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#include "diskstreamingframecontent.h"
#include <settings.h>
#include <limits>
namespace GUI
{
DiskstreamingframeContent::DiskstreamingframeContent(Widget* parent,
Settings& settings,
SettingsNotifier& settings_notifier)
: Widget(parent)
, slider_width{250}
, settings(settings)
, settings_notifier(settings_notifier)
{
label_text.setText("Cache limit (max memory usage):");
label_text.setAlignment(TextAlignment::center);
button.setText("Apply");
button.setEnabled(false);
label_value.setText("0 MB");
label_value.setAlignment(TextAlignment::center);
CONNECT(this, settings_notifier.disk_cache_upper_limit,
this, &DiskstreamingframeContent::limitSettingsValueChanged);
CONNECT(&slider, valueChangedNotifier,
this, &DiskstreamingframeContent::limitValueChanged);
CONNECT(&button, clickNotifier,
this, &DiskstreamingframeContent::reloadClicked);
CONNECT(this, settings_notifier.reload_counter,
this, &DiskstreamingframeContent::reloaded);
}
void DiskstreamingframeContent::resize(std::size_t width, std::size_t height)
{
Widget::resize(width, height);
int slider_button_gap = 10;
slider_width = 0.8 * width;
button_width = std::max((int)width - slider_width - slider_button_gap, 0);
label_text.move(0, 0);
slider.move(0, 20);
button.move(slider_width + slider_button_gap, 10);
label_value.move(0, 40);
label_text.resize(slider_width, 15);
slider.resize(slider_width, 15);
button.resize(button_width, 30);
label_value.resize(slider_width, 15);
button.setEnabled(false);
}
void DiskstreamingframeContent::limitSettingsValueChanged(std::size_t value)
{
float new_slider_value = (float)(value - min_limit)/(max_limit - min_limit);
slider.setValue(new_slider_value);
if (new_slider_value < 0.99) {
int value_in_mb = value/(1024 * 1024);
label_value.setText(std::to_string(value_in_mb) + " MB");
slider.setColour(Slider::Colour::Blue);
}
else {
label_value.setText("Unlimited");
slider.setColour(Slider::Colour::Grey);
}
button.setEnabled(true);
}
void DiskstreamingframeContent::limitValueChanged(float value)
{
std::size_t new_limit = value < 0.99 ?
value * (max_limit - min_limit) + min_limit :
std::numeric_limits<std::size_t>::max();
settings.disk_cache_upper_limit.store(new_limit);
}
void DiskstreamingframeContent::reloadClicked()
{
settings.reload_counter++;
}
void DiskstreamingframeContent::reloaded(std::size_t)
{
button.setEnabled(false);
}
}
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