StudioWelcome: Add option for UsageStatistic plugin

Change-Id: I865d4594ca8cd40390b561731259ddb51c83641c
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/studiowelcome/qml/splashscreen/Welcome_splash.qml

@@ -28,6 +28,7 @@ import QtQuick.Controls 2.3
 import StudioFonts 1.0
 import QtQuick.Layouts 1.0
 import projectmodel 1.0
+import usagestatistics 1.0
 
 Image {
     id: welcome_splash
@@ -249,5 +250,21 @@ Image {
         ProjectModel {
             id: projectModel
         }
+
+        UsageStatisticModel {
+            id: usageStatisticModel
+        }
+    }
+
+    NoShowCheckbox {
+        id: usageStatisticCheckBox
+        x: -47
+        y: 391
+        text: "Enable Usage Statistics"
+        padding: 0
+        scale: 0.5
+        checked: usageStatisticModel.usageStatisticEnabled
+
+        onCheckedChanged: usageStatisticModel.setPluginEnabled(usageStatisticCheckBox.checked)
     }
 }

src/plugins/studiowelcome/qml/splashscreen/welcome_screens.qmlproject

@@ -39,7 +39,7 @@ Project {
         directory: "."
     }
     /* List of plugin directories passed to QML runtime */
-    importPaths: [ "imports", "mockData", "../../../../share/3rdparty/studiofonts" ]
+    importPaths: [ "imports", "../welcomepage/mockData", "../../../../share/3rdparty/studiofonts" ]
 
     Environment {
         QT_AUTO_SCREEN_SCALE_FACTOR: "1"

src/plugins/studiowelcome/qml/welcomepage/mockData/usagestatistics/UsageStatisticModel.qml

@@ -0,0 +1,30 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+QtObject {
+    property bool usageStatisticEnabled: false
+}

src/plugins/studiowelcome/qml/welcomepage/mockData/usagestatistics/qmldir

@@ -0,0 +1 @@
+UsageStatisticModel 1.0 UsageStatisticModel.qml

src/plugins/studiowelcome/studiowelcomeplugin.cpp

@@ -26,6 +26,7 @@
 #include "studiowelcomeplugin.h"
 
 #include <coreplugin/coreconstants.h>
+#include <coreplugin/dialogs/restartdialog.h>
 #include <coreplugin/editormanager/editormanager.h>
 #include <coreplugin/helpmanager.h>
 #include <coreplugin/icore.h>
@@ -64,6 +65,70 @@ const char DO_NOT_SHOW_SPLASHSCREEN_AGAIN_KEY[] = "StudioSplashScreen";
 
 QPointer<QQuickWidget> s_view = nullptr;
 
+static bool isUsageStatistic(const ExtensionSystem::PluginSpec *spec)
+{
+    if (!spec)
+        return false;
+
+    return spec->name().contains("UsageStatistic");
+}
+
+ExtensionSystem::PluginSpec *getUsageStatisticPlugin()
+{
+    const auto plugins = ExtensionSystem::PluginManager::plugins();
+    return Utils::findOrDefault(plugins, &isUsageStatistic);
+}
+
+class UsageStatisticPluginModel : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(bool usageStatisticEnabled MEMBER m_usageStatisticEnabled NOTIFY usageStatisticChanged)
+public:
+    explicit UsageStatisticPluginModel(QObject *parent = nullptr)
+        : QObject(parent)
+    {
+        setupModel();
+    }
+
+    void setupModel()
+    {
+        auto plugin = getUsageStatisticPlugin();
+        if (plugin)
+            m_usageStatisticEnabled = plugin->isEnabledBySettings();
+        else
+            m_usageStatisticEnabled = false;
+
+        emit usageStatisticChanged();
+    }
+
+    Q_INVOKABLE void setPluginEnabled(bool b)
+    {
+        auto plugin = getUsageStatisticPlugin();
+
+        if (!plugin)
+            return;
+
+        if (plugin->isEnabledBySettings() == b)
+            return;
+
+        plugin->setEnabledBySettings(b);
+        ExtensionSystem::PluginManager::writeSettings();
+
+        const QString restartText = tr("The change will take effect after restart.");
+        Core::RestartDialog restartDialog(Core::ICore::dialogParent(), restartText);
+        restartDialog.exec();
+
+        setupModel();
+    }
+
+signals:
+    void usageStatisticChanged();
+
+private:
+    bool m_usageStatisticEnabled = false;
+};
+
 class ProjectModel : public QAbstractListModel
 {
     Q_OBJECT
@@ -210,6 +275,7 @@ bool StudioWelcomePlugin::initialize(const QStringList &arguments, QString *erro
     Q_UNUSED(errorString)
 
     qmlRegisterType<ProjectModel>("projectmodel", 1, 0, "ProjectModel");
+    qmlRegisterType<UsageStatisticPluginModel>("usagestatistics", 1, 0, "UsageStatisticModel");
 
     m_welcomeMode = new WelcomeMode;