sync with mobilecomponents f4d5d19fc

- Kills a warning in ContextDrawer.
- Improves sizing of menu icons.
- Fixes icon rendering in menues.

Signed-off-by: Sebastian Kügler <sebas@kde.org>

qt-mobile/qml/mobilecomponents/ContextDrawer.qml

@@ -37,6 +37,9 @@ OverlayDrawer {
             id: menu
             interactive: contentHeight > height
             model: {
+                if (typeof root.actions == "undefined") {
+                    return null;
+                }
                 if (root.actions.length == 0) {
                     return null;
                 } else {

qt-mobile/qml/mobilecomponents/GlobalDrawer.qml

@@ -146,7 +146,7 @@ OverlayDrawer {
                     visible: level > 0
                     enabled: true
                     RowLayout {
-                        height: implicitHeight + Units.smallSpacing * 2
+                        height: Units.iconSizes.smallMedium + Units.smallSpacing * 2
                         anchors {
                             left: parent.left
                         }

qt-mobile/qml/mobilecomponents/Icon.qml

@@ -27,13 +27,16 @@ Item {
     property alias smooth: image.smooth
     property bool active: false
     property bool valid: image.status == Image.Ready 
-    implicitWidth: Math.min(image.sourceSize.width, Units.iconSizes.medium)
-    implicitHeight: Math.min(image.sourceSize.height, Units.iconSizes.medium)
+
+    implicitWidth: image.source != "" ? Units.iconSizes.smallMedium : 0
+    implicitHeight: image.source != "" ? Units.iconSizes.smallMedium : 0
 
     Image {
         id: image
         anchors.fill: parent
         source: root.source != "" ? (root.source.indexOf(".") === -1 ? "icons/" + root.source + ".svg" : root.source) : root.source
+        sourceSize.width: root.width
+        sourceSize.height: root.height
     }
     GammaAdjust {
         anchors.fill: image

qt-mobile/qml/mobilecomponents/Page.qml

@@ -57,7 +57,7 @@ Rectangle {
 
     Connections {
         target: flickable
-        property real oldContentY: flickable.contentY
+        property real oldContentY: (flickable == null) ? 0 : flickable.contentY
         onContentYChanged: {
             actionButton.transform[0].y = Math.min(actionButton.height, Math.max(0, actionButton.transform[0].y + (flickable.contentY - oldContentY)));