实现垃圾文件计数和清理

gui/page/spkpagesettings.cpp

@@ -1,4 +1,7 @@
 
+#include <QtConcurrent/QtConcurrentRun>
+#include <QMutexLocker>
+#include <QFutureWatcher>
 #include "spkutils.h"
 #include "page/spkpagesettings.h"
 #include "spkmsgbox.h"
@@ -11,9 +14,9 @@ namespace SpkUi
     mMainArea = new QScrollArea();
     mMainLay = new QVBoxLayout(this);
     mSettingsWidget = new QWidget(this);
-    mSettingsUi = new Ui::SpkUiSettings;
+    ui = new Ui::SpkUiSettings;
 
-    mSettingsUi->setupUi(mSettingsWidget);
+    ui->setupUi(mSettingsWidget);
 
     mMainLay->addWidget(mMainArea);
 
@@ -23,6 +26,25 @@ namespace SpkUi
     CFG->BindField("url/repo", &this->mRepoListUrl,
                    "https://d.store.deepinos.org.cn/store/server.list");
 
+    mBytesDownloads = mBytesResource = -1;
+
+    connect(&mFwResourceClean, &QFutureWatcher<void>::finished,
+            this, &SpkPageSettings::CleanedResource);
+    connect(&mFwResourceCount, &QFutureWatcher<void>::finished,
+            this, &SpkPageSettings::CountFinishResource);
+    connect(&mFwDownloadClean, &QFutureWatcher<void>::finished,
+            this, &SpkPageSettings::CleanedDownload);
+    connect(&mFwDownloadCount, &QFutureWatcher<void>::finished,
+            this, &SpkPageSettings::CountFinishDownload);
+    connect(ui->btnViewDownloadedContent, &QPushButton::clicked,
+            this, &SpkPageSettings::on_btnViewDownloadedContent_clicked);
+    connect(ui->btnViewResourceCache, &QPushButton::clicked,
+            this, &SpkPageSettings::on_btnViewResourceCache_clicked);
+    connect(ui->btnCleanDownloadedContent, &QPushButton::clicked,
+            this, &SpkPageSettings::on_btnCleanDownloadedContent_clicked);
+    connect(ui->btnCleanResourceCache, &QPushButton::clicked,
+            this, &SpkPageSettings::on_btnCleanResourceCache_clicked);
+
     SetupUi();
   }
 
@@ -33,8 +55,6 @@ namespace SpkUi
 
   void SpkPageSettings::SetupUi()
   {
-    auto ui = mSettingsUi;
-
     ui->lblSettingsTitle->setObjectName("styConfTitle");
     ui->lblCleanup->setObjectName("styConfTitle");
     ui->lblAdvanced->setObjectName("styConfTitle");
@@ -45,8 +65,6 @@ namespace SpkUi
 
   void SpkPageSettings::ReadConfiguration()
   {
-    auto ui = mSettingsUi;
-
     ui->spnConcurrentResDownloads->setValue(CFG->ReadField("resource/concurrent", 5).toInt());
     ui->edtApiUrl->setText(CFG->ReadField("url/api", "").toString());
     ui->edtResourceUrl->setText(CFG->ReadField("url/res", "").toString());
@@ -60,8 +78,6 @@ namespace SpkUi
 
   void SpkPageSettings::SaveConfiguration()
   {
-    auto ui = mSettingsUi;
-
     CFG->SetSettings("resource/concurrent", ui->spnConcurrentResDownloads->value());
     CFG->SetField("url/api", ui->edtApiUrl->text());
     CFG->SetField("url/res", ui->edtResourceUrl->text());
@@ -69,7 +85,6 @@ namespace SpkUi
     CFG->SetField("dirs/download", ui->edtDownloadPath->text());
     CFG->SetSettings("internal/qss_path", ui->edtQssPath->text());
     CFG->SetField("url/repo", ui->edtRepoListUrl->text());
-
     if(!CFG->SetField("download/servers", ui->edtDownloadServers->toPlainText()))
       SpkMsgBox::StaticExec(tr("Cannot change distribution servers.\n"
                                "There's probably still downloads going on."),
@@ -83,8 +98,128 @@ namespace SpkUi
                             QMessageBox::Warning);
   }
 
