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authorChristian Persch <chpe@cvs.gnome.org>2006-09-30 05:16:24 +0800
committerChristian Persch <chpe@src.gnome.org>2006-09-30 05:16:24 +0800
commitd818bbfc4ee9abb2656230e2358fb0a66e44e62c (patch)
tree853f5764edc4d4a030a2e15b2825036c1f652bde /lib
parent7c047b3fec6edd5b208e0c45b6f60f83b5d0e8ab (diff)
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Simplify code and save some memory.
2006-09-29 Christian Persch <chpe@cvs.gnome.org> * lib/widgets/ephy-spinner.c: (ephy_spinner_images_ref), (ephy_spinner_images_unref), (ephy_spinner_cache_data_unload), (ephy_spinner_images_load), (ephy_spinner_cache_get_images), (ephy_spinner_load_images), (ephy_spinner_unload_images), (ephy_spinner_init), (ephy_spinner_expose), (bump_spinner_frame_cb), (ephy_spinner_start), (ephy_spinner_remove_update_callback), (ephy_spinner_stop), (ephy_spinner_size_request): Simplify code and save some memory.
Diffstat (limited to 'lib')
-rw-r--r--lib/widgets/ephy-spinner.c215
1 files changed, 111 insertions, 104 deletions
diff --git a/lib/widgets/ephy-spinner.c b/lib/widgets/ephy-spinner.c
index c713fb9ee..a833b26d5 100644
--- a/lib/widgets/ephy-spinner.c
+++ b/lib/widgets/ephy-spinner.c
@@ -76,11 +76,13 @@ struct _EphySpinnerCachePrivate
typedef struct
{
+ guint ref_count;
GtkIconSize size;
int width;
int height;
GdkPixbuf *quiescent_pixbuf;
- GList *images;
+ GdkPixbuf **animation_pixbufs;
+ guint n_animation_pixbufs;
} EphySpinnerImages;
#define LAST_ICON_SIZE GTK_ICON_SIZE_DIALOG + 1
@@ -128,34 +130,38 @@ ephy_spinner_cache_get_type (void)
return type;
}
-static void
-ephy_spinner_images_free (EphySpinnerImages *images)
+static EphySpinnerImages *
+ephy_spinner_images_ref (EphySpinnerImages *images)
{
- if (images != NULL)
- {
- g_list_foreach (images->images, (GFunc) g_object_unref, NULL);
- g_list_free (images->images);
+ g_return_val_if_fail (images != NULL, NULL);
- g_object_unref (images->quiescent_pixbuf);
+ images->ref_count++;
- g_free (images);
- }
+ return images;
}
-static EphySpinnerImages *
-ephy_spinner_images_copy (EphySpinnerImages *images)
+static void
+ephy_spinner_images_unref (EphySpinnerImages *images)
{
- EphySpinnerImages *copy = g_new (EphySpinnerImages, 1);
+ g_return_if_fail (images != NULL);
- copy->size = images->size;
- copy->width = images->width;
- copy->height = images->height;
+ images->ref_count--;
+ if (images->ref_count == 0)
+ {
+ guint i;
+
+ LOG ("Freeing spinner images %p for size %d", images, images->size);
+
+ for (i = 0; i < images->n_animation_pixbufs; ++i)
+ {
+ g_object_unref (images->animation_pixbufs[i]);
+ }
+ g_free (images->animation_pixbufs);
- copy->quiescent_pixbuf = g_object_ref (images->quiescent_pixbuf);
- copy->images = g_list_copy (images->images);
- g_list_foreach (copy->images, (GFunc) g_object_ref, NULL);
+ g_object_unref (images->quiescent_pixbuf);
- return copy;
+ g_free (images);
+ }
}
static void
@@ -173,7 +179,7 @@ ephy_spinner_cache_data_unload (EphySpinnerCacheData *data)
images = data->images[size];
if (images != NULL && images != EPHY_SPINNER_IMAGES_INVALID)
{
- ephy_spinner_images_free (images);
+ ephy_spinner_images_unref (images);
}
data->images[size] = NULL;
@@ -235,9 +241,9 @@ ephy_spinner_images_load (GdkScreen *screen,
GdkPixbuf *rest_pixbuf = NULL;
GdkPixbuf *icon_pixbuf, *pixbuf;
GtkIconInfo *icon_info = NULL;
- int grid_width, grid_height, x, y, requested_size, size, h, w, isw, ish;
+ int grid_width, grid_height, x, y, requested_size, size, h, w, isw, ish, n;
const char *icon;
- GList *list = NULL, *l;
+ GSList *list = NULL, *l;
LOG ("EphySpinnerCacheData loading for screen %p at size %d", screen, icon_size);
@@ -302,6 +308,7 @@ ephy_spinner_images_load (GdkScreen *screen,
grid_width = gdk_pixbuf_get_width (icon_pixbuf);
grid_height = gdk_pixbuf_get_height (icon_pixbuf);
+ n = 0;
for (y = 0; y < grid_height; y += size)
{
for (x = 0; x < grid_width ; x += size)
@@ -310,7 +317,8 @@ ephy_spinner_images_load (GdkScreen *screen,
if (pixbuf)
{
- list = g_list_prepend (list, pixbuf);
+ list = g_slist_prepend (list, pixbuf);
+ ++n;
}
else
{
