critical notification & bugfix

package/contents/config/config.qml

@@ -5,6 +5,11 @@ ConfigModel {
   ConfigCategory {
     name: i18n("General")
     icon: "configure"
-    source: "configGeneral.qml"
+    source: "config/general.qml"
+  }
+  ConfigCategory {
+    name: i18n("Debug")
+    icon: "cab_view"
+    source: "config/debug.qml"
   }
 }

package/contents/config/main.xml

@@ -12,7 +12,6 @@
     <entry name="batteryheight" type="Int">
       <default>8</default>
     </entry>
-
     <entry name="colorEmpty" type="String">
       <default>#ff0000</default>
     </entry>
@@ -22,5 +21,20 @@
     <entry name="colorFull" type="String">
       <default>#008800</default>
     </entry>
+
+    <entry name="batteryThreshold" type="Int">
+      <default>10</default>
+    </entry>
+    <entry name="notifications" type="Bool">
+      <default>true</default>
+    </entry>
+
+    <!-- debug -->
+    <entry name="debug_active" type="Bool">
+      <default>false</default>
+    </entry>
+    <entry name="debug_charge" type="Int">
+      <default>0</default>
+    </entry>
   </group>
 </kcfg>

package/contents/ui/CompactRepresentation.qml

@@ -7,13 +7,10 @@ import org.kde.kirigami 2.14 as Kirigami
 import "./lib/helper.js" as Helper
 
 Item {
-  Layout.minimumWidth: units.iconSizes.medium
-  Layout.alignment: Qt.AlignHCenter
-
   Rectangle { // battery
     id: container
     anchors.fill: parent
-    anchors.rightMargin: 2
+    anchors.rightMargin: 1
     anchors.topMargin: 10 - batteryheight
     anchors.bottomMargin: 10 - batteryheight
     color: "transparent"
@@ -29,7 +26,7 @@ Item {
         anchors.left: parent.left
         anchors.top: parent.top
         anchors.bottom: parent.bottom
-        color: Helper.interpolateColor(parseFloat("." + batteryPercent), [ colorEmpty, colorHalf, colorFull ])
+        color: Helper.interpolateColor(batteryPercent / 100, [ colorEmpty, colorHalf, colorFull ])
         width: parent.width * Math.max(0, Math.min(batteryPercent, 100)) / 100
       }
       Kirigami.Icon { // headphones icon

package/contents/ui/config/debug.qml

@@ -0,0 +1,57 @@
+import QtQuick 2.0
+import QtQuick.Layouts 1.3
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import QtQuick.Controls 2.5 as QQC2
+import org.kde.kirigami 2.4 as Kirigami
+import org.kde.kquickcontrols 2.0 as KQControls
+
+import "../lib/helper.js" as Helper
+
+QQC2.Pane {
+  id: root
+
+  property alias cfg_debug_active: debug_active.checked
+  property alias cfg_debug_charge: debug_charge.value
+
+  Kirigami.FormLayout {
+    anchors.fill: parent
+    wideMode: false
+
+    GridLayout {
+      columns: 3
+      rows: 2
+      rowSpacing: 10
+
+      // first row
+      Text {
+        text: "debug:"
+        color: PlasmaCore.Theme.textColor
+      }
+      PlasmaComponents.CheckBox {
+        id: debug_active
+      }
+      Text {
+        text: ""
+      }
+
+      // second row
+      Text {
+        text: "battery charge:"
+        color: PlasmaCore.Theme.textColor
+      }
+      PlasmaComponents.Slider {
+        id: debug_charge
+        value: 0
+        minimumValue: -2
+        maximumValue: 100
+        stepSize: 1
+      }
+      Text {
+        text: cfg_debug_charge + "%"
+        color: PlasmaCore.Theme.textColor
+      }
+    }
+
+  }
+}

package/contents/ui/config/general.qml

@@ -6,7 +6,7 @@ import QtQuick.Controls 2.5 as QQC2
 import org.kde.kirigami 2.4 as Kirigami
 import org.kde.kquickcontrols 2.0 as KQControls
 
-import "./lib/helper.js" as Helper
+import "../lib/helper.js" as Helper
 
 QQC2.Pane {
   id: root
@@ -17,6 +17,9 @@ QQC2.Pane {
   property alias cfg_colorHalf: colorHalf.color
   property alias cfg_colorFull: colorFull.color
 
