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claws-mail/src/mimeview.c

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2003 Hiroyuki Yamamoto
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "defs.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtknotebook.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtkctree.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkvpaned.h>
#include <gtk/gtktext.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkmenu.h>
#include <gtk/gtkdnd.h>
#include <gtk/gtkselection.h>
#include <gtk/gtktooltips.h>
#include <gtk/gtkcontainer.h>
#include <gtk/gtkbutton.h>
#include <stdio.h>
#ifndef HAVE_APACHE_FNMATCH
/* kludge: apache's fnmatch clashes with <regex.h>, don't include
* fnmatch.h */
#include <fnmatch.h>
#endif
#include "main.h"
#include "mimeview.h"
#include "textview.h"
#include "procmime.h"
#include "summaryview.h"
#include "menu.h"
#include "filesel.h"
#include "alertpanel.h"
#include "inputdialog.h"
#include "utils.h"
#include "gtkutils.h"
#include "prefs_common.h"
#include "stock_pixmap.h"
#include "gtk/gtkvscrollbutton.h"
typedef enum
{
COL_MIMETYPE = 0,
COL_SIZE = 1,
COL_NAME = 2
} MimeViewColumnPos;
#define N_MIMEVIEW_COLS 3
static void mimeview_set_multipart_tree (MimeView *mimeview,
MimeInfo *mimeinfo,
GtkCTreeNode *parent);
static GtkCTreeNode *mimeview_append_part (MimeView *mimeview,
MimeInfo *partinfo,
GtkCTreeNode *parent);
static void mimeview_show_message_part (MimeView *mimeview,
MimeInfo *partinfo);
static void mimeview_change_view_type (MimeView *mimeview,
MimeViewType type);
gchar *mimeview_get_filename_for_part (MimeInfo *partinfo,
const gchar *basedir,
gint number);
static gboolean mimeview_write_part (const gchar *filename,
MimeInfo *partinfo);
static void mimeview_selected (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
MimeView *mimeview);
static void mimeview_start_drag (GtkWidget *widget,
gint button,
GdkEvent *event,
MimeView *mimeview);
static gint mimeview_button_pressed (GtkWidget *widget,
GdkEventButton *event,
MimeView *mimeview);
static gint mimeview_key_pressed (GtkWidget *widget,
GdkEventKey *event,
MimeView *mimeview);
static void mimeview_drag_data_get (GtkWidget *widget,
GdkDragContext *drag_context,
GtkSelectionData *selection_data,
guint info,
guint time,
MimeView *mimeview);
static void mimeview_display_as_text (MimeView *mimeview);
static void mimeview_save_as (MimeView *mimeview);
static void mimeview_save_all (MimeView *mimeview);
static void mimeview_launch (MimeView *mimeview);
static void mimeview_open_with (MimeView *mimeview);
static void mimeview_view_file (const gchar *filename,
MimeInfo *partinfo,
const gchar *cmdline,
MimeView *mimeview);
static gboolean icon_clicked_cb (GtkWidget *button,
GdkEventButton *event,
MimeView *mimeview);
static void icon_selected (MimeView *mimeview,
gint num,
MimeInfo *partinfo);
static gint icon_key_pressed (GtkWidget *button,
GdkEventKey *event,
MimeView *mimeview);
static void toggle_icon (GtkToggleButton *button,
MimeView *mimeview);
static void icon_list_append_icon (MimeView *mimeview,
MimeInfo *mimeinfo);
static void icon_list_create (MimeView *mimeview,
MimeInfo *mimeinfo);
static void icon_list_clear (MimeView *mimeview);
static void icon_list_toggle_by_mime_info (MimeView *mimeview,
MimeInfo *mimeinfo);
static gboolean icon_list_select_by_number(MimeView *mimeview,
gint number);
static void mime_toggle_button_cb (GtkWidget *button,
MimeView *mimeview);
static gboolean part_button_pressed (MimeView *mimeview,
GdkEventButton *event,
MimeInfo *partinfo);
static void icon_scroll_size_allocate_cb(GtkWidget *widget,
GtkAllocation *layout_size,
MimeView *mimeview);
static GtkItemFactoryEntry mimeview_popup_entries[] =
{
{N_("/_Open"), NULL, mimeview_launch, 0, NULL},
{N_("/Open _with..."), NULL, mimeview_open_with, 0, NULL},
{N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
{N_("/_Save as..."), NULL, mimeview_save_as, 0, NULL},
{N_("/Save _all..."), NULL, mimeview_save_all, 0, NULL},
};
static GtkTargetEntry mimeview_mime_types[] =
{
{"text/uri-list", 0, 0}
};
GSList *mimeviewer_factories;
GSList *mimeviews;
MimeView *mimeview_create(MainWindow *mainwin)
{
MimeView *mimeview;
GtkWidget *paned;
GtkWidget *scrolledwin;
GtkWidget *ctree;
GtkWidget *mime_notebook;
GtkWidget *popupmenu;
GtkWidget *ctree_mainbox;
GtkWidget *vbox;
GtkWidget *mime_toggle;
GtkWidget *icon_mainbox;
GtkWidget *icon_scroll;
GtkWidget *icon_vbox;
GtkWidget *arrow;
GtkWidget *scrollbutton;
GtkWidget *hbox;
GtkTooltips *tooltips;
GtkItemFactory *popupfactory;
NoticeView *siginfoview;
gchar *titles[N_MIMEVIEW_COLS];
gint n_entries;
gint i;
debug_print("Creating MIME view...\n");
mimeview = g_new0(MimeView, 1);
titles[COL_MIMETYPE] = _("MIME Type");
titles[COL_SIZE] = _("Size");
titles[COL_NAME] = _("Name");
scrolledwin = gtk_scrolled_window_new(NULL, NULL);
gtk_widget_show(scrolledwin);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
gtk_widget_show(ctree);
gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
GTK_JUSTIFY_RIGHT);
gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
for (i = 0; i < N_MIMEVIEW_COLS; i++)
GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
GTK_CAN_FOCUS);
gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
g_signal_connect(G_OBJECT(ctree), "tree_select_row",
G_CALLBACK(mimeview_selected), mimeview);
g_signal_connect(G_OBJECT(ctree), "button_release_event",
G_CALLBACK(mimeview_button_pressed), mimeview);
g_signal_connect(G_OBJECT(ctree), "key_press_event",
G_CALLBACK(mimeview_key_pressed), mimeview);
g_signal_connect(G_OBJECT (ctree),"start_drag",
G_CALLBACK (mimeview_start_drag), mimeview);
g_signal_connect(G_OBJECT(ctree), "drag_data_get",
G_CALLBACK(mimeview_drag_data_get), mimeview);
mime_notebook = gtk_notebook_new();
gtk_widget_show(mime_notebook);
GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
icon_vbox = gtk_vbox_new(FALSE, 2);
gtk_widget_show(icon_vbox);
icon_scroll = gtk_layout_new(NULL, NULL);
gtk_widget_show(icon_scroll);
gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
gtk_widget_show(scrollbutton);
mime_toggle = gtk_toggle_button_new();
gtk_widget_show(mime_toggle);
arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
gtk_widget_show(arrow);
gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
g_signal_connect(G_OBJECT(mime_toggle), "toggled",
G_CALLBACK(mime_toggle_button_cb), mimeview);
icon_mainbox = gtk_vbox_new(FALSE, 0);
gtk_widget_show(icon_mainbox);
gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
ctree_mainbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
n_entries = sizeof(mimeview_popup_entries) /
sizeof(mimeview_popup_entries[0]);
popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
"<MimeView>", &popupfactory, mimeview);
tooltips = gtk_tooltips_new();
gtk_tooltips_set_delay(tooltips, 0);
vbox = gtk_vbox_new(FALSE, 0);
gtk_widget_show(vbox);
siginfoview = noticeview_create(mainwin);
noticeview_hide(siginfoview);
noticeview_set_icon_clickable(siginfoview, TRUE);
gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
paned = gtk_vpaned_new();
gtk_widget_show(paned);
gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
hbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
gtk_widget_show(hbox);
gtk_widget_hide(ctree_mainbox);
mimeview->hbox = hbox;
mimeview->paned = paned;
mimeview->scrolledwin = scrolledwin;
mimeview->ctree = ctree;
mimeview->mime_notebook = mime_notebook;
mimeview->popupmenu = popupmenu;
mimeview->popupfactory = popupfactory;
mimeview->type = -1;
mimeview->ctree_mainbox = ctree_mainbox;
mimeview->icon_scroll = icon_scroll;
mimeview->icon_vbox = icon_vbox;
mimeview->icon_mainbox = icon_mainbox;
mimeview->icon_count = 0;
mimeview->mainwin = mainwin;
mimeview->tooltips = tooltips;
mimeview->oldsize = 60;
mimeview->mime_toggle = mime_toggle;
mimeview->siginfoview = siginfoview;
mimeview->target_list = gtk_target_list_new(mimeview_mime_types, 1);
mimeviews = g_slist_prepend(mimeviews, mimeview);
return mimeview;
}
void mimeview_init(MimeView *mimeview)
{
textview_init(mimeview->textview);
gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
GTK_WIDGET_PTR(mimeview->textview));
}
void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
const gchar *file)
{
GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
GtkCTreeNode *node;
mimeview_clear(mimeview);
g_return_if_fail(file != NULL);
g_return_if_fail(mimeinfo != NULL);
mimeview->mimeinfo = mimeinfo;
mimeview->file = g_strdup(file);
g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
mimeview);
mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
icon_list_create(mimeview, mimeinfo);
g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
mimeview_selected, mimeview);
node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
if (node) {
gtk_ctree_select(ctree, node);
icon_list_toggle_by_mime_info
(mimeview, gtk_ctree_node_get_row_data(ctree, node));
gtkut_ctree_set_focus_row(ctree, node);
}
}
#ifdef USE_PTHREAD
static void mimeview_check_sig_cancel_now(MimeView *mimeview);
#endif
static void mimeview_free_mimeinfo(MimeView *mimeview)
{
gboolean defer = FALSE;
#ifdef USE_PTHREAD
defer = (mimeview->check_data != NULL);
if (defer)
mimeview->check_data->free_after_use = TRUE;
#endif
if (mimeview->mimeinfo != NULL && !defer)
procmime_mimeinfo_free_all(mimeview->mimeinfo);
else if (defer) {
#ifdef USE_PTHREAD
debug_print("deferring free(mimeinfo) and cancelling check\n");
mimeview_check_sig_cancel_now(mimeview);
#endif
}
}
void mimeview_destroy(MimeView *mimeview)
{
GSList *cur;
for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
MimeViewer *viewer = (MimeViewer *) cur->data;
viewer->destroy_viewer(viewer);
}
g_slist_free(mimeview->viewers);
gtk_target_list_unref(mimeview->target_list);
mimeview_free_mimeinfo(mimeview);
#ifdef USE_PTHREAD
if (mimeview->check_data) {
mimeview->check_data->destroy_mimeview = TRUE;
debug_print("deferring destroy\n");
} else
#endif
{
g_free(mimeview->file);
g_free(mimeview);
mimeviews = g_slist_remove(mimeviews, mimeview);
}
}
MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
{
return gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
}
static void mimeview_set_multipart_tree(MimeView *mimeview,
MimeInfo *mimeinfo,
GtkCTreeNode *parent)
{
GtkCTreeNode *node;
g_return_if_fail(mimeinfo != NULL);
while (mimeinfo != NULL) {
node = mimeview_append_part(mimeview, mimeinfo, parent);
if (mimeinfo->node->children)
mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
}
}
static const gchar *get_part_name(MimeInfo *partinfo)
{
const gchar *name;
name = procmime_mimeinfo_get_parameter(partinfo, "filename");
if (name == NULL)
name = procmime_mimeinfo_get_parameter(partinfo, "name");
if (name == NULL)
name = "";
return name;
}
static const gchar *get_part_description(MimeInfo *partinfo)
{
if (partinfo->description)
return partinfo->description;
else
return get_part_name(partinfo);
}
static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
MimeInfo *partinfo,
GtkCTreeNode *parent)
{
GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
GtkCTreeNode *node;
static gchar content_type[64];
gchar *str[N_MIMEVIEW_COLS];
if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
} else {
g_snprintf(content_type, 64, "UNKNOWN");
}
str[COL_MIMETYPE] = content_type;
str[COL_SIZE] = to_human_readable(partinfo->length);
if (prefs_common.attach_desc)
str[COL_NAME] = (gchar *) get_part_description(partinfo);
else
str[COL_NAME] = (gchar *) get_part_name(partinfo);
node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
NULL, NULL, NULL, NULL,
FALSE, TRUE);
gtk_ctree_node_set_row_data(ctree, node, partinfo);
return node;
}
static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
{
FILE *fp;
const gchar *fname;
if (!partinfo) return;
fname = mimeview->file;
if (!fname) return;
if ((fp = g_fopen(fname, "rb")) == NULL) {
FILE_OP_ERROR(fname, "fopen");
return;
}
if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
FILE_OP_ERROR(mimeview->file, "fseek");
fclose(fp);
return;
}
mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
textview_show_part(mimeview->textview, partinfo, fp);
fclose(fp);
}
static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
{
GSList *cur;
MimeViewerFactory *factory = NULL;
MimeViewer *viewer = NULL;
/*
* FNM_CASEFOLD is a GNU extension
* if its not defined copy the string to the stack and
* convert the copy to lower case
*/
#ifndef FNM_CASEFOLD
#define FNM_CASEFOLD 0
Xstrdup_a(content_type, content_type, return NULL);
g_strdown((gchar *)content_type);
#endif
