diff options
Diffstat (limited to 'src/declarative/qml/qdeclarativebinding.cpp')
-rw-r--r-- | src/declarative/qml/qdeclarativebinding.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativebinding.cpp b/src/declarative/qml/qdeclarativebinding.cpp index d9dff44..a5bd604 100644 --- a/src/declarative/qml/qdeclarativebinding.cpp +++ b/src/declarative/qml/qdeclarativebinding.cpp @@ -46,9 +46,11 @@ #include "qdeclarativecontext.h" #include "qdeclarativeinfo.h" #include "private/qdeclarativecontext_p.h" +#include "private/qdeclarativecompiler_p.h" #include "private/qdeclarativedata_p.h" #include "private/qdeclarativestringconverters_p.h" #include "private/qdeclarativestate_p_p.h" +#include "private/qdeclarativedebugtrace_p.h" #include <QVariant> #include <QtCore/qdebug.h> @@ -207,6 +209,8 @@ void QDeclarativeAbstractBinding::setEnabled(bool enabled, QDeclarativePropertyP if (enabled) update(flags); } +QDeclarativeBinding::Identifier QDeclarativeBinding::Invalid = -1; + void QDeclarativeBindingPrivate::refresh() { Q_Q(QDeclarativeBinding); @@ -232,6 +236,28 @@ QDeclarativeBinding::QDeclarativeBinding(void *data, QDeclarativeRefCount *rc, Q setNotifyOnValueChanged(true); } +QDeclarativeBinding * +QDeclarativeBinding::createBinding(Identifier id, QObject *obj, QDeclarativeContext *ctxt, + const QString &url, int lineNumber, QObject *parent) +{ + if (id < 0) + return 0; + + QDeclarativeContextData *ctxtdata = QDeclarativeContextData::get(ctxt); + + QDeclarativeEnginePrivate *engine = QDeclarativeEnginePrivate::get(qmlEngine(obj)); + QDeclarativeCompiledData *cdata = 0; + QDeclarativeTypeData *typeData = 0; + if (engine && ctxtdata && !ctxtdata->url.isEmpty()) { + typeData = engine->typeLoader.get(ctxtdata->url); + cdata = typeData->compiledData(); + } + QDeclarativeBinding *rv = cdata ? new QDeclarativeBinding((void*)cdata->datas.at(id).constData(), cdata, obj, ctxtdata, url, lineNumber, parent) : 0; + if (typeData) + typeData->release(); + return rv; +} + QDeclarativeBinding::QDeclarativeBinding(const QString &str, QObject *obj, QDeclarativeContext *ctxt, QObject *parent) : QDeclarativeExpression(QDeclarativeContextData::get(ctxt), obj, str, *new QDeclarativeBindingPrivate) @@ -248,6 +274,13 @@ QDeclarativeBinding::QDeclarativeBinding(const QString &str, QObject *obj, QDecl setNotifyOnValueChanged(true); } +QDeclarativeBinding::QDeclarativeBinding(const QScriptValue &func, QObject *obj, QDeclarativeContextData *ctxt, QObject *parent) +: QDeclarativeExpression(ctxt, obj, func, *new QDeclarativeBindingPrivate) +{ + setParent(parent); + setNotifyOnValueChanged(true); +} + QDeclarativeBinding::~QDeclarativeBinding() { } @@ -266,6 +299,34 @@ QDeclarativeProperty QDeclarativeBinding::property() const return d->property; } +void QDeclarativeBinding::setEvaluateFlags(EvaluateFlags flags) +{ + Q_D(QDeclarativeBinding); + d->setEvaluateFlags(QDeclarativeQtScriptExpression::EvaluateFlags(static_cast<int>(flags))); +} + +QDeclarativeBinding::EvaluateFlags QDeclarativeBinding::evaluateFlags() const +{ + Q_D(const QDeclarativeBinding); + return QDeclarativeBinding::EvaluateFlags(static_cast<int>(d->evaluateFlags())); +} + + +class QDeclarativeBindingProfiler { +public: + QDeclarativeBindingProfiler(QDeclarativeBinding *bind) + { + QDeclarativeDebugTrace::startRange(QDeclarativeDebugTrace::Binding); + QDeclarativeDebugTrace::rangeData(QDeclarativeDebugTrace::Binding, bind->expression()); + QDeclarativeDebugTrace::rangeLocation(QDeclarativeDebugTrace::Binding, bind->sourceFile(), bind->lineNumber()); + } + + ~QDeclarativeBindingProfiler() + { + QDeclarativeDebugTrace::endRange(QDeclarativeDebugTrace::Binding); + } +}; + void QDeclarativeBinding::update(QDeclarativePropertyPrivate::WriteFlags flags) { Q_D(QDeclarativeBinding); @@ -274,6 +335,7 @@ void QDeclarativeBinding::update(QDeclarativePropertyPrivate::WriteFlags flags) return; if (!d->updating) { + QDeclarativeBindingProfiler prof(this); d->updating = true; bool wasDeleted = false; d->deleted = &wasDeleted; |