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Telegram/ThirdParty/fcitx5-qt/qt5/widgetsaddons/fcitxqtconfiguifactory.cpp

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+/*
+ * SPDX-FileCopyrightText: 2017~2017 CSSlayer <wengxt@gmail.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#include "fcitxqtconfiguifactory.h"
+#include "fcitxqtconfiguifactory_p.h"
+#include "fcitxqtconfiguiplugin.h"
+
+#include <QDebug>
+#include <QDir>
+#include <QLibrary>
+#include <QPluginLoader>
+#include <QStandardPaths>
+#include <fcitx-utils/i18n.h>
+#include <fcitx-utils/standardpath.h>
+
+namespace fcitx {
+
+namespace {
+
+constexpr char addonConfigPrefix[] = "fcitx://config/addon/";
+
+QString normalizePath(const QString &file) {
+    auto path = file;
+    if (path.startsWith(addonConfigPrefix)) {
+        path.remove(0, sizeof(addonConfigPrefix) - 1);
+    }
+    return path;
+}
+
+} // namespace
+
+FcitxQtConfigUIFactoryPrivate::FcitxQtConfigUIFactoryPrivate(
+    FcitxQtConfigUIFactory *factory)
+    : QObject(factory), q_ptr(factory) {}
+
+FcitxQtConfigUIFactoryPrivate::~FcitxQtConfigUIFactoryPrivate() {}
+
+FcitxQtConfigUIFactory::FcitxQtConfigUIFactory(QObject *parent)
+    : QObject(parent), d_ptr(new FcitxQtConfigUIFactoryPrivate(this)) {
+    Q_D(FcitxQtConfigUIFactory);
+    d->scan();
+}
+
+FcitxQtConfigUIFactory::~FcitxQtConfigUIFactory() {}
+
+FcitxQtConfigUIWidget *FcitxQtConfigUIFactory::create(const QString &file) {
+    Q_D(FcitxQtConfigUIFactory);
+
+    auto path = normalizePath(file);
+    auto loader = d->plugins_.value(path);
+    if (!loader) {
+        return nullptr;
+    }
+
+    auto instance =
+        qobject_cast<FcitxQtConfigUIFactoryInterface *>(loader->instance());
+    if (!instance) {
+        return nullptr;
+    }
+    return instance->create(path.section('/', 1));
+}
+
+bool FcitxQtConfigUIFactory::test(const QString &file) {
+    Q_D(FcitxQtConfigUIFactory);
+
+    auto path = normalizePath(file);
+    return d->plugins_.contains(path);
+}
+
+void FcitxQtConfigUIFactoryPrivate::scan() {
+    fcitx::StandardPath::global().scanFiles(
+        fcitx::StandardPath::Type::Addon, "qt5",
+        [this](const std::string &path, const std::string &dirPath, bool user) {
+            do {
+                if (user) {
+                    break;
+                }
+
+                QDir dir(QString::fromLocal8Bit(dirPath.c_str()));
+                QFileInfo fi(
+                    dir.filePath(QString::fromLocal8Bit(path.c_str())));
+
+                QString filePath = fi.filePath(); // file name with path
+                QString fileName = fi.fileName(); // just file name
+
+                if (!QLibrary::isLibrary(filePath)) {
+                    break;
+                }
+
+                QPluginLoader *loader = new QPluginLoader(filePath, this);
+                if (loader->metaData().value("IID") !=
+                    QLatin1String(FcitxQtConfigUIFactoryInterface_iid)) {
+                    delete loader;
+                    break;
+                }
+                auto metadata = loader->metaData().value("MetaData").toObject();
+                auto files = metadata.value("files").toVariant().toStringList();
+                auto addon = metadata.value("addon").toVariant().toString();
+                for (const auto &file : files) {
+                    plugins_[addon + "/" + file] = loader;
+                }
+            } while (0);
+            return true;
+        });
+}
+} // namespace fcitx