1 /* Copyright (c) 2006, 2007, 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.
31 #include <widgets/modest-gtkhtml-mime-part-view.h>
33 #include <gtkhtml/gtkhtml-stream.h>
34 #include <gtkhtml/gtkhtml-search.h>
35 #include <tny-stream.h>
36 #include <tny-mime-part-view.h>
37 #include "modest-tny-mime-part.h"
38 #include <modest-stream-text-to-html.h>
39 #include <modest-text-utils.h>
40 #include <modest-conf.h>
41 #include <modest-runtime.h>
42 #include <widgets/modest-mime-part-view.h>
43 #include <widgets/modest-zoomable.h>
44 #include <widgets/modest-tny-stream-gtkhtml.h>
45 #include <libgnomevfs/gnome-vfs.h>
46 #include <gdk/gdkkeysyms.h>
47 #include <modest-ui-constants.h>
49 /* gobject structure methods */
50 static void modest_gtkhtml_mime_part_view_class_init (ModestGtkhtmlMimePartViewClass *klass);
51 static void tny_mime_part_view_init (gpointer g, gpointer iface_data);
52 static void modest_mime_part_view_init (gpointer g, gpointer iface_data);
53 static void modest_zoomable_init (gpointer g, gpointer iface_data);
54 static void modest_isearch_view_init (gpointer g, gpointer iface_data);
55 static void modest_gtkhtml_mime_part_view_init (ModestGtkhtmlMimePartView *self);
56 static void modest_gtkhtml_mime_part_view_finalize (GObject *self);
57 static void modest_gtkhtml_mime_part_view_dispose (GObject *self);
59 /* GtkHTML signal handlers */
60 static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self);
61 static gboolean on_url (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self);
62 static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
63 ModestGtkhtmlMimePartView *self);
64 static void on_notify_style (GObject *obj, GParamSpec *spec, gpointer userdata);
65 static gboolean update_style (ModestGtkhtmlMimePartView *self);
66 /* TnyMimePartView implementation */
67 static void modest_gtkhtml_mime_part_view_clear (TnyMimePartView *self);
68 static void modest_gtkhtml_mime_part_view_clear_default (TnyMimePartView *self);
69 static void modest_gtkhtml_mime_part_view_set_part (TnyMimePartView *self, TnyMimePart *part);
70 static void modest_gtkhtml_mime_part_view_set_part_default (TnyMimePartView *self, TnyMimePart *part);
71 static TnyMimePart* modest_gtkhtml_mime_part_view_get_part (TnyMimePartView *self);
72 static TnyMimePart* modest_gtkhtml_mime_part_view_get_part_default (TnyMimePartView *self);
73 /* ModestMimePartView implementation */
74 static gboolean modest_gtkhtml_mime_part_view_is_empty (ModestMimePartView *self);
75 static gboolean modest_gtkhtml_mime_part_view_is_empty_default (ModestMimePartView *self);
76 static gboolean modest_gtkhtml_mime_part_view_get_view_images (ModestMimePartView *self);
77 static gboolean modest_gtkhtml_mime_part_view_get_view_images_default (ModestMimePartView *self);
78 static void modest_gtkhtml_mime_part_view_set_view_images (ModestMimePartView *self, gboolean view_images);
79 static void modest_gtkhtml_mime_part_view_set_view_images_default (ModestMimePartView *self, gboolean view_images);
80 static gboolean modest_gtkhtml_mime_part_view_has_external_images (ModestMimePartView *self);
81 static gboolean modest_gtkhtml_mime_part_view_has_external_images_default (ModestMimePartView *self);
82 /* ModestZoomable implementation */
83 static gdouble modest_gtkhtml_mime_part_view_get_zoom (ModestZoomable *self);
84 static void modest_gtkhtml_mime_part_view_set_zoom (ModestZoomable *self, gdouble value);
85 static gboolean modest_gtkhtml_mime_part_view_zoom_minus (ModestZoomable *self);