@@ -319,10 +327,10 @@ ephy_spinner_images_load (GdkScreen *screen,
}
}
- list = g_list_reverse (list);
g_object_unref (icon_pixbuf);
if (list == NULL) goto loser;
+ g_assert (n > 0);
if (size > requested_size)
{
@@ -331,15 +339,26 @@ ephy_spinner_images_load (GdkScreen *screen,
l->data = scale_to_size (l->data, isw, ish);
}
}
-
+
/* Now we've successfully got all the data */
images = g_new (EphySpinnerImages, 1);
+ images->ref_count = 1;
images->size = icon_size;
images->width = images->height = requested_size;
- images->images = list;
images->quiescent_pixbuf = rest_pixbuf;
+ images->n_animation_pixbufs = n;
+ images->animation_pixbufs = g_new (GdkPixbuf *, n);
+
+ for (l = list; l != NULL; l = l->next)
+ {
+ images->animation_pixbufs[--n] = l->data;
+ }
+ g_assert (n == 0);
+
+ g_slist_free (list);
+
STOP_PROFILER ("loading spinner animation")
return images;
@@ -353,7 +372,7 @@ loser:
{
g_object_unref (rest_pixbuf);
}
- g_list_foreach (list, (GFunc) g_object_unref, NULL);
+ g_slist_foreach (list, (GFunc) g_object_unref, NULL);
STOP_PROFILER ("loading spinner animation")
@@ -431,7 +450,7 @@ ephy_spinner_cache_get_images (EphySpinnerCache *cache,
if (images != NULL)
{
/* Return cached data */
- return ephy_spinner_images_copy (images);
+ return ephy_spinner_images_ref (images);
}
images = ephy_spinner_images_load (screen, data->icon_theme, icon_size);
@@ -446,7 +465,7 @@ ephy_spinner_cache_get_images (EphySpinnerCache *cache,
data->images[icon_size] = images;
- return ephy_spinner_images_copy (images);
+ return ephy_spinner_images_ref (images);
}
static void
@@ -520,10 +539,11 @@ struct _EphySpinnerDetails
EphySpinnerCache *cache;
GtkIconSize size;
EphySpinnerImages *images;
- GList *current_image;
+ guint current_image;
guint timeout;
guint timer_task;
guint spinning : 1;
+ guint need_load : 1;
};
static void ephy_spinner_class_init (EphySpinnerClass *class);
@@ -564,7 +584,7 @@ ephy_spinner_load_images (EphySpinner *spinner)
{
EphySpinnerDetails *details = spinner->details;
- if (details->images == NULL)
+ if (details->need_load)
{
START_PROFILER ("ephy_spinner_load_images")
@@ -574,12 +594,10 @@ ephy_spinner_load_images (EphySpinner *spinner)
gtk_widget_get_screen (GTK_WIDGET (spinner)),
details->size);
- if (details->images != NULL)
- {
- details->current_image = details->images->images;
- }
-
STOP_PROFILER ("ephy_spinner_load_images")
+
+ details->current_image = 0;
+ details->need_load = FALSE;
}
return details->images != NULL;
@@ -588,9 +606,16 @@ ephy_spinner_load_images (EphySpinner *spinner)
static void
ephy_spinner_unload_images (EphySpinner *spinner)
{
- ephy_spinner_images_free (spinner->details->images);
- spinner->details->images = NULL;
- spinner->details->current_image = NULL;
+ EphySpinnerDetails *details = spinner->details;
+
+ if (details->images != NULL)
+ {
+ ephy_spinner_images_unref (details->images);
+ details->images = NULL;
+ }
+
+ details->current_image = 0;
+ details->need_load = TRUE;
}
static void
@@ -604,13 +629,7 @@ icon_theme_changed_cb (GtkIconTheme *icon_theme,
static void
ephy_spinner_init (EphySpinner *spinner)
{
- EphySpinnerDetails *details = spinner->details;
- GtkWidget *widget = GTK_WIDGET (spinner);
-
- gtk_widget_set_events (widget,
- gtk_widget_get_events (widget)
- | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
- | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
+ EphySpinnerDetails *details;
details = spinner->details = EPHY_SPINNER_GET_PRIVATE (spinner);
@@ -618,29 +637,7 @@ ephy_spinner_init (EphySpinner *spinner)
details->size = GTK_ICON_SIZE_DIALOG;
details->spinning = FALSE;
details->timeout = SPINNER_TIMEOUT;
-}
-
-static GdkPixbuf *
-select_spinner_image (EphySpinner *spinner)
-{
- EphySpinnerDetails *details = spinner->details;
- EphySpinnerImages *images = details->images;
-
- g_return_val_if_fail (images != NULL, NULL);
-
- if (spinner->details->timer_task == 0)
- {
- if (images->quiescent_pixbuf != NULL)
- {
- return g_object_ref (details->images->quiescent_pixbuf);
- }
-
- return NULL;
- }
-
- g_return_val_if_fail (details->current_image != NULL, NULL);
-
