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);
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 gdk_color_parse ("#fff", &base);
283 gdk_color_parse ("#000", &text);
284 gtk_widget_modify_base (GTK_WIDGET (self), GTK_STATE_NORMAL, &base);
285 gtk_widget_modify_text (GTK_WIDGET (self), GTK_STATE_NORMAL, &text);
287 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
288 G_OBJECT(self), "link_clicked",
289 G_CALLBACK(on_link_clicked), self);
290 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
291 G_OBJECT(self), "url_requested",
292 G_CALLBACK(on_url_requested), self);
293 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
294 G_OBJECT(self), "on_url",
295 G_CALLBACK(on_url), self);
296 priv->sighandlers = modest_signal_mgr_connect (priv->sighandlers,
297 G_OBJECT(self), "notify::style",
298 G_CALLBACK (on_notify_style), (gpointer) self);
301 priv->current_zoom = 1.0;
302 priv->view_images = FALSE;
303 priv->has_external_images = FALSE;
307 modest_gtkhtml_mime_part_view_finalize (GObject *obj)
309 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj);
311 modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
312 priv->sighandlers = NULL;
314 G_OBJECT_CLASS (parent_class)->finalize (obj);
318 modest_gtkhtml_mime_part_view_dispose (GObject *obj)
320 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (obj);
322 g_signal_emit (G_OBJECT (obj), signals[STOP_STREAMS_SIGNAL], 0);
325 g_object_unref (priv->part);
329 G_OBJECT_CLASS (parent_class)->dispose (obj);
332 /* GTKHTML SIGNALS HANDLERS */
335 on_notify_style (GObject *obj, GParamSpec *spec, gpointer userdata)
337 if (strcmp ("style", spec->name) == 0) {
338 g_idle_add_full (G_PRIORITY_DEFAULT, (GSourceFunc) update_style,
339 g_object_ref (obj), g_object_unref);
340 gtk_widget_queue_draw (GTK_WIDGET (obj));
345 same_color (GdkColor *a, GdkColor *b)
347 return ((a->red == b->red) &&
348 (a->green == b->green) &&
349 (a->blue == b->blue));
353 update_style (ModestGtkhtmlMimePartView *self)
357 GtkRcStyle *rc_style;
359 gdk_threads_enter ();
361 if (GTK_WIDGET_VISIBLE (self)) {
362 rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (self));
364 gdk_color_parse ("#fff", &base);
365 gdk_color_parse ("#000", &text);
367 if (!same_color (&(rc_style->base[GTK_STATE_NORMAL]), &base) &&
368 !same_color (&(rc_style->text[GTK_STATE_NORMAL]), &text)) {
370 rc_style->base[GTK_STATE_NORMAL] = base;
371 rc_style->text[GTK_STATE_NORMAL] = text;
372 gtk_widget_modify_style (GTK_WIDGET (self), rc_style);
376 gdk_threads_leave ();
384 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self)
387 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
389 g_signal_emit_by_name (G_OBJECT (self), "activate-link", uri, &result);
394 on_url (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMimePartView *self)
397 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
399 g_signal_emit_by_name (G_OBJECT (self), "link-hover", uri, &result);
406 GtkHTMLStream *stream;
410 on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
411 ModestGtkhtmlMimePartView *self)
414 TnyStream *tny_stream;
415 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
417 if (g_str_has_prefix (uri, "http:")) {
418 ModestGtkhtmlMimePartViewPrivate *priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
420 if (!priv->view_images)
421 priv->has_external_images = TRUE;
424 tny_stream = TNY_STREAM (modest_tny_stream_gtkhtml_new (stream, GTK_HTML (widget)));
425 g_signal_emit_by_name (MODEST_MIME_PART_VIEW (self), "fetch-url", uri, tny_stream, &result);
426 g_object_unref (tny_stream);
433 set_html_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
435 GtkHTMLStream *gtkhtml_stream;
436 TnyStream *tny_stream;
438 g_return_if_fail (self);
439 g_return_if_fail (part);
441 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
