--- /dev/null
+/*****************************************************************************
+ * playlist_manager.cpp : wxWindows plugin for vlc
+ *****************************************************************************
+ * Copyright (C) 2000-2005 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Olivier Teulière <ipkiss@via.ecp.fr>
+ * Clément Stenac <zorglub@videolan.org>
+ * Gildas Bazin <gbazin@videolan.org>
+ *
+ * This program is free software; you can redistribute it and/OR MODIFy
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include "playlist_manager.hpp"
+#include "interface.hpp"
+
+#include "bitmaps/type_unknown.xpm"
+#include "bitmaps/type_afile.xpm"
+#include "bitmaps/type_vfile.xpm"
+#include "bitmaps/type_net.xpm"
+#include "bitmaps/type_card.xpm"
+#include "bitmaps/type_disc.xpm"
+#include "bitmaps/type_cdda.xpm"
+#include "bitmaps/type_directory.xpm"
+#include "bitmaps/type_playlist.xpm"
+#include "bitmaps/type_node.xpm"
+
+#include <wx/dynarray.h>
+#include <wx/imaglist.h>
+
+namespace wxvlc {
+/* Callback prototype */
+static int PlaylistChanged( vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void * );
+static int PlaylistNext( vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void * );
+static int ItemChanged( vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void * );
+static int ItemAppended( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param );
+static int ItemDeleted( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param );
+
+/*****************************************************************************
+ * Event Table.
+ *****************************************************************************/
+
+/* IDs for the controls and the menu commands */
+enum
+{
+ TreeCtrl_Event,
+
+ UpdateItem_Event,
+ AppendItem_Event,
+ RemoveItem_Event,
+};
+
+DEFINE_LOCAL_EVENT_TYPE( wxEVT_PLAYLIST );
+
+BEGIN_EVENT_TABLE(PlaylistManager, wxPanel)
+ /* Tree control events */
+ EVT_TREE_ITEM_ACTIVATED( TreeCtrl_Event, PlaylistManager::OnActivateItem )
+
+ /* Custom events */
+ EVT_COMMAND(-1, wxEVT_PLAYLIST, PlaylistManager::OnPlaylistEvent)
+END_EVENT_TABLE()
+
+/*****************************************************************************
+ * PlaylistItem class
+ ****************************************************************************/
+class PlaylistItem : public wxTreeItemData
+{
+public:
+ PlaylistItem( playlist_item_t *p_item ) : i_id(p_item->input.i_id) {}
+ int i_id;
+};
+
+/*****************************************************************************
+ * Constructor.
+ *****************************************************************************/
+PlaylistManager::PlaylistManager( intf_thread_t *_p_intf, wxWindow *p_parent ):
+ wxPanel( p_parent, -1, wxDefaultPosition, wxSize(500,300) )
+{
+ /* Initializations */
+ p_intf = _p_intf;
+ b_need_update = VLC_FALSE;
+ i_items_to_append = 0;
+ i_cached_item_id = -1;
+ i_update_counter = 0;
+
+ p_playlist = (playlist_t *)
+ vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
+ if( p_playlist == NULL ) return;
+
+ var_Create( p_intf, "random", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ var_Create( p_intf, "loop", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ var_Create( p_intf, "repeat", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );;
+
+ /* Create the tree */
+ treectrl = new wxTreeCtrl( this, TreeCtrl_Event,
+ wxDefaultPosition, wxDefaultSize,
+ wxTR_HIDE_ROOT | wxTR_LINES_AT_ROOT|
+ wxTR_NO_LINES |
+ wxTR_HAS_BUTTONS | wxTR_TWIST_BUTTONS |
+ wxTR_MULTIPLE | wxTR_EXTENDED );
+
+ /* Add everything to the panel */
+ sizer = new wxBoxSizer( wxHORIZONTAL );
+ SetSizer( sizer );
+ sizer->Add( treectrl, 1, wxEXPAND );
+
+ /* Create image list */
+ wxImageList *p_images = new wxImageList( 16 , 16, TRUE );
+
+ /* FIXME: absolutely needs to be in the right order FIXME */
+ p_images->Add( wxIcon( type_unknown_xpm ) );
+ p_images->Add( wxIcon( type_afile_xpm ) );
+ p_images->Add( wxIcon( type_vfile_xpm ) );
+ p_images->Add( wxIcon( type_directory_xpm ) );
+ p_images->Add( wxIcon( type_disc_xpm ) );
+ p_images->Add( wxIcon( type_cdda_xpm ) );
+ p_images->Add( wxIcon( type_card_xpm ) );
+ p_images->Add( wxIcon( type_net_xpm ) );
+ p_images->Add( wxIcon( type_playlist_xpm ) );
+ p_images->Add( wxIcon( type_node_xpm ) );
+ treectrl->AssignImageList( p_images );
+
+ /* Reduce font size */
+ wxFont font = treectrl->GetFont(); font.SetPointSize(9);
+ treectrl->SetFont( font );
+
+#if wxUSE_DRAG_AND_DROP
+ /* Associate drop targets with the playlist */
+ SetDropTarget( new DragAndDrop( p_intf, VLC_TRUE ) );
+#endif
+
+ /* Update the playlist */
+ Rebuild( VLC_TRUE );
+
+ /*
+ * We want to be notified of playlist changes
+ */
+
+ /* Some global changes happened -> Rebuild all */
+ var_AddCallback( p_playlist, "intf-change", PlaylistChanged, this );
+
+ /* We went to the next item */
+ var_AddCallback( p_playlist, "playlist-current", PlaylistNext, this );
+
+ /* One item has been updated */
+ var_AddCallback( p_playlist, "item-change", ItemChanged, this );
+
+ var_AddCallback( p_playlist, "item-append", ItemAppended, this );
+ var_AddCallback( p_playlist, "item-deleted", ItemDeleted, this );
+}
+
+PlaylistManager::~PlaylistManager()
+{
+ if( p_playlist == NULL ) return;
+
+ var_DelCallback( p_playlist, "item-change", ItemChanged, this );
+ var_DelCallback( p_playlist, "playlist-current", PlaylistNext, this );
+ var_DelCallback( p_playlist, "intf-change", PlaylistChanged, this );
+ var_DelCallback( p_playlist, "item-append", ItemAppended, this );
+ var_DelCallback( p_playlist, "item-deleted", ItemDeleted, this );
+ vlc_object_release( p_playlist );
+}
+
+/*****************************************************************************
+ * PlaylistChanged: callback triggered by the intf-change playlist variable
+ * We don't rebuild the playlist directly here because we don't want the
+ * caller to block for a too long time.
