From 2327965c2435a271cca56e84af5c1e1df2b2898a Mon Sep 17 00:00:00 2001
From: Michail Vourlakos <mvourlakos@gmail.com>
Date: Mon, 29 Jan 2018 22:50:55 +0200
Subject: [PATCH] support pausing activities from main config window

---
 app/latteconfigdialog.cpp | 10 ++++++++++
 app/latteconfigdialog.h   |  1 +
 app/layoutmanager.cpp     | 31 ++++++++++++++++++++++++++++++-
 app/layoutmanager.h       |  1 +
 4 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/app/latteconfigdialog.cpp b/app/latteconfigdialog.cpp
index a5afb5147..5a805ba4e 100644
--- a/app/latteconfigdialog.cpp
+++ b/app/latteconfigdialog.cpp
@@ -841,6 +841,16 @@ void LatteConfigDialog::on_switchButton_clicked()
     updatePauseButtonState();
 }
 
+void LatteConfigDialog::on_pauseButton_clicked()
+{
+    QString id = m_model->data(m_model->index(ui->layoutsView->currentIndex().row(), IDCOLUMN), Qt::DisplayRole).toString();
+    Layout *layout = m_layouts[id];
+
+    if (layout) {
+        m_corona->layoutManager()->pauseLayout(layout->name());
+    }
+}
+
 void LatteConfigDialog::layoutsChanged()
 {
     for (int i = 0; i < m_model->rowCount(); ++i) {
diff --git a/app/latteconfigdialog.h b/app/latteconfigdialog.h
index 4ac0f34b8..e2230645b 100644
--- a/app/latteconfigdialog.h
+++ b/app/latteconfigdialog.h
@@ -62,6 +62,7 @@ private slots:
     void on_newButton_clicked();
     void on_copyButton_clicked();
     void on_downloadButton_clicked();
+    void on_pauseButton_clicked();
     void on_removeButton_clicked();
     void on_switchButton_clicked();
     void on_importButton_clicked();
diff --git a/app/layoutmanager.cpp b/app/layoutmanager.cpp
index c5fa60f0a..9cf369a34 100644
--- a/app/layoutmanager.cpp
+++ b/app/layoutmanager.cpp
@@ -718,8 +718,16 @@ bool LayoutManager::switchToLayout(QString layoutName, int previousMemoryUsage)
                     //! is such case we just activate these Activities
                     Layout layout(this, Importer::layoutFilePath(layoutName));
 
+                    int i = 0;
+
                     foreach (auto assignedActivity, layout.activities()) {
-                        m_activitiesController->startActivity(assignedActivity);
+                        //! Starting the activities must be done asynchronous because otherwise
+                        //! the activity manager cant close multiple activities
+                        QTimer::singleShot(i * 1000, [this, assignedActivity]() {
+                            m_activitiesController->startActivity(assignedActivity);
+                        });
+
+                        i = i + 1;
                     }
 
                     m_activitiesController->setCurrentActivity(layout.activities()[0]);
@@ -838,6 +846,27 @@ void LayoutManager::syncMultipleLayoutsToActivities(QString layoutForOrphans)
     emit activeLayoutsChanged();
 }
 
+void LayoutManager::pauseLayout(QString layoutName)
+{
+    if (memoryUsage() == Dock::MultipleLayouts) {
+        Layout *layout = activeLayout(layoutName);
+
+        if (layout && !layout->activities().isEmpty()) {
+            int i = 0;
+
+            foreach (auto activityId, layout->activities()) {
+                //! Stopping the activities must be done asynchronous because otherwise
+                //! the activity manager cant close multiple activities
+                QTimer::singleShot(i * 1000, [this, activityId]() {
+                    m_activitiesController->stopActivity(activityId);
+                });
+
+                i = i + 1;
+            }
+        }
+    }
+}
+
 void LayoutManager::syncActiveLayoutsToOriginalFiles()
 {
     if (memoryUsage() == Dock::MultipleLayouts) {
diff --git a/app/layoutmanager.h b/app/layoutmanager.h
index 3abfa0639..1e65d347a 100644
--- a/app/layoutmanager.h
+++ b/app/layoutmanager.h
@@ -68,6 +68,7 @@ public:
     void loadLayoutOnStartup(QString layoutName);
     void unload();
     void addDock(Plasma::Containment *containment, bool forceLoading = false, int expDockScreen = -1);
+    void pauseLayout(QString layoutName);
     void recreateDock(Plasma::Containment *containment);
     void syncDockViewsToScreens();
     void syncActiveLayoutsToOriginalFiles();