphaModifierV1RequestGetSurface uint32 = 1

// WpAlphaModifierV1Error .
type WpAlphaModifierV1Error uint32

const (
	WpAlphaModifierV1ErrorAlreadyConstructed WpAlphaModifierV1Error = 0
)

// WpAlphaModifierV1Handler handles wp_alpha_modifier_v1 requests.
type WpAlphaModifierV1Handler interface {
	Destroy(self *WpAlphaModifierV1)
	GetSurface(self *WpAlphaModifierV1, id uint32, surface *wayland.Surface)
}

func NewWpAlphaModifierV1(c server.Client, version int32, id uint32, h WpAlphaModifierV1Handler) (*WpAlphaModifierV1, error) {
	if h == nil {
		return nil, fmt.Errorf("purego-libwayland: nil handler for wp_alpha_modifier_v1")
	}
	var self *WpAlphaModifierV1
	r, err := c.CreateResource(WpAlphaModifierV1Interface, version, id, func(_ *server.Resource, opcode uint32, args []server.Arg) {
		switch opcode {
		case 0:
			h.Destroy(self)
			self.Destroy()
		case 1:
			h.GetSurface(self, args[0].NewID(), wayland.WrapSurface(args[1].Resource()))
		}
	})
	if err != nil {
		return nil, err
	}
	self = WrapWpAlphaModifierV1(r)
	r.Data = self
	return self, nil
}
func NewWpAlphaModifierV1Global(d *server.Display, version int32, bind server.BindFunc) error {
	return d.CreateGlobal(WpAlphaModifierV1Interface, version, bind)
}

// WpAlphaModifierSurfaceV1 alpha modifier object for a surface.
type WpAlphaModifierSurfaceV1 struct{ *server.Resource }

func WrapWpAlphaModifierSurfaceV1(r *server.Resource) *WpAlphaModifierSurfaceV1 {
	if r == nil {
		return nil
	}
	return &WpAlphaModifierSurfaceV1{r}
}

const WpAlphaModifierSurfaceV1RequestDestroy uint32 = 0
const WpAlphaModifierSurfaceV1RequestSetMultiplier uint32 = 1

// WpAlphaModifierSurfaceV1Error .
type WpAlphaModifierSurfaceV1Error uint32

const (
	WpAlphaModifierSurfaceV1ErrorNoSurface WpAlphaModifierSurfaceV1Error = 0
)

// WpAlphaModifierSurfaceV1Handler handles wp_alpha_modifier_surface_v1 requests.
type WpAlphaModifierSurfaceV1Handler interface {
	Destroy(self *WpAlphaModifierSurfaceV1)
	SetMultiplier(self *WpAlphaModifierSurfaceV1, factor uint32)
}

func NewWpAlphaModifierSurfaceV1(c server.Client, version int32, id uint32, h WpAlphaModifierSurfaceV1Handler) (*WpAlphaModifierSurfaceV1, error) {
	if h == nil {
		return nil, fmt.Errorf("purego-libwayland: nil handler for wp_alpha_modifier_surface_v1")
	}
	var self *WpAlphaModifierSurfaceV1
	r, err := c.CreateResource(WpAlphaModifierSurfaceV1Interface, version, id, func(_ *server.Resource, opcode uint32, args []server.Arg) {
		switch opcode {
		case 0:
			h.Destroy(self)
			self.Destroy()
		case 1:
			h.SetMultiplier(self, args[0].Uint())
		}
	})
	if err != nil {
		return nil, err
	}
	self = WrapWpAlphaModifierSurfaceV1(r)
	r.Data = self
	return self, nil
}
func NewWpAlphaModifierSurfaceV1Global(d *server.Display, version int32, bind server.BindFunc) error {
	return d.CreateGlobal(WpAlphaModifierSurfaceV1Interface, version, bind)
}
func resourceOf(v interface{ GetResource() *server.Resource }) *server.Resource {
	if v == nil {
		return nil
	}
	return v.GetResource()
}
func (self *WpAlphaModifierV1) GetResource() *server.Resource {
	if self == nil {
		return nil
	}
	return self.Resource
}
func (self *WpAlphaModifierSurfaceV1) GetResource() *server.Resource {
	if self == nil {
		return nil
	}
	return self.Resource
}