191 lines
7 KiB
C++
191 lines
7 KiB
C++
// For license of this file, see <project-root-folder>/LICENSE.md.
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#include "miscellaneous/skinfactory.h"
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#include "miscellaneous/application.h"
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#include <QDir>
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#include <QDomDocument>
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#include <QDomElement>
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#include <QStyleFactory>
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SkinFactory::SkinFactory(QObject* parent) : QObject(parent) {}
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void SkinFactory::loadCurrentSkin() {
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QList<QString> skin_names_to_try;
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skin_names_to_try.append(selectedSkinName());
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skin_names_to_try.append(APP_SKIN_DEFAULT);
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bool skin_parsed;
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Skin skin_data;
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QString skin_name;
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while (!skin_names_to_try.isEmpty()) {
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skin_name = skin_names_to_try.takeFirst();
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skin_data = skinInfo(skin_name, &skin_parsed);
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if (skin_parsed) {
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loadSkinFromData(skin_data);
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// Set this 'Skin' object as active one.
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m_currentSkin = skin_data;
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qDebug("Skin '%s' loaded.", qPrintable(skin_name));
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return;
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}
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else {
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qWarning("Failed to load skin '%s'.", qPrintable(skin_name));
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}
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}
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qCritical("Failed to load selected or default skin. Quitting!");
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}
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void SkinFactory::loadSkinFromData(const Skin& skin) {
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if (!skin.m_rawData.isEmpty()) {
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qApp->setStyleSheet(skin.m_rawData);
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}
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qApp->setStyle(qApp->settings()->value(GROUP(GUI), SETTING(GUI::Style)).toString());
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}
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void SkinFactory::setCurrentSkinName(const QString& skin_name) {
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qApp->settings()->setValue(GROUP(GUI), GUI::Skin, skin_name);
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}
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QString SkinFactory::customSkinBaseFolder() const {
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return qApp->userDataFolder() + QDir::separator() + APP_SKIN_USER_FOLDER;
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}
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QString SkinFactory::selectedSkinName() const {
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return qApp->settings()->value(GROUP(GUI), SETTING(GUI::Skin)).toString();
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}
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QString SkinFactory::adBlockedPage(const QString& subscription, const QString& rule) {
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const QString& adblocked = currentSkin().m_adblocked.arg(tr("This page was blocked by AdBlock"),
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tr(R"(Blocked by set: "%1"<br/>Blocked by filter: "%2")")
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.arg(subscription,
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rule));
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return currentSkin().m_layoutMarkupWrapper.arg(tr("This page was blocked by AdBlock"), adblocked);
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}
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Skin SkinFactory::skinInfo(const QString& skin_name, bool* ok) const {
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Skin skin;
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QStringList base_skin_folders;
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base_skin_folders.append(APP_SKIN_PATH);
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base_skin_folders.append(customSkinBaseFolder());
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while (!base_skin_folders.isEmpty()) {
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const QString skin_folder = base_skin_folders.takeAt(0) + QDir::separator() + skin_name + QDir::separator();
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const QString metadata_file = skin_folder + APP_SKIN_METADATA_FILE;
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if (QFile::exists(metadata_file)) {
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QFile skin_file(metadata_file);
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QDomDocument dokument;
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if (!skin_file.open(QIODevice::Text | QIODevice::ReadOnly) || !dokument.setContent(&skin_file, true)) {
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if (ok != nullptr) {
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*ok = false;
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}
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return skin;
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}
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const QDomNode skin_node = dokument.namedItem(QSL("skin"));
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// Obtain visible skin name.
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skin.m_visibleName = skin_name;
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// Obtain author.
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skin.m_author = skin_node.namedItem(QSL("author")).namedItem(QSL("name")).toElement().text();
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// Obtain email.
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skin.m_email = skin_node.namedItem(QSL("author")).namedItem(QSL("email")).toElement().text();
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// Obtain version.
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skin.m_version = skin_node.attributes().namedItem(QSL("version")).toAttr().value();
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// Obtain other information.