86 static gboolean modest_gtkhtml_mime_part_view_zoom_plus (ModestZoomable *self);
87 static gdouble modest_gtkhtml_mime_part_view_get_zoom_default (ModestZoomable *self);
88 static void modest_gtkhtml_mime_part_view_set_zoom_default (ModestZoomable *self, gdouble value);
89 static gboolean modest_gtkhtml_mime_part_view_zoom_minus_default (ModestZoomable *self);
90 static gboolean modest_gtkhtml_mime_part_view_zoom_plus_default (ModestZoomable *self);
91 /* ModestISearchView implementation */
92 static gboolean modest_gtkhtml_mime_part_view_search (ModestISearchView *self, const gchar *string);
93 static gboolean modest_gtkhtml_mime_part_view_search_next (ModestISearchView *self);
94 static gboolean modest_gtkhtml_mime_part_view_get_selection_area (ModestISearchView *self, gint *x, gint *y,
95 gint *width, gint *height);
96 static gboolean modest_gtkhtml_mime_part_view_search_default (ModestISearchView *self, const gchar *string);
97 static gboolean modest_gtkhtml_mime_part_view_search_next_default (ModestISearchView *self);
98 static gboolean modest_gtkhtml_mime_part_view_get_selection_area_default (ModestISearchView *self, gint *x, gint *y,
99 gint *width, gint *height);
103 static TnyMimePart *get_part (ModestGtkhtmlMimePartView *self);
104 static void set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part, const gchar *encoding);
105 static void set_text_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part);
106 static void set_empty_part (ModestGtkhtmlMimePartView *self);
107 static void set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part);
108 static gboolean is_empty (ModestGtkhtmlMimePartView *self);
109 static gboolean get_view_images (ModestGtkhtmlMimePartView *self);
110 static void set_view_images (ModestGtkhtmlMimePartView *self, gboolean view_images);
111 static gboolean has_external_images (ModestGtkhtmlMimePartView *self);
112 static void set_zoom (ModestGtkhtmlMimePartView *self, gdouble zoom);
113 static gdouble get_zoom (ModestGtkhtmlMimePartView *self);
114 static gboolean has_contents_receiver (gpointer engine, const gchar *data,
115 size_t len, gboolean *has_contents);
116 static gboolean search (ModestGtkhtmlMimePartView *self, const gchar *string);
117 static gboolean search_next (ModestGtkhtmlMimePartView *self);
118 static gboolean get_selection_area (ModestGtkhtmlMimePartView *self, gint *x, gint *y,
119 gint *width, gint *height);
121 typedef struct _ModestGtkhtmlMimePartViewPrivate ModestGtkhtmlMimePartViewPrivate;
122 struct _ModestGtkhtmlMimePartViewPrivate {
124 gdouble current_zoom;
125 gboolean view_images;
126 gboolean has_external_images;
130 #define MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
131 MODEST_TYPE_GTKHTML_MIME_PART_VIEW, \
132 ModestGtkhtmlMimePartViewPrivate))
140 static GtkHTMLClass *parent_class = NULL;
142 static guint signals[LAST_SIGNAL] = {0};
145 modest_gtkhtml_mime_part_view_new ()
147 return g_object_new (MODEST_TYPE_GTKHTML_MIME_PART_VIEW, NULL);
150 /* GOBJECT IMPLEMENTATION */
152 modest_gtkhtml_mime_part_view_get_type (void)
154 static GType my_type = 0;
156 static const GTypeInfo my_info = {
157 sizeof(ModestGtkhtmlMimePartViewClass),
158 NULL, /* base init */
159 NULL, /* base finalize */
160 (GClassInitFunc) modest_gtkhtml_mime_part_view_class_init,
161 NULL, /* class finalize */
162 NULL, /* class data */
163 sizeof(ModestGtkhtmlMimePartView),
165 (GInstanceInitFunc) modest_gtkhtml_mime_part_view_init,
169 static const GInterfaceInfo tny_mime_part_view_info =
