Qt: input manager and media info cleanup continues.

The code seems to be in a better shape now, and removes duplicates calls.
However: there seems to be a few issues left:
 - If you open the MediaInfo Dialog before an input, it doesn't fill after
 - If you stop, the MediaInfo doesn't clean itself.

modules/gui/qt4/components/info_panels.cpp

@@ -22,6 +22,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
@@ -30,9 +31,9 @@
 #include "components/info_panels.hpp"
 #include "components/interface_widgets.hpp"
 
+#include <assert.h>
+
 #include <QTreeWidget>
-#include <QListView>
-#include <QPushButton>
 #include <QHeaderView>
 #include <QList>
 #include <QStringList>
@@ -40,7 +41,6 @@
 #include <QLineEdit>
 #include <QLabel>
 #include <QSpinBox>
-#include <QTabWidget>
 
 /************************************************************************
  * Single panels
@@ -153,13 +153,13 @@ MetaPanel::MetaPanel( QWidget *parent,
     b_inEditMode = false;
 }
 
-MetaPanel::~MetaPanel(){}
-
 /**
  * Update all the MetaData and art on an "item-changed" event
  **/
 void MetaPanel::update( input_item_t *p_item )
 {
+    if( !p_item ) clear();
+
     /* Don't update if you are in edit mode */
     if( b_inEditMode ) return;
     else p_input = p_item;
@@ -354,6 +354,8 @@ ExtraMetaPanel::ExtraMetaPanel( QWidget *parent,
  **/
 void ExtraMetaPanel::update( input_item_t *p_item )
 {
+    if( !p_item ) clear();
+
     QStringList tempItem;
     QList<QTreeWidgetItem *> items;
 
@@ -418,15 +420,13 @@ InfoPanel::InfoPanel( QWidget *parent,
      layout->addWidget(InfoTree, 1, 0 );
 }
 
-InfoPanel::~InfoPanel()
-{
-}
-
 /**
  * Update the Codecs information on parent->update()
  **/
 void InfoPanel::update( input_item_t *p_item)
 {
+    if( !p_item ) clear();
+
     InfoTree->clear();
     QTreeWidgetItem *current_item = NULL;
     QTreeWidgetItem *child_item = NULL;
@@ -546,13 +546,6 @@ InputStatsPanel::InputStatsPanel( QWidget *parent,
     StatsTree->setColumnWidth( 1 , 200 );
 
     layout->addWidget(StatsTree, 1, 0 );
-
-    CONNECT( THEMIM->getIM() , statisticsUpdated( input_item_t* ),
-            this, update( input_item_t* ) );
-}
-
-InputStatsPanel::~InputStatsPanel()
-{
 }
 
 /**
@@ -560,6 +553,7 @@ InputStatsPanel::~InputStatsPanel()
  **/
 void InputStatsPanel::update( input_item_t *p_item )
 {
+    assert( p_item );
     vlc_mutex_lock( &p_item->p_stats->lock );
 
 #define UPDATE( widget, format, calc... ) \
@@ -599,3 +593,4 @@ input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps */
 void InputStatsPanel::clear()
 {
 }
+

modules/gui/qt4/components/info_panels.hpp

@@ -34,7 +34,6 @@
 #include <vlc_meta.h>
 
 #include <QWidget>
-#include <QLabel>
 
 #include <limits.h>
 
@@ -56,7 +55,6 @@ class MetaPanel: public QWidget
     Q_OBJECT;
 public:
     MetaPanel( QWidget *, intf_thread_t * );
-    virtual ~MetaPanel();
     void saveMeta();
 
     bool isInEditMode();
@@ -100,7 +98,6 @@ class ExtraMetaPanel: public QWidget
     Q_OBJECT;
 public:
     ExtraMetaPanel( QWidget *, intf_thread_t * );
-    virtual  ~ExtraMetaPanel() {};
 private:
     intf_thread_t *p_intf;
     QTreeWidget *extraMetaTree;
@@ -114,7 +111,6 @@ class InputStatsPanel: public QWidget
     Q_OBJECT;
 public:
     InputStatsPanel( QWidget *, intf_thread_t * );
-    virtual ~InputStatsPanel();
 private:
     intf_thread_t *p_intf;
 
