1 /* Copyright (c) 2006, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of the Nokia Corporation nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <tny-gtk-text-buffer-stream.h>
35 #include <glib/gi18n.h>
36 #include <gtkhtml/gtkhtml.h>
37 #include <gtkhtml/gtkhtml-stream.h>
39 #include <tny-simple-list.h>
41 #include <modest-tny-msg.h>
42 #include <modest-text-utils.h>
43 #include "modest-msg-view.h"
44 #include "modest-tny-stream-gtkhtml.h"
45 #include <modest-mail-header-view.h>
46 #include <modest-attachments-view.h>
47 #include <modest-marshal.h>
50 /* 'private'/'protected' functions */
51 static void modest_msg_view_class_init (ModestMsgViewClass *klass);
52 static void modest_msg_view_init (ModestMsgView *obj);
53 static void modest_msg_view_finalize (GObject *obj);
54 static void modest_msg_view_destroy (GtkObject *obj);
55 static void set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
56 static void get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
59 static void on_recpt_activated (ModestMailHeaderView *header_view, const gchar *address, ModestMsgView *msg_view);
60 static void on_attachment_activated (ModestAttachmentsView * att_view, gint index, gpointer);
63 static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
64 static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
65 ModestMsgView *msg_view);
66 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
68 /* size allocation and drawing handlers */
69 static void get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation);
70 static void size_request (GtkWidget *widget, GtkRequisition *req);
71 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc);
72 static void realize (GtkWidget *widget);
73 static void unrealize (GtkWidget *widget);
74 static gint expose (GtkWidget *widget, GdkEventExpose *event);
75 static void reclamp_adjustment (GtkAdjustment *adj, gboolean *value_changed);
76 static void set_hadjustment_values (ModestMsgView *msg_view, gboolean *value_changed);
77 static void set_scroll_adjustments (ModestMsgView *msg_view, GtkAdjustment *hadj, GtkAdjustment *vadj);
78 static void adjustment_value_changed (GtkAdjustment *adj, gpointer data);
79 static void html_adjustment_changed (GtkAdjustment *adj, gpointer data);
80 static void disconnect_vadjustment (ModestMsgView *obj);
81 static void disconnect_hadjustment (ModestMsgView *obj);
83 /* GtkContainer methods */
84 static void forall (GtkContainer *container, gboolean include_internals,
85 GtkCallback callback, gpointer userdata);
86 static void container_remove (GtkContainer *container, GtkWidget *widget);
92 ATTACHMENT_CLICKED_SIGNAL,
93 RECPT_ACTIVATED_SIGNAL,
105 typedef struct _ModestMsgViewPrivate ModestMsgViewPrivate;
106 struct _ModestMsgViewPrivate {
108 GtkWidget *mail_header_view;
109 GtkWidget *attachments_view;
113 /* embedded elements */
114 GtkWidget *headers_box;
115 GtkWidget *html_scroll;
117 /* internal adjustments for set_scroll_adjustments */
120 GtkShadowType shadow_type;
122 /* gdk windows for drawing */
123 GdkWindow *view_window;
124 GdkWindow *headers_window;
125 GdkWindow *html_window;
127 gulong sig1, sig2, sig3;
129 #define MODEST_MSG_VIEW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
130 MODEST_TYPE_MSG_VIEW, \
131 ModestMsgViewPrivate))
133 static GtkContainerClass *parent_class = NULL;
135 /* uncomment the following if you have defined any signals */
136 static guint signals[LAST_SIGNAL] = {0};
139 modest_msg_view_get_type (void)
141 static GType my_type = 0;
143 static const GTypeInfo my_info = {
144 sizeof(ModestMsgViewClass),
145 NULL, /* base init */
146 NULL, /* base finalize */
147 (GClassInitFunc) modest_msg_view_class_init,
148 NULL, /* class finalize */
149 NULL, /* class data */
150 sizeof(ModestMsgView),
152 (GInstanceInitFunc) modest_msg_view_init,
155 my_type = g_type_register_static (GTK_TYPE_CONTAINER,
163 modest_msg_view_class_init (ModestMsgViewClass *klass)
