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);
57 static void on_recpt_activated (ModestMailHeaderView *header_view, const gchar *address, ModestMsgView *msg_view);
58 static void on_attachment_activated (ModestAttachmentsView * att_view, gint index, gpointer);
61 static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
62 static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
63 ModestMsgView *msg_view);
64 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
66 /* size allocation and drawing handlers */
67 static void get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation);
68 static void size_request (GtkWidget *widget, GtkRequisition *req);
69 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc);
70 static void realize (GtkWidget *widget);
71 static void unrealize (GtkWidget *widget);
72 static gint expose (GtkWidget *widget, GdkEventExpose *event);
73 static void reclamp_adjustment (GtkAdjustment *adj, gboolean *value_changed);
74 static void set_hadjustment_values (ModestMsgView *msg_view, gboolean *value_changed);
75 static void set_scroll_adjustments (ModestMsgView *msg_view, GtkAdjustment *hadj, GtkAdjustment *vadj);
76 static void adjustment_value_changed (GtkAdjustment *adj, gpointer data);
77 static void html_adjustment_changed (GtkAdjustment *adj, gpointer data);
78 static void disconnect_vadjustment (ModestMsgView *obj);
79 static void disconnect_hadjustment (ModestMsgView *obj);
81 /* GtkContainer methods */
82 static void forall (GtkContainer *container, gboolean include_internals,
83 GtkCallback callback, gpointer userdata);
84 static void container_remove (GtkContainer *container, GtkWidget *widget);
90 ATTACHMENT_CLICKED_SIGNAL,
91 RECPT_ACTIVATED_SIGNAL,
95 typedef struct _ModestMsgViewPrivate ModestMsgViewPrivate;
96 struct _ModestMsgViewPrivate {
98 GtkWidget *mail_header_view;
99 GtkWidget *attachments_view;
103 /* embedded elements */
104 GtkWidget *headers_box;
105 GtkWidget *html_scroll;
107 /* internal adjustments for set_scroll_adjustments */
111 /* gdk windows for drawing */
112 GdkWindow *view_window;
113 GdkWindow *headers_window;
114 GdkWindow *html_window;
116 gulong sig1, sig2, sig3;
118 #define MODEST_MSG_VIEW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
119 MODEST_TYPE_MSG_VIEW, \
120 ModestMsgViewPrivate))
122 static GtkContainerClass *parent_class = NULL;
124 /* uncomment the following if you have defined any signals */
125 static guint signals[LAST_SIGNAL] = {0};
128 modest_msg_view_get_type (void)
130 static GType my_type = 0;
132 static const GTypeInfo my_info = {
133 sizeof(ModestMsgViewClass),
134 NULL, /* base init */
135 NULL, /* base finalize */
136 (GClassInitFunc) modest_msg_view_class_init,
137 NULL, /* class finalize */
138 NULL, /* class data */
139 sizeof(ModestMsgView),
141 (GInstanceInitFunc) modest_msg_view_init,
144 my_type = g_type_register_static (GTK_TYPE_CONTAINER,
152 modest_msg_view_class_init (ModestMsgViewClass *klass)
154 GObjectClass *gobject_class;
155 GtkWidgetClass *widget_class;
156 GtkObjectClass *gtkobject_class;
157 GtkContainerClass *container_class;
158 gobject_class = (GObjectClass*) klass;
159 widget_class = (GtkWidgetClass *) klass;
160 gtkobject_class = (GtkObjectClass *) klass;
161 container_class = (GtkContainerClass *) klass;
163 parent_class = g_type_class_peek_parent (klass);
164 gobject_class->finalize = modest_msg_view_finalize;
165 gtkobject_class->destroy = modest_msg_view_destroy;
167 widget_class->realize = realize;
168 widget_class->unrealize = unrealize;
169 widget_class->expose_event = expose;
170 widget_class->size_request = size_request;
171 widget_class->size_allocate = size_allocate;
173 container_class->forall = forall;
174 container_class->remove = container_remove;
176 klass->set_scroll_adjustments = set_scroll_adjustments;
178 g_type_class_add_private (gobject_class, sizeof(ModestMsgViewPrivate));
180 signals[LINK_CLICKED_SIGNAL] =
181 g_signal_new ("link_clicked",
182 G_TYPE_FROM_CLASS (gobject_class),
184 G_STRUCT_OFFSET(ModestMsgViewClass, link_clicked),
186 g_cclosure_marshal_VOID__STRING,
187 G_TYPE_NONE, 1, G_TYPE_STRING);
189 signals[ATTACHMENT_CLICKED_SIGNAL] =
190 g_signal_new ("attachment_clicked",
191 G_TYPE_FROM_CLASS (gobject_class),
193 G_STRUCT_OFFSET(ModestMsgViewClass, attachment_clicked),
195 g_cclosure_marshal_VOID__POINTER,
196 G_TYPE_NONE, 1, G_TYPE_INT);
