1 /* Copyright (c) 2006, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of the Nokia Corporation nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <glib/gi18n.h>
32 #include <tny-header.h>
33 #include <tny-simple-list.h>
34 #include <tny-gtk-text-buffer-stream.h>
35 #include <tny-camel-mem-stream.h>
36 #include "modest-formatter.h"
37 #include "modest-text-utils.h"
38 #include "modest-tny-platform-factory.h"
39 #include "modest-runtime.h"
40 #include "modest-stream-html-to-text.h"
43 #define MAX_BODY_LINES 1024
44 #define MAX_BODY_LENGTH 1024*128
46 typedef struct _ModestFormatterPrivate ModestFormatterPrivate;
47 struct _ModestFormatterPrivate {
51 #define MODEST_FORMATTER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
52 MODEST_TYPE_FORMATTER, \
53 ModestFormatterPrivate))
55 static GObjectClass *parent_class = NULL;
57 typedef gchar* FormatterFunc (ModestFormatter *self, const gchar *text, TnyHeader *header, GList *attachments);
59 static TnyMsg *modest_formatter_do (ModestFormatter *self, TnyMimePart *body, TnyHeader *header,
60 FormatterFunc func, GList *attachments);
62 static gchar* modest_formatter_wrapper_cite (ModestFormatter *self, const gchar *text,
63 TnyHeader *header, GList *attachments);
64 static gchar* modest_formatter_wrapper_quote (ModestFormatter *self, const gchar *text,
65 TnyHeader *header, GList *attachments);
66 static gchar* modest_formatter_wrapper_inline (ModestFormatter *self, const gchar *text,
67 TnyHeader *header, GList *attachments);
69 static TnyMimePart *find_body_parent (TnyMimePart *part);
72 extract_text (ModestFormatter *self, TnyMimePart *body)
76 TnyStream *input_stream;
78 GtkTextIter start, end;
80 ModestFormatterPrivate *priv;
81 gint total, lines, total_lines, line_chars;
82 gboolean is_html, first_time;
85 buf = gtk_text_buffer_new (NULL);
86 stream = TNY_STREAM (tny_gtk_text_buffer_stream_new (buf));
87 tny_stream_reset (stream);
88 mp_stream = tny_mime_part_get_decoded_stream (body);
90 is_html = (g_strcmp0 (tny_mime_part_get_content_type (body), "text/html") == 0);
92 input_stream = modest_stream_html_to_text_new (mp_stream);
94 input_stream = g_object_ref (mp_stream);
104 while (!tny_stream_is_eos (input_stream)) {
110 next_read = MIN (128, MAX_BODY_LENGTH - total);
113 n_read = tny_stream_read (input_stream, buffer, next_read);
115 if (G_UNLIKELY (n_read < 0))
119 while (offset < buffer + n_read) {
121 if (*offset == '\n' && !(forced_wrap && offset[1] == '\n')) {
125 if (*offset == '\n') {
129 if (line_chars >= LINE_WRAP) {
135 if (total_lines >= MAX_BODY_LINES)
140 if (offset - buffer > 0) {
141 gint n_write = 0, to_write = 0;
143 to_write = offset - buffer;
144 n_write = tny_stream_write (stream, buffer, to_write);
146 } else if (n_read == -1) {
150 if (total_lines >= MAX_BODY_LINES)
154 tny_stream_reset (stream);
156 g_object_unref (G_OBJECT(stream));
157 g_object_unref (G_OBJECT (mp_stream));
158 g_object_unref (G_OBJECT (input_stream));
160 gtk_text_buffer_get_bounds (buf, &start, &end);
161 text = gtk_text_buffer_get_text (buf, &start, &end, FALSE);
162 g_object_unref (G_OBJECT(buf));
164 /* Convert to desired content type if needed */
165 priv = MODEST_FORMATTER_GET_PRIVATE (self);
171 construct_from_text (TnyMimePart *part,
173 const gchar *content_type)
175 TnyStream *text_body_stream;
177 /* Create the stream */
178 text_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
179 (text, strlen(text)));
181 /* Construct MIME part */
182 tny_stream_reset (text_body_stream);
183 tny_mime_part_construct (part, text_body_stream, content_type, "7bit");
184 tny_stream_reset (text_body_stream);
187 g_object_unref (G_OBJECT (text_body_stream));
191 modest_formatter_do (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, FormatterFunc func,
194 TnyMsg *new_msg = NULL;
195 gchar *body_text = NULL, *txt = NULL;
196 ModestFormatterPrivate *priv;
197 TnyMimePart *body_part = NULL;
199 g_return_val_if_fail (self, NULL);
200 g_return_val_if_fail (header, NULL);
201 g_return_val_if_fail (func, NULL);
204 new_msg = modest_formatter_create_message (self, TRUE, attachments != NULL, FALSE);
205 body_part = modest_formatter_create_body_part (self, new_msg);