165 GObjectClass *gobject_class;
166 GtkWidgetClass *widget_class;
167 GtkObjectClass *gtkobject_class;
168 GtkContainerClass *container_class;
169 gobject_class = (GObjectClass*) klass;
170 widget_class = (GtkWidgetClass *) klass;
171 gtkobject_class = (GtkObjectClass *) klass;
172 container_class = (GtkContainerClass *) klass;
174 parent_class = g_type_class_peek_parent (klass);
175 gobject_class->finalize = modest_msg_view_finalize;
176 gobject_class->set_property = set_property;
177 gobject_class->get_property = get_property;
178 gtkobject_class->destroy = modest_msg_view_destroy;
180 widget_class->realize = realize;
181 widget_class->unrealize = unrealize;
182 widget_class->expose_event = expose;
183 widget_class->size_request = size_request;
184 widget_class->size_allocate = size_allocate;
186 container_class->forall = forall;
187 container_class->remove = container_remove;
189 klass->set_scroll_adjustments = set_scroll_adjustments;
191 g_type_class_add_private (gobject_class, sizeof(ModestMsgViewPrivate));
193 g_object_class_install_property (gobject_class,
195 g_param_spec_object ("hadjustment",
196 _("Horizontal adjustment"),
197 _("GtkAdjustment with information of the horizontal visible position"),
199 G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
201 g_object_class_install_property (gobject_class,
203 g_param_spec_object ("vadjustment",
204 _("Vertical adjustment"),
205 _("GtkAdjustment with information of the vertical visible position"),
207 G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
209 g_object_class_install_property (gobject_class,
211 g_param_spec_enum ("shadow_type",
213 _("Kind of shadow that's shown around the view"),
214 GTK_TYPE_SHADOW_TYPE,
216 G_PARAM_READABLE | G_PARAM_WRITABLE ));
218 signals[LINK_CLICKED_SIGNAL] =
219 g_signal_new ("link_clicked",
220 G_TYPE_FROM_CLASS (gobject_class),
222 G_STRUCT_OFFSET(ModestMsgViewClass, link_clicked),
224 g_cclosure_marshal_VOID__STRING,
225 G_TYPE_NONE, 1, G_TYPE_STRING);
227 signals[ATTACHMENT_CLICKED_SIGNAL] =
228 g_signal_new ("attachment_clicked",
229 G_TYPE_FROM_CLASS (gobject_class),
231 G_STRUCT_OFFSET(ModestMsgViewClass, attachment_clicked),
233 g_cclosure_marshal_VOID__POINTER,
234 G_TYPE_NONE, 1, G_TYPE_INT);
236 signals[LINK_HOVER_SIGNAL] =
237 g_signal_new ("link_hover",
238 G_TYPE_FROM_CLASS (gobject_class),
240 G_STRUCT_OFFSET(ModestMsgViewClass, link_hover),
242 g_cclosure_marshal_VOID__STRING,
243 G_TYPE_NONE, 1, G_TYPE_STRING);
245 signals[RECPT_ACTIVATED_SIGNAL] =
246 g_signal_new ("recpt_activated",
247 G_TYPE_FROM_CLASS (gobject_class),
249 G_STRUCT_OFFSET(ModestMsgViewClass, recpt_activated),
251 g_cclosure_marshal_VOID__STRING,
252 G_TYPE_NONE, 1, G_TYPE_STRING);
254 widget_class->set_scroll_adjustments_signal =
255 g_signal_new ("set_scroll_adjustments",
256 G_OBJECT_CLASS_TYPE (gobject_class),
257 G_SIGNAL_RUN_LAST|G_SIGNAL_ACTION,
258 G_STRUCT_OFFSET (ModestMsgViewClass, set_scroll_adjustments),
260 modest_marshal_VOID__POINTER_POINTER,
263 GTK_TYPE_ADJUSTMENT);
267 set_property (GObject *object,
272 ModestMsgView *msg_view = MODEST_MSG_VIEW (object);
275 case PROP_HADJUSTMENT:
276 modest_msg_view_set_hadjustment (msg_view, g_value_get_object (value));
278 case PROP_VADJUSTMENT:
279 modest_msg_view_set_vadjustment (msg_view, g_value_get_object (value));
281 case PROP_SHADOW_TYPE:
282 modest_msg_view_set_shadow_type (msg_view, g_value_get_enum (value));
285 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
291 get_property (GObject *object,
296 ModestMsgView *msg_view = MODEST_MSG_VIEW (object);
297 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
300 case PROP_HADJUSTMENT:
301 g_value_set_object (value, priv->hadj);
303 case PROP_VADJUSTMENT:
304 g_value_set_object (value, priv->vadj);
306 case PROP_SHADOW_TYPE:
307 g_value_set_enum (value, priv->shadow_type);
310 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
316 disconnect_hadjustment (ModestMsgView *msg_view)
