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https://gitee.com/energye/energy.git
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371 lines
15 KiB
Go
371 lines
15 KiB
Go
//----------------------------------------
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//
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// Copyright © yanghy. All Rights Reserved.
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//
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// Licensed under Apache License Version 2.0, January 2004
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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//----------------------------------------
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package cef
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import (
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"github.com/energye/energy/v2/cef/winapi"
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"github.com/energye/energy/v2/consts"
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"github.com/energye/energy/v2/pkgs/assetserve"
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et "github.com/energye/energy/v2/types"
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"github.com/energye/golcl/lcl"
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"github.com/energye/golcl/lcl/types"
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)
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// ICEFChromiumBrowser
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//
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// CEFChromium浏览器接口
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type ICEFChromiumBrowser interface {
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SetCreateBrowserExtraInfo(windowName string, context *ICefRequestContext, extraInfo *ICefDictionaryValue) //
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CreateBrowser() // 创建浏览器
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Chromium() IChromium // 返回 chromium
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WindowParent() ICEFWindowParent // 返回 chromium window 组件
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IsCreated() bool // 创建浏览器是否成功
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SetSelfWindow(selfWindow IBrowserWindow) // 设置当前Chromium自己所属的window对象
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// RegisterDefaultEvent 注册默认Chromium事件
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// 如果希望所有默认实现的事件都被注册成功，在使用 NewChromiumBrowser 创建时 owner 参数非 IBrowserWindow
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// 需要在创建Browser之前设置当前Chromium的所属Window, 使用 SetSelfWindow 函数
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RegisterDefaultEvent()
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// RegisterDefaultPopupEvent 注册弹出子窗口事件
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// 如果希望所有默认实现的事件都被注册成功，在使用 NewChromiumBrowser 创建时 owner 参数非 IBrowserWindow
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// 需要在创建Browser之前设置当前Chromium的所属Window, 使用 SetSelfWindow 函数
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RegisterDefaultPopupEvent()
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BroderDirectionAdjustments() et.BroderDirectionAdjustments // 返回可以调整窗口大小的边框方向, 默认所有方向
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SetBroderDirectionAdjustments(val et.BroderDirectionAdjustments) // 设置可以调整窗口大小的边框方向, 默认所有方向
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Rgn() *et.HRGN // Rgn 返回区域
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Regions() *TCefDraggableRegions // Regions 返回区域坐标
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FreeRgn() // FreeRgn 释放掉rgn
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FreeRegions() // FreeRegions 释放掉regions
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}
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// TCEFChromiumBrowser
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//
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// CEFChromium浏览器包装结构
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type TCEFChromiumBrowser struct {
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window IBrowserWindow // chromium 所属窗口
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chromium IChromium // chromium
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windowParent ICEFWindowParent // chromium window 组件
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isCreated bool // chromium browser is created
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createTimer *lcl.TTimer // loop check and create chromium browser
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windowName string //
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context *ICefRequestContext //
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extraInfo *ICefDictionaryValue //
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broderDirectionAdjustments et.BroderDirectionAdjustments //可以调整窗口大小的边框方向, 默认所有方向
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regions *TCefDraggableRegions //窗口内html拖拽区域
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rgn *et.HRGN //
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}
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// NewChromiumBrowser
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//
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// 初始创建一个 chromium 浏览器
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// 当 owner 参数是 IBrowserWindow 类型时，将此参数设置为当前chromium所属的窗口
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func NewChromiumBrowser(owner lcl.IWinControl, config *TCefChromiumConfig) ICEFChromiumBrowser {
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var m = new(TCEFChromiumBrowser)
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// owner是窗口直接设置到selfWindow
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if window, ok := owner.(IBrowserWindow); ok {
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m.window = window
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}
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m.chromium = NewChromium(owner, config)
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m.windowParent = NewCEFWindowParent(owner)
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m.windowParent.SetParent(owner)
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m.windowParent.SetChromium(m.chromium, 0)
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m.windowParent.SetWidth(100)
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m.windowParent.SetHeight(100)
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m.windowParent.SetAlign(types.AlNone)
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m.createTimer = lcl.NewTimer(owner)
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m.createTimer.SetInterval(200)
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m.createTimer.SetEnabled(false)
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m.createTimer.SetOnTimer(m.checkAndCreateBrowser)
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m.broderDirectionAdjustments = et.NewSet(et.BdaTop, et.BdaTopRight, et.BdaRight, et.BdaBottomRight, et.BdaBottom, et.BdaBottomLeft, et.BdaLeft, et.BdaTopLeft)
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return m
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}
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// checkAndCreateBrowser
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//
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// 创建浏览器
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// 创建时如果未创建成功, 使用定时器创建直到成功