208 body_text = extract_text (self, body);
210 body_text = g_strdup ("");
212 txt = (gchar *) func (self, (const gchar*) body_text, header, attachments);
213 priv = MODEST_FORMATTER_GET_PRIVATE (self);
214 construct_from_text (TNY_MIME_PART (body_part), (const gchar*) txt, priv->content_type);
215 g_object_unref (body_part);
225 modest_formatter_cite (ModestFormatter *self, TnyMimePart *body, TnyHeader *header)
227 return modest_formatter_do (self, body, header, modest_formatter_wrapper_cite, NULL);
231 modest_formatter_quote (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, GList *attachments)
233 return modest_formatter_do (self, body, header, modest_formatter_wrapper_quote, attachments);
237 modest_formatter_inline (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, GList *attachments)
239 return modest_formatter_do (self, body, header, modest_formatter_wrapper_inline, attachments);
243 modest_formatter_attach (ModestFormatter *self, TnyMsg *msg, TnyHeader *header)
245 TnyMsg *new_msg = NULL;
246 TnyMimePart *body_part = NULL;
247 ModestFormatterPrivate *priv;
251 new_msg = modest_formatter_create_message (self, TRUE, TRUE, FALSE);
252 body_part = modest_formatter_create_body_part (self, new_msg);
254 /* Create the two parts */
255 priv = MODEST_FORMATTER_GET_PRIVATE (self);
256 txt = modest_text_utils_cite ("", priv->content_type, priv->signature,
257 NULL, tny_header_get_date_sent (header));
258 construct_from_text (body_part, txt, priv->content_type);
260 g_object_unref (body_part);
264 tny_mime_part_add_part (TNY_MIME_PART (new_msg), TNY_MIME_PART (msg));
271 modest_formatter_new (const gchar *content_type, const gchar *signature)
273 ModestFormatter *formatter;
274 ModestFormatterPrivate *priv;
276 formatter = g_object_new (MODEST_TYPE_FORMATTER, NULL);
277 priv = MODEST_FORMATTER_GET_PRIVATE (formatter);
278 priv->content_type = g_strdup (content_type);
279 priv->signature = g_strdup (signature);
285 modest_formatter_instance_init (GTypeInstance *instance, gpointer g_class)
287 ModestFormatter *self = (ModestFormatter *)instance;
288 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
290 priv->content_type = NULL;
291 priv->signature = NULL;
295 modest_formatter_finalize (GObject *object)
297 ModestFormatter *self = (ModestFormatter *)object;
298 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
300 if (priv->content_type)
301 g_free (priv->content_type);
304 g_free (priv->signature);
306 (*parent_class->finalize) (object);
310 modest_formatter_class_init (ModestFormatterClass *class)
312 GObjectClass *object_class;
314 parent_class = g_type_class_peek_parent (class);
315 object_class = (GObjectClass*) class;
316 object_class->finalize = modest_formatter_finalize;
318 g_type_class_add_private (object_class, sizeof (ModestFormatterPrivate));
322 modest_formatter_get_type (void)
324 static GType type = 0;
326 if (G_UNLIKELY(type == 0))
328 static const GTypeInfo info =
330 sizeof (ModestFormatterClass),
331 NULL, /* base_init */
332 NULL, /* base_finalize */
333 (GClassInitFunc) modest_formatter_class_init, /* class_init */
334 NULL, /* class_finalize */
335 NULL, /* class_data */
336 sizeof (ModestFormatter),
338 modest_formatter_instance_init /* instance_init */
341 type = g_type_register_static (G_TYPE_OBJECT,
351 modest_formatter_wrapper_cite (ModestFormatter *self, const gchar *text, TnyHeader *header,
354 gchar *result, *from;
355 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
357 from = tny_header_dup_from (header);
358 result = modest_text_utils_cite (text,
362 tny_header_get_date_sent (header));
368 modest_formatter_wrapper_inline (ModestFormatter *self, const gchar *text, TnyHeader *header,
371 gchar *result, *from, *to, *subject;
372 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
374 from = tny_header_dup_from (header);
375 to = tny_header_dup_to (header);
376 subject = tny_header_dup_subject (header);
377 result = modest_text_utils_inline (text,
381 tny_header_get_date_sent (header),
391 modest_formatter_wrapper_quote (ModestFormatter *self, const gchar *text, TnyHeader *header,
394 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
395 GList *filenames = NULL;
397 gchar *result = NULL;