318 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
321 g_signal_handlers_disconnect_by_func(priv->hadj, adjustment_value_changed, msg_view);
322 g_object_unref (priv->hadj);
328 disconnect_vadjustment (ModestMsgView *msg_view)
330 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
333 g_signal_handlers_disconnect_by_func(priv->vadj, adjustment_value_changed, msg_view);
334 g_object_unref (priv->vadj);
340 get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation)
342 /* This method gets the allocation of the widget in parent widget. It's the
343 real position and size of the widget */
344 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
349 if (priv->shadow_type != GTK_SHADOW_NONE) {
350 allocation->x = GTK_WIDGET (msg_view)->style->xthickness;
351 allocation->y = GTK_WIDGET (msg_view)->style->ythickness;
354 allocation->width = MAX (1, (GTK_WIDGET (msg_view)->allocation.width) - allocation->x * 2);
355 allocation->height = MAX (1, (GTK_WIDGET (msg_view)->allocation.height) - allocation->y * 2);
360 reclamp_adjustment (GtkAdjustment *adj,
361 gboolean *value_changed)
363 gdouble value = adj->value;
365 /* Correct value to be inside the expected values of a scroll */
367 value = CLAMP (value, 0, adj->upper - adj->page_size);
369 if (value != adj->value) {
372 *value_changed = TRUE;
373 } else if (value_changed) {
374 *value_changed = FALSE;
379 set_hadjustment_values (ModestMsgView *msg_view,
380 gboolean *value_changed)
382 GtkAllocation view_allocation;
383 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
385 get_view_allocation (msg_view, &view_allocation);
386 hadj->page_size = view_allocation.width;
387 hadj->step_increment = view_allocation.width * 0.1;
388 hadj->page_increment = view_allocation.width * 0.9;
391 hadj->upper = view_allocation.width;
393 reclamp_adjustment (hadj, value_changed);
398 set_vadjustment_values (ModestMsgView *msg_view,
399 gboolean *value_changed)
401 GtkAllocation view_allocation;
402 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
403 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
404 gint full_height = 0;
405 GtkAdjustment *html_vadj;
407 get_view_allocation (msg_view, &view_allocation);
408 vadj->page_size = view_allocation.height;
409 vadj->step_increment = view_allocation.height * 0.1;
410 vadj->page_increment = view_allocation.height * 0.9;
414 if (priv->headers_box && GTK_WIDGET_VISIBLE(priv->headers_box)) {
415 GtkRequisition child_requisition;
417 gtk_widget_get_child_requisition (priv->headers_box, &child_requisition);
418 full_height = child_requisition.height;
423 /* Get the real height of the embedded html */
424 if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
425 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
426 full_height += html_vadj->upper;
429 vadj->upper = MAX (view_allocation.height, full_height);
431 reclamp_adjustment (vadj, value_changed);
436 set_scroll_adjustments (ModestMsgView *msg_view,
440 modest_msg_view_set_hadjustment (msg_view, hadj);
441 modest_msg_view_set_vadjustment (msg_view, vadj);
445 realize (GtkWidget *widget)
447 ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
448 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
449 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
450 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
451 GdkWindowAttr attributes;
453 gint attributes_mask;
454 GtkAllocation view_allocation;
456 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
458 /* The structure of the GdkWindow's is:
459 * * widget->window: the shown gdkwindow embedding all the stuff inside
460 * * view_window: a backing store gdkwindow containing the headers and contents
461 * being scrolled. This window should have all the visible and non visible
463 * * headers_window: gdk window for headers_box.
464 * * html_window: gdk window for html_scroll (the scrolled window containing the
465 * gtkhtml showing the contents of the mail).
