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[dolphin.git] / src / statusbar / statusbarspaceinfo.cpp

diff --git a/src/statusbar/statusbarspaceinfo.cpp b/src/statusbar/statusbarspaceinfo.cpp
index c9173b8f9ef2feee26d18ca34c8ed2dbda5cbe7b..4fb1f311e64976abfdadeb69df6e2b8a385488a0 100644 (file)
--- a/src/statusbar/statusbarspaceinfo.cpp
+++ b/src/statusbar/statusbarspaceinfo.cpp
@@ -1,113 +1,149 @@
-/***************************************************************************
- *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at) and              *
- *   and Patrice Tremblay                                                  *
- *                                                                         *
- *   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: 2006 Peter Penz (peter.penz@gmx.at) and Patrice Tremblay
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */

 
 #include "statusbarspaceinfo.h"
 
 
 #include "statusbarspaceinfo.h"
 

-#include <KDiskFreeSpaceInfo>
-#include <kmountpoint.h>
-#include <klocale.h>
-#include <kio/job.h>
+#include "config-dolphin.h"
+#include "diskspaceusagemenu.h"
+#include "spaceinfoobserver.h"

 
 

-#include <QTimer>
-#include <QKeyEvent>
+#include <KCapacityBar>
+#include <KIO/Global>
+#include <KLocalizedString>

 
 

-StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget* parent) :
-    KCapacityBar(KCapacityBar::DrawTextInline, parent),
-    m_kBSize(0),
-    m_timer(0)
-{
-    setMaximumWidth(200);
-    setMinimumWidth(200); // something to fix on kcapacitybar (ereslibre)
+#include <QHBoxLayout>
+#include <QToolButton>

 
 

-    // Use a timer to update the space information. Polling is useful
-    // here, as files can be deleted/added outside the scope of Dolphin.
-    m_timer = new QTimer(this);
-    connect(m_timer, SIGNAL(timeout()), this, SLOT(refresh()));
+StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget *parent)
+    : QWidget(parent)
+    , m_observer(nullptr)
+    , m_hasSpaceInfo{false}
+    , m_shown{false}
+{
+    hide(); // Only become visible when we have space info to show. @see StatusBarSpaceInfo::setShown().
+
+    m_capacityBar = new KCapacityBar(KCapacityBar::DrawTextInline, this);
+    m_textInfoButton = new QToolButton(this);
+    m_textInfoButton->setAutoRaise(true);
+    m_textInfoButton->setPopupMode(QToolButton::InstantPopup);
+    auto menu = new DiskSpaceUsageMenu{this};
+    connect(menu, &DiskSpaceUsageMenu::showMessage, this, &StatusBarSpaceInfo::showMessage);
+    connect(menu, &DiskSpaceUsageMenu::showInstallationProgress, this, &StatusBarSpaceInfo::showInstallationProgress);
+    m_textInfoButton->setMenu(menu);
+
+    auto layout = new QHBoxLayout(this);
+    // We reduce the outside margin of the flat button so it visually has the same margin as the status bar text label on the other end of the bar.
+    layout->setContentsMargins(2, -1, 0, -1); // "-1" makes it so the fixed height won't be ignored.
+    layout->addWidget(m_capacityBar);
+    layout->addWidget(m_textInfoButton);

 }
 
 StatusBarSpaceInfo::~StatusBarSpaceInfo()
 {
 }
 
 }
 
 StatusBarSpaceInfo::~StatusBarSpaceInfo()
 {
 }
 

-void StatusBarSpaceInfo::setUrl(const KUrl& url)
+void StatusBarSpaceInfo::setShown(bool shown)

 {
 {

-    m_url = url;
-    refresh();
+    m_shown = shown;
+    if (!m_shown) {
+        hide();
+        return;
+    }
+
+    // We only show() this widget in slotValueChanged() when it m_hasSpaceInfo.
+    if (m_observer.isNull()) {
+        m_observer.reset(new SpaceInfoObserver(m_url, this));
+        connect(m_observer.data(), &SpaceInfoObserver::valuesChanged, this, &StatusBarSpaceInfo::slotValuesChanged);
+    }
+
+    if (m_hasSpaceInfo) {
+        slotValuesChanged();
+    }

 }
 
 }
 

-void StatusBarSpaceInfo::showEvent(QShowEvent* event)
+void StatusBarSpaceInfo::setUrl(const QUrl &url)