198 signals[LINK_HOVER_SIGNAL] =
199 g_signal_new ("link_hover",
200 G_TYPE_FROM_CLASS (gobject_class),
202 G_STRUCT_OFFSET(ModestMsgViewClass, link_hover),
204 g_cclosure_marshal_VOID__STRING,
205 G_TYPE_NONE, 1, G_TYPE_STRING);
207 signals[RECPT_ACTIVATED_SIGNAL] =
208 g_signal_new ("recpt_activated",
209 G_TYPE_FROM_CLASS (gobject_class),
211 G_STRUCT_OFFSET(ModestMsgViewClass, recpt_activated),
213 g_cclosure_marshal_VOID__STRING,
214 G_TYPE_NONE, 1, G_TYPE_STRING);
216 widget_class->set_scroll_adjustments_signal =
217 g_signal_new ("set_scroll_adjustments",
218 G_OBJECT_CLASS_TYPE (gobject_class),
219 G_SIGNAL_RUN_LAST|G_SIGNAL_ACTION,
220 G_STRUCT_OFFSET (ModestMsgViewClass, set_scroll_adjustments),
222 modest_marshal_VOID__POINTER_POINTER,
225 GTK_TYPE_ADJUSTMENT);
229 disconnect_hadjustment (ModestMsgView *msg_view)
231 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
234 g_signal_handlers_disconnect_by_func(priv->hadj, adjustment_value_changed, msg_view);
235 g_object_unref (priv->hadj);
241 disconnect_vadjustment (ModestMsgView *msg_view)
243 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
246 g_signal_handlers_disconnect_by_func(priv->vadj, adjustment_value_changed, msg_view);
247 g_object_unref (priv->vadj);
253 get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation)
255 /* This method gets the allocation of the widget in parent widget. It's the
256 real position and size of the widget */
261 allocation->width = MAX (1, GTK_WIDGET (msg_view)->allocation.width);
262 allocation->height = MAX (1, GTK_WIDGET (msg_view)->allocation.height);
267 reclamp_adjustment (GtkAdjustment *adj,
268 gboolean *value_changed)
270 gdouble value = adj->value;
272 /* Correct value to be inside the expected values of a scroll */
274 value = CLAMP (value, 0, adj->upper - adj->page_size);
276 if (value != adj->value) {
279 *value_changed = TRUE;
280 } else if (value_changed) {
281 *value_changed = FALSE;
286 set_hadjustment_values (ModestMsgView *msg_view,
287 gboolean *value_changed)
289 GtkAllocation view_allocation;
290 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
292 get_view_allocation (msg_view, &view_allocation);
293 hadj->page_size = view_allocation.width;
294 hadj->step_increment = view_allocation.width * 0.1;
295 hadj->page_increment = view_allocation.width * 0.9;
298 hadj->upper = view_allocation.width;
300 reclamp_adjustment (hadj, value_changed);
305 set_vadjustment_values (ModestMsgView *msg_view,
306 gboolean *value_changed)
308 GtkAllocation view_allocation;
309 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
310 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
311 gint full_height = 0;
312 GtkAdjustment *html_vadj;
314 get_view_allocation (msg_view, &view_allocation);
315 vadj->page_size = view_allocation.height;
316 vadj->step_increment = view_allocation.height * 0.1;
317 vadj->page_increment = view_allocation.height * 0.9;
321 if (priv->headers_box && GTK_WIDGET_VISIBLE(priv->headers_box)) {
322 GtkRequisition child_requisition;
324 gtk_widget_get_child_requisition (priv->headers_box, &child_requisition);
325 full_height = child_requisition.height;
330 /* Get the real height of the embedded html */
331 if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
332 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
333 full_height += html_vadj->upper;
336 vadj->upper = MAX (view_allocation.height, full_height);
338 reclamp_adjustment (vadj, value_changed);
343 set_scroll_adjustments (ModestMsgView *msg_view,
347 modest_msg_view_set_hadjustment (msg_view, hadj);
348 modest_msg_view_set_vadjustment (msg_view, vadj);
352 realize (GtkWidget *widget)
354 ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
355 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
356 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
357 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
358 GdkWindowAttr attributes;
360 gint attributes_mask;
361 GtkAllocation view_allocation;
363 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
365 /* The structure of the GdkWindow's is:
366 * * widget->window: the shown gdkwindow embedding all the stuff inside
367 * * view_window: a backing store gdkwindow containing the headers and contents
368 * being scrolled. This window should have all the visible and non visible
370 * * headers_window: gdk window for headers_box.