468 attributes.x = widget->allocation.x;
469 attributes.y = widget->allocation.y;
470 attributes.width = widget->allocation.width;
471 attributes.height = widget->allocation.height;
472 attributes.window_type = GDK_WINDOW_CHILD;
473 attributes.wclass = GDK_INPUT_OUTPUT;
474 attributes.visual = gtk_widget_get_visual (widget);
475 attributes.colormap = gtk_widget_get_colormap (widget);
477 event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
478 attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
479 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
481 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
482 &attributes, attributes_mask);
483 gdk_window_set_user_data (widget->window, msg_view);
485 get_view_allocation (msg_view, &view_allocation);
487 attributes.x = view_allocation.x;
488 attributes.y = view_allocation.y;
489 attributes.width = view_allocation.width;
490 attributes.height = view_allocation.height;
491 attributes.event_mask = 0;
492 priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
493 gdk_window_set_user_data (priv->view_window, msg_view);
494 gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
496 attributes.x = -hadj->value;
497 attributes.y = -vadj->value;
498 attributes.width = hadj->upper;
499 if (priv->headers_box)
500 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
502 attributes.height = 1;
503 attributes.event_mask = event_mask;
505 priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
506 gdk_window_set_user_data (priv->headers_window, msg_view);
508 if (priv->headers_box)
509 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
511 attributes.x = -hadj->value;
512 if (priv->headers_box)
513 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
515 attributes.y = -vadj->value;
516 attributes.width = hadj->upper;
517 if (priv->headers_box)
518 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
520 attributes.height = vadj->upper;
521 attributes.event_mask = event_mask;
523 priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
524 gdk_window_set_user_data (priv->html_window, msg_view);
526 if (priv->html_scroll)
527 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
529 widget->style = gtk_style_attach (widget->style, widget->window);
530 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
531 gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
532 gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
534 gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
536 NULL, widget, "msgviewheaders",
538 gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
540 NULL, widget, "msgviewcontents",
543 gdk_window_show (priv->view_window);
544 gdk_window_show (priv->headers_window);
545 gdk_window_show (priv->html_window);
550 unrealize (GtkWidget *widget)
552 ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
553 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
555 gdk_window_set_user_data (priv->view_window, NULL);
556 gdk_window_destroy (priv->view_window);
557 priv->view_window = NULL;
559 gdk_window_set_user_data (priv->headers_window, NULL);
560 gdk_window_destroy (priv->headers_window);
561 priv->headers_window = NULL;
563 gdk_window_set_user_data (priv->html_window, NULL);
564 gdk_window_destroy (priv->html_window);
565 priv->html_window = NULL;
567 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
568 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
573 expose (GtkWidget *widget,
574 GdkEventExpose *event)
576 ModestMsgView *msg_view;
577 ModestMsgViewPrivate *priv;
579 if (GTK_WIDGET_DRAWABLE (widget)) {
580 msg_view = MODEST_MSG_VIEW (widget);
581 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
582 if (event->window == widget->window) {
583 gtk_paint_shadow (widget->style, widget->window,
584 GTK_STATE_NORMAL, priv->shadow_type,
585 &event->area, widget, "msgview",
587 } else if (event->window == priv->headers_window) {
588 gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
590 &event->area, widget, "msgviewheaders",
592 } else if (event->window == priv->html_window) {
593 gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
595 &event->area, widget, "msgviewcontents",
598 if (priv->headers_box)
599 gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->headers_box, event);
600 if (priv->html_scroll)
601 gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->html_scroll, event);
602 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
609 forall (GtkContainer *container,
610 gboolean include_internals,
611 GtkCallback callback,
614 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
615 g_return_if_fail (callback != NULL);
617 if (priv->headers_box)
618 (*callback) (priv->headers_box, userdata);
619 if (priv->html_scroll)
620 (*callback) (priv->html_scroll, userdata);
624 container_remove (GtkContainer *container,
627 gboolean was_visible = FALSE;
628 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
629 was_visible = GTK_WIDGET_VISIBLE (widget);
