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 <tny-camel-html-to-text-stream.h>
37 #include "modest-formatter.h"
38 #include "modest-text-utils.h"
39 #include "modest-tny-platform-factory.h"
40 #include <modest-runtime.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, total_lines, line_chars;
83 buf = gtk_text_buffer_new (NULL);
84 stream = TNY_STREAM (tny_gtk_text_buffer_stream_new (buf));
85 tny_stream_reset (stream);
86 mp_stream = tny_mime_part_get_decoded_stream (body);
88 if (g_strcmp0 (tny_mime_part_get_content_type (body), "text/html") == 0) {
89 input_stream = tny_camel_html_to_text_stream_new (mp_stream);
91 input_stream = g_object_ref (mp_stream);
98 while (!tny_stream_is_eos (input_stream)) {
104 next_read = MIN (128, MAX_BODY_LENGTH - total);
107 n_read = tny_stream_read (input_stream, buffer, next_read);
110 while (offset < buffer + n_read) {
112 if (*offset == '\n') {
117 if (line_chars >= LINE_WRAP) {
122 if (total_lines >= MAX_BODY_LINES)
129 if (offset - buffer > 0) {
131 n_write = tny_stream_write (stream, buffer, offset - buffer);
133 } else if (n_read == -1) {
137 if (total_lines >= MAX_BODY_LINES)
141 tny_stream_reset (stream);
143 g_object_unref (G_OBJECT(stream));
144 g_object_unref (G_OBJECT (mp_stream));
145 g_object_unref (G_OBJECT (input_stream));
147 gtk_text_buffer_get_bounds (buf, &start, &end);
148 text = gtk_text_buffer_get_text (buf, &start, &end, FALSE);
149 g_object_unref (G_OBJECT(buf));
151 /* Convert to desired content type if needed */
152 priv = MODEST_FORMATTER_GET_PRIVATE (self);
158 construct_from_text (TnyMimePart *part,
160 const gchar *content_type)
162 TnyStream *text_body_stream;
164 /* Create the stream */
165 text_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
166 (text, strlen(text)));
168 /* Construct MIME part */
169 tny_stream_reset (text_body_stream);
170 tny_mime_part_construct (part, text_body_stream, content_type, "7bit");
171 tny_stream_reset (text_body_stream);
174 g_object_unref (G_OBJECT (text_body_stream));
178 modest_formatter_do (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, FormatterFunc func,
181 TnyMsg *new_msg = NULL;
182 gchar *body_text = NULL, *txt = NULL;
183 ModestFormatterPrivate *priv;
184 TnyMimePart *body_part = NULL;
186 g_return_val_if_fail (self, NULL);
187 g_return_val_if_fail (header, NULL);
188 g_return_val_if_fail (func, NULL);
191 new_msg = modest_formatter_create_message (self, TRUE, attachments != NULL, FALSE);
192 body_part = modest_formatter_create_body_part (self, new_msg);
195 body_text = extract_text (self, body);
197 body_text = g_strdup ("");
199 txt = (gchar *) func (self, (const gchar*) body_text, header, attachments);
200 priv = MODEST_FORMATTER_GET_PRIVATE (self);
201 construct_from_text (TNY_MIME_PART (body_part), (const gchar*) txt, priv->content_type);
202 g_object_unref (body_part);
212 modest_formatter_cite (ModestFormatter *self, TnyMimePart *body, TnyHeader *header)
214 return modest_formatter_do (self, body, header, modest_formatter_wrapper_cite, NULL);
218 modest_formatter_quote (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, GList *attachments)
220 return modest_formatter_do (self, body, header, modest_formatter_wrapper_quote, attachments);
224 modest_formatter_inline (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, GList *attachments)
226 return modest_formatter_do (self, body, header, modest_formatter_wrapper_inline, attachments);
230 remove_purgeds (TnyMimePart *part)
233 TnyIterator *iterator;
235 parts = TNY_LIST (tny_simple_list_new ());
236 tny_mime_part_get_parts (part, parts);
238 for (iterator = tny_list_create_iterator (parts);
239 !tny_iterator_is_done (iterator);
240 tny_iterator_next (iterator)) {
241 TnyMimePart *current;
243 current = (TnyMimePart *) tny_iterator_get_current (iterator);