371 * * html_window: gdk window for html_scroll (the scrolled window containing the
372 * gtkhtml showing the contents of the mail).
375 attributes.x = widget->allocation.x;
376 attributes.y = widget->allocation.y;
377 attributes.width = widget->allocation.width;
378 attributes.height = widget->allocation.height;
379 attributes.window_type = GDK_WINDOW_CHILD;
380 attributes.wclass = GDK_INPUT_OUTPUT;
381 attributes.visual = gtk_widget_get_visual (widget);
382 attributes.colormap = gtk_widget_get_colormap (widget);
384 event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
385 attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
386 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
388 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
389 &attributes, attributes_mask);
390 gdk_window_set_user_data (widget->window, msg_view);
392 get_view_allocation (msg_view, &view_allocation);
394 attributes.x = view_allocation.x;
395 attributes.y = view_allocation.y;
396 attributes.width = view_allocation.width;
397 attributes.height = view_allocation.height;
398 attributes.event_mask = 0;
399 priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
400 gdk_window_set_user_data (priv->view_window, msg_view);
401 gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
403 attributes.x = -hadj->value;
404 attributes.y = -vadj->value;
405 attributes.width = hadj->upper;
406 if (priv->headers_box)
407 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
409 attributes.height = 1;
410 attributes.event_mask = event_mask;
412 priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
413 gdk_window_set_user_data (priv->headers_window, msg_view);
415 if (priv->headers_box)
416 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
418 attributes.x = -hadj->value;
419 if (priv->headers_box)
420 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
422 attributes.y = -vadj->value;
423 attributes.width = hadj->upper;
424 if (priv->headers_box)
425 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
427 attributes.height = vadj->upper;
428 attributes.event_mask = event_mask;
430 priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
431 gdk_window_set_user_data (priv->html_window, msg_view);
433 if (priv->html_scroll)
434 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
436 widget->style = gtk_style_attach (widget->style, widget->window);
437 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
438 gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
439 gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
441 gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
443 NULL, widget, "msgviewheaders",
445 gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
447 NULL, widget, "msgviewcontents",
450 gdk_window_show (priv->view_window);
451 gdk_window_show (priv->headers_window);
452 gdk_window_show (priv->html_window);
457 unrealize (GtkWidget *widget)
459 ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
460 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
462 gdk_window_set_user_data (priv->view_window, NULL);
463 gdk_window_destroy (priv->view_window);
464 priv->view_window = NULL;
466 gdk_window_set_user_data (priv->headers_window, NULL);
467 gdk_window_destroy (priv->headers_window);
468 priv->headers_window = NULL;
470 gdk_window_set_user_data (priv->html_window, NULL);
471 gdk_window_destroy (priv->html_window);
472 priv->html_window = NULL;
474 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
475 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
480 expose (GtkWidget *widget,
481 GdkEventExpose *event)
483 ModestMsgView *msg_view;
484 ModestMsgViewPrivate *priv;
486 if (GTK_WIDGET_DRAWABLE (widget)) {
487 msg_view = MODEST_MSG_VIEW (widget);
488 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
489 if (event->window == widget->window) {
490 gtk_paint_shadow (widget->style, widget->window,
491 GTK_STATE_NORMAL, GTK_SHADOW_NONE,
492 &event->area, widget, "msgview",
494 } else if (event->window == priv->headers_window) {
495 gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
497 &event->area, widget, "msgviewheaders",
499 } else if (event->window == priv->html_window) {
500 gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
502 &event->area, widget, "msgviewcontents",
