Add the activity management protocol server implementation

src/wayland/autotests/client/CMakeLists.txt

@@ -353,6 +353,17 @@ target_link_libraries( testPlasmaVirtualDesktop Qt::Test Qt::Gui KF5::WaylandCli
 add_test(NAME kwayland-testPlasmaVirtualDesktop COMMAND testPlasmaVirtualDesktop)
 ecm_mark_as_test(testPlasmaVirtualDesktop)
 
+########################################################
+# Test Activities
+########################################################
+set( testPlasmaActivities_SRCS
+        test_plasma_activities.cpp
+    )
+add_executable(testPlasmaActivities ${testPlasmaActivities_SRCS})
+target_link_libraries( testPlasmaActivities Qt::Test Qt::Gui KF5::WaylandClient Plasma::KWaylandServer)
+add_test(NAME kwayland-testPlasmaActivities COMMAND testPlasmaActivities)
+ecm_mark_as_test(testPlasmaActivities)
+
 ########################################################
 # Test XDG Output
 ########################################################

src/wayland/autotests/client/test_plasma_activities.cpp

@@ -0,0 +1,199 @@
+/*
+    SPDX-FileCopyrightText: 2021 Kevin Ottens <kevin.ottens@enioka.com>
+
+    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+// Qt
+#include <QtTest>
+// KWin
+#include "KWayland/Client/compositor.h"
+#include "KWayland/Client/connection_thread.h"
+#include "KWayland/Client/event_queue.h"
+#include "KWayland/Client/region.h"
+#include "KWayland/Client/registry.h"
+#include "KWayland/Client/surface.h"
+#include "../../src/server/display.h"
+#include "../../src/server/compositor_interface.h"
+#include "../../src/server/plasmawindowmanagement_interface.h"
+#include "KWayland/Client/plasmawindowmanagement.h"
+
+using namespace KWayland::Client;
+
+class TestActivities : public QObject
+{
+    Q_OBJECT
+public:
+    explicit TestActivities(QObject *parent = nullptr);
+private Q_SLOTS:
+    void init();
+    void cleanup();
+
+    void testEnterLeaveActivity();
+
+private:
+    KWaylandServer::Display *m_display;
+    KWaylandServer::CompositorInterface *m_compositorInterface;
+    KWaylandServer::PlasmaWindowManagementInterface *m_windowManagementInterface;
+    KWaylandServer::PlasmaWindowInterface *m_windowInterface;
+
+    KWayland::Client::ConnectionThread *m_connection;
+    KWayland::Client::Compositor *m_compositor;
+    KWayland::Client::EventQueue *m_queue;
+    KWayland::Client::PlasmaWindowManagement *m_windowManagement;
+    KWayland::Client::PlasmaWindow *m_window;
+
+    QThread *m_thread;
+};
+
+static const QString s_socketName = QStringLiteral("kwayland-test-wayland-activities-0");
+
+TestActivities::TestActivities(QObject *parent)
+    : QObject(parent)
+    , m_display(nullptr)
+    , m_compositorInterface(nullptr)
+    , m_connection(nullptr)
+    , m_compositor(nullptr)
+    , m_queue(nullptr)
+    , m_thread(nullptr)
+{
+}
+
+void TestActivities::init()
+{
+    using namespace KWaylandServer;
+    delete m_display;
+    m_display = new Display(this);
+    m_display->addSocketName(s_socketName);
+    m_display->start();
+    QVERIFY(m_display->isRunning());
+
+    // setup connection
+    m_connection = new KWayland::Client::ConnectionThread;
+    QSignalSpy connectedSpy(m_connection, &ConnectionThread::connected);
+    QVERIFY(connectedSpy.isValid());
+    m_connection->setSocketName(s_socketName);
+
+    m_thread = new QThread(this);
+    m_connection->moveToThread(m_thread);
+    m_thread->start();
+
+    m_connection->initConnection();
+    QVERIFY(connectedSpy.wait());
+
+    m_queue = new KWayland::Client::EventQueue(this);
+    QVERIFY(!m_queue->isValid());
+    m_queue->setup(m_connection);
+    QVERIFY(m_queue->isValid());
+
+    Registry registry;
+    QSignalSpy compositorSpy(&registry, &Registry::compositorAnnounced);
+    QVERIFY(compositorSpy.isValid());
+
+    QSignalSpy windowManagementSpy(&registry, &Registry::plasmaWindowManagementAnnounced);
+    QVERIFY(windowManagementSpy.isValid());
+
+    QVERIFY(!registry.eventQueue());
+    registry.setEventQueue(m_queue);
+    QCOMPARE(registry.eventQueue(), m_queue);
+    registry.create(m_connection->display());
