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))
139 static GtkHTMLClass *parent_class = NULL;
141 static guint signals[LAST_SIGNAL] = {0};
144 modest_gtkhtml_mime_part_view_new ()
146 return g_object_new (MODEST_TYPE_GTKHTML_MIME_PART_VIEW, NULL);
149 /* GOBJECT IMPLEMENTATION */
151 modest_gtkhtml_mime_part_view_get_type (void)
153 static GType my_type = 0;
155 static const GTypeInfo my_info = {
156 sizeof(ModestGtkhtmlMimePartViewClass),
157 NULL, /* base init */
158 NULL, /* base finalize */
159 (GClassInitFunc) modest_gtkhtml_mime_part_view_class_init,
160 NULL, /* class finalize */
161 NULL, /* class data */
162 sizeof(ModestGtkhtmlMimePartView),
164 (GInstanceInitFunc) modest_gtkhtml_mime_part_view_init,
168 static const GInterfaceInfo tny_mime_part_view_info =
170 (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
171 NULL, /* interface_finalize */
172 NULL /* interface_data */
175 static const GInterfaceInfo modest_mime_part_view_info =
177 (GInterfaceInitFunc) modest_mime_part_view_init, /* interface_init */
178 NULL, /* interface_finalize */
179 NULL /* interface_data */
182 static const GInterfaceInfo modest_zoomable_info =
184 (GInterfaceInitFunc) modest_zoomable_init, /* interface_init */
185 NULL, /* interface_finalize */
186 NULL /* interface_data */
189 static const GInterfaceInfo modest_isearch_view_info =
191 (GInterfaceInitFunc) modest_isearch_view_init, /* interface_init */
192 NULL, /* interface_finalize */
193 NULL /* interface_data */
196 my_type = g_type_register_static (GTK_TYPE_HTML,
197 "ModestGtkhtmlMimePartView",
200 g_type_add_interface_static (my_type, TNY_TYPE_MIME_PART_VIEW,
201 &tny_mime_part_view_info);
203 g_type_add_interface_static (my_type, MODEST_TYPE_MIME_PART_VIEW,
204 &modest_mime_part_view_info);
206 g_type_add_interface_static (my_type, MODEST_TYPE_ZOOMABLE,
207 &modest_zoomable_info);
208 g_type_add_interface_static (my_type, MODEST_TYPE_ISEARCH_VIEW,
209 &modest_isearch_view_info);
215 modest_gtkhtml_mime_part_view_class_init (ModestGtkhtmlMimePartViewClass *klass)
217 GObjectClass *gobject_class;
218 GtkBindingSet *binding_set;
220 gobject_class = (GObjectClass*) klass;
222 parent_class = g_type_class_peek_parent (klass);
223 gobject_class->dispose = modest_gtkhtml_mime_part_view_dispose;
224 gobject_class->finalize = modest_gtkhtml_mime_part_view_finalize;
226 klass->get_part_func = modest_gtkhtml_mime_part_view_get_part_default;
227 klass->set_part_func = modest_gtkhtml_mime_part_view_set_part_default;
228 klass->clear_func = modest_gtkhtml_mime_part_view_clear_default;
229 klass->is_empty_func = modest_gtkhtml_mime_part_view_is_empty_default;
230 klass->get_view_images_func = modest_gtkhtml_mime_part_view_get_view_images_default;
231 klass->set_view_images_func = modest_gtkhtml_mime_part_view_set_view_images_default;
232 klass->has_external_images_func = modest_gtkhtml_mime_part_view_has_external_images_default;
233 klass->get_zoom_func = modest_gtkhtml_mime_part_view_get_zoom_default;
234 klass->set_zoom_func = modest_gtkhtml_mime_part_view_set_zoom_default;
235 klass->zoom_minus_func = modest_gtkhtml_mime_part_view_zoom_minus_default;
236 klass->zoom_plus_func = modest_gtkhtml_mime_part_view_zoom_plus_default;
237 klass->search_func = modest_gtkhtml_mime_part_view_search_default;
238 klass->search_next_func = modest_gtkhtml_mime_part_view_search_next_default;
239 klass->get_selection_area_func = modest_gtkhtml_mime_part_view_get_selection_area_default;
