Merge branch 'release/20.08'

[dolphin.git] / src / kitemviews / kfileitemmodelrolesupdater.cpp

diff --git a/src/kitemviews/kfileitemmodelrolesupdater.cpp b/src/kitemviews/kfileitemmodelrolesupdater.cpp
index bf2c84c4031ffa6346dc2e5813d6c7a0ea7b1007..6bbf2610c2dc542c3449cdfcbdba86a4754a912e 100644 (file)
--- a/src/kitemviews/kfileitemmodelrolesupdater.cpp
+++ b/src/kitemviews/kfileitemmodelrolesupdater.cpp
@@ -1,21 +1,8 @@
-/***************************************************************************
- *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 #include "kfileitemmodelrolesupdater.h"
 
@@ -44,7 +31,6 @@
 #include <QElapsedTimer>
 #include <QTimer>
 
-
 // #define KFILEITEMMODELROLESUPDATER_DEBUG
 
 namespace {
@@ -86,7 +72,8 @@ KFileItemModelRolesUpdater::KFileItemModelRolesUpdater(KFileItemModel* model, QO
     m_recentlyChangedItemsTimer(nullptr),
     m_recentlyChangedItems(),
     m_changedItems(),
-    m_directoryContentsCounter(nullptr)
+    m_directoryContentsCounter(nullptr),
+    m_localFileSizePreviewLimit(0)
   #ifdef HAVE_BALOO
   , m_balooFileMonitor(nullptr)
   #endif
@@ -95,6 +82,7 @@ KFileItemModelRolesUpdater::KFileItemModelRolesUpdater(KFileItemModel* model, QO
 
     const KConfigGroup globalConfig(KSharedConfig::openConfig(), "PreviewSettings");
     m_enabledPlugins = globalConfig.readEntry("Plugins", KIO::PreviewJob::defaultPlugins());
+    m_localFileSizePreviewLimit = static_cast<qulonglong>(globalConfig.readEntry("MaximumSize", 0));
 
     connect(m_model, &KFileItemModel::itemsInserted,
             this,    &KFileItemModelRolesUpdater::slotItemsInserted);
@@ -108,9 +96,9 @@ KFileItemModelRolesUpdater::KFileItemModelRolesUpdater(KFileItemModel* model, QO
             this,    &KFileItemModelRolesUpdater::slotSortRoleChanged);
 
     // Use a timer to prevent that each call of slotItemsChanged() results in a synchronous
-    // resolving of the roles. Postpone the resolving until no update has been done for 1 second.
+    // resolving of the roles. Postpone the resolving until no update has been done for 100 ms.
     m_recentlyChangedItemsTimer = new QTimer(this);
-    m_recentlyChangedItemsTimer->setInterval(1000);
+    m_recentlyChangedItemsTimer->setInterval(100);
     m_recentlyChangedItemsTimer->setSingleShot(true);
     connect(m_recentlyChangedItemsTimer, &QTimer::timeout, this, &KFileItemModelRolesUpdater::resolveRecentlyChangedItems);
 
@@ -318,6 +306,16 @@ QStringList KFileItemModelRolesUpdater::enabledPlugins() const
     return m_enabledPlugins;
 }
 
+void KFileItemModelRolesUpdater::setLocalFileSizePreviewLimit(const qlonglong size)
+{
+    m_localFileSizePreviewLimit = size;
+}
+
+qlonglong KFileItemModelRolesUpdater::localFileSizePreviewLimit() const
+{
+    return m_localFileSizePreviewLimit;
+}
+
 void KFileItemModelRolesUpdater::slotItemsInserted(const KItemRangeList& itemRanges)
 {
     QElapsedTimer timer;
@@ -750,7 +748,7 @@ void KFileItemModelRolesUpdater::applyChangedBalooRolesForItem(const KFileItem &
 #endif
 }
 
-void KFileItemModelRolesUpdater::slotDirectoryContentsCountReceived(const QString& path, int count)
+void KFileItemModelRolesUpdater::slotDirectoryContentsCountReceived(const QString& path, int count, long size)
 {
     const bool getSizeRole = m_roles.contains("size");
     const bool getIsExpandableRole = m_roles.contains("isExpandable");
@@ -761,17 +759,16 @@ void KFileItemModelRolesUpdater::slotDirectoryContentsCountReceived(const QStrin
             QHash<QByteArray, QVariant> data;
 
             if (getSizeRole) {
-                data.insert("size", count);
+                data.insert("count", count);
+                if (size != -1) {
+                    data.insert("size", QVariant::fromValue(size));
+                }
             }
             if (getIsExpandableRole) {
                 data.insert("isExpandable", count > 0);
             }
 
-            disconnect(m_model, &KFileItemModel::itemsChanged,
-                       this,    &KFileItemModelRolesUpdater::slotItemsChanged);
             m_model->setData(index, data);
-            connect(m_model, &KFileItemModel::itemsChanged,
-                    this,    &KFileItemModelRolesUpdater::slotItemsChanged);
         }
     }
 }
@@ -900,7 +897,7 @@ void KFileItemModelRolesUpdater::startPreviewJob()
 
     KIO::PreviewJob* job = new KIO::PreviewJob(itemSubSet, cacheSize, &m_enabledPlugins);
 
-    job->setIgnoreMaximumSize(itemSubSet.first().isLocalFile());
+    job->setIgnoreMaximumSize(itemSubSet.first().isLocalFile() && m_localFileSizePreviewLimit <= 0);
     if (job->uiDelegate()) {
         KJobWidgets::setWindow(job, qApp->activeWindow());
     }
@@ -997,7 +994,7 @@ void KFileItemModelRolesUpdater::applySortRole(int index)
         data.insert("type", item.mimeComment());
     } else if (m_model->sortRole() == "size" && item.isLocalFile() && item.isDir()) {
         const QString path = item.localPath();
-        data.insert("size", m_directoryContentsCounter->countDirectoryContentsSynchronously(path));
+        m_directoryContentsCounter->scanDirectory(path);
     } else {
         // Probably the sort role is a baloo role - just determine all roles.
         data = rolesData(item);
@@ -1070,7 +1067,7 @@ QHash<QByteArray, QVariant> KFileItemModelRolesUpdater::rolesData(const KFileIte
             // Tell m_directoryContentsCounter that we want to count the items
             // inside the directory. The result will be received in slotDirectoryContentsCountReceived.
             const QString path = item.localPath();
-            m_directoryContentsCounter->addDirectory(path);
+            m_directoryContentsCounter->scanDirectory(path);
         } else if (getSizeRole) {
             data.insert("size", -1); // -1 indicates an unknown number of items
         }