443 gtkhtml_stream = gtk_html_begin(GTK_HTML(self));
445 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self)));
446 tny_stream_reset (tny_stream);
448 tny_mime_part_decode_to_stream ((TnyMimePart*)part, tny_stream, NULL);
449 tny_stream_close (tny_stream);
450 g_object_unref (G_OBJECT(tny_stream));
454 set_text_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
456 TnyStream* text_to_html_stream, *tny_stream;
457 GtkHTMLStream *gtkhtml_stream;
459 g_return_if_fail (self);
460 g_return_if_fail (part);
462 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
464 gtkhtml_stream = gtk_html_begin(GTK_HTML(self));
465 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream, GTK_HTML (self)));
466 text_to_html_stream = TNY_STREAM (modest_stream_text_to_html_new (tny_stream));
467 modest_stream_text_to_html_set_linkify_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream), 64*1024);
468 modest_stream_text_to_html_set_full_limit (MODEST_STREAM_TEXT_TO_HTML (text_to_html_stream), 640*1024);
471 tny_mime_part_decode_to_stream ((TnyMimePart*)part, text_to_html_stream, NULL);
472 tny_stream_write (text_to_html_stream, "\n", 1);
473 tny_stream_reset (text_to_html_stream);
474 tny_stream_close (text_to_html_stream);
476 g_object_unref (G_OBJECT(text_to_html_stream));
477 g_object_unref (G_OBJECT(tny_stream));
478 /* gtk_html_stream_destroy (gtkhtml_stream); */
482 set_empty_part (ModestGtkhtmlMimePartView *self)
484 g_return_if_fail (self);
486 g_signal_emit (G_OBJECT (self), signals[STOP_STREAMS_SIGNAL], 0);
488 gtk_html_load_from_string (GTK_HTML(self),
493 set_part (ModestGtkhtmlMimePartView *self, TnyMimePart *part)
495 ModestGtkhtmlMimePartViewPrivate *priv;
497 g_return_if_fail (self);
499 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(self);
500 priv->has_external_images = FALSE;
502 if (part != priv->part) {
504 g_object_unref (G_OBJECT(priv->part));
506 g_object_ref (G_OBJECT(part));
511 set_empty_part (self);
515 if (tny_mime_part_content_type_is (part, "text/html")) {
516 set_html_part (self, part);
518 if (tny_mime_part_content_type_is (part, "message/rfc822")) {
519 gchar *header_content_type, *header_content_type_lower;
520 header_content_type = modest_tny_mime_part_get_header_value (part, "Content-Type");
521 if (header_content_type) {
522 header_content_type = g_strstrip (header_content_type);
523 header_content_type_lower = g_ascii_strdown (header_content_type, -1);
525 if (!g_ascii_strcasecmp (header_content_type_lower, "text/html"))
526 set_html_part (self, part);
528 set_text_part (self, part);
530 g_free (header_content_type_lower);
531 g_free (header_content_type);
533 set_text_part (self, part);
536 set_text_part (self, part);
543 get_part (ModestGtkhtmlMimePartView *self)
547 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), NULL);
549 part = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE(self)->part;
558 has_contents_receiver (gpointer engine, const gchar *data,
559 size_t len, gboolean *has_contents)
561 if (len > 1 || ((len == 1)&&(data[0]!='\n'))) {
562 *has_contents = TRUE;
569 is_empty (ModestGtkhtmlMimePartView *self)
571 /* TODO: Find some gtkhtml API to check whether there is any (visible, non markup)
572 * text in the message:
574 gboolean has_contents = FALSE;
576 gtk_html_export (GTK_HTML (self), "text/plain",
577 (GtkHTMLSaveReceiverFn) has_contents_receiver, &has_contents);
579 return !has_contents;
583 get_view_images (ModestGtkhtmlMimePartView *self)
585 ModestGtkhtmlMimePartViewPrivate *priv;
587 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
589 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
590 return priv->view_images;
594 set_view_images (ModestGtkhtmlMimePartView *self, gboolean view_images)
596 ModestGtkhtmlMimePartViewPrivate *priv;
