Block launching app when an app is launching

Bug-AGL: SPEC-1214

Change-Id: I747d20ca7a6219535668fc3951a4ff9f55bcaaaf
Signed-off-by: Tasuku Suzuki <tasuku.suzuki@qt.io>

8 files changed, 112 insertions, 22 deletions

diff --git a/homescreen/qml/Home.qml b/homescreen/qml/Home.qml
index 287b250..5d54093 100644
--- a/homescreen/qml/Home.qml
+++ b/homescreen/qml/Home.qml
@@ -72,11 +72,8 @@ Item {
                 if (currentId === '') {
                     pid = launcher.launch(applicationModel.id(loc.index))
                     if (1 < pid) {
-//                        layoutHandler.makeMeVisible(pid)
-
                         applicationArea.visible = true
                         appLauncherAreaLauncher.visible = false
-  //                      layoutHandler.showAppLayer(applicationModel.id(loc.index),  pid)
                     }
                     else {
                         console.warn("app cannot be launched!")
diff --git a/homescreen/qml/ShortcutArea.qml b/homescreen/qml/ShortcutArea.qml
index 63f8e7b..1698a88 100644
--- a/homescreen/qml/ShortcutArea.qml
+++ b/homescreen/qml/ShortcutArea.qml
@@ -56,21 +56,18 @@ Item {
                 Layout.fillWidth: true
                 Layout.fillHeight: true
                 name: model.name
-                active: model.application === launcher.current
+                active: model.name === launcher.current
                 onClicked: {
                     if (0 === model.index) {
                         appLauncherAreaLauncher.visible = true
                         applicationArea.visible = false
-//                        layoutHandler.hideAppLayer()
-                        launcher.current = ''
+                        launcher.current = 'Home'
                     }
                     else {
                         pid = launcher.launch(model.application)
                         if (1 < pid) {
                             applicationArea.visible = true
                             appLauncherAreaLauncher.visible = false
-//                            layoutHandler.makeMeVisible(pid)
-//                            layoutHandler.showAppLayer(model.application, pid)
                         }
                         else {
                             console.warn(model.application)
diff --git a/homescreen/qml/ShortcutIcon.qml b/homescreen/qml/ShortcutIcon.qml
index 2fb653f..1100a7c 100644
--- a/homescreen/qml/ShortcutIcon.qml
+++ b/homescreen/qml/ShortcutIcon.qml
@@ -17,6 +17,7 @@
 
 import QtQuick 2.2
 import QtQuick.Controls 2.0
+import QtGraphicalEffects 1.0
 
 MouseArea {
     id: root
@@ -24,15 +25,27 @@ MouseArea {
     height: 216.8
     property string name: 'Home'
     property bool active: false
-    Image {
+    Item {
         id: icon
+        property real desaturation: 0
         anchors.fill: parent
-        source: './images/Shortcut/%1.svg'.arg(root.name.toLowerCase())
-    }
-    Image {
-        anchors.fill: parent
-        source: './images/Shortcut/%1_active.svg'.arg(root.name.toLowerCase())
-        opacity: 1.0 - icon.opacity
+        Image {
+            id: inactiveIcon
+            anchors.fill: parent
+                     source: './images/Shortcut/%1.svg'.arg(root.name.toLowerCase())
+        }
+        Image {
+            id: activeIcon
+            anchors.fill: parent
+            source: './images/Shortcut/%1_active.svg'.arg(root.name.toLowerCase())
+            opacity: 0.0
+        }
+        layer.enabled: true
+        layer.effect: Desaturate {
+            id: desaturate
+            desaturation: icon.desaturation
+            cached: true
+        }
     }
     Label {
         id: name
@@ -48,11 +61,26 @@ MouseArea {
     }
     states: [
         State {
-            when: root.active
+            when: launcher.launching
+            PropertyChanges {
+                target: root
+                enabled: false
+            }
             PropertyChanges {
                 target: icon
+                desaturation: 1.0
+            }
+        },
+        State {
+            when: root.active
+            PropertyChanges {
+                target: inactiveIcon
                 opacity: 0.0
             }
+            PropertyChanges {
+                target: activeIcon
+                opacity: 1.0
+            }
         }
     ]
 