241 binding_set = gtk_binding_set_by_class (klass);
242 gtk_binding_entry_skip (binding_set, GDK_Down, 0);
243 gtk_binding_entry_skip (binding_set, GDK_Up, 0);
244 gtk_binding_entry_skip (binding_set, GDK_KP_Up, 0);
245 gtk_binding_entry_skip (binding_set, GDK_KP_Down, 0);
246 gtk_binding_entry_skip (binding_set, GDK_Page_Down, 0);
247 gtk_binding_entry_skip (binding_set, GDK_Page_Up, 0);
248 gtk_binding_entry_skip (binding_set, GDK_KP_Page_Up, 0);
249 gtk_binding_entry_skip (binding_set, GDK_KP_Page_Down, 0);
250 gtk_binding_entry_skip (binding_set, GDK_Home, 0);
251 gtk_binding_entry_skip (binding_set, GDK_End, 0);
252 gtk_binding_entry_skip (binding_set, GDK_KP_Home, 0);
253 gtk_binding_entry_skip (binding_set, GDK_KP_End, 0);
255 g_type_class_add_private (gobject_class, sizeof(ModestGtkhtmlMimePartViewPrivate));
257 signals[STOP_STREAMS_SIGNAL] =
258 g_signal_new ("stop-streams",
259 G_TYPE_FROM_CLASS (gobject_class),
261 G_STRUCT_OFFSET (ModestGtkhtmlMimePartViewClass,stop_streams),
263 g_cclosure_marshal_VOID__VOID,
269 modest_gtkhtml_mime_part_view_init (ModestGtkhtmlMimePartView *self)
271 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
275 gtk_html_set_editable (GTK_HTML(self), FALSE);
276 gtk_html_allow_selection (GTK_HTML(self), TRUE);
277 gtk_html_set_caret_mode (GTK_HTML(self), FALSE);
278 gtk_html_set_blocking (GTK_HTML(self), TRUE);
279 gtk_html_set_images_blocking (GTK_HTML(self), TRUE);
280 gtk_container_set_border_width (GTK_CONTAINER (self), MODEST_MARGIN_DEFAULT);
282 #ifdef MODEST_TOOLKIT_HILDON2
283 #ifdef HAVE_GTK_HTML_SET_MAX_IMAGE_SIZE
284 /* We set a maximum width of a bit less than the width of the screen, and a
285 maximum height of 2 times the full size of the window. Should be enough */
286 gtk_html_set_max_image_size (GTK_HTML (self), 720, 880);
288 #ifdef HAVE_GTK_HTML_SET_ALLOW_DND
289 gtk_html_set_allow_dnd (GTK_HTML(self), FALSE);
293 #ifdef HAVE_GTK_HTML_SET_DEFAULT_ENGINE
294 /* Enable Content type handling */
295 gtk_html_set_default_engine (GTK_HTML (self), TRUE);
298 gdk_color_parse ("#fff", &base);
299 gdk_color_parse ("#000", &text);
300 gtk_widget_modify_base (GTK_WIDGET (self), GTK_STATE_NORMAL, &base);
301 gtk_widget_modify_text (GTK_WIDGET (self), GTK_STATE_NORMAL, &text);
303 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
304 G_OBJECT(self), "link_clicked",
305 G_CALLBACK(on_link_clicked), self);
306 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
307 G_OBJECT(self), "url_requested",
308 G_CALLBACK(on_url_requested), self);
309 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
310 G_OBJECT(self), "on_url",
311 G_CALLBACK(on_url), self);
312 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
313 G_OBJECT(self), "notify::style",
314 G_CALLBACK (on_notify_style), (gpointer) self);
317 priv->current_zoom = 1.0;
318 priv->view_images = FALSE;
319 priv->has_external_images = FALSE;
323 modest_gtkhtml_mime_part_view_finalize (GObject *obj)
325 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj);
327 modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
328 priv->sighandlers = NULL;
330 G_OBJECT_CLASS (parent_class)->finalize (obj);
334 modest_gtkhtml_mime_part_view_dispose (GObject *obj)
336 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj);
338 g_signal_emit (G_OBJECT (obj), signals[STOP_STREAMS_SIGNAL], 0);
341 g_object_unref (priv->part);
345 G_OBJECT_CLASS (parent_class)->dispose (obj);
348 /* GTKHTML SIGNALS HANDLERS */
351 on_notify_style (GObject *obj, GParamSpec *spec, gpointer userdata)
