energy/example/browser-linux/linux.go

package main

import (
	"embed"
	"fmt"
	"github.com/energye/energy/cef"
	"github.com/energye/energy/common/assetserve"
	"github.com/energye/energy/consts"
	"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)
	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.SetOnBeforeContextMenu(func(sender lcl.IObject, browser *cef.ICefBrowser, frame *cef.ICefFrame, params *cef.ICefContextMenuParams, model *cef.ICefMenuModel) {
			model.AddCheckItem(model.CefMis.NextCommandId(), "测试")
		})
		event.SetOnContextMenuCommand(func(sender lcl.IObject, browser *cef.ICefBrowser, frame *cef.ICefFrame, params *cef.ICefContextMenuParams, commandId consts.MenuId, eventFlags uint32, result *bool) {
			fmt.Println("SetOnContextMenuCommand", commandId)
		})
		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()
		cefTray(window)
		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())
	})
	//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.ShowTitle()
		} else {
			browserWindow.HideTitle()
		}
		//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
}