mirror of
https://github.com/moonlight-stream/moonlight-qt
synced 2024-12-14 21:32:27 +00:00
131 lines
3.6 KiB
C++
131 lines
3.6 KiB
C++
#include "boxartmanager.h"
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#include "../path.h"
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#include <QImageReader>
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#include <QImageWriter>
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BoxArtManager::BoxArtManager(QObject *parent) :
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QObject(parent),
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m_BoxArtDir(Path::getBoxArtCacheDir()),
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m_ThreadPool(this)
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{
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// 4 is a good balance between fast loading for large
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// app grids and not crushing GFE with tons of requests
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// and causing UI jank from constantly stalling to decode
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// new images.
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m_ThreadPool.setMaxThreadCount(4);
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if (!m_BoxArtDir.exists()) {
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m_BoxArtDir.mkpath(".");
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}
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}
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QString
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BoxArtManager::getFilePathForBoxArt(NvComputer* computer, int appId)
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{
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QDir dir = m_BoxArtDir;
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// Create the cache directory if it did not already exist
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if (!dir.exists(computer->uuid)) {
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dir.mkdir(computer->uuid);
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}
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// Change to this computer's box art cache folder
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dir.cd(computer->uuid);
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// Try to open the cached file
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return dir.filePath(QString::number(appId) + ".png");
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}
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class NetworkBoxArtLoadTask : public QObject, public QRunnable
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{
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Q_OBJECT
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public:
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NetworkBoxArtLoadTask(BoxArtManager* boxArtManager, NvComputer* computer, NvApp& app)
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: m_Bam(boxArtManager),
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m_Computer(computer),
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m_App(app)
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{
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connect(this, &NetworkBoxArtLoadTask::boxArtFetchCompleted,
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boxArtManager, &BoxArtManager::handleBoxArtLoadComplete);
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}
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signals:
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void boxArtFetchCompleted(NvComputer* computer, NvApp app, QUrl image);
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private:
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void run()
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{
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QUrl image = m_Bam->loadBoxArtFromNetwork(m_Computer, m_App.id);
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if (image.isEmpty()) {
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// Give it another shot if it fails once
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image = m_Bam->loadBoxArtFromNetwork(m_Computer, m_App.id);
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}
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emit boxArtFetchCompleted(m_Computer, m_App, image);
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}
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BoxArtManager* m_Bam;
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NvComputer* m_Computer;
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NvApp m_App;
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};
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QUrl BoxArtManager::loadBoxArt(NvComputer* computer, NvApp& app)
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{
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// Try to open the cached file if it exists and contains data
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QFile cacheFile(getFilePathForBoxArt(computer, app.id));
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if (cacheFile.exists() && cacheFile.size() > 0) {
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return QUrl::fromLocalFile(cacheFile.fileName());
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}
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// If we get here, we need to fetch asynchronously.
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// Kick off a worker on our thread pool to do just that.
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NetworkBoxArtLoadTask* netLoadTask = new NetworkBoxArtLoadTask(this, computer, app);
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m_ThreadPool.start(netLoadTask);
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// Return the placeholder then we can notify the caller
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// later when the real image is ready.
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return QUrl("qrc:/res/no_app_image.png");
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}
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void BoxArtManager::deleteBoxArt(NvComputer* computer)
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{
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QDir dir(Path::getBoxArtCacheDir());
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// Delete everything in this computer's box art directory
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if (dir.cd(computer->uuid)) {
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dir.removeRecursively();
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}
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}
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void BoxArtManager::handleBoxArtLoadComplete(NvComputer* computer, NvApp app, QUrl image)
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{
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if (!image.isEmpty()) {
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emit boxArtLoadComplete(computer, app, image);
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}
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}
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QUrl BoxArtManager::loadBoxArtFromNetwork(NvComputer* computer, int appId)
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{
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NvHTTP http(computer);
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QString cachePath = getFilePathForBoxArt(computer, appId);
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QImage image;
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try {
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image = http.getBoxArt(appId);
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} catch (...) {}
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// Cache the box art on disk if it loaded
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if (!image.isNull()) {
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if (image.save(cachePath)) {
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return QUrl::fromLocalFile(cachePath);
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}
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else {
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// A failed save() may leave a zero byte file. Make sure that's removed.
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QFile(cachePath).remove();
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}
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}
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return QUrl();
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}
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#include "boxartmanager.moc"
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