353 if (strcmp ("style", spec->name) == 0) {
354 g_idle_add_full (G_PRIORITY_DEFAULT, (GSourceFunc) update_style,
355 g_object_ref (obj), g_object_unref);
356 gtk_widget_queue_draw (GTK_WIDGET (obj));
361 same_color (GdkColor *a, GdkColor *b)
363 return ((a->red == b->red) &&
364 (a->green == b->green) &&
365 (a->blue == b->blue));
369 update_style (ModestGtkhtmlMimePartView *self)
373 GtkRcStyle *rc_style;
375 gdk_threads_enter ();
377 if (GTK_WIDGET_VISIBLE (self)) {
378 rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (self));
380 gdk_color_parse ("#fff", &base);
381 gdk_color_parse ("#000", &text);
383 if (!same_color (&(rc_style->base[GTK_STATE_NORMAL]), &base) &&
384 !same_color (&(rc_style->text[GTK_STATE_NORMAL]), &text)) {
386 rc_style->base[GTK_STATE_NORMAL] = base;
387 rc_style->text[GTK_STATE_NORMAL] = text;
388 gtk_widget_modify_style (GTK_WIDGET (self), rc_style);
392 gdk_threads_leave ();
400 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self)
403 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
405 g_signal_emit_by_name (G_OBJECT (self), "activate-link", uri, &result);
410 on_url (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self)
413 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
415 g_signal_emit_by_name (G_OBJECT (self), "link-hover", uri, &result);
420 on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
421 ModestGtkhtmlMimePartView *self)
424 TnyStream *tny_stream;
425 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
427 if (g_str_has_prefix (uri, "http:")) {
428 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
430 if (!priv->view_images)
431 priv->has_external_images = TRUE;
434 tny_stream = TNY_STREAM (modest_tny_stream_gtkhtml_new (stream, GTK_HTML (widget)));
435 g_signal_emit_by_name (MODEST_MIME_PART_VIEW (self), "fetch-url", uri, tny_stream, &result);
436 g_object_unref (tny_stream);
442 decode_to_stream_cb (TnyMimePart *self,
448 gboolean is_text = GPOINTER_TO_INT (user_data);
451 if (tny_stream_write (stream, "\n", 1) == -1) {
452 g_warning ("failed to write CR in %s", __FUNCTION__);
454 tny_stream_reset (stream);
456 tny_stream_close (stream);
460 set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part, const gchar *encoding)
462 GtkHTMLStream *gtkhtml_stream;
463 TnyStream *tny_stream;
465 g_return_if_fail (self);
466 g_return_if_fail (part);
468 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
470 gtkhtml_stream = gtk_html_begin_full(GTK_HTML(self), NULL, (char *) encoding, 0);
472 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self)));
473 modest_tny_stream_gtkhtml_set_max_size (MODEST_TNY_STREAM_GTKHTML (tny_stream), 128*1024);
474 tny_stream_reset (tny_stream);
476 tny_mime_part_decode_to_stream_async (TNY_MIME_PART (part),
477 tny_stream, decode_to_stream_cb,
478 NULL, GINT_TO_POINTER (FALSE));
479 g_object_unref (tny_stream);
483 set_text_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
485 TnyStream* text_to_html_stream, *tny_stream;
486 GtkHTMLStream *gtkhtml_stream;
488 g_return_if_fail (self);
489 g_return_if_fail (part);
491 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
493 gtkhtml_stream = gtk_html_begin(GTK_HTML(self));
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 text_to_html_stream = TNY_STREAM (modest_stream_text_to_html_new (tny_stream));
497 modest_stream_text_to_html_set_linkify_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
