feat(@desktop/wallet): Implement loading animation

ui/StatusQ/sandbox/controls/LoadingStates.qml

@@ -0,0 +1,68 @@
+import QtQuick 2.14
+
+import StatusQ.Controls 0.1
+import StatusQ.Components 0.1
+
+Column {
+    spacing: 10
+
+    StatusCheckBox {
+        id: loadingButton
+        text: checked ? "loaded": "loading"
+        checkState: Qt.Unchecked
+    }
+
+    StatusTextWithLoadingState {
+        font.pixelSize: 15
+        text: "Text is big"
+        loading: loadingButton.checked
+        width: 100
+    }
+
+    StatusTextWithLoadingState {
+        font.pixelSize: 22
+        text: "Text is big"
+        loading: loadingButton.checked
+        width: 200
+    }
+
+    StatusListItem {
+        title: "Nokia 3310"
+        subTitle: "Incoming device"
+        asset.width: 40
+        asset.height: 40
+        asset.emoji: "😁"
+        asset.color: "hotpink"
+        asset.letterSize: 14
+        asset.isLetterIdenticon: true
+        statusListItemSubTitle.loading: loadingButton.checked
+    }
+
+    StatusListItem {
+        title: "Nokia 3310"
+        subTitle: "Incoming device"
+        asset.width: 40
+        asset.height: 40
+        asset.emoji: "😁"
+        asset.color: "hotpink"
+        asset.letterSize: 14
+        asset.isLetterIdenticon: true
+        statusListItemSubTitle.loading: loadingButton.checked
+        statusListItemIcon.loading: loadingButton.checked
+    }
+
+    StatusListItem {
+        title: "Nokia 3310"
+        subTitle: "Incoming device"
+        asset.width: 40
+        asset.height: 40
+        asset.emoji: "😁"
+        asset.color: "hotpink"
+        asset.letterSize: 14
+        asset.isLetterIdenticon: true
+        statusListItemTitle.loading: loadingButton.checked
+        statusListItemSubTitle.loading: loadingButton.checked
+        statusListItemIcon.loading: loadingButton.checked
+    }
+
+}

ui/StatusQ/sandbox/main.qml

@@ -357,6 +357,11 @@ StatusWindow {
                         selected: viewLoader.source.toString().includes(title)
                         onClicked: mainPageView.page(title);
                     }
+                    StatusNavigationListItem {
+                        title: "LoadingStates"
+                        selected: viewLoader.source.toString().includes(title)
+                        onClicked: mainPageView.control(title);
+                    }
                 }
             }
 

ui/StatusQ/src/StatusQ/Animations/SkeletonAnimation.qml

@@ -1,30 +0,0 @@
-import QtQuick 2.14
-import QtGraphicalEffects 1.14
-
-Item {
-    id: root
-
-    property Item mask
-    property color color: "#F6F8FA"
-
-    Rectangle {
-        id: gradient
-        anchors.fill: parent
-        visible: false
-
-        gradient: Gradient {
-            orientation: Gradient.Horizontal
-            SkeletonGradientStop { color: "transparent"; from: -3; }
-            SkeletonGradientStop { color: "transparent"; from: -2; }
-            SkeletonGradientStop { color: root.color; from: -1 ; }
-            SkeletonGradientStop { color: "transparent"; from: 0; }
-            SkeletonGradientStop { color: "transparent"; from: 1; }
-        }
-    }
-
-    OpacityMask {
-        anchors.fill: parent
-        source: gradient
-        maskSource: root.mask
-    }
-}

ui/StatusQ/src/StatusQ/Animations/SkeletonGradientStop.qml

@@ -1,24 +0,0 @@
-import QtQuick 2.14
-import QtGraphicalEffects 1.14
-
-/*
-    TODO:   This component should be implemented as inline component of `SkeletonAnimation.qml`
-            when we use Qt > 5.15
-*/
-
-GradientStop {
-    id: root
-
-    property real from: 0
-
-    color: "transparent"
-
-    NumberAnimation on position {
-        easing.type: Easing.Linear
-        loops: Animation.Infinite
-        running: visible
-        from: root.from
-        to: from + 4
-        duration: 2000
-    }
-}

ui/StatusQ/src/StatusQ/Animations/qmldir

@@ -1,4 +0,0 @@
-module StatusQ.Animations
-
-SkeletonAnimation 0.1 SkeletonAnimation.qml
-SkeletonGradientStop 0.1 SkeletonGradientStop.qml

