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2008-03-19 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-score.[ch]: Small clean ups and refactoring. Use gulong instead of guint, so we have a bigger id space for the timelines inside a Score.
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Emmanuele Bassi
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57f9439031
@ -1,3 +1,9 @@
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2008-03-19 Emmanuele Bassi <ebassi@openedhand.com>
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* clutter/clutter-score.[ch]: Small clean ups and refactoring.
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Use gulong instead of guint, so we have a bigger id space for
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the timelines inside a Score.
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2008-03-19 Chris Lord <chris@openedhand.com>
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* clutter/clutter-actor.c:
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@ -47,6 +47,7 @@
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* timeline_3 = clutter_timeline_new_for_duration (500);
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*
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* score = clutter_score_new ();
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*
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* clutter_score_append (score, NULL, timeline_1);
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* clutter_score_append (score, timeline_1, timeline_2);
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* clutter_score_append (score, timeline_1, timeline_3);
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@ -60,8 +61,8 @@
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* New timelines can be appended to the #ClutterScore using
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* clutter_score_append() and removed using clutter_score_remove().
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*
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* Timelines can also be appended to a specific marker, using
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* clutter_score_append_at_marker().
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* Timelines can also be appended to a specific marker on the
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* parent timeline, using clutter_score_append_at_marker().
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*
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* The score can be cleared using clutter_score_remove_all().
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*
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@ -90,17 +91,17 @@ typedef struct _ClutterScoreEntry ClutterScoreEntry;
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struct _ClutterScoreEntry
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{
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/* the entry unique id */
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guint id;
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gulong id;
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ClutterTimeline *timeline;
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ClutterTimeline *parent;
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/* the optional marker */
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/* the optional marker on the parent */
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gchar *marker;
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/* signal handlers id */
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guint complete_id;
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guint marker_id;
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gulong complete_id;
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gulong marker_id;
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ClutterScore *score;
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@ -116,7 +117,7 @@ struct _ClutterScorePrivate
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GHashTable *running_timelines;
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guint last_id;
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gulong last_id;
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guint is_paused : 1;
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guint loop : 1;
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@ -411,28 +412,11 @@ clutter_score_is_playing (ClutterScore *score)
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return (g_hash_table_size (score->priv->running_timelines) != 0);
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}
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typedef enum {
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FIND_BY_TIMELINE,
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FIND_BY_ID,
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REMOVE_BY_ID,
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LIST_TIMELINES
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} TraverseAction;
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typedef struct {
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TraverseAction action;
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ClutterScore *score;
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/* parameters */
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union {
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ClutterTimeline *timeline;
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guint id;
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ClutterScoreEntry *entry;
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} d;
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gpointer result;
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} TraverseClosure;
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/* destroy_entry:
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* @node: a #GNode
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*
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* Frees the #ClutterScoreEntry attached to @node.
