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authorStefano Karapetsas <[email protected]>2012-10-10 19:35:21 +0200
committerStefano Karapetsas <[email protected]>2012-10-10 19:35:21 +0200
commit2bad19e7888648507079d10340a01a4aa6b24e12 (patch)
tree22453cdf20872ce3e3eb3db54d1dbe3642205d3c /libcaja-private/caja-thumbnails.c
parent2fbc016ecf597878e7a650db8f80ed91a49176b8 (diff)
downloadcaja-2bad19e7888648507079d10340a01a4aa6b24e12.tar.bz2
caja-2bad19e7888648507079d10340a01a4aa6b24e12.tar.xz
refactor thumbnails codemate-file-manager-1.5.0
Diffstat (limited to 'libcaja-private/caja-thumbnails.c')
-rw-r--r--libcaja-private/caja-thumbnails.c498
1 files changed, 9 insertions, 489 deletions
diff --git a/libcaja-private/caja-thumbnails.c b/libcaja-private/caja-thumbnails.c
index d1c52561..ef62edba 100644
--- a/libcaja-private/caja-thumbnails.c
+++ b/libcaja-private/caja-thumbnails.c
@@ -71,18 +71,6 @@ typedef struct
time_t original_file_mtime;
} CajaThumbnailInfo;
-struct CajaThumbnailAsyncLoadHandle
-{
- GCancellable *cancellable;
- char *file_path;
- guint base_size;
- guint nominal_size;
- gboolean force_nominal;
- CajaThumbnailAsyncLoadFunc load_func;
- gpointer load_func_user_data;
-};
-
-
/*
* Thumbnail thread state.
*/
@@ -100,11 +88,6 @@ static pthread_mutex_t thumbnails_mutex = PTHREAD_MUTEX_INITIALIZER;
start more than one. Lock thumbnails_mutex when accessing this. */
static volatile gboolean thumbnail_thread_is_running = FALSE;
-/* Added in glib 2.14 */
-#ifndef G_QUEUE_INIT
-#define G_QUEUE_INIT { NULL, NULL, 0 }
-#endif
-
/* The list of CajaThumbnailInfo structs containing information about the
thumbnails we are making. Lock thumbnails_mutex when accessing this. */
static volatile GQueue thumbnails_to_make = G_QUEUE_INIT;
@@ -118,8 +101,6 @@ static CajaThumbnailInfo *currently_thumbnailing = NULL;
static MateDesktopThumbnailFactory *thumbnail_factory = NULL;
-static int thumbnail_icon_size = 0;
-
static gboolean
get_file_mtime (const char *file_uri, time_t* mtime)
{
@@ -211,428 +192,6 @@ thumbnail_thread_starter_cb (gpointer data)
}
void
-caja_update_thumbnail_file_copied (const char *source_file_uri,
- const char *destination_file_uri)
-{
- char *old_thumbnail_path;
- time_t mtime;
- GdkPixbuf *pixbuf;
- MateDesktopThumbnailFactory *factory;
-
- old_thumbnail_path = mate_desktop_thumbnail_path_for_uri (source_file_uri, MATE_DESKTOP_THUMBNAIL_SIZE_NORMAL);
- if (old_thumbnail_path != NULL &&
- g_file_test (old_thumbnail_path, G_FILE_TEST_EXISTS))
- {
- if (get_file_mtime (destination_file_uri, &mtime))
- {
- pixbuf = gdk_pixbuf_new_from_file (old_thumbnail_path, NULL);
-
- if (pixbuf && mate_desktop_thumbnail_has_uri (pixbuf, source_file_uri))
- {
- factory = get_thumbnail_factory ();
- mate_desktop_thumbnail_factory_save_thumbnail (factory,
- pixbuf,
- destination_file_uri,
- mtime);
- }
-
- if (pixbuf)
- {
- g_object_unref (pixbuf);
- }
- }
- }
-
- g_free (old_thumbnail_path);
-}
-
-void
-caja_update_thumbnail_file_renamed (const char *source_file_uri,
- const char *destination_file_uri)
-{
- caja_update_thumbnail_file_copied (source_file_uri, destination_file_uri);
- caja_remove_thumbnail_for_file (source_file_uri);
-}
-
-void
-caja_remove_thumbnail_for_file (const char *file_uri)
-{
- char *thumbnail_path;
-
- thumbnail_path = mate_desktop_thumbnail_path_for_uri (file_uri, MATE_DESKTOP_THUMBNAIL_SIZE_NORMAL);
- if (thumbnail_path != NULL)
- {
- unlink (thumbnail_path);
- }
- g_free (thumbnail_path);
-}
-
-static GdkPixbuf *
-caja_get_thumbnail_frame (void)
-{
- char *image_path;
- static GdkPixbuf *thumbnail_frame = NULL;
-
- if (thumbnail_frame == NULL)
- {
- image_path = caja_pixmap_file ("thumbnail_frame.png");
- if (image_path != NULL)
- {
- thumbnail_frame = gdk_pixbuf_new_from_file (image_path, NULL);
- }
- g_free (image_path);
- }
-
- return thumbnail_frame;
-}
-
-
-void
-caja_thumbnail_frame_image (GdkPixbuf **pixbuf)
-{
- GdkPixbuf *pixbuf_with_frame, *frame;
- int left_offset, top_offset, right_offset, bottom_offset;
-
- /* The pixbuf isn't already framed (i.e., it was not made by
- * an old Caja), so we must embed it in a frame.