630 if (widget == priv->headers_box) {
631 gtk_widget_unparent (priv->headers_box);
632 priv->headers_box = NULL;
633 } else if (widget == priv->html_scroll) {
634 gtk_widget_unparent (priv->html_scroll);
635 priv->html_scroll = NULL;
640 gtk_widget_queue_resize (GTK_WIDGET(container));
645 size_request (GtkWidget *widget,
648 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (widget);
649 GtkRequisition child_req;
654 gtk_widget_size_request (priv->headers_box, &child_req);
655 req->width = child_req.width;
656 req->height += child_req.height;
657 gtk_widget_size_request (priv->html_scroll, &child_req);
658 req->width = MAX (child_req.width, req->width);
659 req->height += child_req.height;
664 size_allocate (GtkWidget *widget,
665 GtkAllocation *allocation)
667 ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
668 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
669 gboolean hadj_value_changed, vadj_value_changed;
670 GtkAllocation headers_allocation, html_allocation;
671 GtkAdjustment *html_vadj;
673 if (GTK_WIDGET_MAPPED (widget) &&
674 priv->shadow_type != GTK_SHADOW_NONE &&
675 (allocation->width != widget->allocation.width ||
676 allocation->height != widget->allocation.height))
677 gdk_window_invalidate_rect (widget->window, NULL, FALSE);
679 widget->allocation = *allocation;
680 set_hadjustment_values (msg_view, &hadj_value_changed);
681 set_vadjustment_values (msg_view, &vadj_value_changed);
683 headers_allocation.x = 0;
684 headers_allocation.y = 0;
685 headers_allocation.width = allocation->width;
686 if (priv->headers_box)
687 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
689 headers_allocation.height = 0;
691 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
693 html_allocation.x = 0;
694 html_allocation.y = headers_allocation.height;
695 html_allocation.width = allocation->width;
696 html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height));
698 if (GTK_WIDGET_REALIZED (widget)) {
699 GtkAllocation view_allocation;
700 gdk_window_move_resize (widget->window,
706 get_view_allocation (msg_view, &view_allocation);
708 gdk_window_move_resize (priv->view_window,
711 view_allocation.width,
712 view_allocation.height);
713 gdk_window_move_resize (priv->headers_window,
715 (gint) (- priv->vadj->value),
717 headers_allocation.height);
718 gdk_window_move_resize (priv->html_window,
719 (gint) (- priv->hadj->value),
720 (gint) (html_allocation.y - priv->vadj->value),
721 (gint) priv->hadj->upper,
722 html_allocation.height);
725 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
726 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
728 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
729 html_allocation.x = 0;
730 html_allocation.y = 0;
731 html_allocation.width = (gint) priv->hadj->upper;
732 html_allocation.height = (gint) priv->vadj->upper - headers_allocation.height;
733 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
735 gtk_adjustment_changed (priv->hadj);
736 gtk_adjustment_changed (priv->vadj);
738 if (hadj_value_changed)
739 gtk_adjustment_value_changed (priv->hadj);
740 if (vadj_value_changed)
741 gtk_adjustment_value_changed (priv->vadj);
746 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
748 ModestMsgView *msg_view = NULL;
749 ModestMsgViewPrivate *priv = NULL;
751 g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
752 g_return_if_fail (MODEST_IS_MSG_VIEW (data));
754 msg_view = MODEST_MSG_VIEW (data);
755 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
757 if (GTK_WIDGET_REALIZED (msg_view)) {
758 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
759 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
760 gint headers_offset = 0;
762 gtk_widget_queue_resize (priv->html_scroll);
764 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
767 gdk_window_get_position (priv->headers_window, &old_x, &old_y);
769 new_y = -vadj->value;
771 headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
773 if (new_x != old_x || new_y != old_y) {
774 gdk_window_move (priv->headers_window, new_x, new_y);
775 gdk_window_process_updates (priv->headers_window, TRUE);
779 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
782 gdk_window_get_position (priv->html_window, &old_x, &old_y);
783 new_x = -hadj->value;
784 new_y = headers_offset - vadj->value;
786 if (new_x != old_x || new_y != old_y) {
787 gdk_window_move (priv->html_window, new_x, new_y);
788 gdk_window_process_updates (priv->html_window, TRUE);
796 html_adjustment_changed (GtkAdjustment *adj,
799 ModestMsgView *msg_view = MODEST_MSG_VIEW (userdata);
800 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
801 GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
802 gboolean vadj_changed;
805 priv->html_scroll->requisition.height = html_vadj->upper;
806 priv->html_scroll->allocation.height = html_vadj->upper;
808 set_vadjustment_values (msg_view, &vadj_changed);