+  void SpkPageSettings::CountCleaning()
+  {
+    ui->lblSizeDownloadedContent->setText(tr("Counting..."));
+    ui->lblSizeResourceCache->setText(tr("Counting..."));
+    auto futureDownload = QtConcurrent::run([&]()
+      {
+        QDirIterator itr(ui->edtDownloadPath->text().replace('*', QDir::homePath()),
+                         QDirIterator::Subdirectories);
+        if(mMutDownload.tryLock(0))
+        {
+          int64_t size = 0;
+          while(itr.hasNext())
+          {
+            QFile f(itr.next());
+            size += f.size();
+          }
+          mBytesDownloads = size;
+          mMutDownload.unlock();
+        }
+      });
+    auto futureResource = QtConcurrent::run([&]()
+    {
+      QDirIterator itr(ui->edtResourceCachePath->text().replace('*', QDir::homePath()),
+                       QDirIterator::Subdirectories);
+      if(mMutResource.tryLock((0)))
+      {
+        int64_t size = 0;
+        while(itr.hasNext())
+        {
+          QFile f(itr.next());
+          size += f.size();
+        }
+        mBytesResource = size;
+        mMutResource.unlock();
+      }
+    });
+    mFwDownloadCount.setFuture(futureDownload);
+    mFwResourceCount.setFuture(futureResource);
+  }
+
+  void SpkPageSettings::CleanedResource()
+  {
+    ui->lblSizeResourceCache->setText(tr("Cleaned"));
+  }
+
+  void SpkPageSettings::CleanedDownload()
+  {
+    ui->lblSizeDownloadedContent->setText(tr("Cleaned"));
+  }
+
   void SpkPageSettings::Activated()
   {
     ReadConfiguration();
+    CountCleaning();
   }
+
+  void SpkPageSettings::CountFinishResource()
+  {
+    if(mBytesResource >= 0)
+      ui->lblSizeResourceCache->setText(SpkUtils::BytesToSize(mBytesResource));
+  }
+
+  void SpkPageSettings::CountFinishDownload()
+  {
+    if(mBytesDownloads >= 0)
+      ui->lblSizeDownloadedContent->setText(SpkUtils::BytesToSize(mBytesDownloads));
+  }
+
+  void SpkPageSettings::on_btnViewResourceCache_clicked()
+  {
+    QDesktopServices::openUrl(ui->edtResourceCachePath->text().replace('*', QDir::homePath()));
+  }
+
+  void SpkPageSettings::on_btnViewDownloadedContent_clicked()
+  {
+    QDesktopServices::openUrl(ui->edtDownloadPath->text().replace('*', QDir::homePath()));
+  }
+
+
+void SpkPageSettings::on_btnCleanResourceCache_clicked()
+{
+  ui->lblSizeResourceCache->setText(tr("Cleaning..."));
+  auto future = QtConcurrent::run([&]()
+    {
+      QDirIterator itr(ui->edtResourceCachePath->text().replace('*', QDir::homePath()),
+                       QDirIterator::Subdirectories);
+      if(mMutDownload.tryLock(0))
+      {
+        int64_t size = 0;
+        while(itr.hasNext())
+        {
+          QFile f(itr.next());
+          f.remove();
+        }
+        mBytesDownloads = size;
+        mMutDownload.unlock();
+      }
+    });
+  mFwResourceClean.setFuture(future);
+}
+
+
+void SpkPageSettings::on_btnCleanDownloadedContent_clicked()
+{
+  ui->lblSizeDownloadedContent->setText(tr("Cleaning..."));
+  auto futureDownload = QtConcurrent::run([&]()
+    {
+      QDirIterator itr(ui->edtDownloadPath->text().replace('*', QDir::homePath()),
+                       QDirIterator::Subdirectories);
+      if(mMutDownload.tryLock(0))
+      {
+        int64_t size = 0;
+        while(itr.hasNext())
+        {
+          QFile f(itr.next());
+          f.remove();
+        }
+        mBytesDownloads = size;
+        mMutDownload.unlock();
+      }
+    });
+  mFwDownloadClean.setFuture(futureDownload);
+}
+
 }

gui/page/ui/settings.ui

@@ -236,7 +236,7 @@
         <number>-1</number>
        </property>
        <property name="text">
-        <string>Download path</string>
+        <string>Download path*</string>
        </property>
       </widget>
      </item>