QQmlBinding *
QQmlBinding::createBinding(Identifier id, QObject *obj, QQmlContext *ctxt)
{
if (id < 0)
return 0;
QQmlBinding *rv = 0;
QQmlContextData *ctxtdata = QQmlContextData::get(ctxt);
QQmlEnginePrivate *engine = QQmlEnginePrivate::get(ctxt->engine());
if (engine && ctxtdata && !ctxtdata->url.isEmpty()) {
QQmlTypeData *typeData = engine->typeLoader.getType(ctxtdata->url);
Q_ASSERT(typeData);
if (QQmlCompiledData *cdata = typeData->compiledData()) {
QV4::ExecutionEngine *v4 = engine->v4engine();
QV4::Scope valueScope(v4);
QV4::Function *runtimeFunction = cdata->compilationUnit->runtimeFunctions[cdata->customParserBindings[id]];
QV4::ScopedValue function(valueScope, QV4::QmlBindingWrapper::createQmlCallableForFunction(ctxtdata, obj, runtimeFunction));
rv = new QQmlBinding(function, obj, ctxtdata);
}
typeData->release();
}
return rv;
}
QQmlBinding *
QQmlBinding::createBinding(Identifier id, QObject *obj, QQmlContext *ctxt,
const QString &url, quint16 lineNumber)
{
if (id < 0)
return 0;
QQmlBinding *rv = 0;
QQmlContextData *ctxtdata = QQmlContextData::get(ctxt);
if (ctxt->engine() && ctxtdata && !ctxtdata->url.isEmpty()) {
QQmlEnginePrivate *engine = QQmlEnginePrivate::get(ctxt->engine());
if (engine) {
QQmlTypeData *typeData = engine->typeLoader.getType(ctxtdata->url);
Q_ASSERT(typeData);
if (QQmlCompiledData *cdata = typeData->compiledData()) {
rv = new QQmlBinding(cdata->primitives.at(id), true, obj, ctxtdata, url, lineNumber, 0);
}
typeData->release();
}
}
return rv;
}
QQmlBinding::QQmlBinding(const QQmlScriptString &script, QObject *obj, QQmlContext *ctxt)
: QQmlJavaScriptExpression(&QQmlBinding_jsvtable), QQmlAbstractBinding(Binding)
{
if (ctxt && !ctxt->isValid())
return;
const QQmlScriptStringPrivate *scriptPrivate = script.d.data();
if (!ctxt && (!scriptPrivate->context || !scriptPrivate->context->isValid()))
return;
bool needRewrite = true;
QString code;
int id = scriptPrivate->bindingId;
if (id >= 0) {
QQmlContextData *ctxtdata = QQmlContextData::get(scriptPrivate->context);
QQmlEnginePrivate *engine = QQmlEnginePrivate::get(scriptPrivate->context->engine());
if (engine && ctxtdata && !ctxtdata->url.isEmpty()) {
QQmlTypeData *typeData = engine->typeLoader.getType(ctxtdata->url);
Q_ASSERT(typeData);
if (QQmlCompiledData *cdata = typeData->compiledData()) {
needRewrite = false;
code = cdata->primitives.at(id);
m_url = cdata->name;
}
typeData->release();
}
}
if (needRewrite) {
QQmlRewrite::RewriteBinding rewriteBinding;
code = rewriteBinding(scriptPrivate->script);
}
setNotifyOnValueChanged(true);
QQmlAbstractExpression::setContext(QQmlContextData::get(ctxt ? ctxt : scriptPrivate->context));
setScopeObject(obj ? obj : scriptPrivate->scope);
m_expression = scriptPrivate->script.toUtf8();
m_lineNumber = scriptPrivate->lineNumber;
m_columnNumber = scriptPrivate->columnNumber;
v8function = evalFunction(context(), scopeObject(), code, QString(), m_lineNumber);
}
QQmlBinding::QQmlBinding(const QQmlScriptString &script, QObject *obj, QQmlContext *ctxt)
: QQmlJavaScriptExpression(&QQmlBinding_jsvtable), QQmlAbstractBinding(Binding)
{
if (ctxt && !ctxt->isValid())
return;
const QQmlScriptStringPrivate *scriptPrivate = script.d.data();
if (!ctxt && (!scriptPrivate->context || !scriptPrivate->context->isValid()))
return;
QString url;
QV4::Function *runtimeFunction = 0;
QQmlContextData *ctxtdata = QQmlContextData::get(scriptPrivate->context);
QQmlEnginePrivate *engine = QQmlEnginePrivate::get(scriptPrivate->context->engine());
if (engine && ctxtdata && !ctxtdata->url.isEmpty()) {
QQmlTypeData *typeData = engine->typeLoader.getType(ctxtdata->url);
Q_ASSERT(typeData);
if (QQmlCompiledData *cdata = typeData->compiledData()) {
url = cdata->name;
if (scriptPrivate->bindingId != QQmlBinding::Invalid)
runtimeFunction = cdata->compilationUnit->runtimeFunctions.at(scriptPrivate->bindingId);
}
typeData->release();
}
setNotifyOnValueChanged(true);
QQmlAbstractExpression::setContext(QQmlContextData::get(ctxt ? ctxt : scriptPrivate->context));
setScopeObject(obj ? obj : scriptPrivate->scope);
if (runtimeFunction) {
v4function = QV4::QmlBindingWrapper::createQmlCallableForFunction(ctxtdata, scopeObject(), runtimeFunction);
} else {
QString code = scriptPrivate->script;
v4function = qmlBinding(context(), scopeObject(), code, url, scriptPrivate->lineNumber);
}
}
