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);
290 /* We don't need this for Hildon2 as this widget will be most
291 likely inside pannable area */
292 #ifndef MODEST_TOOLKIT_HILDON2
293 #ifndef MODEST_TOOLKIT_GTK
294 gtk_html_set_auto_panning (GTK_HTML (self), TRUE);
298 #ifdef MODEST_TOOLKIT_HILDON2
299 #ifdef HAVE_GTK_HTML_SET_MAX_IMAGE_SIZE
300 /* We set a maximum width of a bit less than the width of the screen, and a
301 maximum height of 2 times the full size of the window. Should be enough */
302 gtk_html_set_max_image_size (GTK_HTML (self), 720, 880);
304 #ifdef HAVE_GTK_HTML_SET_ALLOW_DND
305 gtk_html_set_allow_dnd (GTK_HTML(self), FALSE);
309 #ifdef HAVE_GTK_HTML_SET_DEFAULT_ENGINE
310 /* Enable Content type handling */
311 gtk_html_set_default_engine (GTK_HTML (self), TRUE);
314 gdk_color_parse ("#fff", &base);
315 gdk_color_parse ("#000", &text);
316 gtk_widget_modify_base (GTK_WIDGET (self), GTK_STATE_NORMAL, &base);
317 gtk_widget_modify_text (GTK_WIDGET (self), GTK_STATE_NORMAL, &text);
319 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
320 G_OBJECT(self), "link_clicked",
321 G_CALLBACK(on_link_clicked), self);
322 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
323 G_OBJECT(self), "url_requested",
324 G_CALLBACK(on_url_requested), self);
325 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
326 G_OBJECT(self), "on_url",
327 G_CALLBACK(on_url), self);
328 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
329 G_OBJECT(self), "notify::style",
330 G_CALLBACK (on_notify_style), (gpointer) self);
333 priv->current_zoom = 1.0;
334 priv->view_images = FALSE;
335 priv->has_external_images = FALSE;
339 modest_gtkhtml_mime_part_view_finalize (GObject *obj)
341 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj);
343 modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
344 priv->sighandlers = NULL;
346 G_OBJECT_CLASS (parent_class)->finalize (obj);
350 modest_gtkhtml_mime_part_view_dispose (GObject *obj)
352 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj);
354 g_signal_emit (G_OBJECT (obj), signals[STOP_STREAMS_SIGNAL], 0);
357 g_object_unref (priv->part);
361 G_OBJECT_CLASS (parent_class)->dispose (obj);
364 /* GTKHTML SIGNALS HANDLERS */
367 on_notify_style (GObject *obj, GParamSpec *spec, gpointer userdata)
369 if (strcmp ("style", spec->name) == 0) {
370 g_idle_add_full (G_PRIORITY_DEFAULT, (GSourceFunc) update_style,
371 g_object_ref (obj), g_object_unref);
372 gtk_widget_queue_draw (GTK_WIDGET (obj));
377 same_color (GdkColor *a, GdkColor *b)
379 return ((a->red == b->red) &&
380 (a->green == b->green) &&
381 (a->blue == b->blue));
385 update_style (ModestGtkhtmlMimePartView *self)
389 GtkRcStyle *rc_style;
391 gdk_threads_enter ();
393 if (GTK_WIDGET_VISIBLE (self)) {
394 rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (self));
396 gdk_color_parse ("#fff", &base);
397 gdk_color_parse ("#000", &text);
399 if (!same_color (&(rc_style->base[GTK_STATE_NORMAL]), &base) &&
400 !same_color (&(rc_style->text[GTK_STATE_NORMAL]), &text)) {
402 rc_style->base[GTK_STATE_NORMAL] = base;
403 rc_style->text[GTK_STATE_NORMAL] = text;
404 gtk_widget_modify_style (GTK_WIDGET (self), rc_style);
408 gdk_threads_leave ();
416 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self)
419 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
421 g_signal_emit_by_name (G_OBJECT (self), "activate-link", uri, &result);
426 on_url (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self)
429 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
431 g_signal_emit_by_name (G_OBJECT (self), "link-hover", uri, &result);
436 on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
437 ModestGtkhtmlMimePartView *self)
440 TnyStream *tny_stream;
441 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
443 if (g_str_has_prefix (uri, "http:")) {
444 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
446 if (!priv->view_images)
447 priv->has_external_images = TRUE;
450 tny_stream = TNY_STREAM (modest_tny_stream_gtkhtml_new (stream, GTK_HTML (widget)));
451 g_signal_emit_by_name (MODEST_MIME_PART_VIEW (self), "fetch-url", uri, tny_stream, &result);
452 g_object_unref (tny_stream);
458 decode_to_stream_cb (TnyMimePart *self,