+ *****************************************************************************/
+static int PlaylistChanged( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param )
+{
+ PlaylistManager *p_playlist = (PlaylistManager *)param;
+ p_playlist->b_need_update = VLC_TRUE;
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Next: callback triggered by the playlist-current playlist variable
+ *****************************************************************************/
+static int PlaylistNext( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param )
+{
+ PlaylistManager *p_playlist = (PlaylistManager *)param;
+
+ wxCommandEvent event( wxEVT_PLAYLIST, UpdateItem_Event );
+ event.SetInt( oval.i_int );
+ p_playlist->AddPendingEvent( event );
+ event.SetInt( nval.i_int );
+ p_playlist->AddPendingEvent( event );
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Update functions
+ *****************************************************************************/
+void PlaylistManager::CreateNode( playlist_item_t *p_node, wxTreeItemId parent)
+{
+ wxTreeItemId node =
+ treectrl->AppendItem( parent, wxL2U( p_node->input.psz_name ), -1, -1,
+ new PlaylistItem( p_node ) );
+ treectrl->SetItemImage( node, p_node->input.i_type );
+
+ UpdateNodeChildren( p_node, node );
+}
+
+void PlaylistManager::UpdateNode( playlist_item_t *p_node, wxTreeItemId node )
+{
+ wxTreeItemIdValue cookie;
+ wxTreeItemId child;
+
+ for( int i = 0; i < p_node->i_children ; i++ )
+ {
+ if( !i ) child = treectrl->GetFirstChild( node, cookie);
+ else child = treectrl->GetNextChild( node, cookie );
+
+ if( !child.IsOk() )
+ {
+ /* Not enough children */
+ CreateNode( p_node->pp_children[i], node );
+ /* Keep the tree pointer up to date */
+ child = treectrl->GetNextChild( node, cookie );
+ }
+ }
+
+ treectrl->SetItemImage( node, p_node->input.i_type );
+
+}
+
+void PlaylistManager::UpdateNodeChildren( playlist_item_t *p_node,
+ wxTreeItemId node )
+{
+ for( int i = 0; i< p_node->i_children ; i++ )
+ {
+ /* Append the item */
+ if( p_node->pp_children[i]->i_children == -1 )
+ {
+ wxTreeItemId item =
+ treectrl->AppendItem( node,
+ wxL2U( p_node->pp_children[i]->input.psz_name ), -1,-1,
+ new PlaylistItem( p_node->pp_children[i]) );
+
+ UpdateTreeItem( item );
+ }
+ else
+ {
+ CreateNode( p_node->pp_children[i], node );
+ }
+ }
+}
+
+void PlaylistManager::UpdateTreeItem( wxTreeItemId item )
+{
+ if( ! item.IsOk() ) return;
+
+ wxTreeItemData *p_data = treectrl->GetItemData( item );
+ if( !p_data ) return;
+
+ LockPlaylist( p_intf->p_sys, p_playlist );
+ playlist_item_t *p_item =
+ playlist_ItemGetById( p_playlist, ((PlaylistItem *)p_data)->i_id );
+ if( !p_item )
+ {
+ UnlockPlaylist( p_intf->p_sys, p_playlist );
+ return;
+ }
+
+ wxString msg;
+ wxString duration = wxU( "" );
+ char *psz_author =
+ vlc_input_item_GetInfo( &p_item->input,
+ _("Meta-information"), _("Artist"));
+ if( !psz_author )
+ {
+ UnlockPlaylist( p_intf->p_sys, p_playlist );
+ return;
+ }
+
+ char psz_duration[MSTRTIME_MAX_SIZE];
+ mtime_t dur = p_item->input.i_duration;
+
+ if( dur != -1 )
+ {
+ secstotimestr( psz_duration, dur/1000000 );
+ duration.Append( wxU( " ( " ) + wxString( wxU( psz_duration ) ) +
+ wxU( " )" ) );
+ }
+
+ if( !strcmp( psz_author, "" ) || p_item->input.b_fixed_name == VLC_TRUE )
+ {
+ msg = wxString( wxU( p_item->input.psz_name ) ) + duration;
+ }
+ else
+ {
+ msg = wxString(wxU( psz_author )) + wxT(" - ") +
+ wxString(wxU(p_item->input.psz_name)) + duration;
+ }
+ free( psz_author );