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func (m *TCEFChromiumBrowser) checkAndCreateBrowser(sender lcl.IObject) {
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if m.isCreated || m.chromium == nil || m.createTimer == nil {
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return
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}
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m.createTimer.SetEnabled(false)
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if m.isCreated { // 成功创建 释放定时器
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m.createTimer.Free()
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m.createTimer = nil
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return
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}
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m.chromium.Initialized()
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m.isCreated = m.chromium.CreateBrowser(m.windowParent, m.windowName, m.context, m.extraInfo)
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if !m.isCreated {
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m.createTimer.SetEnabled(true)
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} else {
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m.windowParent.UpdateSize()
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}
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}
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func (m *TCEFChromiumBrowser) SetCreateBrowserExtraInfo(windowName string, context *ICefRequestContext, extraInfo *ICefDictionaryValue) {
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m.windowName = windowName
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m.context = context
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m.extraInfo = extraInfo
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}
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// BroderDirectionAdjustments 可以调整窗口大小的边框方向, 默认所有方向
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func (m *TCEFChromiumBrowser) BroderDirectionAdjustments() et.BroderDirectionAdjustments {
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return m.broderDirectionAdjustments
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}
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// SetBroderDirectionAdjustments 设置可以调整窗口大小的边框方向, 默认所有方向
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func (m *TCEFChromiumBrowser) SetBroderDirectionAdjustments(val et.BroderDirectionAdjustments) {
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m.broderDirectionAdjustments = val
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}
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// CreateBrowser
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//
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// 创建浏览器
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// 创建时如果未创建成功, 使用定时任务创建直到成功
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func (m *TCEFChromiumBrowser) CreateBrowser() {
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m.checkAndCreateBrowser(nil)
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}
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// Chromium
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//
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// 返回 chromium
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func (m *TCEFChromiumBrowser) Chromium() IChromium {
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return m.chromium
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}
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// WindowParent
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//
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// 返回 chromium window 组件
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func (m *TCEFChromiumBrowser) WindowParent() ICEFWindowParent {
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return m.windowParent
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}
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// IsCreated
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//
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// 创建浏览器是否成功
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func (m *TCEFChromiumBrowser) IsCreated() bool {
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return m.isCreated
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}
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// SetSelfWindow
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//
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// 设置当前Chromium自己所属的window对象
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func (m *TCEFChromiumBrowser) SetSelfWindow(selfWindow IBrowserWindow) {
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m.window = selfWindow
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}
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func (m *TCEFChromiumBrowser) RegisterDefaultEvent() {
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var bwEvent = BrowserWindow.browserEvent
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m.Chromium().SetOnProcessMessageReceived(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, sourceProcess consts.CefProcessId, message *ICefProcessMessage) bool {
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if bwEvent.onProcessMessageReceived != nil {
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return bwEvent.onProcessMessageReceived(sender, browser, frame, sourceProcess, message, m.window)
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}
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return false
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})
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m.Chromium().SetOnBeforeResourceLoad(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, request *ICefRequest, callback *ICefCallback, result *consts.TCefReturnValue) {
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if assetserve.AssetsServerHeaderKeyValue != "" {
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if application.IsSpecVer49() {
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headerMap := request.GetHeaderMap()
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headerMap.Append(assetserve.AssetsServerHeaderKeyName, assetserve.AssetsServerHeaderKeyValue)
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request.SetHeaderMap(headerMap)
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headerMap.Free()
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} else {
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request.SetHeaderByName(assetserve.AssetsServerHeaderKeyName, assetserve.AssetsServerHeaderKeyValue, true)
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}
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}
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if bwEvent.onBeforeResourceLoad != nil {
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bwEvent.onBeforeResourceLoad(sender, browser, frame, request, callback, result, m.window)
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}
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})
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//事件可以被覆盖
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m.Chromium().SetOnBeforeDownload(func(sender lcl.IObject, browser *ICefBrowser, beforeDownloadItem *ICefDownloadItem, suggestedName string, callback *ICefBeforeDownloadCallback) {
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if bwEvent.onBeforeDownload != nil {
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bwEvent.onBeforeDownload(sender, browser, beforeDownloadItem, suggestedName, callback, m.window)