for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
MimeViewerFactory *curfactory = cur->data;
gint i = 0;
while (curfactory->content_types[i] != NULL) {
if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
debug_print("%s\n", curfactory->content_types[i]);
factory = curfactory;
break;
}
i++;
}
if (factory != NULL)
break;
}
if (factory == NULL)
return NULL;
for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
MimeViewer *curviewer = cur->data;
if (curviewer->factory == factory)
return curviewer;
}
viewer = factory->create_viewer();
gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
GTK_WIDGET(viewer->get_widget(viewer)));
mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
return viewer;
}
static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
{
gchar *content_type = NULL;
MimeViewer *viewer = NULL;
if ((partinfo->type == MIMETYPE_APPLICATION) &&
(!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
const gchar *filename;
filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
if (filename == NULL)
filename = procmime_mimeinfo_get_parameter(partinfo, "name");
if (filename != NULL)
content_type = procmime_get_mime_type(filename);
} else {
content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
}
if (content_type != NULL) {
viewer = get_viewer_for_content_type(mimeview, content_type);
g_free(content_type);
}
return viewer;
}
gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
{
MimeViewer *viewer;
viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
if (viewer == NULL) {
if (mimeview->mimeviewer != NULL)
mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
mimeview->mimeviewer = NULL;
return FALSE;
}
if (mimeview->mimeviewer != NULL)
mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
if (mimeview->mimeviewer != viewer) {
mimeview->mimeviewer = viewer;
mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
}
viewer->show_mimepart(viewer, mimeview->file, partinfo);
return TRUE;
}
static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
{
TextView *textview = mimeview->textview;
if ((mimeview->type != MIMEVIEW_VIEWER) &&
(mimeview->type == type)) return;
switch (type) {
case MIMEVIEW_TEXT:
gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
GTK_WIDGET_PTR(textview)));
break;
case MIMEVIEW_VIEWER:
gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
break;
default:
return;
}
mimeview->type = type;
}
void mimeview_clear(MimeView *mimeview)
{
GtkCList *clist = GTK_CLIST(mimeview->ctree);
noticeview_hide(mimeview->siginfoview);
gtk_clist_clear(clist);
textview_clear(mimeview->textview);
if (mimeview->mimeviewer != NULL)
mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
mimeview_free_mimeinfo(mimeview);
mimeview->mimeinfo = NULL;
mimeview->opened = NULL;
g_free(mimeview->file);
mimeview->file = NULL;
icon_list_clear(mimeview);
}
static void check_signature_cb(GtkWidget *widget, gpointer user_data);
void mimeview_check_signature(MimeView *mimeview);
static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
gboolean special, SignatureStatus code)
{
gchar *text = NULL, *button_text = NULL;
void *func = NULL;
StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
SignatureStatus mycode = SIGNATURE_UNCHECKED;
g_return_if_fail(mimeview != NULL);
g_return_if_fail(mimeinfo != NULL);
if (special)
mycode = code;
else
mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
switch (mycode) {
case SIGNATURE_UNCHECKED:
button_text = _("Check signature");
func = check_signature_cb;
icon = STOCK_PIXMAP_PRIVACY_SIGNED;
break;
case SIGNATURE_OK:
button_text = _("View full information");
func = display_full_info_cb;
icon = STOCK_PIXMAP_PRIVACY_PASSED;
break;
case SIGNATURE_WARN:
button_text = _("View full information");
func = display_full_info_cb;
icon = STOCK_PIXMAP_PRIVACY_WARN;
break;
case SIGNATURE_INVALID:
button_text = _("View full information");
func = display_full_info_cb;
icon = STOCK_PIXMAP_PRIVACY_FAILED;
break;
case SIGNATURE_CHECK_FAILED:
button_text = _("Check again");
func = check_signature_cb;
icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
case SIGNATURE_CHECK_TIMEOUT:
button_text = _("Check again");
func = check_signature_cb;
icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
default:
break;
}
if (mycode == SIGNATURE_UNCHECKED) {
gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
text = g_strdup_printf("%s %s",
tmp, _("Click the icon or hit 'C' to check it."));
g_free(tmp);
} else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
text = privacy_mimeinfo_sig_info_short(mimeinfo);
} else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
}
noticeview_set_text(mimeview->siginfoview, text);
gtk_label_set_selectable(mimeview->siginfoview->text, TRUE);
g_free(text);
noticeview_set_button_text(mimeview->siginfoview, NULL);
noticeview_set_button_press_callback(
mimeview->siginfoview,
G_CALLBACK(func),
(gpointer) mimeview);
noticeview_set_icon(mimeview->siginfoview, icon);
noticeview_set_tooltip(mimeview->siginfoview, button_text);
}
#ifdef USE_PTHREAD
/* reset all thread stuff, and do the cleanups we've been left to do */
static void mimeview_check_data_reset(MimeView *mimeview)
{
if (!mimeview->check_data)
return;
if (mimeview->check_data->free_after_use) {
debug_print("freeing deferred mimeinfo\n");
procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
}
if (mimeview->check_data->destroy_mimeview) {
debug_print("freeing deferred mimeview\n");
g_free(mimeview->file);
g_free(mimeview);
mimeviews = g_slist_remove(mimeviews, mimeview);
}
g_free(mimeview->check_data);
mimeview->check_data = NULL;
}
/* GUI update once the checker thread is done or killed */
static gboolean mimeview_check_sig_thread_cb(void *data)
{
MimeView *mimeview = (MimeView *) data;
MimeInfo *mimeinfo = mimeview->siginfo;
debug_print("mimeview_check_sig_thread_cb\n");
if (mimeinfo == NULL) {
/* message changed !? */
g_warning("no more siginfo!\n");
goto end;
}
if (!mimeview->check_data) {
g_warning("nothing to check\n");
return FALSE;
}
if (mimeview->check_data->siginfo != mimeinfo) {
/* message changed !? */
g_warning("different siginfo!\n");
goto end;
}
if (mimeview->check_data->destroy_mimeview ||
mimeview->check_data->free_after_use) {
debug_print("not bothering, we're changing message\n");
goto end;
}
/* update status */
if (mimeview->check_data->timeout)