@@ -60,8 +88,13 @@ MouseArea {
         Transition {
             NumberAnimation {
                 properties: 'opacity'
+                duration: 500
                 easing.type: Easing.OutExpo
             }
+            NumberAnimation {
+                properties: 'desaturation'
+                duration: 250
+            }
         }
     ]
 }
diff --git a/homescreen/qml/TopArea.qml b/homescreen/qml/TopArea.qml
index 922742d..9cff3ed 100644
--- a/homescreen/qml/TopArea.qml
+++ b/homescreen/qml/TopArea.qml
@@ -17,6 +17,7 @@
 
 import QtQuick 2.2
 import QtQuick.Layouts 1.1
+import QtQuick.Controls 2.0
 
 Image {
     width: 1920
@@ -40,4 +41,19 @@ Image {
             Layout.preferredWidth: 295
         }
     }
+
+    Timer {
+        id: launching
+        interval: 500
+        running: launcher.launching
+    }
+
+    ProgressBar {
+        id: progressBar
+        anchors.verticalCenter: parent.bottom
+        anchors.left: parent.left
+        anchors.right: parent.right
+        indeterminate: visible
+        visible: launcher.launching && !launching.running
+    }
 }
diff --git a/homescreen/qml/main.qml b/homescreen/qml/main.qml
index 899cb6d..8417de0 100644
--- a/homescreen/qml/main.qml
+++ b/homescreen/qml/main.qml
@@ -27,10 +27,6 @@ Window {
     height: container.height * container.scale
     title: 'HomeScreen'
 
-    ApplicationLauncher {
-        id: launcher
-    }
-
     Image {
         id: container
         anchors.centerIn: parent
diff --git a/homescreen/src/applicationlauncher.cpp b/homescreen/src/applicationlauncher.cpp
index 7e1cda1..5a1e2d6 100644
--- a/homescreen/src/applicationlauncher.cpp
+++ b/homescreen/src/applicationlauncher.cpp
@@ -26,7 +26,23 @@ extern org::AGL::afm::user *afm_user_daemon_proxy;
 
 ApplicationLauncher::ApplicationLauncher(QObject *parent)
     : QObject(parent)
+    , m_launching(false)
+    , m_timeout(new QTimer(this))
 {
+    m_timeout->setInterval(3000);
+    m_timeout->setSingleShot(true);
+    connect(m_timeout, &QTimer::timeout, [&]() {
+        setLaunching(false);
+    });
+    connect(this, &ApplicationLauncher::launchingChanged, [&](bool launching) {
+        if (launching)
+            m_timeout->start();
+        else
+            m_timeout->stop();
+    });
+    connect(this, &ApplicationLauncher::currentChanged, [&]() {
+        setLaunching(false);
+    });
 }
 
 int ApplicationLauncher::launch(const QString &application)
@@ -38,12 +54,24 @@ int ApplicationLauncher::launch(const QString &application)
     HMI_DEBUG("HomeScreen","ApplicationLauncher pid: %d.", result);
 
     if (result > 1) {
-        setCurrent(application);
+        setLaunching(true);
     }
 
     return result;
 }
 
+bool ApplicationLauncher::isLaunching() const
+{
+    return m_launching;
+}
+
+void ApplicationLauncher::setLaunching(bool launching)
+{
+    if (m_launching == launching) return;
+    m_launching = launching;
+    launchingChanged(launching);
+}
+
 QString ApplicationLauncher::current() const
 {
     return m_current;
diff --git a/homescreen/src/applicationlauncher.h b/homescreen/src/applicationlauncher.h
index 697dad0..dfa5846 100644
--- a/homescreen/src/applicationlauncher.h
+++ b/homescreen/src/applicationlauncher.h
@@ -21,17 +21,22 @@
 
