6 files changed, 21 insertions, 23 deletions
diff --git a/src/plugins/platforms/cocoa/cocoa.pro b/src/plugins/platforms/cocoa/cocoa.pro
index 1136739397..b0e7e73dc7 100644
--- a/src/plugins/platforms/cocoa/cocoa.pro
+++ b/src/plugins/platforms/cocoa/cocoa.pro
@@ -4,7 +4,7 @@ DESTDIR = $$QT.gui.plugins/platforms
 
 OBJECTIVE_SOURCES = main.mm \
     qcocoaintegration.mm \
-    qcocoawindowsurface.mm \
+    qcocoabackingstore.mm \
     qcocoawindow.mm \
     qnsview.mm \
     qcocoaautoreleasepool.mm \
@@ -14,7 +14,7 @@ OBJECTIVE_SOURCES = main.mm \
 
 
 OBJECTIVE_HEADERS = qcocoaintegration.h \
-    qcocoawindowsurface.h \
+    qcocoabackingstore.h \
     qcocoawindow.h \
     qnsview.h \
     qcocoaautoreleasepool.h \
diff --git a/src/plugins/platforms/cocoa/qcocoawindowsurface.h b/src/plugins/platforms/cocoa/qcocoabackingstore.h
index 01c6ccde3e..938e27347c 100644
--- a/src/plugins/platforms/cocoa/qcocoawindowsurface.h
+++ b/src/plugins/platforms/cocoa/qcocoabackingstore.h
@@ -39,27 +39,27 @@
 **
 ****************************************************************************/
 
-#ifndef QWINDOWSURFACE_COCOA_H
-#define QWINDOWSURFACE_COCOA_H
+#ifndef QBACKINGSTORE_COCOA_H
+#define QBACKINGSTORE_COCOA_H
 
 #include <Cocoa/Cocoa.h>
 
 #include "qcocoawindow.h"
 #include "qnsview.h"
 
-#include <QtGui/private/qwindowsurface_p.h>
+#include <QPlatformBackingStore>
 
 QT_BEGIN_NAMESPACE
 
-class QCocoaWindowSurface : public QWindowSurface
+class QCocoaBackingStore : public QPlatformBackingStore
 {
 public:
-    QCocoaWindowSurface(QWindow *window, WId wid);
-    ~QCocoaWindowSurface();
+    QCocoaBackingStore(QWindow *window);
+    ~QCocoaBackingStore();
 
     QPaintDevice *paintDevice();
     void flush(QWindow *widget, const QRegion &region, const QPoint &offset);
-    void resize (const QSize &size);
+    void resize (const QSize &size, const QRegion &);
 
 private:
     QCocoaWindow *m_cocoaWindow;
diff --git a/src/plugins/platforms/cocoa/qcocoawindowsurface.mm b/src/plugins/platforms/cocoa/qcocoabackingstore.mm
index 9a4b42b31e..1cd1fa3776 100644
--- a/src/plugins/platforms/cocoa/qcocoawindowsurface.mm
+++ b/src/plugins/platforms/cocoa/qcocoabackingstore.mm
@@ -39,7 +39,7 @@
 **
 ****************************************************************************/
 
-#include "qcocoawindowsurface.h"
+#include "qcocoabackingstore.h"
 
 #include <QtCore/qdebug.h>
 #include <QtGui/QPainter>
@@ -55,10 +55,9 @@ QRect flipedRect(const QRect &sourceRect,int height)
     return flippedRect;
 }
 
-QCocoaWindowSurface::QCocoaWindowSurface(QWindow *window, WId wId)
-    : QWindowSurface(window)
+QCocoaBackingStore::QCocoaBackingStore(QWindow *window)
+    : QPlatformBackingStore(window)
 {
-    Q_UNUSED(wId);
     m_cocoaWindow = static_cast<QCocoaWindow *>(window->handle());
 
     const QRect geo = window->geometry();
@@ -67,17 +66,17 @@ QCocoaWindowSurface::QCocoaWindowSurface(QWindow *window, WId wId)
     m_image = new QImage(window->geometry().size(),QImage::Format_ARGB32);
 }
 
