JSBool GetGUIObjectByName(JSContext* cx, uintN argc, jsval* vp)
{
JSU_REQUIRE_PARAMS(1);
try
{
CStr name = ToPrimitive<CStr>(cx, JS_ARGV(cx, vp)[0]);
IGUIObject* guiObj = g_GUI->FindObjectByName(name);
if (guiObj)
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(guiObj->GetJSObject()));
else
JS_SET_RVAL(cx, vp, JSVAL_NULL);
return JS_TRUE;
}
catch (PSERROR_Scripting&)
{
return JS_FALSE;
}
}
JSBool JSI_IGUIObject::getProperty(JSContext* cx, JSObject* obj, jsid id, jsval* vp)
{
IGUIObject* e = (IGUIObject*)JS_GetInstancePrivate(cx, obj, &JSI_IGUIObject::JSI_class, NULL);
if (!e)
return JS_FALSE;
jsval idval;
if (!JS_IdToValue(cx, id, &idval))
return JS_FALSE;
std::string propName;
if (!ScriptInterface::FromJSVal(cx, idval, propName))
return JS_FALSE;
// Skip some things which are known to be functions rather than properties.
// ("constructor" *must* be here, else it'll try to GetSettingType before
// the private IGUIObject* has been set (and thus crash). The others are
// partly for efficiency, and also to allow correct reporting of attempts to
// access nonexistent properties.)
if (propName == "constructor" ||
propName == "prototype" ||
propName == "toString" ||
propName == "focus" ||
propName == "blur" ||
propName == "getComputedSize"
)
return JS_TRUE;
// Use onWhatever to access event handlers
if (propName.substr(0, 2) == "on")
{
CStr eventName (CStr(propName.substr(2)).LowerCase());
std::map<CStr, JSObject**>::iterator it = e->m_ScriptHandlers.find(eventName);
if (it == e->m_ScriptHandlers.end())
*vp = JSVAL_NULL;
else
*vp = OBJECT_TO_JSVAL(*(it->second));
return JS_TRUE;
}
// Handle the "parent" property specially
if (propName == "parent")
{
IGUIObject* parent = e->GetParent();
if (parent)
{
// If the object isn't parentless, return a new object
*vp = OBJECT_TO_JSVAL(parent->GetJSObject());
}
else
{
// Return null if there's no parent
*vp = JSVAL_NULL;
}
return JS_TRUE;
}
// Also handle "name" specially
else if (propName == "name")
{
*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, e->GetName().c_str()));
return JS_TRUE;
}
// Handle all other properties
else
{
// Retrieve the setting's type (and make sure it actually exists)
EGUISettingType Type;
if (e->GetSettingType(propName, Type) != PSRETURN_OK)
{
JS_ReportError(cx, "Invalid GUIObject property '%s'", propName.c_str());
return JS_FALSE;
}
// (All the cases are in {...} to avoid scoping problems)
switch (Type)
{
case GUIST_bool:
{
bool value;
GUI<bool>::GetSetting(e, propName, value);
*vp = value ? JSVAL_TRUE : JSVAL_FALSE;
break;
}
case GUIST_int:
{
int value;
GUI<int>::GetSetting(e, propName, value);
*vp = INT_TO_JSVAL(value);
break;
}
case GUIST_float:
{
float value;
GUI<float>::GetSetting(e, propName, value);
// Create a garbage-collectable double
return JS_NewNumberValue(cx, value, vp);
}
case GUIST_CColor:
{
CColor colour;
GUI<CColor>::GetSetting(e, propName, colour);
JSObject* obj = JS_NewObject(cx, &JSI_GUIColor::JSI_class, NULL, NULL);
*vp = OBJECT_TO_JSVAL(obj); // root it
jsval c;
// Attempt to minimise ugliness through macrosity
#define P(x) if (!JS_NewNumberValue(cx, colour.x, &c)) return JS_FALSE; JS_SetProperty(cx, obj, #x, &c)
P(r);
P(g);
P(b);
P(a);
#undef P
break;
}
case GUIST_CClientArea:
{
CClientArea area;
GUI<CClientArea>::GetSetting(e, propName, area);
JSObject* obj = JS_NewObject(cx, &JSI_GUISize::JSI_class, NULL, NULL);
*vp = OBJECT_TO_JSVAL(obj); // root it
try
{
#define P(x, y, z) g_ScriptingHost.SetObjectProperty_Double(obj, #z, area.x.y)
P(pixel, left, left);
P(pixel, top, top);
P(pixel, right, right);
P(pixel, bottom, bottom);
P(percent, left, rleft);
P(percent, top, rtop);
P(percent, right, rright);
P(percent, bottom, rbottom);
#undef P
}
catch (PSERROR_Scripting_ConversionFailed)
{
debug_warn(L"Error creating size object!");
break;
}
break;
}
case GUIST_CGUIString:
{
CGUIString value;
GUI<CGUIString>::GetSetting(e, propName, value);
*vp = ScriptInterface::ToJSVal(cx, value.GetOriginalString());
break;
}
case GUIST_CStr:
{
CStr value;
GUI<CStr>::GetSetting(e, propName, value);
*vp = ScriptInterface::ToJSVal(cx, value);
break;
}
case GUIST_CStrW:
{
CStrW value;
GUI<CStrW>::GetSetting(e, propName, value);
*vp = ScriptInterface::ToJSVal(cx, value);
break;
}
case GUIST_CGUISpriteInstance:
{
CGUISpriteInstance *value;
GUI<CGUISpriteInstance>::GetSettingPointer(e, propName, value);
*vp = ScriptInterface::ToJSVal(cx, value->GetName());
break;
}
case GUIST_EAlign:
{
EAlign value;
GUI<EAlign>::GetSetting(e, propName, value);
CStr word;
switch (value)
{
case EAlign_Left: word = "left"; break;
case EAlign_Right: word = "right"; break;
case EAlign_Center: word = "center"; break;
default: debug_warn(L"Invalid EAlign!"); word = "error"; break;
}
*vp = ScriptInterface::ToJSVal(cx, word);
break;
}
case GUIST_EVAlign:
{
EVAlign value;
GUI<EVAlign>::GetSetting(e, propName, value);
CStr word;
switch (value)
{
case EVAlign_Top: word = "top"; break;
case EVAlign_Bottom: word = "bottom"; break;
case EVAlign_Center: word = "center"; break;
default: debug_warn(L"Invalid EVAlign!"); word = "error"; break;
}
*vp = ScriptInterface::ToJSVal(cx, word);
break;
}
case GUIST_CGUIList:
{
CGUIList value;
GUI<CGUIList>::GetSetting(e, propName, value);
JSObject *obj = JS_NewArrayObject(cx, 0, NULL);
*vp = OBJECT_TO_JSVAL(obj); // root it
for (size_t i = 0; i < value.m_Items.size(); ++i)
{
jsval val = ScriptInterface::ToJSVal(cx, value.m_Items[i].GetOriginalString());
JS_SetElement(cx, obj, (jsint)i, &val);
}
break;
}
default:
JS_ReportError(cx, "Setting '%s' uses an unimplemented type", propName.c_str());
DEBUG_WARN_ERR(ERR::LOGIC);
return JS_FALSE;
}
return JS_TRUE;
}
}
