From 9e4aad6b3bc3c1b4781a3c1cef6968640d4f6e67 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Sat, 13 Apr 2013 22:41:07 -0500
Subject: Add initial media device free space overlay to Konqueror icon view

---
 konqueror/iconview/konq_iconview.cc | 76 +++++++++++++++++++++++++++++++++++++
 konqueror/iconview/konq_iconview.h  |  5 +++
 konqueror/iconview/konq_iconview.rc |  1 +
 3 files changed, 82 insertions(+)

(limited to 'konqueror')

diff --git a/konqueror/iconview/konq_iconview.cc b/konqueror/iconview/konq_iconview.cc
index a7bb5a812..1ac7b2eb5 100644
--- a/konqueror/iconview/konq_iconview.cc
+++ b/konqueror/iconview/konq_iconview.cc
@@ -40,6 +40,7 @@
 #include <ktrader.h>
 #include <tdelocale.h>
 #include <kivdirectoryoverlay.h>
+#include <kivfreespaceoverlay.h>
 #include <tdemessagebox.h>
 #include <kstaticdeleter.h>
 
@@ -217,6 +218,9 @@ KonqKfmIconView::KonqKfmIconView( TQWidget *parentWidget, TQObject *parent, cons
     m_paDirectoryOverlays = new TDEToggleAction( i18n( "&Folder Icons Reflect Contents" ), 0, this, TQT_SLOT( slotShowDirectoryOverlays() ),
                                       actionCollection(), "show_directory_overlays" );
 
+    m_paFreeSpaceOverlays = new TDEToggleAction( i18n( "&Media Icons Reflect Free Space" ), 0, this, TQT_SLOT( slotShowFreeSpaceOverlays() ),
+                                      actionCollection(), "show_free_space_overlays" );
+
     m_pamPreview = new TDEActionMenu( i18n( "&Preview" ), actionCollection(), "iconview_preview" );
 
     m_paEnablePreviews = new TDEToggleAction( i18n("Enable Previews"), 0, actionCollection(), "iconview_preview_all" );
@@ -517,6 +521,27 @@ void KonqKfmIconView::slotShowDirectoryOverlays()
     m_pIconView->updateContents();
 }
 
+void KonqKfmIconView::slotShowFreeSpaceOverlays()
+{
+    bool show = !m_pProps->isShowingFreeSpaceOverlays();
+
+    m_pProps->setShowingFreeSpaceOverlays( show );
+
+    for ( TQIconViewItem *item = m_pIconView->firstItem(); item; item = item->nextItem() )
+    {
+        KFileIVI* kItem = static_cast<KFileIVI*>(item);
+        if ( !kItem->item()->isDir() ) continue;
+
+        if (show) {
+            showFreeSpaceOverlay(kItem);
+        } else {
+            kItem -> setShowFreeSpaceOverlay(false);
+        }
+    }
+
+    m_pIconView->updateContents();
+}
+
 void KonqKfmIconView::slotSelect()
 {
     bool ok;
@@ -978,6 +1003,9 @@ void KonqKfmIconView::slotNewItems( const KFileItemList& entries )
         if ( fileItem->isDir() && m_pProps->isShowingDirectoryOverlays() ) {
             showDirectoryOverlay(item);
         }
+        if ( fileItem->mimetype().startsWith("media/") && m_pProps->isShowingFreeSpaceOverlays() ) {
+            showFreeSpaceOverlay(item);
+        }
 
         TQString key;
 
@@ -1074,6 +1102,25 @@ void KonqKfmIconView::showDirectoryOverlay(KFileIVI* item)
     }
 }
 
+void KonqKfmIconView::showFreeSpaceOverlay(KFileIVI* item)
+{
+    KFileItem* fileItem = item->item();
+
+    if ( TDEGlobalSettings::showFilePreview( fileItem->url() ) ) {
+        m_paOutstandingOverlays.append(item);
+        if (m_paOutstandingOverlays.count() == 1)
+        {
+           if (!m_paOutstandingOverlaysTimer)
+           {
+              m_paOutstandingOverlaysTimer = new TQTimer(this);
+              connect(m_paOutstandingOverlaysTimer, TQT_SIGNAL(timeout()),
+                      TQT_SLOT(slotFreeSpaceOverlayStart()));
+           }
+           m_paOutstandingOverlaysTimer->start(20, true);
+        }
+    }
+}
+
 void KonqKfmIconView::slotDirectoryOverlayStart()
 {
     do
@@ -1094,6 +1141,26 @@ void KonqKfmIconView::slotDirectoryOverlayStart()
     } while (true);
 }
 