+ treectrl->SetItemText( item , msg );
+ treectrl->SetItemImage( item, p_item->input.i_type );
+
+ if( p_playlist->status.p_item == p_item )
+ {
+ treectrl->SetItemBold( item, true );
+ while( treectrl->GetItemParent( item ).IsOk() )
+ {
+ item = treectrl->GetItemParent( item );
+ treectrl->Expand( item );
+ }
+ }
+ else
+ {
+ treectrl->SetItemBold( item, false );
+ }
+ UnlockPlaylist( p_intf->p_sys, p_playlist );
+}
+
+void PlaylistManager::AppendItem( wxCommandEvent& event )
+{
+ playlist_add_t *p_add = (playlist_add_t *)event.GetClientData();
+ playlist_item_t *p_item = NULL;
+ wxTreeItemId item, node;
+
+ i_items_to_append--;
+
+ /* No need to do anything if the playlist is going to be rebuilt */
+ if( b_need_update ) return;
+
+ //if( p_add->i_view != i_current_view ) goto update;
+
+ node = FindItem( treectrl->GetRootItem(), p_add->i_node );
+ if( !node.IsOk() ) goto update;
+
+ p_item = playlist_ItemGetById( p_playlist, p_add->i_item );
+ if( !p_item ) goto update;
+
+ item = FindItem( treectrl->GetRootItem(), p_add->i_item );
+ if( item.IsOk() ) goto update;
+
+ item = treectrl->AppendItem( node, wxL2U( p_item->input.psz_name ), -1,-1,
+ new PlaylistItem( p_item ) );
+ treectrl->SetItemImage( item, p_item->input.i_type );
+
+ if( item.IsOk() && p_item->i_children == -1 ) UpdateTreeItem( item );
+
+update:
+ return;
+}
+
+void PlaylistManager::UpdateItem( int i )
+{
+ if( i < 0 ) return; /* Sanity check */
+
+ wxTreeItemId item = FindItem( treectrl->GetRootItem(), i );
+ if( item.IsOk() ) UpdateTreeItem( item );
+}
+
+void PlaylistManager::RemoveItem( int i )
+{
+ if( i <= 0 ) return; /* Sanity check */
+
+ wxTreeItemId item = FindItem( treectrl->GetRootItem(), i );
+ if( item.IsOk() )
+ {
+ treectrl->Delete( item );
+
+ /* Invalidate cache */
+ i_cached_item_id = -1;
+ }
+}
+
+/* This function is called on a regular basis */
+void PlaylistManager::Update()
+{
+ i_update_counter++;
+
+ /* If the playlist isn't show there's no need to update it */
+ if( !IsShown() ) return;
+
+ if( this->b_need_update )
+ {
+ this->b_need_update = VLC_FALSE;
+ Rebuild( VLC_TRUE );
+ }
+
+ /* Updating the playing status every 0.5s is enough */
+ if( i_update_counter % 5 ) return;
+}
+
+/**********************************************************************
+ * Rebuild the playlist
+ **********************************************************************/
+void PlaylistManager::Rebuild( vlc_bool_t b_root )
+{
+ playlist_view_t *p_view;
+
+ i_items_to_append = 0;
+ i_cached_item_id = -1;
+
+ p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );
+
+ treectrl->DeleteAllItems();
+ treectrl->AddRoot( wxU(_("root" )), -1, -1,
+ new PlaylistItem( p_view->p_root ) );
+
+ wxTreeItemId root = treectrl->GetRootItem();
+ UpdateNode( p_view->p_root, root );
+}
+
+/**********************************************************************
+ * Search functions (internal)
+ **********************************************************************/
+
+/* Find a wxItem from a playlist id */
+wxTreeItemId PlaylistManager::FindItem( wxTreeItemId root, int i_id )
+{
+ wxTreeItemIdValue cookie;
+ PlaylistItem *p_wxcurrent;
+ wxTreeItemId dummy, search, item, child;
+
+ if( i_id < 0 ) return dummy;
+ if( i_cached_item_id == i_id ) return cached_item;
+
+ p_wxcurrent = (PlaylistItem *)treectrl->GetItemData( root );
+ if( !p_wxcurrent ) return dummy;
+
+ if( p_wxcurrent->i_id == i_id )
+ {
+ i_cached_item_id = i_id;
+ cached_item = root;
+ return root;
+ }
+
