diff options
| -rw-r--r-- | libmate-desktop/mate-bg.c | 383 |
1 files changed, 289 insertions, 94 deletions
diff --git a/libmate-desktop/mate-bg.c b/libmate-desktop/mate-bg.c index 2c29528..7877b9c 100644 --- a/libmate-desktop/mate-bg.c +++ b/libmate-desktop/mate-bg.c @@ -34,6 +34,7 @@ Authors: Soren Sandmann <[email protected]> #include <stdarg.h> #include <stdlib.h> +#include <glib/gstdio.h> #include <gio/gio.h> #include <gdk/gdkx.h> @@ -59,6 +60,8 @@ Authors: Soren Sandmann <[email protected]> #define mate_bg_crossfade_set_end_surface mate_bg_crossfade_set_end_pixmap #endif +#define MATE_BG_CACHE_DIR "mate/background" + /* We keep the large pixbufs around if the next update in the slideshow is less than 60 seconds away */ #define KEEP_EXPENSIVE_CACHE_SECS 60 @@ -175,8 +178,9 @@ static gboolean get_thumb_annotations (GdkPixbuf *thumb, /* Cache */ static GdkPixbuf *get_pixbuf_for_size (MateBG *bg, - int width, - int height); + gint num_monitor, + int width, + int height); static void clear_cache (MateBG *bg); static gboolean is_different (MateBG *bg, const char *filename); @@ -621,12 +625,147 @@ mate_bg_get_filename (MateBG *bg) return bg->filename; } +static inline gchar * +get_wallpaper_cache_dir () +{ + return g_build_filename (g_get_user_cache_dir(), MATE_BG_CACHE_DIR, NULL); +} + +static inline gchar * +get_wallpaper_cache_prefix_name (gint num_monitor, + MateBGPlacement placement, + gint width, + gint height) +{ + return g_strdup_printf ("%i_%i_%i_%i", num_monitor, (gint) placement, width, height); +} + +static char * +get_wallpaper_cache_filename (const char *filename, + gint num_monitor, + MateBGPlacement placement, + gint width, + gint height) +{ + gchar *cache_filename; + gchar *cache_prefix_name; + gchar *md5_filename; + gchar *cache_basename; + gchar *cache_dir; + + md5_filename = g_compute_checksum_for_data (G_CHECKSUM_MD5, (const guchar *) filename, + strlen (filename)); + cache_prefix_name = get_wallpaper_cache_prefix_name (num_monitor, placement, width, height); + cache_basename = g_strdup_printf ("%s_%s", cache_prefix_name, md5_filename); + cache_dir = get_wallpaper_cache_dir (); + cache_filename = g_build_filename (cache_dir, cache_basename, NULL); + + g_free (cache_prefix_name); + g_free (md5_filename); + g_free (cache_basename); + g_free (cache_dir); + + return cache_filename; +} + +static void +cleanup_cache_for_monitor (gchar *cache_dir, + gint num_monitor) +{ + GDir *g_cache_dir; + gchar *monitor_prefix; + const gchar *file; + + g_cache_dir = g_dir_open (cache_dir, 0, NULL); + monitor_prefix = g_strdup_printf ("%i_", num_monitor); + + file = g_dir_read_name (g_cache_dir); + while (file != NULL) { + gchar *path = g_build_filename (cache_dir, file, NULL); + + /* purge files with same monitor id */ + if (g_str_has_prefix (file, monitor_prefix) && + g_file_test (path, G_FILE_TEST_IS_REGULAR)) + g_unlink (path); + + g_free (path); + + file = g_dir_read_name (g_cache_dir); + } + + g_free (monitor_prefix); + g_dir_close (g_cache_dir); +} + +static gboolean +cache_file_is_valid (const char *filename, + const char *cache_filename) +{ + time_t mtime; + time_t cache_mtime; + + if (!g_file_test (cache_filename, G_FILE_TEST_IS_REGULAR)) + return FALSE; + + mtime = get_mtime (filename); + cache_mtime = get_mtime (cache_filename); + + return (mtime < cache_mtime); +} + +static void +refresh_cache_file (MateBG *bg, + GdkPixbuf *new_pixbuf, + gint num_monitor, + gint width, + gint height) +{ + gchar *cache_filename; + gchar *cache_dir; + GdkPixbufFormat *format; + gchar *format_name; + + if ((num_monitor == -1) || (width <= 300) || (height <= 300)) + return; + + cache_filename = get_wallpaper_cache_filename (bg->filename, num_monitor, + bg->placement, width, height); + cache_dir = get_wallpaper_cache_dir (); + + /* Only refresh scaled file on disk if useful (and don't cache slideshow) */ + if (!cache_file_is_valid (bg->filename, cache_filename)) { + format = gdk_pixbuf_get_file_info (bg->filename, NULL, NULL); + + if (format != NULL) { + if (!g_file_test (cache_dir, G_FILE_TEST_IS_DIR)) { + g_mkdir_with_parents (cache_dir, 0700); + } else { + cleanup_cache_for_monitor (cache_dir, num_monitor); + } + + format_name = gdk_pixbuf_format_get_name (format); + + if (strcmp (format_name, "jpeg") == 0) + gdk_pixbuf_save (new_pixbuf, cache_filename, format_name, + NULL, "quality", "100", NULL); + else + gdk_pixbuf_save (new_pixbuf, cache_filename, format_name, + NULL, NULL); + + g_free (format_name); + } + } + + g_free (cache_filename); + g_free (cache_dir); +} + static void -file_changed (GFileMonitor *file_monitor, - GFile *child, - GFile *other_file, +file_changed (GFileMonitor *file_monitor, + GFile *child, + GFile *other_file, GFileMonitorEvent event_type, - gpointer user_data) + gpointer user_data) { MateBG *bg = MATE_BG (user_data); @@ -668,8 +807,8 @@ mate_bg_set_filename (MateBG *bg, } static void -draw_color_area (MateBG *bg, - GdkPixbuf *dest, +draw_color_area (MateBG *bg, + GdkPixbuf *dest, GdkRectangle *rect) { guint32 pixel; @@ -707,7 +846,7 @@ draw_color_area (MateBG *bg, } static void -draw_color (MateBG *bg, +draw_color (MateBG *bg, GdkPixbuf *dest, GdkScreen *screen) { @@ -721,7 +860,7 @@ draw_color (MateBG *bg, } static void -draw_color_each_monitor (MateBG *bg, +draw_color_each_monitor (MateBG *bg, GdkPixbuf *dest, GdkScreen *screen) { @@ -770,8 +909,8 @@ pixbuf_clip_to_fit (GdkPixbuf *src, } static GdkPixbuf * -get_scaled_pixbuf (MateBGPlacement placement, - GdkPixbuf *pixbuf, +get_scaled_pixbuf (MateBGPlacement placement, + GdkPixbuf *pixbuf, int width, int height, int *x, int *y, int *w, int *h) @@ -818,10 +957,11 @@ get_scaled_pixbuf (MateBGPlacement placement, static void -draw_image_area (MateBGPlacement placement, - GdkPixbuf *pixbuf, - GdkPixbuf *dest, - GdkRectangle *area) +draw_image_area (MateBG *bg, + gint num_monitor, + GdkPixbuf *pixbuf, + GdkPixbuf *dest, + GdkRectangle *area) { int dest_width = area->width; int dest_height = area->height; @@ -831,9 +971,9 @@ draw_image_area (MateBGPlacement placement, if (!pixbuf) return; - scaled = get_scaled_pixbuf (placement, pixbuf, dest_width, dest_height, &x, &y, &w, &h); + scaled = get_scaled_pixbuf (bg->placement, pixbuf, dest_width, dest_height, &x, &y, &w, &h); - switch (placement) { + switch (bg->placement) { case MATE_BG_PLACEMENT_TILED: pixbuf_tile (scaled, dest); break; @@ -851,13 +991,15 @@ draw_image_area (MateBGPlacement placement, break; } + refresh_cache_file (bg, scaled, num_monitor, dest_width, dest_height); + g_object_unref (scaled); } static void -draw_image (MateBGPlacement placement, - GdkPixbuf *pixbuf, - GdkPixbuf *dest) +draw_image_for_thumb (MateBG *bg, + GdkPixbuf *pixbuf, + GdkPixbuf *dest) { GdkRectangle rect; @@ -866,60 +1008,63 @@ draw_image (MateBGPlacement placement, rect.width = gdk_pixbuf_get_width (dest); rect.height = gdk_pixbuf_get_height (dest); - draw_image_area (placement, pixbuf, dest, &rect); + draw_image_area (bg, -1, pixbuf, dest, &rect); } static void -draw_once (MateBG *bg, +draw_once (MateBG *bg, GdkPixbuf *dest, - GdkScreen *screen) + GdkScreen *screen, + gboolean is_root) { GdkRectangle rect; GdkPixbuf *pixbuf; + gint monitor; + + /* whether we're drawing on root window or normal (Caja) window */ + monitor = (is_root) ? 0 : -1; rect.x = 0; rect.y = 0; rect.width = gdk_pixbuf_get_width (dest); rect.height = gdk_pixbuf_get_height (dest); - pixbuf = get_pixbuf_for_size (bg, gdk_pixbuf_get_width (dest), gdk_pixbuf_get_height (dest)); + pixbuf = get_pixbuf_for_size (bg, monitor, rect.width, rect.height); if (pixbuf) { - draw_image_area (bg->placement, - pixbuf, - dest, - &rect); + draw_image_area (bg, monitor, pixbuf, dest, &rect); + g_object_unref (pixbuf); } } static void -draw_each_monitor (MateBG *bg, +draw_each_monitor (MateBG *bg, GdkPixbuf *dest, GdkScreen *screen) { - GdkRectangle rect; - gint num_monitors; - int monitor; + gint num_monitors = gdk_screen_get_n_monitors (screen); + gint monitor = 0; - num_monitors = gdk_screen_get_n_monitors (screen); - for (monitor = 0; monitor < num_monitors; monitor++) { + for (; monitor < num_monitors; monitor++) { + GdkRectangle rect; GdkPixbuf *pixbuf; + gdk_screen_get_monitor_geometry (screen, monitor, &rect); - pixbuf = get_pixbuf_for_size (bg, rect.width, rect.height); + + pixbuf = get_pixbuf_for_size (bg, monitor, rect.width, rect.height); if (pixbuf) { - draw_image_area (bg->placement, - pixbuf, - dest, &rect); + draw_image_area (bg, monitor, pixbuf, dest, &rect); + g_object_unref (pixbuf); } } } void -mate_bg_draw (MateBG *bg, +mate_bg_draw (MateBG *bg, GdkPixbuf *dest, GdkScreen *screen, - gboolean is_root) + gboolean is_root) { if (!bg) return; @@ -932,7 +1077,7 @@ mate_bg_draw (MateBG *bg, } else { draw_color (bg, dest, screen); if (bg->filename) { - draw_once (bg, dest, screen); + draw_once (bg, dest, screen, is_root); } } } @@ -1023,14 +1168,13 @@ mate_bg_create_pixmap (MateBG *bg, g_return_val_if_fail (window != NULL, NULL); if (bg->pixbuf_cache && - gdk_pixbuf_get_width (bg->pixbuf_cache) != width && - gdk_pixbuf_get_height (bg->pixbuf_cache) != height) + (gdk_pixbuf_get_width (bg->pixbuf_cache) != width || + gdk_pixbuf_get_height (bg->pixbuf_cache) != height)) { g_object_unref (bg->pixbuf_cache); bg->pixbuf_cache = NULL; } - /* has the side effect of loading and caching pixbuf only when in tile mode */ mate_bg_get_pixmap_size (bg, width, height, &pm_width, &pm_height); @@ -1092,7 +1236,7 @@ mate_bg_is_dark (MateBG *bg, color.green = (bg->primary.green + bg->secondary.green) / 2; color.blue = (bg->primary.blue + bg->secondary.blue) / 2; } - pixbuf = get_pixbuf_for_size (bg, width, height); + pixbuf = get_pixbuf_for_size (bg, -1, width, height); if (pixbuf) { guint32 argb = pixbuf_average_value (pixbuf); guchar a = (argb >> 24) & 0xff; @@ -1259,7 +1403,7 @@ mate_bg_create_thumbnail (MateBG *bg, thumb = create_img_thumbnail (bg, factory, screen, dest_width, dest_height, -1); if (thumb) { - draw_image (bg->placement, thumb, result); + draw_image_for_thumb (bg, thumb, result); g_object_unref (thumb); } } @@ -1770,38 +1914,68 @@ file_cache_add_slide_show (MateBG *bg, } static GdkPixbuf * +load_from_cache_file (MateBG *bg, + const char *filename, + gint num_monitor, + gint best_width, + gint best_height) +{ + GdkPixbuf *pixbuf = NULL; + gchar *cache_filename; + + cache_filename = get_wallpaper_cache_filename (filename, num_monitor, bg->placement, + best_width, best_height); + + if (cache_file_is_valid (filename, cache_filename)) + pixbuf = gdk_pixbuf_new_from_file (cache_filename, NULL); + + g_free (cache_filename); + + return pixbuf; +} + +static GdkPixbuf * get_as_pixbuf_for_size (MateBG *bg, const char *filename, - int best_width, - int best_height) + gint monitor, + gint best_width, + gint best_height) { const FileCacheEntry *ent; if ((ent = file_cache_lookup (bg, PIXBUF, filename))) { return g_object_ref (ent->u.pixbuf); - } - else { + } else { GdkPixbufFormat *format; - GdkPixbuf *pixbuf; + GdkPixbuf *pixbuf = NULL; gchar *tmp = NULL; - /* If scalable choose maximum size */ - format = gdk_pixbuf_get_file_info (filename, NULL, NULL); - if (format != NULL) { - tmp = gdk_pixbuf_format_get_name (format); - } else { - tmp = NULL; + /* Try to hit local cache first if relevant */ + if (monitor != -1) + pixbuf = load_from_cache_file (bg, filename, monitor, + best_width, best_height); + + if (!pixbuf) { + /* If scalable choose maximum size */ + format = gdk_pixbuf_get_file_info (filename, NULL, NULL); + if (format != NULL) + tmp = gdk_pixbuf_format_get_name (format); + + if (g_strcmp0 (tmp, "svg") == 0 && + (best_width > 0 && best_height > 0) && + (bg->placement == MATE_BG_PLACEMENT_FILL_SCREEN || + bg->placement == MATE_BG_PLACEMENT_SCALED || + bg->placement == MATE_BG_PLACEMENT_ZOOMED)) + { + pixbuf = gdk_pixbuf_new_from_file_at_size (filename, + best_width, + best_height, NULL); + } else { + pixbuf = gdk_pixbuf_new_from_file (filename, NULL); + } + + if (tmp != NULL) + g_free (tmp); } - if (tmp != NULL && - g_strcmp0 (tmp, "svg") == 0 && - (best_width > 0 && best_height > 0) && - (bg->placement == MATE_BG_PLACEMENT_FILL_SCREEN || - bg->placement == MATE_BG_PLACEMENT_SCALED || - bg->placement == MATE_BG_PLACEMENT_ZOOMED)) - pixbuf = gdk_pixbuf_new_from_file_at_size (filename, best_width, best_height, NULL); - else - pixbuf = gdk_pixbuf_new_from_file (filename, NULL); - if (tmp != NULL) - g_free (tmp); if (pixbuf) file_cache_add_pixbuf (bg, filename, pixbuf); @@ -1848,18 +2022,19 @@ static gboolean blow_expensive_caches (gpointer data) { MateBG *bg = data; - GList *list, *next; + GList *list; bg->blow_caches_id = 0; - for (list = bg->file_cache; list != NULL; list = next) { - FileCacheEntry *ent = list->data; - next = list->next; + if (bg->file_cache) { + for (list = bg->file_cache; list != NULL; list = list->next) { + FileCacheEntry *ent = list->data; - if (ent->type == PIXBUF) { - file_cache_entry_delete (ent); - bg->file_cache = g_list_delete_link (bg->file_cache, - list); + if (ent->type == PIXBUF) { + file_cache_entry_delete (ent); + bg->file_cache = g_list_delete_link (bg->file_cache, + list); + } } } @@ -1924,9 +2099,13 @@ ensure_timeout (MateBG *bg, { if (!bg->timeout_id) { double timeout = get_slide_timeout (slide); - bg->timeout_id = g_timeout_add_full ( - G_PRIORITY_LOW, - timeout * 1000, on_timeout, bg, NULL); + + /* G_MAXUINT means "only one slide" */ + if (timeout < G_MAXUINT) { + bg->timeout_id = g_timeout_add_full ( + G_PRIORITY_LOW, + timeout * 1000, on_timeout, bg, NULL); + } } } @@ -2167,6 +2346,7 @@ find_best_size (GSList *sizes, gint width, gint height) static GdkPixbuf * get_pixbuf_for_size (MateBG *bg, + gint monitor, gint best_width, gint best_height) { @@ -2188,7 +2368,8 @@ get_pixbuf_for_size (MateBG *bg, if (!hit_cache && bg->filename) { bg->file_mtime = get_mtime (bg->filename); - bg->pixbuf_cache = get_as_pixbuf_for_size (bg, bg->filename, best_width, best_height); + bg->pixbuf_cache = get_as_pixbuf_for_size (bg, bg->filename, monitor, + best_width, best_height); time_until_next_change = G_MAXUINT; if (!bg->pixbuf_cache) { SlideShow *show = get_as_slideshow (bg, bg->filename); @@ -2202,21 +2383,27 @@ get_pixbuf_for_size (MateBG *bg, slide = get_current_slide (show, &alpha); time_until_next_change = (guint)get_slide_timeout (slide); if (slide->fixed) { - FileSize *size; - size = find_best_size (slide->file1, best_width, best_height); - bg->pixbuf_cache = get_as_pixbuf_for_size (bg, size->file, best_width, best_height); - } - else { + FileSize *size = find_best_size (slide->file1, + best_width, best_height); + bg->pixbuf_cache = + get_as_pixbuf_for_size (bg, size->file, monitor, + best_width, best_height); + } else { FileSize *size; GdkPixbuf *p1, *p2; - size = find_best_size (slide->file1, best_width, best_height); - p1 = get_as_pixbuf_for_size (bg, size->file, best_width, best_height); - size = find_best_size (slide->file2, best_width, best_height); - p2 = get_as_pixbuf_for_size (bg, size->file, best_width, best_height); - if (p1 && p2) { + size = find_best_size (slide->file1, + best_width, best_height); + p1 = get_as_pixbuf_for_size (bg, size->file, monitor, + best_width, best_height); + + size = find_best_size (slide->file2, + best_width, best_height); + p2 = get_as_pixbuf_for_size (bg, size->file, monitor, + best_width, best_height); + + if (p1 && p2) bg->pixbuf_cache = blend (p1, p2, alpha); - } if (p1) g_object_unref (p1); if (p2) @@ -2873,16 +3060,24 @@ read_slideshow_file (const char *filename, g_markup_parse_context_free (context); if (show) { + int len; + t = mktime (&show->start_tm); show->start_time = (double)t; dump_bg (show); + len = g_queue_get_length (show->slides); + /* no slides, that's not a slideshow */ - if (g_queue_get_length (show->slides) == 0) { + if (len == 0) { slideshow_unref (show); show = NULL; + /* one slide, there's no transition */ + } else if (len == 1) { + Slide *slide = show->slides->head->data; + slide->duration = G_MAXUINT; } } @@ -3052,7 +3247,7 @@ mate_bg_create_frame_thumbnail (MateBG *bg, frame_num + skipped); if (thumb) { - draw_image (bg->placement, thumb, result); + draw_image_for_thumb (bg, thumb, result); g_object_unref (thumb); } } |