Add als-meter-demo

Add new application what we showed in als2017.
Run in renesas m3ulcb, show camera video by logitech cr920.
Display someinformation get from agl-service-steering-wheel as a meter.
Already do some test on Daring Dab 4.0.0.
[PatchSet2]
Add [QMAKE_CXXFLAGS += -mfp16-format=ieee] for raspberrypi3 build error.
[PatchSet3]
Add determine statements in app.pro for raspberrypi3.

Change-Id: I68f44eac6533567055e1c20d0b5f929242c2f082
Signed-off-by: zheng_wenlong <wenlong_zheng@nexty-ele.com>

1 files changed, 144 insertions, 0 deletions

diff --git a/app/main.cpp b/app/main.cpp
new file mode 100644
index 0000000..17bbe81
--- /dev/null
+++ b/app/main.cpp
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ * Copyright (C) 2016 The Qt Company Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <QtCore/QDebug>
+#include <QtCore/QCommandLineParser>
+#include <QtCore/QUrlQuery>
+#include <QtCore/QFile>
+#include <QtDBus/QDBusInterface>
+#include <QtDBus/QDBusReply>
+#include <QtGui/QGuiApplication>
+#include <QtQml/QQmlApplicationEngine>
+#include <QtQml/QQmlContext>
+#include <QtQuickControls2/QQuickStyle>
+#include <QtDBus/QDBusConnection>
+#include <unistd.h>
+#include "camera.h"
+
+#ifdef HAVE_LIBHOMESCREEN
+#include <libhomescreen.hpp>
+#endif
+
+class AppVisible : public QObject
+{
+    Q_OBJECT
+public:
+    AppVisible(QObject *parent = nullptr) : QObject(parent){
+        m_ppid = getppid();
+        m_visible = true;
+        QDBusConnection::sessionBus().connect("org.agl.windowmanager",
+                                              "/windowmanager",
+                                              "org.agl.windowmanager",
+                                              "appLayerVisibleChanged",
+                                              this,
+                                              SLOT(appLayerVisibleChanged(int,bool)));
+    }
+
+public slots:
+    void appLayerVisibleChanged(int pid, bool visible){
+        bool tempvis = visible;
+
+        if(tempvis && (m_ppid != pid))
+            tempvis = false;
+
+        if(m_visible != tempvis){
+            m_visible = tempvis;
+            emit visibleChanged(m_visible);
+        }
+    }
+
+signals:
+    void visibleChanged(const bool& visible);
+
+private:
+    int m_ppid;
+    bool m_visible;
+};
+
+class DBus : public QObject
+{
+    Q_OBJECT
+public:
+    DBus(QObject *parent = nullptr)
+        : QObject(parent)
+        , interface("org.agl.homescreen", "/StatusBar", "org.agl.statusbar", QDBusConnection::sessionBus())
+    {}
+
+    Q_INVOKABLE void setStatusIcon(int index, const QString &url) {
+        interface.call("setStatusIcon", index, url);
+    }
+
+private:
+    QDBusInterface interface;
+};
+
+int main(int argc, char *argv[])
+{
+#ifdef HAVE_LIBHOMESCREEN
+    LibHomeScreen libHomeScreen;
+
+    if (!libHomeScreen.renderAppToAreaAllowed(0, 1)) {
+        qWarning() << "renderAppToAreaAllowed is denied";
+        return -1;
+    }
+#endif
+
+    QGuiApplication app(argc, argv);
+    app.setApplicationName(QStringLiteral("als-meter-demo"));
+    app.setApplicationVersion(QStringLiteral("0.1.0"));
+    app.setOrganizationDomain(QStringLiteral("automotivelinux.org"));
+    app.setOrganizationName(QStringLiteral("AutomotiveGradeLinux"));
+
+    QQuickStyle::setStyle("AGL");
+
+    QCommandLineParser parser;
+    parser.addPositionalArgument("port", app.translate("main", "port for binding"));
+    parser.addPositionalArgument("secret", app.translate("main", "secret for binding"));
+    parser.addHelpOption();
+    parser.addVersionOption();
+    parser.process(app);
+    QStringList positionalArguments = parser.positionalArguments();
+
+    qmlRegisterType<Camera>("Camera", 1, 0, "Camera");
+
+    QQmlApplicationEngine engine;
+    int port = 0;
+    if (positionalArguments.length() == 2) {
+        port = positionalArguments.takeFirst().toInt();
+    }
+    QString secret = positionalArguments.takeFirst();
+    QUrl bindingAddressWS;
+    bindingAddressWS.setScheme(QStringLiteral("ws"));
+    bindingAddressWS.setHost(QStringLiteral("localhost"));
+    bindingAddressWS.setPort(port);
+    bindingAddressWS.setPath(QStringLiteral("/api"));
+    QUrlQuery query;
+    query.addQueryItem(QStringLiteral("token"), secret);
+    bindingAddressWS.setQuery(query);
+    QQmlContext *context = engine.rootContext();
+    AppVisible appVisible;
+    context->setContextProperty(QStringLiteral("appVisible"), &appVisible);
+    context->setContextProperty(QStringLiteral("bindingAddressWS"), bindingAddressWS);
+
+    DBus dbus;
+    engine.rootContext()->setContextProperty("dbus", &dbus);
+    engine.load(QUrl(QStringLiteral("qrc:/Als-meter-demo.qml")));
+
+    return app.exec();
+}
+
+#include "main.moc"