598 g_return_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self));
600 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
601 priv->view_images = view_images;
605 has_external_images (ModestGtkhtmlMimePartView *self)
607 ModestGtkhtmlMimePartViewPrivate *priv;
609 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), FALSE);
611 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
612 return priv->has_external_images;
616 set_zoom (ModestGtkhtmlMimePartView *self, gdouble zoom)
618 ModestGtkhtmlMimePartViewPrivate *priv;
620 g_return_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self));
622 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
623 priv->current_zoom = zoom;
624 gtk_html_set_magnification (GTK_HTML(self), zoom);
626 gtk_widget_queue_resize (GTK_WIDGET (self));
630 get_zoom (ModestGtkhtmlMimePartView *self)
632 ModestGtkhtmlMimePartViewPrivate *priv;
634 g_return_val_if_fail (MODEST_IS_GTKHTML_MIME_PART_VIEW (self), 1.0);
636 priv = MODEST_GTKHTML_MIME_PART_VIEW_GET_PRIVATE (self);
638 return priv->current_zoom;
642 search (ModestGtkhtmlMimePartView *self,
645 return gtk_html_engine_search (GTK_HTML (self),
647 FALSE, /* case sensitive */
653 search_next (ModestGtkhtmlMimePartView *self)
655 return gtk_html_engine_search_next (GTK_HTML (self));
659 get_selection_area (ModestGtkhtmlMimePartView *self,
661 gint *width, gint *height)
663 #ifdef HAVE_GTK_HTML_GET_SELECTION_AREA
664 gtk_html_get_selection_area (GTK_HTML (self), x, y, width, height);
672 /* TNY MIME PART IMPLEMENTATION */
675 tny_mime_part_view_init (gpointer g, gpointer iface_data)
677 TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
679 klass->get_part = modest_gtkhtml_mime_part_view_get_part;
680 klass->set_part = modest_gtkhtml_mime_part_view_set_part;
681 klass->clear = modest_gtkhtml_mime_part_view_clear;
687 modest_gtkhtml_mime_part_view_get_part (TnyMimePartView *self)
689 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_part_func (self);
694 modest_gtkhtml_mime_part_view_get_part_default (TnyMimePartView *self)
696 return TNY_MIME_PART (get_part (MODEST_GTKHTML_MIME_PART_VIEW (self)));
700 modest_gtkhtml_mime_part_view_set_part (TnyMimePartView *self,
703 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_part_func (self, part);
707 modest_gtkhtml_mime_part_view_set_part_default (TnyMimePartView *self,
710 g_return_if_fail ((part == NULL) || TNY_IS_MIME_PART (part));
712 set_part (MODEST_GTKHTML_MIME_PART_VIEW (self), part);
716 modest_gtkhtml_mime_part_view_clear (TnyMimePartView *self)
718 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->clear_func (self);
722 modest_gtkhtml_mime_part_view_clear_default (TnyMimePartView *self)
724 set_part (MODEST_GTKHTML_MIME_PART_VIEW (self), NULL);
727 /* MODEST MIME PART VIEW IMPLEMENTATION */
730 modest_mime_part_view_init (gpointer g, gpointer iface_data)
732 ModestMimePartViewIface *klass = (ModestMimePartViewIface *)g;
734 klass->is_empty_func = modest_gtkhtml_mime_part_view_is_empty;
735 klass->get_view_images_func = modest_gtkhtml_mime_part_view_get_view_images;
736 klass->set_view_images_func = modest_gtkhtml_mime_part_view_set_view_images;
737 klass->has_external_images_func = modest_gtkhtml_mime_part_view_has_external_images;
743 modest_gtkhtml_mime_part_view_is_empty (ModestMimePartView *self)
745 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->is_empty_func (self);
749 modest_gtkhtml_mime_part_view_get_view_images (ModestMimePartView *self)
751 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_view_images_func (self);
755 modest_gtkhtml_mime_part_view_set_view_images (ModestMimePartView *self, gboolean view_images)
757 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_view_images_func (self, view_images);
761 modest_gtkhtml_mime_part_view_has_external_images (ModestMimePartView *self)
