kwin/src/colors/colormanager.cpp
Xaver Hugl 14e7afcb4e color management: refactor and move to its own directory
The pipeline stages are also now properly managed, which should prevent
use-after-free errors.

BUG: 453026
2022-04-26 16:20:47 +00:00

96 lines
2.3 KiB
C++

/*
SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "colormanager.h"
#include "colordevice.h"
#include "main.h"
#include "output.h"
#include "platform.h"
#include "session.h"
#include "utils/common.h"
namespace KWin
{
KWIN_SINGLETON_FACTORY(ColorManager)
class ColorManagerPrivate
{
public:
QVector<ColorDevice *> devices;
};
ColorManager::ColorManager(QObject *parent)
: QObject(parent)
, d(new ColorManagerPrivate)
{
Platform *platform = kwinApp()->platform();
Session *session = platform->session();
const QVector<Output *> outputs = platform->enabledOutputs();
for (Output *output : outputs) {
handleOutputEnabled(output);
}
connect(platform, &Platform::outputEnabled, this, &ColorManager::handleOutputEnabled);
connect(platform, &Platform::outputDisabled, this, &ColorManager::handleOutputDisabled);
connect(session, &Session::activeChanged, this, &ColorManager::handleSessionActiveChanged);
}
ColorManager::~ColorManager()
{
s_self = nullptr;
}
QVector<ColorDevice *> ColorManager::devices() const
{
return d->devices;
}
ColorDevice *ColorManager::findDevice(Output *output) const
{
auto it = std::find_if(d->devices.begin(), d->devices.end(), [&output](ColorDevice *device) {
return device->output() == output;
});
if (it != d->devices.end()) {
return *it;
}
return nullptr;
}
void ColorManager::handleOutputEnabled(Output *output)
{
ColorDevice *device = new ColorDevice(output, this);
d->devices.append(device);
Q_EMIT deviceAdded(device);
}
void ColorManager::handleOutputDisabled(Output *output)
{
auto it = std::find_if(d->devices.begin(), d->devices.end(), [&output](ColorDevice *device) {
return device->output() == output;
});
if (it == d->devices.end()) {
qCWarning(KWIN_CORE) << "Could not find any color device for output" << output;
return;
}
ColorDevice *device = *it;
d->devices.erase(it);
Q_EMIT deviceRemoved(device);
delete device;
}
void ColorManager::handleSessionActiveChanged(bool active)
{
if (!active) {
return;
}
for (ColorDevice *device : qAsConst(d->devices)) {
device->scheduleUpdate();
}
}
} // namespace KWin