+void KonqKfmIconView::slotFreeSpaceOverlayStart()
+{
+    do
+    {
+       KFileIVI* item = m_paOutstandingOverlays.first();
+       if (!item)
+          return; // Nothing to do
+
+       KIVFreeSpaceOverlay* overlay = item->setShowFreeSpaceOverlay( true );
+
+       if (overlay)
+       {
+          connect( overlay, TQT_SIGNAL( finished() ), this, TQT_SLOT( slotFreeSpaceOverlayFinished() ) );
+          overlay->start(); // Watch out, may emit finished() immediately!!
+          return; // Let it run....
+       }
+       m_paOutstandingOverlays.removeFirst();
+    } while (true);
+}
+
 void KonqKfmIconView::slotDirectoryOverlayFinished()
 {
     m_paOutstandingOverlays.removeFirst();
@@ -1102,6 +1169,14 @@ void KonqKfmIconView::slotDirectoryOverlayFinished()
         m_paOutstandingOverlaysTimer->start(0, true); // Don't call directly to prevent deep recursion.
 }
 
+void KonqKfmIconView::slotFreeSpaceOverlayFinished()
+{
+    m_paOutstandingOverlays.removeFirst();
+
+    if (m_paOutstandingOverlays.count() > 0)
+        m_paOutstandingOverlaysTimer->start(0, true); // Don't call directly to prevent deep recursion.
+}
+
 // see also KDesktop::slotRefreshItems
 void KonqKfmIconView::slotRefreshItems( const KFileItemList& entries )
 {
@@ -1302,6 +1377,7 @@ bool KonqKfmIconView::doOpenURL( const KURL & url )
     {
       m_paDotFiles->setChecked( m_pProps->isShowingDotFiles() );
       m_paDirectoryOverlays->setChecked( m_pProps->isShowingDirectoryOverlays() );
+      m_paFreeSpaceOverlays->setChecked( m_pProps->isShowingFreeSpaceOverlays() );
       m_paEnablePreviews->setChecked( m_pProps->isShowingPreview() );
       for ( m_paPreviewPlugins.first(); m_paPreviewPlugins.current(); m_paPreviewPlugins.next() )
       {
diff --git a/konqueror/iconview/konq_iconview.h b/konqueror/iconview/konq_iconview.h
index c05362b9d..d66cc4cc8 100644
--- a/konqueror/iconview/konq_iconview.h
+++ b/konqueror/iconview/konq_iconview.h
@@ -76,6 +76,7 @@ public:
 public slots:
   void slotPreview( bool toggle );
   void slotShowDirectoryOverlays();
+  void slotShowFreeSpaceOverlays();
   void slotShowDot();
   void slotSelect();
   void slotUnselect();
@@ -120,7 +121,9 @@ protected slots:
   virtual void slotClear();
   virtual void slotRedirection( const KURL & );
   virtual void slotDirectoryOverlayStart();
+  virtual void slotFreeSpaceOverlayStart();
   virtual void slotDirectoryOverlayFinished();
+  virtual void slotFreeSpaceOverlayFinished();
 
   /**
    * This is the 'real' finished slot, where we emit the completed() signal
@@ -196,6 +199,7 @@ protected:
 
   TDEToggleAction *m_paDotFiles;
   TDEToggleAction *m_paDirectoryOverlays;
+  TDEToggleAction *m_paFreeSpaceOverlays;
   TDEToggleAction *m_paEnablePreviews;
   TQPtrList<KFileIVI> m_paOutstandingOverlays;
   TQTimer *m_paOutstandingOverlaysTimer;
@@ -226,6 +230,7 @@ protected:
 
   private:
   void showDirectoryOverlay(KFileIVI*  item);
+  void showFreeSpaceOverlay(KFileIVI*  item);
 };
 
 class IconViewBrowserExtension : public KonqDirPartBrowserExtension
diff --git a/konqueror/iconview/konq_iconview.rc b/konqueror/iconview/konq_iconview.rc
index 20551e0a7..4c0f95c99 100644
--- a/konqueror/iconview/konq_iconview.rc
+++ b/konqueror/iconview/konq_iconview.rc
@@ -36,6 +36,7 @@
   <Action name="iconview_preview" />
   <Action name="show_dot"/>
   <Action name="show_directory_overlays"/>
+  <Action name="show_free_space_overlays"/>
   <Separator/>
   <Action name="bgsettings"/>
  </Menu>
-- 
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