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*/
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static gboolean
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destroy_entry (GNode *node,
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G_GNUC_UNUSED gpointer data)
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@ -464,6 +448,28 @@ destroy_entry (GNode *node,
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return FALSE;
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}
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typedef enum {
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FIND_BY_TIMELINE,
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FIND_BY_ID,
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REMOVE_BY_ID,
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LIST_TIMELINES
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} TraverseAction;
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typedef struct {
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TraverseAction action;
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ClutterScore *score;
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/* parameters */
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union {
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ClutterTimeline *timeline;
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gulong id;
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ClutterScoreEntry *entry;
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} d;
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gpointer result;
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} TraverseClosure;
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/* multi-purpose traversal function for the N-ary tree used by the score */
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static gboolean
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traverse_children (GNode *node,
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@ -561,7 +567,7 @@ find_entry_by_timeline (ClutterScore *score,
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static GNode *
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find_entry_by_id (ClutterScore *score,
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guint id)
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gulong id)
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{
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ClutterScorePrivate *priv = score->priv;
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TraverseClosure closure;
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@ -632,7 +638,7 @@ on_timeline_completed (ClutterTimeline *timeline,
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g_signal_handler_disconnect (timeline, entry->complete_id);
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entry->complete_id = 0;
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CLUTTER_NOTE (SCHEDULER, "timeline [%p] ('%d') completed",
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CLUTTER_NOTE (SCHEDULER, "timeline [%p] ('%lu') completed",
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entry->timeline,
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entry->id);
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@ -667,6 +673,10 @@ start_entry (ClutterScoreEntry *entry)
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{
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ClutterScorePrivate *priv = entry->score->priv;
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/* timelines attached to a marker might already be playing when we
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* end up here from the ::completed handler, so we need to perform
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* this check to avoid restarting those timelines
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*/
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if (clutter_timeline_is_playing (entry->timeline))
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return;
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@ -675,7 +685,7 @@ start_entry (ClutterScoreEntry *entry)
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G_CALLBACK (on_timeline_completed),
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entry);
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CLUTTER_NOTE (SCHEDULER, "timeline [%p] ('%d') started",
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CLUTTER_NOTE (SCHEDULER, "timeline [%p] ('%lu') started",
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entry->timeline,
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entry->id);
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@ -692,15 +702,35 @@ start_entry (ClutterScoreEntry *entry)
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entry->timeline);
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}
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enum
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{
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ACTION_START,
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ACTION_PAUSE,
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ACTION_STOP
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};
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static void
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foreach_running_timeline_start (gpointer key,
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foreach_running_timeline (gpointer key,
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gpointer value,
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gpointer user_data)
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{
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ClutterScoreEntry *entry = value;
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gint action = GPOINTER_TO_INT (user_data);
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if (!clutter_timeline_is_playing (entry->timeline))
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switch (action)
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{
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case ACTION_START:
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clutter_timeline_start (entry->timeline);
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break;
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case ACTION_PAUSE:
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clutter_timeline_pause (entry->timeline);
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break;
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case ACTION_STOP:
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clutter_timeline_stop (entry->timeline);
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break;
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}
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}
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/**
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@ -723,8 +753,8 @@ clutter_score_start (ClutterScore *score)
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if (priv->is_paused)
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{
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g_hash_table_foreach (priv->running_timelines,
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foreach_running_timeline_start,
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NULL);
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foreach_running_timeline,
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GINT_TO_POINTER (ACTION_START));
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priv->is_paused = FALSE;
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}
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else
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@ -736,18 +766,6 @@ clutter_score_start (ClutterScore *score)
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}
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}
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static gboolean
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foreach_running_timeline_stop (gpointer key,
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gpointer value,
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gpointer user_data)
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{
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ClutterScoreEntry *entry = value;
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clutter_timeline_stop (entry->timeline);
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return TRUE;
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}
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/**
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* clutter_score_stop:
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* @score: A #ClutterScore
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@ -767,14 +785,43 @@ clutter_score_stop (ClutterScore *score)
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if (priv->running_timelines)
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{
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g_hash_table_foreach_remove (priv->running_timelines,
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foreach_running_timeline_stop,
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NULL);
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g_hash_table_foreach (priv->running_timelines,
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foreach_running_timeline,
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GINT_TO_POINTER (ACTION_STOP));
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g_hash_table_destroy (priv->running_timelines);
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priv->running_timelines = NULL;
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}
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}
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/**
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* clutter_score_pause:
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* @score: a #ClutterScore
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*
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* Pauses a playing score @score.
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*
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* Since: 0.6
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*/
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void
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clutter_score_pause (ClutterScore *score)
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{
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ClutterScorePrivate *priv;
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g_return_if_fail (CLUTTER_IS_SCORE (score));
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priv = score->priv;
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if (!clutter_score_is_playing (score))
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return;
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g_hash_table_foreach (priv->running_timelines,
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foreach_running_timeline,
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GINT_TO_POINTER (ACTION_PAUSE));
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priv->is_paused = TRUE;
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g_signal_emit (score, score_signals[PAUSED], 0);
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}
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/**
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* clutter_score_rewind:
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* @score: A #ClutterScore
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@ -798,45 +845,6 @@ clutter_score_rewind (ClutterScore *score)
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clutter_score_start (score);
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}
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static void
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foreach_running_timeline_pause (gpointer key,
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gpointer value,
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gpointer user_data)
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{
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ClutterScoreEntry *entry = value;
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clutter_timeline_pause (entry->timeline);
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}
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/**
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* clutter_score_pause:
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* @score: a #ClutterScore
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*
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* Pauses a playing score @score.