update_signature_noticeview(mimeview, mimeview->siginfo,
TRUE, SIGNATURE_CHECK_TIMEOUT);
else
update_signature_noticeview(mimeview, mimeview->siginfo,
FALSE, 0);
icon_list_clear(mimeview);
icon_list_create(mimeview, mimeview->mimeinfo);
end:
mimeview_check_data_reset(mimeview);
return FALSE;
}
/* sig checker thread */
static void *mimeview_check_sig_worker_thread(void *data)
{
MimeView *mimeview = (MimeView *)data;
MimeInfo *mimeinfo = mimeview->siginfo;
debug_print("checking...\n");
if (!mimeview->check_data)
return NULL;
if (mimeinfo && mimeinfo == mimeview->check_data->siginfo)
privacy_mimeinfo_check_signature(mimeinfo);
else {
/* that's strange! we changed message without
* getting killed. */
g_warning("different siginfo!\n");
mimeview_check_data_reset(mimeview);
return NULL;
}
/* use g_timeout so that GUI updates is done from the
* correct thread */
g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
return NULL;
}
/* killer thread - acts when the checker didn't work fast
* enough. */
static void *mimeview_check_sig_cancel_thread(void *data)
{
MimeView *mimeview = (MimeView *)data;
if (!mimeview->check_data)
return NULL; /* nothing to kill ! */
/* wait for a few seconds... */
debug_print("waiting a while\n");
sleep(5);
if (!mimeview->check_data)
return NULL; /* nothing to kill, it's done in time :) */
/* too late, go away checker thread */
debug_print("killing checker thread\n");
pthread_cancel(mimeview->check_data->th);
/* tell upstream it was a timeout */
mimeview->check_data->timeout = TRUE;
/* use g_timeout so that GUI updates is done from the
* correct thread */
g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
return NULL;
}
/* get rid of the checker thread right now - used when changing the
* displayed message for example. */
static void mimeview_check_sig_cancel_now(MimeView *mimeview)
{
if (!mimeview->check_data)
return;
debug_print("killing checker thread NOW\n");
pthread_cancel(mimeview->check_data->th);
/* tell upstream it was a timeout */
mimeview->check_data->timeout = TRUE;
mimeview_check_sig_thread_cb(mimeview);
return;
}
/* creates a thread to check the signature, and a second one
* to kill the first one after a timeout */
static void mimeview_check_sig_in_thread(MimeView *mimeview)
{
pthread_t th, th2;
pthread_attr_t detach, detach2;
if (mimeview->check_data) {
g_warning("already checking it");
return;
}
mimeview->check_data = g_new0(SigCheckData, 1);
mimeview->check_data->siginfo = mimeview->siginfo;
debug_print("creating thread\n");
pthread_attr_init(&detach);
pthread_attr_setdetachstate(&detach, TRUE);
pthread_attr_init(&detach2);
pthread_attr_setdetachstate(&detach2, TRUE);
/* create the checker thread */
if (pthread_create(&th, &detach,
mimeview_check_sig_worker_thread,
mimeview) != 0) {
/* arh. We'll do it synchronously. */
g_warning("can't create thread");
g_free(mimeview->check_data);
mimeview->check_data = NULL;
return;
} else
mimeview->check_data->th = th;
/* create the killer thread */
pthread_create(&th2, &detach2,
mimeview_check_sig_cancel_thread,
mimeview);
}
#endif
static void check_signature_cb(GtkWidget *widget, gpointer user_data)
{
MimeView *mimeview = (MimeView *) user_data;
MimeInfo *mimeinfo = mimeview->siginfo;
if (mimeinfo == NULL)
return;
#ifdef USE_PTHREAD
if (mimeview->check_data)
return;
#endif
noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
GTK_EVENTS_FLUSH();
#if (defined USE_PTHREAD && defined __GLIBC__ && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)))
/* let's do it non-blocking */
mimeview_check_sig_in_thread(mimeview);
if (!mimeview->check_data) /* let's check syncronously */
#endif
{
debug_print("checking without thread\n");
privacy_mimeinfo_check_signature(mimeinfo);
update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
icon_list_clear(mimeview);
icon_list_create(mimeview, mimeview->mimeinfo);
}
}
void mimeview_check_signature(MimeView *mimeview)
{
check_signature_cb(NULL, mimeview);
}
static void redisplay_email(GtkWidget *widget, gpointer user_data)
{
MimeView *mimeview = (MimeView *) user_data;
GtkCTreeNode *node = mimeview->opened;
mimeview->opened = NULL;
mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
}
static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
{
MimeView *mimeview = (MimeView *) user_data;
gchar *siginfo;
siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
textview_set_text(mimeview->textview, siginfo);
g_free(siginfo);
noticeview_set_button_text(mimeview->siginfoview, NULL);
noticeview_set_button_press_callback(
mimeview->siginfoview,
G_CALLBACK(redisplay_email),
(gpointer) mimeview);
noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
}
static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
{
MimeInfo *siginfo;
MimeInfo *first_text;
g_return_if_fail(mimeview != NULL);
g_return_if_fail(selected != NULL);
if (selected->type == MIMETYPE_MESSAGE
&& !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
/* if the first text part is signed, check that */
first_text = selected;
while (first_text && first_text->type != MIMETYPE_TEXT) {
first_text = procmime_mimeinfo_next(first_text);
}
if (first_text) {
update_signature_info(mimeview, first_text);
return;
}
}
siginfo = selected;
while (siginfo != NULL) {
if (privacy_mimeinfo_is_signed(siginfo))
break;
siginfo = procmime_mimeinfo_parent(siginfo);
}
mimeview->siginfo = siginfo;
if (siginfo == NULL) {
noticeview_hide(mimeview->siginfoview);
return;
}
update_signature_noticeview(mimeview, siginfo, FALSE, 0);
noticeview_show(mimeview->siginfoview);
}
static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
MimeView *mimeview)
{
MimeInfo *partinfo;
if (mimeview->opened == node) return;
mimeview->opened = node;
gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
partinfo = gtk_ctree_node_get_row_data(ctree, node);
if (!partinfo) return;
/* ungrab the mouse event */
if (GTK_WIDGET_HAS_GRAB(ctree)) {
gtk_grab_remove(GTK_WIDGET(ctree));
if (gdk_pointer_is_grabbed())
gdk_pointer_ungrab(GDK_CURRENT_TIME);
}
mimeview->textview->default_text = FALSE;
update_signature_info(mimeview, partinfo);
if (!mimeview_show_part(mimeview, partinfo)) {
switch (partinfo->type) {
case MIMETYPE_TEXT:
case MIMETYPE_MESSAGE:
case MIMETYPE_MULTIPART:
mimeview_show_message_part(mimeview, partinfo);
break;
default:
