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;
84 buf = gtk_text_buffer_new (NULL);
85 stream = TNY_STREAM (tny_gtk_text_buffer_stream_new (buf));
86 tny_stream_reset (stream);
87 mp_stream = tny_mime_part_get_decoded_stream (body);
89 is_html = (g_strcmp0 (tny_mime_part_get_content_type (body), "text/html") == 0);
91 input_stream = modest_stream_html_to_text_new (mp_stream);
93 input_stream = g_object_ref (mp_stream);
102 while (!tny_stream_is_eos (input_stream)) {
108 next_read = MIN (128, MAX_BODY_LENGTH - total);
111 n_read = tny_stream_read (input_stream, buffer, next_read);
113 if (G_UNLIKELY (n_read < 0))
117 while (offset < buffer + n_read) {
119 if (*offset == '\n') {
124 if (line_chars >= LINE_WRAP) {
129 if (total_lines >= MAX_BODY_LINES)
134 if (offset - buffer > 0) {
135 gint n_write = 0, to_write = 0;
137 to_write = offset - buffer;
138 n_write = tny_stream_write (stream, buffer, to_write);
140 } else if (n_read == -1) {
144 if (total_lines >= MAX_BODY_LINES)
148 tny_stream_reset (stream);
150 g_object_unref (G_OBJECT(stream));
151 g_object_unref (G_OBJECT (mp_stream));
152 g_object_unref (G_OBJECT (input_stream));
154 gtk_text_buffer_get_bounds (buf, &start, &end);
155 text = gtk_text_buffer_get_text (buf, &start, &end, FALSE);
156 g_object_unref (G_OBJECT(buf));
158 /* Convert to desired content type if needed */
159 priv = MODEST_FORMATTER_GET_PRIVATE (self);
165 construct_from_text (TnyMimePart *part,
167 const gchar *content_type)
169 TnyStream *text_body_stream;
171 /* Create the stream */
172 text_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
173 (text, strlen(text)));
175 /* Construct MIME part */
176 tny_stream_reset (text_body_stream);
177 tny_mime_part_construct (part, text_body_stream, content_type, "7bit");
178 tny_stream_reset (text_body_stream);
181 g_object_unref (G_OBJECT (text_body_stream));
185 modest_formatter_do (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, FormatterFunc func,
188 TnyMsg *new_msg = NULL;
189 gchar *body_text = NULL, *txt = NULL;
190 ModestFormatterPrivate *priv;
191 TnyMimePart *body_part = NULL;
193 g_return_val_if_fail (self, NULL);
194 g_return_val_if_fail (header, NULL);
195 g_return_val_if_fail (func, NULL);
198 new_msg = modest_formatter_create_message (self, TRUE, attachments != NULL, FALSE);
199 body_part = modest_formatter_create_body_part (self, new_msg);
202 body_text = extract_text (self, body);
204 body_text = g_strdup ("");
206 txt = (gchar *) func (self, (const gchar*) body_text, header, attachments);
207 priv = MODEST_FORMATTER_GET_PRIVATE (self);
208 construct_from_text (TNY_MIME_PART (body_part), (const gchar*) txt, priv->content_type);
209 g_object_unref (body_part);
219 modest_formatter_cite (ModestFormatter *self, TnyMimePart *body, TnyHeader *header)
221 return modest_formatter_do (self, body, header, modest_formatter_wrapper_cite, NULL);
225 modest_formatter_quote (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, GList *attachments)
227 return modest_formatter_do (self, body, header, modest_formatter_wrapper_quote, attachments);
231 modest_formatter_inline (ModestFormatter *self, TnyMimePart *body, TnyHeader *header, GList *attachments)
233 return modest_formatter_do (self, body, header, modest_formatter_wrapper_inline, attachments);
237 modest_formatter_attach (ModestFormatter *self, TnyMsg *msg, TnyHeader *header)
239 TnyMsg *new_msg = NULL;
240 TnyMimePart *body_part = NULL;
241 ModestFormatterPrivate *priv;
245 new_msg = modest_formatter_create_message (self, TRUE, TRUE, FALSE);
246 body_part = modest_formatter_create_body_part (self, new_msg);