+    QVERIFY(registry.isValid());
+    registry.setup();
+
+    m_compositorInterface = new CompositorInterface(m_display, m_display);
+    QVERIFY(compositorSpy.wait());
+    m_compositor = registry.createCompositor(compositorSpy.first().first().value<quint32>(), compositorSpy.first().last().value<quint32>(), this);
+
+    m_windowManagementInterface = new PlasmaWindowManagementInterface(m_display, m_display);
+
+    QVERIFY(windowManagementSpy.wait());
+    m_windowManagement = registry.createPlasmaWindowManagement(windowManagementSpy.first().first().value<quint32>(), windowManagementSpy.first().last().value<quint32>(), this);
+
+    QSignalSpy windowSpy(m_windowManagement, &PlasmaWindowManagement::windowCreated);
+    QVERIFY(windowSpy.isValid());
+    m_windowInterface = m_windowManagementInterface->createWindow(this, QUuid::createUuid());
+    m_windowInterface->setPid(1337);
+
+    QVERIFY(windowSpy.wait());
+    m_window = windowSpy.first().first().value<PlasmaWindow *>();
+}
+
+void TestActivities::cleanup()
+{
+#define CLEANUP(variable) \
+    if (variable) { \
+        delete variable; \
+        variable = nullptr; \
+    }
+    CLEANUP(m_compositor)
+    CLEANUP(m_windowInterface)
+    CLEANUP(m_windowManagement)
+    CLEANUP(m_queue)
+    if (m_connection) {
+        m_connection->deleteLater();
+        m_connection = nullptr;
+    }
+    if (m_thread) {
+        m_thread->quit();
+        m_thread->wait();
+        delete m_thread;
+        m_thread = nullptr;
+    }
+    CLEANUP(m_compositorInterface)
+    CLEANUP(m_windowManagementInterface)
+    CLEANUP(m_display)
+#undef CLEANUP
+}
+
+void TestActivities::testEnterLeaveActivity()
+{
+    QSignalSpy enterRequestedSpy(m_windowInterface, &KWaylandServer::PlasmaWindowInterface::enterPlasmaActivityRequested);
+    m_window->requestEnterActivity(QStringLiteral("0-1"));
+    enterRequestedSpy.wait();
+
+    QCOMPARE(enterRequestedSpy.takeFirst().at(0).toString(), QStringLiteral("0-1"));
+
+    QSignalSpy activityEnteredSpy(m_window, &KWayland::Client::PlasmaWindow::plasmaActivityEntered);
+
+    //agree to the request
+    m_windowInterface->addPlasmaActivity(QStringLiteral("0-1"));
+    QCOMPARE(m_windowInterface->plasmaActivities().length(), 1);
+    QCOMPARE(m_windowInterface->plasmaActivities().first(), QStringLiteral("0-1"));
+
+    //check if the client received the enter
+    activityEnteredSpy.wait();
+    QCOMPARE(activityEnteredSpy.takeFirst().at(0).toString(), QStringLiteral("0-1"));
+    QCOMPARE(m_window->plasmaActivities().length(), 1);
+    QCOMPARE(m_window->plasmaActivities().first(), QStringLiteral("0-1"));
+
+    //add another activity, server side
+    m_windowInterface->addPlasmaActivity(QStringLiteral("0-3"));
+    activityEnteredSpy.wait();
+    QCOMPARE(activityEnteredSpy.takeFirst().at(0).toString(), QStringLiteral("0-3"));
+    QCOMPARE(m_windowInterface->plasmaActivities().length(), 2);
+    QCOMPARE(m_window->plasmaActivities().length(), 2);
+    QCOMPARE(m_window->plasmaActivities()[1], QStringLiteral("0-3"));
+
+
+    //remove an activity
+    QSignalSpy leaveRequestedSpy(m_windowInterface, &KWaylandServer::PlasmaWindowInterface::leavePlasmaActivityRequested);
+    m_window->requestLeaveActivity(QStringLiteral("0-1"));
+    leaveRequestedSpy.wait();
+
+    QCOMPARE(leaveRequestedSpy.takeFirst().at(0).toString(), QStringLiteral("0-1"));
+
+    QSignalSpy activityLeftSpy(m_window, &KWayland::Client::PlasmaWindow::plasmaActivityLeft);
+
+    //agree to the request
+    m_windowInterface->removePlasmaActivity(QStringLiteral("0-1"));
+    QCOMPARE(m_windowInterface->plasmaActivities().length(), 1);
+    QCOMPARE(m_windowInterface->plasmaActivities().first(), QStringLiteral("0-3"));
+
+    //check if the client received the leave
+    activityLeftSpy.wait();
+    QCOMPARE(activityLeftSpy.takeFirst().at(0).toString(), QStringLiteral("0-1"));
+    QCOMPARE(m_window->plasmaActivities().length(), 1);
+    QCOMPARE(m_window->plasmaActivities().first(), QStringLiteral("0-3"));
+}
+
+QTEST_GUILESS_MAIN(TestActivities)
+#include "test_plasma_activities.moc"

