Differential D16095 Diff 43275 wallpapers/image/backgroundlistmodel.cpp

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wallpapers/image/backgroundlistmodel.cpp

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34#include <QMimeDatabase> 34​#include <QMimeDatabase>
35#include <QMimeType> 35​#include <QMimeType>
36#include <QMutex> 36​#include <QMutex>
37#include <QMutexLocker> 37​#include <QMutexLocker>
38 38​
39#include <QDebug> 39​#include <QDebug>
40#include <KIO/PreviewJob> 40​#include <KIO/PreviewJob>
41#include <KLocalizedString> 41​#include <KLocalizedString>
42#include <kimagecache.h> ​
43#include <kaboutdata.h> 42​#include <kaboutdata.h>
44 43​
45#include <KPackage/Package> 44​#include <KPackage/Package>
46#include <KPackage/PackageStructure> 45​#include <KPackage/PackageStructure>
47#include <KPackage/PackageLoader> 46​#include <KPackage/PackageLoader>
48 47​
49#include <KIO/OpenFileManagerWindowJob> 48​#include <KIO/OpenFileManagerWindowJob>
50 49​
Show All 14 Lines62{
65 Q_EMIT sizeFound(m_path, reader.size()); 64​ Q_EMIT sizeFound(m_path, reader.size());
66} 65​}
67 66​
68 67​
69BackgroundListModel::BackgroundListModel(Image *wallpaper, QObject *parent) 68​BackgroundListModel::BackgroundListModel(Image *wallpaper, QObject *parent)
70 : QAbstractListModel(parent), 69​ : QAbstractListModel(parent),
71 m_wallpaper(wallpaper) 70​ m_wallpaper(wallpaper)
72{ 71​{
72​ m_imageCache.setMaxCost(10 * 1024 * 1024); // 10 MiB
73​
73 connect(&m_dirwatch, &KDirWatch::deleted, this, &BackgroundListModel::removeBackground); 74​ connect(&m_dirwatch, &KDirWatch::deleted, this, &BackgroundListModel::removeBackground);
74 75​
75 //TODO: on Qt 4.4 use the ui scale factor 76​ //TODO: on Qt 4.4 use the ui scale factor
76 QFontMetrics fm(QGuiApplication::font()); 77​ QFontMetrics fm(QGuiApplication::font());
77 m_screenshotSize = fm.width('M') * 15; 78​ m_screenshotSize = fm.width('M') * 15;
78 ​
79 m_imageCache = new KImageCache(QStringLiteral("plasma_wallpaper_preview"), 10485760); ​
80} 79​}
81 80​
82BackgroundListModel::~BackgroundListModel() 81​BackgroundListModel::~BackgroundListModel() = default;
83{ ​
84 delete m_imageCache; ​
85} ​
86 82​
87QHash<int, QByteArray> BackgroundListModel::BackgroundListModel::roleNames() const 83​QHash<int, QByteArray> BackgroundListModel::BackgroundListModel::roleNames() const
88{ 84​{
89 return { 85​ return {
90 { Qt::DisplayRole, "display" }, 86​ { Qt::DisplayRole, "display" },
91 { Qt::DecorationRole, "decoration" }, 87​ { Qt::DecorationRole, "decoration" },
92 { AuthorRole, "author" }, 88​ { AuthorRole, "author" },
93 { ScreenshotRole, "screenshot" }, 89​ { ScreenshotRole, "screenshot" },
▲ Show 20 Lines • Show All 244 Lines • ▼ Show 20 Line(s)331 case Qt::DisplayRole: {
338 if (title.isEmpty()) { 334​ if (title.isEmpty()) {
339 return QFileInfo(b.filePath("preferred")).completeBaseName(); 335​ return QFileInfo(b.filePath("preferred")).completeBaseName();
340 } 336​ }
341 337​
342 return title; 338​ return title;
343 } 339​ }
344 340​
345 case ScreenshotRole: { 341​ case ScreenshotRole: {
346 QPixmap preview = QPixmap(QSize(m_screenshotSize*1.6, 342​ const QString path = b.filePath("preferred");
347 m_screenshotSize)); 343​
348 if (m_imageCache->findPixmap(b.filePath("preferred"), &preview)) { 344​ QPixmap *cachedPreview = m_imageCache.object(path);
349 return preview; 345​ if (cachedPreview) {
350 } 346​ return *cachedPreview;
351// qCDebug(IMAGEWALLPAPER) << "WP preferred: " << b.filePath("preferred"); 347​ }
352// qCDebug(IMAGEWALLPAPER) << "WP screenshot: " << b.filePath("screenshot"); 348​
353 QUrl file = QUrl::fromLocalFile(b.filePath("preferred")); 349​ const QUrl file = QUrl::fromLocalFile(path);
354 if (!m_previewJobs.contains(file) && file.isValid()) { 350​ if (!m_previewJobs.contains(file) && file.isValid()) {
355 351​
356 KFileItemList list; 352​ KFileItemList list;
357 list.append(KFileItem(file, QString(), 0)); 353​ list.append(KFileItem(file, QString(), 0));
358 QStringList availablePlugins = KIO::PreviewJob::availablePlugins(); 354​ QStringList availablePlugins = KIO::PreviewJob::availablePlugins();
359 KIO::PreviewJob* job = KIO::filePreview(list, 355​ KIO::PreviewJob* job = KIO::filePreview(list,
360 QSize(m_screenshotSize*1.6, 356​ QSize(m_screenshotSize*1.6,
361 m_screenshotSize), &availablePlugins); 357​ m_screenshotSize), &availablePlugins);
▲ Show 20 Lines • Show All 84 Lines • ▼ Show 20 Line(s)441 if (!index.isValid()) {
446 return; 442​ return;
447 } 443​ }
448 444​
449 KPackage::Package b = package(index.row()); 445​ KPackage::Package b = package(index.row());
450 if (!b.isValid()) { 446​ if (!b.isValid()) {
451 return; 447​ return;
452 } 448​ }
453 449​
454 m_imageCache->insertPixmap(b.filePath("preferred"), preview); 450​ const int cost = preview.width() * preview.height() * preview.depth() / 8;
451​ m_imageCache.insert(b.filePath("preferred"), new QPixmap(preview), cost);
452​
455 //qCDebug(IMAGEWALLPAPER) << "WP preview size:" << preview.size(); 453​ //qCDebug(IMAGEWALLPAPER) << "WP preview size:" << preview.size();
456 emit dataChanged(index, index); 454​ emit dataChanged(index, index);
457} 455​}
458 456​
459void BackgroundListModel::previewFailed(const KFileItem &item) 457​void BackgroundListModel::previewFailed(const KFileItem &item)
460{ 458​{
461 m_previewJobs.remove(item.url()); 459​ m_previewJobs.remove(item.url());
462} 460​}
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