energy/cef/cef-types-v8-array-buf-release-callback.go
2023-02-24 11:37:39 +08:00

59 lines
1.6 KiB
Go

package cef
import (
"github.com/energye/energy/common/imports"
"github.com/energye/golcl/lcl"
"github.com/energye/golcl/lcl/api"
"unsafe"
)
//V8ArrayBufferReleaseCallback 释放时回调函数
// array buffer 缓存
// 返回 true:释放buffer, false:不释放
type V8ArrayBufferReleaseCallback func(buffer uintptr) bool
// CreateCefV8ArrayBufferReleaseCallback 创建V8 ArrayBuffer 释放回调函数
//
// 默认自动释放 buffer
func CreateCefV8ArrayBufferReleaseCallback() *ICefV8ArrayBufferReleaseCallback {
var result uintptr
imports.Proc(internale_CefV8ArrayBufferReleaseCallback_Create).Call(uintptr(unsafe.Pointer(&result)))
return &ICefV8ArrayBufferReleaseCallback{
instance: unsafe.Pointer(result),
}
}
// Instance 实例
func (m *ICefV8ArrayBufferReleaseCallback) Instance() uintptr {
if m == nil {
return 0
}
return uintptr(m.instance)
}
//ReleaseBuffer 释放时回调函数, 默认自动释放
//
// array buffer 缓存
//
// 返回 true:释放buffer, false:不释放buffer
func (m *ICefV8ArrayBufferReleaseCallback) ReleaseBuffer(fn V8ArrayBufferReleaseCallback) {
imports.Proc(internale_CefV8ArrayBufferReleaseCallback_ReleaseBuffer).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
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 V8ArrayBufferReleaseCallback:
returnIsReleaseBuf := (*bool)(getPtr(0))
buffPtr := getVal(1)
*returnIsReleaseBuf = fn.(V8ArrayBufferReleaseCallback)(buffPtr)
default:
return false
}
return true
})
}