0.8.11claws49
[claws.git] / src / mimeview.c
index 969e211b0fe907de0f58e0eea662ce49a724bca9..14b27166b5b66a4ce3e9d6c5e3e1cb28591c77ea 100644 (file)
@@ -37,7 +37,8 @@
 #include <gtk/gtkselection.h>
 #include <stdio.h>
 #include <unistd.h>
-
+#include <fnmatch.h>
 #include "intl.h"
 #include "main.h"
 #include "mimeview.h"
@@ -71,8 +72,6 @@ static GtkCTreeNode *mimeview_append_part     (MimeView       *mimeview,
                                                 GtkCTreeNode   *parent);
 static void mimeview_show_message_part         (MimeView       *mimeview,
                                                 MimeInfo       *partinfo);
-static void mimeview_show_image_part           (MimeView       *mimeview,
-                                                MimeInfo       *partinfo);
 static void mimeview_change_view_type          (MimeView       *mimeview,
                                                 MimeViewType    type);
 static void mimeview_clear                     (MimeView       *mimeview);
@@ -101,21 +100,20 @@ static void mimeview_drag_data_get      (GtkWidget          *widget,
 
 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);
-#if USE_GPGME
-static void mimeview_check_signature   (MimeView       *mimeview);
-#endif
 
 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 as..."),      NULL, mimeview_save_as,         0, NULL},
+       {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL}
 #if USE_GPGME
         ,
         {N_("/_Check signature"), NULL, mimeview_check_signature, 0, NULL}
@@ -127,6 +125,9 @@ static GtkTargetEntry mimeview_mime_types[] =
        {"text/uri-list", 0, 0}
 };
 
+GSList *mimeviewer_factories;
+GSList *mimeviews;
+
 MimeView *mimeview_create(void)
 {
        MimeView *mimeview;
@@ -143,7 +144,7 @@ MimeView *mimeview_create(void)
        gint n_entries;
        gint i;
 
-       debug_print(_("Creating MIME view...\n"));
+       debug_print("Creating MIME view...\n");
        mimeview = g_new0(MimeView, 1);
 
        titles[COL_MIMETYPE] = _("MIME Type");
@@ -215,6 +216,8 @@ MimeView *mimeview_create(void)
        mimeview->popupfactory = popupfactory;
        mimeview->type         = -1;
 
+       mimeviews = g_slist_prepend(mimeviews, mimeview);
+
        return mimeview;
 }
 
@@ -229,7 +232,6 @@ void mimeview_init(MimeView *mimeview)
 static gboolean mimeview_is_signed(MimeView *mimeview)
 {
        MimeInfo *partinfo = NULL;
-       MsgInfo *msginfo = NULL;
 
         debug_print("mimeview_is signed of %p\n", mimeview);
 
@@ -250,8 +252,6 @@ static gboolean mimeview_is_signed(MimeView *mimeview)
        do {
                if (rfc2015_has_signature(partinfo))
                        return TRUE;
-               if (pgptext_has_signature(msginfo, partinfo))
-                       return TRUE;
         } while ((partinfo = partinfo->parent) != NULL);
 
        debug_print("mimeview_is_signed: FALSE\n" );
@@ -291,7 +291,7 @@ void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 
        mimeview->mimeinfo = mimeinfo;
 
-       if ((fp = fopen(file, "r")) == NULL) {
+       if ((fp = fopen(file, "rb")) == NULL) {
                FILE_OP_ERROR(file, "fopen");
                return;
        }
@@ -307,7 +307,8 @@ void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 
        procmime_scan_multipart_message(mimeinfo, fp);
 #if USE_GPGME
-       if (prefs_common.auto_check_signatures)
+       if ((prefs_common.auto_check_signatures)
+           && (gpg_started))
                rfc2015_check_signature(mimeinfo, fp);
        else
                set_unchecked_signature(mimeinfo);
@@ -347,9 +348,19 @@ void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 
 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);
+
        procmime_mimeinfo_free_all(mimeview->mimeinfo);
        g_free(mimeview->file);
        g_free(mimeview);
+
+       mimeviews = g_slist_remove(mimeviews, mimeview);
 }
 
 static void mimeview_set_multipart_tree(MimeView *mimeview,
@@ -362,6 +373,12 @@ static void mimeview_set_multipart_tree(MimeView *mimeview,
 
        if (!mimeinfo->sub && mimeinfo->parent)
                current = mimeview_append_part(mimeview, mimeinfo, parent);
+       if (mimeinfo->sub && !mimeinfo->sub->children &&
+           mimeinfo->sub->mime_type != MIME_TEXT &&
+           mimeinfo->sub->mime_type != MIME_TEXT_HTML) {
+               mimeview_append_part(mimeview, mimeinfo->sub, parent);
+               return;
+       }
 