505 if (priv->headers_box)
506 gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->headers_box, event);
507 if (priv->html_scroll)
508 gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->html_scroll, event);
509 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
516 forall (GtkContainer *container,
517 gboolean include_internals,
518 GtkCallback callback,
521 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
522 g_return_if_fail (callback != NULL);
524 if (priv->headers_box)
525 (*callback) (priv->headers_box, userdata);
526 if (priv->html_scroll)
527 (*callback) (priv->html_scroll, userdata);
531 container_remove (GtkContainer *container,
534 gboolean was_visible = FALSE;
535 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
536 was_visible = GTK_WIDGET_VISIBLE (widget);
537 if (widget == priv->headers_box) {
538 gtk_widget_unparent (priv->headers_box);
539 priv->headers_box = NULL;
540 } else if (widget == priv->html_scroll) {
541 gtk_widget_unparent (priv->html_scroll);
542 priv->html_scroll = NULL;
547 gtk_widget_queue_resize (GTK_WIDGET(container));
552 size_request (GtkWidget *widget,
555 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (widget);
556 GtkRequisition child_req;
561 gtk_widget_size_request (priv->headers_box, &child_req);
562 req->width = child_req.width;
563 req->height += child_req.height;
564 gtk_widget_size_request (priv->html_scroll, &child_req);
565 req->width = MAX (child_req.width, req->width);
566 req->height += child_req.height;
571 size_allocate (GtkWidget *widget,
572 GtkAllocation *allocation)
574 ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
575 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
576 gboolean hadj_value_changed, vadj_value_changed;
577 GtkAllocation headers_allocation, html_allocation;
578 GtkAdjustment *html_vadj;
580 widget->allocation = *allocation;
581 set_hadjustment_values (msg_view, &hadj_value_changed);
582 set_vadjustment_values (msg_view, &vadj_value_changed);
584 headers_allocation.x = 0;
585 headers_allocation.y = 0;
586 headers_allocation.width = allocation->width;
587 if (priv->headers_box)
588 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
590 headers_allocation.height = 0;
592 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
594 html_allocation.x = 0;
595 html_allocation.y = headers_allocation.height;
596 html_allocation.width = allocation->width;
597 html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height));
599 if (GTK_WIDGET_REALIZED (widget)) {
600 GtkAllocation view_allocation;
601 gdk_window_move_resize (widget->window,
607 get_view_allocation (msg_view, &view_allocation);
609 gdk_window_move_resize (priv->view_window,
612 view_allocation.width,
613 view_allocation.height);
614 gdk_window_move_resize (priv->headers_window,
616 (gint) (- priv->vadj->value),
618 headers_allocation.height);
619 gdk_window_move_resize (priv->html_window,
620 (gint) (- priv->hadj->value),
621 (gint) (html_allocation.y - priv->vadj->value),
622 (gint) priv->hadj->upper,
623 html_allocation.height);
626 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
627 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
629 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
630 html_allocation.x = 0;
631 html_allocation.y = 0;
632 html_allocation.width = (gint) priv->hadj->upper;
633 html_allocation.height = (gint) priv->vadj->upper - headers_allocation.height;
634 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
636 gtk_adjustment_changed (priv->hadj);
637 gtk_adjustment_changed (priv->vadj);
639 if (hadj_value_changed)
640 gtk_adjustment_value_changed (priv->hadj);
641 if (vadj_value_changed)
642 gtk_adjustment_value_changed (priv->vadj);
647 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
649 ModestMsgView *msg_view = NULL;
650 ModestMsgViewPrivate *priv = NULL;
652 g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
653 g_return_if_fail (MODEST_IS_MSG_VIEW (data));
655 msg_view = MODEST_MSG_VIEW (data);
656 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
658 if (GTK_WIDGET_REALIZED (msg_view)) {
659 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
660 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
661 gint headers_offset = 0;
663 gtk_widget_queue_resize (priv->html_scroll);
