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-rw-r--r--noncore/multimedia/opieplayer2/singleton.h49
-rw-r--r--noncore/multimedia/opieplayer2/skin.cpp58
-rw-r--r--noncore/multimedia/opieplayer2/skin.h52
3 files changed, 155 insertions, 4 deletions
diff --git a/noncore/multimedia/opieplayer2/singleton.h b/noncore/multimedia/opieplayer2/singleton.h
new file mode 100644
index 0000000..35b3dff
--- a/dev/null
+++ b/noncore/multimedia/opieplayer2/singleton.h
@@ -0,0 +1,49 @@
+#ifndef SINGLETON_H
+#define SINGLETON_H
+
+template <class Product>
+struct DefaultSingletonCreator
+{
+ static Product *create() { return new Product; }
+};
+
+template <class Product>
+struct NullSingletonCreator
+{
+ static Product *create() { return 0; }
+};
+
+template
+<
+ class T,
+ template <class> class Creator = DefaultSingletonCreator
+>
+class Singleton
+{
+public:
+ static T &self()
+ {
+ if ( !s_self )
+ s_self = Creator<T>::create();
+ return *s_self;
+ }
+
+protected:
+ Singleton()
+ { s_self = static_cast<T *>( this ); }
+ ~Singleton()
+ { s_self = 0; }
+
+private:
+ Singleton( const Singleton<T, Creator> &rhs );
+ Singleton<T, Creator> &operator=( const Singleton<T, Creator> &rhs );
+
+ static T *s_self;
+};
+
+template <class T, template <class> class Creator>
+T *Singleton<T, Creator>::s_self = 0;
+
+#endif // SINGLETON_H
+/* vim: et sw=4 ts=4
+ */
diff --git a/noncore/multimedia/opieplayer2/skin.cpp b/noncore/multimedia/opieplayer2/skin.cpp
index 8281b20..0de3023 100644
--- a/noncore/multimedia/opieplayer2/skin.cpp
+++ b/noncore/multimedia/opieplayer2/skin.cpp
@@ -5,4 +5,6 @@
#include <qpe/config.h>
+#include <assert.h>
+
Skin::Skin( const QString &name, const QString &fileNameInfix )
: m_fileNameInfix( fileNameInfix )
@@ -33,5 +35,5 @@ QImage Skin::backgroundImage() const
{
if ( m_backgroundImage.isNull() )
- m_backgroundImage = QImage( Resource::findPixmap( QString( "%1/background" ).arg( m_skinPath ) ) );
+ m_backgroundImage = SkinCache::self().loadImage( QString( "%1/background" ).arg( m_skinPath ) );
return m_backgroundImage;
}
@@ -40,5 +42,5 @@ QImage Skin::buttonUpImage() const
{
if ( m_buttonUpImage.isNull() )
- m_buttonUpImage = QImage( Resource::findPixmap( QString( "%1/skin%2_up" ).arg( m_skinPath ).arg( m_fileNameInfix ) ) );
+ m_buttonUpImage = SkinCache::self().loadImage( QString( "%1/skin%2_up" ).arg( m_skinPath ).arg( m_fileNameInfix ) );
return m_buttonUpImage;
}
@@ -47,5 +49,5 @@ QImage Skin::buttonDownImage() const
{
if ( m_buttonDownImage.isNull() )
- m_buttonDownImage = QImage( Resource::findPixmap( QString( "%1/skin%2_down" ).arg( m_skinPath ).arg( m_fileNameInfix ) ) );
+ m_buttonDownImage = SkinCache::self().loadImage( QString( "%1/skin%2_down" ).arg( m_skinPath ).arg( m_fileNameInfix ) );
return m_buttonDownImage;
}
@@ -87,5 +89,5 @@ QImage Skin::buttonMaskImage( const QString &fileName ) const
QString prefix = m_skinPath + QString::fromLatin1( "/skin%1_mask_" ).arg( m_fileNameInfix );
QString path = prefix + fileName + ".png";
