Modified webpage: now tinymail repository is in gitorious.
[modest] / src / modest-formatter.c
index 4e1e367..7925aa4 100644 (file)
 #include <tny-header.h>
 #include <tny-simple-list.h>
 #include <tny-gtk-text-buffer-stream.h>
-#include <tny-camel-stream.h>
-#include <camel/camel-stream-mem.h>
+#include <tny-camel-mem-stream.h>
 #include "modest-formatter.h"
 #include "modest-text-utils.h"
 #include "modest-tny-platform-factory.h"
-#include <modest-runtime.h>
+#include "modest-runtime.h"
+#include "modest-stream-html-to-text.h"
+
+#define LINE_WRAP 78
+#define MAX_BODY_LINES 1024
+#define MAX_BODY_LENGTH 1024*128
 
 typedef struct _ModestFormatterPrivate ModestFormatterPrivate;
 struct _ModestFormatterPrivate {
@@ -67,20 +71,92 @@ 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, lines, total_lines, line_chars;
+       gboolean is_html, first_time;
+       gboolean forced_wrap;
 
        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);
+
+       is_html = (g_strcmp0 (tny_mime_part_get_content_type (body), "text/html") == 0);
+       if (is_html) {
+               input_stream = modest_stream_html_to_text_new (mp_stream);
+       } else {
+               input_stream = g_object_ref (mp_stream);
+       }
+
+       total = 0;
+       total_lines = 0;
+       line_chars = 0;
+       lines = 0;
+
+       forced_wrap = FALSE;
+       first_time = TRUE;
+       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' && !(forced_wrap && offset[1] == '\n')) {
+                               total_lines ++;
+                               line_chars = 0;
+                       } else {
+                               if (*offset == '\n') {
+                                       forced_wrap = FALSE;
+                               }
+                               line_chars ++;
+                               if (line_chars >= LINE_WRAP) {
+                                       total_lines ++;
+                                       line_chars = 0;
+                                       forced_wrap = TRUE;
+                               }
+                       }
+                       if (total_lines >= MAX_BODY_LINES)
+                               break;
+                       offset++;
+               }
+
+               if (offset - buffer > 0) {
+                       gint n_write = 0, to_write = 0;
+
+                       to_write = offset - buffer;
+                       n_write = tny_stream_write (stream, buffer, to_write);
+                       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);
        g_object_unref (G_OBJECT(buf));
@@ -88,15 +164,6 @@ 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;
 }
 
@@ -108,13 +175,12 @@ construct_from_text (TnyMimePart *part,
        TnyStream *text_body_stream;
 
        /* Create the stream */
-       text_body_stream = TNY_STREAM (tny_camel_stream_new
-                                      (camel_stream_mem_new_with_buffer
-                                       (text, strlen(text))));
+       text_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
+                                       (text, strlen(text)));
 
        /* Construct MIME part */
        tny_stream_reset (text_body_stream);
-       tny_mime_part_construct_from_stream (part, text_body_stream, content_type);
+       tny_mime_part_construct (part, text_body_stream, content_type, "7bit");
        tny_stream_reset (text_body_stream);
 
        /* Clean */
@@ -147,7 +213,7 @@ modest_formatter_do (ModestFormatter *self, TnyMimePart *body, TnyHeader *header
        priv = MODEST_FORMATTER_GET_PRIVATE (self);
        construct_from_text (TNY_MIME_PART (body_part), (const gchar*) txt, priv->content_type);
        g_object_unref (body_part);
-       
+
        /* Clean */
        g_free (body_text);
        g_free (txt);
@@ -179,6 +245,7 @@ modest_formatter_attach (ModestFormatter *self, TnyMsg *msg, TnyHeader *header)
        TnyMsg *new_msg = NULL;
        TnyMimePart *body_part = NULL;
        ModestFormatterPrivate *priv;
+       gchar *txt;
 
        /* Build new part */
        new_msg     = modest_formatter_create_message (self, TRUE, TRUE, FALSE);
@@ -186,11 +253,16 @@ modest_formatter_attach (ModestFormatter *self, TnyMsg *msg, TnyHeader *header)
 
