chore: implement dock item menus for DockGlobalElementModel

This patch is to continue prepare for linuxdeepin#1201,
by add previously missing changed signal for Docked and Menu role
when docked state is changed, and implementing actions for menu
entries.

Log:

Author: BLumia

panels/dock/taskmanager/desktopfileabstractparser.cpp

@@ -148,9 +148,9 @@ void DesktopfileAbstractParser::setDocked(bool docked)
     auto desktopElement = QStringLiteral("desktop/%1").arg(id());
 
     if (docked) {
-        TaskManagerSettings::instance()->appendDockedElements(desktopElement);
+        TaskManagerSettings::instance()->appendDockedElement(desktopElement);
     } else {
-        TaskManagerSettings::instance()->removeDockedElements(desktopElement);
+        TaskManagerSettings::instance()->removeDockedElement(desktopElement);
     }
 
     Q_EMIT dockedChanged();

panels/dock/taskmanager/dockglobalelementmodel.cpp

@@ -234,6 +234,11 @@ void DockGlobalElementModel::loadDockedElements()
     }
 
     m_dockedElements = newDocked;
+
+    if (!m_data.isEmpty()) {
+        // MenusRole should also be handled here due to it contains the copywriting of docked or undocked
+        Q_EMIT dataChanged(index(0, 0), index(m_data.size() - 1, 0), {TaskManager::DockedRole, TaskManager::MenusRole});
+    }
 }
 
 QString DockGlobalElementModel::getMenus(const QModelIndex &index) const
@@ -325,8 +330,13 @@ void DockGlobalElementModel::requestOpenUrls(const QModelIndex &index, const QLi
 void DockGlobalElementModel::requestNewInstance(const QModelIndex &index, const QString &action) const
 {
     if (action == DOCK_ACTION_DOCK) {
+        auto data = m_data.value(index.row());
+        auto id = std::get<0>(data);
+        TaskManagerSettings::instance()->toggleDockedElement(QStringLiteral("desktop/%1").arg(id));
     } else if (action == DOCK_ACTION_FORCEQUIT) {
+        requestClose(index, true);
     } else if (action == DOCK_ACTION_CLOSEALL) {
+        requestClose(index);
     } else {
         auto data = m_data.value(index.row());
         auto id = std::get<0>(data);

panels/dock/taskmanager/taskmanagersettings.cpp

@@ -148,14 +148,23 @@ void TaskManagerSettings::setDockedElements(const QStringList &elements)
     saveDockedElements();
 }
 
-void TaskManagerSettings::appendDockedElements(const QString &element)
+void TaskManagerSettings::toggleDockedElement(const QString &element)
+{
+    if (isDocked(element)) {
+        removeDockedElement(element);
+    } else {
+        appendDockedElement(element);
+    }
+}
+
+void TaskManagerSettings::appendDockedElement(const QString &element)
 {
     m_dockedElements.append(element);
     Q_EMIT dockedElementsChanged();
     saveDockedElements();
 }
 
-void TaskManagerSettings::removeDockedElements(const QString &element)
+void TaskManagerSettings::removeDockedElement(const QString &element)
 {
     m_dockedElements.removeAll(element);
     Q_EMIT dockedElementsChanged();

panels/dock/taskmanager/taskmanagersettings.h

@@ -32,8 +32,9 @@ class TaskManagerSettings : public QObject
     bool cgroupsBasedGrouping() const;
 
     void setDockedElements(const QStringList &elements);
-    void appendDockedElements(const QString &element);
-    void removeDockedElements(const QString &element);
+    void toggleDockedElement(const QString &element);
+    void appendDockedElement(const QString &element);
+    void removeDockedElement(const QString &element);
     QStringList dockedElements() const;
     bool isDocked(const QString &elementId) const;