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authorYann Bodson <yann.bodson@nokia.com>2010-04-12 06:05:11 (GMT)
committerYann Bodson <yann.bodson@nokia.com>2010-04-12 07:00:11 (GMT)
commit4e406c67576848d92a1a051aa7ed4541ac1c2dba (patch)
treeb7518abdba29abc6df91ed78d606d6aad4f4ee1a /src
parent29bcbcd2cacc9c9dee36fe77b6a297e42bedf6d4 (diff)
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Move documentation code to snippet.
Diffstat (limited to 'src')
-rw-r--r--src/declarative/qml/qdeclarativeworkerscript.cpp56
1 files changed, 15 insertions, 41 deletions
diff --git a/src/declarative/qml/qdeclarativeworkerscript.cpp b/src/declarative/qml/qdeclarativeworkerscript.cpp
index 9e137b5..138d979 100644
--- a/src/declarative/qml/qdeclarativeworkerscript.cpp
+++ b/src/declarative/qml/qdeclarativeworkerscript.cpp
@@ -113,14 +113,14 @@ public:
QDeclarativeWorkerScriptEnginePrivate(QDeclarativeEngine *eng);
- struct ScriptEngine : public QDeclarativeScriptEngine
+ struct ScriptEngine : public QDeclarativeScriptEngine
{
ScriptEngine(QDeclarativeWorkerScriptEnginePrivate *parent) : QDeclarativeScriptEngine(0), p(parent), accessManager(0) {}
~ScriptEngine() { delete accessManager; }
QDeclarativeWorkerScriptEnginePrivate *p;
QNetworkAccessManager *accessManager;
- virtual QNetworkAccessManager *networkAccessManager() {
+ virtual QNetworkAccessManager *networkAccessManager() {
if (!accessManager) {
if (p->qmlengine && p->qmlengine->networkAccessManagerFactory()) {
accessManager = p->qmlengine->networkAccessManagerFactory()->create(this);
@@ -189,7 +189,7 @@ QScriptValue QDeclarativeWorkerScriptEnginePrivate::onMessage(QScriptContext *ct
if (!script)
return engine->undefinedValue();
- if (ctxt->argumentCount() >= 1)
+ if (ctxt->argumentCount() >= 1)
script->callback = ctxt->argument(0);
return script->callback;
@@ -205,13 +205,13 @@ QScriptValue QDeclarativeWorkerScriptEnginePrivate::sendMessage(QScriptContext *
int id = ctxt->thisObject().data().toVariant().toInt();
WorkerScript *script = p->workers.value(id);
- if (!script)
+ if (!script)
return engine->undefinedValue();
QMutexLocker(&p->m_lock);
- if (script->owner)
- QCoreApplication::postEvent(script->owner,
+ if (script->owner)
+ QCoreApplication::postEvent(script->owner,
new WorkerDataEvent(0, scriptValueToVariant(ctxt->argument(0))));
return engine->undefinedValue();
@@ -233,7 +233,7 @@ QScriptValue QDeclarativeWorkerScriptEnginePrivate::getWorker(int id)
QScriptValue api = workerEngine->newObject();
api.setData(script->id);
- api.setProperty(QLatin1String("onMessage"), workerEngine->newFunction(onMessage),
+ api.setProperty(QLatin1String("onMessage"), workerEngine->newFunction(onMessage),
QScriptValue::PropertyGetter | QScriptValue::PropertySetter);
api.setProperty(QLatin1String("sendMessage"), workerEngine->newFunction(sendMessage));
@@ -372,7 +372,7 @@ QScriptValue QDeclarativeWorkerScriptEnginePrivate::variantToScriptValue(const Q
QVariantList list = qvariant_cast<QVariantList>(value);
QScriptValue rv = engine->newArray(list.count());
- for (quint32 ii = 0; ii < quint32(list.count()); ++ii)
+ for (quint32 ii = 0; ii < quint32(list.count()); ++ii)
rv.setProperty(ii, variantToScriptValue(list.at(ii), engine));
return rv;
@@ -382,7 +382,7 @@ QScriptValue QDeclarativeWorkerScriptEnginePrivate::variantToScriptValue(const Q
QScriptValue rv = engine->newObject();
- for (QVariantHash::ConstIterator iter = hash.begin(); iter != hash.end(); ++iter)
+ for (QVariantHash::ConstIterator iter = hash.begin(); iter != hash.end(); ++iter)
rv.setProperty(iter.key(), variantToScriptValue(iter.value(), engine));
return rv;
@@ -517,36 +517,10 @@ void QDeclarativeWorkerScriptEngine::run()
Messages can be passed between the new thread and the parent thread
using sendMessage() and the onMessage() handler.
-
- Here is an example:
-
- \qml
- import Qt 4.7
-
- Rectangle {
- width: 300
- height: 300
-
- Text {
- id: myText
- text: 'Click anywhere'
- }
-
- WorkerScript {
- id: myWorker
- source: "script.js"
- onMessage: {
- myText.text = messageObject.reply
- }
- }
+ Here is an example:
- MouseArea {
- anchors.fill: parent
- onClicked: myWorker.sendMessage( {'x': mouse.x, 'y': mouse.y} );
- }
- }
- \endqml
+ \snippet doc/src/snippets/declarative/workerscript.qml 0
The above worker script specifies a javascript file, "script.js", that handles
the operations to be performed in the new thread:
@@ -554,10 +528,10 @@ void QDeclarativeWorkerScriptEngine::run()
\qml
WorkerScript.onMessage = function(message) {
// ... long-running operations and calculations are done here
- WorkerScript.sendMessage( {'reply': 'Mouse is at ' + message.x + ',' + message.y} );
+ WorkerScript.sendMessage({ 'reply': 'Mouse is at ' + message.x + ',' + message.y })
}
\endqml
-
+
When the user clicks anywhere within the rectangle, \c sendMessage() is
called, triggering the \tt WorkerScript.onMessage() handler in
\tt source.js. This in turn sends a reply message that is then received
@@ -591,7 +565,7 @@ void QDeclarativeWorkerScript::setSource(const QUrl &source)
m_source = source;
- if (m_engine)
+ if (m_engine)
m_engine->executeUrl(m_scriptId, m_source);
emit sourceChanged();
@@ -645,7 +619,7 @@ bool QDeclarativeWorkerScript::event(QEvent *event)
if (engine) {
QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
WorkerDataEvent *workerEvent = static_cast<WorkerDataEvent *>(event);
- QScriptValue value =
+ QScriptValue value =
QDeclarativeWorkerScriptEnginePrivate::variantToScriptValue(workerEvent->data(), scriptEngine);
emit message(value);
}