499 modest_stream_text_to_html_set_full_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
501 modest_stream_text_to_html_set_line_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream),
504 tny_mime_part_decode_to_stream_async (TNY_MIME_PART (part),
505 text_to_html_stream, decode_to_stream_cb,
506 NULL, GINT_TO_POINTER (TRUE));
508 g_object_unref (G_OBJECT(text_to_html_stream));
509 g_object_unref (G_OBJECT(tny_stream));
513 set_empty_part (ModestGtkhtmlMimePartView *self)
515 g_return_if_fail (self);
517 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
518 gtk_html_load_from_string (GTK_HTML(self), "", 1);
522 set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
524 ModestGtkhtmlMimePartViewPrivate *priv;
525 gchar *header_content_type, *header_content_type_lower;
527 gchar *charset = NULL;
529 g_return_if_fail (self);
531 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(self);
532 priv->has_external_images = FALSE;
534 if (part != priv->part) {
536 g_object_unref (G_OBJECT(priv->part));
538 g_object_ref (G_OBJECT(part));
543 set_empty_part (self);
547 header_content_type = modest_tny_mime_part_get_header_value (part, "Content-Type");
548 if (header_content_type) {
549 header_content_type = g_strstrip (header_content_type);
550 header_content_type_lower = g_ascii_strdown (header_content_type, -1);
552 header_content_type_lower = NULL;
555 if (header_content_type_lower) {
556 tmp = strstr (header_content_type_lower, "charset=");
559 tmp = tmp + strlen ("charset=");
561 tmp2 = strstr (tmp, ";");
563 charset = g_strndup (tmp, tmp2-tmp);
565 charset = g_strdup (tmp);
570 if (tny_mime_part_content_type_is (part, "text/html")) {
571 set_html_part (self, part, charset);
573 if (tny_mime_part_content_type_is (part, "message/rfc822")) {
574 if (header_content_type) {
575 if (g_str_has_prefix (header_content_type_lower, "text/html"))
576 set_html_part (self, part, charset);
578 set_text_part (self, part);
581 set_text_part (self, part);
584 set_text_part (self, part);
587 g_free (header_content_type_lower);
588 g_free (header_content_type);
593 get_part (ModestGtkhtmlMimePartView *self)
597 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), NULL);
599 part = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(self)->part;
608 has_contents_receiver (gpointer engine, const gchar *data,
609 size_t len, gboolean *has_contents)
611 if (len > 1 || ((len == 1)&&(data[0]!='\n'))) {
612 *has_contents = TRUE;
619 is_empty (ModestGtkhtmlMimePartView *self)
621 /* TODO: Find some gtkhtml API to check whether there is any (visible, non markup)
622 * text in the message:
624 gboolean has_contents = FALSE;
626 gtk_html_export (GTK_HTML (self), "text/plain",
627 (GtkHTMLSaveReceiverFn) has_contents_receiver, &has_contents);
629 return !has_contents;
633 get_view_images (ModestGtkhtmlMimePartView *self)
635 ModestGtkhtmlMimePartViewPrivate *priv;
637 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
639 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
640 return priv->view_images;
644 set_view_images (ModestGtkhtmlMimePartView *self, gboolean view_images)
646 ModestGtkhtmlMimePartViewPrivate *priv;
648 g_return_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self));
650 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
651 priv->view_images = view_images;
655 has_external_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->has_external_images;
666 set_zoom (ModestGtkhtmlMimePartView *self, gdouble zoom)