- */
-
- frame = caja_get_thumbnail_frame ();
- if (frame == NULL)
- {
- return;
- }
-
- left_offset = CAJA_THUMBNAIL_FRAME_LEFT;
- top_offset = CAJA_THUMBNAIL_FRAME_TOP;
- right_offset = CAJA_THUMBNAIL_FRAME_RIGHT;
- bottom_offset = CAJA_THUMBNAIL_FRAME_BOTTOM;
-
- pixbuf_with_frame = eel_embed_image_in_frame
- (*pixbuf, frame,
- left_offset, top_offset, right_offset, bottom_offset);
- g_object_unref (*pixbuf);
-
- *pixbuf = pixbuf_with_frame;
-}
-
-GdkPixbuf *
-caja_thumbnail_unframe_image (GdkPixbuf *pixbuf)
-{
- GdkPixbuf *pixbuf_without_frame, *frame;
- int left_offset, top_offset, right_offset, bottom_offset;
- int w, h;
-
- /* The pixbuf isn't already framed (i.e., it was not made by
- * an old Caja), so we must embed it in a frame.
- */
-
- frame = caja_get_thumbnail_frame ();
- if (frame == NULL)
- {
- return NULL;
- }
-
- left_offset = CAJA_THUMBNAIL_FRAME_LEFT;
- top_offset = CAJA_THUMBNAIL_FRAME_TOP;
- right_offset = CAJA_THUMBNAIL_FRAME_RIGHT;
- bottom_offset = CAJA_THUMBNAIL_FRAME_BOTTOM;
-
- w = gdk_pixbuf_get_width (pixbuf) - left_offset - right_offset;
- h = gdk_pixbuf_get_height (pixbuf) - top_offset - bottom_offset;
- pixbuf_without_frame =
- gdk_pixbuf_new (gdk_pixbuf_get_colorspace (pixbuf),
- gdk_pixbuf_get_has_alpha (pixbuf),
- gdk_pixbuf_get_bits_per_sample (pixbuf),
- w, h);
-
- gdk_pixbuf_copy_area (pixbuf,
- left_offset, top_offset,
- w, h,
- pixbuf_without_frame, 0, 0);
-
- return pixbuf_without_frame;
-}
-
-typedef struct
-{
- gboolean is_thumbnail;
- guint base_size;
- guint nominal_size;
- gboolean force_nominal;
- int original_height;
- int original_width;
- double *scale_x_out;
- double *scale_y_out;
-} ThumbnailLoadArgs;
-
-static void
-thumbnail_loader_size_prepared (GdkPixbufLoader *loader,
- int width,
- int height,
- ThumbnailLoadArgs *args)
-{
- int size = MAX (width, height);
-
- args->original_width = width;
- args->original_height = height;
-
- if (args->force_nominal)
- {
- args->base_size = size;
- }
- else if (args->base_size == 0)
- {
- if (args->is_thumbnail)
- {
- args->base_size = 128 * CAJA_ICON_SIZE_STANDARD / thumbnail_icon_size;
- }
- else
- {
- if (size > args->nominal_size * thumbnail_icon_size / CAJA_ICON_SIZE_STANDARD)
- {
- args->base_size = size * CAJA_ICON_SIZE_STANDARD / thumbnail_icon_size;
- }
- else if (size > CAJA_ICON_SIZE_STANDARD)
- {
- args->base_size = args->nominal_size;
- }
- else
- {
- /* Don't scale up small icons */
- args->base_size = CAJA_ICON_SIZE_STANDARD;
- }
- }
- }
-
- if (args->base_size != args->nominal_size)
- {
- double scale;
-
- scale = (double) args->nominal_size / args->base_size;
-
- if ((int) (width * scale) > CAJA_ICON_MAXIMUM_SIZE ||
- (int) (height * scale) > CAJA_ICON_MAXIMUM_SIZE)
- {
- scale = MIN ((double) CAJA_ICON_MAXIMUM_SIZE / width,
- (double) CAJA_ICON_MAXIMUM_SIZE / height);
- }
-
- width = MAX (1, floor (width * scale + 0.5));
- height = MAX (1, floor (height * scale + 0.5));
-
- gdk_pixbuf_loader_set_size (loader, width, height);
- }
-
-}
-
-static void
-thumbnail_loader_area_prepared (GdkPixbufLoader *loader,
- ThumbnailLoadArgs *args)
-{
- GdkPixbuf *pixbuf;
-
- pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
-
- *args->scale_x_out = (double) gdk_pixbuf_get_width (pixbuf) / args->original_width;
- *args->scale_y_out = (double) gdk_pixbuf_get_height (pixbuf) / args->original_height;
-}
-
-static GdkPixbuf *
-get_pixbuf_from_data (const unsigned char *buffer,
- gsize buflen,
- const char *path,
