static void
bus_message_cb (GstBus *bus,
GstMessage *message,
gpointer user_data)
{
GthMediaViewerPage *self = user_data;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_STATE_CHANGED: {
GstState old_state;
GstState new_state;
GstState pending_state;
old_state = new_state = GST_STATE_NULL;
gst_message_parse_state_changed (message, &old_state, &new_state, &pending_state);
self->priv->paused = (new_state == GST_STATE_PAUSED);
if (old_state == new_state)
break;
if (GST_MESSAGE_SRC (message) != GST_OBJECT (self->priv->playbin))
break;
update_current_position_bar (self, TRUE);
if ((old_state == GST_STATE_READY) && (new_state == GST_STATE_PAUSED)) {
update_stream_info (self);
gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (self));
}
if ((old_state == GST_STATE_READY) || (new_state == GST_STATE_PAUSED))
update_volume_from_playbin (self);
if ((old_state == GST_STATE_PLAYING) || (new_state == GST_STATE_PLAYING))
update_play_button (self, new_state);
break;
}
case GST_MESSAGE_DURATION: {
GstFormat format;
format = GST_FORMAT_TIME;
gst_message_parse_duration (message, &format, &self->priv->duration);
update_current_position_bar (self, TRUE);
break;
}
case GST_MESSAGE_EOS:
reset_player_state (self);
break;
case GST_MESSAGE_BUFFERING: {
int percent = 0;
gst_message_parse_buffering (message, &percent);
g_print ("Buffering (%%%u percent done)", percent);
break;
}
default:
break;
}
}
static void
update_play_button (GthMediaViewerPage *self,
GstState new_state)
{
if (! self->priv->playing && (new_state == GST_STATE_PLAYING)) {
self->priv->playing = TRUE;
gtk_image_set_from_stock (GTK_IMAGE (GET_WIDGET ("button_play_image")), GTK_STOCK_MEDIA_PAUSE, GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_widget_set_tooltip_text (GET_WIDGET ("button_play_image"), _("Pause"));
if (self->priv->update_progress_id == 0)
self->priv->update_progress_id = gdk_threads_add_timeout (PROGRESS_DELAY, update_progress_cb, self);
}
else if (self->priv->playing && (new_state != GST_STATE_PLAYING)) {
self->priv->playing = FALSE;
gtk_image_set_from_stock (GTK_IMAGE (GET_WIDGET ("button_play_image")), GTK_STOCK_MEDIA_PLAY, GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_widget_set_tooltip_text (GET_WIDGET ("button_play_image"), _("Play"));
if (self->priv->update_progress_id != 0) {
g_source_remove (self->priv->update_progress_id);
self->priv->update_progress_id = 0;
}
}
gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (self));
}
static void
gth_file_tool_adjust_contrast_destroy_options (GthFileTool *base)
{
GthFileToolAdjustContrast *self;
GtkWidget *window;
GtkWidget *viewer_page;
self = (GthFileToolAdjustContrast *) base;
if (self->priv->apply_event != 0) {
g_source_remove (self->priv->apply_event);
self->priv->apply_event = 0;
}
window = gth_file_tool_get_window (GTH_FILE_TOOL (self));
viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window));
gth_image_viewer_page_reset_viewer_tool (GTH_IMAGE_VIEWER_PAGE (viewer_page));
gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (viewer_page));
_g_clear_object (&self->priv->builder);
_cairo_clear_surface (&self->priv->preview);
_cairo_clear_surface (&self->priv->destination);
self->priv->method = GTH_FILTER_GRID_NO_FILTER;
self->priv->last_applied_method = GTH_FILTER_GRID_NO_FILTER;
}
void
gth_browser_activate_toggle_animation (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
GthBrowser *browser = user_data;
GthViewerPage *viewer_page;
GthImageViewer *image_viewer;
g_simple_action_set_state (action, state);