665 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
668 gdk_window_get_position (priv->headers_window, &old_x, &old_y);
670 new_y = -vadj->value;
672 headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
674 if (new_x != old_x || new_y != old_y) {
675 gdk_window_move (priv->headers_window, new_x, new_y);
676 gdk_window_process_updates (priv->headers_window, TRUE);
680 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
683 gdk_window_get_position (priv->html_window, &old_x, &old_y);
684 new_x = -hadj->value;
685 new_y = headers_offset - vadj->value;
687 if (new_x != old_x || new_y != old_y) {
688 gdk_window_move (priv->html_window, new_x, new_y);
689 gdk_window_process_updates (priv->html_window, TRUE);
697 html_adjustment_changed (GtkAdjustment *adj,
700 ModestMsgView *msg_view = MODEST_MSG_VIEW (userdata);
701 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
702 GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
703 gboolean vadj_changed;
706 priv->html_scroll->requisition.height = html_vadj->upper;
707 priv->html_scroll->allocation.height = html_vadj->upper;
709 set_vadjustment_values (msg_view, &vadj_changed);
711 new_height = MAX ((gint) html_vadj->upper, (gint) (priv->vadj->upper - priv->headers_box->allocation.height));
713 gtk_adjustment_changed (priv->vadj);
714 if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
715 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
716 gdk_window_process_updates (priv->view_window, TRUE);
717 gtk_container_resize_children (GTK_CONTAINER (msg_view));
723 modest_msg_view_init (ModestMsgView *obj)
725 ModestMsgViewPrivate *priv;
726 GtkAdjustment *html_vadj;
728 GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
729 gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
730 gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
731 gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
733 priv = MODEST_MSG_VIEW_GET_PRIVATE(obj);
737 priv->view_window = NULL;
738 priv->headers_window = NULL;
739 priv->html_window = NULL;
742 gtk_widget_push_composite_child ();
743 priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
744 gtk_widget_set_composite_name (priv->html_scroll, "contents");
745 gtk_widget_pop_composite_child ();
746 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
750 priv->gtkhtml = gtk_html_new();
751 gtk_html_set_editable (GTK_HTML(priv->gtkhtml), FALSE);
752 gtk_html_allow_selection (GTK_HTML(priv->gtkhtml), TRUE);
753 gtk_html_set_caret_mode (GTK_HTML(priv->gtkhtml), FALSE);
754 gtk_html_set_blocking (GTK_HTML(priv->gtkhtml), FALSE);
755 gtk_html_set_images_blocking (GTK_HTML(priv->gtkhtml), FALSE);
757 priv->mail_header_view = GTK_WIDGET(modest_mail_header_view_new ());
758 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
760 priv->attachments_view = GTK_WIDGET(modest_attachments_view_new (NULL));
761 gtk_widget_set_no_show_all (priv->attachments_view, TRUE);
763 priv->sig1 = g_signal_connect (G_OBJECT(priv->gtkhtml), "link_clicked",
764 G_CALLBACK(on_link_clicked), obj);
765 priv->sig2 = g_signal_connect (G_OBJECT(priv->gtkhtml), "url_requested",
766 G_CALLBACK(on_url_requested), obj);
767 priv->sig3 = g_signal_connect (G_OBJECT(priv->gtkhtml), "on_url",
768 G_CALLBACK(on_link_hover), obj);
770 g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
771 G_CALLBACK (on_recpt_activated), obj);
773 g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
774 G_CALLBACK (on_attachment_activated), obj);
776 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
778 g_signal_connect (G_OBJECT (html_vadj), "changed",
779 G_CALLBACK (html_adjustment_changed), obj);
785 modest_msg_view_finalize (GObject *obj)
787 ModestMsgViewPrivate *priv;
788 priv = MODEST_MSG_VIEW_GET_PRIVATE (obj);
791 g_object_unref (G_OBJECT(priv->msg));
795 /* we cannot disconnect sigs, because priv->gtkhtml is
798 disconnect_vadjustment (MODEST_MSG_VIEW(obj));
799 disconnect_hadjustment (MODEST_MSG_VIEW(obj));
801 priv->gtkhtml = NULL;
802 priv->attachments_view = NULL;
804 G_OBJECT_CLASS(parent_class)->finalize (obj);
808 modest_msg_view_destroy (GtkObject *obj)
810 disconnect_vadjustment (MODEST_MSG_VIEW(obj));
811 disconnect_hadjustment (MODEST_MSG_VIEW(obj));
813 GTK_OBJECT_CLASS(parent_class)->destroy (obj);
817 modest_msg_view_get_vadjustment (ModestMsgView *msg_view)