 #include <QtCore/QObject>
 
+class QTimer;
+
 class ApplicationLauncher : public QObject
 {
     Q_OBJECT
+    Q_PROPERTY(bool launching READ isLaunching NOTIFY launchingChanged)
     Q_PROPERTY(QString current READ current WRITE setCurrent NOTIFY currentChanged)
 public:
     explicit ApplicationLauncher(QObject *parent = NULL);
 
+    bool isLaunching() const;
     QString current() const;
 
 signals:
     void newAppRequestsToBeVisible(int pid);
+    void launchingChanged(bool launching);
     void currentChanged(const QString &current);
 
 public slots:
@@ -39,7 +44,12 @@ public slots:
     void setCurrent(const QString &current);
 
 private:
+    void setLaunching(bool launching);
+
+private:
+    bool m_launching;
     QString m_current;
+    QTimer *m_timeout;
 };
 
 #endif // APPLICATIONLAUNCHER_H
diff --git a/homescreen/src/main.cpp b/homescreen/src/main.cpp
index e0850d6..522f957 100644
--- a/homescreen/src/main.cpp
+++ b/homescreen/src/main.cpp
@@ -87,7 +87,7 @@ int main(int argc, char *argv[])
     HMI_DEBUG("HomeScreen","port = %d, token = %s", port, token.toStdString().c_str());
 
     // import C++ class to QML
-    qmlRegisterType<ApplicationLauncher>("HomeScreen", 1, 0, "ApplicationLauncher");
+    // qmlRegisterType<ApplicationLauncher>("HomeScreen", 1, 0, "ApplicationLauncher");
     qmlRegisterType<ApplicationModel>("Home", 1, 0, "ApplicationModel");
     qmlRegisterType<StatusBarModel>("HomeScreen", 1, 0, "StatusBarModel");
     qmlRegisterType<MasterVolume>("MasterVolume", 1, 0, "MasterVolume");
@@ -96,6 +96,7 @@ int main(int argc, char *argv[])
     qDBusRegisterMetaType<AppInfo>();
     qDBusRegisterMetaType<QList<AppInfo> >();
 
+    ApplicationLauncher *launcher = new ApplicationLauncher();
     QLibWindowmanager* layoutHandler = new QLibWindowmanager();
     if(layoutHandler->init(port,token) != 0){
         exit(EXIT_FAILURE);
@@ -109,6 +110,17 @@ int main(int argc, char *argv[])
         layoutHandler->endDraw(QString("HomeScreen"));
     });
 
+    layoutHandler->set_event_handler(QLibWindowmanager::Event_Visible, [layoutHandler, launcher](json_object *object) {
+        QString label = QString(json_object_get_string(	json_object_object_get(object, "drawing_name") ));
+        qDebug() << label;
+        QMetaObject::invokeMethod(launcher, "setCurrent", Qt::QueuedConnection, Q_ARG(QString, label == "HomeScreen" ? "Home" : label));
+    });
+
+    layoutHandler->set_event_handler(QLibWindowmanager::Event_Invisible, [layoutHandler, launcher](json_object *object) {
+        const char* label = json_object_get_string(	json_object_object_get(object, "drawing_name") );
+        HMI_DEBUG("HomeScreen", "surface %s Event_Invisible", label);
+    });
+
     HomescreenHandler* homescreenHandler = new HomescreenHandler();
     homescreenHandler->init(port, token.toStdString().c_str());
 
@@ -116,6 +128,7 @@ int main(int argc, char *argv[])
     QQmlApplicationEngine engine;
     engine.rootContext()->setContextProperty("layoutHandler", layoutHandler);
     engine.rootContext()->setContextProperty("homescreenHandler", homescreenHandler);
+    engine.rootContext()->setContextProperty("launcher", launcher);
     engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
 
     QObject *root = engine.rootObjects().first();