ui/StatusQ/src/StatusQ/Components/LoadingComponent.qml

@@ -0,0 +1,89 @@
+import QtQuick 2.13
+import QtQuick.Controls 2.12
+
+import StatusQ.Core.Theme 0.1
+import QtGraphicalEffects 1.12
+
+/*!
+   \qmltype LoadingComponent
+   \inherits Control
+   \inqmlmodule StatusQ.Components
+   \since StatusQ.Components 0.1
+   \brief A componet that can be used to adding a loading state to a widget
+   Example:
+
+   \qml
+    StatusBaseText {
+    id: root
+        LoadingComponent {
+            anchors.fill: parent
+            radius: 8
+        }
+    }
+   \endqml
+
+   For a list of components available see StatusQ.
+*/
+
+Control {
+    id: root
+
+    /*!
+        \qmlproperty bool LoadingComponent::radius
+        This property lets user set custom radius
+    */
+    property int radius: 4
+
+    background: null
+
+    contentItem: Item {
+        property real contentItemWidth: 0
+        onWidthChanged: {
+            contentItemWidth = width
+            animation.restart()
+        }
+        Rectangle {
+            id: rect
+            anchors.fill: parent
+            color: Theme.palette.statusLoadingHighlight
+            radius: root.radius
+            visible: false
+            LinearGradient {
+                id: gradient
+                width: 100
+                height: 2*parent.height
+                x: -width
+                y: -height/4
+                start: Qt.point(0, height)
+                end: Qt.point(width, height)
+                gradient: Gradient {
+                    GradientStop { position: 0.2; color: "transparent"}
+                    GradientStop { position: 0.5; color: Theme.palette.statusLoadingHighlight2 }
+                    GradientStop { position: 0.8; color: "transparent"}
+                }
+                rotation: 20
+                NumberAnimation on x {
+                    id: animation
+                    easing.type: Easing.Linear
+                    loops: Animation.Infinite
+                    running: root.visible
+                    from: -gradient.width
+                    to: contentItem.contentItemWidth + gradient.width
+                    duration: 800
+                    easing.period: 2
+                }
+            }
+        }
+
+        OpacityMask {
+            anchors.fill: rect
+            source: rect
+            maskSource: Rectangle {
+                width: root.width
+                height: root.height
+                radius: root.radius
+            }
+        }
+    }
+}
+

ui/StatusQ/src/StatusQ/Components/StatusListItem.qml

@@ -5,7 +5,6 @@ import StatusQ.Core 0.1
 import StatusQ.Core.Theme 0.1
 import StatusQ.Components 0.1
 import StatusQ.Controls 0.1
-import StatusQ.Animations 0.1
 import QtGraphicalEffects 1.14
 
 import "private"
@@ -139,7 +138,6 @@ Rectangle {
             anchors.left: parent.left
             anchors.leftMargin: statusListItem.leftPadding
             anchors.verticalCenter: parent.verticalCenter
-            visible: !iconOrImageLoadingOverlay.visible
             asset: statusListItem.asset
             name: statusListItem.title
             active: statusListItem.asset.isLetterIdenticon ||
@@ -147,20 +145,7 @@ Rectangle {
                     !!statusListItem.asset.emoji
             badge.border.color: statusListItem.color
             ringSettings: statusListItem.ringSettings
-        }
+            loading: statusListItem.loading
-
-        Rectangle {
-            id: iconOrImageLoadingOverlay
-            visible: statusListItem.loading || statusListItem.loadingFailed
-            anchors.fill: iconOrImage
-            radius: width / 2
-            color: statusListItem.loadingFailed ? Theme.palette.dangerColor2 : Theme.palette.baseColor1
-
-            SkeletonAnimation {
-                anchors.fill: parent
-                mask: parent
-                visible: statusListItem.loading && !statusListItem.loadingFailed
-            }
         }
 
         Item {
@@ -182,29 +167,8 @@ Rectangle {
 
             height: childrenRect.height
 
-            Rectangle {
+            StatusTextWithLoadingState {
-                id: titleLoadingOverlay
-                visible: statusListItem.loading || statusListItem.loadingFailed
-                anchors {
-                    left: statusListItemTitle.left
-                    top: statusListItemTitle.top
-                    bottom: statusListItemTitle.bottom
-                }
-
-                width: Math.max(95, statusListItemTitle.width)
-                radius: 4
-                color: statusListItem.loadingFailed ? Theme.palette.dangerColor2 : Theme.palette.baseColor1
-
-                SkeletonAnimation {
-                    anchors.fill: parent
-                    mask: parent
-                    visible: statusListItem.loading && !statusListItem.loadingFailed
-                }
-            }
-
-            StatusBaseText {
                 id: statusListItemTitle
-                opacity: titleLoadingOverlay.visible ? 0 : 1
                 text: statusListItem.title
                 font.pixelSize: 15
                 height: visible ? contentHeight : 0
@@ -213,7 +177,7 @@ Rectangle {
                 anchors.top: bottomModel.length === 0 ? undefined:  parent.top
                 anchors.topMargin: bottomModel.length === 0 ? undefined : 20
                 width: Math.min(implicitWidth, parent.width)
-                color: {
+                customColor: {
                     if (!statusListItem.enabled) {
                         return Theme.palette.baseColor1
                     }
@@ -226,6 +190,7 @@ Rectangle {
                             return Theme.palette.dangerColor1
                     }
                 }
+                loading: statusListItem.loading
 
