Merge remote-tracking branch 'origin/5.4' into 5.5

Conflicts:
	examples/xml/htmlinfo/simpleexample.html
	examples/xml/rsslisting/rsslisting.cpp
	qmake/generators/win32/msbuild_objectmodel.cpp
	src/3rdparty/harfbuzz-ng/src/hb-private.hh
	src/corelib/global/qlogging.cpp
	src/corelib/io/qstorageinfo_unix.cpp
	src/corelib/thread/qwaitcondition_unix.cpp
	src/gui/kernel/qguiapplication.cpp
	src/plugins/platforms/linuxfb/qlinuxfbintegration.cpp
	src/testlib/doc/src/qt-webpages.qdoc
	tests/auto/other/qaccessibility/tst_qaccessibility.cpp

Change-Id: Ib272ff0bc30a1a5d51275eb3cd2f201dc82c11ff

1 files changed, 7 insertions, 1 deletions

diff --git a/src/corelib/kernel/qjni_p.h b/src/corelib/kernel/qjni_p.h
index a7859a800f..e79caed5b8 100644
--- a/src/corelib/kernel/qjni_p.h
+++ b/src/corelib/kernel/qjni_p.h
@@ -84,7 +84,10 @@ public:
     QJNIObjectPrivate(const char *className, const char *sig, ...);
     explicit QJNIObjectPrivate(jclass clazz);
     QJNIObjectPrivate(jclass clazz, const char *sig, ...);
-    QJNIObjectPrivate(jobject obj);
+    // In most cases you should never call this function with a local ref. unless you intend
+    // to manage the local ref. yourself.
+    // NOTE: see fromLocalRef() for converting a local ref. to QJNIObjectPrivate.
+    explicit QJNIObjectPrivate(jobject globalRef);
 
     template <typename T>
     T callMethod(const char *methodName,
@@ -183,6 +186,9 @@ public:
         return *this;
     }
 
+    // This function takes ownership of the jobject and releases the local ref. before returning.
+    static QJNIObjectPrivate fromLocalRef(jobject lref);
+
 private:
     friend class QAndroidJniObject;