energy/cef/types-dialog-handler.go
2023-05-31 18:00:34 +08:00

102 lines
2.7 KiB
Go

//----------------------------------------
//
// Copyright © yanghy. All Rights Reserved.
//
// Licensed under Apache License Version 2.0, January 2004
//
// https://www.apache.org/licenses/LICENSE-2.0
//
//----------------------------------------
package cef
import (
"github.com/energye/energy/v2/common/imports"
"github.com/energye/energy/v2/consts"
"github.com/energye/golcl/lcl"
"github.com/energye/golcl/lcl/api"
"unsafe"
)
// ************************** creates ************************** //
// DialogHandlerRef -> ICefDialogHandler
var DialogHandlerRef dialogHandler
type dialogHandler uintptr
func (*dialogHandler) New() *ICefDialogHandler {
var result uintptr
imports.Proc(internale_CefDialogHandlerRef_Create).Call(uintptr(unsafe.Pointer(&result)))
if result != 0 {
return &ICefDialogHandler{instance: unsafe.Pointer(result)}
}
return nil
}
// ************************** impl ************************** //
// Instance 实例
func (m *ICefDialogHandler) Instance() uintptr {
if m == nil {
return 0
}
return uintptr(m.instance)
}
func (m *ICefDialogHandler) Free() {
if m.instance != nil {
m.base.Free(m.Instance())
m.instance = nil
}
}
func (m *ICefDialogHandler) IsValid() bool {
if m == nil || m.instance == nil {
return false
}
return m.instance != nil
}
func (m *ICefDialogHandler) SetOnFileDialog(fn onFileDialog) {
if !m.IsValid() {
return
}
imports.Proc(internale_CefDialogHandler_OnFileDialog).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
// ************************** events ************************** //
type onFileDialog func(browser *ICefBrowser, mode consts.TCefFileDialogMode, title, defaultFilePath string, acceptFilters []string, callback *ICefFileDialogCallback) bool
func init() {
lcl.RegisterExtEventCallback(func(fn interface{}, getVal func(idx int) uintptr) bool {
getPtr := func(i int) unsafe.Pointer {
return unsafe.Pointer(getVal(i))
}
switch fn.(type) {
case onFileDialog:
browse := &ICefBrowser{instance: getPtr(0)}
mode := consts.TCefFileDialogMode(getVal(1))
title := api.GoStr(getVal(2))
defaultFilePath := api.GoStr(getVal(3))
acceptFiltersList := lcl.AsStrings(getVal(4))
callback := &ICefFileDialogCallback{instance: getPtr(5)}
result := (*bool)(getPtr(6))
var acceptFilters []string
if acceptFiltersList.IsValid() {
count := int(acceptFiltersList.Count())
acceptFilters = make([]string, count, count)
for i := 0; i < count; i++ {
acceptFilters[i] = acceptFiltersList.Strings(int32(i))
}
acceptFiltersList.Free()
}
*result = fn.(onFileDialog)(browse, mode, title, defaultFilePath, acceptFilters, callback)
default:
return false
}
return true
})
}