464 ModestGtkhtmlMimePartView *view = (ModestGtkhtmlMimePartView *) user_data;
466 if (MODEST_IS_STREAM_TEXT_TO_HTML (stream)) {
467 if (tny_stream_write (stream, "\n", 1) == -1) {
468 g_warning ("failed to write CR in %s", __FUNCTION__);
470 if (modest_stream_text_to_html_limit_reached (MODEST_STREAM_TEXT_TO_HTML (stream))) {
471 g_signal_emit (G_OBJECT (view), signals[LIMIT_ERROR_SIGNAL], 0);
473 tny_stream_reset (stream);
475 if (modest_tny_stream_gtkhtml_limit_reached (MODEST_TNY_STREAM_GTKHTML (stream))) {
476 g_signal_emit (G_OBJECT (view), signals[LIMIT_ERROR_SIGNAL], 0);
479 tny_stream_close (stream);
483 set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part, const gchar *encoding)
485 GtkHTMLStream *gtkhtml_stream;
486 TnyStream *tny_stream;
489 g_return_if_fail (self);
490 g_return_if_fail (part);
492 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
494 content_type = g_strdup_printf ("text/html; charset=%s", encoding);
495 gtkhtml_stream = gtk_html_begin_full(GTK_HTML(self), NULL, content_type, 0);
496 g_free (content_type);
498 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self)));
499 modest_tny_stream_gtkhtml_set_max_size (MODEST_TNY_STREAM_GTKHTML (tny_stream), 128*1024);
500 tny_stream_reset (tny_stream);
502 tny_mime_part_decode_to_stream_async (TNY_MIME_PART (part),
503 tny_stream, decode_to_stream_cb,
505 g_object_unref (tny_stream);
509 set_text_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
511 TnyStream* text_to_html_stream, *tny_stream;
512 GtkHTMLStream *gtkhtml_stream;
514 g_return_if_fail (self);
515 g_return_if_fail (part);
517 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
519 gtkhtml_stream = gtk_html_begin(GTK_HTML(self));
520 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self)));
521 modest_tny_stream_gtkhtml_set_max_size (MODEST_TNY_STREAM_GTKHTML (tny_stream), 128*1024);
522 text_to_html_stream = TNY_STREAM (modest_stream_text_to_html_new (tny_stream));
523 modest_stream_text_to_html_set_linkify_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
525 modest_stream_text_to_html_set_full_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
527 modest_stream_text_to_html_set_line_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
530 tny_mime_part_decode_to_stream_async (TNY_MIME_PART (part),
531 text_to_html_stream, decode_to_stream_cb,
534 g_object_unref (G_OBJECT(text_to_html_stream));
535 g_object_unref (G_OBJECT(tny_stream));
539 set_empty_part (ModestGtkhtmlMimePartView *self)
541 g_return_if_fail (self);
543 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
544 gtk_html_load_from_string (GTK_HTML(self), "", 1);
548 set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
550 ModestGtkhtmlMimePartViewPrivate *priv;
551 gchar *header_content_type, *header_content_type_lower;
553 gchar *charset = NULL;
555 g_return_if_fail (self);
557 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(self);
558 priv->has_external_images = FALSE;
560 if (part != priv->part) {
562 g_object_unref (G_OBJECT(priv->part));
564 g_object_ref (G_OBJECT(part));
569 set_empty_part (self);
573 header_content_type = modest_tny_mime_part_get_header_value (part, "Content-Type");
574 if (header_content_type) {
575 header_content_type = g_strstrip (header_content_type);
576 header_content_type_lower = g_ascii_strdown (header_content_type, -1);
578 header_content_type_lower = NULL;
581 if (header_content_type_lower) {
582 tmp = strstr (header_content_type_lower, "charset=");
585 tmp = tmp + strlen ("charset=");
587 tmp2 = strstr (tmp, ";");
589 charset = g_strndup (tmp, tmp2-tmp);
591 charset = g_strdup (tmp);
596 if (tny_mime_part_content_type_is (part, "text/html")) {
597 set_html_part (self, part, charset);
599 if (tny_mime_part_content_type_is (part, "message/rfc822")) {
600 if (header_content_type) {
601 if (g_str_has_prefix (header_content_type_lower, "text/html"))
602 set_html_part (self, part, charset);
604 set_text_part (self, part);
607 set_text_part (self, part);
610 set_text_part (self, part);
613 g_free (header_content_type_lower);
614 g_free (header_content_type);
619 get_part (ModestGtkhtmlMimePartView *self)
623 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), NULL);
625 part = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(self)->part;