819 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
822 modest_msg_view_set_vadjustment (msg_view, NULL);
829 modest_msg_view_get_hadjustment (ModestMsgView *msg_view)
831 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
834 modest_msg_view_set_hadjustment (msg_view, NULL);
841 modest_msg_view_set_hadjustment (ModestMsgView *msg_view, GtkAdjustment *hadj)
843 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
844 gboolean value_changed;
846 if (hadj && hadj == priv->hadj)
850 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
851 disconnect_hadjustment (msg_view);
852 g_object_ref (G_OBJECT (hadj));
853 gtk_object_sink (GTK_OBJECT (hadj));
855 set_hadjustment_values (msg_view, &value_changed);
857 g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
860 gtk_adjustment_changed (hadj);
862 gtk_adjustment_value_changed (hadj);
864 adjustment_value_changed (hadj, msg_view);
868 modest_msg_view_set_vadjustment (ModestMsgView *msg_view, GtkAdjustment *vadj)
870 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
871 gboolean value_changed;
873 if (vadj && vadj == priv->vadj)
877 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
878 disconnect_vadjustment (msg_view);
879 g_object_ref (G_OBJECT (vadj));
880 gtk_object_sink (GTK_OBJECT (vadj));
882 set_vadjustment_values (msg_view, &value_changed);
884 g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
887 gtk_adjustment_changed (vadj);
889 gtk_adjustment_value_changed (vadj);
891 adjustment_value_changed (vadj, msg_view);
895 modest_msg_view_new (TnyMsg *msg)
899 ModestMsgViewPrivate *priv;
901 obj = G_OBJECT(g_object_new(MODEST_TYPE_MSG_VIEW, NULL));
902 self = MODEST_MSG_VIEW(obj);
903 priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
905 gtk_widget_push_composite_child ();
906 priv->headers_box = gtk_vbox_new (0, FALSE);
907 gtk_widget_set_composite_name (priv->headers_box, "headers");
908 gtk_widget_pop_composite_child ();
910 if (priv->mail_header_view)
911 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
913 if (priv->attachments_view)
914 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->attachments_view, FALSE, FALSE, 0);
916 gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (self));
919 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->gtkhtml);
920 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(self));
923 modest_msg_view_set_message (self, msg);
925 return GTK_WIDGET(self);
929 on_recpt_activated (ModestMailHeaderView *header_view,
930 const gchar *address,
931 ModestMsgView * view)
933 g_signal_emit (G_OBJECT (view), signals[RECPT_ACTIVATED_SIGNAL], 0, address);
937 on_attachment_activated (ModestAttachmentsView * att_view, gint index, gpointer msg_view)
942 /* index is 1-based, so 0 indicates an error */
943 g_printerr ("modest: invalid attachment index: %d\n", index);
947 g_signal_emit (G_OBJECT(msg_view), signals[ATTACHMENT_CLICKED_SIGNAL],
952 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
954 g_return_val_if_fail (msg_view, FALSE);
956 g_signal_emit (G_OBJECT(msg_view), signals[LINK_CLICKED_SIGNAL],
964 on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
966 g_signal_emit (G_OBJECT(msg_view), signals[LINK_HOVER_SIGNAL],
975 find_cid_image (TnyMsg *msg, const gchar *cid)
977 TnyMimePart *part = NULL;
981 g_return_val_if_fail (msg, NULL);
982 g_return_val_if_fail (cid, NULL);
984 parts = TNY_LIST (tny_simple_list_new());
986 tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
987 iter = tny_list_create_iterator (parts);
989 while (!tny_iterator_is_done(iter)) {
990 const gchar *part_cid;
991 part = TNY_MIME_PART(tny_iterator_get_current(iter));
992 part_cid = tny_mime_part_get_content_id (part);
994 if (part_cid && strcmp (cid, part_cid) == 0)
997 g_object_unref (G_OBJECT(part));
1000 tny_iterator_next (iter);
1003 g_object_unref (G_OBJECT(iter));
1004 g_object_unref (G_OBJECT(parts));
1011 on_url_requested (GtkWidget *widget, const gchar *uri,
1012 GtkHTMLStream *stream, ModestMsgView *msg_view)
1014 ModestMsgViewPrivate *priv;
1015 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1017 if (g_str_has_prefix (uri, "cid:")) {
1018 /* +4 ==> skip "cid:" */
1019 TnyMimePart *part = find_cid_image (priv->msg, uri + 4);
1021 g_printerr ("modest: '%s' not found\n", uri + 4);