810 new_height = MAX ((gint) html_vadj->upper, (gint) (priv->vadj->upper - priv->headers_box->allocation.height));
812 gtk_adjustment_changed (priv->vadj);
813 if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
814 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
815 gdk_window_process_updates (priv->view_window, TRUE);
816 gtk_container_resize_children (GTK_CONTAINER (msg_view));
822 modest_msg_view_init (ModestMsgView *obj)
824 ModestMsgViewPrivate *priv;
825 GtkAdjustment *html_vadj;
827 GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
828 gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
829 gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
830 gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
832 priv = MODEST_MSG_VIEW_GET_PRIVATE(obj);
836 priv->shadow_type = GTK_SHADOW_IN;
837 priv->view_window = NULL;
838 priv->headers_window = NULL;
839 priv->html_window = NULL;
842 gtk_widget_push_composite_child ();
843 priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
844 gtk_widget_set_composite_name (priv->html_scroll, "contents");
845 gtk_widget_pop_composite_child ();
846 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
850 priv->gtkhtml = gtk_html_new();
851 gtk_html_set_editable (GTK_HTML(priv->gtkhtml), FALSE);
852 gtk_html_allow_selection (GTK_HTML(priv->gtkhtml), TRUE);
853 gtk_html_set_caret_mode (GTK_HTML(priv->gtkhtml), FALSE);
854 gtk_html_set_blocking (GTK_HTML(priv->gtkhtml), FALSE);
855 gtk_html_set_images_blocking (GTK_HTML(priv->gtkhtml), FALSE);
857 priv->mail_header_view = GTK_WIDGET(modest_mail_header_view_new ());
858 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
860 priv->attachments_view = GTK_WIDGET(modest_attachments_view_new (NULL));
861 gtk_widget_set_no_show_all (priv->attachments_view, TRUE);
863 priv->sig1 = g_signal_connect (G_OBJECT(priv->gtkhtml), "link_clicked",
864 G_CALLBACK(on_link_clicked), obj);
865 priv->sig2 = g_signal_connect (G_OBJECT(priv->gtkhtml), "url_requested",
866 G_CALLBACK(on_url_requested), obj);
867 priv->sig3 = g_signal_connect (G_OBJECT(priv->gtkhtml), "on_url",
868 G_CALLBACK(on_link_hover), obj);
870 g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
871 G_CALLBACK (on_recpt_activated), obj);
873 g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
874 G_CALLBACK (on_attachment_activated), obj);
876 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
878 g_signal_connect (G_OBJECT (html_vadj), "changed",
879 G_CALLBACK (html_adjustment_changed), obj);
885 modest_msg_view_finalize (GObject *obj)
887 ModestMsgViewPrivate *priv;
888 priv = MODEST_MSG_VIEW_GET_PRIVATE (obj);
891 g_object_unref (G_OBJECT(priv->msg));
895 /* we cannot disconnect sigs, because priv->gtkhtml is
898 disconnect_vadjustment (MODEST_MSG_VIEW(obj));
899 disconnect_hadjustment (MODEST_MSG_VIEW(obj));
901 priv->gtkhtml = NULL;
902 priv->attachments_view = NULL;
904 G_OBJECT_CLASS(parent_class)->finalize (obj);
908 modest_msg_view_destroy (GtkObject *obj)
910 disconnect_vadjustment (MODEST_MSG_VIEW(obj));
911 disconnect_hadjustment (MODEST_MSG_VIEW(obj));
913 GTK_OBJECT_CLASS(parent_class)->destroy (obj);
917 modest_msg_view_get_vadjustment (ModestMsgView *msg_view)
919 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
922 modest_msg_view_set_vadjustment (msg_view, NULL);
929 modest_msg_view_get_hadjustment (ModestMsgView *msg_view)
931 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
934 modest_msg_view_set_hadjustment (msg_view, NULL);
941 modest_msg_view_set_hadjustment (ModestMsgView *msg_view, GtkAdjustment *hadj)
943 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
944 gboolean value_changed;
946 if (hadj && hadj == priv->hadj)
950 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
951 disconnect_hadjustment (msg_view);
952 g_object_ref (G_OBJECT (hadj));
953 gtk_object_sink (GTK_OBJECT (hadj));
955 set_hadjustment_values (msg_view, &value_changed);
957 g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
960 gtk_adjustment_changed (hadj);
962 gtk_adjustment_value_changed (hadj);
964 adjustment_value_changed (hadj, msg_view);
966 g_object_notify (G_OBJECT (msg_view), "hadjustment");
970 modest_msg_view_set_vadjustment (ModestMsgView *msg_view, GtkAdjustment *vadj)
972 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
973 gboolean value_changed;
975 if (vadj && vadj == priv->vadj)
979 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
980 disconnect_vadjustment (msg_view);
981 g_object_ref (G_OBJECT (vadj));
982 gtk_object_sink (GTK_OBJECT (vadj));
984 set_vadjustment_values (msg_view, &value_changed);
986 g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
989 gtk_adjustment_changed (vadj);
991 gtk_adjustment_value_changed (vadj);
993 adjustment_value_changed (vadj, msg_view);
995 g_object_notify (G_OBJECT (msg_view), "vadjustment");
999 * modest_msg_view_set_shadow_type:
1000 * @msg_view: a #ModestMsgView.
1001 * @shadow_type: new shadow type.
1003 * Sets a shadow type of the message view.
