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/*
* Copyright (C) 2018-2020,2022 Konsulko Group
*
* 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 <QDebug>
#include "RadioClient.h"
#include "RadioGrpcClient.h"
RadioClient::RadioClient(QQmlContext *context, QObject * parent) :
QObject(parent),
m_band(1),
m_frequency(0),
m_minFrequency(0),
m_maxFrequency(0),
m_playing(false),
m_scanning(false)
{
m_radio = new RadioGrpcClient(this);
if (m_radio) {
m_radio->GetBandParameters(m_band, m_minFrequency, m_maxFrequency, m_frequencyStep);
emit minFrequencyChanged(m_minFrequency);
emit maxFrequencyChanged(m_maxFrequency);
emit frequencyStepChanged(m_frequencyStep);
// Handle start up
if (!m_frequency) {
m_frequency = m_minFrequency;
emit frequencyChanged(m_frequency);
}
}
}
RadioClient::~RadioClient()
{
delete m_radio;
}
void RadioClient::setBand(int band)
{
if (m_radio)
m_radio->SetBand(band);
}
void RadioClient::setFrequency(int frequency)
{
if (!m_radio)
return;
m_radio->SetFrequency(frequency);
// To improve UI responsiveness, signal the change here immediately
// This fixes visual glitchiness in the slider caused by the frequency
// update event taking long enough that the QML engine gets a chance
// to update the slider with the current value before the event with
// the new value comes.
m_frequency = frequency;
emit frequencyChanged(m_frequency);
}
// control related methods
void RadioClient::start()
{
if (m_radio)
m_radio->Start();
}
void RadioClient::stop()
{
if (m_radio)
m_radio->Stop();
}
void RadioClient::scanForward()
{
if (!m_radio || m_scanning)
return;
m_radio->ScanForward();
m_scanning = true;
emit scanningChanged(m_scanning);
}
void RadioClient::scanBackward()
{
if (!m_radio || m_scanning)
return;
m_radio->ScanBackward();
m_scanning = true;
emit scanningChanged(m_scanning);
}
void RadioClient::scanStop()
{
if (m_radio)
m_radio->ScanStop();
m_scanning = false;
emit scanningChanged(m_scanning);
}
void RadioClient::updateBand(int band)
{
m_band = band;
emit bandChanged(m_band);
}
void RadioClient::updateFrequency(int frequency)
{
m_frequency = frequency;
emit frequencyChanged(m_frequency);
}
void RadioClient::updatePlaying(bool status)
{
m_playing = status;
emit playingChanged(m_playing);
}
void RadioClient::updateScanning(int station_found)
{
if (station_found && m_scanning) {
m_scanning = false;
emit scanningChanged(m_scanning);
}
}
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