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Copy pathHtmlAudioNode.cpp
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148 lines (128 loc) · 3.84 KB
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#include "stdafx.h"
#include "HtmlAudioNode.h"
#include "HtmlAudioContext.h"
#include "HtmlAudioParam.h"
IMPLEMENT_CUSTOM_CLASS(HtmlAudioNode, CustomClassBase)
HtmlAudioNode::HtmlAudioNode()
{
}
HtmlAudioNode::~HtmlAudioNode()
{
}
bool HtmlAudioNode::InitClass(const HandleContext&context)
{
return InitClass_s(context, "HTMLAudioNode", HandleObject());
}
bool HtmlAudioNode::OnGetProperty(GetPropertyArgs&args)
{
return CustomClassBase::OnGetProperty(args);
}
bool HtmlAudioNode::OnSetProperty(SetPropertyArgs&args)
{
const char*name = args.GetName();
if (!PROPCMP(name, "context"))
{
m_pContext = dynamic_cast<HtmlAudioContext*>(FindCustomClass(args.GetValue().GetObject()));
}
return CustomClassBase::OnSetProperty(args);
}
bool HtmlAudioNode::connect(IFunctionCallbackArgs&args)//连接到另一个node的输出端，数据会从另一个node推送过来
{
CHECK_ARGS_COUNT_MIN(1, "HtmlAudioNode::connect");
LocalObject objnode(args.getContext(), args[0].GetObject());
HtmlAudioNode*pnode = dynamic_cast<HtmlAudioNode*>(FindCustomClass(objnode));
if (!pnode)
{
assert(0);
return false;
}
LocalObject objthis(args.getContext(), GetJsObject());
LocalObject objOldConnect(args.getContext(),objthis.GetProperty("__connectNode").GetObject());
if (!objOldConnect.IsNull())
{//解除旧的连接
HtmlAudioNode*pnodeOld = dynamic_cast<HtmlAudioNode*>(FindCustomClass(objOldConnect));
assert(pnodeOld);
CustomClassAutoThisObj cc(pnodeOld, objOldConnect);
pnodeOld->RemoveConnectedNode(args.getContext(), objthis);
}
objthis.SetProperty("__connectNode", args[0]);
CustomClassAutoThisObj cc(pnode, objnode);
pnode->AddConnectedNode(args.getContext(), objthis);
return true;
}
bool HtmlAudioNode::disconnect(IFunctionCallbackArgs&args)
{
LocalObject objthis(args.getContext(), GetJsObject());
LocalObject objOldConnect(args.getContext(), objthis.GetProperty("__connectNode").GetObject());
if (!objOldConnect.IsNull())
{//解除旧的连接
HtmlAudioNode*pnodeOld = dynamic_cast<HtmlAudioNode*>(FindCustomClass(objOldConnect));
assert(pnodeOld);
CustomClassAutoThisObj cc(pnodeOld, objOldConnect);
pnodeOld->RemoveConnectedNode(args.getContext(), objthis);
objthis.SetProperty("__connectNode", ValueBase());
}
return true;
}
bool HtmlAudioNode::AddConnectedNode(const HandleContext& context, const HandleObject & objnode)//调用了objnode的connect()后在被连接的node中添加objnode作为输出node
{
LocalObject objthis(context, GetJsObject());
LocalObject objlist(context,objthis.GetProperty("__destNodeList").GetObject());
if (objlist.IsNull())
{
objlist.CreateArrayObject(0);
objthis.SetProperty("__destNodeList", objlist);
}
int nCount = objlist.GetArrayLength();
int iEmpty = -1;
for (int i = 0; i < nCount; i++)
{
LocalObject objitem(context, objlist.GetElement(i).GetObject());
if (objitem == objnode)return true;
if (iEmpty == -1 && objitem.IsNull())
{
iEmpty = i;
}
}
if (iEmpty >= 0)
{
objlist.SetElement(iEmpty, objnode);
}
else
{
objlist.SetElement(nCount, objnode);
}
return true;
}
bool HtmlAudioNode::RemoveConnectedNode(const HandleContext& context, const HandleObject&objnode)
{
LocalObject objthis(context, GetJsObject());
LocalObject objlist(context, objthis.GetProperty("__destNodeList").GetObject());
if (objthis.IsNull())
{
return true;
}
int nCount = objlist.GetArrayLength();
for (int i = 0; i < nCount; i++)
{
LocalObject objitem(context, objlist.GetElement(i).GetObject());
if (objitem == objnode)
{
objlist.SetElement(i, ValueBase());
return true;
}
}
return true;
}
bool HtmlAudioNode::OnConstructor(IFunctionCallbackArgs&args)
{
bool ret = CustomClassBase::OnConstructor(args);
return ret;
}
bool HtmlAudioNode::SetContext(const HandleContext& context, const HandleObject & objctx)
{
return GetJsObject().SetProperty(context, "context", objctx);
}
void HtmlAudioNode::OnValueChanged(HtmlAudioParam* pParam)
{
}