src/wayland/plasmawindowmanagement_interface.cpp

@@ -23,7 +23,7 @@
 namespace KWaylandServer
 {
 
-static const quint32 s_version = 13;
+static const quint32 s_version = 14;
 
 class PlasmaWindowManagementInterfacePrivate : public QtWaylandServer::org_kde_plasma_window_management
 {
@@ -78,6 +78,7 @@ public:
     PlasmaWindowInterface *parentWindow = nullptr;
     QMetaObject::Connection parentWindowDestroyConnection;
     QStringList plasmaVirtualDesktops;
+    QStringList plasmaActivities;
     QRect geometry;
     PlasmaWindowInterface *q;
     QString m_title;
@@ -105,6 +106,8 @@ protected:
     void org_kde_plasma_window_request_enter_virtual_desktop(Resource *resource, const QString &id) override;
     void org_kde_plasma_window_request_enter_new_virtual_desktop(Resource *resource) override;
     void org_kde_plasma_window_request_leave_virtual_desktop(Resource *resource, const QString &id) override;
+    void org_kde_plasma_window_request_enter_activity(Resource *resource, const QString &id) override;
+    void org_kde_plasma_window_request_leave_activity(Resource *resource, const QString &id) override;
 };
 
 PlasmaWindowManagementInterfacePrivate::PlasmaWindowManagementInterfacePrivate(PlasmaWindowManagementInterface *_q, Display *display)
@@ -343,6 +346,11 @@ void PlasmaWindowInterfacePrivate::org_kde_plasma_window_bind_resource(Resource
     for (const auto &desk : plasmaVirtualDesktops) {
         send_virtual_desktop_entered(resource->handle, desk);
     }
+    for (const auto &activity : plasmaActivities) {
+        if (resource->version() >= ORG_KDE_PLASMA_WINDOW_ACTIVITY_ENTERED_SINCE_VERSION) {
+            send_activity_entered(resource->handle, activity);
+        }
+    }
     if (!m_appId.isEmpty()) {
         send_app_id_changed(resource->handle, m_appId);
     }
@@ -461,6 +469,18 @@ void PlasmaWindowInterfacePrivate::org_kde_plasma_window_request_leave_virtual_d
     emit q->leavePlasmaVirtualDesktopRequested(id);
 }
 
