watch user trash floder

Change-Id: I2f2fd86934b49e81c97a4b8c5c5f1850cc0c9f06

plugins/trash/popupcontrolwidget.cpp

@@ -3,27 +3,40 @@
 #include <QVBoxLayout>
 #include <QProcess>
 #include <QDebug>
-#include <QMouseEvent>
+#include <QDir>
 
 DWIDGET_USE_NAMESPACE
 
+const QString TrashDir = QDir::homePath() + "/.local/share/Trash/files";
+
 PopupControlWidget::PopupControlWidget(QWidget *parent)
     : QWidget(parent),
 
       m_openBtn(new DLinkButton(tr("Open"), this)),
-      m_clearBtn(new DLinkButton(tr("Clear"), this))
+      m_clearBtn(new DLinkButton(tr("Clear"), this)),
+
+      m_fsWatcher(new QFileSystemWatcher(this))
 {
+    m_fsWatcher->addPath(TrashDir);
+
     QVBoxLayout *centeralLayout = new QVBoxLayout;
     centeralLayout->addWidget(m_openBtn);
     centeralLayout->addWidget(m_clearBtn);
 
     connect(m_openBtn, &DLinkButton::clicked, this, &PopupControlWidget::openTrashFloder);
+    connect(m_clearBtn, &DLinkButton::clicked, this, &PopupControlWidget::clearTrashFloder);
+    connect(m_fsWatcher, &QFileSystemWatcher::directoryChanged, this, &PopupControlWidget::trashStatusChanged, Qt::QueuedConnection);
 
     setLayout(centeralLayout);
     setFixedWidth(80);
     setFixedHeight(60);
 }
 
+bool PopupControlWidget::empty() const
+{
+    return m_empty;
+}
+
 void PopupControlWidget::openTrashFloder()
 {
     QProcess *proc = new QProcess;
@@ -32,3 +45,25 @@ void PopupControlWidget::openTrashFloder()
 
     proc->startDetached("gvfs-open trash://");
 }
+
+void PopupControlWidget::clearTrashFloder()
+{
+    for (auto item : QDir(TrashDir).entryInfoList())
+    {
+        if (item.isFile())
+            QFile(item.fileName()).remove();
+        else if (item.isDir())
+            QDir(item.path()).removeRecursively();
+    }
+}
+
+void PopupControlWidget::trashStatusChanged()
+{
+    const bool empty = QDir(TrashDir).entryList().count() == 2;
+
+    if (m_empty == empty)
+        return;
+
+    m_empty = empty;
+    emit emptyChanged(m_empty);
+}

plugins/trash/popupcontrolwidget.h

@@ -2,6 +2,7 @@
 #define POPUPCONTROLWIDGET_H
 
 #include <QWidget>
+#include <QFileSystemWatcher>
 
 #include <dlinkbutton.h>
 
@@ -12,12 +13,23 @@ class PopupControlWidget : public QWidget
 public:
     explicit PopupControlWidget(QWidget *parent = 0);
 
+    bool empty() const;
+
+signals:
+    void emptyChanged(const bool empty) const;
+
 private slots:
     void openTrashFloder();
+    void clearTrashFloder();
+    void trashStatusChanged();
 
 private:
+    bool m_empty;
+
     Dtk::Widget::DLinkButton *m_openBtn;
     Dtk::Widget::DLinkButton *m_clearBtn;
+
+    QFileSystemWatcher *m_fsWatcher;
 };
 
 #endif // POPUPCONTROLWIDGET_H

plugins/trash/trashplugin.cpp

@@ -2,10 +2,8 @@
 
 TrashPlugin::TrashPlugin(QObject *parent)
     : QObject(parent),
-      m_trashWidget(new TrashWidget),
-      m_popupApplet(new PopupControlWidget)
+      m_trashWidget(new TrashWidget)
 {
-    m_popupApplet->setVisible(false);
 }
 
 const QString TrashPlugin::pluginName() const
@@ -31,7 +29,7 @@ QWidget *TrashPlugin::itemPopupApplet(const QString &itemKey)
 {
     Q_UNUSED(itemKey);
 
-    return m_popupApplet;
+    return m_trashWidget->popupApplet();
 }
 
 const QString TrashPlugin::itemCommand(const QString &itemKey)

plugins/trash/trashplugin.h

@@ -3,7 +3,6 @@
 
 #include "pluginsiteminterface.h"
 #include "trashwidget.h"
-#include "popupcontrolwidget.h"
 
 class TrashPlugin : public QObject, PluginsItemInterface
 {
@@ -23,7 +22,6 @@ public:
 
 private:
     TrashWidget *m_trashWidget;
-    PopupControlWidget *m_popupApplet;
 };
 
 #endif // TRASHPLUGIN_H

plugins/trash/trashwidget.cpp

@@ -4,9 +4,18 @@
 #include <QIcon>
 
 TrashWidget::TrashWidget(QWidget *parent)
-    : QWidget(parent)
+    : QWidget(parent),
+
+      m_popupApplet(new PopupControlWidget(this))
 {
     QIcon::setThemeName("deepin");
+
+    m_popupApplet->setVisible(false);
+}
+
+QWidget *TrashWidget::popupApplet()
+{
+    return m_popupApplet;
 }
 
 void TrashWidget::paintEvent(QPaintEvent *e)

plugins/trash/trashwidget.h

@@ -1,6 +1,8 @@
 #ifndef TRASHWIDGET_H
 #define TRASHWIDGET_H
 
+#include "popupcontrolwidget.h"
+
 #include <QWidget>
 
 class TrashWidget : public QWidget
@@ -10,8 +12,13 @@ class TrashWidget : public QWidget
 public:
     explicit TrashWidget(QWidget *parent = 0);
 
+    QWidget *popupApplet();
+
 protected:
     void paintEvent(QPaintEvent *e);
+
+private:
+    PopupControlWidget *m_popupApplet;
 };
 
 #endif // TRASHWIDGET_H