Implement page lifecycle API

[ChangeLog][QtWebEngine][WebEngineView] WebEngineView now supports lifecycle
states that can be used for reducing CPU and memory consumption of invisible
views.
[ChangeLog][QtWebEngineWidgets][QWebEnginePage] QWebEnginePage now supports
lifecycle states that can be used for reducing CPU and memory consumption of
invisible pages.

Fixes: QTBUG-74166
Fixes: QTBUG-55079
Change-Id: I7d70c85dc995bd17c9fe91385a8e2750dbc0a627
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Peter Varga <pvarga@inf.u-szeged.hu>
 
 
 

1 files changed, 3 insertions, 3 deletions

diff --git a/src/webenginewidgets/api/qwebenginepage_p.h b/src/webenginewidgets/api/qwebenginepage_p.h
index 5feefeb0e..059da8e4c 100644
--- a/src/webenginewidgets/api/qwebenginepage_p.h
+++ b/src/webenginewidgets/api/qwebenginepage_p.h
@@ -92,6 +92,9 @@ public:
     QtWebEngineCore::RenderWidgetHostViewQtDelegate* CreateRenderWidgetHostViewQtDelegate(QtWebEngineCore::RenderWidgetHostViewQtDelegateClient *client) override;
     QtWebEngineCore::RenderWidgetHostViewQtDelegate* CreateRenderWidgetHostViewQtDelegateForPopup(QtWebEngineCore::RenderWidgetHostViewQtDelegateClient *client) override { return CreateRenderWidgetHostViewQtDelegate(client); }
     void initializationFinished() override;
+    void lifecycleStateChanged(LifecycleState state) override;
+    void recommendedStateChanged(LifecycleState state) override;
+    void visibleChanged(bool visible) override;
     void titleChanged(const QString&) override;
     void urlChanged(const QUrl&) override;
     void iconChanged(const QUrl&) override;
@@ -166,9 +169,6 @@ public:
     void updateAction(QWebEnginePage::WebAction) const;
     void _q_webActionTriggered(bool checked);
 
-    void wasShown();
-    void wasHidden();
-
     QtWebEngineCore::WebContentsAdapter *webContents() { return adapter.data(); }
     void recreateFromSerializedHistory(QDataStream &input);