added cache for cover paths

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1564 90c681e8-e032-0410-971d-27865f9a5e38

2 files changed, 12 insertions, 7 deletions

diff --git a/src/qmmp/metadatamanager.cpp b/src/qmmp/metadatamanager.cpp
index bcc7619cc..1c3653928 100644
--- a/src/qmmp/metadatamanager.cpp
+++ b/src/qmmp/metadatamanager.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2009 by Ilya Kotov                                      *
+ *   Copyright (C) 2009-2010 by Ilya Kotov                                 *
  *   forkotov02@hotmail.ru                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -184,7 +184,7 @@ bool MetaDataManager::supports(const QString &fileName) const
     return FALSE;
 }
 
-QPixmap MetaDataManager::getCover(const QString &url) const
+QPixmap MetaDataManager::getCover(const QString &url)
 {
     if(!url.contains("://") && m_settings->useCoverFiles())
     {
@@ -202,7 +202,7 @@ QPixmap MetaDataManager::getCover(const QString &url) const
     return QPixmap();
 }
 
-QString MetaDataManager::getCoverPath(const QString &url) const
+QString MetaDataManager::getCoverPath(const QString &url)
 {
     if(!m_settings->useCoverFiles())
         return QString();
@@ -219,8 +219,12 @@ QString MetaDataManager::getCoverPath(const QString &url) const
     else //local file
     {
         QString p = QFileInfo(url).absolutePath();
+        if(m_cover_cache.keys().contains(p))
+            return m_cover_cache.value(p);
         QFileInfoList l = findCoverFiles(p, m_settings->coverSearchDepth());
-        return l.isEmpty() ? QString() : l.at(0).filePath();
+        QString cover_path = l.isEmpty() ? QString() : l.at(0).filePath();
+        m_cover_cache.insert (p, cover_path);
+        return cover_path;
     }
     return QString();
 }
diff --git a/src/qmmp/metadatamanager.h b/src/qmmp/metadatamanager.h
index 30570d28b..c08bac2e8 100644
--- a/src/qmmp/metadatamanager.h
+++ b/src/qmmp/metadatamanager.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2009 by Ilya Kotov                                      *
+ *   Copyright (C) 2009-2010 by Ilya Kotov                                 *
  *   forkotov02@hotmail.ru                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -74,13 +74,13 @@ public:
      * Returns cover pixmap for the given file \b fileName,
      * or returns an empty pixmap if cover is not available.
      */
-    QPixmap getCover(const QString &fileName) const;
+    QPixmap getCover(const QString &fileName);
     /*!
      * Returns cover file path for the given file \b fileName, or returns
      * an empty string if cover file is not available. This function does not work
      * with embedded covers.
      */
-    QString getCoverPath(const QString &fileName) const;
+    QString getCoverPath(const QString &fileName);
     /*!
      * Returns a pointer to the MetaDataManager instance.
      */
@@ -92,6 +92,7 @@ private:
     QList <DecoderFactory *> *m_decoderFactories;
     QList <EngineFactory *> *m_engineFactories;
     QList <InputSourceFactory *> *m_inputSourceFactories;
+    QMap <QString, QString> m_cover_cache;
     QmmpSettings *m_settings;
     static MetaDataManager* m_instance;
 };