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->current_zoom = zoom;
674 gtk_html_set_magnification (GTK_HTML(self), zoom);
676 gtk_widget_queue_resize (GTK_WIDGET (self));
680 get_zoom (ModestGtkhtmlMimePartView *self)
682 ModestGtkhtmlMimePartViewPrivate *priv;
684 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), 1.0);
686 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
688 return priv->current_zoom;
692 search (ModestGtkhtmlMimePartView *self,
695 return gtk_html_engine_search (GTK_HTML (self),
697 FALSE, /* case sensitive */
703 search_next (ModestGtkhtmlMimePartView *self)
705 return gtk_html_engine_search_next (GTK_HTML (self));
709 get_selection_area (ModestGtkhtmlMimePartView *self,
711 gint *width, gint *height)
713 #ifdef HAVE_GTK_HTML_GET_SELECTION_AREA
714 gtk_html_get_selection_area (GTK_HTML (self), x, y, width, height);
722 /* TNY MIME PART IMPLEMENTATION */
725 tny_mime_part_view_init (gpointer g, gpointer iface_data)
727 TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
729 klass->get_part = modest_gtkhtml_mime_part_view_get_part;
730 klass->set_part = modest_gtkhtml_mime_part_view_set_part;
731 klass->clear = modest_gtkhtml_mime_part_view_clear;
737 modest_gtkhtml_mime_part_view_get_part (TnyMimePartView *self)
739 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_part_func (self);
744 modest_gtkhtml_mime_part_view_get_part_default (TnyMimePartView *self)
746 return TNY_MIME_PART (get_part (MODEST_GTKHTML_MIME_PART_VIEW (self)));
750 modest_gtkhtml_mime_part_view_set_part (TnyMimePartView *self,
753 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_part_func (self, part);
757 modest_gtkhtml_mime_part_view_set_part_default (TnyMimePartView *self,
760 g_return_if_fail ((part == NULL) || TNY_IS_MIME_PART (part));
762 set_part (MODEST_GTKHTML_MIME_PART_VIEW (self), part);
766 modest_gtkhtml_mime_part_view_clear (TnyMimePartView *self)
768 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->clear_func (self);
772 modest_gtkhtml_mime_part_view_clear_default (TnyMimePartView *self)
774 set_part (MODEST_GTKHTML_MIME_PART_VIEW (self), NULL);
777 /* MODEST MIME PART VIEW IMPLEMENTATION */
780 modest_mime_part_view_init (gpointer g, gpointer iface_data)
782 ModestMimePartViewIface *klass = (ModestMimePartViewIface *)g;
784 klass->is_empty_func = modest_gtkhtml_mime_part_view_is_empty;
785 klass->get_view_images_func = modest_gtkhtml_mime_part_view_get_view_images;
786 klass->set_view_images_func = modest_gtkhtml_mime_part_view_set_view_images;
787 klass->has_external_images_func = modest_gtkhtml_mime_part_view_has_external_images;
793 modest_gtkhtml_mime_part_view_is_empty (ModestMimePartView *self)
795 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->is_empty_func (self);
799 modest_gtkhtml_mime_part_view_get_view_images (ModestMimePartView *self)
801 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_view_images_func (self);
805 modest_gtkhtml_mime_part_view_set_view_images (ModestMimePartView *self, gboolean view_images)
807 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_view_images_func (self, view_images);
811 modest_gtkhtml_mime_part_view_has_external_images (ModestMimePartView *self)
813 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->has_external_images_func (self);
817 modest_gtkhtml_mime_part_view_is_empty_default (ModestMimePartView *self)
819 return is_empty (MODEST_GTKHTML_MIME_PART_VIEW (self));
823 modest_gtkhtml_mime_part_view_get_view_images_default (ModestMimePartView *self)