 {
 {

-    KCapacityBar::showEvent(event);
-    if (!event->spontaneous()) {
-        refresh();
-        m_timer->start(10000);
+    if (m_url != url) {
+        m_url = url;
+        static_cast<DiskSpaceUsageMenu *>(m_textInfoButton->menu())->setUrl(url);
+        m_hasSpaceInfo = false;
+        if (m_observer) {
+            m_observer.reset(new SpaceInfoObserver(m_url, this));
+            connect(m_observer.data(), &SpaceInfoObserver::valuesChanged, this, &StatusBarSpaceInfo::slotValuesChanged);
+        }

     }
 }
 
     }
 }
 

-void StatusBarSpaceInfo::hideEvent(QHideEvent* event)
+QUrl StatusBarSpaceInfo::url() const

 {
 {

-    m_timer->stop();
-    KCapacityBar::hideEvent(event);
+    return m_url;

 }
 
 }
 

-void StatusBarSpaceInfo::refresh()
+void StatusBarSpaceInfo::update()

 {
 {

-    if (!isVisible()) {
-        return;
+    if (m_observer) {
+        m_observer->update();

     }
     }

+}

 
 

-    // KDiskFreeSpace is for local paths only
-    if (!m_url.isLocalFile()) {
-        setText(i18nc("@info:status", "Unknown size"));
-        setValue(0);
-        update();
-        return;
+void StatusBarSpaceInfo::showEvent(QShowEvent *event)
+{
+    if (m_shown && m_observer.isNull()) {
+        m_observer.reset(new SpaceInfoObserver(m_url, this));
+        connect(m_observer.data(), &SpaceInfoObserver::valuesChanged, this, &StatusBarSpaceInfo::slotValuesChanged);

     }
     }

+    QWidget::showEvent(event);
+}

 
 

-    KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(m_url.toLocalFile());
-    if (!mp) {
-        return;
+void StatusBarSpaceInfo::hideEvent(QHideEvent *event)
+{
+    if (m_hasSpaceInfo) {
+        m_observer.reset();
+        m_hasSpaceInfo = false;

     }
     }

+    QWidget::hideEvent(event);
+}

 
 

-    KDiskFreeSpaceInfo job = KDiskFreeSpaceInfo::freeSpaceInfo(mp->mountPoint());
-    if (!job.isValid()) {
-        setText(i18nc("@info:status", "Unknown size"));
-        setValue(0);
-        update();
+QSize StatusBarSpaceInfo::minimumSizeHint() const
+{
+    return QSize();
+}
+
+void StatusBarSpaceInfo::slotValuesChanged()
+{
+    Q_ASSERT(m_observer);
+    const quint64 size = m_observer->size();
+
+    if (!m_shown || size == 0) {
+        hide();

         return;
     }
 
         return;
     }
 

-    KIO::filesize_t kBSize = job.size() / 1024;
-    KIO::filesize_t kBUsed = job.used() / 1024;
+    m_hasSpaceInfo = true;
+
+    const quint64 available = m_observer->available();
+    const quint64 used = size - available;
+    const int percentUsed = qRound(100.0 * qreal(used) / qreal(size));

 
 

-    const bool valuesChanged = (kBUsed != static_cast<quint64>(value())) || (kBSize != m_kBSize);
-    if (valuesChanged) {
-        setText(i18nc("@info:status Free disk space", "%1 free",
-                KIO::convertSize(job.available())));
+    m_textInfoButton->setText(i18nc("@info:status Free disk space", "%1 free", KIO::convertSize(available)));
+    setToolTip(i18nc("tooltip:status Free disk space", "%1 free out of %2 (%3% used)", KIO::convertSize(available), KIO::convertSize(size), percentUsed));
+    m_textInfoButton->setToolTip(i18nc("@info:tooltip for the free disk space button",
+                                       "%1 free out of %2 (%3% used)\nPress to manage disk space usage.",
+                                       KIO::convertSize(available),
+                                       KIO::convertSize(size),
+                                       percentUsed));
+    setUpdatesEnabled(false);
+    m_capacityBar->setValue(percentUsed);
+    setUpdatesEnabled(true);

 
 

-        setUpdatesEnabled(false);
-        m_kBSize = kBSize;
-        setValue(kBSize > 0 ? (kBUsed * 100) / kBSize : 0);
-        setUpdatesEnabled(true);
+    if (!isVisible()) {
+        show();
+    } else {

         update();
     }
 }
 
         update();
     }
 }
 

-#include "statusbarspaceinfo.moc"
+#include "moc_statusbarspaceinfo.cpp"