248 /* Create the two parts */
249 priv = MODEST_FORMATTER_GET_PRIVATE (self);
250 txt = modest_text_utils_cite ("", priv->content_type, priv->signature,
251 NULL, tny_header_get_date_sent (header));
252 construct_from_text (body_part, txt, priv->content_type);
254 g_object_unref (body_part);
258 tny_mime_part_add_part (TNY_MIME_PART (new_msg), TNY_MIME_PART (msg));
265 modest_formatter_new (const gchar *content_type, const gchar *signature)
267 ModestFormatter *formatter;
268 ModestFormatterPrivate *priv;
270 formatter = g_object_new (MODEST_TYPE_FORMATTER, NULL);
271 priv = MODEST_FORMATTER_GET_PRIVATE (formatter);
272 priv->content_type = g_strdup (content_type);
273 priv->signature = g_strdup (signature);
279 modest_formatter_instance_init (GTypeInstance *instance, gpointer g_class)
281 ModestFormatter *self = (ModestFormatter *)instance;
282 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
284 priv->content_type = NULL;
285 priv->signature = NULL;
289 modest_formatter_finalize (GObject *object)
291 ModestFormatter *self = (ModestFormatter *)object;
292 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
294 if (priv->content_type)
295 g_free (priv->content_type);
298 g_free (priv->signature);
300 (*parent_class->finalize) (object);
304 modest_formatter_class_init (ModestFormatterClass *class)
306 GObjectClass *object_class;
308 parent_class = g_type_class_peek_parent (class);
309 object_class = (GObjectClass*) class;
310 object_class->finalize = modest_formatter_finalize;
312 g_type_class_add_private (object_class, sizeof (ModestFormatterPrivate));
316 modest_formatter_get_type (void)
318 static GType type = 0;
320 if (G_UNLIKELY(type == 0))
322 static const GTypeInfo info =
324 sizeof (ModestFormatterClass),
325 NULL, /* base_init */
326 NULL, /* base_finalize */
327 (GClassInitFunc) modest_formatter_class_init, /* class_init */
328 NULL, /* class_finalize */
329 NULL, /* class_data */
330 sizeof (ModestFormatter),
332 modest_formatter_instance_init /* instance_init */
335 type = g_type_register_static (G_TYPE_OBJECT,
345 modest_formatter_wrapper_cite (ModestFormatter *self, const gchar *text, TnyHeader *header,
348 gchar *result, *from;
349 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
351 from = tny_header_dup_from (header);
352 result = modest_text_utils_cite (text,
356 tny_header_get_date_sent (header));
362 modest_formatter_wrapper_inline (ModestFormatter *self, const gchar *text, TnyHeader *header,
365 gchar *result, *from, *to, *subject;
366 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
368 from = tny_header_dup_from (header);
369 to = tny_header_dup_to (header);
370 subject = tny_header_dup_subject (header);
371 result = modest_text_utils_inline (text,
375 tny_header_get_date_sent (header),
385 modest_formatter_wrapper_quote (ModestFormatter *self, const gchar *text, TnyHeader *header,
388 ModestFormatterPrivate *priv = MODEST_FORMATTER_GET_PRIVATE (self);
389 GList *filenames = NULL;
391 gchar *result = NULL;
394 /* First we need a GList of attachments filenames */
395 for (node = attachments; node != NULL; node = g_list_next (node)) {
396 TnyMimePart *part = (TnyMimePart *) node->data;
397 gchar *filename = NULL;
398 if (TNY_IS_MSG (part)) {
399 TnyHeader *header = tny_msg_get_header (TNY_MSG (part));
400 filename = tny_header_dup_subject (header);
401 if ((filename == NULL)||(filename[0] == '\0')) {
403 filename = g_strdup (_("mail_va_no_subject"));
405 g_object_unref (header);
407 filename = g_strdup (tny_mime_part_get_filename (part));
408 if ((filename == NULL)||(filename[0] == '\0')) {