                 StatusIcon {
                     width: visible ? 12 : 0
@@ -258,7 +223,7 @@ Rectangle {
                 }
             }
 
-            StatusBaseText {
+            StatusTextWithLoadingState {
                 id: statusListItemTitleAsideText
                 anchors.left: statusListItemTitle.right
                 anchors.leftMargin: 4
@@ -267,8 +232,9 @@ Rectangle {
                 anchors.topMargin: bottomModel.length === 0 ? undefined : 20
                 text: statusListItem.titleAsideText
                 font.pixelSize: 10
-                color: Theme.palette.baseColor1
+                customColor: Theme.palette.baseColor1
                 visible: !!statusListItem.titleAsideText
+                loading: statusListItem.loading
             }
 
             Loader {
@@ -287,7 +253,7 @@ Rectangle {
                 width: parent.width
                 spacing: 4
 
-                StatusBaseText {
+                StatusTextWithLoadingState {
                     id: statusListItemSubTitle
                     objectName: "statusListItemSubTitle"
 
@@ -296,26 +262,26 @@ Rectangle {
 
                     text: statusListItem.subTitle
                     font.pixelSize: 15
-                    color: statusListItem.loadingFailed ? Theme.palette.dangerColor1
+                    customColor: !statusListItem.enabled || !statusListItem.tertiaryTitle ?
-                                                        : !statusListItem.enabled || !statusListItem.tertiaryTitle
+                                     Theme.palette.baseColor1 : Theme.palette.directColor1
-                                                          ? Theme.palette.baseColor1
-                                                          : Theme.palette.directColor1
                     visible: !!statusListItem.subTitle
                     wrapMode: Text.WrapAtWordBoundaryOrAnywhere
+                    loading: statusListItem.loading
                 }
 
-                StatusBaseText {
+                StatusTextWithLoadingState {
                     id: dot
                     Layout.alignment: Qt.AlignVCenter
                     Layout.topMargin: -48
 
                     text: "."
                     font.pixelSize: 40
-                    color: Theme.palette.baseColor1
+                    customColor: Theme.palette.baseColor1
                     lineHeightMode: Text.FixedHeight
                     lineHeight: 24
 
                     visible: inlineTagModelRepeater.count > 0
+                    loading: statusListItem.loading
                 }
 
                 StatusScrollView {
@@ -340,16 +306,17 @@ Rectangle {
                 }
             }
 
-            StatusBaseText {
+            StatusTextWithLoadingState {
                 id: statusListItemTertiaryTitle
                 anchors.top: statusListItemSubtitleTagsRow.bottom
                 width: parent.width
                 height: visible ? contentHeight : 0
                 text: statusListItem.tertiaryTitle
-                color: Theme.palette.baseColor1
+                customColor: Theme.palette.baseColor1
                 font.pixelSize: 13
                 visible: !!statusListItem.tertiaryTitle
                 wrapMode: Text.WrapAtWordBoundaryOrAnywhere
+                loading: statusListItem.loading
             }
 
             StatusListItemBadge {
@@ -397,7 +364,7 @@ Rectangle {
             }
         }
 
-        StatusBaseText {
+        StatusTextWithLoadingState {
             id: statusListItemLabel
             anchors.verticalCenter: bottomModel.length === 0 ? parent.verticalCenter : undefined
             anchors.top: bottomModel.length === 0 ? undefined:  parent.top
@@ -407,8 +374,9 @@ Rectangle {
 
             text: statusListItem.label
             font.pixelSize: 15
-            color: Theme.palette.baseColor1
+            customColor: Theme.palette.baseColor1
             visible: !!statusListItem.label
+            loading: statusListItem.loading
         }
 
         Row {

ui/StatusQ/src/StatusQ/Components/StatusSmartIdenticon.qml

@@ -23,9 +23,11 @@ Loader {
         distinctiveColors: Theme.palette.identiconRingColors
     }
 
-    sourceComponent: (root.asset.isLetterIdenticon || root.asset.name === "") ? letterIdenticon :
+    sourceComponent: root.loading ?  loadingComp : (root.asset.isLetterIdenticon || root.asset.name === "") ? letterIdenticon :
                      !root.asset.isImage ? roundedIcon : roundedImage
 