mimeview->textview->default_text = TRUE;
mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
textview_show_mime_part(mimeview->textview, partinfo);
break;
}
}
}
static void mimeview_start_drag(GtkWidget *widget, gint button,
GdkEvent *event, MimeView *mimeview)
{
GdkDragContext *context;
MimeInfo *partinfo;
g_return_if_fail(mimeview != NULL);
partinfo = mimeview_get_selected_part(mimeview);
if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
context = gtk_drag_begin(widget, mimeview->target_list,
GDK_ACTION_COPY, button, event);
gtk_drag_set_icon_default(context);
}
static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
MimeView *mimeview)
{
GtkCList *clist = GTK_CLIST(widget);
gint row, column;
if (!event) return FALSE;
if (event->button == 2 || event->button == 3) {
if (!gtk_clist_get_selection_info(clist, event->x, event->y,
&row, &column))
return FALSE;
gtk_clist_unselect_all(clist);
gtk_clist_select_row(clist, row, column);
gtkut_clist_set_focus_row(clist, row);
}
part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
return FALSE;
}
/* from gdkevents.c */
#define DOUBLE_CLICK_TIME 250
static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
MimeInfo *partinfo)
{
static MimeInfo *lastinfo;
static guint32 lasttime;
if (event->button == 2 ||
(event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
/* call external program for image, audio or html */
mimeview_launch(mimeview);
return TRUE;
} else if (event->button == 3) {
if (partinfo && (partinfo->type == MIMETYPE_TEXT ||
partinfo->type == MIMETYPE_MESSAGE ||
partinfo->type == MIMETYPE_IMAGE ||
partinfo->type == MIMETYPE_MULTIPART))
menu_set_sensitive(mimeview->popupfactory,
"/Display as text", FALSE);
else
menu_set_sensitive(mimeview->popupfactory,
"/Display as text", TRUE);
if (partinfo &&
partinfo->type == MIMETYPE_APPLICATION &&
!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
menu_set_sensitive(mimeview->popupfactory,
"/Open", FALSE);
else
menu_set_sensitive(mimeview->popupfactory,
"/Open", TRUE);
g_object_set_data(G_OBJECT(mimeview->popupmenu),
"pop_partinfo", partinfo);
gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
NULL, NULL, NULL, NULL,
event->button, event->time);
return TRUE;
}
lastinfo = partinfo;
lasttime = event->time;
return FALSE;
}
void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
{
mimeview_key_pressed(mimeview->ctree, event, mimeview);
}
#define BREAK_ON_MODIFIER_KEY() \
if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
#define KEY_PRESS_EVENT_STOP() \
g_signal_stop_emission_by_name(G_OBJECT(ctree), \
"key_press_event");
static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
MimeView *mimeview)
{
SummaryView *summaryview;
GtkCTree *ctree = GTK_CTREE(widget);
GtkCTreeNode *node;
if (!event) return FALSE;
if (!mimeview->opened) return FALSE;
summaryview = mimeview->messageview->mainwin->summaryview;
if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
return FALSE;
switch (event->keyval) {
case GDK_space:
if (textview_scroll_page(mimeview->textview, FALSE))
return TRUE;
node = GTK_CTREE_NODE_NEXT(mimeview->opened);
if (node) {
gtk_sctree_unselect_all(GTK_SCTREE(ctree));
gtk_sctree_select(GTK_SCTREE(ctree), node);
return TRUE;
}
break;
case GDK_BackSpace:
textview_scroll_page(mimeview->textview, TRUE);
return TRUE;
case GDK_Return:
textview_scroll_one_line(mimeview->textview,
(event->state & GDK_MOD1_MASK) != 0);
return TRUE;
case GDK_n:
case GDK_N:
BREAK_ON_MODIFIER_KEY();
if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
KEY_PRESS_EVENT_STOP();
g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
GTK_SCROLL_STEP_FORWARD, 0.0);
return TRUE;
case GDK_p:
case GDK_P:
BREAK_ON_MODIFIER_KEY();
if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
KEY_PRESS_EVENT_STOP();
g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
GTK_SCROLL_STEP_BACKWARD, 0.0);
return TRUE;
case GDK_y:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_save_as(mimeview);
return TRUE;
case GDK_t:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_display_as_text(mimeview);
return TRUE;
case GDK_l:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_launch(mimeview);
return TRUE;
case GDK_o:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_open_with(mimeview);
return TRUE;
case GDK_c:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_check_signature(mimeview);
return TRUE;
default:
break;
}
if (!mimeview->messageview->mainwin) return FALSE;
summary_pass_key_press_event(summaryview, event);
return TRUE;
}
static void mimeview_drag_data_get(GtkWidget *widget,
GdkDragContext *drag_context,
GtkSelectionData *selection_data,
guint info,
guint time,
MimeView *mimeview)
{
gchar *filename, *uriname, *tmp;
MimeInfo *partinfo;
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = mimeview_get_selected_part(mimeview);
if (!partinfo) return;
filename = g_path_get_basename(get_part_name(partinfo));
if (*filename == '\0') return;
tmp = filename;
filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
filename, NULL);
g_free(tmp);
if (procmime_get_part(filename, partinfo) < 0)
alertpanel_error
(_("Can't save the part of multipart message."));
uriname = g_strconcat("file://", filename, NULL);
gtk_selection_data_set(selection_data, selection_data->target, 8,
uriname, strlen(uriname));
g_free(uriname);
g_free(filename);
}
/**
* Returns a filename (with path) for an attachment
* \param partinfo The attachment to save
* \param basedir The target directory
* \param number Used for dummy filename if attachment is unnamed
*/
gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
const gchar *basedir,
gint number)
{
gchar *fullname;
gchar *filename;
filename = g_strdup(get_part_name(partinfo));
if (!filename || !*filename)
filename = g_strdup_printf("noname.%d", number);
if (!g_utf8_validate(filename, -1, NULL)) {
gchar *tmp = conv_filename_to_utf8(filename);
g_free(filename);
filename = tmp;
}
subst_for_filename(filename);
fullname = g_strconcat
(basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
? &filename[1] : filename, NULL);
g_free(filename);
filename = conv_filename_from_utf8(fullname);
g_free(fullname);
return filename;
}
/**
* Write a single attachment to file
* \param filename Filename with path
* \param partinfo Attachment to save
*/