244 if (tny_mime_part_is_purged (current)) {
245 tny_mime_part_del_part (part, current);
248 g_object_unref (current);
251 g_object_unref (iterator);
252 g_object_unref (parts);
256 modest_formatter_attach (ModestFormatter *self, TnyMsg *msg, TnyHeader *header)
258 TnyMsg *new_msg = NULL;
259 TnyMimePart *body_part = NULL;
260 ModestFormatterPrivate *priv;
264 new_msg = modest_formatter_create_message (self, TRUE, TRUE, FALSE);
265 body_part = modest_formatter_create_body_part (self, new_msg);
267 /* Create the two parts */
268 priv = MODEST_FORMATTER_GET_PRIVATE (self);
269 txt = modest_text_utils_cite ("", priv->content_type, priv->signature,
270 NULL, tny_header_get_date_sent (header));
271 construct_from_text (body_part, txt, priv->content_type);
273 g_object_unref (body_part);
278 remove_purgeds (TNY_MIME_PART (msg));
281 tny_mime_part_add_part (TNY_MIME_PART (new_msg), TNY_MIME_PART (msg));
288 modest_formatter_new (const gchar *content_type, const gchar *signature)
290 ModestFormatter *formatter;
291 ModestFormatterPrivate *priv;
293 formatter = g_object_new (MODEST_TYPE_FORMATTER, NULL);
294 priv = MODEST_FORMATTER_GET_PRIVATE (formatter);
295 priv->content_type = g_strdup (content_type);
296 priv->signature = g_strdup (signature);
302 modest_formatter_instance_init (GTypeInstance *instance, gpointer g_class)
304 ModestFormatter *self = (ModestFormatter *)instance;
305 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
307 priv->content_type = NULL;
308 priv->signature = NULL;
312 modest_formatter_finalize (GObject *object)
314 ModestFormatter *self = (ModestFormatter *)object;
315 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
317 if (priv->content_type)
318 g_free (priv->content_type);
321 g_free (priv->signature);
323 (*parent_class->finalize) (object);
327 modest_formatter_class_init (ModestFormatterClass *class)
329 GObjectClass *object_class;
331 parent_class = g_type_class_peek_parent (class);
332 object_class = (GObjectClass*) class;
333 object_class->finalize = modest_formatter_finalize;
335 g_type_class_add_private (object_class, sizeof (ModestFormatterPrivate));
339 modest_formatter_get_type (void)
341 static GType type = 0;
343 if (G_UNLIKELY(type == 0))
345 static const GTypeInfo info =
347 sizeof (ModestFormatterClass),
348 NULL, /* base_init */
349 NULL, /* base_finalize */
350 (GClassInitFunc) modest_formatter_class_init, /* class_init */
351 NULL, /* class_finalize */
352 NULL, /* class_data */
353 sizeof (ModestFormatter),
355 modest_formatter_instance_init /* instance_init */
358 type = g_type_register_static (G_TYPE_OBJECT,
368 modest_formatter_wrapper_cite (ModestFormatter *self, const gchar *text, TnyHeader *header,
371 gchar *result, *from;
372 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
374 from = tny_header_dup_from (header);
375 result = modest_text_utils_cite (text,
379 tny_header_get_date_sent (header));
385 modest_formatter_wrapper_inline (ModestFormatter *self, const gchar *text, TnyHeader *header,
388 gchar *result, *from, *to, *subject;
389 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
391 from = tny_header_dup_from (header);
392 to = tny_header_dup_to (header);
393 subject = tny_header_dup_subject (header);
394 result = modest_text_utils_inline (text,
398 tny_header_get_date_sent (header),
408 modest_formatter_wrapper_quote (ModestFormatter *self, const gchar *text, TnyHeader *header,
411 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
412 GList *filenames = NULL;
414 gchar *result = NULL;
417 /* First we need a GList of attachments filenames */
418 for (node = attachments; node != NULL; node = g_list_next (node)) {
419 TnyMimePart *part = (TnyMimePart *) node->data;
420 gchar *filename = NULL;
421 if (TNY_IS_MSG (part)) {
422 TnyHeader *header = tny_msg_get_header (TNY_MSG (part));
423 filename = tny_header_dup_subject (header);
