Add ProgressBar plasma component

The ProgressBar is defined in the Qt Components common API.
It has a orientation property, usign Qt.Horizontal or
Qt.Vertical to set the orientation of the component.

Signed-off-by: Daker Fernandes Pinheiro <dakerfp@gmail.com>

declarativeimports/plasmacomponents/ProgressBar.qml

@@ -0,0 +1,99 @@
+/*
+*   Copyright (C) 2011 by Daker Fernandes Pinheiro <dakerfp@gmail.com>
+*
+*   This program is free software; you can redistribute it and/or modify
+*   it under the terms of the GNU Library General Public License as
+*   published by the Free Software Foundation; either version 2, or
+*   (at your option) any later version.
+*
+*   This program is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details
+*
+*   You should have received a copy of the GNU Library General Public
+*   License along with this program; if not, write to the
+*   Free Software Foundation, Inc.,
+*   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+import QtQuick 1.0
+import org.kde.plasma.core 0.1 as PlasmaCore
+
+Item {
+    id: progressBar
+
+    // Common API
+    property alias minimumValue: range.minimumValue
+    property alias maximumValue: range.maximumValue
+    property alias value: range.value
+    property alias indeterminate: indeterminateAnimation.running
+
+    // Plasma API
+    property int orientation: Qt.Horizontal
+
+    // Convinience API
+    property bool _isVertical: orientation == Qt.Vertical
+
+    width: 100
+    height: 20
+    opacity: enabled ? 1.0 : 0.5
+
+    PlasmaCore.RangeModel {
+        id: range
+
+        // default values
+        minimumValue: 0.0
+        maximumValue: 1.0
+        value: 0
+
+        positionAtMinimum: 0
+        positionAtMaximum: contents.width
+    }
+
+    Item {
+        id: contents
+
+        width: _isVertical ? progressBar.height : progressBar.width
+        height: _isVertical ? progressBar.width : progressBar.height
+        rotation: _isVertical ? 90 : 0
+        anchors.centerIn: parent
+
+        PlasmaCore.FrameSvgItem {
+            id: background
+
+            anchors.fill: parent
+            imagePath: "widgets/bar_meter_horizontal"
+            prefix: "bar-inactive"
+        }
+
+        PlasmaCore.FrameSvgItem {
+            id: bar
+
+            width: indeterminate ? contents.width / 4 : range.position
+            height: contents.height
+            imagePath: "widgets/bar_meter_horizontal"
+            prefix: "bar-active"
+            visible: indeterminate || value > 0
+
+            SequentialAnimation {
+                id: indeterminateAnimation
+
+                loops: Animation.Infinite
+
+                PropertyAnimation {
+                    target: bar;
+                    property: "x"
+                    duration: 800
+                    to: 0
+                }
+                PropertyAnimation {
+                    target: bar;
+                    property: "x"
+                    duration: 800
+                    to: background.width - bar.width
+                }
+            }
+        }
+    }
+}

declarativeimports/plasmacomponents/qmldir

@@ -10,6 +10,7 @@ Frame 0.1 Frame.qml
 IconWidget 0.1 IconWidget.qml
 Highlight 0.1 Highlight.qml
 PushButton 0.1 PushButton.qml
+ProgressBar 0.1 ProgressBar.qml
 RadioButton 0.1 RadioButton.qml
 ScrollBar 0.1 ScrollBar.qml
 ScrollDecorator 0.1 ScrollDecorator.qml