From d5b65037975fbcf2ba97c74eedb342867f8b3335 Mon Sep 17 00:00:00 2001
From: Eike Hein <hein@kde.org>
Date: Wed, 24 Jun 2015 22:47:07 +0200
Subject: [PATCH] Port to PlasmaWindowModel.

---
 .../taskpanel/package/contents/ui/Task.qml    |  4 ++--
 .../package/contents/ui/TaskSwitcher.qml      | 24 +++++++------------
 containments/taskpanel/taskpanel.cpp          |  9 +++++++
 containments/taskpanel/taskpanel.h            | 10 ++++++--
 4 files changed, 28 insertions(+), 19 deletions(-)

diff --git a/containments/taskpanel/package/contents/ui/Task.qml b/containments/taskpanel/package/contents/ui/Task.qml
index 207b35b4..fc492c3f 100644
--- a/containments/taskpanel/package/contents/ui/Task.qml
+++ b/containments/taskpanel/package/contents/ui/Task.qml
@@ -46,7 +46,7 @@ Item {
             ScriptAction {
                 script: {
                     if (background.x != 0) {
-                        window.executeJob("close", model.Id);
+                        plasmoid.nativeInterface.windowModel.requestClose(model.index);
                     }
                 }
             }
@@ -83,7 +83,7 @@ Item {
                 onPressed: delegate.z = 10;
                 onClicked: {
                     window.hide();
-                    window.executeJob("activate", model.Id);
+                    plasmoid.nativeInterface.windowModel.requestActivate(model.index);
                 }
                 onReleased: {
                     delegate.z = 0;
diff --git a/containments/taskpanel/package/contents/ui/TaskSwitcher.qml b/containments/taskpanel/package/contents/ui/TaskSwitcher.qml
index abec9e74..104b7dce 100644
--- a/containments/taskpanel/package/contents/ui/TaskSwitcher.qml
+++ b/containments/taskpanel/package/contents/ui/TaskSwitcher.qml
@@ -20,7 +20,7 @@
 import QtQuick 2.0
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.2
-import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.core 2.1 as PlasmaCore
 import org.kde.plasma.components 2.0 as PlasmaComponents
 import org.kde.plasma.mobilecomponents 0.2
 
@@ -56,19 +56,6 @@ FullScreenPanel {
         scrollAnim.running = true;
     }
 
-    PlasmaCore.DataSource {
-        id: tasksSource
-        engine: "tasks"
-
-        connectedSources: "tasks"
-    }
-    function executeJob(operationName, id) {
-        var service = tasksSource.serviceForSource("tasks");
-        var operation = service.operationDescription(operationName);
-        operation.Id = id;
-        service.startOperationCall(operation);
-    }
-
     SequentialAnimation {
         id: scrollAnim
         property alias to: internalAnim.to
@@ -140,7 +127,14 @@ FullScreenPanel {
             }
         }
 
-        model: tasksSource.models.tasks
+        PlasmaCore.SortFilterModel {
+            id: filteredWindowModel
+            filterRole: "DisplayRole"
+            filterRegExp: ".+"
+            sourceModel: plasmoid.nativeInterface.windowModel
+        }
+
+        model: filteredWindowModel
         header: Item {
             width: window.width
             height: window.height
diff --git a/containments/taskpanel/taskpanel.cpp b/containments/taskpanel/taskpanel.cpp
index a49ef718..f43f0610 100644
--- a/containments/taskpanel/taskpanel.cpp
+++ b/containments/taskpanel/taskpanel.cpp
@@ -26,6 +26,7 @@
 
 #include <KWayland/Client/connection_thread.h>
 #include <KWayland/Client/plasmawindowmanagement.h>
+#include <KWayland/Client/plasmawindowmodel.h>
 #include <KWayland/Client/registry.h>
 
 static const QString s_kwinService = QStringLiteral("org.kde.KWin");
@@ -66,6 +67,9 @@ void TaskPanel::initWayland()
     connect(registry, &Registry::plasmaWindowManagementAnnounced, this,
         [this, registry] (quint32 name, quint32 version) {
             m_windowManagement = registry->createPlasmaWindowManagement(name, version, this);
+            qRegisterMetaType<QVector<int> >("QVector<int>");
+            m_windowModel = m_windowManagement->createWindowModel();
+            emit windowModelChanged();
             connect(m_windowManagement, &PlasmaWindowManagement::showingDesktopChanged, this,
                 [this] (bool showing) {
                     if (showing == m_showingDesktop) {
@@ -82,6 +86,11 @@ void TaskPanel::initWayland()
     registry->setup();
 }
 
+QAbstractItemModel *TaskPanel::windowModel() const
+{
+    return m_windowModel;
+}
+
 void TaskPanel::updateActiveWindow()
 {
     if (!m_windowManagement) {
diff --git a/containments/taskpanel/taskpanel.h b/containments/taskpanel/taskpanel.h
index 4e0ac3c7..8a701a05 100644
--- a/containments/taskpanel/taskpanel.h
+++ b/containments/taskpanel/taskpanel.h
@@ -21,21 +21,24 @@
 #ifndef TASKPANEL_H
 #define TASKPANEL_H
 
-
 #include <Plasma/Containment>
 
+class QAbstractItemModel;
+
 namespace KWayland
 {
 namespace Client
 {
 class PlasmaWindowManagement;
 class PlasmaWindow;
+class PlasmaWindowModel;
 }
 }
 
 class TaskPanel : public Plasma::Containment
 {
     Q_OBJECT
+    Q_PROPERTY(QAbstractItemModel* windowModel READ windowModel NOTIFY windowModelChanged)
     Q_PROPERTY(bool showDesktop READ isShowingDesktop WRITE requestShowingDesktop NOTIFY showingDesktopChanged)
     Q_PROPERTY(bool hasCloseableActiveWindow READ hasCloseableActiveWindow NOTIFY hasCloseableActiveWindowChanged)
 
@@ -43,6 +46,8 @@ public:
     TaskPanel( QObject *parent, const QVariantList &args );
     ~TaskPanel();
 
+    QAbstractItemModel *windowModel() const;
+
     Q_INVOKABLE void closeActiveWindow();
 
     bool isShowingDesktop() const {
@@ -53,6 +58,7 @@ public:
     bool hasCloseableActiveWindow() const;
 
 Q_SIGNALS:
+    void windowModelChanged();
     void showingDesktopChanged(bool);
     void hasCloseableActiveWindowChanged();
 
@@ -61,8 +67,8 @@ private:
     void updateActiveWindow();
     bool m_showingDesktop;
     KWayland::Client::PlasmaWindowManagement *m_windowManagement;
+    KWayland::Client::PlasmaWindowModel *m_windowModel = nullptr;
     KWayland::Client::PlasmaWindow *m_activeWindow = nullptr;
-
 };
 
 #endif