static gboolean mimeview_write_part(const gchar *filename,
MimeInfo *partinfo)
{
gchar *dir;
dir= g_path_get_dirname(filename);
if (!is_dir_exist(dir))
make_dir_hier(dir);
g_free(dir);
if (is_file_exist(filename)) {
AlertValue aval;
gchar *res;
gchar *tmp;
if (!g_utf8_validate(filename, -1, NULL))
tmp = conv_filename_to_utf8(filename);
else
tmp = g_strdup(filename);
res = g_strdup_printf(_("Overwrite existing file '%s'?"),
tmp);
g_free(tmp);
aval = alertpanel(_("Overwrite"), res, GTK_STOCK_OK,
GTK_STOCK_CANCEL, NULL);
g_free(res);
if (G_ALERTDEFAULT != aval) return FALSE;
}
if (procmime_get_part(filename, partinfo) < 0) {
alertpanel_error
(_("Can't save the part of multipart message."));
return FALSE;
}
return TRUE;
}
/**
* Menu callback: Save all attached files
* \param mimeview Current display
*/
static void mimeview_save_all(MimeView *mimeview)
{
MimeInfo *partinfo;
gchar *dirname;
gchar *startdir = NULL;
gint number = 1;
if (!mimeview->opened) return;
if (!mimeview->file) return;
if (!mimeview->mimeinfo) return;
partinfo = mimeview->mimeinfo;
if (prefs_common.attach_save_dir)
startdir = g_strconcat(prefs_common.attach_save_dir,
G_DIR_SEPARATOR_S, NULL);
dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
if (!dirname) {
if (startdir) g_free(startdir);
return;
}
if (!is_dir_exist (dirname)) {
alertpanel_error(_("'%s' is not a directory."),
dirname);
if (startdir) g_free(startdir);
return;
}
if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
dirname[strlen(dirname)-1] = '\0';
/* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
partinfo = procmime_mimeinfo_next(partinfo);
if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
partinfo = procmime_mimeinfo_next(partinfo);
if (partinfo && partinfo->type == MIMETYPE_TEXT)
partinfo = procmime_mimeinfo_next(partinfo);
}
while (partinfo != NULL) {
if (partinfo->type != MIMETYPE_MESSAGE &&
partinfo->type != MIMETYPE_MULTIPART &&
partinfo->disposition != DISPOSITIONTYPE_INLINE) {
gchar *filename = mimeview_get_filename_for_part
(partinfo, dirname, number++);
mimeview_write_part(filename, partinfo);
g_free(filename);
}
partinfo = procmime_mimeinfo_next(partinfo);
}
if (prefs_common.attach_save_dir)
g_free(prefs_common.attach_save_dir);
prefs_common.attach_save_dir = g_strdup(dirname);
if (startdir) g_free(startdir);
}
/**
* Menu callback: Save the selected attachment
* \param mimeview Current display
*/
static void mimeview_save_as(MimeView *mimeview)
{
gchar *filename;
gchar *filepath = NULL;
gchar *filedir = NULL;
MimeInfo *partinfo;
gchar *partname = NULL;
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = mimeview_get_selected_part(mimeview);
if (!partinfo) {
partinfo = (MimeInfo *) g_object_get_data
(G_OBJECT(mimeview->popupmenu),
"pop_partinfo");
g_object_set_data(G_OBJECT(mimeview->popupmenu),
"pop_partinfo", NULL);
}
g_return_if_fail(partinfo != NULL);
if (get_part_name(partinfo) == NULL) {
return;
}
partname = g_strdup(get_part_name(partinfo));
if (!g_utf8_validate(partname, -1, NULL)) {
gchar *tmp = conv_filename_to_utf8(partname);
g_free(partname);
partname = tmp;
}
subst_for_filename(partname);
if (prefs_common.attach_save_dir)
filepath = g_strconcat(prefs_common.attach_save_dir,
G_DIR_SEPARATOR_S, partname, NULL);
else
filepath = g_strdup(partname);
g_free(partname);
filename = filesel_select_file_save(_("Save as"), filepath);
if (!filename) {
g_free(filepath);
return;
}
mimeview_write_part(filename, partinfo);
filedir = g_path_get_dirname(filename);
if (filedir && strcmp(filedir, ".")) {
if (prefs_common.attach_save_dir)
g_free(prefs_common.attach_save_dir);
prefs_common.attach_save_dir = g_strdup(filedir);
}
g_free(filedir);
g_free(filepath);
}
static void mimeview_display_as_text(MimeView *mimeview)
{
MimeInfo *partinfo;
if (!mimeview->opened) return;
partinfo = mimeview_get_selected_part(mimeview);
if (!partinfo) {
partinfo = (MimeInfo *) g_object_get_data
(G_OBJECT(mimeview->popupmenu),
"pop_partinfo");
g_object_set_data(G_OBJECT(mimeview->popupmenu),
"pop_partinfo", NULL);
}
g_return_if_fail(partinfo != NULL);
mimeview_show_message_part(mimeview, partinfo);
}
static void mimeview_launch(MimeView *mimeview)
{
MimeInfo *partinfo;
gchar *filename;
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = mimeview_get_selected_part(mimeview);
if (!partinfo) {
partinfo = (MimeInfo *) g_object_get_data
(G_OBJECT(mimeview->popupmenu),
"pop_partinfo");
g_object_set_data(G_OBJECT(mimeview->popupmenu),
"pop_partinfo", NULL);
}
g_return_if_fail(partinfo != NULL);
filename = procmime_get_tmp_file_name(partinfo);
if (procmime_get_part(filename, partinfo) < 0)
alertpanel_error
(_("Can't save the part of multipart message."));
else
mimeview_view_file(filename, partinfo, NULL, mimeview);
g_free(filename);
}
static void mimeview_open_with(MimeView *mimeview)
{
MimeInfo *partinfo;
gchar *filename;
gchar *cmd;
gchar *mime_command = NULL;
gchar *content_type = NULL;
if (!mimeview) return;
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = mimeview_get_selected_part(mimeview);
if (!partinfo) {
partinfo = (MimeInfo *) g_object_get_data
(G_OBJECT(mimeview->popupmenu),
"pop_partinfo");
g_object_set_data(G_OBJECT(mimeview->popupmenu),
"pop_partinfo", NULL);
}
g_return_if_fail(partinfo != NULL);
filename = procmime_get_tmp_file_name(partinfo);
if (procmime_get_part(filename, partinfo) < 0) {
alertpanel_error
(_("Can't save the part of multipart message."));
g_free(filename);
return;
}
if (!prefs_common.mime_open_cmd_history)
prefs_common.mime_open_cmd_history =
add_history(NULL, prefs_common.mime_open_cmd);
content_type = procmime_get_content_type_str(partinfo->type,
partinfo->subtype);
mime_command = mailcap_get_command_for_type(content_type);
g_free(content_type);
cmd = input_dialog_combo
(_("Open with"),
_("Enter the command line to open file:\n"
"('%s' will be replaced with file name)"),
mime_command ? mime_command : prefs_common.mime_open_cmd,
prefs_common.mime_open_cmd_history,
TRUE);
g_free(mime_command);
if (cmd) {
mimeview_view_file(filename, partinfo, cmd, mimeview);
g_free(prefs_common.mime_open_cmd);
prefs_common.mime_open_cmd = cmd;
prefs_common.mime_open_cmd_history =
add_history(prefs_common.mime_open_cmd_history, cmd);
}
g_free(filename);
}
static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
const gchar *cmdline, MimeView *mimeview)
