From 606e1150e381e0d824e6850befb101a2ed8e0542 Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@nokia.com>
Date: Fri, 9 Oct 2009 12:03:42 +0200
Subject: Add a way to allow tracking the originating object with
 QNetworkRequest.

Added setOriginatingObject() and originatingObject() to QNetworkRequest
that internally tracks the QObject using a QWeakPointer.

Reviewed-by: Lars Knoll
Rubberstamped-by: Thiago
---
 src/network/access/qnetworkrequest.cpp             | 30 ++++++++++++++++++++++
 src/network/access/qnetworkrequest.h               |  3 +++
 src/network/access/qnetworkrequest_p.h             |  2 ++
 tests/auto/qnetworkrequest/tst_qnetworkrequest.cpp | 16 ++++++++++++
 4 files changed, 51 insertions(+)

diff --git a/src/network/access/qnetworkrequest.cpp b/src/network/access/qnetworkrequest.cpp
index cde9858..ca9e606 100644
--- a/src/network/access/qnetworkrequest.cpp
+++ b/src/network/access/qnetworkrequest.cpp
@@ -481,6 +481,36 @@ void QNetworkRequest::setSslConfiguration(const QSslConfiguration &config)
 }
 #endif
 
+/*!
+    \since 4.6
+
+    Allows setting a reference to the object initiating
+    the request.
+
+    For example QtWebKit sets the originating object to the
+    QWebFrame that initiated the request.
+
+    \sa originatingObject()
+*/
+void QNetworkRequest::setOriginatingObject(QObject *object)
+{
+    d->originatingObject = object;
+}
+
+/*!
+    \since 4.6
+
+    Returns a reference to the object that initiated this
+    network request; returns 0 if not set or the object has
+    been destroyed.
+
+    \sa setOriginatingObject()
+*/
+QObject *QNetworkRequest::originatingObject() const
+{
+    return d->originatingObject.data();
+}
+
 static QByteArray headerName(QNetworkRequest::KnownHeaders header)
 {
     switch (header) {
diff --git a/src/network/access/qnetworkrequest.h b/src/network/access/qnetworkrequest.h
index 7b15237..62c6dda 100644
--- a/src/network/access/qnetworkrequest.h
+++ b/src/network/access/qnetworkrequest.h
@@ -120,6 +120,9 @@ public:
     void setSslConfiguration(const QSslConfiguration &configuration);
 #endif
 
+    void setOriginatingObject(QObject *object);
+    QObject *originatingObject() const;
+
 private:
     QSharedDataPointer<QNetworkRequestPrivate> d;
     friend class QNetworkRequestPrivate;
diff --git a/src/network/access/qnetworkrequest_p.h b/src/network/access/qnetworkrequest_p.h
index 22b239f..9b3632f 100644
--- a/src/network/access/qnetworkrequest_p.h
+++ b/src/network/access/qnetworkrequest_p.h
@@ -58,6 +58,7 @@
 #include "QtCore/qlist.h"
 #include "QtCore/qhash.h"
 #include "QtCore/qshareddata.h"
+#include "QtCore/qsharedpointer.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -73,6 +74,7 @@ public:
     RawHeadersList rawHeaders;
     CookedHeadersMap cookedHeaders;
     AttributesMap attributes;
+    QWeakPointer<QObject> originatingObject;
 
     RawHeadersList::ConstIterator findRawHeader(const QByteArray &key) const;
     QList<QByteArray> rawHeadersKeys() const;
diff --git a/tests/auto/qnetworkrequest/tst_qnetworkrequest.cpp b/tests/auto/qnetworkrequest/tst_qnetworkrequest.cpp
index 3f9632c..2e21087 100644
--- a/tests/auto/qnetworkrequest/tst_qnetworkrequest.cpp
+++ b/tests/auto/qnetworkrequest/tst_qnetworkrequest.cpp
@@ -66,6 +66,7 @@ private slots:
     void setHeader();
     void rawHeaderParsing_data();
     void rawHeaderParsing();
+    void originatingObject();
 
     void removeHeader();
 };
@@ -476,5 +477,20 @@ void tst_QNetworkRequest::removeHeader()
     QVERIFY(request.hasRawHeader("bar"));
 }
 
+void tst_QNetworkRequest::originatingObject()
+{
+    QNetworkRequest request;
+
+    QVERIFY(!request.originatingObject());
+
+    {
+        QObject dummy;
+        request.setOriginatingObject(&dummy);
+        QCOMPARE(request.originatingObject(), &dummy);
+    }
+
+    QVERIFY(!request.originatingObject());
+}
+
 QTEST_MAIN(tst_QNetworkRequest)
 #include "tst_qnetworkrequest.moc"
-- 
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