feat(src/app/App): add a splash screen

linphone-desktop/assets/images/splash_screen.svg

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221.122593,581.902149 C219.313487,580.442937 218.408947,577.995561 218.408947,574.559948 C218.408947,567.688721 222.525525,564.253159 230.758805,564.253159 C233.454005,564.253159 236.684503,564.53022 240.450398,565.084351 L242.333336,565.361415 L241.945673,568.96325 C236.813718,568.335235 233.177099,568.021232 231.035708,568.021232 L231.035708,568.021232 Z M251.661,603.208388 L251.661,564.8627 L255.925301,564.8627 L255.925301,603.208388 L251.661,603.208388 Z M280.482611,590.297195 L270.735637,590.297195 L270.735637,603.208388 L266.471336,603.208388 L266.471336,564.8627 L280.482611,564.8627 C284.654631,564.8627 287.73745,565.878592 289.731159,567.910406 C291.724868,569.942221 292.721708,573.045309 292.721708,577.219764 C292.721708,585.938095 288.64205,590.297195 280.482611,590.297195 L280.482611,590.297195 Z M270.735637,586.529122 L280.42723,586.529122 C285.706867,586.529122 288.346646,583.426034 288.346646,577.219764 C288.346646,574.264398 287.719006,572.094083 286.463708,570.708755 C285.20841,569.323427 283.19627,568.630773 280.42723,568.630773 L270.735637,568.630773 L270.735637,586.529122 Z M323.505372,574.947837 C324.723749,574.947837 326.791269,575.169487 329.707991,575.612792 L331.037124,575.77903 L330.870982,579.159214 C327.917339,578.826735 325.73906,578.660498 324.33608,578.660498 C321.197834,578.660498 319.065705,579.408564 317.939628,580.904718 C316.813552,582.400872 316.250522,585.171487 316.250522,589.216645 C316.250522,593.261803 316.776632,596.078594 317.828867,597.667104 C318.881103,599.255613 321.068612,600.049856 324.39146,600.049856 L330.926363,599.55114 L331.092504,602.986737 C327.658894,603.503926 325.092955,603.762516 323.394611,603.762516 C319.074908,603.762516 316.093619,602.654271 314.450655,600.437746 C312.807691,598.221221 311.986221,594.480891 311.986221,589.216645 C311.986221,583.952398 312.872301,580.258246 314.644487,578.134076 C316.416673,576.009906 319.370271,574.947837 323.505372,574.947837 L323.505372,574.947837 Z M338.814133,603.208388 L338.814133,563.421966 L342.967673,563.421966 L342.967673,603.208388 L338.814133,603.208388 Z M352.461478,603.208388 L352.461478,575.501966 L356.615018,575.501966 L356.615018,603.208388 L352.461478,603.208388 Z M352.461478,569.240315 L352.461478,564.419397 L356.615018,564.419397 L356.615018,569.240315 L352.461478,569.240315 Z M384.60592,599.772792 L386.211956,599.606553 L386.322717,602.875911 C382.113775,603.466984 378.514077,603.762516 375.523513,603.762516 C371.536095,603.762516 368.711716,602.608094 367.050292,600.299214 C365.388868,597.990334 364.558168,594.39777 364.558168,589.521415 C364.558168,579.805648 368.416307,574.947837 376.132699,574.947837 C379.861674,574.947837 382.649132,575.991436 384.495159,578.078663 C386.341186,580.165891 387.264186,583.444451 387.264186,587.914443 L387.042664,591.072975 L368.767088,591.072975 C368.767088,594.139168 369.320888,596.411072 370.428504,597.888755 C371.536121,599.366438 373.46519,600.105269 376.21577,600.105269 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C401.843763,579.53787 400.837694,579.879579 400.136204,580.212058 L399.083973,580.710773 L399.083973,603.208388 Z M440.200062,579.103801 L431.394558,579.103801 L431.394558,592.347471 C431.394558,595.524489 431.625307,597.611686 432.086814,598.609122 C432.548321,599.606558 433.64669,600.105269 435.381956,600.105269 L440.310823,599.772792 L440.587726,603.208388 C438.11405,603.614751 436.23113,603.817929 434.938912,603.817929 C432.059109,603.817929 430.06543,603.11604 428.957814,601.712241 C427.850198,600.308442 427.296398,597.630181 427.296398,593.677379 L427.296398,579.103801 L423.364381,579.103801 L423.364381,575.501966 L427.296398,575.501966 L427.296398,567.023801 L431.394558,567.023801 L431.394558,575.501966 L440.200062,575.501966 L440.200062,579.103801 Z" id="The-libre-SIP-client" fill="#FF5E00" sketch:type="MSShapeGroup"></path>
+            </g>
+        </g>
+    </g>
+</svg>
\ No newline at end of file

