//---------------------------------------- // // Copyright © yanghy. All Rights Reserved. // // Licensed under Apache License Version 2.0, January 2004 // // https://www.apache.org/licenses/LICENSE-2.0 // //---------------------------------------- // VF窗口组件定义和实现 package cef import ( "github.com/energye/energy/v2/cef/internal/ipc" "github.com/energye/energy/v2/cef/internal/window" "github.com/energye/energy/v2/cef/process" "github.com/energye/energy/v2/consts" "github.com/energye/energy/v2/logger" "github.com/energye/energy/v2/pkgs/assetserve" "github.com/energye/golcl/energy/emfs" "github.com/energye/golcl/energy/tools" "github.com/energye/golcl/lcl" "github.com/energye/golcl/lcl/api" "github.com/energye/golcl/lcl/types" "runtime" ) // ViewsFrameworkBrowserWindow 基于CEF views framework 窗口组件 // // 该窗口使用CEF内部实现,在linux下107.xx以后版本默认使用GTK3,但无法使用lcl组件集成到窗口中 // // 当创建应用配置时 MultiThreadedMessageLoop 和 ExternalMessagePump 属性同时为false(linux系统默认强制false)时启用ViewsFramework窗口 type ViewsFrameworkBrowserWindow struct { isClosing bool // windowType consts.WINDOW_TYPE //0:browser 1:devTools 2:viewSource 默认:0 windowId int32 // chromium IChromium // component lcl.IComponent // windowComponent *TCEFWindowComponent // browserViewComponent *TCEFBrowserViewComponent // windowProperty *WindowProperty //窗口属性 auxTools *auxTools //辅助工具 tray ITray //托盘 doOnWindowCreated WindowComponentOnWindowCreated //窗口创建 doOnGetInitialBounds WindowComponentOnGetInitialBounds //窗口初始bounds regions *TCefDraggableRegions //窗口内html拖拽区域 context *ICefRequestContext // extraInfo *ICefDictionaryValue // screen IScreen //屏幕 } // NewViewsFrameworkBrowserWindow 创建 ViewsFrameworkBrowserWindow 窗口 func NewViewsFrameworkBrowserWindow(config *TCefChromiumConfig, windowProperty WindowProperty, owner ...lcl.IComponent) *ViewsFrameworkBrowserWindow { if config == nil { config = NewChromiumConfig() } var component lcl.IComponent if len(owner) > 0 { component = lcl.NewComponent(owner[0]) } else { component = lcl.NewComponent(nil) } m := &ViewsFrameworkBrowserWindow{ windowProperty: &windowProperty, component: component, chromium: NewChromium(component, config), windowComponent: WindowComponentRef.New(component), browserViewComponent: BrowserViewComponentRef.New(component), } m.SetWindowType(windowProperty.WindowType) m.chromium.SetEnableMultiBrowserMode(true) m.windowComponent.SetOnWindowCreated(func(sender lcl.IObject, window *ICefWindow) { if m.chromium.CreateBrowserByBrowserViewComponent(windowProperty.Url, m.browserViewComponent, m.context, m.extraInfo) { m.windowComponent.AddChildView(m.browserViewComponent) if windowProperty.Title != "" { m.windowComponent.SetTitle(windowProperty.Title) } if windowProperty.EnableCenterWindow { m.windowComponent.CenterWindow(NewCefSize(windowProperty.Width, windowProperty.Height)) } if windowProperty.IconFS != "" { if emfs.IsExist(windowProperty.IconFS) { if err := m.windowComponent.SetWindowAppIconByFSFile(1, windowProperty.IconFS); err != nil { logger.Error("set window application icon error:", err.Error()) } } } else if windowProperty.Icon != "" { if tools.IsExist(windowProperty.Icon) { if err := m.windowComponent.SetWindowAppIconByFile(1, windowProperty.Icon); err != nil { logger.Error("set window application icon error:", err.Error()) } } } m.browserViewComponent.RequestFocus() m.windowComponent.Show() if m.doOnWindowCreated != nil { m.doOnWindowCreated(sender, window) } } }) return m } // ViewsFrameworkBrowserWindow 主窗口初始化 func (m *browserWindow) appContextInitialized(app *TCEFApplication) { // 仅主进程初始化主窗口, // 子进程也不会初始, 判断一下省着多调用函数了 if !process.Args.IsMain() { return } // VF 主窗口在 application 上下文初始化时创建 app.SetOnContextInitialized(func() { m.Config.WindowProperty.WindowType = consts.WT_MAIN_BROWSER // main window vfMainWindow := NewViewsFrameworkBrowserWindow(m.Config.ChromiumConfig(), m.Config.WindowProperty) // 主窗口关闭流程 before close // OnCanClose如果阻止关闭,该函数不会执行 vfMainWindow.Chromium().SetOnBeforeClose(func(sender lcl.IObject, browser *ICefBrowser) { chromiumOnBeforeClose(browser) if vfMainWindow.tray != nil { vfMainWindow.tray.close() } app.QuitMessageLoop() }) // 重置窗口属性, 注册默认实现事件 vfMainWindow.ResetWindowPropertyForEvent() vfMainWindow.registerPopupEvent(true) vfMainWindow.registerDefaultEvent() vfMainWindow.windowComponent.SetOnCanClose(func(sender lcl.IObject, window *ICefWindow, aResult *bool) { *aResult = vfMainWindow.Chromium().TryCloseBrowser() }) // 设置到 MainBrowser BrowserWindow.mainVFBrowserWindow = vfMainWindow if m.Config.browserWindowOnEventCallback != nil { BrowserWindow.browserEvent.chromium = vfMainWindow.chromium m.Config.browserWindowOnEventCallback(BrowserWindow.browserEvent, vfMainWindow) } ipc.SetProcessMessage(vfMainWindow.Chromium().(*TCEFChromium)) vfMainWindow.CreateTopLevelWindow() //创建完窗口之后设置窗口属性 vfMainWindow.createAfterWindowPropertyForEvent() }) } func (m *ViewsFrameworkBrowserWindow) createAfterWindowPropertyForEvent() { wp := m.WindowProperty() if wp.EnableResize { // VF MinimumSize & MaximumSize 在事件中设置 // 如果动态设置,需要自己实现该回调函数 if wp.MinWidth > 0 && wp.MinHeight > 0 { m.windowComponent.SetOnGetMinimumSize(func(view *ICefView, result *TCefSize) { result.Width = int32(wp.MinWidth) result.Height = int32(wp.MinHeight) }) } if wp.MaxWidth > 0 && wp.MaxHeight > 0 { m.windowComponent.SetOnGetMaximumSize(func(view *ICefView, result *TCefSize) { result.Width = int32(wp.MaxWidth) result.Height = int32(wp.MaxHeight) }) } } } // registerPopupEvent 注册弹出子窗口事件 func (m *ViewsFrameworkBrowserWindow) registerPopupEvent(isMain bool) { var bwEvent = BrowserWindow.browserEvent if !isMain { // 子窗口关闭流程 m.chromium.SetOnBeforeClose(func(sender lcl.IObject, browser *ICefBrowser) { chromiumOnBeforeClose(browser) }) } m.Chromium().SetOnOpenUrlFromTab(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, targetUrl string, targetDisposition consts.TCefWindowOpenDisposition, userGesture bool) bool { if !m.Chromium().Config().EnableOpenUrlTab() { return true } return false }) m.Chromium().SetOnBeforePopup(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, beforePopupInfo *BeforePopupInfo, client *ICefClient, noJavascriptAccess *bool) bool { if !m.Chromium().Config().EnableWindowPopup() { return true } wp := *m.windowProperty //clone wp.Url = beforePopupInfo.TargetUrl wp.WindowType = consts.WT_POPUP_SUB_BROWSER var vFrameBrowserWindow = NewViewsFrameworkBrowserWindow(NewChromiumConfig(), wp, BrowserWindow.MainWindow().AsViewsFrameworkBrowserWindow().Component()) var result = false if bwEvent.onBeforePopup != nil { result = bwEvent.onBeforePopup(sender, browser, frame, beforePopupInfo, vFrameBrowserWindow, noJavascriptAccess) } if !result { vFrameBrowserWindow.ResetWindowPropertyForEvent() vFrameBrowserWindow.registerPopupEvent(false) vFrameBrowserWindow.registerDefaultEvent() vFrameBrowserWindow.CreateTopLevelWindow() result = true } return result }) } // ResetWindowPropertyForEvent 重置窗口属性-通过事件函数 func (m *ViewsFrameworkBrowserWindow) ResetWindowPropertyForEvent() { wp := m.WindowProperty() m.windowComponent.SetOnGetInitialShowState(func(sender lcl.IObject, window *ICefWindow, aResult *consts.TCefShowState) { *aResult = consts.TCefShowState(wp.WindowInitState + 1) // CEF 要 + 1 }) m.windowComponent.SetOnGetInitialBounds(func(sender lcl.IObject, window *ICefWindow, aResult *TCefRect) { if wp.EnableCenterWindow { m.windowComponent.CenterWindow(NewCefSize(wp.Width, wp.Height)) aResult.Width = wp.Width aResult.Height = wp.Height } else { aResult.X = wp.X aResult.Y = wp.Y aResult.Width = wp.Width aResult.Height = wp.Height } if m.doOnGetInitialBounds != nil { m.doOnGetInitialBounds(sender, window, aResult) } }) m.windowComponent.SetOnCanMinimize(func(sender lcl.IObject, window *ICefWindow, aResult *bool) { *aResult = wp.EnableMinimize }) m.windowComponent.SetOnCanResize(func(sender lcl.IObject, window *ICefWindow, aResult *bool) { *aResult = wp.EnableResize }) m.windowComponent.SetOnCanMaximize(func(sender lcl.IObject, window *ICefWindow, aResult *bool) { *aResult = wp.EnableMaximize }) m.windowComponent.SetOnCanClose(func(sender lcl.IObject, window *ICefWindow, aResult *bool) { *aResult = wp.EnableClose }) m.windowComponent.SetOnIsFrameless(func(sender lcl.IObject, window *ICefWindow, aResult *bool) { *aResult = wp.EnableHideCaption }) m.windowComponent.SetAlwaysOnTop(wp.AlwaysOnTop) m.windowComponent.SetBounds(NewCefRect(wp.X, wp.Y, wp.Width, wp.Height)) } // registerDefaultEvent 注册默认事件 func (m *ViewsFrameworkBrowserWindow) registerDefaultEvent() { var bwEvent = BrowserWindow.browserEvent //默认自定义快捷键 defaultAcceleratorCustom() m.chromium.SetOnProcessMessageReceived(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, sourceProcess consts.CefProcessId, message *ICefProcessMessage) bool { if bwEvent.onProcessMessageReceived != nil { return bwEvent.onProcessMessageReceived(sender, browser, frame, sourceProcess, message) } return false }) m.chromium.SetOnBeforeResourceLoad(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, request *ICefRequest, callback *ICefCallback, result *consts.TCefReturnValue) { if assetserve.AssetsServerHeaderKeyValue != "" { request.SetHeaderByName(assetserve.AssetsServerHeaderKeyName, assetserve.AssetsServerHeaderKeyValue, true) } if bwEvent.onBeforeResourceLoad != nil { bwEvent.onBeforeResourceLoad(sender, browser, frame, request, callback, result) } }) m.chromium.SetOnBeforeDownload(func(sender lcl.IObject, browser *ICefBrowser, beforeDownloadItem *ICefDownloadItem, suggestedName string, callback *ICefBeforeDownloadCallback) { if bwEvent.onBeforeDownload != nil { bwEvent.onBeforeDownload(sender, browser, beforeDownloadItem, suggestedName, callback) } else { callback.Cont(consts.ExePath+consts.Separator+suggestedName, true) } }) m.chromium.SetOnBeforeContextMenu(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, params *ICefContextMenuParams, model *ICefMenuModel) { var flag bool if bwEvent.onBeforeContextMenu != nil { bwEvent.onBeforeContextMenu(sender, browser, frame, params, model) } if !flag { chromiumOnBeforeContextMenu(m, browser, frame, params, model) } }) m.chromium.SetOnContextMenuCommand(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, params *ICefContextMenuParams, commandId consts.MenuId, eventFlags uint32, result *bool) { if bwEvent.onContextMenuCommand != nil { bwEvent.onContextMenuCommand(sender, browser, frame, params, commandId, eventFlags, result) } if !