424 if ((filename == NULL)||(filename[0] == '\0')) {
426 filename = g_strdup (_("mail_va_no_subject"));
428 g_object_unref (header);
430 filename = g_strdup (tny_mime_part_get_filename (part));
431 if ((filename == NULL)||(filename[0] == '\0')) {
433 filename = g_strdup ("");
436 filenames = g_list_prepend (filenames, filename);
439 /* TODO: get 80 from the configuration */
440 from = tny_header_dup_from (header);
441 result = modest_text_utils_quote (text,
445 tny_header_get_date_sent (header),
450 g_list_foreach (filenames, (GFunc) g_free, NULL);
451 g_list_free (filenames);
456 modest_formatter_create_message (ModestFormatter *self, gboolean single_body,
457 gboolean has_attachments, gboolean has_images)
459 TnyMsg *result = NULL;
460 TnyPlatformFactory *fact = NULL;
461 TnyMimePart *body_mime_part = NULL;
462 TnyMimePart *related_mime_part = NULL;
464 fact = modest_runtime_get_platform_factory ();
465 result = tny_platform_factory_new_msg (fact);
466 if (has_attachments) {
467 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/mixed");
469 related_mime_part = tny_platform_factory_new_mime_part (fact);
470 tny_mime_part_set_content_type (related_mime_part, "multipart/related");
471 tny_mime_part_add_part (TNY_MIME_PART (result), related_mime_part);
473 related_mime_part = g_object_ref (result);
477 body_mime_part = tny_platform_factory_new_mime_part (fact);
478 tny_mime_part_set_content_type (body_mime_part, "multipart/alternative");
479 tny_mime_part_add_part (TNY_MIME_PART (related_mime_part), body_mime_part);
480 g_object_unref (body_mime_part);
483 g_object_unref (related_mime_part);
484 } else if (has_images) {
485 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/related");
488 body_mime_part = tny_platform_factory_new_mime_part (fact);
489 tny_mime_part_set_content_type (body_mime_part, "multipart/alternative");
490 tny_mime_part_add_part (TNY_MIME_PART (result), body_mime_part);
491 g_object_unref (body_mime_part);
494 } else if (!single_body) {
495 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/alternative");
502 find_body_parent (TnyMimePart *part)
504 const gchar *msg_content_type = NULL;
505 msg_content_type = tny_mime_part_get_content_type (part);
507 if ((msg_content_type != NULL) &&
508 (!g_strcasecmp (msg_content_type, "multipart/alternative")))
509 return g_object_ref (part);
510 else if ((msg_content_type != NULL) &&
511 (g_str_has_prefix (msg_content_type, "multipart/"))) {
512 TnyIterator *iter = NULL;
513 TnyMimePart *alternative_part = NULL;
514 TnyMimePart *related_part = NULL;
515 TnyList *parts = TNY_LIST (tny_simple_list_new ());
516 tny_mime_part_get_parts (TNY_MIME_PART (part), parts);
517 iter = tny_list_create_iterator (parts);
519 while (!tny_iterator_is_done (iter)) {
520 TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
521 if (part && !g_strcasecmp(tny_mime_part_get_content_type (part), "multipart/alternative")) {
522 alternative_part = part;
524 } else if (part && !g_strcasecmp (tny_mime_part_get_content_type (part), "multipart/related")) {
530 g_object_unref (part);
532 tny_iterator_next (iter);
534 g_object_unref (iter);
535 g_object_unref (parts);
538 result = find_body_parent (related_part);
539 g_object_unref (related_part);
541 } else if (alternative_part)
542 return alternative_part;
544 return g_object_ref (part);
550 modest_formatter_create_body_part (ModestFormatter *self, TnyMsg *msg)
552 TnyMimePart *result = NULL;
553 TnyPlatformFactory *fact = NULL;
554 TnyMimePart *parent = NULL;
556 parent = find_body_parent (TNY_MIME_PART (msg));
557 fact = modest_runtime_get_platform_factory ();
558 if (parent != NULL) {
559 result = tny_platform_factory_new_mime_part (fact);
560 tny_mime_part_add_part (TNY_MIME_PART (parent), result);
561 g_object_unref (parent);
563 result = g_object_ref (msg);