linphone-desktop/resources.qrc

@@ -148,6 +148,7 @@
     <file>assets/images/speaker_on_hovered.svg</file>
     <file>assets/images/speaker_on_normal.svg</file>
     <file>assets/images/speaker_on_pressed.svg</file>
+    <file>assets/images/splash_screen.svg</file>
     <file>assets/images/tooltip_arrow_bottom.svg</file>
     <file>assets/images/tooltip_arrow_left.svg</file>
     <file>assets/images/tooltip_arrow_right.svg</file>
@@ -343,6 +344,7 @@
     <file>ui/views/App/Settings/SettingsUi.qml</file>
     <file>ui/views/App/Settings/SettingsVideo.qml</file>
     <file>ui/views/App/Settings/SettingsWindow.qml</file>
+    <file>ui/views/App/SplashScreen/SplashScreen.qml</file>
     <file>ui/views/App/Styles/Calls/CallStyle.qml</file>
     <file>ui/views/App/Styles/Calls/CallsWindowStyle.qml</file>
     <file>ui/views/App/Styles/Main/Assistant/AssistantAbstractViewStyle.qml</file>
@@ -360,5 +362,6 @@
     <file>ui/views/App/Styles/Main/ManageAccountsStyle.qml</file>
     <file>ui/views/App/Styles/qmldir</file>
     <file>ui/views/App/Styles/Settings/SettingsWindowStyle.qml</file>
+    <file>ui/views/App/Styles/SplashScreen/SplashScreenStyle.qml</file>
   </qresource>
 </RCC>

linphone-desktop/src/app/App.cpp

@@ -55,6 +55,8 @@
 #define QML_VIEW_CALLS_WINDOW "qrc:/ui/views/App/Calls/CallsWindow.qml"
 #define QML_VIEW_SETTINGS_WINDOW "qrc:/ui/views/App/Settings/SettingsWindow.qml"
 
+#define QML_VIEW_SPLASH_SCREEN "qrc:/ui/views/App/SplashScreen/SplashScreen.qml"
+
 // =============================================================================
 
 inline bool installLocale (App &app, QTranslator &translator, const QLocale &locale) {
@@ -92,6 +94,35 @@ App::~App () {
 
 // -----------------------------------------------------------------------------
 
+inline QQuickWindow *createSubWindow (App *app, const char *path) {
+  QQmlEngine *engine = app->getEngine();
+
+  QQmlComponent component(engine, QUrl(path));
+  if (component.isError()) {
+    qWarning() << component.errors();
+    abort();
+  }
+
+  QObject *object = component.create();
+  QQmlEngine::setObjectOwnership(object, QQmlEngine::CppOwnership);
+  object->setParent(app->getMainWindow());
+
+  return qobject_cast<QQuickWindow *>(object);
+}
+
+// -----------------------------------------------------------------------------
+
+inline void activeSplashScreen (App *app) {
+  QQuickWindow *splash_screen = createSubWindow(app, QML_VIEW_SPLASH_SCREEN);
+
+  QObject::connect(
+    CoreManager::getInstance(), &CoreManager::linphoneCoreCreated, splash_screen, [splash_screen]() {
+      splash_screen->hide();
+      splash_screen->deleteLater();
+    }
+  );
+}
+
 void App::initContentApp () {
   // Init core.
   CoreManager::init(this, m_parser.value("config"));
@@ -124,6 +155,9 @@ void App::initContentApp () {
   if (m_engine.rootObjects().isEmpty())
     qFatal("Unable to open main window.");
 