viewer_page = gth_browser_get_viewer_page (browser);
image_viewer = GTH_IMAGE_VIEWER (gth_image_viewer_page_get_image_viewer (GTH_IMAGE_VIEWER_PAGE (viewer_page)));
if (gth_image_viewer_is_playing_animation (image_viewer))
gth_image_viewer_stop_animation (image_viewer);
else
gth_image_viewer_start_animation (image_viewer);
gth_viewer_page_update_sensitivity (viewer_page);
}
static void
update_play_button (GthMediaViewerPage *self,
GstState new_state)
{
if (! self->priv->playing && (new_state == GST_STATE_PLAYING)) {
set_playing_state (self, TRUE);
gtk_image_set_from_icon_name (GTK_IMAGE (GET_WIDGET ("play_button_image")), "media-playback-pause-symbolic", GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_widget_set_tooltip_text (GET_WIDGET ("play_button_image"), _("Pause"));
if (self->priv->update_progress_id == 0)
self->priv->update_progress_id = gdk_threads_add_timeout (PROGRESS_DELAY, update_progress_cb, self);
update_playback_info (self);
}
else if (self->priv->playing && (new_state != GST_STATE_PLAYING)) {
GtkWidget *play_button = GET_WIDGET ("play_button_image");
gboolean rtl;
rtl = gtk_widget_get_direction (play_button) == GTK_TEXT_DIR_RTL;
set_playing_state (self, FALSE);
gtk_image_set_from_icon_name (GTK_IMAGE (play_button),
rtl ? "media-playback-start-rtl-symbolic" : "media-playback-start-symbolic",
GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_widget_set_tooltip_text (GET_WIDGET ("play_button_image"), _("Play"));
if (self->priv->update_progress_id != 0) {
g_source_remove (self->priv->update_progress_id);
self->priv->update_progress_id = 0;
}
update_playback_info (self);
}
gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (self));
}
static void
bus_message_cb (GstBus *bus,
GstMessage *message,
gpointer user_data)
{
GthMediaViewerPage *self = user_data;
if (GST_MESSAGE_SRC (message) != GST_OBJECT (self->priv->playbin))
return;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_STATE_CHANGED: {
GstState old_state;
GstState new_state;
GstState pending_state;
old_state = new_state = GST_STATE_NULL;
gst_message_parse_state_changed (message, &old_state, &new_state, &pending_state);
if (old_state == new_state)
break;
self->priv->paused = (new_state == GST_STATE_PAUSED);
update_current_position_bar (self);
if ((old_state == GST_STATE_NULL) && (new_state == GST_STATE_READY) && (pending_state != GST_STATE_PAUSED)) {
update_stream_info (self);
gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (self));
gth_viewer_page_file_loaded (GTH_VIEWER_PAGE (self), self->priv->file_data, TRUE);
}
if ((old_state == GST_STATE_READY) && (new_state == GST_STATE_PAUSED)) {
update_stream_info (self);
gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (self));
gth_viewer_page_file_loaded (GTH_VIEWER_PAGE (self), self->priv->file_data, TRUE);
}
if ((old_state == GST_STATE_READY) || (new_state == GST_STATE_PAUSED))
update_volume_from_playbin (self);
if ((old_state == GST_STATE_PLAYING) || (new_state == GST_STATE_PLAYING))
update_play_button (self, new_state);
break;
}
case GST_MESSAGE_DURATION_CHANGED:
self->priv->duration = 0;
update_current_position_bar (self);
break;
case GST_MESSAGE_EOS:
reset_player_state (self);
break;
case GST_MESSAGE_BUFFERING: {
int percent = 0;
gst_message_parse_buffering (message, &percent);
gst_element_set_state (self->priv->playbin, (percent == 100) ? GST_STATE_PLAYING : GST_STATE_PAUSED);
break;
}
case GST_MESSAGE_ERROR:
gth_viewer_page_file_loaded (GTH_VIEWER_PAGE (self), self->priv->file_data, FALSE);
break;
default:
break;
}
}