634 has_contents_receiver (gpointer engine, const gchar *data,
635 size_t len, gboolean *has_contents)
637 if (len > 1 || ((len == 1)&&(data[0]!='\n'))) {
638 *has_contents = TRUE;
645 is_empty (ModestGtkhtmlMimePartView *self)
647 /* TODO: Find some gtkhtml API to check whether there is any (visible, non markup)
648 * text in the message:
650 gboolean has_contents = FALSE;
652 gtk_html_export (GTK_HTML (self), "text/plain",
653 (GtkHTMLSaveReceiverFn) has_contents_receiver, &has_contents);
655 return !has_contents;
659 get_view_images (ModestGtkhtmlMimePartView *self)
661 ModestGtkhtmlMimePartViewPrivate *priv;
663 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
665 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
666 return priv->view_images;
670 set_view_images (ModestGtkhtmlMimePartView *self, gboolean view_images)
672 ModestGtkhtmlMimePartViewPrivate *priv;
674 g_return_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self));
676 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
677 priv->view_images = view_images;
681 has_external_images (ModestGtkhtmlMimePartView *self)
683 ModestGtkhtmlMimePartViewPrivate *priv;
685 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
687 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
688 return priv->has_external_images;
692 set_zoom (ModestGtkhtmlMimePartView *self, gdouble zoom)
694 ModestGtkhtmlMimePartViewPrivate *priv;
696 g_return_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self));
698 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
699 priv->current_zoom = zoom;
700 gtk_html_set_magnification (GTK_HTML(self), zoom);
702 gtk_widget_queue_resize (GTK_WIDGET (self));
706 get_zoom (ModestGtkhtmlMimePartView *self)
708 ModestGtkhtmlMimePartViewPrivate *priv;
710 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), 1.0);
712 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
714 return priv->current_zoom;
718 search (ModestGtkhtmlMimePartView *self,
721 return gtk_html_engine_search (GTK_HTML (self),
723 FALSE, /* case sensitive */
729 search_next (ModestGtkhtmlMimePartView *self)
731 return gtk_html_engine_search_next (GTK_HTML (self));
735 get_selection_area (ModestGtkhtmlMimePartView *self,
737 gint *width, gint *height)
739 #ifdef HAVE_GTK_HTML_GET_SELECTION_AREA
740 gtk_html_get_selection_area (GTK_HTML (self), x, y, width, height);
748 /* TNY MIME PART IMPLEMENTATION */
751 tny_mime_part_view_init (gpointer g, gpointer iface_data)
753 TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
755 klass->get_part = modest_gtkhtml_mime_part_view_get_part;
756 klass->set_part = modest_gtkhtml_mime_part_view_set_part;
757 klass->clear = modest_gtkhtml_mime_part_view_clear;
763 modest_gtkhtml_mime_part_view_get_part (TnyMimePartView *self)
765 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_part_func (self);
770 modest_gtkhtml_mime_part_view_get_part_default (TnyMimePartView *self)
772 return TNY_MIME_PART (get_part (MODEST_GTKHTML_MIME_PART_VIEW (self)));
776 modest_gtkhtml_mime_part_view_set_part (TnyMimePartView *self,
779 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_part_func (self, part);
783 modest_gtkhtml_mime_part_view_set_part_default (TnyMimePartView *self,
786 g_return_if_fail ((part == NULL) || TNY_IS_MIME_PART (part));
788 set_part (MODEST_GTKHTML_MIME_PART_VIEW (self), part);
792 modest_gtkhtml_mime_part_view_clear (TnyMimePartView *self)
794 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->clear_func (self);
798 modest_gtkhtml_mime_part_view_clear_default (TnyMimePartView *self)
800 set_part (MODEST_GTKHTML_MIME_PART_VIEW (self), NULL);
803 /* MODEST MIME PART VIEW IMPLEMENTATION */
806 modest_mime_part_view_init (gpointer g, gpointer iface_data)
808 ModestMimePartViewIface *klass = (ModestMimePartViewIface *)g;
810 klass->is_empty_func = modest_gtkhtml_mime_part_view_is_empty;
811 klass->get_view_images_func = modest_gtkhtml_mime_part_view_get_view_images;
812 klass->set_view_images_func = modest_gtkhtml_mime_part_view_set_view_images;
813 klass->has_external_images_func = modest_gtkhtml_mime_part_view_has_external_images;
819 modest_gtkhtml_mime_part_view_is_empty (ModestMimePartView *self)
821 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->is_empty_func (self);