-QCocoaWindowSurface::~QCocoaWindowSurface()
+QCocoaBackingStore::~QCocoaBackingStore()
 {
     delete m_image;
 }
 
-QPaintDevice *QCocoaWindowSurface::paintDevice()
+QPaintDevice *QCocoaBackingStore::paintDevice()
 {
     return m_image;
 }
 
-void QCocoaWindowSurface::flush(QWindow *widget, const QRegion &region, const QPoint &offset)
+void QCocoaBackingStore::flush(QWindow *widget, const QRegion &region, const QPoint &offset)
 {
     Q_UNUSED(widget);
     Q_UNUSED(offset);
@@ -88,9 +87,8 @@ void QCocoaWindowSurface::flush(QWindow *widget, const QRegion &region, const QP
     [m_cocoaWindow->m_windowSurfaceView displayRect:rect];
 }
 
-void QCocoaWindowSurface::resize(const QSize &size)
+void QCocoaBackingStore::resize(const QSize &size, const QRegion &)
 {
-    QWindowSurface::resize(size);
     delete m_image;
     m_image = new QImage(size,QImage::Format_ARGB32_Premultiplied);
     NSSize newSize = NSMakeSize(size.width(),size.height());
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.h b/src/plugins/platforms/cocoa/qcocoaintegration.h
index 59008b4e3f..0100fee1bf 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.h
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.h
@@ -79,7 +79,7 @@ public:
     QPixmapData *createPixmapData(QPixmapData::PixelType type) const;
     QPlatformWindow *createPlatformWindow(QWindow *window) const;
     QPlatformGLContext *createPlatformGLContext(const QGuiGLFormat &glFormat, QPlatformGLContext *share) const;
-    QWindowSurface *createWindowSurface(QWindow *widget, WId winId) const;
+    QPlatformBackingStore *createPlatformBackingStore(QWindow *widget) const;
 
     QList<QPlatformScreen *> screens() const { return mScreens; }
 
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.mm b/src/plugins/platforms/cocoa/qcocoaintegration.mm
index c6ace531a9..89aa0033b8 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.mm
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.mm
@@ -42,7 +42,7 @@
 #include "qcocoaintegration.h"
 
 #include "qcocoawindow.h"
-#include "qcocoawindowsurface.h"
+#include "qcocoabackingstore.h"
 #include "qcocoanativeinterface.h"
 
 #include <QtPlatformSupport/5.0.0/QtPlatformSupport/private/qbasicunixfontdatabase_p.h>
@@ -117,9 +117,9 @@ QPlatformGLContext *QCocoaIntegration::createPlatformGLContext(const QGuiGLForma
     return new QCocoaGLContext(glFormat, share);
 }
 
-QWindowSurface *QCocoaIntegration::createWindowSurface(QWindow *window, WId winId) const
+QPlatformBackingStore *QCocoaIntegration::createPlatformBackingStore(QWindow *window) const
 {
-    return new QCocoaWindowSurface(window, winId);
+    return new QCocoaBackingStore(window, winId);
 }
 
 QPlatformFontDatabase *QCocoaIntegration::fontDatabase() const
diff --git a/src/plugins/platforms/cocoa/qcocoawindow.h b/src/plugins/platforms/cocoa/qcocoawindow.h
index 9d7d37c2ee..82fd35ee18 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.h
+++ b/src/plugins/platforms/cocoa/qcocoawindow.h
@@ -76,7 +76,7 @@ public:
     QCocoaGLContext *currentContext() const;
 
 private:
-    friend class QCocoaWindowSurface;
+    friend class QCocoaBackingStore;
     NSWindow *m_nsWindow;
     QNSView *m_contentView;
     NSView *m_windowSurfaceView;