171 (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
172 NULL, /* interface_finalize */
173 NULL /* interface_data */
176 static const GInterfaceInfo modest_mime_part_view_info =
178 (GInterfaceInitFunc) modest_mime_part_view_init, /* interface_init */
179 NULL, /* interface_finalize */
180 NULL /* interface_data */
183 static const GInterfaceInfo modest_zoomable_info =
185 (GInterfaceInitFunc) modest_zoomable_init, /* interface_init */
186 NULL, /* interface_finalize */
187 NULL /* interface_data */
190 static const GInterfaceInfo modest_isearch_view_info =
192 (GInterfaceInitFunc) modest_isearch_view_init, /* interface_init */
193 NULL, /* interface_finalize */
194 NULL /* interface_data */
197 my_type = g_type_register_static (GTK_TYPE_HTML,
198 "ModestGtkhtmlMimePartView",
201 g_type_add_interface_static (my_type, TNY_TYPE_MIME_PART_VIEW,
202 &tny_mime_part_view_info);
204 g_type_add_interface_static (my_type, MODEST_TYPE_MIME_PART_VIEW,
205 &modest_mime_part_view_info);
207 g_type_add_interface_static (my_type, MODEST_TYPE_ZOOMABLE,
208 &modest_zoomable_info);
209 g_type_add_interface_static (my_type, MODEST_TYPE_ISEARCH_VIEW,
210 &modest_isearch_view_info);
216 modest_gtkhtml_mime_part_view_class_init (ModestGtkhtmlMimePartViewClass *klass)
218 GObjectClass *gobject_class;
219 GtkBindingSet *binding_set;
221 gobject_class = (GObjectClass*) klass;
223 parent_class = g_type_class_peek_parent (klass);
224 gobject_class->dispose = modest_gtkhtml_mime_part_view_dispose;
225 gobject_class->finalize = modest_gtkhtml_mime_part_view_finalize;
227 klass->get_part_func = modest_gtkhtml_mime_part_view_get_part_default;
228 klass->set_part_func = modest_gtkhtml_mime_part_view_set_part_default;
229 klass->clear_func = modest_gtkhtml_mime_part_view_clear_default;
230 klass->is_empty_func = modest_gtkhtml_mime_part_view_is_empty_default;
231 klass->get_view_images_func = modest_gtkhtml_mime_part_view_get_view_images_default;
232 klass->set_view_images_func = modest_gtkhtml_mime_part_view_set_view_images_default;
233 klass->has_external_images_func = modest_gtkhtml_mime_part_view_has_external_images_default;
234 klass->get_zoom_func = modest_gtkhtml_mime_part_view_get_zoom_default;
235 klass->set_zoom_func = modest_gtkhtml_mime_part_view_set_zoom_default;
236 klass->zoom_minus_func = modest_gtkhtml_mime_part_view_zoom_minus_default;
237 klass->zoom_plus_func = modest_gtkhtml_mime_part_view_zoom_plus_default;
238 klass->search_func = modest_gtkhtml_mime_part_view_search_default;
239 klass->search_next_func = modest_gtkhtml_mime_part_view_search_next_default;
240 klass->get_selection_area_func = modest_gtkhtml_mime_part_view_get_selection_area_default;
242 binding_set = gtk_binding_set_by_class (klass);
243 gtk_binding_entry_skip (binding_set, GDK_Down, 0);
244 gtk_binding_entry_skip (binding_set, GDK_Up, 0);
245 gtk_binding_entry_skip (binding_set, GDK_KP_Up, 0);
246 gtk_binding_entry_skip (binding_set, GDK_KP_Down, 0);
247 gtk_binding_entry_skip (binding_set, GDK_Page_Down, 0);
248 gtk_binding_entry_skip (binding_set, GDK_Page_Up, 0);
249 gtk_binding_entry_skip (binding_set, GDK_KP_Page_Up, 0);
250 gtk_binding_entry_skip (binding_set, GDK_KP_Page_Down, 0);
251 gtk_binding_entry_skip (binding_set, GDK_Home, 0);
252 gtk_binding_entry_skip (binding_set, GDK_End, 0);
253 gtk_binding_entry_skip (binding_set, GDK_KP_Home, 0);
254 gtk_binding_entry_skip (binding_set, GDK_KP_End, 0);
256 g_type_class_add_private (gobject_class, sizeof(ModestGtkhtmlMimePartViewPrivate));
258 signals[STOP_STREAMS_SIGNAL] =