{
static gchar *default_image_cmdline = DEFAULT_IMAGE_VIEWER_CMD;
static gchar *default_audio_cmdline = DEFAULT_AUDIO_PLAYER_CMD;
static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
static gchar *mime_cmdline = DEFAULT_MIME_CMD;
gchar buf[1024];
gchar m_buf[1024];
const gchar *cmd;
const gchar *def_cmd;
const gchar *p;
if (cmdline) {
cmd = cmdline;
def_cmd = NULL;
} else if (MIMETYPE_APPLICATION == partinfo->type &&
!g_ascii_strcasecmp(partinfo->subtype, "octet-stream")) {
mimeview_open_with(mimeview);
return;
} else if (MIMETYPE_IMAGE == partinfo->type) {
cmd = prefs_common.mime_image_viewer;
def_cmd = default_image_cmdline;
} else if (MIMETYPE_AUDIO == partinfo->type) {
cmd = prefs_common.mime_audio_player;
def_cmd = default_audio_cmdline;
} else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
cmd = prefs_common.uri_cmd;
def_cmd = default_html_cmdline;
} else {
gchar *content_type;
content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
content_type, "%s");
g_free(content_type);
cmd = m_buf;
def_cmd = NULL;
}
if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
!strchr(p + 2, '%'))
g_snprintf(buf, sizeof(buf), cmd, filename);
else {
if (cmd)
g_warning("MIME viewer command line is invalid: '%s'", cmd);
if (def_cmd)
g_snprintf(buf, sizeof(buf), def_cmd, filename);
else {
mimeview_open_with(mimeview);
return;
}
}
if (execute_command_line(buf, TRUE) != 0)
mimeview_open_with(mimeview);
}
void mimeview_register_viewer_factory(MimeViewerFactory *factory)
{
mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
}
static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
{
return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
}
void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
{
GSList *mimeview_list, *viewer_list;
for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
MimeView *mimeview = (MimeView *) mimeview_list->data;
if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
mimeview->mimeviewer = NULL;
}
while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
mimeviewer->destroy_viewer(mimeviewer);
mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
}
}
mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
}
static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
{
gint num;
MimeInfo *partinfo;
num = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
icon_selected(mimeview, num, partinfo);
gtk_widget_grab_focus(button);
if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
if (event->button == 2 || event->button == 3)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
TRUE);
}
part_button_pressed(mimeview, event, partinfo);
return FALSE;
}
static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
{
GtkCTreeNode *node;
node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
if (node)
gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
}
#undef KEY_PRESS_EVENT_STOP
#define KEY_PRESS_EVENT_STOP() \
g_signal_stop_emission_by_name(G_OBJECT(button), \
"key_press_event");
static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
MimeView *mimeview)
{
gint num;
MimeInfo *partinfo;
SummaryView *summaryview;
TextView *textview;
num = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
if (!event) return FALSE;
textview = mimeview->textview;
switch (event->keyval) {
case GDK_space:
if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
/* stop the button being untoggled */
KEY_PRESS_EVENT_STOP();
if (textview_scroll_page(textview, FALSE))
return TRUE;
if (icon_list_select_by_number(mimeview, num + 1))
return TRUE;
} else {
icon_selected(mimeview, num, partinfo);
toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
return TRUE;
}
break;
case GDK_BackSpace:
textview_scroll_page(textview, TRUE);
return TRUE;
case GDK_Return:
if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
KEY_PRESS_EVENT_STOP();
textview_scroll_one_line(textview,
(event->state & GDK_MOD1_MASK) != 0);
return TRUE;
} else {
icon_selected(mimeview, num, partinfo);
toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
return TRUE;
}
case GDK_n:
case GDK_N:
BREAK_ON_MODIFIER_KEY();
if (icon_list_select_by_number(mimeview, num + 1)) {
KEY_PRESS_EVENT_STOP();
return TRUE;
}
break;
case GDK_p:
case GDK_P:
BREAK_ON_MODIFIER_KEY();
if (icon_list_select_by_number(mimeview, num - 1)) {
KEY_PRESS_EVENT_STOP();
return TRUE;
}
break;
case GDK_y:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_save_as(mimeview);
return TRUE;
case GDK_t:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_display_as_text(mimeview);
return TRUE;
case GDK_l:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_launch(mimeview);
return TRUE;
case GDK_o:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_open_with(mimeview);
return TRUE;
case GDK_c:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_check_signature(mimeview);
return TRUE;
default:
break;
}
if (!mimeview->messageview->mainwin) return FALSE;
summaryview = mimeview->messageview->mainwin->summaryview;
summary_pass_key_press_event(summaryview, event);
return TRUE;
}
static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
{
GList *child;
child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
for (; child != NULL; child = g_list_next(child)) {
if (GTK_IS_TOGGLE_BUTTON(child->data) &&
GTK_TOGGLE_BUTTON(child->data) != button &&
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON(child->data),
FALSE);
}
}
static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
{
GtkWidget *pixmap = NULL;
GtkWidget *vbox;
GtkWidget *button;
gchar *tip;
gchar *tiptmp;
const gchar *desc = NULL;
gchar *sigshort = NULL;
gchar *content_type;
StockPixmap stockp;
MimeInfo *partinfo;
MimeInfo *siginfo = NULL;
MimeInfo *encrypted = NULL;
vbox = mimeview->icon_vbox;
mimeview->icon_count++;
button = gtk_toggle_button_new();
gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
g_object_set_data(G_OBJECT(button), "icon_number",
GINT_TO_POINTER(mimeview->icon_count));
g_object_set_data(G_OBJECT(button), "partinfo",
mimeinfo);
switch (mimeinfo->type) {
case MIMETYPE_TEXT:
if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
else
stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
break;
case MIMETYPE_MESSAGE:
stockp = STOCK_PIXMAP_MIME_MESSAGE;
break;
case MIMETYPE_APPLICATION:
stockp = STOCK_PIXMAP_MIME_APPLICATION;
