Android: Improve the foreign-window implementation

Adds:
- Improved geometry calculations (e.g, inside a parent)
- Change visibility
- proper stacking order. Native views now reserve the top of the stack
  to ensure that they stay visible.
- React to application state changes.

Change-Id: I35de0396937fff37ffcd272c9a7d8e9873a91dfb
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>

1 files changed, 9 insertions, 2 deletions

diff --git a/src/plugins/platforms/android/qandroidplatformforeignwindow.h b/src/plugins/platforms/android/qandroidplatformforeignwindow.h
index cb04142696..974ffbc376 100644
--- a/src/plugins/platforms/android/qandroidplatformforeignwindow.h
+++ b/src/plugins/platforms/android/qandroidplatformforeignwindow.h
@@ -38,16 +38,23 @@
 #include "qandroidplatformwindow.h"
 #include <QtCore/private/qjni_p.h>
 
+QT_BEGIN_NAMESPACE
+
 class QAndroidPlatformForeignWindow : public QAndroidPlatformWindow
 {
 public:
     explicit QAndroidPlatformForeignWindow(QWindow *window);
     ~QAndroidPlatformForeignWindow();
-    void setGeometry(const QRect &rect);
+    void setGeometry(const QRect &rect) Q_DECL_OVERRIDE;
+    void setVisible(bool visible) Q_DECL_OVERRIDE;
+    void applicationStateChanged(Qt::ApplicationState state) Q_DECL_OVERRIDE;
+    void setParent(const QPlatformWindow *window) Q_DECL_OVERRIDE;
 
 private:
+    int m_surfaceId;
     QJNIObjectPrivate m_view;
-    int m_surfaceId = -1;
 };
 
+QT_END_NAMESPACE
+
 #endif // QANDROIDPLATFORMFOREIGNWINDOW_H