1006 modest_msg_view_set_shadow_type (ModestMsgView *msg_view,
1007 GtkShadowType shadow_type)
1009 ModestMsgViewPrivate *priv;
1010 g_return_if_fail (MODEST_IS_MSG_VIEW (msg_view));
1012 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1014 if (priv->shadow_type != shadow_type) {
1015 priv->shadow_type = shadow_type;
1017 if (GTK_WIDGET_VISIBLE (msg_view)) {
1018 gtk_widget_size_allocate (GTK_WIDGET (msg_view), &(GTK_WIDGET (msg_view)->allocation));
1019 gtk_widget_queue_draw (GTK_WIDGET (msg_view));
1021 g_object_notify (G_OBJECT (msg_view), "shadow-type");
1026 * modest_msg_view_get_shadow_type:
1027 * @msg_view: a #ModestMsgView
1029 * Gets the current shadow type of the #ModestMsgView.
1031 * Return value: the shadow type
1034 modest_msg_view_get_shadow_type (ModestMsgView *msg_view)
1036 ModestMsgViewPrivate *priv;
1037 g_return_val_if_fail (MODEST_IS_MSG_VIEW (msg_view), GTK_SHADOW_NONE);
1038 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1040 return priv->shadow_type;
1044 modest_msg_view_new (TnyMsg *msg)
1047 ModestMsgView* self;
1048 ModestMsgViewPrivate *priv;
1050 obj = G_OBJECT(g_object_new(MODEST_TYPE_MSG_VIEW, NULL));
1051 self = MODEST_MSG_VIEW(obj);
1052 priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1054 gtk_widget_push_composite_child ();
1055 priv->headers_box = gtk_vbox_new (0, FALSE);
1056 gtk_widget_set_composite_name (priv->headers_box, "headers");
1057 gtk_widget_pop_composite_child ();
1059 if (priv->mail_header_view)
1060 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
1062 if (priv->attachments_view)
1063 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->attachments_view, FALSE, FALSE, 0);
1065 gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (self));
1067 if (priv->gtkhtml) {
1068 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->gtkhtml);
1069 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(self));
1072 modest_msg_view_set_message (self, msg);
1074 return GTK_WIDGET(self);
1078 on_recpt_activated (ModestMailHeaderView *header_view,
1079 const gchar *address,
1080 ModestMsgView * view)
1082 g_signal_emit (G_OBJECT (view), signals[RECPT_ACTIVATED_SIGNAL], 0, address);
1086 on_attachment_activated (ModestAttachmentsView * att_view, gint index, gpointer msg_view)
1091 /* index is 1-based, so 0 indicates an error */
1092 g_printerr ("modest: invalid attachment index: %d\n", index);
1096 g_signal_emit (G_OBJECT(msg_view), signals[ATTACHMENT_CLICKED_SIGNAL],
1101 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
1103 g_return_val_if_fail (msg_view, FALSE);
1105 g_signal_emit (G_OBJECT(msg_view), signals[LINK_CLICKED_SIGNAL],
1113 on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
1115 g_signal_emit (G_OBJECT(msg_view), signals[LINK_HOVER_SIGNAL],
1123 static TnyMimePart *
1124 find_cid_image (TnyMsg *msg, const gchar *cid)
1126 TnyMimePart *part = NULL;
1130 g_return_val_if_fail (msg, NULL);
1131 g_return_val_if_fail (cid, NULL);
1133 parts = TNY_LIST (tny_simple_list_new());
1135 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
1136 iter = tny_list_create_iterator (parts);
1138 while (!tny_iterator_is_done(iter)) {
1139 const gchar *part_cid;
1140 part = TNY_MIME_PART(tny_iterator_get_current(iter));
1141 part_cid = tny_mime_part_get_content_id (part);
1143 if (part_cid && strcmp (cid, part_cid) == 0)
1146 g_object_unref (G_OBJECT(part));
1149 tny_iterator_next (iter);
1152 g_object_unref (G_OBJECT(iter));
1153 g_object_unref (G_OBJECT(parts));
1160 on_url_requested (GtkWidget *widget, const gchar *uri,
1161 GtkHTMLStream *stream, ModestMsgView *msg_view)
1163 ModestMsgViewPrivate *priv;
1164 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1166 if (g_str_has_prefix (uri, "cid:")) {
1167 /* +4 ==> skip "cid:" */
1168 TnyMimePart *part = find_cid_image (priv->msg, uri + 4);
1170 g_printerr ("modest: '%s' not found\n", uri + 4);
1171 gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
1173 TnyStream *tny_stream =
1174 TNY_STREAM(modest_tny_stream_gtkhtml_new(stream));
1175 tny_mime_part_decode_to_stream ((TnyMimePart*)part,
