client: Disentangle platform services and windowmanagerintegration

The current state was a bit messy with the platform services being
the potentially no initialised qt window manager extension wayland
object.

Change-Id: Id1f911b75d34fcf70594ca7257b79bf431f0643f
Reviewed-by: David Edmundson <davidedmundson@kde.org>

src/plugins/platforms/wayland/CMakeLists.txt

@@ -42,6 +42,7 @@ qt_internal_add_module(WaylandClient
         qwaylandinputmethodcontext.cpp qwaylandinputmethodcontext_p.h
         qwaylandintegration.cpp qwaylandintegration_p.h
         qwaylandnativeinterface.cpp qwaylandnativeinterface_p.h
+        qwaylandplatformservices.cpp qwaylandplatformservices_p.h
         qwaylandpointergestures.cpp qwaylandpointergestures_p.h
         qwaylandqtkey.cpp qwaylandqtkey_p.h
         qwaylandscreen.cpp qwaylandscreen_p.h

src/plugins/platforms/wayland/qwaylanddisplay.cpp

@@ -312,7 +312,7 @@ QWaylandClientBufferIntegration * QWaylandDisplay::clientBufferIntegration() con
 
 QWaylandWindowManagerIntegration *QWaylandDisplay::windowManagerIntegration() const
 {
-    return mWindowManagerIntegration.data();
+    return mGlobals.windowManagerIntegration.get();
 }
 
 QWaylandDisplay::QWaylandDisplay(QWaylandIntegration *waylandIntegration)
@@ -335,8 +335,6 @@ void QWaylandDisplay::setupConnection()
     struct ::wl_registry *registry = wl_display_get_registry(mDisplay);
     init(registry);
 
-    mWindowManagerIntegration.reset(new QWaylandWindowManagerIntegration(this));
-
 #if QT_CONFIG(xkbcommon)
     mXkbContext.reset(xkb_context_new(XKB_CONTEXT_NO_FLAGS));
     if (!mXkbContext)
@@ -373,7 +371,6 @@ QWaylandDisplay::~QWaylandDisplay(void)
 
     // Reset the globals manually since they need to be destroyed before the wl_display
     mGlobals = {};
-    mWindowManagerIntegration.reset();
 
     if (object())
         wl_registry_destroy(object());
@@ -781,6 +778,9 @@ void QWaylandDisplay::registry_global(uint32_t id, const QString &interface, uin
         mGlobals.xdgToplevelDragManager.reset(
                 new WithDestructor<QtWayland::xdg_toplevel_drag_manager_v1,
                                    xdg_toplevel_drag_manager_v1_destroy>(registry, id, 1));
+    } else if (interface == QLatin1String(QtWayland::qt_windowmanager::interface()->name)) {
+        mGlobals.windowManagerIntegration.reset(
+                new QWaylandWindowManagerIntegration(this, id, version));
     }
 
     mRegistryGlobals.append(RegistryGlobal(id, interface, version, registry));

src/plugins/platforms/wayland/qwaylanddisplay_p.h

@@ -316,8 +316,6 @@ private:
     QScopedPointer<QWaylandCursor> mCursor;
 #endif
 
-    QScopedPointer<QWaylandWindowManagerIntegration> mWindowManagerIntegration;
-
     struct GlobalHolder
     {
         std::unique_ptr<QtWayland::wl_compositor> compositor;
@@ -346,6 +344,7 @@ private:
         std::unique_ptr<QtWayland::wp_fractional_scale_manager_v1> fractionalScaleManager;
         std::unique_ptr<QtWayland::wp_cursor_shape_manager_v1> cursorShapeManager;
         std::unique_ptr<QtWayland::xdg_toplevel_drag_manager_v1> xdgToplevelDragManager;
+        std::unique_ptr<QWaylandWindowManagerIntegration> windowManagerIntegration;
     } mGlobals;
     int mFd = -1;
     int mWritableNotificationFd = -1;

src/plugins/platforms/wayland/qwaylandintegration.cpp

@@ -15,6 +15,7 @@
 #endif
 #include "qwaylanddnd_p.h"
 #include "qwaylandwindowmanagerintegration_p.h"
+#include "qwaylandplatformservices_p.h"
 #include "qwaylandscreen_p.h"
 #include "qwaylandcursor_p.h"
 