259 g_signal_new ("stop-streams",
260 G_TYPE_FROM_CLASS (gobject_class),
262 G_STRUCT_OFFSET (ModestGtkhtmlMimePartViewClass,stop_streams),
264 g_cclosure_marshal_VOID__VOID,
267 signals[LIMIT_ERROR_SIGNAL] =
268 g_signal_new ("limit-error",
269 G_TYPE_FROM_CLASS (gobject_class),
271 G_STRUCT_OFFSET (ModestGtkhtmlMimePartViewClass,limit_error),
273 g_cclosure_marshal_VOID__VOID,
279 modest_gtkhtml_mime_part_view_init (ModestGtkhtmlMimePartView *self)
281 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
285 gtk_html_set_editable (GTK_HTML(self), FALSE);
286 gtk_html_allow_selection (GTK_HTML(self), TRUE);
287 gtk_html_set_caret_mode (GTK_HTML(self), FALSE);
288 gtk_html_set_blocking (GTK_HTML(self), TRUE);
289 gtk_html_set_images_blocking (GTK_HTML(self), TRUE);
291 #ifdef MODEST_TOOLKIT_HILDON2
292 #ifdef HAVE_GTK_HTML_SET_MAX_IMAGE_SIZE
293 /* We set a maximum width of a bit less than the width of the screen, and a
294 maximum height of 2 times the full size of the window. Should be enough */
295 gtk_html_set_max_image_size (GTK_HTML (self), 720, 880);
297 #ifdef HAVE_GTK_HTML_SET_ALLOW_DND
298 gtk_html_set_allow_dnd (GTK_HTML(self), FALSE);
300 #ifdef HAVE_GTK_HTML_SET_WORD_CHAR_WRAPPING
301 gtk_html_set_word_char_wrapping (GTK_HTML (self), TRUE);
305 #ifdef HAVE_GTK_HTML_SET_DEFAULT_ENGINE
306 /* Enable Content type handling */
307 gtk_html_set_default_engine (GTK_HTML (self), TRUE);
310 gdk_color_parse ("#fff", &base);
311 gdk_color_parse ("#000", &text);
312 gtk_widget_modify_base (GTK_WIDGET (self), GTK_STATE_NORMAL, &base);
313 gtk_widget_modify_text (GTK_WIDGET (self), GTK_STATE_NORMAL, &text);
315 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
316 G_OBJECT(self), "link_clicked",
317 G_CALLBACK(on_link_clicked), self);
318 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
319 G_OBJECT(self), "url_requested",
320 G_CALLBACK(on_url_requested), self);
321 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
322 G_OBJECT(self), "on_url",
323 G_CALLBACK(on_url), self);
324 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
325 G_OBJECT(self), "notify::style",
326 G_CALLBACK (on_notify_style), (gpointer) self);
329 priv->current_zoom = 1.0;
330 priv->view_images = FALSE;
331 priv->has_external_images = FALSE;
335 modest_gtkhtml_mime_part_view_finalize (GObject *obj)
337 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj);
339 modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
340 priv->sighandlers = NULL;
342 G_OBJECT_CLASS (parent_class)->finalize (obj);
346 modest_gtkhtml_mime_part_view_dispose (GObject *obj)
348 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj);
350 g_signal_emit (G_OBJECT (obj), signals[STOP_STREAMS_SIGNAL], 0);
353 g_object_unref (priv->part);
357 G_OBJECT_CLASS (parent_class)->dispose (obj);
360 /* GTKHTML SIGNALS HANDLERS */
363 on_notify_style (GObject *obj, GParamSpec *spec, gpointer userdata)
365 if (strcmp ("style", spec->name) == 0) {
366 g_idle_add_full (G_PRIORITY_DEFAULT, (GSourceFunc) update_style,
367 g_object_ref (obj), g_object_unref);
368 gtk_widget_queue_draw (GTK_WIDGET (obj));
373 same_color (GdkColor *a, GdkColor *b)
375 return ((a->red == b->red) &&
376 (a->green == b->green) &&
377 (a->blue == b->blue));
381 update_style (ModestGtkhtmlMimePartView *self)
385 GtkRcStyle *rc_style;
387 gdk_threads_enter ();
389 if (GTK_WIDGET_VISIBLE (self)) {
390 rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (self));
392 gdk_color_parse ("#fff", &base);
393 gdk_color_parse ("#000", &text);