        if (mimeinfo->sub)
                mimeview_set_multipart_tree(mimeview, mimeinfo->sub, current);
@@ -384,6 +401,20 @@ static gchar *get_part_name(MimeInfo *partinfo)
                return partinfo->name;
        else if (partinfo->filename)
                return partinfo->filename;
+       else if (partinfo->description)
+               return partinfo->description;
+       else
+               return "";
+}
+
+static gchar *get_part_description(MimeInfo *partinfo)
+{
+       if (partinfo->description)
+               return partinfo->description;
+       else if (partinfo->name)
+               return partinfo->name;
+       else if (partinfo->filename)
+               return partinfo->filename;
        else
                return "";
 }
@@ -399,7 +430,10 @@ static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
        str[COL_MIMETYPE] =
                partinfo->content_type ? partinfo->content_type : "";
        str[COL_SIZE] = to_human_readable(partinfo->size);
-       str[COL_NAME] = get_part_name(partinfo);
+       if (prefs_common.attach_desc)
+               str[COL_NAME] = get_part_description(partinfo);
+       else
+               str[COL_NAME] = get_part_name(partinfo);
 
        node = gtk_ctree_insert_node(ctree, parent, NULL, str, 0,
                                     NULL, NULL, NULL, NULL,
@@ -428,7 +462,7 @@ static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 #endif /* USE_GPGME */
        if (!fname) return;
 
-       if ((fp = fopen(fname, "r")) == NULL) {
+       if ((fp = fopen(fname, "rb")) == NULL) {
                FILE_OP_ERROR(fname, "fopen");
                return;
        }
@@ -445,36 +479,85 @@ static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
        fclose(fp);
 }
 
-static void mimeview_show_image_part(MimeView *mimeview, MimeInfo *partinfo)
+static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 {
-       gchar *filename;
+       GSList *cur;
+       MimeViewerFactory *factory = NULL;
+       MimeViewer *viewer = NULL;
+       
+       for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
+               MimeViewerFactory *curfactory = cur->data;
+
+               if(!fnmatch(curfactory->content_type, content_type, 0)) {
+                       factory = curfactory;
+                       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();
+       mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 
-       if (!partinfo) return;
+       return viewer;
+}
 
-       filename = procmime_get_tmp_file_name(partinfo);
+static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
+{
+       gchar *content_type = NULL;
+       MimeViewer *viewer = NULL;
 
-       if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
-               alertpanel_error
-                       (_("Can't get the part of multipart message."));
-       else {
-               mimeview_change_view_type(mimeview, MIMEVIEW_IMAGE);
-               /* Workaround for the GTK+ bug with handling scroll adjustments
-                * in GtkViewport */
-               imageview_clear(mimeview->imageview);
-               imageview_show_image(mimeview->imageview, partinfo, filename);
-               unlink(filename);
+       if ((partinfo->mime_type == MIME_APPLICATION_OCTET_STREAM) &&
+           (partinfo->name != NULL)) {
+               content_type = procmime_get_mime_type(partinfo->name);
+       } else {
+               content_type = g_strdup(partinfo->content_type);
        }
 
-       g_free(filename);
+       if (content_type != NULL) {
+               viewer = get_viewer_for_content_type(mimeview, content_type);
+               g_free(content_type);
+       }
+
+       return viewer;
+}
+
+static 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 != viewer) {
+               if (mimeview->mimeviewer != NULL)
+                       mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
+               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;
-       ImageView *imageview = mimeview->imageview;
        GList *children;
 
-       if (mimeview->type == type) return;
+       if ((mimeview->type != MIMEVIEW_VIEWER) && 
+           (mimeview->type == type)) return;
 
        children = gtk_container_children(GTK_CONTAINER(mimeview->mime_vbox));
        if (children) {
@@ -484,14 +567,14 @@ static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
        }
 
        switch (type) {
-       case MIMEVIEW_IMAGE:
-               gtk_container_add(GTK_CONTAINER(mimeview->mime_vbox),
-                                 GTK_WIDGET_PTR(imageview));
-               break;
        case MIMEVIEW_TEXT:
                gtk_container_add(GTK_CONTAINER(mimeview->mime_vbox),
                                  GTK_WIDGET_PTR(textview));
                break;
+       case MIMEVIEW_VIEWER:
+               gtk_container_add(GTK_CONTAINER(mimeview->mime_vbox),
+                                 GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer)));
+               break;
        default:
                return;
        }
@@ -508,7 +591,8 @@ static void mimeview_clear(MimeView *mimeview)
 
        gtk_clist_clear(clist);
        textview_clear(mimeview->textview);
-       imageview_clear(mimeview->imageview);
+       if (mimeview->mimeviewer != NULL)
+               mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 
        mimeview->opened = NULL;
 