+ item = treectrl->GetFirstChild( root, cookie );
+ while( item.IsOk() )
+ {
+ p_wxcurrent = (PlaylistItem *)treectrl->GetItemData( item );
+ if( !p_wxcurrent )
+ {
+ item = treectrl->GetNextChild( root, cookie );
+ continue;
+ }
+
+ if( p_wxcurrent->i_id == i_id )
+ {
+ i_cached_item_id = i_id;
+ cached_item = item;
+ return item;
+ }
+
+ if( treectrl->ItemHasChildren( item ) )
+ {
+ wxTreeItemId search = FindItem( item, i_id );
+ if( search.IsOk() ) return search;
+ }
+
+ item = treectrl->GetNextChild( root, cookie );
+ }
+
+ return dummy;
+}
+
+/********************************************************************
+ * Events
+ ********************************************************************/
+void PlaylistManager::OnActivateItem( wxTreeEvent& event )
+{
+ playlist_item_t *p_item, *p_node;
+ wxTreeItemId parent = treectrl->GetItemParent( event.GetItem() );
+ PlaylistItem *p_wxitem = (PlaylistItem *)
+ treectrl->GetItemData( event.GetItem() );
+
+ if( !p_wxitem || !parent.IsOk() ) return;
+
+ PlaylistItem *p_wxparent = (PlaylistItem *)treectrl->GetItemData( parent );
+ if( !p_wxparent ) return;
+
+ LockPlaylist( p_intf->p_sys, p_playlist );
+ p_item = playlist_ItemGetById( p_playlist, p_wxitem->i_id );
+ p_node = playlist_ItemGetById( p_playlist, p_wxparent->i_id );
+ if( !p_item || p_item->i_children >= 0 )
+ {
+ p_node = p_item;
+ p_item = NULL;
+ }
+
+ playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_CATEGORY,
+ p_node, p_item );
+ UnlockPlaylist( p_intf->p_sys, p_playlist );
+}
+
+void PlaylistManager::OnPlaylistEvent( wxCommandEvent& event )
+{
+ switch( event.GetId() )
+ {
+ case UpdateItem_Event:
+ UpdateItem( event.GetInt() );
+ break;
+ case AppendItem_Event:
+ AppendItem( event );
+ break;
+ case RemoveItem_Event:
+ RemoveItem( event.GetInt() );
+ break;
+ }
+}
+
+/*****************************************************************************
+ * ItemChanged: callback triggered by the item-change playlist variable
+ *****************************************************************************/
+static int ItemChanged( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t old_val, vlc_value_t new_val, void *param )
+{
+ PlaylistManager *p_playlist = (PlaylistManager *)param;
+
+ wxCommandEvent event( wxEVT_PLAYLIST, UpdateItem_Event );
+ event.SetInt( new_val.i_int );
+ p_playlist->AddPendingEvent( event );
+
+ return VLC_SUCCESS;
+}
+static int ItemDeleted( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t old_val, vlc_value_t new_val, void *param )
+{
+ PlaylistManager *p_playlist = (PlaylistManager *)param;
+
+ wxCommandEvent event( wxEVT_PLAYLIST, RemoveItem_Event );
+ event.SetInt( new_val.i_int );
+ p_playlist->AddPendingEvent( event );
+
+ return VLC_SUCCESS;
+}
+
+static int ItemAppended( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t oval, vlc_value_t nval, void *param )
+{
+ PlaylistManager *p_playlist = (PlaylistManager *)param;
+
+ playlist_add_t *p_add = (playlist_add_t *)malloc(sizeof( playlist_add_t));
+ memcpy( p_add, nval.p_address, sizeof( playlist_add_t ) );
+
+ if( p_playlist->i_items_to_append++ > 50 )
+ {
+ /* Too many items waiting to be added, it will be quicker to rebuild
+ * the whole playlist */
+ p_playlist->b_need_update = VLC_TRUE;
+ return VLC_SUCCESS;
+ }
+
+ wxCommandEvent event( wxEVT_PLAYLIST, AppendItem_Event );
+ event.SetClientData( (void *)p_add );
+ p_playlist->AddPendingEvent( event );
+
+ return VLC_SUCCESS;
+}
+}
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