static void
gth_media_viewer_page_real_view (GthViewerPage *base,
GthFileData *file_data)
{
GthMediaViewerPage *self;
char *uri;
self = (GthMediaViewerPage*) base;
g_return_if_fail (file_data != NULL);
if (! gstreamer_init ())
return;
gth_viewer_page_focus (GTH_VIEWER_PAGE (self));
if ((self->priv->file_data != NULL)
&& g_file_equal (file_data->file, self->priv->file_data->file)
&& (gth_file_data_get_mtime (file_data) == gth_file_data_get_mtime (self->priv->file_data)))
{
return;
}
/**/
_g_object_unref (self->priv->file_data);
self->priv->file_data = gth_file_data_dup (file_data);
self->priv->duration = 0;
_g_object_unref (self->priv->icon);
self->priv->icon = NULL;
_gth_media_viewer_page_update_caption (self);
/**/
gth_viewer_page_file_loaded (GTH_VIEWER_PAGE (self), TRUE);
g_signal_handlers_block_by_func(GET_WIDGET ("adjustment_position"), position_value_changed_cb, self);
gtk_adjustment_set_value (GTK_ADJUSTMENT (GET_WIDGET ("adjustment_position")), 0.0);
g_signal_handlers_unblock_by_func(GET_WIDGET ("adjustment_position"), position_value_changed_cb, self);
reset_player_state (self);
if (self->priv->playbin == NULL)
return;
gst_element_set_state (self->priv->playbin, GST_STATE_NULL);
uri = g_file_get_uri (self->priv->file_data->file);
g_object_set (G_OBJECT (self->priv->playbin), "uri", uri, NULL);
gdk_threads_add_idle (set_to_paused, self);
g_free (uri);
}
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;
}
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
resize_task_completed_cb (GthTask *task,
GError *error,
gpointer user_data)
{
GthFileToolResize *self = user_data;
GtkWidget *window;
GtkWidget *viewer_page;
self->priv->resize_task = NULL;
if (self->priv->closing) {
g_object_unref (task);
gth_image_viewer_page_tool_reset_image (GTH_IMAGE_VIEWER_PAGE_TOOL (self));
return;
}
if (error != NULL) {
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
update_image_size (self);
g_object_unref (task);
return;
}
_cairo_clear_surface (&self->priv->new_image);
self->priv->new_image = gth_image_task_get_destination_surface (GTH_IMAGE_TASK (task));
if (self->priv->new_image == NULL) {
g_object_unref (task);
return;
}
window = gth_file_tool_get_window (GTH_FILE_TOOL (self));
viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window));
gth_image_viewer_page_set_image (GTH_IMAGE_VIEWER_PAGE (viewer_page), self->priv->new_image, FALSE);
if (self->priv->apply_to_original) {
gth_image_history_add_surface (gth_image_viewer_page_get_history (GTH_IMAGE_VIEWER_PAGE (viewer_page)),
self->priv->new_image,
-1,
TRUE);
gth_viewer_page_focus (GTH_VIEWER_PAGE (viewer_page));
gth_file_tool_hide_options (GTH_FILE_TOOL (self));
}
else {
update_dimensione_info_label (self,
"new_dimensions_label",
self->priv->new_width,
self->priv->new_height,
TRUE);
update_dimensione_info_label (self,
"scale_factor_label",
(double) self->priv->new_width / self->priv->original_width,
(double) self->priv->new_height / self->priv->original_height,
FALSE);
}
g_object_unref (task);
}
static void
gth_file_tool_save_as_activate (GthFileTool *tool)
{
GtkWidget *window;
GtkWidget *viewer_page;
window = gth_file_tool_get_window (tool);
viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window));
gth_viewer_page_save_as (GTH_VIEWER_PAGE (viewer_page), NULL, NULL);
}
static void
gth_file_tool_save_as_update_sensitivity (GthFileTool *base)
{
GtkWidget *window;
gboolean can_save;
window = gth_file_tool_get_window (base);
can_save = gth_viewer_page_can_save (GTH_VIEWER_PAGE (gth_browser_get_viewer_page (GTH_BROWSER (window))));
can_save = can_save && (gth_browser_get_current_file (GTH_BROWSER (window)) != NULL);
