mirror of
https://gitee.com/energye/energy.git
synced 2024-12-14 09:21:14 +08:00
128 lines
3.3 KiB
Go
128 lines
3.3 KiB
Go
//----------------------------------------
|
|
//
|
|
// Copyright © yanghy. All Rights Reserved.
|
|
//
|
|
// Licensed under Apache License Version 2.0, January 2004
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
//----------------------------------------
|
|
|
|
// CEF v8 对象字段&值访问器(读取/写入) V8AccessorRef.New()
|
|
//
|
|
// ICefV8Value
|
|
|
|
package cef
|
|
|
|
import (
|
|
"github.com/energye/energy/v2/cef/internal/def"
|
|
"github.com/energye/energy/v2/common/imports"
|
|
"github.com/energye/golcl/lcl"
|
|
"github.com/energye/golcl/lcl/api"
|
|
"unsafe"
|
|
)
|
|
|
|
// V8AccessorGet 读取时函数
|
|
// name 字段或对象名
|
|
// retVal 读取返回的值
|
|
// exception 返回的异常信息
|
|
// return true 读取成功-返回值有效
|
|
type V8AccessorGet func(name string, object *ICefV8Value, retVal *ResultV8Value, exception *ResultString) bool
|
|
|
|
// V8AccessorSet 写入时函数
|
|
// name 字段或对象名
|
|
// value 将要写入的新值
|
|
// exception 返回的异常信息
|
|
// return true 写入成功
|
|
type V8AccessorSet func(name string, object *ICefV8Value, value *ICefV8Value, exception *ResultString) bool
|
|
|
|
//V8AccessorRef -> ICefV8Accessor
|
|
var V8AccessorRef cefV8Accessor
|
|
|
|
// cefV8Accessor
|
|
type cefV8Accessor uintptr
|
|
|
|
// New 创建一个v8对象访问器
|
|
func (*cefV8Accessor) New() *ICefV8Accessor {
|
|
var result uintptr
|
|
imports.Proc(def.CefV8Accessor_Create).Call(uintptr(unsafe.Pointer(&result)))
|
|
return &ICefV8Accessor{
|
|
instance: unsafe.Pointer(result),
|
|
}
|
|
}
|
|
|
|
// Instance 实例
|
|
func (m *ICefV8Accessor) Instance() uintptr {
|
|
if m == nil {
|
|
return 0
|
|
}
|
|
return uintptr(m.instance)
|
|
}
|
|
|
|
//Get 读取函数
|
|
func (m *ICefV8Accessor) Get(fn V8AccessorGet) {
|
|
imports.Proc(def.CefV8Accessor_Get).Call(m.Instance(), api.MakeEventDataPtr(fn))
|
|
}
|
|
|
|
//Set 写入访问函数
|
|
func (m *ICefV8Accessor) Set(fn V8AccessorSet) {
|
|
imports.Proc(def.CefV8Accessor_Set).Call(m.Instance(), api.MakeEventDataPtr(fn))
|
|
}
|
|
|
|
func (m *ICefV8Accessor) Destroy() {
|
|
imports.Proc(def.CefV8Accessor_Destroy).Call(m.Instance())
|
|
}
|
|
|
|
func (m *ICefV8Accessor) Free() {
|
|
m.Destroy()
|
|
m.instance = nil
|
|
}
|
|
|
|
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 V8AccessorGet:
|
|
name := api.GoStr(getVal(0))
|
|
object := &ICefV8Value{instance: getPtr(1)}
|
|
retValPtr := (*uintptr)(getPtr(2))
|
|
retVal := &ResultV8Value{}
|
|
exceptionPtr := (*uintptr)(getPtr(3))
|
|
exception := &ResultString{}
|
|
resultPtr := (*bool)(getPtr(4))
|
|
result := fn.(V8AccessorGet)(name, object, retVal, exception)
|
|
if retVal.v8value != nil {
|
|
*retValPtr = retVal.v8value.Instance()
|
|
}
|
|
if exception.Value() != "" {
|
|
*exceptionPtr = api.PascalStr(exception.Value())
|
|
} else {
|
|
*exceptionPtr = 0
|
|
}
|
|
*resultPtr = result
|
|
//object.Free()
|
|
case V8AccessorSet:
|
|
name := api.GoStr(getVal(0))
|
|
object := &ICefV8Value{instance: getPtr(1)}
|
|
value := &ICefV8Value{instance: getPtr(2)}
|
|
exceptionPtr := (*uintptr)(getPtr(3))
|
|
exception := &ResultString{}
|
|
resultPtr := (*bool)(getPtr(4))
|
|
result := fn.(V8AccessorSet)(name, object, value, exception)
|
|
if exception.Value() != "" {
|
|
*exceptionPtr = api.PascalStr(exception.Value())
|
|
} else {
|
|
*exceptionPtr = 0
|
|
}
|
|
*resultPtr = result
|
|
//object.Free()
|
|
//value.Free()
|
|
default:
|
|
return false
|
|
}
|
|
return true
|
|
})
|
|
}
|