- it = m_buttonMasks.insert( fileName, QImage( Resource::findPixmap( path ) ) );
+ it = m_buttonMasks.insert( fileName, SkinCache::self().loadImage( path ) );
}
return *it;
@@ -99,4 +101,52 @@ QString Skin::defaultSkinName()
}
+SkinCache::SkinCache()
+{
+ m_cache.setAutoDelete( true );
+}
+
+QImage SkinCache::loadImage( const QString &name )
+{
+ ThreadUtil::AutoLock lock( m_cacheGuard );
+
+ QImage *image = m_cache.find( name );
+ if ( image ) {
+ qDebug( "cache hit for %s", name.ascii() );
+ return *image;
+ }
+
+ image = new QImage( Resource::findPixmap( name ) );
+ m_cache.insert( name, image );
+ return *image;
+}
+
+SkinLoader::SkinLoader()
+{
+}
+
+void SkinLoader::schedule( const QString &skinName, const QString &fileNameInfix,
+ const MediaWidget::SkinButtonInfo *skinButtonInfo, const uint buttonCount )
+{
+ assert( isRunning() == false );
+
+ pendingSkins << Info( skinName, fileNameInfix, skinButtonInfo, buttonCount );
+}
+
+void SkinLoader::run()
+{
+ qDebug( "SkinLoader::run()" );
+ for ( InfoList::ConstIterator it = pendingSkins.begin(); it != pendingSkins.end(); ++it )
+ load( *it );
+ qDebug( "SkinLoader is done." );
+}
+
+void SkinLoader::load( const Info &nfo )
+{
+ qDebug( "preloading %s with infix %s", nfo.skinName.ascii(), nfo.fileNameInfix.ascii() );
+
+ Skin skin( nfo.skinName, nfo.fileNameInfix );
+ skin.preload( nfo.skinButtonInfo, nfo.buttonCount );
+}
+
/* vim: et sw=4 ts=4
*/
diff --git a/noncore/multimedia/opieplayer2/skin.h b/noncore/multimedia/opieplayer2/skin.h
index 58f1849..c15d9dc 100644
--- a/noncore/multimedia/opieplayer2/skin.h
+++ b/noncore/multimedia/opieplayer2/skin.h
@@ -5,6 +5,9 @@
#include <qimage.h>
#include <qmap.h>
+#include <qdict.h>
#include "mediawidget.h"
+#include "threadutil.h"
+#include "singleton.h"
class Skin
@@ -46,4 +49,53 @@ private:
};
+class SkinCache : public Singleton<SkinCache>
+{
+public:
+ SkinCache();
+
+ QImage loadImage( const QString &name );
+
+private:
+ typedef QDict<QImage> ImageCache;
+
+ ImageCache m_cache;
+
+ ThreadUtil::Mutex m_cacheGuard;
+};
+
+class SkinLoader : public ThreadUtil::Thread
+{
+public:
+ SkinLoader();
+
+ void schedule( const QString &skinName, const QString &fileNameInfix,
+ const MediaWidget::SkinButtonInfo *skinButtonInfo, const uint buttonCount );
+
+protected:
+ virtual void run();
+
+private:
+ struct Info
+ {
+ Info() : skinButtonInfo( 0 ), buttonCount( 0 ) {}
+ Info( const QString &_skinName, const QString &_fileNameInfix,
+ const MediaWidget::SkinButtonInfo *_skinButtonInfo, const uint _buttonCount )
+ : skinName( _skinName ), fileNameInfix( _fileNameInfix ),
+ skinButtonInfo( _skinButtonInfo ), buttonCount( _buttonCount )
+ {}
+
+ const QString skinName;
+ const QString fileNameInfix;
+ const MediaWidget::SkinButtonInfo *skinButtonInfo;
+ const uint buttonCount;
+ };
+ typedef QValueList<Info> InfoList;
+
+ void load( const Info &nfo );
+
+ InfoList pendingSkins;
+ ThreadUtil::Mutex guard;
+};
+
#endif // SKIN_H
/* vim: et sw=4 ts=4