825 return get_view_images (MODEST_GTKHTML_MIME_PART_VIEW (self));
829 modest_gtkhtml_mime_part_view_set_view_images_default (ModestMimePartView *self, gboolean view_images)
831 set_view_images (MODEST_GTKHTML_MIME_PART_VIEW (self), view_images);
835 modest_gtkhtml_mime_part_view_has_external_images_default (ModestMimePartView *self)
837 return has_external_images (MODEST_GTKHTML_MIME_PART_VIEW (self));
841 /* MODEST ZOOMABLE IMPLEMENTATION */
843 modest_zoomable_init (gpointer g, gpointer iface_data)
845 ModestZoomableIface *klass = (ModestZoomableIface *)g;
847 klass->get_zoom_func = modest_gtkhtml_mime_part_view_get_zoom;
848 klass->set_zoom_func = modest_gtkhtml_mime_part_view_set_zoom;
849 klass->zoom_minus_func = modest_gtkhtml_mime_part_view_zoom_minus;
850 klass->zoom_plus_func = modest_gtkhtml_mime_part_view_zoom_plus;
856 modest_gtkhtml_mime_part_view_get_zoom (ModestZoomable *self)
858 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_zoom_func (self);
862 modest_gtkhtml_mime_part_view_get_zoom_default (ModestZoomable *self)
864 return get_zoom (MODEST_GTKHTML_MIME_PART_VIEW (self));
868 modest_gtkhtml_mime_part_view_set_zoom (ModestZoomable *self, gdouble value)
870 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_zoom_func (self, value);
874 modest_gtkhtml_mime_part_view_set_zoom_default (ModestZoomable *self, gdouble value)
876 set_zoom (MODEST_GTKHTML_MIME_PART_VIEW (self), value);
880 modest_gtkhtml_mime_part_view_zoom_minus (ModestZoomable *self)
882 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->zoom_minus_func (self);
886 modest_gtkhtml_mime_part_view_zoom_minus_default (ModestZoomable *self)
888 /* operation not supported in ModestGtkhtmlMimePartView */
893 modest_gtkhtml_mime_part_view_zoom_plus (ModestZoomable *self)
895 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->zoom_plus_func (self);
899 modest_gtkhtml_mime_part_view_zoom_plus_default (ModestZoomable *self)
901 /* operation not supported in ModestGtkhtmlMimePartView */
905 /* ISEARCH VIEW IMPLEMENTATION */
907 modest_isearch_view_init (gpointer g, gpointer iface_data)
909 ModestISearchViewIface *klass = (ModestISearchViewIface *)g;
911 klass->search_func = modest_gtkhtml_mime_part_view_search;
912 klass->search_next_func = modest_gtkhtml_mime_part_view_search_next;
913 klass->get_selection_area_func = modest_gtkhtml_mime_part_view_get_selection_area;
919 modest_gtkhtml_mime_part_view_search (ModestISearchView *self, const gchar *string)
921 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->search_func (self, string);
925 modest_gtkhtml_mime_part_view_search_default (ModestISearchView *self, const gchar *string)
927 return search (MODEST_GTKHTML_MIME_PART_VIEW (self), string);
931 modest_gtkhtml_mime_part_view_search_next(ModestISearchView *self)
933 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->search_next_func (self);
937 modest_gtkhtml_mime_part_view_search_next_default (ModestISearchView *self)
939 return search_next (MODEST_GTKHTML_MIME_PART_VIEW (self));
943 modest_gtkhtml_mime_part_view_get_selection_area (ModestISearchView *self, gint *x, gint *y,
944 gint *width, gint *height)
946 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_selection_area_func (self, x, y, width, height);
950 modest_gtkhtml_mime_part_view_get_selection_area_default (ModestISearchView *self, gint *x, gint *y,
951 gint *width, gint *height)
953 return get_selection_area (MODEST_GTKHTML_MIME_PART_VIEW (self), x, y, width, height);