*result { chromiumOnContextMenuCommand(m, browser, frame, params, commandId, eventFlags, result) } }) m.chromium.SetOnAfterCreated(func(sender lcl.IObject, browser *ICefBrowser) { var flag bool if bwEvent.onAfterCreated != nil { flag = bwEvent.onAfterCreated(sender, browser) } if !flag { chromiumOnAfterCreate(browser) } }) m.chromium.SetOnKeyEvent(func(sender lcl.IObject, browser *ICefBrowser, event *TCefKeyEvent, osEvent *consts.TCefEventHandle, result *bool) { if bwEvent.onKeyEvent != nil { bwEvent.onKeyEvent(sender, browser, event, osEvent, m, result) } if !*result { if m.WindowType() == consts.WT_DEV_TOOLS || m.WindowType() == consts.WT_VIEW_SOURCE { return } if m.Chromium().Config().EnableDevTools() { if event.WindowsKeyCode == consts.VkF12 && event.Kind == consts.KEYEVENT_RAW_KEYDOWN { browser.ShowDevTools() *result = true } else if event.WindowsKeyCode == consts.VkF12 && event.Kind == consts.KEYEVENT_KEYUP { *result = true } } if KeyAccelerator.accelerator(browser, event, result) { return } } }) m.chromium.SetOnBeforeBrowser(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, request *ICefRequest, userGesture, isRedirect bool) bool { if bwEvent.onBeforeBrowser != nil { return bwEvent.onBeforeBrowser(sender, browser, frame, request, userGesture, isRedirect, m) } return false }) m.chromium.SetOnTitleChange(func(sender lcl.IObject, browser *ICefBrowser, title string) { if bwEvent.onTitleChange != nil { bwEvent.onTitleChange(sender, browser, title, m) } }) m.chromium.SetOnDragEnter(func(sender lcl.IObject, browser *ICefBrowser, dragData *ICefDragData, mask consts.TCefDragOperations, result *bool) { *result = !m.WindowProperty().EnableDragFile if bwEvent.onDragEnter != nil { bwEvent.onDragEnter(sender, browser, dragData, mask, m, result) } }) m.chromium.SetOnLoadEnd(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, httpStatusCode int32) { if bwEvent.onLoadEnd != nil { bwEvent.onLoadEnd(sender, browser, frame, httpStatusCode) } }) if m.WindowProperty().EnableWebkitAppRegion { m.chromium.SetOnDraggableRegionsChanged(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, regions *TCefDraggableRegions) { if bwEvent.onDraggableRegionsChanged != nil { bwEvent.onDraggableRegionsChanged(sender, browser, frame, regions, m) } m.regions = regions m.windowComponent.SetDraggableRegions(regions.Regions()) }) } if localLoadResource.enable { m.Chromium().SetOnGetResourceHandler(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, request *ICefRequest) (resourceHandler *ICefResourceHandler) { var flag bool if bwEvent.onGetResourceHandler != nil { resourceHandler, flag = bwEvent.onGetResourceHandler(sender, browser, frame, request) } if !flag { resourceHandler = getResourceHandler(browser, frame, request) } return }) } } // EnableAllDefaultEvent 启用所有默认事件行为 func (m *ViewsFrameworkBrowserWindow) EnableAllDefaultEvent() { m.registerPopupEvent(false) m.registerDefaultEvent() } // SetOnWindowCreated 窗口创建 func (m *ViewsFrameworkBrowserWindow) SetOnWindowCreated(onWindowCreated WindowComponentOnWindowCreated) { m.doOnWindowCreated = onWindowCreated } // SetOnGetInitialBounds 窗口初始坐标和大小 func (m *ViewsFrameworkBrowserWindow) SetOnGetInitialBounds(onGetInitialBounds WindowComponentOnGetInitialBounds) { m.doOnGetInitialBounds = onGetInitialBounds } // SetCreateBrowserExtraInfo // 设置 Chromium 创建浏览器时设置的扩展信息 func (m *ViewsFrameworkBrowserWindow) SetCreateBrowserExtraInfo(_ string, context *ICefRequestContext, extraInfo *ICefDictionaryValue) { m.context = context m.extraInfo = extraInfo } // IsViewsFramework 返回是否VF窗口组件,这里返回true func (m *ViewsFrameworkBrowserWindow) IsViewsFramework() bool { return true } // IsLCL 返回是否LCL窗口组件,这里返回false func (m *ViewsFrameworkBrowserWindow) IsLCL() bool { return false } // WindowProperty 部分提供部分窗口属性设置 func (m *ViewsFrameworkBrowserWindow) WindowProperty() *WindowProperty { return m.windowProperty } // BrowserWindow 返回VF窗口组件实现 func (m *ViewsFrameworkBrowserWindow) BrowserWindow() *ViewsFrameworkBrowserWindow { return m } // Handle 返回窗口句柄 func (m *ViewsFrameworkBrowserWindow) Handle() types.HWND { return types.HWND(m.WindowComponent().WindowHandle().ToPtr()) } // AsViewsFrameworkBrowserWindow 转换为VF窗口组件,这里返回VF窗口组件 func (m *ViewsFrameworkBrowserWindow) AsViewsFrameworkBrowserWindow() IViewsFrameworkBrowserWindow { return m } // AsLCLBrowserWindow 转换为LCL窗口组件,这里返回nil func (m *ViewsFrameworkBrowserWindow) AsLCLBrowserWindow() ILCLBrowserWindow { return nil } // SetTitle 设置窗口标题 func (m *ViewsFrameworkBrowserWindow) SetTitle(title string) { m.WindowProperty().Title = title } // SetWidth 设置窗口宽 func (m *ViewsFrameworkBrowserWindow) SetWidth(value int32) { m.WindowProperty().Width = value } // SetHeight 设置窗口高 func (m *ViewsFrameworkBrowserWindow) SetHeight(value int32) { m.WindowProperty().Height = value } // Point 返回窗口坐标 func (m *ViewsFrameworkBrowserWindow) Point() *TCefPoint { result := m.WindowComponent().Position() m.WindowProperty().X = result.X m.WindowProperty().Y = result.Y return result } // Size 返回窗口宽高 func (m *ViewsFrameworkBrowserWindow) Size() *TCefSize { result := m.WindowComponent().Size() m.WindowProperty().Width = result.Width m.WindowProperty().Height = result.Height return result } // Bounds 返回窗口坐标和宽高 func (m *ViewsFrameworkBrowserWindow) Bounds() *TCefRect { result := m.WindowComponent().Bounds() m.WindowProperty().X = result.X m.WindowProperty().Y = result.Y m.WindowProperty().Width = result.Width m.WindowProperty().Height = result.Height return result } // SetPoint 设置窗口坐标 func (m *ViewsFrameworkBrowserWindow) SetPoint(x, y int32) { m.WindowProperty().X = x m.WindowProperty().Y = y } // SetSize 设置窗口宽高 func (m *ViewsFrameworkBrowserWindow) SetSize(width, height int32) { m.WindowProperty().Width = width m.WindowProperty().Height = height } // SetBounds 设置窗口坐标和宽高 func (m *ViewsFrameworkBrowserWindow) SetBounds(x, y, width, height int32) { m.WindowProperty().X = x m.WindowProperty().Y = y m.WindowProperty().Width = width m.WindowProperty().Height = height } // getAuxTools 获取辅助工具-开发者工具 func (m *ViewsFrameworkBrowserWindow) getAuxTools() *auxTools { return m.auxTools } // createAuxTools 创建辅助工具-开发者工具 func (m *ViewsFrameworkBrowserWindow) createAuxTools() { if m.auxTools == nil { m.auxTools = &auxTools{} } } // Browser 返回browser func (m *ViewsFrameworkBrowserWindow) Browser() *ICefBrowser { return m.Chromium().Browser() } // Chromium 返回 chromium func (m *ViewsFrameworkBrowserWindow) Chromium() IChromium { return m.chromium } // Id 获取窗口ID func (m *ViewsFrameworkBrowserWindow) Id() int32 { if m.windowId == 0 { m.windowId = m.Chromium().BrowserId() } return m.windowId } // Show 显示窗口 func (m *ViewsFrameworkBrowserWindow) Show() { m.WindowComponent().Show() } // Hide 隐藏窗口 func (m *ViewsFrameworkBrowserWindow) Hide() { m.WindowComponent().Hide() } // Close 关闭窗口,一搬不使用 func (m *ViewsFrameworkBrowserWindow) Close() { m.WindowComponent().Close() } // WindowState 返回窗口最小化、最大化、全屏状态 func (m *ViewsFrameworkBrowserWindow) WindowState() types.TWindowState { if