Change scroll readjustment management in msg view.

[modest] / src / modest-formatter.c

diff --git a/src/modest-formatter.c b/src/modest-formatter.c
index 79fa4a2..dd1efe0 100644 (file)
--- a/src/modest-formatter.c
+++ b/src/modest-formatter.c
@@ -33,11 +33,16 @@
 #include <tny-simple-list.h>
 #include <tny-gtk-text-buffer-stream.h>
 #include <tny-camel-mem-stream.h>
+#include <tny-camel-html-to-text-stream.h>
 #include "modest-formatter.h"
 #include "modest-text-utils.h"
 #include "modest-tny-platform-factory.h"
 #include <modest-runtime.h>
 
+#define LINE_WRAP 78
+#define MAX_BODY_LINES 1024
+#define MAX_BODY_LENGTH 1024*128
+
 typedef struct _ModestFormatterPrivate ModestFormatterPrivate;
 struct _ModestFormatterPrivate {
        gchar *content_type;
@@ -66,19 +71,81 @@ static TnyMimePart *find_body_parent (TnyMimePart *part);
 static gchar *
 extract_text (ModestFormatter *self, TnyMimePart *body)
 {
+       TnyStream *mp_stream;
        TnyStream *stream;
+       TnyStream *input_stream;
        GtkTextBuffer *buf;
        GtkTextIter start, end;
-       gchar *text, *converted_text;
+       gchar *text;
        ModestFormatterPrivate *priv;
+       gint total, total_lines, line_chars;
 
        buf = gtk_text_buffer_new (NULL);
        stream = TNY_STREAM (tny_gtk_text_buffer_stream_new (buf));
        tny_stream_reset (stream);
-       tny_mime_part_decode_to_stream (body, stream, NULL);
+       mp_stream = tny_mime_part_get_decoded_stream (body);
+
+       if (g_strcmp0 (tny_mime_part_get_content_type (body), "text/html") == 0) {
+               input_stream = tny_camel_html_to_text_stream_new (mp_stream);
+       } else {
+               input_stream = g_object_ref (mp_stream);
+       }
+
+       total = 0;
+       total_lines = 0;
+       line_chars = 0;
+
+       while (!tny_stream_is_eos (input_stream)) {
+               gchar buffer [128];
+               gchar *offset;
+               gint n_read;
+               gint next_read;
+
+               next_read = MIN (128, MAX_BODY_LENGTH - total);
+               if (next_read == 0)
+                       break;
+               n_read = tny_stream_read (input_stream, buffer, next_read);
+
+               if (G_UNLIKELY (n_read < 0))
+                       break;
+
+               offset = buffer;
+               while (offset < buffer + n_read) {
+                       
+                       if (*offset == '\n') {
+                               total_lines ++;
+                               line_chars = 0;
+                       } else {
+                               line_chars ++;
+                               if (line_chars >= LINE_WRAP) {
+                                       total_lines ++;
+                                       line_chars = 0;
+                               }
+                       }
+                       if (total_lines >= MAX_BODY_LINES)
+                               break;
+                       offset++;
+               }
+
+               
+
+               if (offset - buffer > 0) {
+                       gint n_write;
+                       n_write = tny_stream_write (stream, buffer, offset - buffer);
+                       total += n_write;
+               } else if (n_read == -1) {
+                       break;
+               }
+
+               if (total_lines >= MAX_BODY_LINES)
+                       break;
+       }
+
        tny_stream_reset (stream);
 
        g_object_unref (G_OBJECT(stream));
+       g_object_unref (G_OBJECT (mp_stream));
+       g_object_unref (G_OBJECT (input_stream));
        
        gtk_text_buffer_get_bounds (buf, &start, &end);
        text = gtk_text_buffer_get_text (buf, &start, &end, FALSE);
@@ -87,15 +154,6 @@ extract_text (ModestFormatter *self, TnyMimePart *body)
        /* Convert to desired content type if needed */
        priv = MODEST_FORMATTER_GET_PRIVATE (self);
 
-       if (strcmp (tny_mime_part_get_content_type (body), priv->content_type) == 0) {
-               if (!strcmp (priv->content_type, "text/html"))
-                       converted_text = modest_text_utils_convert_to_html  (text);
-               else
-                       converted_text = g_strdup (text);
-
-               g_free (text);
-               text = converted_text;
-       }
        return text;
 }
 
@@ -328,7 +386,7 @@ modest_formatter_wrapper_quote (ModestFormatter *self, const gchar *text, TnyHea
        GList *node = NULL;
        gchar *result = NULL;
        gchar *from;
-       
+
        /* First we need a GList of attachments filenames */
        for (node = attachments; node != NULL; node = g_list_next (node)) {
                TnyMimePart *part = (TnyMimePart *) node->data;
@@ -343,8 +401,10 @@ modest_formatter_wrapper_quote (ModestFormatter *self, const gchar *text, TnyHea
                        g_object_unref (header);
                } else {
                        filename = g_strdup (tny_mime_part_get_filename (part));
-                       if ((filename == NULL)||(filename[0] == '\0'))
+                       if ((filename == NULL)||(filename[0] == '\0')) {
+                               g_free (filename);
                                filename = g_strdup ("");
+                       }
                }
                filenames = g_list_prepend (filenames, filename);
        }
@@ -418,7 +478,7 @@ find_body_parent (TnyMimePart *part)
        msg_content_type = tny_mime_part_get_content_type (part);
 
        if ((msg_content_type != NULL) &&
-           (!g_strcasecmp (msg_content_type, "multipart/alternative")))
+           (!g_ascii_strcasecmp (msg_content_type, "multipart/alternative")))
                return g_object_ref (part);
        else if ((msg_content_type != NULL) &&
                 (g_str_has_prefix (msg_content_type, "multipart/"))) {
@@ -431,10 +491,10 @@ find_body_parent (TnyMimePart *part)
 
                while (!tny_iterator_is_done (iter)) {
                        TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
-                       if (part && !g_strcasecmp(tny_mime_part_get_content_type (part), "multipart/alternative")) {
+                       if (part && !g_ascii_strcasecmp(tny_mime_part_get_content_type (part), "multipart/alternative")) {
                                alternative_part = part;
                                break;
-                       } else if (part && !g_strcasecmp (tny_mime_part_get_content_type (part), "multipart/related")) {
+                       } else if (part && !g_ascii_strcasecmp (tny_mime_part_get_content_type (part), "multipart/related")) {
                                related_part = part;
                                break;
                        }