@@ -83,6 +84,7 @@ QWaylandIntegration::QWaylandIntegration()
 #endif
 {
     mDisplay.reset(new QWaylandDisplay(this));
+    mPlatformServices.reset(new QWaylandPlatformServices(mDisplay.data()));
 
     QWaylandWindow::fixedToplevelPositions =
             !qEnvironmentVariableIsSet("QT_WAYLAND_DISABLE_FIXED_POSITIONS");
@@ -246,7 +248,7 @@ QPlatformAccessibility *QWaylandIntegration::accessibility() const
 
 QPlatformServices *QWaylandIntegration::services() const
 {
-    return mDisplay->windowManagerIntegration();
+    return mPlatformServices.data();
 }
 
 QWaylandDisplay *QWaylandIntegration::display() const
@@ -525,8 +527,7 @@ void QWaylandIntegration::reset()
 
 void QWaylandIntegration::setApplicationBadge(qint64 number)
 {
-    auto unixServices = mDisplay->windowManagerIntegration();
-    unixServices->setApplicationBadge(number);
+    mPlatformServices->setApplicationBadge(number);
 }
 }
 

src/plugins/platforms/wayland/qwaylandintegration_p.h

@@ -34,6 +34,7 @@ class QWaylandInputDeviceIntegration;
 class QWaylandInputDevice;
 class QWaylandScreen;
 class QWaylandCursor;
+class QWaylandPlatformServices;
 
 class Q_WAYLANDCLIENT_EXPORT QWaylandIntegration : public QPlatformIntegration
 {
@@ -136,6 +137,7 @@ private:
 #if QT_CONFIG(accessibility)
     mutable QScopedPointer<QPlatformAccessibility> mAccessibility;
 #endif
+    QScopedPointer<QWaylandPlatformServices> mPlatformServices;
     QMutex mClientBufferInitLock;
     bool mClientBufferIntegrationInitialized = false;
     bool mServerBufferIntegrationInitialized = false;

src/plugins/platforms/wayland/qwaylandplatformservices.cpp

@@ -0,0 +1,50 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "qwaylandplatformservices_p.h"
+#include "qwaylandwindow_p.h"
+#include "qwaylanddisplay_p.h"
+#include "qwaylandshellsurface_p.h"
+#include "qwaylandwindowmanagerintegration_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QtWaylandClient {
+
+QWaylandPlatformServices::QWaylandPlatformServices(QWaylandDisplay *display)
+    : m_display(display) { }
+
+bool QWaylandPlatformServices::openUrl(const QUrl &url)
+{
+    if (auto windowManagerIntegration = m_display->windowManagerIntegration()) {
+        windowManagerIntegration->openUrl(url);
+        return true;
+    }
+    return QGenericUnixServices::openUrl(url);
+}
+
+bool QWaylandPlatformServices::openDocument(const QUrl &url)
+{
+    if (auto windowManagerIntegration = m_display->windowManagerIntegration()) {
+        windowManagerIntegration->openUrl(url);
+        return true;
+    }
+    return QGenericUnixServices::openDocument(url);
+}
+
+QString QWaylandPlatformServices::portalWindowIdentifier(QWindow *window)
+{
+    if (window && window->handle()) {
+        auto shellSurface = static_cast<QWaylandWindow *>(window->handle())->shellSurface();
+        if (shellSurface) {
+            const QString handle = shellSurface->externWindowHandle();
+            return QLatin1String("wayland:") + handle;
+        }
+    }
+    return QString();
+}
+} // namespace QtWaylandClient
+
+QT_END_NAMESPACE
+
+#include "moc_qwaylandplatformservices_p.cpp"

