Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 83 insertions, 0 deletions

diff --git a/kuickshow/src/filecache.cpp b/kuickshow/src/filecache.cpp
new file mode 100644
index 00000000..c1c1affe
--- /dev/null
+++ b/kuickshow/src/filecache.cpp
@@ -0,0 +1,83 @@
+#include <unistd.h>
+
+#include <qstring.h>
+
+#include <kdebug.h>
+#include <kstandarddirs.h>
+#include <ktempdir.h>
+
+#include "filecache.h"
+
+FileCache * FileCache::s_self;
+
+FileCache::FileCache()
+    : m_limit( 0 ),
+      m_tempDir( 0L )
+{
+    m_files.setAutoDelete( true );
+    m_files.setMaxCost( 100 ); // good default? ### make configurable?
+}
+
+FileCache::~FileCache()
+{
+    delete m_tempDir;
+}
+
+void FileCache::shutdown()
+{
+    if ( s_self )
+    {
+        delete s_self;
+        s_self = 0L;
+    }
+}
+
+FileCache * FileCache::self()
+{
+    if ( !s_self )
+        s_self = new FileCache();
+    return s_self;
+}
+
+KuickFile * FileCache::getFile( const KURL& url )
+{
+    QString urlString = url.prettyURL();
+    KuickFile *file = m_files.find( urlString );
+    if ( !file ) {
+        file = new KuickFile( url );
+        m_files.insert( urlString, file );
+    }
+    
+    return file;
+}
+
+QString FileCache::tempDir()
+{
+    if ( !m_tempDir ) {
+        m_tempDir = createTempDir();
+
+        if ( !m_tempDir ) {
+            kdWarning() << "Unable to create temporary directory for KuickShow" << endl;
+            return QString::null;
+        }
+    }
+    
+    return m_tempDir->name();
+}
+
+
+KTempDir * FileCache::createTempDir()
+{
+    QString tmpName = QString::fromLatin1( KGlobal::instance()->instanceName() );
+    tmpName.append( QString::number( getpid() ) );
+    QString dirName = locateLocal( "tmp", tmpName );
+    KTempDir *dir = new KTempDir( dirName );
+    dir->setAutoDelete( true );
+    if ( dir->status() != 0L )
+    {
+        delete dir;
+        return 0L;
+    }
+
+    return dir;
+}