aboutsummaryrefslogtreecommitdiffstats
path: root/src/qml/qml/qqmlexpression.cpp
diff options
context:
space:
mode:
authorAaron Kennedy <aaron.kennedy@nokia.com>2012-03-08 14:25:50 +0100
committerQt by Nokia <qt-info@nokia.com>2012-03-13 05:13:50 +0100
commit5013d53d9400f61699f8edb1dc20f06e19a26a3d (patch)
tree6f6e9284f8843aaa89f2d38aca066170192172bb /src/qml/qml/qqmlexpression.cpp
parent648c80c4c0759efb6e35fac7acc8daad5aab13e2 (diff)
Move binding and expression classes to separate files
Change-Id: Ia9c6996a606e140f31681ecd26d93b1b0fdedf02 Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>
Diffstat (limited to 'src/qml/qml/qqmlexpression.cpp')
-rw-r--r--src/qml/qml/qqmlexpression.cpp266
1 files changed, 0 insertions, 266 deletions
diff --git a/src/qml/qml/qqmlexpression.cpp b/src/qml/qml/qqmlexpression.cpp
index ecdbf21d4b..cefde1decb 100644
--- a/src/qml/qml/qqmlexpression.cpp
+++ b/src/qml/qml/qqmlexpression.cpp
@@ -52,32 +52,6 @@
QT_BEGIN_NAMESPACE
-bool QQmlDelayedError::addError(QQmlEnginePrivate *e)
-{
- if (!e) return false;
-
- if (e->inProgressCreations == 0) return false; // Not in construction
-
- if (prevError) return true; // Already in error chain
-
- prevError = &e->erroredBindings;
- nextError = e->erroredBindings;
- e->erroredBindings = this;
- if (nextError) nextError->prevError = &nextError;
-
- return true;
-}
-
-QQmlJavaScriptExpression::QQmlJavaScriptExpression(VTable *v)
-: m_vtable(v)
-{
-}
-
-QQmlJavaScriptExpression::~QQmlJavaScriptExpression()
-{
- clearGuards();
-}
-
static QQmlJavaScriptExpression::VTable QQmlExpressionPrivate_jsvtable = {
QQmlExpressionPrivate::expressionIdentifier,
QQmlExpressionPrivate::expressionChanged
@@ -514,192 +488,6 @@ void QQmlExpressionPrivate::exceptionToError(v8::Handle<v8::Message> message,
error.setDescription(qDescription);
}
-void QQmlJavaScriptExpression::setNotifyOnValueChanged(bool v)
-{
- activeGuards.setFlagValue(v);
- if (!v) clearGuards();
-}
-
-void QQmlJavaScriptExpression::resetNotifyOnValueChanged()
-{
- clearGuards();
-}
-
-v8::Local<v8::Value>
-QQmlJavaScriptExpression::evaluate(QQmlContextData *context,
- v8::Handle<v8::Function> function, bool *isUndefined)
-{
- Q_ASSERT(context && context->engine);
-
- if (function.IsEmpty() || function->IsUndefined()) {
- if (isUndefined) *isUndefined = true;
- return v8::Local<v8::Value>();
- }
-
- QQmlEnginePrivate *ep = QQmlEnginePrivate::get(context->engine);
-
- Q_ASSERT(notifyOnValueChanged() || activeGuards.isEmpty());
- GuardCapture capture(context->engine, this);
-
- QQmlEnginePrivate::PropertyCapture *lastPropertyCapture = ep->propertyCapture;
- ep->propertyCapture = notifyOnValueChanged()?&capture:0;
-
-
- if (notifyOnValueChanged())
- capture.guards.copyAndClearPrepend(activeGuards);
-
- QQmlContextData *lastSharedContext = 0;
- QObject *lastSharedScope = 0;
-
- bool sharedContext = useSharedContext();
-
- // All code that follows must check with watcher before it accesses data members
- // incase we have been deleted.