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*
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* Since: 0.6
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*/
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void
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clutter_score_pause (ClutterScore *score)
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{
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ClutterScorePrivate *priv;
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g_return_if_fail (CLUTTER_IS_SCORE (score));
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priv = score->priv;
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if (!clutter_score_is_playing (score))
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return;
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g_hash_table_foreach (priv->running_timelines,
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foreach_running_timeline_pause,
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NULL);
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priv->is_paused = TRUE;
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g_signal_emit (score, score_signals[PAUSED], 0);
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}
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static inline void
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clutter_score_clear (ClutterScore *score)
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{
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@ -853,7 +861,7 @@ clutter_score_clear (ClutterScore *score)
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/**
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* clutter_score_append:
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* @score: a #ClutterScore
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* @parent: a #ClutterTimeline in the score or %NULL
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* @parent: a #ClutterTimeline in the score, or %NULL
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* @timeline: a #ClutterTimeline
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*
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* Appends a timeline to another one existing in the score; the newly
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@ -870,7 +878,7 @@ clutter_score_clear (ClutterScore *score)
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*
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* Since: 0.6
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*/
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guint
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gulong
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clutter_score_append (ClutterScore *score,
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ClutterTimeline *parent,
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ClutterTimeline *timeline)
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@ -934,13 +942,15 @@ clutter_score_append (ClutterScore *score,
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* If you want to append @timeline at the end of @parent, use
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* clutter_score_append().
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*
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* The #ClutterScore will take a reference on @timeline.
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*
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* Return value: the id of the #ClutterTimeline inside the score, or
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* 0 on failure. The returned id can be used with clutter_score_remove()
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* or clutter_score_get_timeline().
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*
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* Since: 0.8
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*/
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guint
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gulong
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clutter_score_append_at_marker (ClutterScore *score,
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ClutterTimeline *parent,
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const gchar *marker_name,
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@ -1006,7 +1016,7 @@ clutter_score_append_at_marker (ClutterScore *score,
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*/
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void
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clutter_score_remove (ClutterScore *score,
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guint id)
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gulong id)
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{
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ClutterScorePrivate *priv;
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TraverseClosure closure;
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@ -1072,7 +1082,7 @@ clutter_score_remove_all (ClutterScore *score)
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*/
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ClutterTimeline *
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clutter_score_get_timeline (ClutterScore *score,
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guint id)
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gulong id)
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{
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GNode *node;
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ClutterScoreEntry *entry;
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@ -81,18 +81,18 @@ void clutter_score_set_loop (ClutterScore *score,
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gboolean loop);
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gboolean clutter_score_get_loop (ClutterScore *score);
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guint clutter_score_append (ClutterScore *score,
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gulong clutter_score_append (ClutterScore *score,
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ClutterTimeline *parent,
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ClutterTimeline *timeline);
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guint clutter_score_append_at_marker (ClutterScore *score,
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gulong clutter_score_append_at_marker (ClutterScore *score,
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ClutterTimeline *parent,
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const gchar *marker_name,
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ClutterTimeline *timeline);
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void clutter_score_remove (ClutterScore *score,
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guint id);
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gulong id);
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void clutter_score_remove_all (ClutterScore *score);
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ClutterTimeline *clutter_score_get_timeline (ClutterScore *score,
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guint id);
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gulong id);
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GSList * clutter_score_list_timelines (ClutterScore *score);
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void clutter_score_start (ClutterScore *score);
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