U: IPC NewTarget IWindow > Add Chromium

cef/browser_window_lcl.go

@@ -576,7 +576,7 @@ func (m *LCLBrowserWindow) ChromiumCreate(config *TCefChromiumConfig, defaultUrl
 	//windowParent
 	m.WindowParent().DefaultAnchors()
 	m.WindowParent().SetOnEnter(func(sender lcl.IObject) {
-		if m.isClosing {
+		if m.IsClosing() {
 			return
 		}
 		m.Chromium().Initialized()
@@ -584,7 +584,7 @@ func (m *LCLBrowserWindow) ChromiumCreate(config *TCefChromiumConfig, defaultUrl
 		m.Chromium().SetFocus(true)
 	})
 	m.WindowParent().SetOnExit(func(sender lcl.IObject) {
-		if m.isClosing {
+		if m.IsClosing() {
 			return
 		}
 		m.Chromium().SendCaptureLostEvent()
@@ -846,7 +846,7 @@ func (m *LCLBrowserWindow) resize(sender lcl.IObject) {
 		}
 	}
 	if !ret {
-		if m.isClosing {
+		if m.IsClosing() {
 			return
 		}
 		m.setCurrentProperty()
@@ -882,7 +882,7 @@ func (m *LCLBrowserWindow) activate(sender lcl.IObject) {
 		ret = m.onActivate(sender)
 	}
 	if !ret {
-		if m.isClosing {
+		if m.IsClosing() {
 			return
 		}
 		if m.chromiumBrowser != nil && !m.chromiumBrowser.IsCreated() {
@@ -945,18 +945,24 @@ func (m *LCLBrowserWindow) CloseBrowserWindow() {
 				m.Close()
 			} else {
 				//sub window close
-				m.isClosing = true
+				m.setClosing(true)
 				m.Hide()
 				m.Chromium().CloseBrowser(true)
 			}
 		} else {
-			m.isClosing = true
+			m.setClosing(true)
 			m.Hide()
 			m.Chromium().CloseBrowser(true)
 		}
 	})
 }
 
+// 窗口关闭时设置为true
+func (m *LCLBrowserWindow) setClosing(v bool) {
+	m.isClosing = v
+	m.Chromium().setClosing(v)
+}
+
 // TryCloseWindowAndTerminate
 // 尝试关闭窗口并退出应用,
 // EnableMainWindow = false
@@ -1020,8 +1026,8 @@ func (m *LCLBrowserWindow) closeQuery(sender lcl.IObject, close *bool) {
 			*close = m.canClose
 		}
 		RunOnMainThread(func() {
-			if !m.isClosing {
-				m.isClosing = true
+			if !m.IsClosing() {
+				m.setClosing(true)
 				m.Chromium().CloseBrowser(true)
 				if IsDarwin() {
 					m.Show() // mac 主窗口未得到焦点时应用不退出, 所以show一下

cef/chromium.go

@@ -40,6 +40,7 @@ type TCEFChromium struct {
 	widgetHandle  types.HWND
 	renderHandle  types.HWND
 	initialized   bool
+	isClosing     bool
 }
 
 // NewChromium 创建一个新的 TCEFChromium

cef/chromium_proc.go

@@ -200,6 +200,9 @@ type IChromiumProc interface {
 	InitializeDragAndDrop(dropTargetCtrl lcl.IWinControl)
 	Fullscreen() bool
 	ExitFullscreen(willCauseResize bool)
+	AsTargetWindow() target.IWindow
+	IsClosing() bool
+	setClosing(v bool)
 }
 
 // IsValid 实例有效
@@ -1678,3 +1681,43 @@ func (m *TCEFChromium) ExitFullscreen(willCauseResize bool) {
 	}
 	imports.Proc(def.CEFChromium_ExitFullscreen).Call(m.Instance(), api.PascalBool(willCauseResize))
 }
+
+// Target
+//
+//	IPC消息接收目标, 当前窗口chromium发送
+//	参数: targetType 可选, 接收类型
+func (m *TCEFChromium) Target(targetType ...target.Type) target.ITarget {
+	if !m.IsValid() {
+		return nil
+	}
+	browse := m.Browser()
+	if !browse.IsValid() {
+		return nil
+	}
+	return target.NewTarget(m, browse.Identifier(), browse.MainFrame().Identifier(), targetType...)
+}
+
+// ProcessMessage
+//
+//	IPC消息触发当前Chromium
+func (m *TCEFChromium) ProcessMessage() target.IProcessMessage {
+	if m == nil {
+		return nil
+	}
+	return m
+}
+
+// AsTargetWindow 转换为 IPC 目标接收窗口
+func (m *TCEFChromium) AsTargetWindow() target.IWindow {
+	return m
+}
+
+// IsClosing 返回窗口是否正在关闭/或已关闭 true正在或已关闭
+func (m *TCEFChromium) IsClosing() bool {
+	return m.isClosing
+}
+
+// 当窗口关闭时设置为true
+func (m *TCEFChromium) setClosing(v bool) {
+	m.isClosing = v
+}

cef/types_frame.go

@@ -150,7 +150,14 @@ func (m *ICefFrame) SendProcessMessageForJSONBytes(messageName string, targetPro
 	if !m.IsValid() || application.IsSpecVer49() {
 		return
 	}
-	imports.Proc(def.CEFFrame_SendProcessMessageForJSONBytes).Call(m.Instance(), api.PascalStr(messageName), targetProcess.ToPtr(), uintptr(unsafe.Pointer(&data[0])), uintptr(uint32(len(data))))
+	var (
+		dataPtr uintptr
+		count   = uint32(len(data))
+	)
+	if count > 0 {
+		dataPtr = uintptr(unsafe.Pointer(&data[0]))
+	}
+	imports.Proc(def.CEFFrame_SendProcessMessageForJSONBytes).Call(m.Instance(), api.PascalStr(messageName), targetProcess.ToPtr(), dataPtr, uintptr(count))
 }
 
 // SendProcessMessageForV8Value 发送进程消息