src/plugins/platforms/wayland/qwaylandplatformservices_p.h

@@ -0,0 +1,48 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QWAYLANDPLATFORMSERVICES_H
+#define QWAYLANDPLATFORMSERVICES_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QObject>
+
+#include <QtGui/private/qgenericunixservices_p.h>
+
+#include <QtWaylandClient/private/qwayland-qt-windowmanager.h>
+#include <QtWaylandClient/qtwaylandclientglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QtWaylandClient {
+
+class QWaylandDisplay;
+
+class Q_WAYLANDCLIENT_EXPORT QWaylandPlatformServices : public QGenericUnixServices
+{
+public:
+    explicit QWaylandPlatformServices(QWaylandDisplay *waylandDisplay);
+
+    bool openUrl(const QUrl &url) override;
+    bool openDocument(const QUrl &url) override;
+    QString portalWindowIdentifier(QWindow *window) override;
+
+private:
+    QWaylandDisplay *m_display;
+};
+
+QT_END_NAMESPACE
+
+} // namespace QtWaylandClient
+
+#endif // QWAYLANDPLATFORMSERVICES_H

src/plugins/platforms/wayland/qwaylandwindow.cpp

@@ -12,7 +12,7 @@
 #include "qwaylandshellsurface_p.h"
 #include "qwaylandsubsurface_p.h"
 #include "qwaylandabstractdecoration_p.h"
-#include "qwaylandwindowmanagerintegration_p.h"
+#include "qwaylandplatformservices_p.h"
 #include "qwaylandnativeinterface_p.h"
 #include "qwaylanddecorationfactory_p.h"
 #include "qwaylandshmbackingstore_p.h"

src/plugins/platforms/wayland/qwaylandwindowmanagerintegration.cpp

@@ -22,49 +22,26 @@ QT_BEGIN_NAMESPACE
 
 namespace QtWaylandClient {
 
-class QWaylandWindowManagerIntegrationPrivate {
-public:
-    QWaylandWindowManagerIntegrationPrivate(QWaylandDisplay *waylandDisplay);
-    bool m_blockPropertyUpdates = false;
-    QWaylandDisplay *m_waylandDisplay = nullptr;
-    QHash<QWindow*, QVariantMap> m_queuedProperties;
-    bool m_showIsFullScreen = false;
-};
-
-QWaylandWindowManagerIntegrationPrivate::QWaylandWindowManagerIntegrationPrivate(QWaylandDisplay *waylandDisplay)
-    : m_waylandDisplay(waylandDisplay)
+QWaylandWindowManagerIntegration::QWaylandWindowManagerIntegration(QWaylandDisplay *waylandDisplay,
+                                                                   uint id, uint version)
+    : QtWayland::qt_windowmanager(waylandDisplay->object(), id, version),
+      m_waylandDisplay(waylandDisplay)
 {
 }
 
-QWaylandWindowManagerIntegration::QWaylandWindowManagerIntegration(QWaylandDisplay *waylandDisplay)
-    : d_ptr(new QWaylandWindowManagerIntegrationPrivate(waylandDisplay))
-{
-    waylandDisplay->addRegistryListener(&wlHandleListenerGlobal, this);
-}
-
 QWaylandWindowManagerIntegration::~QWaylandWindowManagerIntegration()
 {
-    if (object())
-        qt_windowmanager_destroy(object());
+    qt_windowmanager_destroy(object());
 }
 
 bool QWaylandWindowManagerIntegration::showIsFullScreen() const
 {
-    Q_D(const QWaylandWindowManagerIntegration);
-    return d->m_showIsFullScreen;
-}
-
-void QWaylandWindowManagerIntegration::wlHandleListenerGlobal(void *data, wl_registry *registry, uint32_t id, const QString &interface, uint32_t version)
-{
-    Q_UNUSED(version);
-    if (interface == QStringLiteral("qt_windowmanager"))
-        static_cast<QWaylandWindowManagerIntegration *>(data)->init(registry, id, 1);
+    return m_showIsFullScreen;
 }
 
 void QWaylandWindowManagerIntegration::windowmanager_hints(int32_t showIsFullScreen)
 {
-    Q_D(QWaylandWindowManagerIntegration);
-    d->m_showIsFullScreen = showIsFullScreen;
+    m_showIsFullScreen = showIsFullScreen;
 }
 
 void QWaylandWindowManagerIntegration::windowmanager_quit()
@@ -72,11 +49,9 @@ void QWaylandWindowManagerIntegration::windowmanager_quit()
     QGuiApplication::quit();
 }
 