- DeleteWatcher watcher(this);
-
- if (sharedContext) {
- lastSharedContext = ep->sharedContext;
- lastSharedScope = ep->sharedScope;
- ep->sharedContext = context;
- ep->sharedScope = scopeObject();
- }
-
- v8::Local<v8::Value> result;
- {
- v8::TryCatch try_catch;
- v8::Handle<v8::Object> This = ep->v8engine()->global();
- if (scopeObject() && requiresThisObject()) {
- v8::Handle<v8::Value> value = ep->v8engine()->newQObject(scopeObject());
- if (value->IsObject()) This = v8::Handle<v8::Object>::Cast(value);
- }
-
- result = function->Call(This, 0, 0);
-
- if (isUndefined)
- *isUndefined = try_catch.HasCaught() || result->IsUndefined();
-
- if (watcher.wasDeleted()) {
- } else if (try_catch.HasCaught()) {
- v8::Context::Scope scope(ep->v8engine()->context());
- v8::Local<v8::Message> message = try_catch.Message();
- if (!message.IsEmpty()) {
- QQmlExpressionPrivate::exceptionToError(message, delayedError()->error);
- } else {
- if (hasDelayedError()) delayedError()->error = QQmlError();
- }
- } else {
- if (hasDelayedError()) delayedError()->error = QQmlError();
- }
- }
-
- if (sharedContext) {
- ep->sharedContext = lastSharedContext;
- ep->sharedScope = lastSharedScope;
- }
-
- if (capture.errorString) {
- for (int ii = 0; ii < capture.errorString->count(); ++ii)
- qWarning("%s", qPrintable(capture.errorString->at(ii)));
- delete capture.errorString;
- capture.errorString = 0;
- }
-
- while (Guard *g = capture.guards.takeFirst())
- g->Delete();
-
- ep->propertyCapture = lastPropertyCapture;
-
- return result;
-}
-
-void QQmlJavaScriptExpression::GuardCapture::captureProperty(QQmlNotifier *n)
-{
- if (expression) {
-
- // Try and find a matching guard
- while (!guards.isEmpty() && !guards.first()->isConnected(n))
- guards.takeFirst()->Delete();
-
- Guard *g = 0;
- if (!guards.isEmpty()) {
- g = guards.takeFirst();
- g->cancelNotify();
- Q_ASSERT(g->isConnected(n));
- } else {
- g = Guard::New(expression, engine);
- g->connect(n);
- }
-
- expression->activeGuards.prepend(g);
- }
-}
-
-void QQmlJavaScriptExpression::GuardCapture::captureProperty(QObject *o, int c, int n)
-{
- if (expression) {
- if (n == -1) {
- if (!errorString) {
- errorString = new QStringList;
- QString preamble = QLatin1String("QQmlExpression: Expression ") +
- expression->m_vtable->expressionIdentifier(expression) +
- QLatin1String(" depends on non-NOTIFYable properties:");
- errorString->append(preamble);
- }
-
- const QMetaObject *metaObj = o->metaObject();
- QMetaProperty metaProp = metaObj->property(c);
-
- QString error = QLatin1String(" ") +
- QString::fromUtf8(metaObj->className()) +
- QLatin1String("::") +
- QString::fromUtf8(metaProp.name());
- errorString->append(error);
- } else {
-
- // Try and find a matching guard
- while (!guards.isEmpty() && !guards.first()->isConnected(o, n))
- guards.takeFirst()->Delete();
-
- Guard *g = 0;
- if (!guards.isEmpty()) {
- g = guards.takeFirst();
- g->cancelNotify();
- Q_ASSERT(g->isConnected(o, n));
- } else {
- g = Guard::New(expression, engine);
- g->connect(o, n);
- }
-
- expression->activeGuards.prepend(g);
- }
- }
-}
-
-void QQmlJavaScriptExpression::clearError()
-{
- if (m_vtable.hasValue()) {
- m_vtable.value().error = QQmlError();
- m_vtable.value().removeError();
- }
-}
-
-QQmlError QQmlJavaScriptExpression::error() const
-{
- if (m_vtable.hasValue()) return m_vtable.constValue()->error;
- else return QQmlError();
-}
-
-QQmlDelayedError *QQmlJavaScriptExpression::delayedError()
-{
- return &m_vtable.value();
-}
-
-void QQmlJavaScriptExpression::clearGuards()
-{
- while (Guard *g = activeGuards.takeFirst())
- g->Delete();
-}
-
// Must be called with a valid handle scope
v8::Local<v8::Value> QQmlExpressionPrivate::v8value(QObject *secondaryScope, bool *isUndefined)
{
@@ -923,60 +711,6 @@ QString QQmlExpressionPrivate::expressionIdentifier(QQmlJavaScriptExpression *e)
return QLatin1String("\"") + This->expression + QLatin1String("\"");
}
-QQmlAbstractExpression::QQmlAbstractExpression()
-: m_prevExpression(0), m_nextExpression(0)
-{
-}
-
-QQmlAbstractExpression::~QQmlAbstractExpression()
-{
- if (m_prevExpression) {
- *m_prevExpression = m_nextExpression;
- if (m_nextExpression)
- m_nextExpression->m_prevExpression = m_prevExpression;
- }
-
- if (m_context.isT2())
- m_context.asT2()->_s = 0;
-}
-
-QQmlContextData *QQmlAbstractExpression::context() const
-{
- if (m_context.isT1()) return m_context.asT1();
- else return m_context.asT2()->_c;
-}
-
-void QQmlAbstractExpression::setContext(QQmlContextData *context)
-{
- if (m_prevExpression) {
- *m_prevExpression = m_nextExpression;
- if (m_nextExpression)
- m_nextExpression->m_prevExpression = m_prevExpression;
- m_prevExpression = 0;
- m_nextExpression = 0;
- }
-
- if (m_context.isT1()) m_context = context;
- else m_context.asT2()->_c = context;
-
- if (context) {
- m_nextExpression = context->expressions;
- if (m_nextExpression)
- m_nextExpression->m_prevExpression = &m_nextExpression;
- m_prevExpression = &context->expressions;
- context->expressions = this;
- }
-}
-
-void QQmlAbstractExpression::refresh()
-{
-}
-
-bool QQmlAbstractExpression::isValid() const
-{
- return context() != 0;
-}
-
QT_END_NAMESPACE
#include <moc_qqmlexpression.cpp>