410 filename = g_strdup ("");
413 filenames = g_list_prepend (filenames, filename);
416 /* TODO: get 80 from the configuration */
417 from = tny_header_dup_from (header);
418 result = modest_text_utils_quote (text,
422 tny_header_get_date_sent (header),
427 g_list_foreach (filenames, (GFunc) g_free, NULL);
428 g_list_free (filenames);
433 modest_formatter_create_message (ModestFormatter *self, gboolean single_body,
434 gboolean has_attachments, gboolean has_images)
436 TnyMsg *result = NULL;
437 TnyPlatformFactory *fact = NULL;
438 TnyMimePart *body_mime_part = NULL;
439 TnyMimePart *related_mime_part = NULL;
441 fact = modest_runtime_get_platform_factory ();
442 result = tny_platform_factory_new_msg (fact);
443 if (has_attachments) {
444 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/mixed");
446 related_mime_part = tny_platform_factory_new_mime_part (fact);
447 tny_mime_part_set_content_type (related_mime_part, "multipart/related");
448 tny_mime_part_add_part (TNY_MIME_PART (result), related_mime_part);
450 related_mime_part = g_object_ref (result);
454 body_mime_part = tny_platform_factory_new_mime_part (fact);
455 tny_mime_part_set_content_type (body_mime_part, "multipart/alternative");
456 tny_mime_part_add_part (TNY_MIME_PART (related_mime_part), body_mime_part);
457 g_object_unref (body_mime_part);
460 g_object_unref (related_mime_part);
461 } else if (has_images) {
462 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/related");
465 body_mime_part = tny_platform_factory_new_mime_part (fact);
466 tny_mime_part_set_content_type (body_mime_part, "multipart/alternative");
467 tny_mime_part_add_part (TNY_MIME_PART (result), body_mime_part);
468 g_object_unref (body_mime_part);
471 } else if (!single_body) {
472 tny_mime_part_set_content_type (TNY_MIME_PART (result), "multipart/alternative");
479 find_body_parent (TnyMimePart *part)
481 const gchar *msg_content_type = NULL;
482 msg_content_type = tny_mime_part_get_content_type (part);
484 if ((msg_content_type != NULL) &&
485 (!g_ascii_strcasecmp (msg_content_type, "multipart/alternative")))
486 return g_object_ref (part);
487 else if ((msg_content_type != NULL) &&
488 (g_str_has_prefix (msg_content_type, "multipart/"))) {
489 TnyIterator *iter = NULL;
490 TnyMimePart *alternative_part = NULL;
491 TnyMimePart *related_part = NULL;
492 TnyList *parts = TNY_LIST (tny_simple_list_new ());
493 tny_mime_part_get_parts (TNY_MIME_PART (part), parts);
494 iter = tny_list_create_iterator (parts);
496 while (!tny_iterator_is_done (iter)) {
497 TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
498 if (part && !g_ascii_strcasecmp(tny_mime_part_get_content_type (part), "multipart/alternative")) {
499 alternative_part = part;
501 } else if (part && !g_ascii_strcasecmp (tny_mime_part_get_content_type (part), "multipart/related")) {
507 g_object_unref (part);
509 tny_iterator_next (iter);
511 g_object_unref (iter);
512 g_object_unref (parts);
515 result = find_body_parent (related_part);
516 g_object_unref (related_part);
518 } else if (alternative_part)
519 return alternative_part;
521 return g_object_ref (part);
527 modest_formatter_create_body_part (ModestFormatter *self, TnyMsg *msg)
529 TnyMimePart *result = NULL;
530 TnyPlatformFactory *fact = NULL;
531 TnyMimePart *parent = NULL;
533 parent = find_body_parent (TNY_MIME_PART (msg));
534 fact = modest_runtime_get_platform_factory ();
535 if (parent != NULL) {
536 result = tny_platform_factory_new_mime_part (fact);
537 tny_mime_part_add_part (TNY_MIME_PART (parent), result);
538 g_object_unref (parent);
540 result = g_object_ref (msg);