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 };
  39
  40 StatusBarModel::Private::Private(StatusBarModel *parent)
  41     : q(parent)
  42 {
  43     QDBusConnection dbus = QDBusConnection::sessionBus();
  44     dbus.registerObject("/StatusBar", &server);
  45     dbus.registerService("org.agl.homescreen");
  46     connect(&server, &StatusBarServer::statusIconChanged, [&](int placeholderIndex, const QString &icon) {
  47         if (placeholderIndex < 0 || StatusBarServer::SupportedCount <= placeholderIndex) return;
  48         if (iconList[placeholderIndex] == icon) return;
  49         iconList[placeholderIndex] = icon;
  50         emit q->dataChanged(q->index(placeholderIndex), q->index(placeholderIndex));
  51     });
  52     for (int i = 0; i < StatusBarServer::SupportedCount; i++) {
  53         iconList[i] = server.getStatusIcon(i);
  54     }
  55 }
  56
  57 StatusBarModel::StatusBarModel(QObject *parent)
  58     : QAbstractListModel(parent)
  59     , d(new Private(this))
  60 {
  61 }
  62
  63 StatusBarModel::~StatusBarModel()
  64 {
  65     delete d;
  66 }
  67
  68 void StatusBarModel::init(QUrl &url, QQmlContext *context)
  69 {
  70     HMI_DEBUG("HomeScreen", "StatusBarModel::init");
  71     d->network = new Network(url, context);
  72     context->setContextProperty("network", d->network);
  73
  74     QObject::connect(d->network, &Network::wifiConnectedChanged, this, &StatusBarModel::onWifiConnectedChanged);
  75     QObject::connect(d->network, &Network::wifiEnabledChanged, this, &StatusBarModel::onWifiEnabledChanged);
  76     QObject::connect(d->network, &Network::wifiStrengthChanged, this, &StatusBarModel::onWifiStrengthChanged);
  77
  78     setWifiStatus(d->network->wifiConnected(), d->network->wifiEnabled(), d->network->wifiStrength());
  79 }
  80
  81 void StatusBarModel::setWifiStatus(bool connected, bool enabled, int strength)
  82 {
  83     HMI_DEBUG("HomeScreen", "StatusBarModel::setWifiStatus");
  84     if (enabled && connected)
  85         if (strength < 30)
  86             d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_1Bar-01.png"));
  87         else if (strength < 50)
  88             d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_2Bars-01.png"));
  89         else if (strength < 70)
  90             d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_3Bars-01.png"));
  91         else
  92             d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_Full-01.png"));
  93     else
  94         d->server.setStatusIcon(0, QStringLiteral("qrc:/images/Status/HMI_Status_Wifi_NoBars-01.png"));
  95 }
  96
  97 void StatusBarModel::onWifiConnectedChanged(bool connected)
  98 {
  99     setWifiStatus(connected, d->network->wifiEnabled(), d->network->wifiStrength());
 100 }
 101
 102 void StatusBarModel::onWifiEnabledChanged(bool enabled)
 103 {
 104     setWifiStatus(d->network->wifiConnected(), enabled, d->network->wifiStrength());
 105 }
 106
 107 void StatusBarModel::onWifiStrengthChanged(int strength)
 108 {
 109     qInfo() << "Strength changed: " << strength;
 110     setWifiStatus(d->network->wifiConnected(), d->network->wifiEnabled(), strength);
 111 }
 112
 113 int StatusBarModel::rowCount(const QModelIndex &parent) const
 114 {
 115     if (parent.isValid())
 116         return 0;
 117
 118     return StatusBarServer::SupportedCount - 1;
 119 }
 120
 121 QVariant StatusBarModel::data(const QModelIndex &index, int role) const
 122 {
 123     QVariant ret;
 124     if (!index.isValid())
 125         return ret;
 126
 127     switch (role) {
 128     case Qt::DisplayRole:
 129         if (index.row() == 0) {
 130             ret = d->iconList[StatusBarServer::StatusWifi];
 131         } else if (index.row() == 1) {
 132             ret = d->iconList[StatusBarServer::StatusCellular];
 133         }
 134         break;
 135     default:
 136         break;
 137     }
 138
 139     return ret;
 140 }
 141
 142 QHash<int, QByteArray> StatusBarModel::roleNames() const
 143 {
 144     QHash<int, QByteArray> roles;
 145     roles[Qt::DisplayRole] = "icon";
 146     return roles;
 147 }