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path: root/homescreen/src/homescreenhandler.cpp
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/*
 * Copyright (c) 2017, 2018, 2019 TOYOTA MOTOR CORPORATION
 *
 * 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 <QGuiApplication>
#include <QFileInfo>
#include "homescreenhandler.h"
#include <functional>
#include "hmi-debug.h"

#include <qpa/qplatformnativeinterface.h>

#define APPLAUNCH_DBUS_IFACE     "org.automotivelinux.AppLaunch"
#define APPLAUNCH_DBUS_OBJECT    "/org/automotivelinux/AppLaunch"

void* HomescreenHandler::myThis = 0;

HomescreenHandler::HomescreenHandler(Shell *_aglShell, ApplicationLauncher *launcher, QObject *parent) :
    QObject(parent),
    aglShell(_aglShell)
{
    mp_launcher = launcher;
    applaunch_iface = new org::automotivelinux::AppLaunch(APPLAUNCH_DBUS_IFACE, APPLAUNCH_DBUS_OBJECT,
                                                          QDBusConnection::sessionBus(), this);
}

HomescreenHandler::~HomescreenHandler()
{
}

void HomescreenHandler::init(void)
{
    myThis = this;

    /*
     * The "started" signal is received any time a start request is made to applaunchd,
     * and the application either starts successfully or is already running. This
     * effectively acts as a "switch to app X" action.
     */
    connect(applaunch_iface, SIGNAL(started(QString)), this, SLOT(appStarted(QString)));
    connect(applaunch_iface, SIGNAL(terminated(QString)), this, SLOT(appTerminated(QString)));

}

static struct wl_output *
getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
{
	void *output = native->nativeResourceForScreen("output", screen);
	return static_cast<struct ::wl_output*>(output);
}

void HomescreenHandler::tapShortcut(QString application_id)
{
    HMI_DEBUG("HomeScreen","tapShortcut %s", application_id.toStdString().c_str());

    QDBusPendingReply<> reply = applaunch_iface->start(application_id);
    reply.waitForFinished();
    if (reply.isError()) {
        HMI_ERROR("HomeScreen","Unable to start application '%s': %s",
            application_id.toStdString().c_str(),
            reply.error().message().toStdString().c_str());
    } else {
        if (mp_launcher) {
            mp_launcher->setCurrent(application_id);
        }
        appStarted(application_id);
    }
}

void HomescreenHandler::appStarted(const QString& application_id)
{
    struct agl_shell *agl_shell = aglShell->shell.get();
    QPlatformNativeInterface *native = qApp->platformNativeInterface();
    struct wl_output *output = getWlOutput(native, qApp->screens().first());

    HMI_DEBUG("HomeScreen", "Activating application %s", application_id.toStdString().c_str());
    agl_shell_activate_app(agl_shell, application_id.toStdString().c_str(), output);
}

void HomescreenHandler::appTerminated(const QString& application_id)
{
    HMI_DEBUG("HomeScreen", "Application %s terminated, activating launcher", application_id.toStdString().c_str());
    appStarted("launcher");
}