From d9ab23c190de774ea093652060981e14ac5aeaf8 Mon Sep 17 00:00:00 2001
From: Aaron Kennedy <aaron.kennedy@nokia.com>
Date: Fri, 14 May 2010 17:15:08 +1000
Subject: Qt.include() support in worker scripts

---
 src/declarative/qml/qdeclarativeengine.cpp       |  3 ++
 src/declarative/qml/qdeclarativeinclude.cpp      | 59 ++++++++++++++++++++++++
 src/declarative/qml/qdeclarativeinclude_p.h      |  2 +
 src/declarative/qml/qdeclarativeworkerscript.cpp |  6 ++-
 4 files changed, 69 insertions(+), 1 deletion(-)

diff --git a/src/declarative/qml/qdeclarativeengine.cpp b/src/declarative/qml/qdeclarativeengine.cpp
index 8d3ca59..2c89abd 100644
--- a/src/declarative/qml/qdeclarativeengine.cpp
+++ b/src/declarative/qml/qdeclarativeengine.cpp
@@ -207,6 +207,9 @@ QDeclarativeScriptEngine::QDeclarativeScriptEngine(QDeclarativeEnginePrivate *pr
     //types
     if (mainthread)
         qtObject.setProperty(QLatin1String("include"), newFunction(QDeclarativeInclude::include, 2));
+    else
+        qtObject.setProperty(QLatin1String("include"), newFunction(QDeclarativeInclude::worker_include, 2));
+
     qtObject.setProperty(QLatin1String("isQtObject"), newFunction(QDeclarativeEnginePrivate::isQtObject, 1));
     qtObject.setProperty(QLatin1String("rgba"), newFunction(QDeclarativeEnginePrivate::rgba, 4));
     qtObject.setProperty(QLatin1String("hsla"), newFunction(QDeclarativeEnginePrivate::hsla, 4));
diff --git a/src/declarative/qml/qdeclarativeinclude.cpp b/src/declarative/qml/qdeclarativeinclude.cpp
index b886935..97220f1 100644
--- a/src/declarative/qml/qdeclarativeinclude.cpp
+++ b/src/declarative/qml/qdeclarativeinclude.cpp
@@ -252,6 +252,65 @@ QScriptValue QDeclarativeInclude::include(QScriptContext *ctxt, QScriptEngine *e
     return result;
 }
 
+QScriptValue QDeclarativeInclude::worker_include(QScriptContext *ctxt, QScriptEngine *engine)
+{
+    if (ctxt->argumentCount() == 0)
+        return engine->undefinedValue();
+
+    QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(engine);
+
+    QString urlString = ctxt->argument(0).toString();
+    QUrl url(ctxt->argument(0).toString());
+    if (url.isRelative()) {
+        QString contextUrl = QScriptDeclarativeClass::scopeChainValue(ctxt, -3).data().toString();
+        Q_ASSERT(!contextUrl.isEmpty());
+
+        url = QUrl(contextUrl).resolved(url);
+        urlString = url.toString();
+    }
+
+    QString localFile = toLocalFileOrQrc(url);
+
+    QScriptValue func = ctxt->argument(1);
+    if (!func.isFunction())
+        func = QScriptValue();
+
+    QScriptValue result;
+    if (!localFile.isEmpty()) {
+
+        QFile f(localFile);
+        if (f.open(QIODevice::ReadOnly)) {
+            QByteArray data = f.readAll();
+            QString code = QString::fromUtf8(data);
 
+            QScriptContext *scriptContext = QScriptDeclarativeClass::pushCleanContext(engine);
+            QScriptValue urlContext = engine->newObject();
+            urlContext.setData(QScriptValue(engine, urlString));
+            scriptContext->pushScope(urlContext);
+
+            QScriptValue scope = QScriptDeclarativeClass::scopeChainValue(ctxt, -4);
+            scriptContext->pushScope(scope);
+            scriptContext->setActivationObject(scope);
+
+            engine->evaluate(code, urlString, 1);
+
+            engine->popContext();
+
+            if (engine->hasUncaughtException()) {
+                result = resultValue(engine, Exception);
+                result.setProperty(QLatin1String("exception"), engine->uncaughtException());
+                engine->clearExceptions();
+            } else {
+                result = resultValue(engine, Ok);
+            }
+            callback(engine, func, result);
+        } else {
+            result = resultValue(engine, NetworkError);
+            callback(engine, func, result);
+        }
+    }
+
+    return result;
+}
 
 QT_END_NAMESPACE
diff --git a/src/declarative/qml/qdeclarativeinclude_p.h b/src/declarative/qml/qdeclarativeinclude_p.h
index 9678e42..3124374 100644
--- a/src/declarative/qml/qdeclarativeinclude_p.h
+++ b/src/declarative/qml/qdeclarativeinclude_p.h
@@ -88,7 +88,9 @@ public:
 
     static QScriptValue resultValue(QScriptEngine *, Status status = Loading);
     static void callback(QScriptEngine *, QScriptValue &callback, QScriptValue &status);
+
     static QScriptValue include(QScriptContext *ctxt, QScriptEngine *engine);
+    static QScriptValue worker_include(QScriptContext *ctxt, QScriptEngine *engine);
 
 public slots:
     void finished();
diff --git a/src/declarative/qml/qdeclarativeworkerscript.cpp b/src/declarative/qml/qdeclarativeworkerscript.cpp
index c55998f..4b687a9 100644
--- a/src/declarative/qml/qdeclarativeworkerscript.cpp
+++ b/src/declarative/qml/qdeclarativeworkerscript.cpp
@@ -289,7 +289,11 @@ void QDeclarativeWorkerScriptEnginePrivate::processLoad(int id, const QUrl &url)
 
         QScriptValue activation = getWorker(id);
 
-        QScriptContext *ctxt = workerEngine->pushContext();
+        QScriptContext *ctxt = QScriptDeclarativeClass::pushCleanContext(workerEngine);
+        QScriptValue urlContext = workerEngine->newObject();
+        urlContext.setData(QScriptValue(workerEngine, fileName));
+        ctxt->pushScope(urlContext);
+        ctxt->pushScope(activation);
         ctxt->setActivationObject(activation);
 
         workerEngine->baseUrl = url;
-- 
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