1022 gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
1024 TnyStream *tny_stream =
1025 TNY_STREAM(modest_tny_stream_gtkhtml_new(stream));
1026 tny_mime_part_decode_to_stream ((TnyMimePart*)part,
1028 gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
1030 g_object_unref (G_OBJECT(tny_stream));
1031 g_object_unref (G_OBJECT(part));
1039 set_html_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1041 GtkHTMLStream *gtkhtml_stream;
1042 TnyStream *tny_stream;
1043 ModestMsgViewPrivate *priv;
1045 g_return_val_if_fail (self, FALSE);
1046 g_return_val_if_fail (tny_body, FALSE);
1048 priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1050 gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1052 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1053 tny_stream_reset (tny_stream);
1055 tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, tny_stream);
1056 g_object_unref (G_OBJECT(tny_stream));
1058 gtk_html_stream_destroy (gtkhtml_stream);
1064 /* FIXME: this is a hack --> we use the tny_text_buffer_stream to
1065 * get the message text, then write to gtkhtml 'by hand' */
1067 set_text_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1070 GtkTextIter begin, end;
1071 TnyStream* txt_stream, *tny_stream;
1072 GtkHTMLStream *gtkhtml_stream;
1074 ModestMsgViewPrivate *priv;
1076 g_return_val_if_fail (self, FALSE);
1077 g_return_val_if_fail (tny_body, FALSE);
1079 priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1081 buf = gtk_text_buffer_new (NULL);
1082 txt_stream = TNY_STREAM(tny_gtk_text_buffer_stream_new (buf));
1084 tny_stream_reset (txt_stream);
1086 gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1087 tny_stream = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1090 tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, txt_stream);
1091 tny_stream_reset (txt_stream);
1093 gtk_text_buffer_get_bounds (buf, &begin, &end);
1094 txt = gtk_text_buffer_get_text (buf, &begin, &end, FALSE);
1096 gchar *html = modest_text_utils_convert_to_html (txt);
1097 tny_stream_write (tny_stream, html, strlen(html));
1098 tny_stream_reset (tny_stream);
1103 g_object_unref (G_OBJECT(tny_stream));
1104 g_object_unref (G_OBJECT(txt_stream));
1105 g_object_unref (G_OBJECT(buf));
1107 gtk_html_stream_destroy (gtkhtml_stream);
1114 set_empty_message (ModestMsgView *self)
1116 ModestMsgViewPrivate *priv;
1118 g_return_val_if_fail (self, FALSE);
1119 priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1121 gtk_html_load_from_string (GTK_HTML(priv->gtkhtml),
1129 modest_msg_view_set_message (ModestMsgView *self, TnyMsg *msg)
1132 ModestMsgViewPrivate *priv;
1135 g_return_if_fail (self);
1137 priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1138 gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1140 if (msg != priv->msg) {
1142 g_object_unref (G_OBJECT(priv->msg));
1144 g_object_ref (G_OBJECT(msg));
1149 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1150 gtk_widget_hide_all (priv->mail_header_view);
1151 gtk_widget_hide_all (priv->attachments_view);
1152 gtk_widget_set_no_show_all (priv->attachments_view, TRUE);
1153 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1154 set_empty_message (self);
1155 gtk_widget_queue_resize (GTK_WIDGET(self));
1156 gtk_widget_queue_draw (GTK_WIDGET(self));
1160 header = tny_msg_get_header (msg);
1161 tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1162 g_object_unref (header);
1164 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
1167 body = modest_tny_msg_find_body_part (msg,TRUE);
1169 if (tny_mime_part_content_type_is (body, "text/html"))
1170 set_html_message (self, body, msg);
1172 set_text_message (self, body, msg);
1174 set_empty_message (self);
1176 gtk_widget_show (priv->gtkhtml);
1177 gtk_widget_show_all (priv->mail_header_view);
1178 gtk_widget_show_all (priv->attachments_view);
1179 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1180 gtk_widget_queue_resize (GTK_WIDGET(self));
1181 gtk_widget_queue_draw (GTK_WIDGET(self));
1183 if (priv->hadj != NULL)
1184 priv->hadj->value = 0.0;
1185 if (priv->vadj != NULL)
1186 priv->vadj->value = 0.0;
1192 modest_msg_view_get_message (ModestMsgView *self)
1194 g_return_val_if_fail (self, NULL);
1196 return MODEST_MSG_VIEW_GET_PRIVATE(self)->msg;