gtk_widget_set_sensitive (GTK_WIDGET (base), can_save);
}
static void
gth_media_viewer_page_real_view (GthViewerPage *base,
GthFileData *file_data)
{
GthMediaViewerPage *self;
char *uri;
self = (GthMediaViewerPage*) base;
g_return_if_fail (file_data != NULL);
if (! gstreamer_init ())
return;
gth_viewer_page_focus (GTH_VIEWER_PAGE (self));
if ((self->priv->file_data != NULL)
&& g_file_equal (file_data->file, self->priv->file_data->file)
&& (gth_file_data_get_mtime (file_data) == gth_file_data_get_mtime (self->priv->file_data)))
{
return;
}
/**/
_g_object_unref (self->priv->file_data);
self->priv->file_data = gth_file_data_dup (file_data);
self->priv->duration = 0;
self->priv->has_audio = FALSE;
self->priv->has_video = FALSE;
_g_object_unref (self->priv->icon);
self->priv->icon = NULL;
_gth_media_viewer_page_update_caption (self);
/**/
g_signal_handlers_block_by_func(GET_WIDGET ("position_adjustment"), position_value_changed_cb, self);
gtk_adjustment_set_value (GTK_ADJUSTMENT (GET_WIDGET ("position_adjustment")), 0.0);
g_signal_handlers_unblock_by_func(GET_WIDGET ("position_adjustment"), position_value_changed_cb, self);
reset_player_state (self);
create_playbin (self);
if (self->priv->playbin == NULL)
return;
uri = g_file_get_uri (self->priv->file_data->file);
_gth_media_viewer_page_set_uri (self, uri, self->priv->visible ? GST_STATE_PLAYING : GST_STATE_PAUSED);
g_free (uri);
}
void
gth_browser_activate_save_as (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GthBrowser *browser = user_data;
GtkWidget *viewer_page;
viewer_page = gth_browser_get_viewer_page (browser);
if (viewer_page == NULL)
return;
gth_viewer_page_save_as (GTH_VIEWER_PAGE (viewer_page), NULL, NULL);
}
static void
gth_media_viewer_page_real_show (GthViewerPage *base)
{
GthMediaViewerPage *self = GTH_MEDIA_VIEWER_PAGE (base);
self->priv->visible = TRUE;
gth_viewer_page_focus (GTH_VIEWER_PAGE (self));
create_playbin (self);
if (self->priv->file_data != NULL) {
char *uri;
uri = g_file_get_uri (self->priv->file_data->file);
_gth_media_viewer_page_set_uri (self, uri, GST_STATE_PLAYING);
g_free (uri);
}
}
static void
gth_media_viewer_page_real_show (GthViewerPage *base)
{
GthMediaViewerPage *self;
GError *error = NULL;
GstBus *bus;
char *uri;
self = (GthMediaViewerPage*) base;
if (self->priv->merge_id != 0)
return;
self->priv->merge_id = gtk_ui_manager_add_ui_from_string (gth_browser_get_ui_manager (self->priv->browser), media_viewer_ui_info, -1, &error);
if (self->priv->merge_id == 0) {
g_warning ("ui building failed: %s", error->message);
g_error_free (error);
}
gth_viewer_page_focus (GTH_VIEWER_PAGE (self));
if (self->priv->playbin != NULL)
return;
self->priv->playbin = gst_element_factory_make ("playbin", "playbin");
g_signal_connect (self->priv->playbin, "notify::volume", G_CALLBACK (playbin_notify_volume_cb), self);
bus = gst_pipeline_get_bus (GST_PIPELINE (self->priv->playbin));
gst_bus_enable_sync_message_emission (bus);
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) set_playbin_window, self);
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", G_CALLBACK (bus_message_cb), self);
if (self->priv->file_data == NULL)
return;
uri = g_file_get_uri (self->priv->file_data->file);
g_object_set (G_OBJECT (self->priv->playbin), "uri", uri, NULL);
gst_element_set_state (self->priv->playbin, GST_STATE_PAUSED);
g_free (uri);
}
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
gth_media_viewer_page_real_activate (GthViewerPage *base,
GthBrowser *browser)
{
GthMediaViewerPage *self;
if (! gstreamer_init ())
return;
self = (GthMediaViewerPage*) base;
self->priv->browser = browser;
self->priv->actions = gtk_action_group_new ("Video Viewer Actions");