395 if (!same_color (&(rc_style->base[GTK_STATE_NORMAL]), &base) &&
396 !same_color (&(rc_style->text[GTK_STATE_NORMAL]), &text)) {
398 rc_style->base[GTK_STATE_NORMAL] = base;
399 rc_style->text[GTK_STATE_NORMAL] = text;
400 gtk_widget_modify_style (GTK_WIDGET (self), rc_style);
404 gdk_threads_leave ();
412 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self)
415 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
417 g_signal_emit_by_name (G_OBJECT (self), "activate-link", uri, &result);
422 on_url (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self)
425 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
427 g_signal_emit_by_name (G_OBJECT (self), "link-hover", uri, &result);
432 on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
433 ModestGtkhtmlMimePartView *self)
436 TnyStream *tny_stream;
437 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
439 if (g_str_has_prefix (uri, "http:")) {
440 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
442 if (!priv->view_images)
443 priv->has_external_images = TRUE;
446 tny_stream = TNY_STREAM (modest_tny_stream_gtkhtml_new (stream, GTK_HTML (widget)));
447 g_signal_emit_by_name (MODEST_MIME_PART_VIEW (self), "fetch-url", uri, tny_stream, &result);
448 g_object_unref (tny_stream);
454 decode_to_stream_cb (TnyMimePart *self,
460 ModestGtkhtmlMimePartView *view = (ModestGtkhtmlMimePartView *) user_data;
462 if (MODEST_IS_STREAM_TEXT_TO_HTML (stream)) {
463 if (tny_stream_write (stream, "\n", 1) == -1) {
464 g_warning ("failed to write CR in %s", __FUNCTION__);
466 if (modest_stream_text_to_html_limit_reached (MODEST_STREAM_TEXT_TO_HTML (stream))) {
467 g_signal_emit (G_OBJECT (view), signals[LIMIT_ERROR_SIGNAL], 0);
469 tny_stream_reset (stream);
471 if (modest_tny_stream_gtkhtml_limit_reached (MODEST_TNY_STREAM_GTKHTML (stream))) {
472 g_signal_emit (G_OBJECT (view), signals[LIMIT_ERROR_SIGNAL], 0);
475 tny_stream_close (stream);
479 set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part, const gchar *encoding)
481 GtkHTMLStream *gtkhtml_stream;
482 TnyStream *tny_stream;
485 g_return_if_fail (self);
486 g_return_if_fail (part);
488 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
490 content_type = g_strdup_printf ("text/html; charset=%s", encoding);
491 gtkhtml_stream = gtk_html_begin_full(GTK_HTML(self), NULL, content_type, 0);
492 g_free (content_type);
494 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self)));
495 modest_tny_stream_gtkhtml_set_max_size (MODEST_TNY_STREAM_GTKHTML (tny_stream), 128*1024);
496 tny_stream_reset (tny_stream);
498 tny_mime_part_decode_to_stream_async (TNY_MIME_PART (part),
499 tny_stream, decode_to_stream_cb,
501 g_object_unref (tny_stream);
505 set_text_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
507 TnyStream* text_to_html_stream, *tny_stream;
508 GtkHTMLStream *gtkhtml_stream;
510 g_return_if_fail (self);
511 g_return_if_fail (part);
513 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
515 gtkhtml_stream = gtk_html_begin(GTK_HTML(self));
516 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self)));
517 modest_tny_stream_gtkhtml_set_max_size (MODEST_TNY_STREAM_GTKHTML (tny_stream), 128*1024);
518 text_to_html_stream = TNY_STREAM (modest_stream_text_to_html_new (tny_stream));
519 modest_stream_text_to_html_set_linkify_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
521 modest_stream_text_to_html_set_full_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
523 modest_stream_text_to_html_set_line_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
