diff options
Diffstat (limited to 'libcaja-private/caja-thumbnails.c')
| -rw-r--r-- | libcaja-private/caja-thumbnails.c | 498 |
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); |