1177 gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
1179 g_object_unref (G_OBJECT(tny_stream));
1180 g_object_unref (G_OBJECT(part));
1188 set_html_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1190 GtkHTMLStream *gtkhtml_stream;
1191 TnyStream *tny_stream;
1192 ModestMsgViewPrivate *priv;
1194 g_return_val_if_fail (self, FALSE);
1195 g_return_val_if_fail (tny_body, FALSE);
1197 priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1199 gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1201 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1202 tny_stream_reset (tny_stream);
1204 tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, tny_stream);
1205 g_object_unref (G_OBJECT(tny_stream));
1207 gtk_html_stream_destroy (gtkhtml_stream);
1213 /* FIXME: this is a hack --> we use the tny_text_buffer_stream to
1214 * get the message text, then write to gtkhtml 'by hand' */
1216 set_text_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1219 GtkTextIter begin, end;
1220 TnyStream* txt_stream, *tny_stream;
1221 GtkHTMLStream *gtkhtml_stream;
1223 ModestMsgViewPrivate *priv;
1225 g_return_val_if_fail (self, FALSE);
1226 g_return_val_if_fail (tny_body, FALSE);
1228 priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1230 buf = gtk_text_buffer_new (NULL);
1231 txt_stream = TNY_STREAM(tny_gtk_text_buffer_stream_new (buf));
1233 tny_stream_reset (txt_stream);
1235 gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1236 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1239 tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, txt_stream);
1240 tny_stream_reset (txt_stream);
1242 gtk_text_buffer_get_bounds (buf, &begin, &end);
1243 txt = gtk_text_buffer_get_text (buf, &begin, &end, FALSE);
1245 gchar *html = modest_text_utils_convert_to_html (txt);
1246 tny_stream_write (tny_stream, html, strlen(html));
1247 tny_stream_reset (tny_stream);
1252 g_object_unref (G_OBJECT(tny_stream));
1253 g_object_unref (G_OBJECT(txt_stream));
1254 g_object_unref (G_OBJECT(buf));
1256 gtk_html_stream_destroy (gtkhtml_stream);
1263 set_empty_message (ModestMsgView *self)
1265 ModestMsgViewPrivate *priv;
1267 g_return_val_if_fail (self, FALSE);
1268 priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1270 gtk_html_load_from_string (GTK_HTML(priv->gtkhtml),
1278 modest_msg_view_set_message (ModestMsgView *self, TnyMsg *msg)
1281 ModestMsgViewPrivate *priv;
1284 g_return_if_fail (self);
1286 priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1287 gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1289 if (msg != priv->msg) {
1291 g_object_unref (G_OBJECT(priv->msg));
1293 g_object_ref (G_OBJECT(msg));
1298 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1299 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1300 gtk_widget_hide_all (priv->mail_header_view);
1301 gtk_widget_hide_all (priv->attachments_view);
1302 gtk_widget_set_no_show_all (priv->attachments_view, TRUE);
1303 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1304 set_empty_message (self);
1305 gtk_widget_queue_resize (GTK_WIDGET(self));
1306 gtk_widget_queue_draw (GTK_WIDGET(self));
1310 header = tny_msg_get_header (msg);
1311 tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1312 g_object_unref (header);
1314 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
1317 body = modest_tny_msg_find_body_part (msg,TRUE);
1319 if (tny_mime_part_content_type_is (body, "text/html"))
1320 set_html_message (self, body, msg);
1322 set_text_message (self, body, msg);
1324 set_empty_message (self);
1326 gtk_widget_show (priv->gtkhtml);
1327 gtk_widget_show_all (priv->mail_header_view);
1328 gtk_widget_show_all (priv->attachments_view);
1329 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1330 gtk_widget_queue_resize (GTK_WIDGET(self));
1331 gtk_widget_queue_draw (GTK_WIDGET(self));
1333 if (priv->hadj != NULL)
1334 priv->hadj->value = 0.0;
1335 if (priv->vadj != NULL)
1336 priv->vadj->value = 0.0;
1342 modest_msg_view_get_message (ModestMsgView *self)
1344 g_return_val_if_fail (self, NULL);
1346 return MODEST_MSG_VIEW_GET_PRIVATE(self)->msg;