526 tny_mime_part_decode_to_stream_async (TNY_MIME_PART (part),
527 text_to_html_stream, decode_to_stream_cb,
530 g_object_unref (G_OBJECT(text_to_html_stream));
531 g_object_unref (G_OBJECT(tny_stream));
535 set_empty_part (ModestGtkhtmlMimePartView *self)
537 g_return_if_fail (self);
539 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
540 gtk_html_load_from_string (GTK_HTML(self), "", 1);
544 set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
546 ModestGtkhtmlMimePartViewPrivate *priv;
547 gchar *header_content_type, *header_content_type_lower;
549 gchar *charset = NULL;
551 g_return_if_fail (self);
553 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(self);
554 priv->has_external_images = FALSE;
556 if (part != priv->part) {
558 g_object_unref (G_OBJECT(priv->part));
560 g_object_ref (G_OBJECT(part));
565 set_empty_part (self);
569 header_content_type = modest_tny_mime_part_get_header_value (part, "Content-Type");
570 if (header_content_type) {
571 header_content_type = g_strstrip (header_content_type);
572 header_content_type_lower = g_ascii_strdown (header_content_type, -1);
574 header_content_type_lower = NULL;
577 if (header_content_type_lower) {
578 tmp = strstr (header_content_type_lower, "charset=");
581 tmp = tmp + strlen ("charset=");
583 tmp2 = strstr (tmp, ";");
585 charset = g_strndup (tmp, tmp2-tmp);
587 charset = g_strdup (tmp);
592 if (tny_mime_part_content_type_is (part, "text/html")) {
593 set_html_part (self, part, charset);
595 if (tny_mime_part_content_type_is (part, "message/rfc822")) {
596 if (header_content_type) {
597 if (g_str_has_prefix (header_content_type_lower, "text/html"))
598 set_html_part (self, part, charset);
600 set_text_part (self, part);
603 set_text_part (self, part);
606 set_text_part (self, part);
609 g_free (header_content_type_lower);
610 g_free (header_content_type);
615 get_part (ModestGtkhtmlMimePartView *self)
619 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), NULL);
621 part = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(self)->part;
630 has_contents_receiver (gpointer engine, const gchar *data,
631 size_t len, gboolean *has_contents)
633 if (len > 1 || ((len == 1)&&(data[0]!='\n'))) {
634 *has_contents = TRUE;
641 is_empty (ModestGtkhtmlMimePartView *self)
643 /* TODO: Find some gtkhtml API to check whether there is any (visible, non markup)
644 * text in the message:
646 gboolean has_contents = FALSE;
648 gtk_html_export (GTK_HTML (self), "text/plain",
649 (GtkHTMLSaveReceiverFn) has_contents_receiver, &has_contents);
651 return !has_contents;
655 get_view_images (ModestGtkhtmlMimePartView *self)
657 ModestGtkhtmlMimePartViewPrivate *priv;
659 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
661 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
662 return priv->view_images;
666 set_view_images (ModestGtkhtmlMimePartView *self, gboolean view_images)
668 ModestGtkhtmlMimePartViewPrivate *priv;
670 g_return_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self));
672 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
673 priv->view_images = view_images;
677 has_external_images (ModestGtkhtmlMimePartView *self)
679 ModestGtkhtmlMimePartViewPrivate *priv;
681 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
683 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
684 return priv->has_external_images;
688 set_zoom (ModestGtkhtmlMimePartView *self, gdouble zoom)
690 ModestGtkhtmlMimePartViewPrivate *priv;
