feat(app): use `Colors` instead of `Constants.colors` in qml styles

tests/resources.qrc

@@ -30,6 +30,7 @@
     <file>ui/modules/Linphone/Chat/Message.qml</file>
     <file>ui/modules/Linphone/Chat/OutgoingMessage.qml</file>
     <file>ui/modules/Linphone/Collapse.qml</file>
+    <file>ui/modules/Linphone/Colors.qml</file>
     <file>ui/modules/Linphone/Constants.qml</file>
     <file>ui/modules/Linphone/Contact/Avatar.qml</file>
     <file>ui/modules/Linphone/Contact/ContactDescription.qml</file>

tests/ui/modules/Linphone/Colors.qml

+pragma Singleton
+import QtQuick 2.7
+
+QtObject {
+    property string a: 'transparent'
+    property string b: '#5E5E5F' // Pressed toolbar.
+    property string c: '#C5C5C5' // Released toolbar.
+
+    property string d: '#5A585B' // Text color.
+
+    property string e: '#DEDEDE' // Timeline separator
+
+    property string f: '#808080' // Popup shadow.
+
+    property string g: '#8E8E8E' // MenuEntry Normal.
+    property string h: '#707070' // MenuEntry Hovered.
+    property string i: '#FE5E00' // MenuEntry Pressed.
+    property string j: '#434343' // MenuEntry Selected.
+
+    property string k: '#FFFFFF' // Text color.
+    property string l: '#000000' // Text color.
+}

tests/ui/modules/Linphone/Constants.qml

@@ -4,24 +4,4 @@ import QtQuick 2.7
 QtObject {
     property int zPopup: 999
     property int zMax: 999999
-
-    property QtObject colors: QtObject {
-        property string a: 'transparent'
-        property string b: '#5E5E5F' // Pressed toolbar.
-        property string c: '#C5C5C5' // Released toolbar.
-
-        property string d: '#5A585B' // Text color.
-
-        property string e: '#DEDEDE' // Timeline separator
-
-        property string f: '#808080' // Popup shadow.
-
-        property string g: '#8E8E8E' // MenuEntry Normal.
-        property string h: '#707070' // MenuEntry Hovered.
-        property string i: '#FE5E00' // MenuEntry Pressed.
-        property string j: '#434343' // MenuEntry Selected.
-
-        property string k: '#FFFFFF' // Text color.
-        property string l: '#000000' // Text color.
-    }
 }

tests/ui/modules/Linphone/Styles/DialogStyle.qml

@@ -22,6 +22,6 @@ QtObject {
         property int fontSize: 12
         property int verticalMargin: 25
 
-        property string color: Constants.colors.l
+        property string color: Colors.l
     }
 }

tests/ui/modules/Linphone/Styles/ForceScrollBarStyle.qml

@@ -5,7 +5,7 @@ import Linphone 1.0
 
 QtObject {
     property Rectangle background: Rectangle {
-        color: Constants.colors.a
+        color: Colors.a
     }
 
     property Rectangle contentItem: Rectangle {
@@ -15,8 +15,8 @@ QtObject {
     }
 
     property QtObject color: QtObject {
-        property string hovered: Constants.colors.h
-        property string normal: Constants.colors.c
-        property string pressed: Constants.colors.b
+        property string hovered: Colors.h
+        property string normal: Colors.c
+        property string pressed: Colors.b
     }
 }

tests/ui/modules/Linphone/Styles/MenuStyle.qml

@@ -15,13 +15,13 @@ QtObject {
         property int spacing: 18
 
         property string selectionIcon: 'right_arrow'
-        property string textColor: Constants.colors.k
+        property string textColor: Colors.k
 
         property QtObject color: QtObject {
-            property string normal: Constants.colors.g
-            property string hovered: Constants.colors.h
-            property string pressed: Constants.colors.i
-            property string selected: Constants.colors.j
+            property string normal: Colors.g
+            property string hovered: Colors.h
+            property string pressed: Colors.i
+            property string selected: Colors.j
         }
     }
 }

tests/ui/modules/Linphone/Styles/PopupStyle.qml

@@ -11,6 +11,6 @@ QtObject {
         property int samples: 15
         property int verticalOffset: 2
 
-        property string color: Constants.colors.f
+        property string color: Colors.f
     }
 }

tests/ui/modules/Linphone/Styles/SearchBoxStyle.qml

@@ -4,7 +4,7 @@ import QtQuick 2.7
 import Linphone 1.0
 
 QtObject {
-    property string shadowColor: Constants.colors.f
+    property string shadowColor: Colors.f
 
     property Rectangle searchFieldBackground: Rectangle {
         implicitHeight: 30

tests/ui/modules/Linphone/Styles/TimelineStyle.qml

@@ -12,13 +12,13 @@ QtObject {
         property int spacing: 16
         property int topMargin: 10
 
-        property string color: Constants.colors.d
+        property string color: Colors.d
         property string icon: 'history'
     }
 
     property QtObject separator: QtObject {
         property int height: 1
 
-        property string color: Constants.colors.e
+        property string color: Colors.e
     }
 }

tests/ui/modules/Linphone/qmldir

@@ -2,6 +2,7 @@ module Linphone
 
 # Constants ----------------------------------------------------------
 
+singleton Colors     1.0 Colors.qml
 singleton Constants  1.0 Constants.qml
 
 # Components ---------------------------------------------------------