break;
case MIMETYPE_IMAGE:
stockp = STOCK_PIXMAP_MIME_IMAGE;
break;
case MIMETYPE_AUDIO:
stockp = STOCK_PIXMAP_MIME_AUDIO;
break;
default:
stockp = STOCK_PIXMAP_MIME_UNKNOWN;
break;
}
partinfo = mimeinfo;
while (partinfo != NULL) {
if (privacy_mimeinfo_is_signed(partinfo)) {
siginfo = partinfo;
break;
}
if (privacy_mimeinfo_is_encrypted(partinfo)) {
encrypted = partinfo;
break;
}
partinfo = procmime_mimeinfo_parent(partinfo);
}
if (siginfo != NULL) {
switch (privacy_mimeinfo_get_sig_status(siginfo)) {
case SIGNATURE_UNCHECKED:
case SIGNATURE_CHECK_FAILED:
case SIGNATURE_CHECK_TIMEOUT:
pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
break;
case SIGNATURE_OK:
pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
break;
case SIGNATURE_WARN:
pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
break;
case SIGNATURE_INVALID:
pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
break;
}
sigshort = privacy_mimeinfo_sig_info_short(siginfo);
} else if (encrypted != NULL) {
pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
} else {
pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
OVERLAY_NONE, 6, 3);
}
gtk_container_add(GTK_CONTAINER(button), pixmap);
if (!desc) {
if (prefs_common.attach_desc)
desc = get_part_description(mimeinfo);
else
desc = get_part_name(mimeinfo);
}
content_type = procmime_get_content_type_str(mimeinfo->type,
mimeinfo->subtype);
tip = g_strjoin("\n", content_type,
to_human_readable(mimeinfo->length), NULL);
g_free(content_type);
if (desc && *desc) {
gchar *tmp = NULL;
if (!g_utf8_validate(desc, -1, NULL)) {
tmp = conv_filename_to_utf8(desc);
} else {
tmp = g_strdup(desc);
}
tiptmp = g_strjoin("\n", tmp, tip, NULL);
g_free(tip);
tip = tiptmp;
g_free(tmp);
}
if (sigshort && *sigshort) {
tiptmp = g_strjoin("\n", tip, sigshort, NULL);
g_free(tip);
tip = tiptmp;
}
g_free(sigshort);
gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
g_free(tip);
gtk_widget_show_all(button);
g_signal_connect(G_OBJECT(button), "button_release_event",
G_CALLBACK(icon_clicked_cb), mimeview);
g_signal_connect(G_OBJECT(button), "key_press_event",
G_CALLBACK(icon_key_pressed), mimeview);
gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
}
static void icon_list_clear (MimeView *mimeview)
{
GList *child;
GtkAdjustment *adj;
child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
for (; child != NULL; child = g_list_next(child)) {
gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
GTK_WIDGET(child->data));
}
mimeview->icon_count = 0;
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
gtk_adjustment_set_value(adj, adj->lower);
}
static void icon_list_toggle_by_mime_info(MimeView *mimeview,
MimeInfo *mimeinfo)
{
GList *child;
child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
for (; child != NULL; child = g_list_next(child)) {
if (GTK_IS_TOGGLE_BUTTON(child->data) &&
g_object_get_data(G_OBJECT(child->data),
"partinfo") == (gpointer)mimeinfo) {
toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON(child->data), TRUE);
}
}
}
/*!
*\brief Used to 'click' the next or previous icon.
*
*\return true if the icon 'number' exists and was selected.
*/
static gboolean icon_list_select_by_number(MimeView *mimeview,
gint number)
{
GList *child;
if (number == 0) return FALSE;
child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
for (; child != NULL; child = g_list_next(child)) {
if (GTK_IS_TOGGLE_BUTTON(child->data) &&
GPOINTER_TO_INT(g_object_get_data(G_OBJECT(child->data),
"icon_number")) == number) {
icon_selected(mimeview, number,
(MimeInfo*)g_object_get_data(G_OBJECT(child->data),
"partinfo"));
toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON(child->data), TRUE);
gtk_widget_grab_focus(GTK_WIDGET(child->data));
return TRUE;
}
}
return FALSE;
}
static void icon_scroll_size_allocate_cb(GtkWidget *widget,
GtkAllocation *size, MimeView *mimeview)
{
GtkAllocation *mainbox_size;
GtkAllocation *vbox_size;
GtkAllocation *layout_size;
GtkAdjustment *adj;
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
mainbox_size = &mimeview->icon_mainbox->allocation;
vbox_size = &mimeview->icon_vbox->allocation;
layout_size = &mimeview->icon_scroll->allocation;
gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
GTK_LAYOUT(mimeview->icon_scroll)->width,
MAX(vbox_size->height, layout_size->height));
adj->step_increment = 5;
}
static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
{
GtkRequisition size;
g_return_if_fail(mimeinfo != NULL);
while (mimeinfo != NULL) {
if (mimeinfo->type != MIMETYPE_MULTIPART)
icon_list_append_icon(mimeview, mimeinfo);
if (mimeinfo->node->children != NULL)
icon_list_create(mimeview,
(MimeInfo *) mimeinfo->node->children->data);
mimeinfo = mimeinfo->node->next != NULL
? (MimeInfo *) mimeinfo->node->next->data
: NULL;
}
gtk_widget_size_request(mimeview->icon_vbox, &size);
if (size.width > mimeview->icon_mainbox->requisition.width) {
gtk_widget_set_size_request(mimeview->icon_mainbox,
size.width, -1);
}
}
static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
{
gtk_widget_ref(button);
if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
GTK_SHADOW_NONE);
gtk_widget_hide(mimeview->icon_mainbox);
gtk_widget_show(mimeview->ctree_mainbox);
gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
button);
gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
button, FALSE, FALSE, 0);
gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
} else {
gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
GTK_SHADOW_NONE);
mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
gtk_widget_hide(mimeview->ctree_mainbox);
gtk_widget_show(mimeview->icon_mainbox);
gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
button);
gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
button, FALSE, FALSE, 0);
gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
if (mimeview->opened)
icon_list_toggle_by_mime_info
(mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
mimeview->opened));
gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
}
gtk_widget_grab_focus(button);
gtk_widget_unref(button);
}
void mimeview_update (MimeView *mimeview) {
if (mimeview && mimeview->mimeinfo) {
icon_list_clear(mimeview);
icon_list_create(mimeview, mimeview->mimeinfo);
}
}
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