@@ -151,7 +147,6 @@ class InfoPanel: public QWidget
     Q_OBJECT;
 public:
     InfoPanel( QWidget *, intf_thread_t * );
-    virtual ~InfoPanel();
 private:
     intf_thread_t *p_intf;
     QTreeWidget *InfoTree;

modules/gui/qt4/dialogs/mediainfo.cpp

 /*****************************************************************************
  * mediainfo.cpp : Information about an item
  ****************************************************************************
- * Copyright (C) 2006-2007 the VideoLAN team
+ * Copyright (C) 2006-2008 the VideoLAN team
  * $Id$
  *
  * Authors: Clément Stenac <zorglub@videolan.org>
@@ -21,6 +21,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  ******************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
@@ -89,19 +90,33 @@ MediaInfoDialog::MediaInfoDialog( intf_thread_t *_p_intf,
     CONNECT( MP, uriSet( QString ), uriLine, setText( QString ) );
     CONNECT( MP, editing(), saveMetaButton, show() );
 
+    /* Display the buttonBar according to the Tab selected */
     CONNECT( infoTabW, currentChanged( int ), this, updateButtons( int ) );
 
     /* If using the General Mode */
     if( isMainInputInfo )
     {
         msg_Dbg( p_intf, "Using a general info windows" );
+        /**
+         * Connects on the various signals of input_Manager
+         * For the currently playing element
+         **/
+        CONNECT( THEMIM, infoChanged( input_item_t* ),
+                 IP, update( input_item_t* ) );
+        CONNECT( THEMIM, metaChanged( input_item_t* ),
+                 MP, update( input_item_t* ) );
+        CONNECT( THEMIM, metaChanged( input_item_t* ),
+                 EMP, update( input_item_t* ) );
+        CONNECT( THEMIM, statisticsUpdated( input_item_t* ),
+                 ISP, update( input_item_t* ) );
+
         if( THEMIM->getInput() )
             p_item = input_GetItem( THEMIM->getInput() );
     }
     else
         msg_Dbg( p_intf, "Using an item specific info windows" );
 
-    /* Call update at start, so info is shown for a running input */
+    /* Call update at start, so info is filled up at begginning */
     if( p_item )
         updateAllTabs( p_item );
 
@@ -131,8 +146,7 @@ void MediaInfoDialog::updateAllTabs( input_item_t *p_item )
     MP->update( p_item );
     EMP->update( p_item );
 
-    if( isMainInputInfo )
-        ISP->update( p_item );
+    if( isMainInputInfo ) ISP->update( p_item );
 }
 
 void MediaInfoDialog::clearAllTabs()
@@ -140,6 +154,7 @@ void MediaInfoDialog::clearAllTabs()
     IP->clear();
     MP->clear();
     EMP->clear();
+
     if( isMainInputInfo ) ISP->clear();
 }
 

modules/gui/qt4/input_manager.cpp

@@ -101,38 +101,46 @@ void InputManager::setInput( input_thread_t *_p_input )
    p_input is released once here */
 void InputManager::delInput()
 {
-    if( p_input )
-    {
-        delCallbacks();
-        i_old_playing_status = END_S;
-        i_input_id = 0;
-        oldName    = "";
-        artUrl     = "";
-        b_video    = false;
-        timeA      = 0;
-        timeB      = 0;
-        emit positionUpdated( -1.0, 0 ,0 );
-        emit statusChanged( END_S );
-        emit nameChanged( "" );
-        emit artChanged( NULL );
-        emit rateChanged( INPUT_RATE_DEFAULT );
-        emit voutChanged( false );
-        emit chapterChanged( 0 );
-        emit titleChanged( 0 );
-        vlc_object_release( p_input );
-        p_input = NULL;
-        UpdateTeletext();
-    }
+    if( !p_input ) return;
+
+    delCallbacks();
+    i_old_playing_status = END_S;
+    i_input_id           = 0;
+    oldName              = "";
+    artUrl               = "";
+    b_video              = false;
+    timeA                = 0;
+    timeB                = 0;
+
+    emit positionUpdated( -1.0, 0 ,0 );
+    emit rateChanged( INPUT_RATE_DEFAULT ); /* TODO: Do we want this ? */
+    emit nameChanged( "" );
+    emit chapterChanged( 0 );
+    emit titleChanged( 0 );
+    emit statusChanged( END_S );
+
+    /* Reset InfoPanels but stats */
+    emit artChanged( NULL );
+    emit infoChanged( NULL );
+    emit metaChanged( NULL );
+
+    emit teletextPossible( false );
+    emit voutChanged( false );
+
+// FIXME    emit AtoBchanged( );
+    vlc_object_release( p_input ); /* FIXME: Can't we release sooner ? */
+
+    p_input = NULL;
 }
 
 /* Add the callbacks on Input. Self explanatory */
-void InputManager::addCallbacks()
+inline void InputManager::addCallbacks()
 {
     var_AddCallback( p_input, "intf-event", InputEvent, this );
 }
 
 /* Delete the callbacks on Input. Self explanatory */
-void InputManager::delCallbacks()
+inline void InputManager::delCallbacks()
 {
     var_DelCallback( p_input, "intf-event", InputEvent, this );
 }