1 files changed, 73 insertions, 24 deletions

diff --git a/lib/attachmentlist.php b/lib/attachmentlist.php
index f6b09fb49..6e127af86 100644
--- a/lib/attachmentlist.php
+++ b/lib/attachmentlist.php
@@ -79,23 +79,33 @@ class AttachmentList extends Widget
         $atts = new File;
         $att = $atts->getAttachments($this->notice->id);
         if (empty($att)) return 0;
+        $this->showListStart();
+
+        foreach ($att as $n=>$attachment) {
+            $item = $this->newListItem($attachment);
+            $item->show();
+        }
+
+        $this->showListEnd();
+
+        return count($att);
+    }
+
+    function showListStart()
+    {
         $this->out->elementStart('dl', array('id' =>'attachments',
                                              'class' => 'entry-content'));
         // TRANS: DT element label in attachment list.
         $this->out->element('dt', null, _('Attachments'));
         $this->out->elementStart('dd');
         $this->out->elementStart('ol', array('class' => 'attachments'));
+    }
 
-        foreach ($att as $n=>$attachment) {
-            $item = $this->newListItem($attachment);
-            $item->show();
-        }
-
+    function showListEnd()
+    {
         $this->out->elementEnd('dd');
         $this->out->elementEnd('ol');
         $this->out->elementEnd('dl');
-
-        return count($att);
     }
 
     /**
@@ -187,7 +197,10 @@ class AttachmentListItem extends Widget
     }
 
     function linkAttr() {
-        return array('class' => 'attachment', 'href' => $this->attachment->url, 'id' => 'attachment-' . $this->attachment->id);
+        return array('class' => 'attachment',
+                     'href' => $this->attachment->url,
+                     'id' => 'attachment-' . $this->attachment->id,
+                     'title' => $this->title());
     }
 
     function showLink() {
@@ -203,9 +216,56 @@ class AttachmentListItem extends Widget
     }
 
     function showRepresentation() {
+        $thumb = $this->getThumbInfo();
+        if ($thumb) {
+            $thumb = $this->sizeThumb($thumb);
+            $this->out->element('img', array('alt' => '', 'src' => $thumb->url, 'width' => $thumb->width, 'height' => $thumb->height));
+        }
+    }
+
+    /**
+     * Pull a thumbnail image reference for the given file.
+     * In order we check:
+     *  1) file_thumbnail table (thumbnails found via oEmbed)
+     *  2) image URL from direct dereference or oEmbed 'photo' type URL
+     *  3) ???
+     *
+     * @return mixed object with (url, width, height) properties, or false
+     */
+    function getThumbInfo()
+    {
         $thumbnail = File_thumbnail::staticGet('file_id', $this->attachment->id);
-        if (!empty($thumbnail)) {
-            $this->out->element('img', array('alt' => '', 'src' => $thumbnail->url, 'width' => $thumbnail->width, 'height' => $thumbnail->height));
+        if ($thumbnail) {
+            return $thumbnail;
+        }
+        $enc = $this->attachment->getEnclosure();
+        if ($enc) {
+            switch ($enc->mimetype) {
+                case 'image/gif':
+                case 'image/png':
+                case 'image/jpg':
+                case 'image/jpeg':
+                    $thumb = (object)array();
+                    $thumb->url = $enc->url;
+                    // @fixme use the given width/height aspect
+                    $thumb->width = common_config('attachments', 'thumb_width');
+                    $thumb->height = common_config('attachments', 'thumb_height');
+                    return $thumb;
+            }
+        }
+        return false;
+    }
+
+    function sizeThumb($thumbnail) {
+        $maxWidth = 100;
+        $maxHeight = 75;
+        if ($thumbnail->width > $maxWidth) {
+            $thumb = clone($thumbnail);
+            $thumb->width = $maxWidth;
+            $thumb->height = intval($thumbnail->height * $maxWidth / $thumbnail->width);
+            return $thumb;
+        } else {
+            return $thumbnail;
         }
     }
 
@@ -234,6 +294,9 @@ class AttachmentListItem extends Widget
     }
 }
 
+/**
+ * used for one-off attachment action
+ */
 class Attachment extends AttachmentListItem
 {
     function showLink() {
@@ -414,18 +477,4 @@ class Attachment extends AttachmentListItem
 
         return $scrubbed;
     }
-
-    function showFallback()
-    {
-        // If we don't know how to display an attachment inline, we probably
-        // shouldn't have gotten to this point.
-        //
-        // But, here we are... displaying details on a file or remote URL
-        // either on the main view or in an ajax-loaded lightbox. As a lesser
-        // of several evils, we'll try redirecting to the actual target via
-        // client-side JS.
-
-        common_log(LOG_ERR, "Empty or unknown type for file id {$this->attachment->id}; falling back to client-side redirect.");
-        $this->out->raw('<script>window.location = ' . json_encode($this->attachment->url) . ';</script>');
-    }
 }