energy/example/dev-test/vf-browser/vf-browser.go

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package main
import (
"embed"
"fmt"
"github.com/energye/energy/cef"
"github.com/energye/energy/common/assetserve"
"github.com/energye/energy/ipc"
"github.com/energye/golcl/lcl"
)
//go:embed resources
var resources embed.FS
func main() {
//全局初始化 每个应用都必须调用的
cef.GlobalCEFInit(nil, &resources)
//创建应用
config := cef.NewApplicationConfig()
config.SetMultiThreadedMessageLoop(false)
config.SetExternalMessagePump(false)
config.SetRemoteDebuggingPort(33333)
cefApp := cef.NewApplication(config)
//指定一个URL地址或本地html文件目录
cef.BrowserWindow.Config.Url = "http://localhost:22022/index.html"
cef.BrowserWindow.Config.IconFS = "resources/icon.png"
cef.BrowserWindow.Config.CanDragFile = true
cef.BrowserWindow.SetBrowserInit(func(event *cef.BrowserEvent, window cef.IBrowserWindow) {
window.DisableResize()
window.SetTitle("这里改变了窗口标题")
window.SetSize(1600, 900)
fmt.Println("cef.BrowserWindow.SetViewFrameBrowserInit", window)
fmt.Println("LCL", window.AsLCLBrowserWindow(), "VF", window.AsViewsFrameworkBrowserWindow())
event.SetOnDraggableRegionsChanged(func(sender lcl.IObject, browser *cef.ICefBrowser, frame *cef.ICefFrame, regions *cef.TCefDraggableRegions) {
fmt.Println("SetOnDraggableRegionsChanged", regions.RegionsCount(), "frame:", frame.Id, frame.Url)
})
event.SetOnBeforePopup(func(sender lcl.IObject, browser *cef.ICefBrowser, frame *cef.ICefFrame, beforePopupInfo *cef.BeforePopupInfo, popupWindow cef.IBrowserWindow, noJavascriptAccess *bool) bool {
fmt.Println("IsViewsFramework:", popupWindow.IsViewsFramework())
popupWindow.SetTitle("修改了标题: " + beforePopupInfo.TargetUrl)
popupWindow.SetCenterWindow(true)
popupWindow.EnableResize()
popupWindow.SetSize(1600, 1600)
browserWindow := popupWindow.AsViewsFrameworkBrowserWindow()
browserWindow.SetOnWindowCreated(func(sender lcl.IObject, window *cef.ICefWindow) {
fmt.Println("popupWindow.SetOnWindowCreated", window)
})
//browserWindow.BrowserWindow().CreateTopLevelWindow()
//browserWindow.BrowserWindow().HideTitle()
fmt.Println("browserWindow:", browserWindow, browserWindow.WindowComponent().WindowHandle())
return false
})
window.AsViewsFrameworkBrowserWindow().WindowComponent().SetOnWindowActivationChanged(func(sender lcl.IObject, window *cef.ICefWindow, active bool) {
fmt.Println("SetOnWindowActivationChanged", active)
})
//设置隐藏窗口标题
//window.HideTitle()
window.Show()
fmt.Println("SetBrowserInit 结束")
})
cef.BrowserWindow.SetBrowserInitAfter(func(window cef.IBrowserWindow) {
bw := window.AsViewsFrameworkBrowserWindow().BrowserWindow()
fmt.Println("handle", bw.WindowComponent().WindowHandle().ToPtr())
cefTray(window)
})
//在主进程启动成功之后执行
//在这里启动内置http服务
//内置http服务需要使用 go:embed resources 内置资源到执行程序中
cef.SetBrowserProcessStartAfterCallback(func(b bool) {
fmt.Println("主进程启动 创建一个内置http服务")
//通过内置http服务加载资源
server := assetserve.NewAssetsHttpServer()
server.PORT = 22022 //服务端口号
server.AssetsFSName = "resources" //必须设置目录名和资源文件夹同名
server.Assets = &resources
go server.StartHttpServer()
})
//运行应用
cef.Run(cefApp)
}
// 托盘 只适用 windows 的系统托盘, 基于html 和 ipc 实现功能
func cefTray(browserWindow cef.IBrowserWindow) {
var url = "http://localhost:22022/min-browser-tray.html"
tray := browserWindow.NewCefTray(250, 300, url)
if tray == nil {
return
}
tray.SetTitle("任务管理器里显示的标题")
tray.SetHint("这里是文字\n文字啊")
tray.SetIconFS("resources/icon.ico")
var s = false
tray.SetOnClick(func(sender lcl.IObject) {
s = !s
if s {
browserWindow.HideTitle()
} else {
browserWindow.ShowTitle()
}
browserWindow.Show()
})
tray.SetBalloon("气泡标题", "气泡内容", 2000)
ipc.IPC.Browser().On("tray-show-balloon", func(context ipc.IIPCContext) {
fmt.Println("tray-show-balloon")
tray.ShowBalloon()
tray.Hide()
})
ipc.IPC.Browser().On("tray-show-main-window", func(context ipc.IIPCContext) {
browserWindow.Hide()
tray.Hide()
})
ipc.IPC.Browser().On("tray-close-main-window", func(context ipc.IIPCContext) {
browserWindow.CloseBrowserWindow()
})
ipc.IPC.Browser().On("tray-show-message-box", func(context ipc.IIPCContext) {
//无法使用lcl组件
//lcl.ShowMessage("提示?") //直接异常退出
tray.Hide()
})
//托盘 end
}