[examples] Add battery property test qml application

Signed-off-by: Simo Piiroinen <simo.piiroinen@jollamobile.com>

examples/qml/mcebattery.qml

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+/*
+ * Copyright (C) 2018 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of Jolla Ltd nor the names of its contributors may
+ *      be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * any official policies, either expressed or implied.
+ */
+
+import QtQuick 2.0
+import Sailfish.Silica 1.0
+import Nemo.Mce 1.0
+
+ApplicationWindow {
+    initialPage: Component {
+        Page {
+            Column {
+                width: parent.width
+                spacing: Theme.paddingLarge
+                Label {
+                    text: "CableState"
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Valid: " + mceCableState.valid
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Connected: " + mceCableState.connected
+                }
+                Label {
+                    text: "ChargerState"
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Valid: " + mceChargerState.valid
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Charging: " + mceChargerState.charging
+                }
+                Label {
+                    text: "BatteryLevel"
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Valid: " + mceBatteryLevel.valid
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Percent: " + mceBatteryLevel.percent
+                }
+                Label {
+                    text: "PowerSaveMode"
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Valid: " + mcePowerSaveMode.valid
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Active: " + mcePowerSaveMode.active
+                }
+                Label {
+                    text: "BatteryStatus"
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Valid: " + mceBatteryStatus.valid
+                }
+                Label {
+                    x: Theme.paddingLarge
+                    text: "Status: " + mceBatteryStatus.status + "/" + mceBatteryStatus.name
+                }
+            }
+            MceCableState {
+                id: mceCableState
+            }
+            MceChargerState {
+                id: mceChargerState
+            }
+            MceBatteryLevel {
+                id: mceBatteryLevel
+            }
+            McePowerSaveMode {
+                id: mcePowerSaveMode
+            }
+            MceBatteryStatus {
+                id: mceBatteryStatus
+                property string name: {
+                    if (!valid) return "INVALID";
+                    if (status == MceBatteryStatus.Full) { return "FULL"; }
+                    if (status == MceBatteryStatus.Ok)   { return "OK"; }
+                    if (status == MceBatteryStatus.Low)  { return "LOW"; }
+                    if (status == MceBatteryStatus.Empty){ return "EMPTY"; }
+                    return "UNKNOWN"
+                }
+            }
+        }
+    }
+}