mirror of
https://gitee.com/energye/energy.git
synced 2024-12-04 04:38:21 +08:00
116 lines
3.3 KiB
Go
116 lines
3.3 KiB
Go
//----------------------------------------
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//
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// Copyright © yanghy. All Rights Reserved.
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//
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// Licensed under Apache License Version 2.0, January 2004
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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//----------------------------------------
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package cef
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import (
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"github.com/energye/energy/v2/cef/internal/def"
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"github.com/energye/energy/v2/common/imports"
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"github.com/energye/golcl/lcl"
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"github.com/energye/golcl/lcl/api"
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"unsafe"
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)
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// ************************** creates ************************** //
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// DownloadHandlerRef -> ICefDownloadHandler
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var DownloadHandlerRef downloadHandler
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type downloadHandler uintptr
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func (*downloadHandler) New() *ICefDownloadHandler {
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var result uintptr
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imports.Proc(def.CefDownloadHandlerRef_Create).Call(uintptr(unsafe.Pointer(&result)))
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if result != 0 {
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return &ICefDownloadHandler{instance: unsafe.Pointer(result)}
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}
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return nil
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}
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// ************************** impl ************************** //
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// Instance 实例
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func (m *ICefDownloadHandler) Instance() uintptr {
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if m == nil {
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return 0
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}
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return uintptr(m.instance)
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}
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func (m *ICefDownloadHandler) Free() {
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if m.instance != nil {
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m.base.Free(m.Instance())
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m.instance = nil
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}
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}
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func (m *ICefDownloadHandler) IsValid() bool {
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if m == nil || m.instance == nil {
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return false
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}
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return m.instance != nil
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}
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func (m *ICefDownloadHandler) SetCanDownload(fn canDownload) {
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if !m.IsValid() {
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return
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}
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imports.Proc(def.CefDownloadHandler_CanDownload).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *ICefDownloadHandler) SetOnBeforeDownload(fn onBeforeDownload) {
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if !m.IsValid() {
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return
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}
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imports.Proc(def.CefDownloadHandler_OnBeforeDownload).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *ICefDownloadHandler) SetOnDownloadUpdated(fn onDownloadUpdated) {
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if !m.IsValid() {
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return
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}
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imports.Proc(def.CefDownloadHandler_OnDownloadUpdated).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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// ************************** events ************************** //
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type canDownload func(browser *ICefBrowser, url, requestMethod string) bool
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type onBeforeDownload func(browser *ICefBrowser, downloadItem *ICefDownloadItem, suggestedName string, callback *ICefBeforeDownloadCallback)
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type onDownloadUpdated func(browser *ICefBrowser, downloadItem *ICefDownloadItem, callback *ICefDownloadItemCallback)
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func init() {
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lcl.RegisterExtEventCallback(func(fn interface{}, getVal func(idx int) uintptr) bool {
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getPtr := func(i int) unsafe.Pointer {
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return unsafe.Pointer(getVal(i))
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}
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switch fn.(type) {
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case canDownload:
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browse := &ICefBrowser{instance: getPtr(0)}
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url, requestMethod := api.GoStr(getVal(1)), api.GoStr(getVal(2))
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result := (*bool)(getPtr(3))
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*result = fn.(canDownload)(browse, url, requestMethod)
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case onBeforeDownload:
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browse := &ICefBrowser{instance: getPtr(0)}
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downlItem := &ICefDownloadItem{instance: getPtr(1)}
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suggestedName := api.GoStr(getVal(2))
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callback := &ICefBeforeDownloadCallback{instance: getPtr(3)}
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fn.(onBeforeDownload)(browse, downlItem, suggestedName, callback)
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case onDownloadUpdated:
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browse := &ICefBrowser{instance: getPtr(0)}
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downlItem := &ICefDownloadItem{instance: getPtr(1)}
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callback := &ICefDownloadItemCallback{instance: getPtr(2)}
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fn.(onDownloadUpdated)(browse, downlItem, callback)
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default:
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return false
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}
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return true
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})
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}
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