gtk_action_group_set_translation_domain (self->priv->actions, NULL);
gtk_action_group_add_actions (self->priv->actions,
media_viewer_action_entries,
G_N_ELEMENTS (media_viewer_action_entries),
self);
gtk_ui_manager_insert_action_group (gth_browser_get_ui_manager (browser), self->priv->actions, 0);
self->priv->area_box = gtk_vbox_new (FALSE, 0);
/* video area */
self->priv->area = gtk_drawing_area_new ();
gtk_widget_set_double_buffered (self->priv->area, FALSE);
gtk_widget_add_events (self->priv->area, (gtk_widget_get_events (self->priv->area)
| GDK_EXPOSURE_MASK
| GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
| GDK_POINTER_MOTION_MASK
| GDK_POINTER_MOTION_HINT_MASK
| GDK_BUTTON_MOTION_MASK));
GTK_WIDGET_SET_FLAGS (self->priv->area, GTK_CAN_FOCUS);
gtk_widget_show (self->priv->area);
gtk_box_pack_start (GTK_BOX (self->priv->area_box), self->priv->area, TRUE, TRUE, 0);
g_signal_connect (G_OBJECT (self->priv->area),
"realize",
G_CALLBACK (video_area_realize_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"unrealize",
G_CALLBACK (video_area_unrealize_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"expose_event",
G_CALLBACK (video_area_expose_event_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"button_press_event",
G_CALLBACK (video_area_button_press_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"scroll_event",
G_CALLBACK (video_area_scroll_event_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"key_press_event",
G_CALLBACK (video_area_key_press_cb),
self);
/* mediabar */
self->priv->builder = _gtk_builder_new_from_file ("mediabar.ui", "gstreamer_tools");
self->priv->mediabar = GET_WIDGET ("mediabar");
gtk_widget_show (self->priv->mediabar);
gtk_box_pack_start (GTK_BOX (self->priv->area_box), self->priv->mediabar, FALSE, FALSE, 0);
g_signal_connect (GET_WIDGET ("adjustment_volume"), "value-changed", G_CALLBACK (volume_value_changed_cb), self);
g_signal_connect (GET_WIDGET ("adjustment_position"), "value-changed", G_CALLBACK (position_value_changed_cb), self);
g_signal_connect (GET_WIDGET ("hscale_volume"), "format-value", G_CALLBACK (hscale_volume_format_value_cb), self);
g_signal_connect (GET_WIDGET ("hscale_position"), "change-value", G_CALLBACK (hscale_position_change_value_cb), self);
g_signal_connect (GET_WIDGET ("hscale_position"), "button-release-event", G_CALLBACK (hscale_position_button_release_event_cb), self);
g_signal_connect (GET_WIDGET ("button_play"), "clicked", G_CALLBACK (button_play_clicked_cb), self);
g_signal_connect (GET_WIDGET ("togglebutton_volume"), "toggled", G_CALLBACK (togglebutton_volume_toggled_cb), self);
g_signal_connect (GET_WIDGET ("button_play_slower"), "clicked", G_CALLBACK (button_play_slower_clicked_cb), self);
g_signal_connect (GET_WIDGET ("button_play_faster"), "clicked", G_CALLBACK (button_play_faster_clicked_cb), self);
gtk_widget_show (self->priv->area_box);
gth_browser_set_viewer_widget (browser, self->priv->area_box);
gtk_widget_realize (self->priv->area);
gdk_window_ensure_native (gtk_widget_get_window (self->priv->area));
gth_viewer_page_focus (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;
}
}
static void
gth_media_viewer_page_real_activate (GthViewerPage *base,
GthBrowser *browser)
{
GthMediaViewerPage *self;
gboolean rtl;
if (! gstreamer_init ())
return;
self = (GthMediaViewerPage*) base;
self->priv->browser = browser;
g_action_map_add_action_entries (G_ACTION_MAP (browser),
actions,
G_N_ELEMENTS (actions),
browser);
self->priv->screenshot_button =
gth_browser_add_header_bar_button (browser,
GTH_BROWSER_HEADER_SECTION_VIEWER_VIEW,
"camera-photo-symbolic",
_("Take a screenshot"),