400 /* First we need a GList of attachments filenames */
401 for (node = attachments; node != NULL; node = g_list_next (node)) {
402 TnyMimePart *part = (TnyMimePart *) node->data;
403 gchar *filename = NULL;
404 if (TNY_IS_MSG (part)) {
405 TnyHeader *header = tny_msg_get_header (TNY_MSG (part));
406 filename = tny_header_dup_subject (header);
407 if ((filename == NULL)||(filename[0] == '\0')) {
409 filename = g_strdup (_("mail_va_no_subject"));
411 g_object_unref (header);
413 filename = g_strdup (tny_mime_part_get_filename (part));
414 if ((filename == NULL)||(filename[0] == '\0')) {
416 filename = g_strdup ("");
419 filenames = g_list_prepend (filenames, filename);
422 /* TODO: get 80 from the configuration */
423 from = tny_header_dup_from (header);
424 result = modest_text_utils_quote (text,
428 tny_header_get_date_sent (header),
433 g_list_foreach (filenames, (GFunc) g_free, NULL);
434 g_list_free (filenames);
439 modest_formatter_create_message (ModestFormatter *self, gboolean single_body,
440 gboolean has_attachments, gboolean has_images)
442 TnyMsg *result = NULL;
443 TnyPlatformFactory *fact = NULL;
444 TnyMimePart *body_mime_part = NULL;
445 TnyMimePart *related_mime_part = NULL;
447 fact = modest_runtime_get_platform_factory ();
448 result = tny_platform_factory_new_msg (fact);
449 if (has_attachments) {
450 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/mixed");
452 related_mime_part = tny_platform_factory_new_mime_part (fact);
453 tny_mime_part_set_content_type (related_mime_part, "multipart/related");
454 tny_mime_part_add_part (TNY_MIME_PART (result), related_mime_part);
456 related_mime_part = g_object_ref (result);
460 body_mime_part = tny_platform_factory_new_mime_part (fact);
461 tny_mime_part_set_content_type (body_mime_part, "multipart/alternative");
462 tny_mime_part_add_part (TNY_MIME_PART (related_mime_part), body_mime_part);
463 g_object_unref (body_mime_part);
466 g_object_unref (related_mime_part);
467 } else if (has_images) {
468 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/related");
471 body_mime_part = tny_platform_factory_new_mime_part (fact);
472 tny_mime_part_set_content_type (body_mime_part, "multipart/alternative");
473 tny_mime_part_add_part (TNY_MIME_PART (result), body_mime_part);
474 g_object_unref (body_mime_part);
477 } else if (!single_body) {
478 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/alternative");
485 find_body_parent (TnyMimePart *part)
487 const gchar *msg_content_type = NULL;
488 msg_content_type = tny_mime_part_get_content_type (part);
490 if ((msg_content_type != NULL) &&
491 (!g_ascii_strcasecmp (msg_content_type, "multipart/alternative")))
492 return g_object_ref (part);
493 else if ((msg_content_type != NULL) &&
494 (g_str_has_prefix (msg_content_type, "multipart/"))) {
495 TnyIterator *iter = NULL;
496 TnyMimePart *alternative_part = NULL;
497 TnyMimePart *related_part = NULL;
498 TnyList *parts = TNY_LIST (tny_simple_list_new ());
499 tny_mime_part_get_parts (TNY_MIME_PART (part), parts);
500 iter = tny_list_create_iterator (parts);
502 while (!tny_iterator_is_done (iter)) {
503 TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
504 if (part && !g_ascii_strcasecmp(tny_mime_part_get_content_type (part), "multipart/alternative")) {
505 alternative_part = part;
507 } else if (part && !g_ascii_strcasecmp (tny_mime_part_get_content_type (part), "multipart/related")) {
513 g_object_unref (part);
515 tny_iterator_next (iter);
517 g_object_unref (iter);
518 g_object_unref (parts);
521 result = find_body_parent (related_part);
522 g_object_unref (related_part);
524 } else if (alternative_part)
525 return alternative_part;
527 return g_object_ref (part);
533 modest_formatter_create_body_part (ModestFormatter *self, TnyMsg *msg)
535 TnyMimePart *result = NULL;
536 TnyPlatformFactory *fact = NULL;
537 TnyMimePart *parent = NULL;
539 parent = find_body_parent (TNY_MIME_PART (msg));
540 fact = modest_runtime_get_platform_factory ();
541 if (parent != NULL) {
542 result = tny_platform_factory_new_mime_part (fact);
543 tny_mime_part_add_part (TNY_MIME_PART (parent), result);
544 g_object_unref (parent);
546 result = g_object_ref (msg);