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types_resource_handler.go
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/
types_resource_handler.go
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//----------------------------------------
//
// 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/cef/internal/def"
"github.com/energye/energy/v2/common/imports"
"github.com/energye/golcl/lcl"
"github.com/energye/golcl/lcl/api"
"unsafe"
)
// ************************** creates ************************** //
// ResourceHandlerRef -> ICefResourceHandler
var ResourceHandlerRef resourceHandler
type resourceHandler uintptr
func (*resourceHandler) New(browser *ICefBrowser, frame *ICefFrame, schemeName string, request *ICefRequest) *ICefResourceHandler {
var result uintptr
imports.Proc(def.ResourceHandlerRef_Create).Call(browser.Instance(), frame.Instance(), api.PascalStr(schemeName), request.Instance(), uintptr(unsafe.Pointer(&result)))
if result != 0 {
return &ICefResourceHandler{instance: unsafe.Pointer(result)}
}
return nil
}
// ************************** impl ************************** //
// Instance 实例
func (m *ICefResourceHandler) Instance() uintptr {
if m == nil {
return 0
}
return uintptr(m.instance)
}
func (m *ICefResourceHandler) Free() {
if m.instance != nil {
m.base.Free(m.Instance())
m.instance = nil
}
}
func (m *ICefResourceHandler) IsValid() bool {
if m == nil || m.instance == nil {
return false
}
return m.instance != nil
}
func (m *ICefResourceHandler) Open(fn resourceHandlerOpen) {
if !m.IsValid() {
return
}
imports.Proc(def.ResourceHandler_Open).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
func (m *ICefResourceHandler) GetResponseHeaders(fn resourceHandlerGetResponseHeaders) {
if !m.IsValid() {
return
}
imports.Proc(def.ResourceHandler_GetResponseHeaders).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
func (m *ICefResourceHandler) Skip(fn resourceHandlerSkip) {
if !m.IsValid() {
return
}
imports.Proc(def.ResourceHandler_Skip).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
func (m *ICefResourceHandler) Read(fn resourceHandlerRead) {
if !m.IsValid() {
return
}
imports.Proc(def.ResourceHandler_Read).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
// ProcessRequest
//
// Deprecated: Use Open instead.
func (m *ICefResourceHandler) ProcessRequest(fn resourceHandlerProcessRequest) {
if !m.IsValid() {
return
}
imports.Proc(def.ResourceHandler_ProcessRequest).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
// ReadResponse
//
// Deprecated: Use Skip and Read instead.
func (m *ICefResourceHandler) ReadResponse(fn resourceHandlerReadResponse) {
if !m.IsValid() {
return
}
imports.Proc(def.ResourceHandler_ReadResponse).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
func (m *ICefResourceHandler) Cancel(fn resourceHandlerCancel) {
if !m.IsValid() {
return
}
imports.Proc(def.ResourceHandler_Cancel).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
// ************************** events ************************** //
type resourceHandlerOpen func(request *ICefRequest, callback *ICefCallback) (handleRequest, result bool) // Open
type resourceHandlerGetResponseHeaders func(response *ICefResponse) (responseLength int64, redirectUrl string) // GetResponseHeaders
type resourceHandlerSkip func(bytesToSkip int64, callback *ICefResourceSkipCallback) (bytesSkipped int64, result bool) // Skip
type resourceHandlerRead func(dataOut uintptr, bytesToRead int32, callback *ICefResourceReadCallback) (bytesRead int32, result bool) // Read
type resourceHandlerProcessRequest func(request *ICefRequest, callback *ICefCallback) bool // ProcessRequest deprecated
type resourceHandlerReadResponse func(dataOut uintptr, bytesToRead int32, callback *ICefCallback) (bytesRead int32, result bool) // ReadResponse deprecated
type resourceHandlerCancel func() // Cancel
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 resourceHandlerOpen:
request := &ICefRequest{instance: getPtr(0)}
handleRequestPtr := (*bool)(getPtr(1))
callback := &ICefCallback{instance: getPtr(2)}
resultPtr := (*bool)(getPtr(3))
*handleRequestPtr, *resultPtr = fn.(resourceHandlerOpen)(request, callback)
case resourceHandlerGetResponseHeaders:
response := &ICefResponse{instance: getPtr(0)}
responseLengthPtr := (*int64)(getPtr(1))
redirectUrlPtr := (*uintptr)(getPtr(2))
responseLength, redirectUrl := fn.(resourceHandlerGetResponseHeaders)(response)
*responseLengthPtr = responseLength
*redirectUrlPtr = api.PascalStr(redirectUrl)
case resourceHandlerSkip:
bytesToSkip := *(*int64)(getPtr(0))
bytesSkippedPtr := (*int64)(getPtr(1))
callback := &ICefResourceSkipCallback{instance: getPtr(2)}
resultPtr := (*bool)(getPtr(3))
bytesSkipped, result := fn.(resourceHandlerSkip)(bytesToSkip, callback)
*bytesSkippedPtr = bytesSkipped
*resultPtr = result
case resourceHandlerRead:
dataOut := getVal(0)
bytesToRead := int32(getVal(1))
bytesReadPtr := (*int32)(getPtr(2))
callback := &ICefResourceReadCallback{instance: getPtr(3)}
resultPtr := (*bool)(getPtr(4))
bytesRead, result := fn.(resourceHandlerRead)(dataOut, bytesToRead, callback)
*bytesReadPtr = bytesRead
*resultPtr = result
case resourceHandlerProcessRequest:
request := &ICefRequest{instance: getPtr(0)}
callback := &ICefCallback{instance: getPtr(1)}
resultPtr := (*bool)(getPtr(2))
result := fn.(resourceHandlerProcessRequest)(request, callback)
*resultPtr = result
case resourceHandlerReadResponse:
dataOut := getVal(0)
bytesToRead := int32(getVal(1))
bytesReadPtr := (*int32)(getPtr(2))
callback := &ICefCallback{instance: getPtr(3)}
resultPtr := (*bool)(getPtr(4))
bytesRead, result := fn.(resourceHandlerReadResponse)(dataOut, bytesToRead, callback)
*bytesReadPtr = bytesRead
*resultPtr = result
case resourceHandlerCancel:
fn.(resourceHandlerCancel)()
default:
return false
}
return true
})
}