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GESTimelineTitleSource: Keep track of contained TrackTitleSource objects

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We use the new track_object_added and track_object_released vfunc to keep track
of the TrackObject we might be interested in. Makes cleaner code
This commit is contained in:
Thibault Saunier 2011-04-27 08:47:02 -03:00 committed by Edward Hervey
parent d5734ab94f
commit a00f2f82df
1 changed files with 55 additions and 52 deletions
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107
ges/ges-timeline-title-source.c
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@ -51,6 +51,7 @@ struct _GESTimelineTitleSourcePrivate
gchar *font_desc;
GESTextVAlign halign;
GESTextHAlign valign;
GSList *track_titles;
};
enum
@ -67,6 +68,13 @@ static GESTrackObject
* ges_timeline_title_source_create_track_object (GESTimelineObject * obj,
GESTrack * track);
static void
ges_timeline_title_source_track_object_added (GESTimelineObject * obj,
GESTrackObject * tckobj);
static void
ges_timeline_title_source_track_object_released (GESTimelineObject * obj,
GESTrackObject * tckobj);
static void
ges_timeline_title_source_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
@ -200,6 +208,10 @@ ges_timeline_title_source_class_init (GESTimelineTitleSourceClass * klass)
timobj_class->create_track_object =
ges_timeline_title_source_create_track_object;
timobj_class->need_fill_track = FALSE;
timobj_class->track_object_added =
ges_timeline_title_source_track_object_added;
timobj_class->track_object_released =
ges_timeline_title_source_track_object_released;
}
static void
@ -230,8 +242,7 @@ void
ges_timeline_title_source_set_text (GESTimelineTitleSource * self,
const gchar * text)
{
GList *tmp, *trackobjects;
GESTimelineObject *object = (GESTimelineObject *) self;
GSList *tmp;
GST_DEBUG ("self:%p, text:%s", self, text);
@ -240,18 +251,10 @@ ges_timeline_title_source_set_text (GESTimelineTitleSource * self,
self->priv->text = g_strdup (text);
/* FIXME : We need a much less crack way to find the trackobject to change */
trackobjects = ges_timeline_object_get_track_objects (object);
for (tmp = trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (GES_IS_TRACK_TITLE_SOURCE (trackobject))
ges_track_title_source_set_text (GES_TRACK_TITLE_SOURCE
(trackobject), self->priv->text);
g_object_unref (GES_TRACK_OBJECT (tmp->data));
for (tmp = self->priv->track_titles; tmp; tmp = tmp->next) {
ges_track_title_source_set_text (GES_TRACK_TITLE_SOURCE (tmp->data),
self->priv->text);
}
g_list_free (trackobjects);
}
/**
@ -266,8 +269,7 @@ void
ges_timeline_title_source_set_font_desc (GESTimelineTitleSource * self,
const gchar * font_desc)
{
GList *tmp, *trackobjects;
GESTimelineObject *object = (GESTimelineObject *) self;
GSList *tmp;
GST_DEBUG ("self:%p, font_desc:%s", self, font_desc);
@ -276,18 +278,10 @@ ges_timeline_title_source_set_font_desc (GESTimelineTitleSource * self,
self->priv->font_desc = g_strdup (font_desc);
/* FIXME : We need a much less crack way to find the trackobject to change */
trackobjects = ges_timeline_object_get_track_objects (object);
for (tmp = trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (GES_IS_TRACK_TITLE_SOURCE (trackobject))
ges_track_title_source_set_font_desc (GES_TRACK_TITLE_SOURCE
(trackobject), self->priv->font_desc);
g_object_unref (GES_TRACK_OBJECT (tmp->data));
for (tmp = self->priv->track_titles; tmp; tmp = tmp->next) {
ges_track_title_source_set_font_desc (GES_TRACK_TITLE_SOURCE (tmp->data),
self->priv->font_desc);
}
g_list_free (trackobjects);
}
/**
@ -302,25 +296,16 @@ void
ges_timeline_title_source_set_halignment (GESTimelineTitleSource * self,
GESTextHAlign halign)
{
GList *tmp, *trackobjects;
GESTimelineObject *object = (GESTimelineObject *) self;
GSList *tmp;
GST_DEBUG ("self:%p, halign:%d", self, halign);
self->priv->halign = halign;
/* FIXME : We need a much less crack way to find the trackobject to change */
trackobjects = ges_timeline_object_get_track_objects (object);
for (tmp = trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (GES_IS_TRACK_TITLE_SOURCE (trackobject))
ges_track_title_source_set_halignment (GES_TRACK_TITLE_SOURCE
(trackobject), self->priv->halign);
g_object_unref (GES_TRACK_OBJECT (tmp->data));
for (tmp = self->priv->track_titles; tmp; tmp = tmp->next) {
ges_track_title_source_set_halignment (GES_TRACK_TITLE_SOURCE (tmp->data),
self->priv->halign);
}
g_list_free (trackobjects);
}
/**
@ -335,25 +320,16 @@ void
ges_timeline_title_source_set_valignment (GESTimelineTitleSource * self,
GESTextVAlign valign)
{
GList *tmp, *trackobjects;
GESTimelineObject *object = (GESTimelineObject *) self;
GSList *tmp;
GST_DEBUG ("self:%p, valign:%d", self, valign);
self->priv->valign = valign;
/* FIXME : We need a much less crack way to find the trackobject to change */
trackobjects = ges_timeline_object_get_track_objects (object);
for (tmp = trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (GES_IS_TRACK_TITLE_SOURCE (trackobject))
ges_track_title_source_set_valignment (GES_TRACK_TITLE_SOURCE
(trackobject), self->priv->valign);
g_object_unref (GES_TRACK_OBJECT (tmp->data));
for (tmp = self->priv->track_titles; tmp; tmp = tmp->next) {
ges_track_title_source_set_valignment (GES_TRACK_TITLE_SOURCE (tmp->data),
self->priv->valign);
}
g_list_free (trackobjects);
}
/**
@ -465,6 +441,33 @@ ges_timeline_title_source_is_muted (GESTimelineTitleSource * self)
return self->priv->mute;
}
static void
ges_timeline_title_source_track_object_released (GESTimelineObject * obj,
GESTrackObject * tckobj)
{
GESTimelineTitleSourcePrivate *priv = GES_TIMELINE_TITLE_SOURCE (obj)->priv;
/* If this is called, we should be sure the tckobj exists */
if (GES_IS_TRACK_TITLE_SOURCE (tckobj)) {
GST_DEBUG ("GESTrackTitle %p released from %p", tckobj, obj);
priv->track_titles = g_slist_remove (priv->track_titles, tckobj);
g_object_unref (tckobj);
}
}
static void
ges_timeline_title_source_track_object_added (GESTimelineObject * obj,
GESTrackObject * tckobj)
{
GESTimelineTitleSourcePrivate *priv = GES_TIMELINE_TITLE_SOURCE (obj)->priv;
if (GES_IS_TRACK_TITLE_SOURCE (tckobj)) {
GST_DEBUG ("GESTrackTitle %p added to %p", tckobj, obj);
priv->track_titles =
g_slist_prepend (priv->track_titles, g_object_ref (tckobj));
}
}
static GESTrackObject *
ges_timeline_title_source_create_track_object (GESTimelineObject * obj,
GESTrack * track)