mirror of
https://github.com/KDE/krfb
synced 2026-07-01 15:51:18 -07:00
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/* This file is part of the KDE project
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SPDX-FileCopyrightText: 2009 Collabora Ltd <info@collabora.co.uk>
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SPDX-FileContributor: George Goldberg <george.goldberg@collabora.co.uk>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "framebuffermanager.h"
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#include "framebufferplugin.h"
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#include "krfbconfig.h"
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#include "krfbdebug.h"
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#include <QGuiApplication>
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#include <QGlobalStatic>
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#include <KPluginFactory>
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#include <KPluginMetaData>
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class FrameBufferManagerStatic
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{
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public:
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FrameBufferManager instance;
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};
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Q_GLOBAL_STATIC(FrameBufferManagerStatic, frameBufferManagerStatic)
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FrameBufferManager::FrameBufferManager()
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{
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const auto platformFilter = [] (const KPluginMetaData &pluginData) {
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return pluginData.value(QStringLiteral("X-KDE-OnlyShowOnQtPlatforms"), QStringList()).contains(QGuiApplication::platformName());
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};
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const QList<KPluginMetaData> plugins = KPluginMetaData::findPlugins(QStringLiteral("krfb/framebuffer"), platformFilter, KPluginMetaData::AllowEmptyMetaData);
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for (const KPluginMetaData &data : plugins) {
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const KPluginFactory::Result<FrameBufferPlugin> result = KPluginFactory::instantiatePlugin<FrameBufferPlugin>(data);
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if (result.plugin) {
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m_plugins.insert(data.pluginId(), result.plugin);
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qCDebug(KRFB) << "Loaded plugin with name " << data.pluginId();
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} else {
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qCDebug(KRFB) << "unable to load plugin for " << data.fileName() << result.errorString;
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}
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}
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}
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FrameBufferManager::~FrameBufferManager()
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{
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}
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FrameBufferManager *FrameBufferManager::instance()
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{
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return &frameBufferManagerStatic->instance;
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}
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QSharedPointer<FrameBuffer> FrameBufferManager::frameBuffer(WId id, const QVariantMap &args)
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{
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// See if there is still an existing framebuffer to this WId.
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if (m_frameBuffers.contains(id)) {
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QWeakPointer<FrameBuffer> weakFrameBuffer = m_frameBuffers.value(id);
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if (weakFrameBuffer) {
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//qDebug() << "Found cached frame buffer.";
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return weakFrameBuffer.toStrongRef();
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} else {
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//qDebug() << "Found deleted cached frame buffer. Don't use.";
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m_frameBuffers.remove(id);
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}
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}
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if (auto preferredPlugin = m_plugins.value(KrfbConfig::preferredFrameBufferPlugin())) {
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if (auto frameBuffer = QSharedPointer<FrameBuffer>(preferredPlugin->frameBuffer(args))) {
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qCDebug(KRFB) << "Using FrameBuffer:" << KrfbConfig::preferredFrameBufferPlugin();
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m_frameBuffers.insert(id, frameBuffer.toWeakRef());
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return frameBuffer;
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}
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}
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// We don't already have that frame buffer.
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for (auto it = m_plugins.cbegin(); it != m_plugins.constEnd(); it++) {
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QSharedPointer<FrameBuffer> frameBuffer(it.value()->frameBuffer(args));
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if (frameBuffer) {
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qCDebug(KRFB) << "Using FrameBuffer:" << it.key();
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m_frameBuffers.insert(id, frameBuffer.toWeakRef());
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return frameBuffer;
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}
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}
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// No valid framebuffer plugin found.
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qCDebug(KRFB) << "No valid framebuffer found. returning null.";
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return QSharedPointer<FrameBuffer>();
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}
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