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browser_main_window.go
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browser_main_window.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
//
//----------------------------------------
// energy 全局窗口管理, 窗口初始化、事件注册、属性配置
package cef
import (
"github.com/energye/energy/v2/cef/internal/ipc"
"github.com/energye/energy/v2/cef/ipc/target"
. "github.com/energye/energy/v2/cef/process"
"github.com/energye/energy/v2/common"
. "github.com/energye/energy/v2/consts"
"github.com/energye/golcl/lcl"
)
// 浏览器包装结构体
//
// 主窗口、弹出子进程、默认浏览器实现的事件、窗口维护集合、浏览器配置 仅在主进程中使用
type browserWindow struct {
mainBrowserWindow IBrowserWindow // 主浏览器窗口
popupWindow IBrowserWindow // 弹出的子窗口
browserEvent *BrowserEvent // 浏览器全局事件, 已默认实现事件
Config *BrowserConfig // 浏览器和窗口配置
windowInfo map[int32]IBrowserWindow // 窗口信息集合
}
// BrowserEvent 浏览器全局事件监听-已被默认实现事件
//
// 该结构中的对象属性, 是已被默认实现的
type BrowserEvent struct {
chromium IChromiumEvent //chromium event
onBeforePopup chromiumEventOnBeforePopupEx //default
onDragEnter chromiumEventOnDragEnterEx //default
onDraggableRegionsChanged chromiumEventOnDraggableRegionsChangedEx //default
onLoadEnd chromiumEventOnLoadEndEx //default
onAfterCreated chromiumEventOnAfterCreatedEx //default
onBeforeBrowser chromiumEventOnBeforeBrowserEx //default
onBeforeClose chromiumEventOnBeforeCloseEx //default
onClose chromiumEventOnCloseEx //default
onMainFrameChanged chromiumEventOnMainFrameChangedEx //default
onBeforeDownload chromiumEventOnBeforeDownloadEx //default can cover
onKeyEvent chromiumEventOnKeyEventEx //default can cover
onProcessMessageReceived BrowseProcessMessageReceivedEx //default
onTitleChange chromiumEventOnTitleChangeEx //default
onContextMenuCommand chromiumEventOnContextMenuCommandEx //default can cover
onBeforeContextMenu chromiumEventOnBeforeContextMenuEx //default can cover
onBeforeResourceLoad chromiumEventOnBeforeResourceLoadEx //default
onRenderCompMsg chromiumEventOnCompMsg //default windows
onGetResourceHandler chromiumEventOnGetResourceHandlerEx //default
}
// LCLBrowserWindow
type lclBrowserWindow struct {
LCLBrowserWindow
}
// disableMainWindow
// 禁用主窗口使用该窗口结构做为主窗口, 该窗口不被显示
type disableMainWindow struct {
*lcl.TForm
}
// 创建LCL窗口并运行应用
func (m *browserWindow) createFormAndRun() {
// LCL窗口
lcl.Application.Initialize()
lcl.Application.SetMainFormOnTaskBar(true)
if m.Config.EnableMainWindow {
// 使用主窗口创建
lcl.Application.CreateForm(&enableMainWindow, true)
} else {
// 使用禁用窗口创建, 它默认不会显示, 在它的 OnFormCreate 中创建主窗口
lcl.Application.CreateForm(&disabledMainWindow, true)
lcl.Application.SetShowMainForm(false)
}
lcl.Application.Run()
}
// OnFormCreate disableMainWindow
func (m *disableMainWindow) OnFormCreate(sender lcl.IObject) {
// 禁用主窗口:需要创建一个新的窗口来代替主窗口显示
lcl.Application.CreateForm(&enableMainWindow, true)
// 禁用主窗口:将其设置为子窗口类型
enableMainWindow.SetWindowType(WT_POPUP_SUB_BROWSER)
// 显示窗口,此时的主窗口是默认显示的第一个窗口
// 如果将该主窗口关闭,在获取主窗口函数将返回无效的窗口
