Client: Move xdg-shell-v6 to a plugin

[ChangeLog][QPA plugin] The xdg-shell-v6 shell integration has been
moved to a plugin.

Change-Id: I548d19590ddbc8ad3e791301359a6de17ac9dcd8
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>

src/plugins/platforms/wayland/client.pro

@@ -28,7 +28,6 @@ WAYLANDCLIENTSOURCES += \
             ../extensions/qt-key-unstable-v1.xml \
             ../extensions/qt-windowmanager.xml \
             ../3rdparty/protocol/text-input-unstable-v2.xml \
-            ../3rdparty/protocol/xdg-shell-unstable-v6.xml \
 
 WAYLANDCLIENTSOURCES_SYSTEM += \
             ../3rdparty/protocol/wayland.xml \
@@ -42,8 +41,6 @@ SOURCES +=  qwaylandintegration.cpp \
             qwaylandscreen.cpp \
             qwaylandshmwindow.cpp \
             qwaylandshellsurface.cpp \
-            qwaylandxdgshellv6.cpp \
-            qwaylandxdgshellv6integration.cpp \
             qwaylandextendedsurface.cpp \
             qwaylandsubsurface.cpp \
             qwaylandtouch.cpp \
@@ -69,8 +66,6 @@ HEADERS +=  qwaylandintegration_p.h \
             qwaylandbuffer_p.h \
             qwaylandshmwindow_p.h \
             qwaylandshellsurface_p.h \
-            qwaylandxdgshellv6_p.h \
-            qwaylandxdgshellv6integration_p.h \
             qwaylandextendedsurface_p.h \
             qwaylandsubsurface_p.h \
             qwaylandtouch_p.h \

src/plugins/platforms/wayland/plugins/shellintegration/shellintegration.pro

@@ -3,5 +3,6 @@ TEMPLATE = subdirs
 SUBDIRS += \
     ivi-shell \
     xdg-shell-v5 \
+    xdg-shell-v6 \
     wl-shell \
 

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v6/main.cpp

@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaylandxdgshellv6integration_p.h"
+
+#include <QtWaylandClient/private/qwaylandshellintegrationplugin_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QtWaylandClient {
+
+class QWaylandXdgShellV6IntegrationPlugin : public QWaylandShellIntegrationPlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID QWaylandShellIntegrationFactoryInterface_iid FILE "xdg-shell-v6.json")
+
+public:
+    QWaylandShellIntegration *create(const QString &key, const QStringList &paramList) override;
+};
+
+QWaylandShellIntegration *QWaylandXdgShellV6IntegrationPlugin::create(const QString &key, const QStringList &paramList)
+{
+    Q_UNUSED(key);
+    Q_UNUSED(paramList);
+    return new QWaylandXdgShellV6Integration();
+}
+
+}
+
+QT_END_NAMESPACE
+
+#include "main.moc"

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v6/qwaylandxdgshellv6.cpp

@@ -40,11 +40,11 @@
 
 #include "qwaylandxdgshellv6_p.h"
 
-#include "qwaylanddisplay_p.h"
-#include "qwaylandwindow_p.h"
-#include "qwaylandinputdevice_p.h"
-#include "qwaylandscreen_p.h"
-#include "qwaylandabstractdecoration_p.h"
+#include <QtWaylandClient/private/qwaylanddisplay_p.h>
+#include <QtWaylandClient/private/qwaylandwindow_p.h>
+#include <QtWaylandClient/private/qwaylandinputdevice_p.h>
+#include <QtWaylandClient/private/qwaylandscreen_p.h>
+#include <QtWaylandClient/private/qwaylandabstractdecoration_p.h>
 
 QT_BEGIN_NAMESPACE
 

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v6/qwaylandxdgshellv6_p.h

@@ -52,15 +52,16 @@
 // We mean it.
 //
 
+#include "qwayland-xdg-shell-unstable-v6.h"
+
+#include <QtWaylandClient/qtwaylandclientglobal.h>
+#include <QtWaylandClient/private/qwaylandshellsurface_p.h>
+
 #include <QtCore/QSize>
 #include <QtGui/QRegion>
 
 #include <wayland-client.h>
 
-#include <QtWaylandClient/private/qwayland-xdg-shell-unstable-v6.h>
-#include <QtWaylandClient/qtwaylandclientglobal.h>
-#include "qwaylandshellsurface_p.h"
-
 QT_BEGIN_NAMESPACE
 
 class QWindow;

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v6/qwaylandxdgshellv6integration.cpp

@@ -41,39 +41,26 @@
 
 #include <QtWaylandClient/private/qwaylandwindow_p.h>
 #include <QtWaylandClient/private/qwaylanddisplay_p.h>
-#include <QtWaylandClient/private/qwaylandxdgshellv6_p.h>
 