692 g_return_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self));
694 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
695 priv->current_zoom = zoom;
696 gtk_html_set_magnification (GTK_HTML(self), zoom);
698 gtk_widget_queue_resize (GTK_WIDGET (self));
702 get_zoom (ModestGtkhtmlMimePartView *self)
704 ModestGtkhtmlMimePartViewPrivate *priv;
706 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), 1.0);
708 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
710 return priv->current_zoom;
714 search (ModestGtkhtmlMimePartView *self,
717 return gtk_html_engine_search (GTK_HTML (self),
719 FALSE, /* case sensitive */
725 search_next (ModestGtkhtmlMimePartView *self)
727 return gtk_html_engine_search_next (GTK_HTML (self));
731 get_selection_area (ModestGtkhtmlMimePartView *self,
733 gint *width, gint *height)
735 #ifdef HAVE_GTK_HTML_GET_SELECTION_AREA
736 gtk_html_get_selection_area (GTK_HTML (self), x, y, width, height);
744 /* TNY MIME PART IMPLEMENTATION */
747 tny_mime_part_view_init (gpointer g, gpointer iface_data)
749 TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
751 klass->get_part = modest_gtkhtml_mime_part_view_get_part;
752 klass->set_part = modest_gtkhtml_mime_part_view_set_part;
753 klass->clear = modest_gtkhtml_mime_part_view_clear;
759 modest_gtkhtml_mime_part_view_get_part (TnyMimePartView *self)
761 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_part_func (self);
766 modest_gtkhtml_mime_part_view_get_part_default (TnyMimePartView *self)
768 return TNY_MIME_PART (get_part (MODEST_GTKHTML_MIME_PART_VIEW (self)));
772 modest_gtkhtml_mime_part_view_set_part (TnyMimePartView *self,
775 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_part_func (self, part);
779 modest_gtkhtml_mime_part_view_set_part_default (TnyMimePartView *self,
782 g_return_if_fail ((part == NULL) || TNY_IS_MIME_PART (part));
784 set_part (MODEST_GTKHTML_MIME_PART_VIEW (self), part);
788 modest_gtkhtml_mime_part_view_clear (TnyMimePartView *self)
790 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->clear_func (self);
794 modest_gtkhtml_mime_part_view_clear_default (TnyMimePartView *self)
796 set_part (MODEST_GTKHTML_MIME_PART_VIEW (self), NULL);
799 /* MODEST MIME PART VIEW IMPLEMENTATION */
802 modest_mime_part_view_init (gpointer g, gpointer iface_data)
804 ModestMimePartViewIface *klass = (ModestMimePartViewIface *)g;
806 klass->is_empty_func = modest_gtkhtml_mime_part_view_is_empty;
807 klass->get_view_images_func = modest_gtkhtml_mime_part_view_get_view_images;
808 klass->set_view_images_func = modest_gtkhtml_mime_part_view_set_view_images;
809 klass->has_external_images_func = modest_gtkhtml_mime_part_view_has_external_images;
815 modest_gtkhtml_mime_part_view_is_empty (ModestMimePartView *self)
817 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->is_empty_func (self);
821 modest_gtkhtml_mime_part_view_get_view_images (ModestMimePartView *self)
823 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_view_images_func (self);
827 modest_gtkhtml_mime_part_view_set_view_images (ModestMimePartView *self, gboolean view_images)
829 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_view_images_func (self, view_images);
833 modest_gtkhtml_mime_part_view_has_external_images (ModestMimePartView *self)
835 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->has_external_images_func (self);
839 modest_gtkhtml_mime_part_view_is_empty_default (ModestMimePartView *self)
841 return is_empty (MODEST_GTKHTML_MIME_PART_VIEW (self));
845 modest_gtkhtml_mime_part_view_get_view_images_default (ModestMimePartView *self)