if common.IsDarwin() {
// MacOS需要在UI异步线程中显示它
QueueAsyncCall(func(id int) {
BrowserWindow.MainWindow().Show()
})
} else {
BrowserWindow.MainWindow().Show()
}
}
// OnFormCreate LCL窗口组件窗口创建回调
func (m *lclBrowserWindow) OnFormCreate(sender lcl.IObject) {
m.windowProperty = &BrowserWindow.Config.WindowProperty
m.SetWindowType(WT_MAIN_BROWSER)
m.FormCreate()
m.defaultWindowEvent()
m.defaultWindowCloseEvent()
m.ChromiumCreate(BrowserWindow.Config.ChromiumConfig(), BrowserWindow.Config.Url)
m.defaultChromiumEvent()
m.SetProperty()
m.SetShowInTaskBar()
BrowserWindow.mainBrowserWindow = m
if BrowserWindow.Config.browserWindowOnEventCallback != nil {
BrowserWindow.browserEvent.chromium = m.Chromium()
BrowserWindow.Config.browserWindowOnEventCallback(BrowserWindow.browserEvent, m)
m.SetProperty() //再次设置可能修改属性
}
//browserWindowOnEventCallback 执行完后,注册CompMsgEvent
//m.registerWindowsCompMsgEvent()
//自定义窗口标题栏
m.cwcap = &customWindowCaption{
bw: &m.LCLBrowserWindow,
}
//设置 CEF Chromium IPC
ipc.SetProcessMessage(m)
// 如果开启了开发者工具,需要在这里初始化开发者工具窗口
if m.Chromium().Config().EnableDevTools() {
m.createAuxTools()
//m.GetAuxTools().SetDevTools(createDevtoolsWindow(&m.LCLBrowserWindow, m.chromiumBrowser)) // TODO 先移除
}
}
// MainWindow 获取主浏窗口
//
// 返回LCL或VF窗口组件实例
// Window和MacOS平台LCL窗口组件
// Linux平台VF窗口组件
func (m *browserWindow) MainWindow() IBrowserWindow {
return m.mainBrowserWindow
}
// SetBrowserInit 主窗口初始化时回调
//
// LCL: 可以对主窗体属性设置、创建各种LCL子组件
// VF : 有很大限制不能使用LCL的组件
// event : 浏览器事件
// window : 窗口信息对象
func (m *browserWindow) SetBrowserInit(fn browserWindowOnEventCallback) {
m.Config.setBrowserWindowInitOnEvent(fn)
}
// createNextLCLPopupWindow 预创建下一个弹出的子窗口对象
func (m *browserWindow) createNextLCLPopupWindow() {
if m.popupWindow == nil {
if mw := m.MainWindow(); mw != nil && mw.IsLCL() {
// owner设置nil以防址多窗口时被连带关闭, 如果多窗口时也可指定为真实的主窗口
//var owner lcl.IComponent
//if disabledMainWindow != nil {
// owner = disabledMainWindow // 真实的主窗口
//} else if enableMainWindow != nil {
// owner = enableMainWindow // 未开启多窗口
//}
// 创建 LCL 窗口对象
m.popupWindow = NewLCLWindow(m.Config.WindowProperty, nil)
// 创建 Chromium 对象
m.popupWindow.AsLCLBrowserWindow().BrowserWindow().ChromiumCreate(NewChromiumConfig(), "")
}
}
}
// getNextLCLPopupWindow 拿到预创建的下一个弹出子窗口
func (m *browserWindow) getNextLCLPopupWindow() IBrowserWindow {
return m.popupWindow
}
// GetWindowInfo 根据浏览器窗口ID获取窗口信息
func (m *browserWindow) GetWindowInfo(browserId int32) IBrowserWindow {
if winInfo, ok := m.windowInfo[browserId]; ok {
return winInfo
}
return nil
}
// GetWindowInfos 获得所有窗口信息
func (m *browserWindow) GetWindowInfos() map[int32]IBrowserWindow {
return m.windowInfo
}
// PutWindowInfo 创建一个窗口这后我们需要添加到windowInfo中维护列表中
// Chromium 回调函数 SetOnBeforeBrowser 内设置
func (m *browserWindow) PutWindowInfo(browser *ICefBrowser, windowInfo IBrowserWindow) {
m.windowInfo[browser.BrowserId()] = windowInfo
}
// removeWindowInfo 窗口关闭会从windowInfo移除