+    property bool loading: false
+
     Component {
         id: roundedImage
 
@@ -110,4 +112,14 @@ Loader {
         implicitWidth: 15
         z: root.dZ
     }
+
+    Component {
+        id: loadingComp
+        LoadingComponent {
+            anchors.centerIn: parent
+            radius: width/2
+            height: root.asset.height
+            width: root.asset.width
+        }
+    }
 }

ui/StatusQ/src/StatusQ/Components/qmldir

@@ -47,3 +47,4 @@ StatusDatePicker 0.1 StatusDatePicker.qml
 StatusChart 0.1 StatusChart.qml
 StatusChartPanel 0.1 StatusChartPanel.qml
 StatusStepper 0.1 StatusStepper.qml
+LoadingComponent 0.1 LoadingComponent.qml

ui/StatusQ/src/StatusQ/Controls/StatusTextWithLoadingState.qml

@@ -0,0 +1,63 @@
+import QtQuick 2.13
+
+import StatusQ.Core 0.1
+import StatusQ.Core.Theme 0.1
+import StatusQ.Components 0.1
+
+/*!
+   \qmltype StatusTextWithLoadingState
+   \inherits StatusBaseText
+   \inqmlmodule StatusQ.Controls
+   \since StatusQ.Controls 0.1
+   \brief A text control with support for loading state
+
+   Example:
+
+   \qml
+    StatusTextWithLoadingState {
+        title: "Account %1 of %2".arg(completedSteps).arg(totalSteps)
+        loading: isLoading
+        customColor: Theme.palette.directColor1
+    }
+   \endqml
+
+   \image statusLoadingText.png
+
+   For a list of components available see StatusQ.
+*/
+
+StatusBaseText {
+    id: root
+
+    /*!
+        \qmlproperty bool StatusTextWithLoadingState::loading
+        This property sets if the text is loading.
+    */
+    property bool loading: false
+    /*!
+        \qmlproperty bool StatusTextWithLoadingState::customColor
+        This property sets the user defined color for the text and handles
+        transparency in loading state.
+    */
+    property color customColor: Theme.palette.directColor1
+
+    color: loading ? "transparent" : customColor
+
+    Loader {
+        anchors.left: parent.left
+        anchors.verticalCenter: parent.verticalCenter
+        active: root.loading
+        sourceComponent: LoadingComponent {
+            anchors.centerIn: parent
+            radius: textMetrics.font.pixelSize === 15 ? 4 : 8
+            height: textMetrics.tightBoundingRect.height
+            width: Math.min(root.width, 140)
+        }
+    }
+
+    TextMetrics {
+        id: textMetrics
+        font: root.font
+        text: root.text
+    }
+}

ui/StatusQ/src/StatusQ/Controls/qmldir

@@ -53,3 +53,4 @@ StatusItemDelegate 0.1 StatusItemDelegate.qml
 StatusTextArea 0.1 StatusTextArea.qml
 StatusBackButton 0.1 StatusBackButton.qml
 StatusPasswordInput 0.1 StatusPasswordInput.qml
+StatusTextWithLoadingState 0.1 StatusTextWithLoadingState.qml

ui/StatusQ/src/StatusQ/Core/Theme/StatusColors.qml

@@ -64,7 +64,9 @@ QtObject {
         'yellow': '#FFCA0F',
         'yellow2': '#EAD27B',
 
-        'blueHijab': '#CDF2FB'
+        'blueHijab': '#CDF2FB',
+
+        'lightPattensBlue': '#D7DEE4',
     }
 }
 

ui/StatusQ/src/StatusQ/Core/Theme/StatusDarkTheme.qml

@@ -62,6 +62,9 @@ ThemePalette {
 
     statusFloatingButtonHighlight: getColor('blue4', 0.3)
 
+    statusLoadingHighlight: getColor('white', 0.03)
+    statusLoadingHighlight2: getColor('white', 0.07)
+
     userCustomizationColors: [
         "#AAC6FF",
         "#887AF9",

ui/StatusQ/src/StatusQ/Core/Theme/StatusLightTheme.qml

@@ -60,6 +60,9 @@ ThemePalette {
 
     statusFloatingButtonHighlight: getColor('blueHijab')
 
+    statusLoadingHighlight: getColor('lightPattensBlue', 0.5)
+    statusLoadingHighlight2: indirectColor3
+
     userCustomizationColors: [
         "#2946C4",
         "#887AF9",

ui/StatusQ/src/StatusQ/Core/Theme/ThemePalette.qml

@@ -166,6 +166,9 @@ QtObject {
 
     property color statusFloatingButtonHighlight
 
+    property color statusLoadingHighlight
+    property color statusLoadingHighlight2
+
     property var userCustomizationColors: []
 
     property var identiconRingColors: []