fix: After mounting the SMB folder, shutting down the network and cli…

…cking on the "Trash" directory will cause the file manager to freeze

When the network is disconnected, the main thread creates trash:///, which will query the root nodes of all trashes, causing a lag. The monitor that starts trash:/// lags

Log: After mounting the SMB folder, shutting down the network and clicking on the "Trash" directory will cause the file manager to freeze
Bug: https://pms.uniontech.com/bug-view-260029.html

src/plugins/filemanager/core/dfmplugin-core/utils/corehelper.cpp

@@ -6,6 +6,7 @@
 
 #include <dfm-base/base/schemefactory.h>
 #include <dfm-base/utils/universalutils.h>
+#include <dfm-base/utils/fileutils.h>
 
 #include <dfm-framework/event/event.h>
 
@@ -38,6 +39,11 @@ void CoreHelper::cd(quint64 windowId, const QUrl &url)
     fmInfo() << "cd to " << url;
     window->cd(url);
 
+    if (UniversalUtils::urlEquals(url, FileUtils::trashRootUrl())) {
+        window->setWindowTitle(QCoreApplication::translate("PathManager", "Trash"));
+        return;
+    }
+
     QUrl titleUrl { url };
     QList<QUrl> urls {};
     bool ok = UniversalUtils::urlsTransformToLocal({ titleUrl }, &urls);

src/plugins/filemanager/core/dfmplugin-titlebar/utils/crumbinterface.cpp

@@ -8,6 +8,8 @@
 #include <dfm-base/base/urlroute.h>
 #include <dfm-base/base/schemefactory.h>
 #include <dfm-base/dfm_global_defines.h>
+#include <dfm-base/utils/universalutils.h>
+#include <dfm-base/utils/fileutils.h>
 
 #include <dfm-framework/event/event.h>
 
@@ -83,8 +85,13 @@ QList<CrumbData> CrumbInterface::seprateUrl(const QUrl &url)
         QStringList pathList { curUrl.path().split("/") };
         QString displayText = pathList.isEmpty() ? "" : pathList.last();
         if (curUrl.scheme() == Global::Scheme::kTrash) {
-            auto info = InfoFactory::create<FileInfo>(curUrl);
-            displayText = info ? info->displayOf(DisPlayInfoType::kFileDisplayName) : displayText;
+            if (UniversalUtils::urlEquals(curUrl, FileUtils::trashRootUrl())) {
+                displayText = QCoreApplication::translate("PathManager", "Trash");
+            } else {
+                auto info = InfoFactory::create<FileInfo>(curUrl);
+                displayText = info ? info->displayOf(DisPlayInfoType::kFileDisplayName) : displayText;
+            }
+
         }
         CrumbData data { curUrl, displayText};
         if (UrlRoute::isRootUrl(curUrl))

src/plugins/filemanager/core/dfmplugin-trash/private/trashdiriterator_p.h

@@ -32,6 +32,7 @@ class TrashDirIteratorPrivate
     QUrl currentUrl;
     QMap<QString, QString> fstabMap;
     FileInfoPointer fileInfo{nullptr};
+    std::atomic_bool once{ false };
 };
 
 }

src/plugins/filemanager/core/dfmplugin-trash/trashdiriterator.cpp

@@ -58,6 +58,10 @@ bool TrashDirIterator::hasNext() const
         return has;
 
     if (d->dEnumerator) {
+        if (!d->once)
+            TrashHelper::instance()->onTrashNotEmptyState();
+
+        d->once = true;
         const QUrl &urlNext = d->dEnumerator->next();
         d->fileInfo = InfoFactory::create<FileInfo>(urlNext);
         if (d->fileInfo) {

src/plugins/filemanager/core/dfmplugin-trash/utils/trashhelper.cpp

@@ -104,12 +104,7 @@ bool TrashHelper::showTopWidget(QWidget *w, const QUrl &url)
 {
     Q_UNUSED(w)
 
-    auto rootUrl = TrashHelper::rootUrl();
-    if (UniversalUtils::urlEquals(url, rootUrl) && !FileUtils::trashIsEmpty()) {
-        return true;
-    } else {
-        return false;
-    }
+    return false;
 }
 
 QUrl TrashHelper::transToTrashFile(const QString &filePath)
@@ -324,6 +319,20 @@ void TrashHelper::onTrashEmptyState() {
     }
 }
 
+void TrashHelper::onTrashNotEmptyState()
+{
+    isTrashEmpty = false;
+    const QList<quint64> &windowIds = FMWindowsIns.windowIdList();
+    for (const quint64 winId : windowIds) {
+        auto window = FMWindowsIns.findWindowById(winId);
+        if (window) {
+            const QUrl &url = window->currentUrl();
+            if (url.scheme() == scheme())
+                TrashEventCaller::sendShowEmptyTrash(winId, !isTrashEmpty);
+        }
+    }
+}
+
 TrashHelper::TrashHelper(QObject *parent)
     : QObject(parent)
 {

src/plugins/filemanager/core/dfmplugin-trash/utils/trashhelper.h

@@ -69,6 +69,7 @@ class TrashHelper final : public QObject
     bool customColumnRole(const QUrl &rootUrl, QList<DFMGLOBAL_NAMESPACE::ItemRoles> *roleList);
     bool customRoleDisplayName(const QUrl &url, const DFMGLOBAL_NAMESPACE::ItemRoles role, QString *displayName);
     void onTrashEmptyState();
+    void onTrashNotEmptyState();
 
 private:
     void onTrashStateChanged();