func (m *browserWindow) removeWindowInfo(browseId int32) {
delete(m.windowInfo, browseId)
}
// GetBrowser 获取窗口Browser
func (m *browserWindow) GetBrowser(browseId int32) *ICefBrowser {
if winInfo, ok := m.windowInfo[browseId]; ok {
return winInfo.Browser()
}
return nil
}
// LookForMainWindow
// 找到一个最小的窗口ID做主下一个主窗口
func (m *browserWindow) LookForMainWindow() (window target.IWindow) {
var (
browseId int32 = 0
browseWindow IBrowserWindow
)
// 找到最小浏览器ID做下一个主窗口
for bid, info := range m.GetWindowInfos() {
if info.IsClosing() {
// 已被关闭的窗口忽略
continue
} /* else if info.WindowType() == WT_MAIN_BROWSER {
// 如果是主窗口直接返回
browseWindow = info
break
}*/
// 找到最小browserID做为主窗口
if browseId == 0 {
browseId = bid
browseWindow = info
} else if bid < browseId {
browseId = bid
browseWindow = info
}
}
if browseWindow != nil {
// TODO 设置为主窗口,会导致多次关闭进程结束?
//browseWindow.SetWindowType(WT_MAIN_BROWSER)
window = browseWindow.AsTargetWindow()
}
return
}
// SetOnAfterCreated
func (m *BrowserEvent) SetOnAfterCreated(event chromiumEventOnAfterCreatedEx) {
if Args.IsMain() {
m.onAfterCreated = event
}
}
// SetOnBeforeBrowser
func (m *BrowserEvent) SetOnBeforeBrowser(event chromiumEventOnBeforeBrowserEx) {
if Args.IsMain() {
m.onBeforeBrowser = event
}
}
// SetOnAddressChange
func (m *BrowserEvent) SetOnAddressChange(event chromiumEventOnAddressChange) {
if Args.IsMain() {
m.chromium.SetOnAddressChange(event)
}
}
// SetOnBeforeClose
func (m *BrowserEvent) SetOnBeforeClose(event chromiumEventOnBeforeCloseEx) {
if Args.IsMain() {
m.onBeforeClose = event
}
}
// SetOnClose
func (m *BrowserEvent) SetOnClose(event chromiumEventOnCloseEx) {
if Args.IsMain() {
m.onClose = event
}
}
// SetOnPdfPrintFinished
func (m *BrowserEvent) SetOnPdfPrintFinished(event chromiumEventOnPdfPrintFinished) {
if Args.IsMain() {
m.chromium.SetOnPdfPrintFinished(event)
}
}
// SetOnZoomPctAvailable
func (m *BrowserEvent) SetOnZoomPctAvailable(event chromiumEventOnResultFloat) {
if Args.IsMain() {
m.chromium.SetOnZoomPctAvailable(event)
}
}
// SetOnLoadStart
func (m *BrowserEvent) SetOnLoadStart(event chromiumEventOnLoadStart) {
if Args.IsMain() {
m.chromium.SetOnLoadStart(event)
}
}
// SetOnLoadingStateChange
func (m *BrowserEvent) SetOnLoadingStateChange(event chromiumEventOnLoadingStateChange) {
if Args.IsMain() {
m.chromium.SetOnLoadingStateChange(event)
}
}
// SetOnLoadingProgressChange
func (m *BrowserEvent) SetOnLoadingProgressChange(event chromiumEventOnLoadingProgressChange) {
if Args.IsMain() {
m.chromium.SetOnLoadingProgressChange(event)
}
}
// SetOnLoadError
func (m *BrowserEvent) SetOnLoadError(event chromiumEventOnLoadError) {
if Args.IsMain() {
m.chromium.SetOnLoadError(event)
}
}
// SetOnLoadEnd
func (m *BrowserEvent) SetOnLoadEnd(event chromiumEventOnLoadEndEx) {
if Args.IsMain() {
m.onLoadEnd = event
}
}
// SetOnBeforeDownload
func (m *BrowserEvent) SetOnBeforeDownload(event chromiumEventOnBeforeDownloadEx) {
if Args.IsMain() {
m.onBeforeDownload = event