825 modest_gtkhtml_mime_part_view_get_view_images (ModestMimePartView *self)
827 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_view_images_func (self);
831 modest_gtkhtml_mime_part_view_set_view_images (ModestMimePartView *self, gboolean view_images)
833 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_view_images_func (self, view_images);
837 modest_gtkhtml_mime_part_view_has_external_images (ModestMimePartView *self)
839 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->has_external_images_func (self);
843 modest_gtkhtml_mime_part_view_is_empty_default (ModestMimePartView *self)
845 return is_empty (MODEST_GTKHTML_MIME_PART_VIEW (self));
849 modest_gtkhtml_mime_part_view_get_view_images_default (ModestMimePartView *self)
851 return get_view_images (MODEST_GTKHTML_MIME_PART_VIEW (self));
855 modest_gtkhtml_mime_part_view_set_view_images_default (ModestMimePartView *self, gboolean view_images)
857 set_view_images (MODEST_GTKHTML_MIME_PART_VIEW (self), view_images);
861 modest_gtkhtml_mime_part_view_has_external_images_default (ModestMimePartView *self)
863 return has_external_images (MODEST_GTKHTML_MIME_PART_VIEW (self));
867 /* MODEST ZOOMABLE IMPLEMENTATION */
869 modest_zoomable_init (gpointer g, gpointer iface_data)
871 ModestZoomableIface *klass = (ModestZoomableIface *)g;
873 klass->get_zoom_func = modest_gtkhtml_mime_part_view_get_zoom;
874 klass->set_zoom_func = modest_gtkhtml_mime_part_view_set_zoom;
875 klass->zoom_minus_func = modest_gtkhtml_mime_part_view_zoom_minus;
876 klass->zoom_plus_func = modest_gtkhtml_mime_part_view_zoom_plus;
882 modest_gtkhtml_mime_part_view_get_zoom (ModestZoomable *self)
884 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_zoom_func (self);
888 modest_gtkhtml_mime_part_view_get_zoom_default (ModestZoomable *self)
890 return get_zoom (MODEST_GTKHTML_MIME_PART_VIEW (self));
894 modest_gtkhtml_mime_part_view_set_zoom (ModestZoomable *self, gdouble value)
896 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_zoom_func (self, value);
900 modest_gtkhtml_mime_part_view_set_zoom_default (ModestZoomable *self, gdouble value)
902 set_zoom (MODEST_GTKHTML_MIME_PART_VIEW (self), value);
906 modest_gtkhtml_mime_part_view_zoom_minus (ModestZoomable *self)
908 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->zoom_minus_func (self);
912 modest_gtkhtml_mime_part_view_zoom_minus_default (ModestZoomable *self)
914 /* operation not supported in ModestGtkhtmlMimePartView */
919 modest_gtkhtml_mime_part_view_zoom_plus (ModestZoomable *self)
921 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->zoom_plus_func (self);
925 modest_gtkhtml_mime_part_view_zoom_plus_default (ModestZoomable *self)
927 /* operation not supported in ModestGtkhtmlMimePartView */
931 /* ISEARCH VIEW IMPLEMENTATION */
933 modest_isearch_view_init (gpointer g, gpointer iface_data)
935 ModestISearchViewIface *klass = (ModestISearchViewIface *)g;
937 klass->search_func = modest_gtkhtml_mime_part_view_search;
938 klass->search_next_func = modest_gtkhtml_mime_part_view_search_next;
939 klass->get_selection_area_func = modest_gtkhtml_mime_part_view_get_selection_area;
945 modest_gtkhtml_mime_part_view_search (ModestISearchView *self, const gchar *string)
947 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->search_func (self, string);
951 modest_gtkhtml_mime_part_view_search_default (ModestISearchView *self, const gchar *string)
953 return search (MODEST_GTKHTML_MIME_PART_VIEW (self), string);
957 modest_gtkhtml_mime_part_view_search_next(ModestISearchView *self)
959 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->search_next_func (self);
963 modest_gtkhtml_mime_part_view_search_next_default (ModestISearchView *self)
965 return search_next (MODEST_GTKHTML_MIME_PART_VIEW (self));
969 modest_gtkhtml_mime_part_view_get_selection_area (ModestISearchView *self, gint *x, gint *y,
970 gint *width, gint *height)
972 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_selection_area_func (self, x, y, width, height);
976 modest_gtkhtml_mime_part_view_get_selection_area_default (ModestISearchView *self, gint *x, gint *y,
977 gint *width, gint *height)
979 return get_selection_area (MODEST_GTKHTML_MIME_PART_VIEW (self), x, y, width, height);