homescreen/src/statusbarmodel.cpp

   1 /*
   2  * Copyright (C) 2016 The Qt Company Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "statusbarmodel.h"
  18 #include "statusbarserver.h"
  19 #include <QDebug>
  20 #include "hmi-debug.h"
  21
  22 #include <QtDBus/QDBusConnection>
  23
  24 #include "network.h"
  25
  26
  27 class StatusBarModel::Private
  28 {
  29 public:
  30     Private(StatusBarModel *parent);
  31
  32 private:
  33     StatusBarModel *q;
  34 public:
  35     StatusBarServer server;
  36     QString iconList[StatusBarServer::SupportedCount];
  37     Network *network;
  38     WifiAdapter *wifi_a;
  39 };
  40
  41 StatusBarModel::Private::Private(StatusBarModel *parent)
  42     : q(parent)
  43 {
  44     QDBusConnection dbus = QDBusConnection::sessionBus();
  45     dbus.registerObject("/StatusBar", &server);
  46     dbus.registerService("org.agl.homescreen");
  47     connect(&server, &StatusBarServer::statusIconChanged, [&](int placeholderIndex, const QString &icon) {
  48         if (placeholderIndex < 0 || StatusBarServer::SupportedCount <= placeholderIndex) return;
  49         if (iconList[placeholderIndex] == icon) return;
  50         iconList[placeholderIndex] = icon;
  51         emit q->dataChanged(q->index(placeholderIndex), q->index(placeholderIndex));
  52     });
  53     for (int i = 0; i < StatusBarServer::SupportedCount; i++) {
  54         iconList[i] = server.getStatusIcon(i);
  55     }
  56 }
  57
  58 StatusBarModel::StatusBarModel(QObject *parent)
  59     : QAbstractListModel(parent)
  60     , d(new Private(this))
  61 {
  62 }
  63
  64 StatusBarModel::~StatusBarModel()
  65 {
  66     delete d;
  67 }
  68
  69 void StatusBarModel::init(QUrl &url, QQmlContext *context)
  70 {
  71     HMI_DEBUG("HomeScreen", "StatusBarModel::init");
  72     d->network = new Network(url, context);
  73     context->setContextProperty("network", d->network);
  74     d->wifi_a = static_cast<WifiAdapter*>(d->network->findAdapter("wifi"));
  75     Q_CHECK_PTR(d->wifi_a);
  76
  77     QObject::connect(d->wifi_a, &WifiAdapter::wifiConnectedChanged,
  78                      this, &StatusBarModel::onWifiConnectedChanged);
  79     QObject::connect(d->wifi_a, &WifiAdapter::wifiEnabledChanged,
  80                      this, &StatusBarModel::onWifiEnabledChanged);
  81     QObject::connect(d->wifi_a, &WifiAdapter::wifiStrengthChanged,
  82                      this, &StatusBarModel::onWifiStrengthChanged);
  83
  84     setWifiStatus(d->wifi_a->wifiConnected(), d->wifi_a->wifiEnabled(), d->wifi_a->wifiStrength());
  85 }
  86
  87 void StatusBarModel::setWifiStatus(bool connected, bool enabled, int strength)
  88 {
  89     HMI_DEBUG("HomeScreen", "StatusBarModel::setWifiStatus");
  90     if (enabled && connected)
  91         if (strength < 30)
  92             d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_1Bar-01.png"));
  93         else if (strength < 50)
  94             d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_2Bars-01.png"));
  95         else if (strength < 70)
  96             d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_3Bars-01.png"));
  97         else
  98             d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_Full-01.png"));
  99     else
 100         d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_NoBars-01.png"));
 101 }
 102
 103 void StatusBarModel::onWifiConnectedChanged(bool connected)
 104 {
 105     setWifiStatus(connected, d->wifi_a->wifiEnabled(), d->wifi_a->wifiStrength());
 106 }
 107
 108 void StatusBarModel::onWifiEnabledChanged(bool enabled)
 109 {
 110     setWifiStatus(d->wifi_a->wifiConnected(), enabled, d->wifi_a->wifiStrength());
 111 }
 112
 113 void StatusBarModel::onWifiStrengthChanged(int strength)
 114 {
 115     qInfo() << "Strength changed: " << strength;
 116     setWifiStatus(d->wifi_a->wifiConnected(), d->wifi_a->wifiEnabled(), strength);
 117 }
 118
 119 int StatusBarModel::rowCount(const QModelIndex &parent) const
 120 {
 121     if (parent.isValid())
 122         return 0;
 123
 124     return StatusBarServer::SupportedCount - 1;
 125 }
 126
 127 QVariant StatusBarModel::data(const QModelIndex &index, int role) const
 128 {
 129     QVariant ret;
 130     if (!index.isValid())
 131         return ret;
 132
 133     switch (role) {
 134     case Qt::DisplayRole:
 135         if (index.row() == 0) {
 136             ret = d->iconList[StatusBarServer::StatusWifi];
 137         } else if (index.row() == 1) {
 138             ret = d->iconList[StatusBarServer::StatusCellular];
 139         }
 140         break;
 141     default:
 142         break;
 143     }
 144
 145     return ret;
 146 }
 147
 148 QHash<int, QByteArray> StatusBarModel::roleNames() const
 149 {
 150     QHash<int, QByteArray> roles;
 151     roles[Qt::DisplayRole] = "icon";
 152     return roles;
 153 }