+  // Load splashscreen.
+  activeSplashScreen(this);
+
   CoreManager *core = CoreManager::getInstance();
 
   if (m_parser.isSet("selftest"))
@@ -210,24 +244,6 @@ void App::tryToUsePreferredLocale () {
 
 // -----------------------------------------------------------------------------
 
-inline QQuickWindow *createSubWindow (App *app, const char *path) {
-  QQmlEngine *engine = app->getEngine();
-
-  QQmlComponent component(engine, QUrl(path));
-  if (component.isError()) {
-    qWarning() << component.errors();
-    abort();
-  }
-
-  QObject *object = component.create();
-  QQmlEngine::setObjectOwnership(object, QQmlEngine::CppOwnership);
-  object->setParent(app->getMainWindow());
-
-  return qobject_cast<QQuickWindow *>(object);
-}
-
-// -----------------------------------------------------------------------------
-
 QQuickWindow *App::getCallsWindow () {
   if (!m_calls_window)
     m_calls_window = createSubWindow(this, QML_VIEW_CALLS_WINDOW);

linphone-desktop/ui/views/App/SplashScreen/SplashScreen.qml

 import QtQuick 2.7
 import QtQuick.Window 2.2
 
+import Common 1.0
+
+import App.Styles 1.0
+
 // =============================================================================
 
 Window {
+  color: SplashScreenStyle.color
+  flags: Qt.SplashScreen
+  modality: Qt.ApplicationModal
+  visible: image.status === Image.Ready
+
+  x: (Screen.width - image.width) / 2
+  y: (Screen.height - image.height) / 2
+
+  height: image.paintedHeight
+  width: image.paintedWidth
+
+  Image {
+    id: image
+
+    anchors.centerIn: parent
+
+    height: SplashScreenStyle.height
+    width: SplashScreenStyle.width
+
+    fillMode: Image.PreserveAspectFit
+    mipmap: true
+
+    source: SplashScreenStyle.image
+
+    BusyIndicator {
+      height: SplashScreenStyle.busyIndicator.height
+      width: SplashScreenStyle.busyIndicator.width
+
+      anchors {
+        bottom: parent.bottom
+        bottomMargin: SplashScreenStyle.busyIndicator.bottomMargin
 
+        horizontalCenter: parent.horizontalCenter
+      }
+    }
+  }
 }

linphone-desktop/ui/views/App/Styles/SplashScreen/SplashScreenStyle.qml

+pragma Singleton
+import QtQuick 2.7
+
+// =============================================================================
+
+QtObject {
+  property color color: '#444444' // Not a `Common.Color`. Specific case.
+  property int height: 350
+  property int width: 620
+  property url image: 'qrc:/assets/images/splash_screen.svg'
+
+  property QtObject busyIndicator: QtObject {
+    property int bottomMargin: 25
+    property int height: 24
+    property int width: 24
+  }
+}

linphone-desktop/ui/views/App/Styles/qmldir

@@ -23,3 +23,5 @@ singleton MainWindowStyle                        1.0 Main/MainWindowStyle.qml
 singleton ManageAccountsStyle                    1.0 Main/ManageAccountsStyle.qml
 
 singleton SettingsWindowStyle                    1.0 Settings/SettingsWindowStyle.qml
+
+singleton SplashScreenStyle                      1.0 SplashScreen/SplashScreenStyle.qml