-void QWaylandWindowManagerIntegration::openUrl_helper(const QUrl &url)
+void QWaylandWindowManagerIntegration::openUrl(const QUrl &url)
 {
-    Q_ASSERT(isInitialized());
     QString data = url.toString();
-
     static const int chunkSize = 128;
     while (!data.isEmpty()) {
         QString chunk = data.left(chunkSize);
@@ -88,36 +63,6 @@ void QWaylandWindowManagerIntegration::openUrl_helper(const QUrl &url)
         open_url(!data.isEmpty(), chunk);
     }
 }
-
-bool QWaylandWindowManagerIntegration::openUrl(const QUrl &url)
-{
-    if (isInitialized()) {
-        openUrl_helper(url);
-        return true;
-    }
-    return QGenericUnixServices::openUrl(url);
-}
-
-bool QWaylandWindowManagerIntegration::openDocument(const QUrl &url)
-{
-    if (isInitialized()) {
-        openUrl_helper(url);
-        return true;
-    }
-    return QGenericUnixServices::openDocument(url);
-}
-
-QString QWaylandWindowManagerIntegration::portalWindowIdentifier(QWindow *window)
-{
-    if (window && window->handle()) {
-        auto shellSurface = static_cast<QWaylandWindow *>(window->handle())->shellSurface();
-        if (shellSurface) {
-            const QString handle = shellSurface->externWindowHandle();
-            return QLatin1String("wayland:") + handle;
-        }
-    }
-    return QString();
-}
 }
 
 QT_END_NAMESPACE

src/plugins/platforms/wayland/qwaylandwindowmanagerintegration_p.h

@@ -16,9 +16,6 @@
 //
 
 #include <QtCore/QObject>
-#include <QtCore/QScopedPointer>
-
-#include <QtGui/private/qgenericunixservices_p.h>
 
 #include <QtWaylandClient/private/qwayland-qt-windowmanager.h>
 #include <QtWaylandClient/qtwaylandclientglobal.h>
@@ -27,35 +24,28 @@ QT_BEGIN_NAMESPACE
 
 namespace QtWaylandClient {
 
-class QWaylandWindow;
 class QWaylandDisplay;
 
 class QWaylandWindowManagerIntegrationPrivate;
 
-class Q_WAYLANDCLIENT_EXPORT QWaylandWindowManagerIntegration : public QObject, public QGenericUnixServices, public QtWayland::qt_windowmanager
+class Q_WAYLANDCLIENT_EXPORT QWaylandWindowManagerIntegration : public QtWayland::qt_windowmanager
 {
-    Q_OBJECT
-    Q_DECLARE_PRIVATE(QWaylandWindowManagerIntegration)
-public:
-    explicit QWaylandWindowManagerIntegration(QWaylandDisplay *waylandDisplay);
-    ~QWaylandWindowManagerIntegration() override;
 
-    bool openUrl(const QUrl &url) override;
-    bool openDocument(const QUrl &url) override;
-    QString portalWindowIdentifier(QWindow *window) override;
+public:
+    explicit QWaylandWindowManagerIntegration(QWaylandDisplay *waylandDisplay, uint id,
+                                              uint version);
+    ~QWaylandWindowManagerIntegration();
+
+    void openUrl(const QUrl &url);
 
     bool showIsFullScreen() const;
 
 private:
-    static void wlHandleListenerGlobal(void *data, wl_registry *registry, uint32_t id,
-                                       const QString &interface, uint32_t version);
-
-    QScopedPointer<QWaylandWindowManagerIntegrationPrivate> d_ptr;
-
     void windowmanager_hints(int32_t showIsFullScreen) override;
     void windowmanager_quit() override;
 
-    void openUrl_helper(const QUrl &url);
+    QWaylandDisplay *m_waylandDisplay = nullptr;
+    bool m_showIsFullScreen = false;
 };
 
 QT_END_NAMESPACE