}
}
// SetOnDownloadUpdated
func (m *BrowserEvent) SetOnDownloadUpdated(event chromiumEventOnDownloadUpdated) {
if Args.IsMain() {
m.chromium.SetOnDownloadUpdated(event)
}
}
// SetOnFullScreenModeChange
func (m *BrowserEvent) SetOnFullScreenModeChange(event chromiumEventOnFullScreenModeChange) {
if Args.IsMain() {
m.chromium.SetOnFullScreenModeChange(event)
}
}
// SetOnKeyEvent
func (m *BrowserEvent) SetOnKeyEvent(event chromiumEventOnKeyEventEx) {
if Args.IsMain() {
m.onKeyEvent = event
}
}
// SetOnTitleChange
func (m *BrowserEvent) SetOnTitleChange(event chromiumEventOnTitleChangeEx) {
if Args.IsMain() {
m.onTitleChange = event
}
}
// SetOnRenderCompMsg windows
func (m *BrowserEvent) SetOnRenderCompMsg(event chromiumEventOnCompMsg) {
if Args.IsMain() {
m.onRenderCompMsg = event
}
}
// SetOnGetResourceHandler
//
// 获取资源处理器,通过该函数自己处理资源获取
// 返回 false 并且设置[本地|内置FS]资源加载时开启并继续执行默认实现
func (m *BrowserEvent) SetOnGetResourceHandler(event chromiumEventOnGetResourceHandlerEx) {
if Args.IsMain() {
if localLoadRes.enable() {
m.onGetResourceHandler = event
} else {
m.ChromiumEvent().SetOnGetResourceHandler(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, request *ICefRequest) (resourceHandler *ICefResourceHandler) {
resourceHandler, _ = event(sender, browser, frame, request, nil)
return
})
}
}
}
func (m *BrowserEvent) ChromiumEvent() IChromiumEvent {
return m.chromium
}
// SetOnWidgetCompMsg windows
func (m *BrowserEvent) SetOnWidgetCompMsg(event chromiumEventOnCompMsg) {
if Args.IsMain() {
m.chromium.SetOnWidgetCompMsg(event)
}
}
// SetOnBrowserCompMsg windows
func (m *BrowserEvent) SetOnBrowserCompMsg(event chromiumEventOnCompMsg) {
if Args.IsMain() {
m.chromium.SetOnBrowserCompMsg(event)
}
}
// SetOnRenderProcessTerminated
func (m *BrowserEvent) SetOnRenderProcessTerminated(event chromiumEventOnRenderProcessTerminated) {
if Args.IsMain() {
m.chromium.SetOnRenderProcessTerminated(event)
}
}
// SetOnRenderViewReady
func (m *BrowserEvent) SetOnRenderViewReady(event chromiumEventOnRenderViewReady) {
if Args.IsMain() {
m.chromium.SetOnRenderViewReady(event)
}
}
// SetOnScrollOffsetChanged
func (m *BrowserEvent) SetOnScrollOffsetChanged(event chromiumEventOnScrollOffsetChanged) {
if Args.IsMain() {
m.chromium.SetOnScrollOffsetChanged(event)
}
}
// SetOnBrowseProcessMessageReceived
func (m *BrowserEvent) SetOnBrowseProcessMessageReceived(event BrowseProcessMessageReceivedEx) {
if Args.IsMain() {
m.onProcessMessageReceived = event
}
}
// SetOnBeforeResourceLoad
func (m *BrowserEvent) SetOnBeforeResourceLoad(event chromiumEventOnBeforeResourceLoadEx) {
if Args.IsMain() {
m.onBeforeResourceLoad = event
}
}
// SetOnResourceResponse
func (m *BrowserEvent) SetOnResourceResponse(event chromiumEventOnResourceResponse) {
if Args.IsMain() {
m.chromium.SetOnResourceResponse(event)
}
}
// SetOnResourceRedirect
func (m *BrowserEvent) SetOnResourceRedirect(event chromiumEventOnResourceRedirect) {