+void PlasmaWindowInterfacePrivate::org_kde_plasma_window_request_enter_activity(Resource *resource, const QString &id)
+{
+    Q_UNUSED(resource)
+    emit q->enterPlasmaActivityRequested(id);
+}
+
+void PlasmaWindowInterfacePrivate::org_kde_plasma_window_request_leave_activity(Resource *resource, const QString &id)
+{
+    Q_UNUSED(resource)
+    emit q->leavePlasmaActivityRequested(id);
+}
+
 void PlasmaWindowInterfacePrivate::setTitle(const QString &title)
 {
     if (m_title == title) {
@@ -915,6 +935,41 @@ QStringList PlasmaWindowInterface::plasmaVirtualDesktops() const
     return d->plasmaVirtualDesktops;
 }
 
+void PlasmaWindowInterface::addPlasmaActivity(const QString &id)
+{
+    if (d->plasmaActivities.contains(id)) {
+        return;
+    }
+
+    d->plasmaActivities << id;
+
+    const auto clientResources = d->resourceMap();
+    for (auto resource : clientResources) {
+        if (resource->version() >= ORG_KDE_PLASMA_WINDOW_ACTIVITY_ENTERED_SINCE_VERSION) {
+            d->send_activity_entered(resource->handle, id);
+        }
+    }
+}
+
+void PlasmaWindowInterface::removePlasmaActivity(const QString &id)
+{
+    if (!d->plasmaActivities.removeOne(id)) {
+        return;
+    }
+
+    const auto clientResources = d->resourceMap();
+    for (auto resource : clientResources) {
+        if (resource->version() >= ORG_KDE_PLASMA_WINDOW_ACTIVITY_LEFT_SINCE_VERSION) {
+            d->send_activity_left(resource->handle, id);
+        }
+    }
+}
+
+QStringList PlasmaWindowInterface::plasmaActivities() const
+{
+    return d->plasmaActivities;
+}
+
 void PlasmaWindowInterface::setShadeable(bool set)
 {
     d->setState(ORG_KDE_PLASMA_WINDOW_MANAGEMENT_STATE_SHADEABLE, set);

src/wayland/plasmawindowmanagement_interface.h

@@ -174,6 +174,24 @@ public:
      */
     QStringList plasmaVirtualDesktops() const;
 
+    /**
+     * Adds an activity to this window: a window can be on
+     * an arbitrary subset of activities.
+     * If it's on none it will be considered on all activities.
+     */
+    void addPlasmaActivity(const QString &id);
+
+    /**
+     * Removes an activity from a window
+     */
+    void removePlasmaActivity(const QString &id);
+
+    /**
+     * The ids of all the activities currently associated with this window.
+     * When an activity is deleted it will be automatically removed from this list
+     */
+    QStringList plasmaActivities() const;
+
     /**
      * Set the application menu D-BUS service name and object path for the window.
      */
@@ -242,6 +260,18 @@ Q_SIGNALS:
      */
     void leavePlasmaVirtualDesktopRequested(const QString &desktop);
 
+    /**
+     * Emitted when the client wishes this window to enter an activity.
+     * The server will decide whether to consent this request
+     */
+    void enterPlasmaActivityRequested(const QString &activity);
+
+    /**
+     * Emitted when the client wishes to remove this window from an activity.
+     * The server will decide whether to consent this request
+     */
+    void leavePlasmaActivityRequested(const QString &activity);
+
 private:
     friend class PlasmaWindowManagementInterface;
     friend class PlasmaWindowInterfacePrivate;