Fix wayland activation

Adds support for xdg_activation_v1 when calling the application from the
system tray by using KStatusNotifier which supports it.
Listens to XDG_ACTIVATION_TOKEN as it's passed when we are started from
dbus.

qml/main.qml

@@ -158,6 +158,7 @@ Kirigami.ApplicationWindow {
         root.show()
         root.raise()
         root.requestActivate()
+        Controller.raiseWindow(root)
     }
 
     contextDrawer: RoomDrawer {

src/CMakeLists.txt

@@ -48,7 +48,12 @@ ecm_add_app_icon(NEOCHAT_ICON ICONS ${CMAKE_SOURCE_DIR}/128-logo.png)
 target_sources(neochat PRIVATE ${NEOCHAT_ICON})
 
 if(NOT ANDROID)
-    target_sources(neochat PRIVATE trayicon.cpp colorschemer.cpp)
+    target_sources(neochat PRIVATE colorschemer.cpp)
+    if (NOT WIN32 AND NOT APPLE)
+        target_sources(neochat PRIVATE trayicon_sni.cpp)
+    else()
+        target_sources(neochat PRIVATE trayicon.cpp)
+    endif()
     target_link_libraries(neochat PRIVATE KF5::ConfigWidgets KF5::WindowSystem KF5::SonnetCore)
     target_compile_definitions(neochat PRIVATE -DHAVE_COLORSCHEME)
     target_compile_definitions(neochat PRIVATE -DHAVE_WINDOWSYSTEM)

src/controller.cpp

@@ -12,6 +12,7 @@
 #include <KWindowConfig>
 #ifdef HAVE_WINDOWSYSTEM
 #include <KWindowEffects>
+#include <KWindowSystem>
 #endif
 
 #include <QAuthenticator>
@@ -55,8 +56,10 @@
 #include "utils.h"
 #include <KStandardShortcut>
 
-#ifndef Q_OS_ANDROID
+#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
 #include "trayicon.h"
+#elif !defined(Q_OS_ANDROID)
+#include "trayicon_sni.h"
 #endif
 
 using namespace Quotient;
@@ -634,6 +637,13 @@ void Controller::setBlur(QQuickItem *item, bool blur)
 #endif
 }
 
+void Controller::raiseWindow(QWindow *window)
+{
+#ifdef HAVE_WINDOWSYSTEM
+    KWindowSystem::activateWindow(window->winId());
+#endif
+}
+
 bool Controller::hasWindowSystem() const
 {
 #ifdef HAVE_WINDOWSYSTEM

src/controller.h

@@ -91,6 +91,7 @@ public:
     Q_INVOKABLE void openOrCreateDirectChat(NeoChatUser *user);
 
     Q_INVOKABLE void setBlur(QQuickItem *item, bool blur);
+    Q_INVOKABLE void raiseWindow(QWindow *window);
 
 private:
     explicit Controller(QObject *parent = nullptr);

src/main.cpp

@@ -22,6 +22,7 @@
 #include <KAboutData>
 #ifdef HAVE_KDBUSADDONS
 #include <KDBusService>
+#include <KWindowSystem>
 #endif
 #include <KLocalizedContext>
 #include <KLocalizedString>
@@ -66,6 +67,18 @@
 
 using namespace Quotient;
 
+#ifdef HAVE_KDBUSADDONS
+static void raiseWindow(QWindow *window)
+{
+    if (KWindowSystem::isPlatformWayland()) {
+        KWindowSystem::setCurrentXdgActivationToken(qEnvironmentVariable("XDG_ACTIVATION_TOKEN"));
+        KWindowSystem::activateWindow(window->winId());
+    } else {
+        window->raise();
+    }
+}
+#endif
+
 #ifdef Q_OS_ANDROID
 Q_DECL_EXPORT
 #endif
@@ -232,7 +245,7 @@ int main(int argc, char *argv[])
             auto view = qobject_cast<QQuickWindow *>(obj);
             if (view) {
                 view->show();
-                view->raise();
+                raiseWindow(view);
                 return;
             }
         }

src/trayicon_sni.cpp

@@ -0,0 +1,25 @@
+// SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@kde.org>
+// SPDX-License-Identifier: GPL-3.0-only
+
+#include "trayicon_sni.h"
+#include <KWindowSystem>
+
+TrayIcon::TrayIcon(QObject *parent)
+    : KStatusNotifierItem(parent)
+{
+    setIconByName("org.kde.neochat");
+    connect(this, &KStatusNotifierItem::activateRequested, this, [this] {
+        KWindowSystem::setCurrentXdgActivationToken(providedToken());
+        Q_EMIT showWindow();
+    });
+}
+
+void TrayIcon::show()
+{
+    setStatus(Active);
+}
+
+void TrayIcon::hide()
+{
+    setStatus(Passive);
+}

src/trayicon_sni.h

@@ -0,0 +1,19 @@
+// SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@kde.org>
+// SPDX-License-Identifier: GPL-3.0-only
+
+#pragma once
+
+#include <KStatusNotifierItem>
+
+class TrayIcon : public KStatusNotifierItem
+{
+    Q_OBJECT
+public:
+    TrayIcon(QObject *parent = nullptr);
+
+    void show();
+    void hide();
+
+Q_SIGNALS:
+    void showWindow();
+};