- guint base_size,
- guint nominal_size,
- gboolean force_nominal,
- double *scale_x_out,
- double *scale_y_out)
-{
- GdkPixbufLoader *loader;
- GdkPixbuf *pixbuf;
- ThumbnailLoadArgs args;
- GError *error;
-
- if (thumbnail_icon_size == 0)
- {
- eel_g_settings_add_auto_int (caja_icon_view_preferences,
- CAJA_PREFERENCES_ICON_VIEW_THUMBNAIL_SIZE,
- &thumbnail_icon_size);
- }
-
- loader = gdk_pixbuf_loader_new ();
- g_signal_connect (loader, "size-prepared",
- G_CALLBACK (thumbnail_loader_size_prepared),
- &args);
- g_signal_connect (loader, "area-prepared",
- G_CALLBACK (thumbnail_loader_area_prepared),
- &args);
-
- args.is_thumbnail = strstr (path, "/.thumbnails/") != NULL;
- args.base_size = base_size;
- args.nominal_size = nominal_size;
- args.force_nominal = force_nominal;
- args.scale_x_out = scale_x_out;
- args.scale_y_out = scale_y_out;
-
- error = NULL;
-
- if (!gdk_pixbuf_loader_write (loader, buffer, buflen, &error))
- {
- g_message ("Failed to write %s to thumbnail pixbuf loader: %s", path, error->message);
-
- gdk_pixbuf_loader_close (loader, NULL);
- g_object_unref (G_OBJECT (loader));
- g_error_free (error);
-
- return NULL;
- }
-
- error = NULL;
-
- if (!gdk_pixbuf_loader_close (loader, &error) ||
- /* Seems we have to check this even if it returned TRUE (#403255) */
- error != NULL)
- {
- /* In some cases, we don't get an error even with FALSE returns (#538888) */
- if (error != NULL)
- {
- g_message ("Failed to close thumbnail pixbuf loader for %s: %s", path, error->message);
- }
- else
- {
- g_message ("Failed to close thumbnail pixbuf loader for %s", path);
- }
-
- g_object_unref (G_OBJECT (loader));
- g_error_free (error);
-
- return NULL;
- }
-
- pixbuf = g_object_ref (gdk_pixbuf_loader_get_pixbuf (loader));
-
- g_object_unref (G_OBJECT (loader));
-
- return pixbuf;
-}
-
-
-/* routine to load an image from the passed-in path
- */
-GdkPixbuf *
-caja_thumbnail_load_image (const char *path,
- guint base_size,
- guint nominal_size,
- gboolean force_nominal,
- double *scale_x_out,
- double *scale_y_out)
-{
- GdkPixbuf *pixbuf;
- guchar *buffer;
- gsize buflen;
- GError *error;
-
- error = NULL;
-
- if (!g_file_get_contents (path, (gchar **) &buffer, &buflen, &error))
- {
- g_message ("Failed to load %s into memory: %s", path, error->message);
-
- g_error_free (error);
-
- return NULL;
- }
-
- pixbuf = get_pixbuf_from_data (buffer, buflen, path,
- base_size, nominal_size, force_nominal,
- scale_x_out, scale_y_out);
-
- g_free (buffer);
-
- return pixbuf;
-}
-
-static void
-async_thumbnail_read_image (GObject *source_object,
- GAsyncResult *res,
- gpointer callback_data)
-{
- CajaThumbnailAsyncLoadHandle *handle = callback_data;
- GdkPixbuf *pixbuf;
- double scale_x, scale_y;
- gsize file_size;
- char *file_contents;
-
- pixbuf = NULL;
- scale_x = scale_y = 1.0;
-
- if (g_file_load_contents_finish (G_FILE (source_object),
- res,
- &file_contents, &file_size,
- NULL, NULL))
- {
- pixbuf = get_pixbuf_from_data (file_contents, file_size,
- handle->file_path,
- handle->base_size,
- handle->nominal_size,
- handle->force_nominal,
- &scale_x, &scale_y);
- g_free (file_contents);
- }
-
- handle->load_func (handle,
- handle->file_path,
- pixbuf, scale_x, scale_y,
- handle->load_func_user_data);
-
- g_object_unref (pixbuf);
-
- g_object_unref (handle->cancellable);
- g_free (handle->file_path);
- g_free (handle);
-}
-
-CajaThumbnailAsyncLoadHandle *
-caja_thumbnail_load_image_async (const char *path,
- guint base_size,
