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>

gui/spkstretchlayout.cpp

@@ -87,4 +87,6 @@ void SpkStretchLayout::setGeometry(const QRect &rect)
                (i / countPerLine) * (size.height() + spacing()) + spc + origin.y());
     o->setGeometry(geo);
   }
+
+//  qDebug() << rect;
 }

inc/page/spkpagesettings.h

@@ -3,6 +3,8 @@
 
 #include <QScrollArea>
 #include <QVBoxLayout>
+#include <QFutureWatcher>
+#include <QMutex>
 #include "page/spkpagebase.h"
 #include "ui_settings.h"
 
@@ -20,17 +22,35 @@ namespace SpkUi
       void ReadConfiguration();
       void SaveConfiguration();
 
+      void CountCleaning();
+
       virtual void Activated() override;
 
     private slots:
+      void on_btnCleanDownloadedContent_clicked();
+      void on_btnCleanResourceCache_clicked();
+      void on_btnViewDownloadedContent_clicked();
+      void on_btnViewResourceCache_clicked();
+
+      void CountFinishResource();
+      void CountFinishDownload();
+      void CleanedResource();
+      void CleanedDownload();
 
     private:
       QScrollArea *mMainArea;
       QVBoxLayout *mMainLay;
       QWidget *mSettingsWidget;
-      Ui::SpkUiSettings *mSettingsUi;
+      Ui::SpkUiSettings *ui;
 
       QString mRepoListUrl;
 
+      QFutureWatcher<void>  mFwResourceCount,
+                            mFwDownloadCount,
+                            mFwResourceClean,
+                            mFwDownloadClean;
+      QMutex mMutResource, mMutDownload;
+      int64_t mBytesResource, mBytesDownloads;
+
   };
 }

lang/zh.ts

@@ -408,7 +408,7 @@ Right now we are not just a Chinese group. We are discovering our way into more
     <message>
         <location filename="../gui/spkimgviewer.cpp" line="23"/>
         <source>Image Preview</source>
-        <translation type="unfinished"></translation>
+        <translation>图片预览</translation>
     </message>
 </context>
 <context>
@@ -798,29 +798,47 @@ to use terminal for program output.</source>
 <context>
     <name>SpkUi::SpkPageSettings</name>
     <message>
-        <location filename="../gui/page/spkpagesettings.cpp" line="74"/>
+        <location filename="../gui/page/spkpagesettings.cpp" line="89"/>
         <source>Cannot change distribution servers.
 There&apos;s probably still downloads going on.</source>
         <translation>无法更改分发服务器。
 可能是因为还有下载正在进行。</translation>
     </message>
     <message>
-        <location filename="../gui/page/spkpagesettings.cpp" line="76"/>
+        <location filename="../gui/page/spkpagesettings.cpp" line="91"/>
         <source>Cannot set distribution server</source>
         <translation>无法设置分发服务器</translation>
     </message>
     <message>
-        <location filename="../gui/page/spkpagesettings.cpp" line="80"/>
+        <location filename="../gui/page/spkpagesettings.cpp" line="95"/>
         <source>Auto mode can only be used when DDE plugin is loaded.
 Option change is not applied.</source>
         <translation>自动模式只能在DDE插件加载时使用。
 选项更改未应用。</translation>
     </message>
     <message>
-        <location filename="../gui/page/spkpagesettings.cpp" line="82"/>
+        <location filename="../gui/page/spkpagesettings.cpp" line="97"/>
         <source>Cannot set theme mode</source>
         <translation>无法设置主题模式</translation>
     </message>
+    <message>
+        <location filename="../gui/page/spkpagesettings.cpp" line="103"/>
+        <location filename="../gui/page/spkpagesettings.cpp" line="104"/>
+        <source>Counting...</source>
+        <translation>正在统计……</translation>
+    </message>
+    <message>
+        <location filename="../gui/page/spkpagesettings.cpp" line="143"/>
+        <location filename="../gui/page/spkpagesettings.cpp" line="148"/>
+        <source>Cleaned</source>
+        <translation>已清理</translation>
+    </message>
+    <message>
+        <location filename="../gui/page/spkpagesettings.cpp" line="182"/>
+        <location filename="../gui/page/spkpagesettings.cpp" line="205"/>
+        <source>Cleaning...</source>
+        <translation>清理中……</translation>
+    </message>
 </context>
 <context>
     <name>SpkUi::SpkPopup</name>
@@ -939,11 +957,15 @@ Option change is not applied.</source>
         <source>Manual</source>
         <translation>手动</translation>
     </message>
+    <message>
+        <source>Download path</source>
+        <translation type="vanished">下载路径</translation>
+    </message>
     <message>
         <location filename="../gui/page/ui/settings.ui" line="239"/>
         <location filename="../build/ui_settings.h" line="400"/>
-        <source>Download path</source>
+        <source>Download path*</source>
-        <translation>下载路径</translation>
+        <translation>下载路径*</translation>
     </message>
     <message>
         <location filename="../gui/page/ui/settings.ui" line="246"/>