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browser_channel.go
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browser_channel.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
//
//----------------------------------------
// GO browser IPC channel
package ipc
import (
"github.com/energye/energy/v2/cef/ipc/argument"
"github.com/energye/energy/v2/pkgs/channel"
)
// Main Process IPC
var browserChan *browserIPCChan
type IBrowserIPCChan interface {
IPC() channel.IBrowserChannel
AddCallback(callback func(channelId int64, argument argument.IList) bool)
}
// browserIPCChan
//
// Current browser process IPC channel processing
type browserIPCChan struct {
ipc channel.IBrowserChannel
callback []func(channelId int64, argument argument.IList) bool
}
// CreateBrowserIPC
//
// Main process IPC creation
func CreateBrowserIPC() IBrowserIPCChan {
if browserChan == nil {
browserChan = new(browserIPCChan)
browserChan.ipc = channel.NewBrowser()
browserChan.ipc.Handler(func(context channel.IIPCContext) {
defer func() {
context.Free()
}()
data := context.Message().Data()
arguments := argument.UnList(data)
if browserChan.listen(context, arguments) {
return
}
//callback 返回 true ipc 停止遍历,否则继续遍历,直到最后一个
for _, call := range browserChan.callback {
if call(context.ChannelId(), arguments) {
break
}
}
})
}
return browserChan
}
// BrowserChan
//
// 返回Browser IPC Channel, 这个是在channel创建的
func BrowserChan() IBrowserIPCChan {
return browserChan
}
// IPC
//
// 返回Browser IPC Channel
func (m *browserIPCChan) IPC() channel.IBrowserChannel {
return m.ipc
}
// AddCallback
//
// Add a callback function
// callback returns true ipc to stop traversing
// otherwise continue traversing until the last one
func (m *browserIPCChan) AddCallback(callback func(channelId int64, argument argument.IList) bool) {
m.callback = append(m.callback, callback)
}