mbk-lab
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rui
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Optimisation

This commit is contained in:
anoshenko 2022-11-03 14:33:54 +03:00
parent 12df67cfb4
commit 9f084cc3f2
2 changed files with 59 additions and 9 deletions
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6
appWasm.go
View File

@ -31,7 +31,11 @@ func wasmLog(text string) {
func (app *wasmApp) handleMessage(this js.Value, args []js.Value) any {
if len(args) > 0 {
if obj := ParseDataText(args[0].String()); obj != nil {
text := args[0].String()
if ProtocolInDebugLog {
DebugLog(text)
}
if obj := ParseDataText(text); obj != nil {
switch command := obj.Tag(); command {
/*
case "startSession":

62
wasmBridge.go
View File

@ -35,7 +35,7 @@ func (bridge *wasmBridge) startUpdateScript(htmlID string) bool {
func (bridge *wasmBridge) finishUpdateScript(htmlID string) {
}
func (bridge *wasmBridge) callFunc(funcName string, args ...any) bool {
func (bridge *wasmBridge) printFuncToLog(funcName string, args ...any) {
if ProtocolInDebugLog {
text := funcName + "("
for i, arg := range args {
@ -47,25 +47,54 @@ func (bridge *wasmBridge) callFunc(funcName string, args ...any) bool {
}
DebugLog(text + ")")
}
}
func (bridge *wasmBridge) callFunc(funcName string, args ...any) bool {
bridge.printFuncToLog(funcName, args...)
js.Global().Call(funcName, args...)
return true
}
func (bridge *wasmBridge) updateInnerHTML(htmlID, html string) {
bridge.callFunc("updateInnerHTML", htmlID, html)
bridge.updateProperty(htmlID, "innerHTML", html)
}
func (bridge *wasmBridge) appendToInnerHTML(htmlID, html string) {
bridge.callFunc("appendToInnerHTML", htmlID, html)
if ProtocolInDebugLog {
DebugLog(fmt.Sprintf("%s.innerHTML += '%s'", htmlID, html))
}
element := js.Global().Get("document").Call("getElementById", htmlID)
if !element.IsUndefined() && !element.IsNull() {
oldHtml := element.Get("innerHTML").String()
element.Set("innerHTML", oldHtml+html)
js.Global().Call("scanElementsSize")
}
}
func (bridge *wasmBridge) updateCSSProperty(htmlID, property, value string) {
bridge.callFunc("updateCSSProperty", htmlID, property, value)
if ProtocolInDebugLog {
DebugLog(fmt.Sprintf("%s.style[%s] = '%s'", htmlID, property, value))
}
element := js.Global().Get("document").Call("getElementById", htmlID)
if !element.IsUndefined() && !element.IsNull() {
element.Get("style").Set(property, value)
js.Global().Call("scanElementsSize")
}
}
func (bridge *wasmBridge) updateProperty(htmlID, property string, value any) {
bridge.callFunc("updateProperty", htmlID, property, value)
if ProtocolInDebugLog {
DebugLog(fmt.Sprintf("%s.%s = '%v'", htmlID, property, value))
}
element := js.Global().Get("document").Call("getElementById", htmlID)
if !element.IsUndefined() && !element.IsNull() {
element.Set(property, value)
js.Global().Call("scanElementsSize")
}
}
func (bridge *wasmBridge) removeProperty(htmlID, property string) {
@ -92,6 +121,10 @@ func (bridge *wasmBridge) writeMessage(script string) bool {
}
func (bridge *wasmBridge) cavnasStart(htmlID string) {
if ProtocolInDebugLog {
DebugLog("const ctx = document.getElementById('" + htmlID + "'elementId').getContext('2d');\nctx.save();")
}
bridge.canvas = js.Global().Call("getCanvasContext", htmlID)
if !bridge.canvas.IsNull() {
bridge.canvas.Call("save")
@ -110,12 +143,14 @@ func (bridge *wasmBridge) callCanvasFunc(funcName string, args ...any) {
}
}
bridge.printFuncToLog("ctx."+funcName, args...)
bridge.canvas.Call(funcName, args...)
}
}
func (bridge *wasmBridge) callCanvasVarFunc(v any, funcName string, args ...any) {
if jsVar, ok := v.(js.Value); ok && !jsVar.IsNull() {
bridge.printFuncToLog(jsVar.String()+"."+funcName, args...)
jsVar.Call(funcName, args...)
}
}
@ -123,10 +158,13 @@ func (bridge *wasmBridge) callCanvasVarFunc(v any, funcName string, args ...any)
func (bridge *wasmBridge) callCanvasImageFunc(url string, property string, funcName string, args ...any) {
image := js.Global().Get("images").Call("get", url)
if !image.IsUndefined() && !image.IsNull() && !bridge.canvas.IsNull() {
result := bridge.canvas.Call(funcName, append([]any{image}, args...)...)
args = append([]any{image}, args...)
result := bridge.canvas.Call(funcName, args...)
if property != "" {
bridge.printFuncToLog("ctx."+property+" = ctx."+funcName, args...)
bridge.canvas.Set(property, result)
} else {
bridge.printFuncToLog("ctx."+funcName, args...)
}
}
}
@ -135,17 +173,25 @@ func (bridge *wasmBridge) createCanvasVar(funcName string, args ...any) any {
if bridge.canvas.IsNull() {
return bridge.canvas
}
return bridge.canvas.Call(funcName, args...)
result := bridge.canvas.Call(funcName, args...)
bridge.printFuncToLog("var "+result.String()+" = ctx."+funcName, args...)
return result
}
func (bridge *wasmBridge) updateCanvasProperty(property string, value any) {
if !bridge.canvas.IsNull() {
if ProtocolInDebugLog {
DebugLog(fmt.Sprintf("ctx.%s = '%v'", property, value))
}
bridge.canvas.Set(property, value)
}
}
func (bridge *wasmBridge) cavnasFinish() {
if !bridge.canvas.IsNull() {
DebugLog("ctx.restore()")
bridge.canvas.Call("restore")
}
}