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authorJörg Frings-Fürst <debian@jff-webhosting.net>2015-04-03 13:14:53 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2015-04-03 13:14:53 +0200
commitc43dfb815a4951b8248f4f0e98babe4f80204f03 (patch)
tree82745ed2353757c41ea1865bad9ac7a1b0a8a366 /src/ThumbnailCache.vala
parent2785a691b958a79a1dd606c445188c71c3f58b3c (diff)
Imported Upstream version 0.22.0upstream/0.22.0
Diffstat (limited to 'src/ThumbnailCache.vala')
-rw-r--r--src/ThumbnailCache.vala64
1 files changed, 35 insertions, 29 deletions
diff --git a/src/ThumbnailCache.vala b/src/ThumbnailCache.vala
index c24087c..6408a1a 100644
--- a/src/ThumbnailCache.vala
+++ b/src/ThumbnailCache.vala
@@ -1,4 +1,4 @@
-/* Copyright 2009-2014 Yorba Foundation
+/* Copyright 2009-2015 Yorba Foundation
*
* This software is licensed under the GNU LGPL (version 2.1 or later).
* See the COPYING file in this distribution.
@@ -86,6 +86,7 @@ public class ThumbnailCache : Object {
public Gdk.Pixbuf scaled = null;
public Error err = null;
public bool fetched = false;
+ public bool replace = false;
public AsyncFetchJob(ThumbnailCache cache, string thumbnail_name,
ThumbnailSource source, Gdk.Pixbuf? prefetched, Dimensions dim,
@@ -131,38 +132,33 @@ public class ThumbnailCache : Object {
// scale if specified
scaled = dim.has_area() ? resize_pixbuf(unscaled, dim, interp) : unscaled;
} catch (Error err) {
- // Is the problem that the thumbnail couldn't be read? If so, it's recoverable;
- // we'll just create it and leave this.err as null if creation works.
if (err is FileError) {
try {
- Photo photo = source as Photo;
- Video video = source as Video;
-
- if (photo != null) {
- unscaled = photo.get_pixbuf(Scaling.for_best_fit(dim.width, true));
- photo.notify_altered(new Alteration("image","thumbnail"));
- return;
- }
-
- if (video != null) {
- unscaled = video.create_thumbnail(dim.width);
- scaled = resize_pixbuf(unscaled, dim, interp);
- cache.save_thumbnail(cache.get_source_cached_file(source),
- unscaled, source);
- replace(source, cache.size, unscaled);
- return;
- }
-
- } catch (Error e) {
- // Creating the thumbnail failed; tell the rest of the app.
- this.err = e;
- return;
+ generate_thumbnail();
+ } catch (Error generr) {
+ // save thumbnail generation error, not original, for processing in callback
+ err = generr;
}
+ } else {
+ // save error for processing in callback
+ this.err = err;
}
-
- // ...the original error wasn't from reading the file, but something else;
- // tell the rest of the app.
- this.err = err;
+ }
+ }
+
+ private void generate_thumbnail() throws Error {
+ Photo? photo = source as Photo;
+ if (photo != null) {
+ unscaled = photo.get_pixbuf(Scaling.for_best_fit(dim.width, true));
+ } else {
+ Video? video = source as Video;
+ if (video != null)
+ unscaled = video.create_thumbnail(dim.width);
+ }
+
+ if (unscaled != null) {
+ scaled = resize_pixbuf(unscaled, dim, interp);
+ replace = true;
}
}
}
@@ -420,6 +416,16 @@ public class ThumbnailCache : Object {
private static void async_fetch_completion_callback(BackgroundJob background_job) {
AsyncFetchJob job = (AsyncFetchJob) background_job;
+ // Is the problem that the thumbnail couldn't be read? If so, it's recoverable;
+ // we'll just create it and leave this.err as null if creation works.
+ if (job.replace && job.unscaled != null) {
+ try {
+ replace(job.source, job.cache.size, job.unscaled);
+ } catch (Error err) {
+ job.err = err;
+ }
+ }
+
if (job.unscaled != null) {
if (job.fetched) {
// only store in cache if fetched, not pre-fetched