mirror of
https://gitee.com/energye/energy.git
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117 lines
4.2 KiB
Go
117 lines
4.2 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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// Go&JS变量绑定
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package cef
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import (
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"bytes"
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"github.com/energye/energy/common/imports"
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"github.com/energye/golcl/lcl/api"
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"reflect"
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"strconv"
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"unsafe"
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)
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// JSValue
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// GO和JS变量类型接口
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type JSValue interface {
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SetAnyValue(value interface{}) error //多类型值设置
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IntegerValue() (int32, error) //返回 Integer 类型值, 成功 error = nil
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DoubleValue() (float64, error) //返回 Double 类型值, 成功 error = nil
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StringValue() (string, error) //返回 String 类型值, 成功 error = nil
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BooleanValue() (bool, error) //返回 Boolean 类型值, 成功 error = nil
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IsInteger() bool //是否 Integer
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IsDouble() bool //是否 Double
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IsString() bool //是否 String
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IsBool() bool //是否 Bool
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IsArray() bool //是否 JSONArray
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IsObject() bool //是否 Object
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IsFunction() bool //是否 Function
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IsNull() bool //是否 Null
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IsUndefined() bool //是否 Undefined
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AsV8Value() *V8Value //转换为 V8Value
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AsInteger() *JSInteger //转换为 Integer 失败返回 nil
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AsDouble() *JSDouble //转换为 Double 失败返回 nil
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AsString() *JSString //转换为 String 失败返回 nil
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AsBoolean() *JSBoolean //转换为 Boolean 失败返回 nil
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AsArray() *JSArray //转换为 JSONArray 失败返回 nil
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AsFunction() *JSFunction //转换为 Function 失败返回 nil
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Instance() uintptr //当前变量指针
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Name() string //当前变量绑定的名称
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ValueType() *VT //变量类型
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Bytes() []byte //变量值转换为字节
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ValueToPtr() (unsafe.Pointer, error) //值转为指针
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Lock() //变量自有锁-加锁
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UnLock() //变量自有锁-释放锁
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invoke(inParams []reflect.Value) (outParams []reflect.Value, success bool)
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setInstance(instance unsafe.Pointer)
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setName(name string)
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getValue() interface{}
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setValue(value interface{})
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getFuncInfo() *funcInfo
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setEventId(eventId uintptr)
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getEventId() uintptr
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isCommon() bool
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setThat(that JSValue)
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}
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// ICefV8Context bindGoToJS
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//
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// 主进程创建完之后和渲染进程每次创建之后调用
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//
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// 潜在问题，如果函数名包含数字可能会引起函数冲突，入参或出参类型不正确，导致调用失败
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func bindGoToJS(browser *ICefBrowser, frame *ICefFrame) {
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//通过回调函数绑定到CEF
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VariableBind.callVariableBind(browser, frame)
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//通过直接绑定到CEF
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var valueBindInfos []*valueBindInfo
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for _, value := range VariableBind.binds() {
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if !value.isCommon() {
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continue
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}
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jsValue := value.(JSValue)
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var vBind = &valueBindInfo{
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BindType: uintptr(int32(jsValue.ValueType().Jsv)),
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}
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vBind.Name = api.PascalStr(jsValue.Name())
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vBind.EventId = jsValue.getEventId()
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valueBindInfos = append(valueBindInfos, vBind)
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if jsValue.IsFunction() {
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var inParamBuf bytes.Buffer
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var outParamBuf bytes.Buffer
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fnInfo := jsValue.getFuncInfo()
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fnInNum := len(fnInfo.InParam)
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fnOutNum := len(fnInfo.OutParam)
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vBind.FnInNum = uintptr(fnInNum)
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vBind.FnOutNum = uintptr(fnOutNum)
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for i, inParamType := range fnInfo.InParam {
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if i > 0 {
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inParamBuf.WriteString(",")
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}
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inParamBuf.WriteString(strconv.Itoa(int(inParamType.Jsv)))
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}
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vBind.FnInParamType = api.PascalStr(inParamBuf.String())
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for i, outParamType := range fnInfo.OutParam {
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if i > 0 {
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outParamBuf.WriteString(",")
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}
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outParamBuf.WriteString(strconv.Itoa(int(outParamType.Jsv)))
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}
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vBind.FnOutParamType = api.PascalStr(outParamBuf.String())
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}
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}
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if len(valueBindInfos) > 0 {
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for i := 0; i < len(valueBindInfos); i++ {
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imports.Proc(internale_CEFV8ValueRef_CommonValueBindInfo).Call(uintptr(unsafe.Pointer(valueBindInfos[i])))
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}
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}
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}
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