if Args.IsMain() {
m.chromium.SetOnResourceRedirect(event)
}
}
// SetOnResourceLoadComplete
func (m *BrowserEvent) SetOnResourceLoadComplete(event chromiumEventOnResourceLoadComplete) {
if Args.IsMain() {
m.chromium.SetOnResourceLoadComplete(event)
}
}
// SetOnCookieSet
func (m *BrowserEvent) SetOnCookieSet(event chromiumEventOnCookieSet) {
if Args.IsMain() {
m.chromium.SetOnCookieSet(event)
}
}
// SetOnCookiesDeleted
func (m *BrowserEvent) SetOnCookiesDeleted(event chromiumEventOnCookiesDeleted) {
if Args.IsMain() {
m.chromium.SetOnCookiesDeleted(event)
}
}
// SetOnCookiesFlushed
func (m *BrowserEvent) SetOnCookiesFlushed(event chromiumEventOnCookiesFlushed) {
if Args.IsMain() {
m.chromium.SetOnCookiesFlushed(event)
}
}
// SetOnCookiesVisited
func (m *BrowserEvent) SetOnCookiesVisited(event chromiumEventOnCookiesVisited) {
if Args.IsMain() {
m.chromium.SetOnCookiesVisited(event)
}
}
// SetOnCookieVisitorDestroyed
func (m *BrowserEvent) SetOnCookieVisitorDestroyed(event chromiumEventOnCookieVisitorDestroyed) {
if Args.IsMain() {
m.chromium.SetOnCookieVisitorDestroyed(event)
}
}
// SetOnBeforeContextMenu
func (m *BrowserEvent) SetOnBeforeContextMenu(event chromiumEventOnBeforeContextMenuEx) {
if Args.IsMain() {
m.onBeforeContextMenu = event
}
}
// SetOnContextMenuCommand
func (m *BrowserEvent) SetOnContextMenuCommand(event chromiumEventOnContextMenuCommandEx) {
if Args.IsMain() {
m.onContextMenuCommand = event
}
}
// SetOnContextMenuDismissed
func (m *BrowserEvent) SetOnContextMenuDismissed(event chromiumEventOnContextMenuDismissed) {
if Args.IsMain() {
m.chromium.SetOnContextMenuDismissed(event)
}
}
// SetOnFrameAttached
func (m *BrowserEvent) SetOnFrameAttached(event chromiumEventOnFrameAttached) {
if Args.IsMain() {
m.chromium.SetOnFrameAttached(event)
}
}
// SetOnMainFrameChanged
func (m *BrowserEvent) SetOnMainFrameChanged(event chromiumEventOnMainFrameChangedEx) {
if Args.IsMain() {
m.onMainFrameChanged = event
}
}
// SetOnBeforePopup
//
// 弹出窗口, 已被默认实现的函数
// 如果自定义实现应在回调函数内返回true, 否则使用默认行为应返回false
// 该事件回调会在任意线程中执行,在操作相关窗口(UI)时应在UI线程中操作 RunOnMainThread
// 回调函数返回 bool
// false: 使用弹出窗口默认行为
// true: 阻止默认行为
func (m *BrowserEvent) SetOnBeforePopup(event chromiumEventOnBeforePopupEx) {
if Args.IsMain() {
m.onBeforePopup = event
}
}
// SetOnOpenUrlFromTab
//func (m *BrowserEvent) SetOnOpenUrlFromTab(event chromiumEventOnOpenUrlFromTab) {
// if Args.IsMain() {
// m.chromium.SetOnOpenUrlFromTab(event)
// }
//}
// SetOnFindResult
func (m *BrowserEvent) SetOnFindResult(event chromiumEventOnFindResult) {
if Args.IsMain() {
m.chromium.SetOnFindResult(event)
}
}
// SetOnDragEnter
func (m *BrowserEvent) SetOnDragEnter(event chromiumEventOnDragEnterEx) {
if Args.IsMain() {
m.onDragEnter = event
}
}
// SetOnDraggableRegionsChanged
func (m *BrowserEvent) SetOnDraggableRegionsChanged(event chromiumEventOnDraggableRegionsChangedEx) {
if Args.IsMain() {
m.onDraggableRegionsChanged = event
}
}