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skin.m_baseName = skin_name;
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// Obtain color palette.
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QHash<Skin::PaletteColors, QColor> palette;
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QDomNodeList colors_of_palette = skin_node.namedItem(QSL("palette")).toElement().elementsByTagName(QSL("color"));
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for (int i = 0; i < colors_of_palette.size(); i++) {
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QDomElement elem_clr = colors_of_palette.item(i).toElement();
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Skin::PaletteColors key = Skin::PaletteColors(elem_clr.attribute(QSL("key")).toInt());
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QColor value = elem_clr.text();
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if (value.isValid()) {
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palette.insert(key, value);
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}
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}
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skin.m_colorPalette = palette;
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// Free resources.
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skin_file.close();
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skin_file.deleteLater();
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// Here we use "/" instead of QDir::separator() because CSS2.1 url field
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// accepts '/' as path elements separator.
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//
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// "##" is placeholder for the actual path to skin file. This is needed for using
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// images within the QSS file.
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// So if one uses "##/images/border.png" in QSS then it is
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// replaced by fully absolute path and target file can
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// be safely loaded.
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skin.m_layoutMarkupWrapper = QString::fromUtf8(IOFactory::readFile(skin_folder + QL1S("html_wrapper.html")));
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skin.m_layoutMarkupWrapper = skin.m_layoutMarkupWrapper.replace(QSL("##"), APP_SKIN_PATH + QL1S("/") + skin_name);
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skin.m_enclosureImageMarkup = QString::fromUtf8(IOFactory::readFile(skin_folder + QL1S("html_enclosure_image.html")));
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skin.m_enclosureImageMarkup = skin.m_enclosureImageMarkup.replace(QSL("##"), APP_SKIN_PATH + QL1S("/") + skin_name);
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skin.m_layoutMarkup = QString::fromUtf8(IOFactory::readFile(skin_folder + QL1S("html_single_message.html")));
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skin.m_layoutMarkup = skin.m_layoutMarkup.replace(QSL("##"), APP_SKIN_PATH + QL1S("/") + skin_name);
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skin.m_enclosureMarkup = QString::fromUtf8(IOFactory::readFile(skin_folder + QL1S("html_enclosure_every.html")));
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skin.m_enclosureMarkup = skin.m_enclosureMarkup.replace(QSL("##"), APP_SKIN_PATH + QL1S("/") + skin_name);
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skin.m_rawData = QString::fromUtf8(IOFactory::readFile(skin_folder + QL1S("theme.css")));
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skin.m_rawData = skin.m_rawData.replace(QSL("##"), APP_SKIN_PATH + QL1S("/") + skin_name);
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skin.m_adblocked = QString::fromUtf8(IOFactory::readFile(skin_folder + QL1S("html_adblocked.html")));
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if (ok != nullptr) {
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*ok = !skin.m_author.isEmpty() && !skin.m_version.isEmpty() &&
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!skin.m_baseName.isEmpty() && !skin.m_email.isEmpty() &&
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!skin.m_layoutMarkup.isEmpty();
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}
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break;
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}
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}
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return skin;
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}
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QList<Skin> SkinFactory::installedSkins() const {
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QList<Skin> skins;
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bool skin_load_ok;
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QStringList skin_directories = QDir(APP_SKIN_PATH).entryList(QDir::Dirs |
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QDir::NoDotAndDotDot |
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QDir::NoSymLinks |
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QDir::Readable);
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skin_directories.append(QDir(customSkinBaseFolder()).entryList(QDir::Dirs |
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QDir::NoDotAndDotDot |
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QDir::NoSymLinks |
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QDir::Readable));
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foreach (const QString& base_directory, skin_directories) {
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const Skin skin_info = skinInfo(base_directory, &skin_load_ok);
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if (skin_load_ok) {
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skins.append(skin_info);
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}
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}
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return skins;
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}
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uint qHash(const Skin::PaletteColors& key) {
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return uint(key);
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}
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