@@ -536,31 +620,32 @@ static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
                if (gdk_pointer_is_grabbed())
                        gdk_pointer_ungrab(GDK_CURRENT_TIME);
        }
-
-       switch (partinfo->mime_type) {
-       case MIME_TEXT:
-       case MIME_TEXT_HTML:
-       case MIME_TEXT_ENRICHED:
-       case MIME_MESSAGE_RFC822:
-       case MIME_MULTIPART:
-               mimeview_show_message_part(mimeview, partinfo);
-               break;
-#if (HAVE_GDK_PIXBUF || HAVE_GDK_IMLIB)
-       case MIME_IMAGE:
-               mimeview_show_image_part(mimeview, partinfo);
-               break;
-#endif
-       default:
-               mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
+       
+       mimeview->textview->default_text = FALSE;
+       
+       if (!mimeview_show_part(mimeview, partinfo)) {
+               switch (partinfo->mime_type) {
+               case MIME_TEXT:
+               case MIME_TEXT_HTML:
+               case MIME_TEXT_ENRICHED:
+               case MIME_MESSAGE_RFC822:
+               case MIME_MULTIPART:
+                       mimeview_show_message_part(mimeview, partinfo);
+               
+                       break;
+               default:
+                       mimeview->textview->default_text = TRUE;        
+                       mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 #if USE_GPGME
-               if (g_strcasecmp(partinfo->content_type,
-                                "application/pgp-signature") == 0)
-                       textview_show_signature_part(mimeview->textview,
-                                                    partinfo);
-               else
+                       if (g_strcasecmp(partinfo->content_type,
+                                        "application/pgp-signature") == 0)
+                               textview_show_signature_part(mimeview->textview,
+                                                            partinfo);
+                       else
 #endif
-                       textview_show_mime_part(mimeview->textview, partinfo);
-               break;
+                               textview_show_mime_part(mimeview->textview, partinfo);
+                       break;
+               }
        }
 }
 
@@ -626,6 +711,7 @@ static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
                else
                        menu_set_sensitive(mimeview->popupfactory,
                                           "/Open", TRUE);
+
 #if USE_GPGME
                menu_set_sensitive(mimeview->popupfactory,
                                   "/Check signature",
@@ -711,13 +797,14 @@ static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
                BREAK_ON_MODIFIER_KEY();
                KEY_PRESS_EVENT_STOP();
                mimeview_display_as_text(mimeview);
-               return TRUE;
+               return TRUE;    
        case GDK_l:
                BREAK_ON_MODIFIER_KEY();
                KEY_PRESS_EVENT_STOP();
                mimeview_launch(mimeview);
                return TRUE;
        default:
+               break;
        }
 
        if (!mimeview->messageview->mainwin) return FALSE;
@@ -763,6 +850,63 @@ static void mimeview_drag_data_get(GtkWidget           *widget,
        g_free(filename);
 }
 
+static void mimeview_save_all(MimeView *mimeview)
+{
+       gchar *dirname;
+       gchar *defname = NULL;
+       MimeInfo *partinfo;
+       MimeInfo *attachment;
+       gchar buf[1024];
+
+       if (!mimeview->opened) return;
+       if (!mimeview->file) return;
+
+       partinfo = gtk_ctree_node_get_row_data
+               (GTK_CTREE(mimeview->ctree), mimeview->opened);
+       g_return_if_fail(partinfo != NULL);
+
+       dirname = filesel_select_file(_("Save as"), defname);
+       if (!dirname) return;
+
+       /* return to first children */
+       if (!partinfo->parent->children) return;  /* multipart container? */
+       attachment = partinfo->parent->children->next;
+       /* for each attachment, extract it in the selected dir. */
+       while (attachment != NULL) {
+               static guint subst_cnt = 1;
+               gchar *attachdir;
+               gchar *attachname = g_strdup(get_part_name(attachment));
+               AlertValue aval = G_ALERTDEFAULT;
+               gchar *res;
+
+               if (!attachname || !strlen(attachname))
+                       attachname = g_strdup_printf("noname.%d",subst_cnt++);
+               subst_chars(attachname, ":?*&|<>\t\r\n", '_');
+               g_snprintf(buf, sizeof(buf), "%s%s",
+                          dirname,
+                          (attachname[0] == G_DIR_SEPARATOR)
+                          ? &attachname[1]
+                          : attachname);
+               subst_chars(buf, "/\\", G_DIR_SEPARATOR);
+               attachdir = g_dirname(buf);
+               make_dir_hier(attachdir);
+               g_free(attachdir);
+
+               if (is_file_exist(buf)) {
+                       res = g_strdup_printf(_("Overwrite existing file '%s'?"),
+                                             attachname);
+                       aval = alertpanel(_("Overwrite"), res, _("OK"), 
+                                         _("Cancel"), NULL);
+                       g_free(res);                                      
+               }
+               g_free(attachname);
+
+               if ((G_ALERTDEFAULT != aval) || (procmime_get_part(buf, mimeview->file, attachment) < 0))
+                       alertpanel_error(_("Can't save the part of multipart message."));
+               attachment = attachment->next;
+       }
+}
+
 static void mimeview_display_as_text(MimeView *mimeview)
 {
        MimeInfo *partinfo;
@@ -779,6 +923,7 @@ static void mimeview_save_as(MimeView *mimeview)
        gchar *filename;
        gchar *defname = NULL;
        MimeInfo *partinfo;
+       gchar *res;
 