"win.video-screenshot",
NULL);
rtl = gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL;
/* video area */
self->priv->area = gtk_drawing_area_new ();
/* do not use the rgba visual on the drawing area */
{
GdkVisual *visual;
visual = gdk_screen_get_system_visual (gtk_widget_get_screen (GTK_WIDGET (self->priv->area)));
if (visual != NULL)
gtk_widget_set_visual (GTK_WIDGET (self->priv->area), visual);
}
gtk_widget_set_double_buffered (self->priv->area, FALSE);
gtk_widget_add_events (self->priv->area, (gtk_widget_get_events (self->priv->area)
| GDK_EXPOSURE_MASK
| GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
| GDK_POINTER_MOTION_MASK
| GDK_POINTER_MOTION_HINT_MASK
| GDK_BUTTON_MOTION_MASK
| GDK_SCROLL_MASK));
gtk_widget_set_can_focus (self->priv->area, TRUE);
gtk_widget_show (self->priv->area);
g_signal_connect (G_OBJECT (self->priv->area),
"realize",
G_CALLBACK (video_area_realize_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"unrealize",
G_CALLBACK (video_area_unrealize_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"draw",
G_CALLBACK (video_area_draw_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"button_press_event",
G_CALLBACK (video_area_button_press_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"popup-menu",
G_CALLBACK (video_area_popup_menu_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"scroll_event",
G_CALLBACK (video_area_scroll_event_cb),
self);
g_signal_connect (G_OBJECT (self->priv->area),
"key_press_event",
G_CALLBACK (video_area_key_press_cb),
self);
/* mediabar */
self->priv->builder = _gtk_builder_new_from_file ("mediabar.ui", "gstreamer_tools");
self->priv->mediabar = GET_WIDGET ("mediabar");
gtk_widget_set_halign (self->priv->mediabar, GTK_ALIGN_FILL);
gtk_widget_set_valign (self->priv->mediabar, GTK_ALIGN_END);
gtk_image_set_from_icon_name (GTK_IMAGE (GET_WIDGET ("play_slower_image")),
rtl ? "media-seek-backward-rtl-symbolic" : "media-seek-backward-symbolic",
GTK_ICON_SIZE_MENU);
gtk_image_set_from_icon_name (GTK_IMAGE (GET_WIDGET ("play_faster_image")),
rtl ? "media-seek-forward-rtl-symbolic" : "media-seek-forward-symbolic",
GTK_ICON_SIZE_MENU);
g_signal_connect (GET_WIDGET ("volume_adjustment"),
"value-changed",
G_CALLBACK (volume_value_changed_cb),
self);
g_signal_connect (GET_WIDGET ("position_adjustment"),
"value-changed",
G_CALLBACK (position_value_changed_cb),
self);
g_signal_connect (GET_WIDGET ("play_button"),
"clicked",
G_CALLBACK (play_button_clicked_cb),
self);
g_signal_connect (GET_WIDGET ("play_slower_button"),
"clicked",
G_CALLBACK (play_slower_button_clicked_cb),
self);
g_signal_connect (GET_WIDGET ("play_faster_button"),
"clicked",
G_CALLBACK (play_faster_button_clicked_cb),
self);
self->priv->mediabar_revealer = gtk_revealer_new ();
gtk_revealer_set_transition_type (GTK_REVEALER (self->priv->mediabar_revealer), GTK_REVEALER_TRANSITION_TYPE_SLIDE_UP);
gtk_widget_set_halign (self->priv->mediabar_revealer, GTK_ALIGN_FILL);
gtk_widget_set_valign (self->priv->mediabar_revealer, GTK_ALIGN_END);
gtk_widget_show (self->priv->mediabar_revealer);
gtk_container_add (GTK_CONTAINER (self->priv->mediabar_revealer), self->priv->mediabar);
self->priv->area_box = gtk_overlay_new ();
gtk_container_add (GTK_CONTAINER (self->priv->area_box), self->priv->area);
gtk_overlay_add_overlay (GTK_OVERLAY (self->priv->area_box), self->priv->mediabar_revealer);
gtk_widget_show (self->priv->area_box);
gth_browser_set_viewer_widget (browser, self->priv->area_box);
gtk_widget_realize (self->priv->area);
gth_browser_register_viewer_control (self->priv->browser, self->priv->mediabar);
gth_viewer_page_focus (GTH_VIEWER_PAGE (self));
}