+  property alias cfg_notifications: notifications.checked
+  property alias cfg_batteryThreshold: batteryThreshold.value
+
   Kirigami.FormLayout {
     anchors.fill: parent
     wideMode: false
@@ -157,5 +160,40 @@ QQC2.Pane {
         color: Helper.interpolateColor( 1, [ cfg_colorEmpty.toString(), cfg_colorHalf.toString(), cfg_colorFull.toString() ])
       }
     }
+
+    GridLayout {
+      columns: 3
+      rows: 2
+      rowSpacing: 10
+
+      // first row
+      Text {
+        text: "notifications:"
+        color: PlasmaCore.Theme.textColor
+      }
+      PlasmaComponents.CheckBox {
+        id: notifications
+      }
+      Text {
+        text: ""
+      }
+
+      // second row
+      Text {
+        text: "battery threshold:"
+        color: PlasmaCore.Theme.textColor
+      }
+      PlasmaComponents.Slider {
+        id: batteryThreshold
+        value: 10
+        minimumValue: 1
+        maximumValue: 50
+        stepSize: 1
+      }
+      Text {
+        text: cfg_batteryThreshold
+        color: PlasmaCore.Theme.textColor
+      }
+    }
   }
 }

package/contents/ui/lib/helper.js

@@ -14,7 +14,7 @@ const rgb2Hex = rgb => "#" + ((1 << 24) + (rgb.r << 16) + (rgb.g << 8) + rgb.b).
 const interpolateColor = (f, c) => {
   if(!f)     return "transparent";
   if(f >= 1) return c.pop();
-  if(f <= 0) return c[0];
+  if(f <= 0) return c.shift();
 
   f *= c.length - 1;
   const i = ~~f;

package/contents/ui/main.qml

@@ -4,6 +4,8 @@ import org.kde.plasma.plasmoid 2.0
 import org.kde.plasma.core 2.0 as PlasmaCore
 import org.kde.kirigami 2.14 as Kirigami
 
+import org.kde.notification 1.0
+
 import "./lib/helper.js" as Helper
 
 Item {
@@ -14,7 +16,15 @@ Item {
   property string colorEmpty: Plasmoid.configuration.colorEmpty
   property string colorHalf: Plasmoid.configuration.colorHalf
   property string colorFull: Plasmoid.configuration.colorFull
+
+  property bool notifications: Plasmoid.configuration.notifications
+  property int batteryThreshold: Plasmoid.configuration.batteryThreshold
+
+  property bool debug_active: Plasmoid.configuration.debug_active
+  property int debug_charge: Plasmoid.configuration.debug_charge
+
   property int batteryPercent: -2
+  property bool notification_sent: false;
 
   PlasmaCore.DataSource {
     id: hsSource
@@ -22,13 +32,39 @@ Item {
     connectedSources: ["headsetcontrol -bc"]
     interval: pollingrate * 1e3
     onNewData: {
-      return batteryPercent = data['exit code'] > 0
-        ? -2 // not connected
-        : data['stdout'];
+      if(debug_active)
+        batteryPercent = debug_charge;
+      else
+        batteryPercent = data['exit code'] > 0
+          ? -2 // not connected
+          : +data.stdout;
+
+      // send notification if necessary
+      if(batteryPercent <= batteryThreshold && batteryPercent >= 0 && !notification_sent && notifications) {
+        notification_sent = true;
+        notification.text = "Battery Level is low (" + batteryPercent + "%)";
+        notification.title = "Headset Battery Level Alert";
+        notification.iconName = "notification-battery-low";
+        notification.sendEvent();
+      }
+      // reset notifications if battery level is over batteryThreshold
+      if((batteryPercent > batteryThreshold || batteryPercent < 0) && notification_sent && notifications) {
+        notification_sent = false;
+      }
+
+      return;
     }
   }
 
   Plasmoid.preferredRepresentation: Plasmoid.compactRepresentation
   Plasmoid.fullRepresentation: FullRepresentation{} 
   Plasmoid.compactRepresentation: CompactRepresentation{}
+
+  Notification {
+    id: notification
+    componentName: "plasma_workspace"
+    eventId: "notification"
+    flags: Notification.DefaultEvent
+    urgency: Notification.CriticalUrgency
+  }
 }