- return g_object_ref (details->current_image->data);
+ details->need_load = TRUE;
}
static int
@@ -648,6 +645,8 @@ ephy_spinner_expose (GtkWidget *widget,
GdkEventExpose *event)
{
EphySpinner *spinner = EPHY_SPINNER (widget);
+ EphySpinnerDetails *details = spinner->details;
+ EphySpinnerImages *images;
GdkPixbuf *pixbuf;
GdkGC *gc;
int x_offset, y_offset, width, height;
@@ -655,15 +654,34 @@ ephy_spinner_expose (GtkWidget *widget,
if (!GTK_WIDGET_DRAWABLE (spinner))
{
- return TRUE;
+ return FALSE;
+ }
+
+ if (details->need_load &&
+ !ephy_spinner_load_images (spinner))
+ {
+ return FALSE;
+ }
+
+ images = details->images;
+ if (images == NULL)
+ {
+ return FALSE;
}
- if (!ephy_spinner_load_images (spinner))
+ if (details->spinning &&
+ images->n_animation_pixbufs > 0)
+ {
+ g_assert (details->current_image >= 0 &&
+ details->current_image < images->n_animation_pixbufs);
+
+ pixbuf = images->animation_pixbufs[details->current_image];
+ }
+ else
{
- return TRUE;
+ pixbuf = images->quiescent_pixbuf;
}
- pixbuf = select_spinner_image (spinner);
if (pixbuf == NULL)
{
return FALSE;
@@ -683,7 +701,6 @@ ephy_spinner_expose (GtkWidget *widget,
if (!gdk_rectangle_intersect (&event->area, &pix_area, &dest))
{
- g_object_unref (pixbuf);
return FALSE;
}
@@ -696,8 +713,6 @@ ephy_spinner_expose (GtkWidget *widget,
GDK_RGB_DITHER_MAX, 0, 0);
g_object_unref (gc);
- g_object_unref (pixbuf);
-
return FALSE;
}
@@ -707,27 +722,17 @@ bump_spinner_frame_cb (EphySpinner *spinner)
EphySpinnerDetails *details = spinner->details;
GList *frame;
- if (!GTK_WIDGET_DRAWABLE (spinner)) return TRUE;
-
/* This can happen when we've unloaded the images on a theme
* change, but haven't been in the queued size request yet.
* Just skip this update.
*/
if (details->images == NULL) return TRUE;
- frame = details->current_image;
- g_assert (frame != NULL);
-
- if (frame->next != NULL)
+ details->current_image++;
+ if (details->current_image >= details->images->n_animation_pixbufs)
{
- frame = frame->next;
+ details->current_image = 0;
}
- else
- {
- frame = g_list_first (frame);
- }
-
- details->current_image = frame;
gtk_widget_queue_draw (GTK_WIDGET (spinner));
@@ -752,11 +757,7 @@ ephy_spinner_start (EphySpinner *spinner)
details->timer_task == 0 &&
ephy_spinner_load_images (spinner))
{
- if (details->images != NULL)
- {
- /* reset to first frame */
- details->current_image = details->images->images;
- }
+ details->current_image = 0;
details->timer_task =
g_timeout_add (details->timeout,
@@ -768,10 +769,12 @@ ephy_spinner_start (EphySpinner *spinner)
static void
ephy_spinner_remove_update_callback (EphySpinner *spinner)
{
- if (spinner->details->timer_task != 0)
+ EphySpinnerDetails *details = spinner->details;
+
+ if (details->timer_task != 0)
{
- g_source_remove (spinner->details->timer_task);
- spinner->details->timer_task = 0;
+ g_source_remove (details->timer_task);
+ details->timer_task = 0;
}
}
@@ -788,7 +791,7 @@ ephy_spinner_stop (EphySpinner *spinner)
details->spinning = FALSE;
- if (spinner->details->timer_task != 0)
+ if (details->timer_task != 0)
{
ephy_spinner_remove_update_callback (spinner);
@@ -858,22 +861,26 @@ ephy_spinner_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
EphySpinner *spinner = EPHY_SPINNER (widget);
+ EphySpinnerDetails *details = spinner->details;
- if (!ephy_spinner_load_images (spinner))
+ if ((details->need_load &&
+ !ephy_spinner_load_images (spinner)) ||
+ details->images == NULL)
{
requisition->width = requisition->height = 0;
gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (widget),
- spinner->details->size,
+ details->size,
&requisition->width,
&requisition->height);
return;
}
- requisition->width = spinner->details->images->width;
- requisition->height = spinner->details->images->height;
+ requisition->width = details->images->width;
+ requisition->height = details->images->height;
+ /* FIXME fix this hack */
/* allocate some extra margin so we don't butt up against toolbar edges */
- if (spinner->details->size != GTK_ICON_SIZE_MENU)
+ if (details->size != GTK_ICON_SIZE_MENU)
{
requisition->width += 2;
requisition->height += 2;