847 return get_view_images (MODEST_GTKHTML_MIME_PART_VIEW (self));
851 modest_gtkhtml_mime_part_view_set_view_images_default (ModestMimePartView *self, gboolean view_images)
853 set_view_images (MODEST_GTKHTML_MIME_PART_VIEW (self), view_images);
857 modest_gtkhtml_mime_part_view_has_external_images_default (ModestMimePartView *self)
859 return has_external_images (MODEST_GTKHTML_MIME_PART_VIEW (self));
863 /* MODEST ZOOMABLE IMPLEMENTATION */
865 modest_zoomable_init (gpointer g, gpointer iface_data)
867 ModestZoomableIface *klass = (ModestZoomableIface *)g;
869 klass->get_zoom_func = modest_gtkhtml_mime_part_view_get_zoom;
870 klass->set_zoom_func = modest_gtkhtml_mime_part_view_set_zoom;
871 klass->zoom_minus_func = modest_gtkhtml_mime_part_view_zoom_minus;
872 klass->zoom_plus_func = modest_gtkhtml_mime_part_view_zoom_plus;
878 modest_gtkhtml_mime_part_view_get_zoom (ModestZoomable *self)
880 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_zoom_func (self);
884 modest_gtkhtml_mime_part_view_get_zoom_default (ModestZoomable *self)
886 return get_zoom (MODEST_GTKHTML_MIME_PART_VIEW (self));
890 modest_gtkhtml_mime_part_view_set_zoom (ModestZoomable *self, gdouble value)
892 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_zoom_func (self, value);
896 modest_gtkhtml_mime_part_view_set_zoom_default (ModestZoomable *self, gdouble value)
898 set_zoom (MODEST_GTKHTML_MIME_PART_VIEW (self), value);
902 modest_gtkhtml_mime_part_view_zoom_minus (ModestZoomable *self)
904 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->zoom_minus_func (self);
908 modest_gtkhtml_mime_part_view_zoom_minus_default (ModestZoomable *self)
910 /* operation not supported in ModestGtkhtmlMimePartView */
915 modest_gtkhtml_mime_part_view_zoom_plus (ModestZoomable *self)
917 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->zoom_plus_func (self);
921 modest_gtkhtml_mime_part_view_zoom_plus_default (ModestZoomable *self)
923 /* operation not supported in ModestGtkhtmlMimePartView */
927 /* ISEARCH VIEW IMPLEMENTATION */
929 modest_isearch_view_init (gpointer g, gpointer iface_data)
931 ModestISearchViewIface *klass = (ModestISearchViewIface *)g;
933 klass->search_func = modest_gtkhtml_mime_part_view_search;
934 klass->search_next_func = modest_gtkhtml_mime_part_view_search_next;
935 klass->get_selection_area_func = modest_gtkhtml_mime_part_view_get_selection_area;
941 modest_gtkhtml_mime_part_view_search (ModestISearchView *self, const gchar *string)
943 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->search_func (self, string);
947 modest_gtkhtml_mime_part_view_search_default (ModestISearchView *self, const gchar *string)
949 return search (MODEST_GTKHTML_MIME_PART_VIEW (self), string);
953 modest_gtkhtml_mime_part_view_search_next(ModestISearchView *self)
955 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->search_next_func (self);
959 modest_gtkhtml_mime_part_view_search_next_default (ModestISearchView *self)
961 return search_next (MODEST_GTKHTML_MIME_PART_VIEW (self));
965 modest_gtkhtml_mime_part_view_get_selection_area (ModestISearchView *self, gint *x, gint *y,
966 gint *width, gint *height)
968 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_selection_area_func (self, x, y, width, height);
972 modest_gtkhtml_mime_part_view_get_selection_area_default (ModestISearchView *self, gint *x, gint *y,
973 gint *width, gint *height)
975 return get_selection_area (MODEST_GTKHTML_MIME_PART_VIEW (self), x, y, width, height);