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} else {
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// 默认保存到当前执行文件所在目录
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callback.Cont(consts.ExeDir+consts.Separator+suggestedName, true)
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}
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})
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m.Chromium().SetOnLoadEnd(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, httpStatusCode int32) {
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if bwEvent.onLoadEnd != nil {
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bwEvent.onLoadEnd(sender, browser, frame, httpStatusCode, m.window)
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}
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})
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if localLoadRes.enable() {
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m.Chromium().SetOnGetResourceHandler(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, request *ICefRequest) (resourceHandler *ICefResourceHandler) {
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//var flag bool
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if bwEvent.onGetResourceHandler != nil {
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resourceHandler, _ = bwEvent.onGetResourceHandler(sender, browser, frame, request, m.window)
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}
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//if !flag {
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// resourceHandler = localLoadRes.getResourceHandler(browser, frame, request)
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//}
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return
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})
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}
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if m.window != nil {
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m.Chromium().SetOnBeforeContextMenu(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, params *ICefContextMenuParams, model *ICefMenuModel) {
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var flag bool
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if bwEvent.onBeforeContextMenu != nil {
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flag = bwEvent.onBeforeContextMenu(sender, browser, frame, params, model, m.window)
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}
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if !flag {
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chromiumOnBeforeContextMenu(m.window, browser, frame, params, model)
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}
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})
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m.Chromium().SetOnContextMenuCommand(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, params *ICefContextMenuParams, commandId consts.MenuId, eventFlags uint32) bool {
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var result bool
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if bwEvent.onContextMenuCommand != nil {
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result = bwEvent.onContextMenuCommand(sender, browser, frame, params, commandId, eventFlags, m.window)
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}
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if !result {
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result = chromiumOnContextMenuCommand(m.window, m, browser, frame, params, commandId, eventFlags)
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}
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return result
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})
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m.Chromium().SetOnAfterCreated(func(sender lcl.IObject, browser *ICefBrowser) {
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var flag bool
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if bwEvent.onAfterCreated != nil {
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flag = bwEvent.onAfterCreated(sender, browser, m.window)
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}
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if !flag {
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chromiumOnAfterCreate(m.window, browser)
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}
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})
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//事件可以被覆盖
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m.Chromium().SetOnKeyEvent(func(sender lcl.IObject, browser *ICefBrowser, event *TCefKeyEvent, osEvent *consts.TCefEventHandle, result *bool) {
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if bwEvent.onKeyEvent != nil {
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bwEvent.onKeyEvent(sender, browser, event, osEvent, m.window, result)
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}
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if !*result {
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if m.window == nil || m.window.WindowType() == consts.WT_DEV_TOOLS || m.window.WindowType() == consts.WT_VIEW_SOURCE {
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return
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}
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if m.Chromium().Config().EnableDevTools() {
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if event.WindowsKeyCode == consts.VkF12 && event.Kind == consts.KEYEVENT_RAW_KEYDOWN {
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browser.ShowDevTools(m.window, m)
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*result = true
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} else if event.WindowsKeyCode == consts.VkF12 && event.Kind == consts.KEYEVENT_KEYUP {
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*result = true
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}
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}
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if KeyAccelerator.accelerator(browser, event, result) {
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return
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}
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}
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})
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m.Chromium().SetOnBeforeBrowser(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, request *ICefRequest, userGesture, isRedirect bool) bool {
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if m.WindowParent() != nil { // VF 时是空的
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m.WindowParent().UpdateSize()
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}
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chromiumOnBeforeBrowser(m.window, browser, frame, request) // default impl
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if bwEvent.onBeforeBrowser != nil {
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return bwEvent.onBeforeBrowser(sender, browser, frame, request, userGesture, isRedirect, m.window)
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}
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return false
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})
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m.Chromium().SetOnTitleChange(func(sender lcl.IObject, browser *ICefBrowser, title string) {
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updateBrowserDevTools(m.window, browser, title)
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if bwEvent.onTitleChange != nil {