        /* Create the two parts */
        priv = MODEST_FORMATTER_GET_PRIVATE (self);
-       construct_from_text (body_part, "", priv->content_type);
+       txt = modest_text_utils_cite ("", priv->content_type, priv->signature,
+                                     NULL, tny_header_get_date_sent (header));
+       construct_from_text (body_part, txt, priv->content_type);
+       g_free (txt);
        g_object_unref (body_part);
 
-       /* Add parts */
-       tny_mime_part_add_part (TNY_MIME_PART (new_msg), TNY_MIME_PART (msg));
+       if (msg) {
+               /* Add parts */
+               tny_mime_part_add_part (TNY_MIME_PART (new_msg), TNY_MIME_PART (msg));
+       }
 
        return new_msg;
 }
@@ -216,6 +288,7 @@ modest_formatter_instance_init (GTypeInstance *instance, gpointer g_class)
        ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
 
        priv->content_type = NULL;
+       priv->signature = NULL;
 }
 
 static void
@@ -278,28 +351,40 @@ static gchar *
 modest_formatter_wrapper_cite (ModestFormatter *self, const gchar *text, TnyHeader *header,
                               GList *attachments) 
 {
+       gchar *result, *from;
        ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
        
-       return modest_text_utils_cite (text, 
-                                      priv->content_type, 
-                                      priv->signature,
-                                      tny_header_get_from (header), 
-                                      tny_header_get_date_sent (header));
+       from = tny_header_dup_from (header);
+       result = modest_text_utils_cite (text, 
+                                        priv->content_type, 
+                                        priv->signature,
+                                        from, 
+                                        tny_header_get_date_sent (header));
+       g_free (from);
+       return result;
 }
 
 static gchar *
 modest_formatter_wrapper_inline (ModestFormatter *self, const gchar *text, TnyHeader *header,
                                 GList *attachments) 
 {
+       gchar *result, *from, *to, *subject;
        ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
 
-       return modest_text_utils_inline (text, 
-                                        priv->content_type, 
-                                        priv->signature,
-                                        tny_header_get_from (header), 
-                                        tny_header_get_date_sent (header),
-                                        tny_header_get_to (header),
-                                        tny_header_get_subject (header));
+       from = tny_header_dup_from (header);
+       to = tny_header_dup_to (header);
+       subject = tny_header_dup_subject (header);
+       result =  modest_text_utils_inline (text, 
+                                           priv->content_type, 
+                                           priv->signature,
+                                           from,
+                                           tny_header_get_date_sent (header),
+                                           to,
+                                           subject);
+       g_free (subject);
+       g_free (to);
+       g_free (from);
+       return result;
 }
 
 static gchar *
@@ -310,14 +395,15 @@ modest_formatter_wrapper_quote (ModestFormatter *self, const gchar *text, TnyHea
        GList *filenames = NULL;
        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;
                gchar *filename = NULL;
                if (TNY_IS_MSG (part)) {
                        TnyHeader *header = tny_msg_get_header (TNY_MSG (part));
-                       filename = g_strdup (tny_header_get_subject (header));
+                       filename = tny_header_dup_subject (header);
                        if ((filename == NULL)||(filename[0] == '\0')) {
                                g_free (filename);
                                filename = g_strdup (_("mail_va_no_subject"));
@@ -325,21 +411,24 @@ 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_append (filenames, filename);
+               filenames = g_list_prepend (filenames, filename);
        }
-       filenames = g_list_reverse (filenames);
 
        /* TODO: get 80 from the configuration */
+       from = tny_header_dup_from (header);
        result = modest_text_utils_quote (text, 
                                          priv->content_type, 
                                          priv->signature,
-                                         tny_header_get_from (header), 
+                                         from,
                                          tny_header_get_date_sent (header),
                                          filenames,
-                                         80);
+                                         72);
+       g_free (from);
 
        g_list_foreach (filenames, (GFunc) g_free, NULL);
        g_list_free (filenames);
@@ -399,7 +488,7 @@ 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/"))) {
@@ -412,10 +501,10 @@ 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;
                        }