- guint nominal_size,
- gboolean force_nominal,
- CajaThumbnailAsyncLoadFunc load_func,
- gpointer load_func_user_data)
-{
- CajaThumbnailAsyncLoadHandle *handle;
- GFile *location;
-
-
- handle = g_new (CajaThumbnailAsyncLoadHandle, 1);
- handle->cancellable = g_cancellable_new ();
- handle->file_path = g_strdup (path);
- handle->base_size = base_size;
- handle->nominal_size = nominal_size;
- handle->force_nominal = force_nominal;
- handle->load_func = load_func;
- handle->load_func_user_data = load_func_user_data;
-
-
- location = g_file_new_for_path (path);
- g_file_load_contents_async (location, handle->cancellable,
- async_thumbnail_read_image,
- handle);
- g_object_unref (location);
-
- return handle;
-}
-
-void
-caja_thumbnail_load_image_cancel (CajaThumbnailAsyncLoadHandle *handle)
-{
- g_assert (handle != NULL);
-
- g_cancellable_cancel (handle->cancellable);
-}
-
-void
caja_thumbnail_remove_from_queue (const char *file_uri)
{
GList *node;
@@ -669,47 +228,6 @@ caja_thumbnail_remove_from_queue (const char *file_uri)
}
void
-caja_thumbnail_remove_all_from_queue (void)
-{
- CajaThumbnailInfo *info;
- GList *l, *next;
-
-#ifdef DEBUG_THUMBNAILS
- g_message ("(Remove all from queue) Locking mutex\n");
-#endif
- pthread_mutex_lock (&thumbnails_mutex);
-
- /*********************************
- * MUTEX LOCKED
- *********************************/
-
- l = thumbnails_to_make.head;
- while (l != NULL)
- {
- info = l->data;
- next = l->next;
- if (info != currently_thumbnailing)
- {
- g_hash_table_remove (thumbnails_to_make_hash,
- info->image_uri);
- free_thumbnail_info (info);
- g_queue_delete_link ((GQueue *)&thumbnails_to_make, l);
- }
-
- l = next;
- }
-
- /*********************************
- * MUTEX UNLOCKED
- *********************************/
-
-#ifdef DEBUG_THUMBNAILS
- g_message ("(Remove all from queue) Unlocking mutex\n");
-#endif
- pthread_mutex_unlock (&thumbnails_mutex);
-}
-
-void
caja_thumbnail_prioritize (const char *file_uri)
{
GList *node;
@@ -759,8 +277,6 @@ thumbnail_thread_notify_file_changed (gpointer image_uri)
{
CajaFile *file;
- GDK_THREADS_ENTER ();
-
file = caja_file_get_by_uri ((char *) image_uri);
#ifdef DEBUG_THUMBNAILS
g_message ("(Thumbnail Thread) Notifying file changed file:%p uri: %s\n", file, (char*) image_uri);
@@ -776,8 +292,6 @@ thumbnail_thread_notify_file_changed (gpointer image_uri)
}
g_free (image_uri);
- GDK_THREADS_LEAVE ();
-
return FALSE;
}
@@ -794,15 +308,13 @@ get_types_table (void)
image_mime_types =
g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
- eel_debug_call_at_shutdown_with_data ((GFreeFunc)g_hash_table_destroy,
- image_mime_types);
format_list = gdk_pixbuf_get_formats ();
for (l = format_list; l; l = l->next)
{
types = gdk_pixbuf_format_get_mime_types (l->data);
- for (i = 0; i < G_N_ELEMENTS (types); i++)
+ for (i = 0; types[i] != NULL; i++)
{
g_hash_table_insert (image_mime_types,
types [i],
@@ -1064,6 +576,10 @@ thumbnail_thread_start (gpointer data)
if (pixbuf)
{
+#ifdef DEBUG_THUMBNAILS
+ g_message ("(Thumbnail Thread) Saving thumbnail: %s\n",
+ info->image_uri);
+#endif
mate_desktop_thumbnail_factory_save_thumbnail (thumbnail_factory,
pixbuf,
info->image_uri,
@@ -1072,6 +588,10 @@ thumbnail_thread_start (gpointer data)
}
else
{
+#ifdef DEBUG_THUMBNAILS
+ g_message ("(Thumbnail Thread) Thumbnail failed: %s\n",
+ info->image_uri);
+#endif
mate_desktop_thumbnail_factory_create_failed_thumbnail (thumbnail_factory,
info->image_uri,
current_orig_mtime);