git.maemo.org Git - jamendo/blob - src/album_listview.c

   1 /*
   2  * album_listview.c
   3  *
   4  *  Created on: 2009-10-13
   5  *      Author: marcin
   6  */
   7
   8 #include <hildon/hildon.h>
   9 #include "album_listview.h"
  10 #include "data_structs.h"
  11 #include "http_utils.h"
  12 #include "album_screen.h"
  13 #include "resource_utils.h"
  14
  15 /**
  16  * list view column indexes
  17  */
  18 enum {
  19         COLUMN_PIXBUF, COLUMN_ALBUM, COLUMN_RATING, COLUMN_ALBUM_PTR, NUM_COLUMNS
  20 };
  21
  22 /****************************************************************************
  23  *
  24  */
  25
  26 static void show_album_screen(GtkTreeView* treeview, GtkTreePath* path, gpointer data) {
  27         GtkWidget *win;
  28         GtkTreeModel *model;
  29         GtkTreeIter iter;
  30         Album *album = NULL;
  31
  32         model = gtk_tree_view_get_model(treeview);
  33         if (gtk_tree_model_get_iter(model, &iter, path)) {
  34                 gtk_tree_model_get(model,&iter,COLUMN_ALBUM_PTR,&album,-1);
  35         }
  36
  37         if (album) {
  38                 win = album_screen_new(album);
  39                 gtk_widget_show_all(win);
  40         }
  41 }
  42
  43
  44 /****************************************************************************
  45  * album listview functions
  46  *l
  47  * creates tree view with album graphics and title and artist
  48  ****************************************************************************/
  49
  50 typedef struct {
  51         GtkTreeModel* model;
  52         GtkTreeIter iter;
  53         gboolean stop;
  54         GThread* thread;
  55 } LoadImagesData;
  56
  57 static gpointer load_images(LoadImagesData *data) {
  58         Album *album = NULL;
  59         GdkPixbuf* album_image = NULL;
  60         gboolean next = FALSE;
  61
  62         g_object_ref(data->model);
  63         gdk_threads_enter();
  64         gtk_tree_model_get_iter_first(data->model, &data->iter);
  65         gdk_threads_leave();
  66
  67         do {
  68                 gdk_threads_enter();
  69                 gtk_tree_model_get(data->model, &data->iter, COLUMN_ALBUM_PTR, &album, -1);
  70                 gdk_threads_leave();
  71
  72                 album_image = http_get_image(album->image, -1, HILDON_ICON_PIXEL_SIZE_THUMB);
  73
  74                 gdk_threads_enter();
  75                 gtk_list_store_set(GTK_LIST_STORE(data->model), &data->iter, COLUMN_PIXBUF, album_image, -1);
  76                 next = gtk_tree_model_iter_next(data->model, &data->iter);
  77                 gdk_threads_leave();
  78
  79                 g_object_unref(album_image);
  80                 g_boxed_free(G_TYPE_ALBUM, album);
  81         } while (next && !data->stop);
  82
  83         g_object_unref(data->model);
  84
  85         return NULL;
  86 }
  87
  88 void album_listview_destroyed(GtkWidget* listview, LoadImagesData* data) {
  89         g_debug("album_listview_destroyed join %p data->stop %d",data->thread,data->stop);
  90         data->stop = TRUE;
  91         gdk_threads_leave();
  92         g_thread_join(data->thread);
  93         gdk_threads_enter();
  94         g_debug("album_listview_destroyed free");
  95         g_free(data);
  96 }
  97
  98 static GdkPixbuf* no_cd_image = 0;
  99
 100 void album_listview_update_model(GtkWidget* listview, GList* album_list) {
 101         GtkListStore *store;
 102         GtkTreeIter iter;
 103         GList* album_iter;
 104         gchar* stars[]={"","*","**","***","****","*****"};
 105
 106         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(listview)));
 107
 108         gtk_list_store_clear(store);
 109
 110         if (!album_list) {
 111                 return;
 112         }
 113
 114         if (!no_cd_image) {
 115                 no_cd_image = resource_get_pixbuf_at_scale("no_cd_image.png", -1, HILDON_ICON_PIXEL_SIZE_THUMB);
 116         }
 117
 118         for (album_iter = g_list_first(album_list); album_iter; album_iter = album_iter->next) {
 119                 Album* album = (Album*) album_iter->data;
 120                 gchar* album_title = g_markup_printf_escaped("<span size='small'>%s</span>\n<span size='x-small'>%s</span>", album->name, album->artist_name);
 121                 gchar* album_stars = g_strdup_printf("<span color='orange' size='medium' weight='bold'>%s</span>", stars[(int)(album->rating * 5.0 + 0.5)]);
 122                 gtk_list_store_append(store, &iter);
 123                 gtk_list_store_set(store, &iter,
 124                                 COLUMN_PIXBUF, no_cd_image,
 125                                 COLUMN_ALBUM, album_title,
 126                                 COLUMN_RATING, album_stars,
 127                                 COLUMN_ALBUM_PTR, album,
 128                                 -1);
 129                 g_free(album_title);
 130                 g_free(album_stars);
 131         }
 132
 133         /** images downloaded in background */
 134         LoadImagesData* data = g_new0(LoadImagesData,1);
 135         data->model = GTK_TREE_MODEL(store);
 136         data->thread = g_thread_create((GThreadFunc)load_images, data, TRUE, NULL);
 137
 138         /* when listview is destroyed, destroy also album_list */
 139         g_signal_connect(G_OBJECT(listview), "destroy", G_CALLBACK(album_listview_destroyed), data);
 140 }
 141
 142 static void album_listview_add_columns(GtkTreeView *treeview) {
 143         GtkCellRenderer *renderer;
 144         GtkTreeViewColumn *column;
 145
 146         renderer = gtk_cell_renderer_pixbuf_new();
 147         g_object_set(G_OBJECT (renderer), "follow-state", FALSE, NULL);
 148
 149         column = gtk_tree_view_column_new_with_attributes("Image", renderer, "pixbuf", COLUMN_PIXBUF, NULL);
 150         gtk_tree_view_append_column(treeview, column);
 151
 152         renderer = gtk_cell_renderer_text_new();
 153         column = gtk_tree_view_column_new_with_attributes("Album", renderer, "markup", COLUMN_ALBUM, NULL);
 154         gtk_tree_view_append_column(treeview, column);
 155
 156         renderer = gtk_cell_renderer_text_new();
 157         column = gtk_tree_view_column_new_with_attributes("Rating", renderer, "markup", COLUMN_RATING, NULL);
 158         // TODO: width should be calculated runtime
 159         gtk_tree_view_column_set_fixed_width(column,60);
 160         gtk_tree_view_append_column(treeview, column);
 161 }
 162
 163 GtkWidget* album_listview_create(GList* album_list) {
 164         GtkWidget *listview;
 165         GtkTreeModel *model;
 166
 167         model = GTK_TREE_MODEL( gtk_list_store_new(NUM_COLUMNS, G_TYPE_OBJECT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_ALBUM) );
 168         listview = gtk_tree_view_new_with_model(model);
 169         album_listview_update_model(listview,album_list);
 170         g_object_unref(model);
 171
 172         gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(listview)), GTK_SELECTION_NONE);
 173         album_listview_add_columns(GTK_TREE_VIEW(listview));
 174
 175         g_signal_connect(listview, "hildon-row-tapped", G_CALLBACK(show_album_screen),NULL);
 176
 177         return listview;
 178 }
 179