JSONify mail parts

UI/MailPartViewers/UIxMailPartAlternativeViewer.m

@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2007-2009 Inverse inc.
+  Copyright (C) 2007-2015 Inverse inc.
   Copyright (C) 2004 SKYRIX Software AG
 
   This file is part of SOGo.
@@ -15,11 +15,12 @@
   License for more details.
 
   You should have received a copy of the GNU Lesser General Public
-  License along with OGo; see the file COPYING.  If not, write to the
+  License along with SOGo; see the file COPYING.  If not, write to the
   Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.
 */
 
+#import <Foundation/NSDictionary.h>
 #import <Foundation/NSNull.h>
 
 #import <NGExtensions/NSObject+Logs.h>
@@ -27,24 +28,21 @@
 #import <UI/MailerUI/WOContext+UIxMailer.h>
 
 #import "UIxMailPartViewer.h"
+#import "UIxMailPartMixedViewer.h"
 #import "UIxMailRenderingContext.h"
 
 /*
   UIxMailPartAlternativeViewer
-  
+
   Display multipart/alternative parts. Most common application is for messages
   which contain text/html and text/plain, but it is also used in other
   contexts, eg in OGo appointment mails.
-  
+
   TODO: We might want to give the user the possibility to access all parts
         of the alternative set.
 */
 
-@interface UIxMailPartAlternativeViewer : UIxMailPartViewer
-{
-  id           childInfo;
-  NSUInteger   childIndex;
-}
+@interface UIxMailPartAlternativeViewer : UIxMailPartMixedViewer
 
 @end
 
@@ -52,19 +50,9 @@
 
 - (void) dealloc
 {
-  [childInfo release];
   [super dealloc];
 }
 
-/* caches */
-
-- (void) resetBodyInfoCaches
-{
-  [childInfo release]; childInfo = nil;
-  childIndex = 0;
-  [super resetBodyInfoCaches];
-}
-
 /* part selection */
 
 - (NSArray *) childPartTypes
@@ -76,7 +64,7 @@
   childParts = [[self bodyInfo] valueForKey:@"parts"];
   count      = [childParts count];
   types      = [NSMutableArray arrayWithCapacity:count];
-  
+
   for (i = 0; i < count; i++) {
     NSString *mt, *st;
 
@@ -140,7 +128,7 @@
 
   [childInfo release]; childInfo = nil;
   childIndex = 0;
-  
+
   idx = [self _selectPartIndexFromTypes: [self childPartTypes]];
   if (idx == NSNotFound)
     {
@@ -150,42 +138,7 @@
     }
 
   childIndex = idx + 1;
-  childInfo  = 
-    [[[[self bodyInfo] valueForKey:@"parts"] objectAtIndex:idx] retain];
-}
-
-/* accessors */
-
-- (id) childInfo
-{
-  if (!childInfo)
-    [self selectChildInfo];
-  
-  return childInfo;
-}
-
-- (NSUInteger) childIndex
-{
-  if (!childIndex)
-    [self selectChildInfo];
-  
-  return childIndex - 1;
-}
-
-- (NSString *) childPartName
-{
-  return [NSString stringWithFormat: @"%u",
-                   (unsigned int) ([self childIndex] + 1)];
-}
-
-- (id) childPartPath
-{
-  NSArray *pp;
-
-  pp = [self partPath];
-  return [pp count] > 0
-    ? (id)[pp arrayByAddingObject:[self childPartName]]
-    : (id)[NSArray arrayWithObject:[self childPartName]];
+  childInfo = [[[[self bodyInfo] valueForKey:@"parts"] objectAtIndex:idx] retain];
 }
 
 /* nested viewers */
@@ -193,9 +146,43 @@
 - (id) contentViewerComponent
 {
   id info;
-  
+
   info = [self childInfo];
   return [[[self context] mailRenderingContext] viewerForBodyInfo:info];
 }
 
+- (id) renderedPart {
+  id info, viewer;
+  NSArray *parts;
+  NSMutableArray *renderedParts;
+  NSString *preferredType;
+  NSUInteger i, max;
+
+  parts = [[self bodyInfo] objectForKey: @"parts"];
+  max = [parts count];
+  renderedParts = [NSMutableArray arrayWithCapacity: max];
+  for (i = 0; i < max; i++)
+    {
+      [self setChildIndex: i];
+      [self setChildInfo: [parts objectAtIndex: i]];
+      info = [self childInfo];
+      viewer = [[[self context] mailRenderingContext] viewerForBodyInfo: info];
+      [viewer setBodyInfo: info];
+      [viewer setPartPath: [self childPartPath]];
+      [renderedParts addObject: [viewer renderedPart]];
+    }
+
+  // Identity a preferred type
+  [self selectChildInfo];
+  preferredType = [NSString stringWithFormat: @"%@/%@",
+                            [[self childInfo] objectForKey: @"type"],
+                            [[self childInfo] objectForKey: @"subtype"]];
+
+  return [NSDictionary dictionaryWithObjectsAndKeys:
+                         [self className], @"type",
+                       preferredType, @"preferredPart",
+                       renderedParts, @"content",
+                       nil];
+}
+
 @end /* UIxMailPartAlternativeViewer */