 QT_BEGIN_NAMESPACE
 
 namespace QtWaylandClient {
 
-QWaylandXdgShellV6Integration::QWaylandXdgShellV6Integration(QWaylandDisplay *display)
+bool QWaylandXdgShellV6Integration::initialize(QWaylandDisplay *display)
 {
     for (QWaylandDisplay::RegistryGlobal global : display->globals()) {
         if (global.interface == QLatin1String("zxdg_shell_v6")) {
-            m_xdgShell = new QWaylandXdgShellV6(display->wl_registry(), global.id, global.version);
+            m_xdgShell.reset(new QWaylandXdgShellV6(display->wl_registry(), global.id, global.version));
             break;
         }
     }
-}
 
-QWaylandXdgShellV6Integration *QWaylandXdgShellV6Integration::create(QWaylandDisplay *display)
-{
-    if (!display->hasRegistryGlobal(QLatin1String("zxdg_shell_v6")))
-        return nullptr;
+    if (!m_xdgShell) {
+        qCDebug(lcQpaWayland) << "Couldn't find global zxdg_shell_v6 for xdg-shell unstable v6";
+        return false;
+    }
 
-    QScopedPointer<QWaylandXdgShellV6Integration> integration;
-    integration.reset(new QWaylandXdgShellV6Integration(display));
-    if (integration && !integration->initialize(display))
-        return nullptr;
-
-    return integration.take();
-}
-
-bool QWaylandXdgShellV6Integration::initialize(QWaylandDisplay *display)
-{
-    QWaylandShellIntegration::initialize(display);
-    return m_xdgShell != nullptr;
+    return QWaylandShellIntegration::initialize(display);
 }
 
 QWaylandShellSurface *QWaylandXdgShellV6Integration::createShellSurface(QWaylandWindow *window)

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v6/qwaylandxdgshellv6integration_p.h

@@ -51,7 +51,7 @@
 // We mean it.
 //
 
-#include <wayland-client.h>
+#include "qwaylandxdgshellv6_p.h"
 
 #include <QtWaylandClient/private/qwaylandshellintegration_p.h>
 
@@ -59,20 +59,16 @@ QT_BEGIN_NAMESPACE
 
 namespace QtWaylandClient {
 
-class QWaylandXdgShellV6;
-
 class Q_WAYLAND_CLIENT_EXPORT QWaylandXdgShellV6Integration : public QWaylandShellIntegration
 {
 public:
-    static QWaylandXdgShellV6Integration *create(QWaylandDisplay* display);
+    QWaylandXdgShellV6Integration() {}
     bool initialize(QWaylandDisplay *display) override;
     QWaylandShellSurface *createShellSurface(QWaylandWindow *window) override;
     void handleKeyboardFocusChanged(QWaylandWindow *newFocus, QWaylandWindow *oldFocus) override;
 
 private:
-    QWaylandXdgShellV6Integration(QWaylandDisplay *display);
-
-    QWaylandXdgShellV6 *m_xdgShell = nullptr;
+    QScopedPointer<QWaylandXdgShellV6> m_xdgShell;
 };
 
 }

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v6/xdg-shell-v6.json

@@ -0,0 +1,3 @@
+{
+    "Keys":[ "xdg-shell-v6" ]
+}

src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell-v6/xdg-shell-v6.pro

@@ -0,0 +1,23 @@
+QT += gui-private waylandclient-private
+CONFIG += wayland-scanner
+
+QMAKE_USE += wayland-client
+
+WAYLANDCLIENTSOURCES += \
+    ../../../3rdparty/protocol/xdg-shell-unstable-v6.xml
+
+HEADERS += \
+    qwaylandxdgshellv6_p.h \
+    qwaylandxdgshellv6integration_p.h \
+
+SOURCES += \
+    main.cpp \
+    qwaylandxdgshellv6.cpp \
+    qwaylandxdgshellv6integration.cpp \
+
+OTHER_FILES += \
+    xdg-shell-v6.json
+
+PLUGIN_TYPE = wayland-shell-integration
+PLUGIN_CLASS_NAME = QWaylandXdgShellV6IntegrationPlugin
+load(qt_plugin)

src/plugins/platforms/wayland/qwaylandintegration.cpp

@@ -77,7 +77,6 @@
 
 #include "qwaylandshellintegration_p.h"
 #include "qwaylandshellintegrationfactory_p.h"
-#include "qwaylandxdgshellv6integration_p.h"
 
 #include "qwaylandinputdeviceintegration_p.h"
 #include "qwaylandinputdeviceintegrationfactory_p.h"
@@ -441,9 +440,7 @@ void QWaylandIntegration::initializeInputDeviceIntegration()
 
 QWaylandShellIntegration *QWaylandIntegration::createShellIntegration(const QString &integrationName)
 {
-    if (integrationName == QLatin1Literal("xdg-shell-v6")) {
-        return QWaylandXdgShellV6Integration::create(mDisplay.data());
-    } else if (QWaylandShellIntegrationFactory::keys().contains(integrationName)) {
+    if (QWaylandShellIntegrationFactory::keys().contains(integrationName)) {
         return QWaylandShellIntegrationFactory::create(integrationName, mDisplay.data());
     } else {
         qCWarning(lcQpaWayland) << "No shell integration named" << integrationName << "found";