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bwEvent.onTitleChange(sender, browser, title, m.window)
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}
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})
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m.Chromium().SetOnDragEnter(func(sender lcl.IObject, browser *ICefBrowser, dragData *ICefDragData, mask consts.TCefDragOperations, result *bool) {
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*result = !m.window.WindowProperty().EnableDragFile
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if bwEvent.onDragEnter != nil {
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bwEvent.onDragEnter(sender, browser, dragData, mask, m.window, result)
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}
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})
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if m.window.WindowProperty().EnableWebkitAppRegion {
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m.Chromium().SetOnDraggableRegionsChanged(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, regions *TCefDraggableRegions) {
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if bwEvent.onDraggableRegionsChanged != nil {
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bwEvent.onDraggableRegionsChanged(sender, browser, frame, regions, m.window)
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}
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if m.window.IsLCL() {
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m.regions = regions
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m.setDraggableRegions()
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} else {
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m.window.AsViewsFrameworkBrowserWindow().BrowserWindow().regions = regions
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m.window.AsViewsFrameworkBrowserWindow().WindowComponent().SetDraggableRegions(regions.Regions())
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}
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})
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}
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}
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// 注册windows下CompMsg事件, CEF 组件消息事件
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m.registerWindowsCompMsgEvent()
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}
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func (m *TCEFChromiumBrowser) RegisterDefaultPopupEvent() {
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var bwEvent = BrowserWindow.browserEvent
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if m.window != nil {
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if m.window.IsViewsFramework() {
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isMain := m.window.WindowType() == consts.WT_MAIN_BROWSER
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if !isMain {
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// 子窗口关闭流程
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m.Chromium().SetOnBeforeClose(func(sender lcl.IObject, browser *ICefBrowser) {
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var flag bool
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if bwEvent.onBeforeClose != nil {
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flag = bwEvent.onBeforeClose(sender, browser, m.window)
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}
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if !flag {
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chromiumOnBeforeClose(m.window, browser)
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m.window.AsViewsFrameworkBrowserWindow().BrowserWindow().TryCloseWindowAndTerminate()
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}
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})
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m.Chromium().SetOnClose(func(sender lcl.IObject, browser *ICefBrowser, aAction *consts.TCefCloseBrowserAction) {
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if bwEvent.onClose != nil {
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bwEvent.onClose(sender, browser, aAction, m.window)
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}
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})
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}
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}
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m.Chromium().SetOnOpenUrlFromTab(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, targetUrl string, targetDisposition consts.TCefWindowOpenDisposition, userGesture bool) bool {
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if !m.Chromium().Config().EnableOpenUrlTab() {
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return true
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}
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return false
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})
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m.Chromium().SetOnBeforePopup(func(sender lcl.IObject, browser *ICefBrowser, frame *ICefFrame, beforePopupInfo *BeforePopupInfo, popupFeatures *TCefPopupFeatures, windowInfo *TCefWindowInfo, client *ICefClient, settings *TCefBrowserSettings, resultExtraInfo *ICefDictionaryValue, noJavascriptAccess *bool) bool {
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if !m.Chromium().Config().EnableWindowPopup() {
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return true
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}
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return m.window.doBeforePopup(sender, browser, frame, beforePopupInfo, popupFeatures, windowInfo, client, settings, resultExtraInfo, noJavascriptAccess)
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})
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}
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}
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// Rgn 返回区域
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func (m *TCEFChromiumBrowser) Rgn() *et.HRGN {
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return m.rgn
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}
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// Regions 返回区域坐标
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func (m *TCEFChromiumBrowser) Regions() *TCefDraggableRegions {
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return m.regions
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}
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// FreeRgn 释放掉rgn
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func (m *TCEFChromiumBrowser) FreeRgn() {
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if m.rgn != nil {
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winapi.SetRectRgn(m.rgn, 0, 0, 0, 0)
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winapi.DeleteObject(m.rgn)
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m.rgn.Free()
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}
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}
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// FreeRegions 释放掉regions
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func (m *TCEFChromiumBrowser) FreeRegions() {
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if m.regions != nil {
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m.regions.regions = nil
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m.regions = nil
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}
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}
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