m.windowComponent.IsMinimized() { return types.WsMinimized } else if m.windowComponent.IsMaximized() { return types.WsMaximized } else if m.windowComponent.IsFullscreen() { return types.WsFullScreen } return types.WsNormal } // Maximize 窗口最大化/还原 func (m *ViewsFrameworkBrowserWindow) Maximize() { if m.WindowState() == types.WsNormal { m.WindowComponent().Maximize() } else { m.Restore() } } func (m *ViewsFrameworkBrowserWindow) FullScreen() { m.WindowComponent().SetFullscreen(true) } func (m *ViewsFrameworkBrowserWindow) ExitFullScreen() { m.WindowComponent().SetFullscreen(false) } func (m *ViewsFrameworkBrowserWindow) IsFullScreen() bool { return m.WindowComponent().IsFullscreen() } // Minimize 窗口最小化 func (m *ViewsFrameworkBrowserWindow) Minimize() { m.WindowComponent().Minimize() } // Restore 窗口还原 func (m *ViewsFrameworkBrowserWindow) Restore() { m.WindowComponent().Restore() } // CloseBrowserWindow 关闭浏览器窗口 func (m *ViewsFrameworkBrowserWindow) CloseBrowserWindow() { m.isClosing = true m.chromium.CloseBrowser(true) } // CreateTopLevelWindow 创建顶层窗口 func (m *ViewsFrameworkBrowserWindow) CreateTopLevelWindow() { if m.WindowType() != consts.WT_DEV_TOOLS { window.CurrentBrowseWindowCache = m } m.WindowComponent().CreateTopLevelWindow() } // CenterWindow 设置窗口居中,同时指定窗口大小 func (m *ViewsFrameworkBrowserWindow) CenterWindow(size *TCefSize) { m.WindowComponent().CenterWindow(size) } // SetCenterWindow 设置窗口居中显示 func (m *ViewsFrameworkBrowserWindow) SetCenterWindow(value bool) { m.WindowProperty().EnableCenterWindow = value } // IsClosing 返回窗口是否正在关闭/或已关闭 true正在或已关闭 func (m *ViewsFrameworkBrowserWindow) IsClosing() bool { return m.isClosing } // WindowType 返回窗口类型 func (m *ViewsFrameworkBrowserWindow) WindowType() consts.WINDOW_TYPE { return m.windowType } // SetWindowType 设置窗口类型 func (m *ViewsFrameworkBrowserWindow) SetWindowType(windowType consts.WINDOW_TYPE) { m.windowType = windowType } // DisableMinimize 禁用最小化按钮 func (m *ViewsFrameworkBrowserWindow) DisableMinimize() { m.WindowProperty().EnableMinimize = false } // DisableMaximize 禁用最大化按钮 func (m *ViewsFrameworkBrowserWindow) DisableMaximize() { m.WindowProperty().EnableMaximize = false } // DisableResize 禁用调整窗口大小 func (m *ViewsFrameworkBrowserWindow) DisableResize() { m.WindowProperty().EnableResize = false } // EnableMinimize 启用最小化按钮 func (m *ViewsFrameworkBrowserWindow) EnableMinimize() { m.WindowProperty().EnableMinimize = true } // EnableMaximize 启用最大化按钮 func (m *ViewsFrameworkBrowserWindow) EnableMaximize() { m.WindowProperty().EnableMaximize = true } // EnableResize 启用允许调整窗口大小 func (m *ViewsFrameworkBrowserWindow) EnableResize() { m.WindowProperty().EnableResize = true } // Component 返回窗口父组件 func (m *ViewsFrameworkBrowserWindow) Component() lcl.IComponent { return m.component } // WindowComponent 返回窗口组件 func (m *ViewsFrameworkBrowserWindow) WindowComponent() *TCEFWindowComponent { return m.windowComponent } // BrowserViewComponent 返回浏览器显示组件 func (m *ViewsFrameworkBrowserWindow) BrowserViewComponent() *TCEFBrowserViewComponent { return m.browserViewComponent } func (m *ViewsFrameworkBrowserWindow) Screen() IScreen { if m.screen == nil && m.BrowserViewComponent() != nil { m.screen = &Screen{window: m} } return m.screen } // RunOnMainThread // 在主线程中运行 func (m *ViewsFrameworkBrowserWindow) RunOnMainThread(fn func()) { runtime.LockOSThread() defer runtime.UnlockOSThread() if api.DMainThreadId() == api.DCurrentThreadId() { fn() } else { lcl.ThreadSync(func() { fn() }) } }