diff options
Diffstat (limited to 'src/idomediaplayermenuitem.c')
| -rw-r--r-- | src/idomediaplayermenuitem.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/src/idomediaplayermenuitem.c b/src/idomediaplayermenuitem.c new file mode 100644 index 0000000..7e6e9d3 --- /dev/null +++ b/src/idomediaplayermenuitem.c @@ -0,0 +1,376 @@ +/* + * Copyright 2013 Canonical Ltd. + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 3, as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranties of + * MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>. + * + * Authors: + * Conor Curran <conor.curran@canonical.com> + * Mirco Müller <mirco.mueller@canonical.com> + * Lars Uebernickel <lars.uebernickel@canonical.com> + */ + +#include "config.h" + +#include "idomediaplayermenuitem.h" +#include "idoactionhelper.h" + +#define ALBUM_ART_SIZE 60 + +typedef GtkMenuItemClass IdoMediaPlayerMenuItemClass; + +struct _IdoMediaPlayerMenuItem +{ + GtkMenuItem parent; + + GCancellable *cancellable; + GtkWidget* player_label; + GtkWidget* player_icon; + GtkWidget* metadata_widget; + GtkWidget* album_art; + GtkWidget* artist_label; + GtkWidget* piece_label; + GtkWidget* container_label; + + gboolean running; +}; + +G_DEFINE_TYPE (IdoMediaPlayerMenuItem, ido_media_player_menu_item, GTK_TYPE_MENU_ITEM); + +static void +ido_media_player_menu_item_dispose (GObject *object) +{ + IdoMediaPlayerMenuItem *self = IDO_MEDIA_PLAYER_MENU_ITEM (object); + + if (self->cancellable) + { + g_cancellable_cancel (self->cancellable); + g_clear_object (&self->cancellable); + } + + G_OBJECT_CLASS (ido_media_player_menu_item_parent_class)->dispose (object); +} + +static gboolean +ido_media_player_menu_item_draw (GtkWidget *widget, + cairo_t *cr) +{ + IdoMediaPlayerMenuItem *self = IDO_MEDIA_PLAYER_MENU_ITEM (widget); + + GTK_WIDGET_CLASS (ido_media_player_menu_item_parent_class)->draw (widget, cr); + + /* draw a triangle next to the application name if the app is running */ + if (self->running) + { + const int arrow_width = 5; + const int half_arrow_height = 4; + + GdkRGBA color; + GtkAllocation allocation; + GtkAllocation label_allocation; + int x; + int y; + + gtk_style_context_get_color (gtk_widget_get_style_context (widget), + gtk_widget_get_state (widget), + &color); + + gtk_widget_get_allocation (widget, &allocation); + gtk_widget_get_allocation (self->player_label, &label_allocation); + x = allocation.x; + y = label_allocation.y - allocation.y + label_allocation.height / 2; + + cairo_move_to (cr, x, y - half_arrow_height); + cairo_line_to (cr, x, y + half_arrow_height); + cairo_line_to (cr, x + arrow_width, y); + cairo_close_path (cr); + + gdk_cairo_set_source_rgba (cr, &color); + cairo_fill (cr); + } + + return FALSE; +} + +static void +ido_media_player_menu_item_get_preferred_width (GtkWidget *widget, + gint *minimum, + gint *natural) +{ + *minimum = *natural = 200; +} + +static void +ido_media_player_menu_item_class_init (IdoMediaPlayerMenuItemClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + object_class->dispose = ido_media_player_menu_item_dispose; + + widget_class->get_preferred_width = ido_media_player_menu_item_get_preferred_width; + widget_class->draw = ido_media_player_menu_item_draw; +} + +static void +ido_media_player_menu_item_init (IdoMediaPlayerMenuItem *self) +{ + GtkWidget *grid; + + self->cancellable = g_cancellable_new (); + + self->player_icon = gtk_image_new(); + gtk_widget_set_margin_right (self->player_icon, 6); + gtk_widget_set_halign (self->player_icon, GTK_ALIGN_START); + + self->player_label = gtk_label_new (NULL); + gtk_widget_set_halign (self->player_label, GTK_ALIGN_START); + gtk_widget_set_hexpand (self->player_label, TRUE); + + self->album_art = gtk_image_new(); + gtk_widget_set_size_request (self->album_art, ALBUM_ART_SIZE, ALBUM_ART_SIZE); + gtk_widget_set_margin_right (self->album_art, 8); + + self->artist_label = gtk_label_new (NULL); + gtk_widget_set_halign (self->artist_label, GTK_ALIGN_START); + gtk_label_set_ellipsize (GTK_LABEL (self->artist_label), PANGO_ELLIPSIZE_MIDDLE); + + self->piece_label = gtk_label_new (NULL); + gtk_widget_set_halign (self->piece_label, GTK_ALIGN_START); + gtk_label_set_ellipsize (GTK_LABEL (self->piece_label), PANGO_ELLIPSIZE_MIDDLE); + + self->container_label = gtk_label_new (NULL); + gtk_widget_set_halign (self->container_label, GTK_ALIGN_START); + gtk_widget_set_valign (self->container_label, GTK_ALIGN_START); + gtk_widget_set_vexpand (self->container_label, TRUE); + gtk_label_set_ellipsize (GTK_LABEL (self->container_label), PANGO_ELLIPSIZE_MIDDLE); + + self->metadata_widget = gtk_grid_new (); + gtk_grid_attach (GTK_GRID (self->metadata_widget), self->album_art, 0, 0, 1, 4); + gtk_grid_attach (GTK_GRID (self->metadata_widget), self->piece_label, 1, 0, 1, 1); + gtk_grid_attach (GTK_GRID (self->metadata_widget), self->artist_label, 1, 1, 1, 1); + gtk_grid_attach (GTK_GRID (self->metadata_widget), self->container_label, 1, 2, 1, 1); + + grid = gtk_grid_new (); + gtk_grid_set_row_spacing (GTK_GRID (grid), 8); + gtk_grid_attach (GTK_GRID (grid), self->player_icon, 0, 0, 1, 1); + gtk_grid_attach (GTK_GRID (grid), self->player_label, 1, 0, 1, 1); + gtk_grid_attach (GTK_GRID (grid), self->metadata_widget, 0, 1, 2, 1); + + gtk_container_add (GTK_CONTAINER (self), grid); + gtk_widget_show_all (grid); + + /* hide metadata by defalut (player is not running) */ + gtk_widget_hide (self->metadata_widget); +} + +static void +ido_media_player_menu_item_set_player_name (IdoMediaPlayerMenuItem *self, + const gchar *name) +{ + g_return_if_fail (IDO_IS_MEDIA_PLAYER_MENU_ITEM (self)); + + gtk_label_set_label (GTK_LABEL (self->player_label), name); +} + +static void +ido_media_player_menu_item_set_player_icon (IdoMediaPlayerMenuItem *self, + GIcon *icon) +{ + g_return_if_fail (IDO_IS_MEDIA_PLAYER_MENU_ITEM (self)); + + gtk_image_set_from_gicon (GTK_IMAGE (self->player_icon), icon, GTK_ICON_SIZE_MENU); +} + +static void +ido_media_player_menu_item_set_is_running (IdoMediaPlayerMenuItem *self, + gboolean running) +{ + g_return_if_fail (IDO_IS_MEDIA_PLAYER_MENU_ITEM (self)); + + if (self->running != running) + { + self->running = running; + gtk_widget_queue_draw (GTK_WIDGET (self)); + } +} + +static void +album_art_received (GObject *object, + GAsyncResult *result, + gpointer user_data) +{ + IdoMediaPlayerMenuItem *self = user_data; + GdkPixbuf *pixbuf; + GError *error = NULL; + + pixbuf = gdk_pixbuf_new_from_stream_finish (result, &error); + if (pixbuf == NULL) + { + if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + g_warning ("unable to fetch album art: %s", error->message); + + g_error_free (error); + return; + } + + gtk_image_set_from_pixbuf (GTK_IMAGE (self->album_art), pixbuf); + g_object_unref (pixbuf); +} + +static void +album_art_file_opened (GObject *object, + GAsyncResult *result, + gpointer user_data) +{ + IdoMediaPlayerMenuItem *self = user_data; + GFileInputStream *input; + GError *error = NULL; + + input = g_file_read_finish (G_FILE (object), result, &error); + if (input == NULL) + { + if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + g_warning ("unable to fetch album art: %s", error->message); + + g_error_free (error); + return; + } + + gdk_pixbuf_new_from_stream_at_scale_async (G_INPUT_STREAM (input), + ALBUM_ART_SIZE, ALBUM_ART_SIZE, TRUE, + self->cancellable, + album_art_received, self); + + g_object_unref (input); +} + +static void +ido_media_player_menu_item_set_album_art (IdoMediaPlayerMenuItem *self, + const gchar *url) +{ + GFile *file; + + g_return_if_fail (IDO_IS_MEDIA_PLAYER_MENU_ITEM (self)); + + gtk_image_clear (GTK_IMAGE (self->album_art)); + + if (url == NULL) + return; + + file = g_file_new_for_uri (url); + g_file_read_async (file, G_PRIORITY_DEFAULT, self->cancellable, album_art_file_opened, self); + + g_object_unref (file); +} + +static void +ido_media_player_menu_item_set_metadata (IdoMediaPlayerMenuItem *self, + const gchar *title, + const gchar *artist, + const gchar *album, + const gchar *art_url) +{ + g_return_if_fail (IDO_IS_MEDIA_PLAYER_MENU_ITEM (self)); + + /* hide if there's no metadata */ + if (title == NULL || *title == '\0') + { + gtk_label_set_label (GTK_LABEL (self->piece_label), NULL); + gtk_label_set_label (GTK_LABEL (self->artist_label), NULL); + gtk_label_set_label (GTK_LABEL (self->container_label), NULL); + ido_media_player_menu_item_set_album_art (self, NULL); + gtk_widget_hide (self->metadata_widget); + } + else + { + gtk_label_set_label (GTK_LABEL (self->piece_label), title); + gtk_label_set_label (GTK_LABEL (self->artist_label), artist); + gtk_label_set_label (GTK_LABEL (self->container_label), album); + ido_media_player_menu_item_set_album_art (self, art_url); + gtk_widget_show (self->metadata_widget); + } +} + +static void +ido_media_player_menu_item_state_changed (IdoActionHelper *helper, + GVariant *state, + gpointer user_data) +{ + IdoMediaPlayerMenuItem *widget; + gboolean running = FALSE; + const gchar *title = NULL; + const gchar *artist = NULL; + const gchar *album = NULL; + const gchar *art_url = NULL; + + g_variant_lookup (state, "running", "b", &running); + g_variant_lookup (state, "title", "&s", &title); + g_variant_lookup (state, "artist", "&s", &artist); + g_variant_lookup (state, "album", "&s", &album); + g_variant_lookup (state, "art-url", "&s", &art_url); + + widget = IDO_MEDIA_PLAYER_MENU_ITEM (ido_action_helper_get_widget (helper)); + ido_media_player_menu_item_set_is_running (widget, running); + ido_media_player_menu_item_set_metadata (widget, title, artist, album, art_url); +} + +GtkMenuItem * +ido_media_player_menu_item_new_from_model (GMenuItem *menuitem, + GActionGroup *actions) +{ + GtkMenuItem *widget; + gchar *label; + gchar *action; + GVariant *v; + + widget = g_object_new (IDO_TYPE_MEDIA_PLAYER_MENU_ITEM, NULL); + + if (g_menu_item_get_attribute (menuitem, "label", "s", &label)) + { + ido_media_player_menu_item_set_player_name (IDO_MEDIA_PLAYER_MENU_ITEM (widget), label); + g_free (label); + } + + if ((v = g_menu_item_get_attribute_value (menuitem, "icon", NULL))) + { + GIcon *icon; + + icon = g_icon_deserialize (v); + if (icon) + { + ido_media_player_menu_item_set_player_icon (IDO_MEDIA_PLAYER_MENU_ITEM (widget), icon); + g_object_unref (icon); + } + + g_variant_unref (v); + } + + if (g_menu_item_get_attribute (menuitem, "action", "s", &action)) + { + IdoActionHelper *helper; + + helper = ido_action_helper_new (GTK_WIDGET (widget), actions, action, NULL); + g_signal_connect (helper, "action-state-changed", + G_CALLBACK (ido_media_player_menu_item_state_changed), NULL); + + g_signal_connect_object (widget, "activate", + G_CALLBACK (ido_action_helper_activate), + helper, G_CONNECT_SWAPPED); + + g_signal_connect_swapped (widget, "destroy", G_CALLBACK (g_object_unref), helper); + + g_free (action); + } + + return widget; +} |