        if (!mimeview->opened) return;
        if (!mimeview->file) return;
@@ -798,10 +943,11 @@ static void mimeview_save_as(MimeView *mimeview)
        if (!filename) return;
        if (is_file_exist(filename)) {
                AlertValue aval;
-
-               aval = alertpanel(_("Overwrite"),
-                                 _("Overwrite existing file?"),
-                                 _("OK"), _("Cancel"), NULL);
+               res = g_strdup_printf(_("Overwrite existing file '%s'?"),
+                                     filename);
+               aval = alertpanel(_("Overwrite"), res, _("OK"), 
+                                 _("Cancel"), NULL);
+               g_free(res);                                      
                if (G_ALERTDEFAULT != aval) return;
        }
 
@@ -864,7 +1010,8 @@ static void mimeview_open_with(MimeView *mimeview)
                 _("Enter the command line to open file:\n"
                   "(`%s' will be replaced with file name)"),
                 prefs_common.mime_open_cmd,
-                prefs_common.mime_open_cmd_history);
+                prefs_common.mime_open_cmd_history,
+                TRUE);
        if (cmd) {
                mimeview_view_file(filename, partinfo, cmd);
                g_free(prefs_common.mime_open_cmd);
@@ -881,8 +1028,7 @@ static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
 {
        static gchar *default_image_cmdline = "display '%s'";
        static gchar *default_audio_cmdline = "play '%s'";
-       static gchar *default_html_cmdline =
-               "netscape -remote 'openURL(%s,raise)'";
+       static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
        static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
        gchar buf[1024];
        gchar m_buf[1024];
@@ -916,7 +1062,7 @@ static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
                g_snprintf(buf, sizeof(buf), cmd, filename);
        else {
                if (cmd)
-                       g_warning(_("MIME viewer command line is invalid: `%s'"), cmd);
+                       g_warning("MIME viewer command line is invalid: `%s'", cmd);
                if (def_cmd)
                        g_snprintf(buf, sizeof(buf), def_cmd, filename);
                else
@@ -965,13 +1111,13 @@ static void mimeview_update_signature_info(MimeView *mimeview)
        }
 }
 
-static void mimeview_check_signature(MimeView *mimeview)
+void mimeview_check_signature(MimeView *mimeview)
 {
        MimeInfo *mimeinfo;
-       gchar buf[BUFFSIZE];
        FILE *fp;
 
        g_return_if_fail (mimeview_is_signed(mimeview));
+       g_return_if_fail (gpg_started);
 
        mimeinfo = gtk_ctree_node_get_row_data
                (GTK_CTREE(mimeview->ctree), mimeview->opened);
@@ -981,24 +1127,51 @@ static void mimeview_check_signature(MimeView *mimeview)
        while (mimeinfo->parent)
                mimeinfo = mimeinfo->parent;
 
-       if ((fp = fopen(mimeview->file, "r")) == NULL) {
+       if ((fp = fopen(mimeview->file, "rb")) == NULL) {
                FILE_OP_ERROR(mimeview->file, "fopen");
                return;
        }
 
-       /* skip headers */
-       if (mimeinfo->mime_type == MIME_MULTIPART) {
-               if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
-               FILE_OP_ERROR(mimeview->file, "fseek");
-               while (fgets(buf, sizeof(buf), fp) != NULL)
-                       if (buf[0] == '\r' || buf[0] == '\n') break;
-       }
-
-       procmime_scan_multipart_message(mimeinfo, fp);
        rfc2015_check_signature(mimeinfo, fp);
        fclose(fp);
 
        mimeview_update_names(mimeview);
        mimeview_update_signature_info(mimeview);
+
+       textview_show_message(mimeview->messageview->textview, mimeinfo,
+                             mimeview->file);
 }
 #endif /* USE_GPGME */
+
+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);
+}