Make logout greeter share QMLEngine

Summary:
Gives a speed boost on multiple monitors where we have multiple views.
Also cleaned up some imports/paths used

Test Plan:
Grepped use of rootContext() referred to the right context
Used greeter to log out successfully

Reviewers: #plasma, broulik

Reviewed By: #plasma, broulik

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D12891

ksmserver/logout-greeter/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(KSMSERVER_LOGOUT_GREETER_SRCS main.cpp ../shutdowndlg.cpp ../ksmserver_debug.cpp)
+set(KSMSERVER_LOGOUT_GREETER_SRCS main.cpp shutdowndlg.cpp ../ksmserver_debug.cpp)
 add_executable(ksmserver-logout-greeter ${KSMSERVER_LOGOUT_GREETER_SRCS})
 target_link_libraries(ksmserver-logout-greeter
     PW::KWorkspace

ksmserver/logout-greeter/main.cpp

@@ -25,7 +25,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <QCommandLineParser>
 #include <QDebug>
 #include <QScreen>
-#include "../shutdowndlg.h"
+#include "shutdowndlg.h"
 
 #include <KQuickAddons/QtQuickSettings>
 

ksmserver/logout-greeter/shutdowndlg.cpp

@@ -56,7 +56,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <KDeclarative/KDeclarative>
 #include <KSharedConfig>
 #include <KConfigGroup>
-#include <KJob>
 
 #include <stdio.h>
 #include <netwm.h>
@@ -77,7 +76,7 @@ Q_DECLARE_METATYPE(Solid::PowerManagement::SleepState)
 KSMShutdownDlg::KSMShutdownDlg( QWindow* parent,
                                 bool maysd, bool choose, KWorkSpace::ShutdownType sdtype,
                                 KWayland::Client::PlasmaShell *plasmaShell)
-  : QQuickView(parent),
+  : QuickViewSharedEngine(parent),
     m_result(false),
     m_waylandPlasmaShell(plasmaShell)
     // this is a WType_Popup on purpose. Do not change that! Not
@@ -87,7 +86,7 @@ KSMShutdownDlg::KSMShutdownDlg( QWindow* parent,
     setClearBeforeRendering(true);
     setColor(QColor(Qt::transparent));
 
-    setResizeMode(QQuickView::SizeRootObjectToView);
+    setResizeMode(KQuickAddons::QuickViewSharedEngine::SizeRootObjectToView);
 
     // Qt doesn't set this on unmanaged windows
     //FIXME: or does it?
@@ -196,7 +195,7 @@ void KSMShutdownDlg::init()
         0.4,
         (backgroundColor.value() > 128 ? 1.6 : 0.3),
         1.7);
-    QQuickView::showFullScreen();
+    KQuickAddons::QuickViewSharedEngine::showFullScreen();
     requestActivate();
 
     KWindowSystem::setState(winId(), NET::SkipTaskbar|NET::SkipPager);
@@ -206,7 +205,7 @@ void KSMShutdownDlg::init()
 
 void KSMShutdownDlg::resizeEvent(QResizeEvent *e)
 {
-    QQuickView::resizeEvent( e );
+    KQuickAddons::QuickViewSharedEngine::resizeEvent( e );
 
     if( KWindowSystem::compositingActive()) {
         //TODO: reenable window mask when we are without composite?
@@ -230,7 +229,7 @@ bool KSMShutdownDlg::event(QEvent *e)
             break;
         }
     }
-    return QQuickView::event(e);
+    return KQuickAddons::QuickViewSharedEngine::event(e);
 }
 
 void KSMShutdownDlg::setupWaylandIntegration()

ksmserver/logout-greeter/shutdowndlg.h

@@ -25,22 +25,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #ifndef SHUTDOWNDLG_H
 #define SHUTDOWNDLG_H
 
-#include <QQuickView>
-#include <QPushButton>
+#include <kquickaddons/quickviewsharedengine.h>
 #include <kworkspace.h>
 
-class QMenu;
-class QTimer;
-class QTimeLine;
-class QLabel;
-class LogoutEffect;
-
-namespace Plasma
-{
-    class Svg;
-    class FrameSvg;
-}
-
 namespace KWayland
 {
 namespace Client
@@ -50,10 +37,8 @@ class PlasmaShellSurface;
 }
 }
 
-class QQuickView;
-
 // The confirmation dialog
-class KSMShutdownDlg : public QQuickView
+class KSMShutdownDlg : public KQuickAddons::QuickViewSharedEngine
 {
     Q_OBJECT