763 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->has_external_images_func (self);
767 modest_gtkhtml_mime_part_view_is_empty_default (ModestMimePartView *self)
769 return is_empty (MODEST_GTKHTML_MIME_PART_VIEW (self));
773 modest_gtkhtml_mime_part_view_get_view_images_default (ModestMimePartView *self)
775 return get_view_images (MODEST_GTKHTML_MIME_PART_VIEW (self));
779 modest_gtkhtml_mime_part_view_set_view_images_default (ModestMimePartView *self, gboolean view_images)
781 set_view_images (MODEST_GTKHTML_MIME_PART_VIEW (self), view_images);
785 modest_gtkhtml_mime_part_view_has_external_images_default (ModestMimePartView *self)
787 return has_external_images (MODEST_GTKHTML_MIME_PART_VIEW (self));
791 /* MODEST ZOOMABLE IMPLEMENTATION */
793 modest_zoomable_init (gpointer g, gpointer iface_data)
795 ModestZoomableIface *klass = (ModestZoomableIface *)g;
797 klass->get_zoom_func = modest_gtkhtml_mime_part_view_get_zoom;
798 klass->set_zoom_func = modest_gtkhtml_mime_part_view_set_zoom;
799 klass->zoom_minus_func = modest_gtkhtml_mime_part_view_zoom_minus;
800 klass->zoom_plus_func = modest_gtkhtml_mime_part_view_zoom_plus;
806 modest_gtkhtml_mime_part_view_get_zoom (ModestZoomable *self)
808 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_zoom_func (self);
812 modest_gtkhtml_mime_part_view_get_zoom_default (ModestZoomable *self)
814 return get_zoom (MODEST_GTKHTML_MIME_PART_VIEW (self));
818 modest_gtkhtml_mime_part_view_set_zoom (ModestZoomable *self, gdouble value)
820 MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->set_zoom_func (self, value);
824 modest_gtkhtml_mime_part_view_set_zoom_default (ModestZoomable *self, gdouble value)
826 set_zoom (MODEST_GTKHTML_MIME_PART_VIEW (self), value);
830 modest_gtkhtml_mime_part_view_zoom_minus (ModestZoomable *self)
832 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->zoom_minus_func (self);
836 modest_gtkhtml_mime_part_view_zoom_minus_default (ModestZoomable *self)
838 /* operation not supported in ModestGtkhtmlMimePartView */
843 modest_gtkhtml_mime_part_view_zoom_plus (ModestZoomable *self)
845 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->zoom_plus_func (self);
849 modest_gtkhtml_mime_part_view_zoom_plus_default (ModestZoomable *self)
851 /* operation not supported in ModestGtkhtmlMimePartView */
855 /* ISEARCH VIEW IMPLEMENTATION */
857 modest_isearch_view_init (gpointer g, gpointer iface_data)
859 ModestISearchViewIface *klass = (ModestISearchViewIface *)g;
861 klass->search_func = modest_gtkhtml_mime_part_view_search;
862 klass->search_next_func = modest_gtkhtml_mime_part_view_search_next;
863 klass->get_selection_area_func = modest_gtkhtml_mime_part_view_get_selection_area;
869 modest_gtkhtml_mime_part_view_search (ModestISearchView *self, const gchar *string)
871 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->search_func (self, string);
875 modest_gtkhtml_mime_part_view_search_default (ModestISearchView *self, const gchar *string)
877 return search (MODEST_GTKHTML_MIME_PART_VIEW (self), string);
881 modest_gtkhtml_mime_part_view_search_next(ModestISearchView *self)
883 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->search_next_func (self);
887 modest_gtkhtml_mime_part_view_search_next_default (ModestISearchView *self)
889 return search_next (MODEST_GTKHTML_MIME_PART_VIEW (self));
893 modest_gtkhtml_mime_part_view_get_selection_area (ModestISearchView *self, gint *x, gint *y,
894 gint *width, gint *height)
896 return MODEST_GTKHTML_MIME_PART_VIEW_GET_CLASS (self)->get_selection_area_func (self, x, y, width, height);
900 modest_gtkhtml_mime_part_view_get_selection_area_default (ModestISearchView *self, gint *x, gint *y,
901 gint *width, gint *height)
903 return get_selection_area (MODEST_GTKHTML_MIME_PART_VIEW (self), x, y, width, height);