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-rw-r--r--em-format/e-mail-formatter-attachment.c403
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diff --git a/em-format/e-mail-formatter-attachment.c b/em-format/e-mail-formatter-attachment.c
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+/*
+ * e-mail-formatter-attachment.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-mail-format-extensions.h"
+#include "e-mail-part-attachment.h"
+#include "e-mail-part-attachment-bar.h"
+
+#include <em-format/e-mail-formatter-extension.h>
+#include <em-format/e-mail-formatter.h>
+#include <em-format/e-mail-part-utils.h>
+#include <em-format/e-mail-inline-filter.h>
+#include <e-util/e-util.h>
+
+#include <shell/e-shell.h>
+#include <shell/e-shell-window.h>
+
+#include <widgets/misc/e-attachment-button.h>
+
+#include <glib/gi18n-lib.h>
+#include <camel/camel.h>
+
+#define d(x)
+
+typedef struct _EMailFormatterAttachment {
+ GObject parent;
+} EMailFormatterAttachment;
+
+typedef struct _EMailFormatterAttachmentClass {
+ GObjectClass parent_class;
+} EMailFormatterAttachmentClass;
+
+static void e_mail_formatter_formatter_extension_interface_init (EMailFormatterExtensionInterface *iface);
+static void e_mail_formatter_mail_extension_interface_init (EMailExtensionInterface *iface);
+
+G_DEFINE_TYPE_EXTENDED (
+ EMailFormatterAttachment,
+ e_mail_formatter_attachment,
+ G_TYPE_OBJECT,
+ 0,
+ G_IMPLEMENT_INTERFACE (
+ E_TYPE_MAIL_EXTENSION,
+ e_mail_formatter_mail_extension_interface_init)
+ G_IMPLEMENT_INTERFACE (
+ E_TYPE_MAIL_FORMATTER_EXTENSION,
+ e_mail_formatter_formatter_extension_interface_init)
+)
+
+static const gchar *formatter_mime_types[] = { "application/vnd.evolution.attachment",
+ "application/vnd.evolution.widget.attachment-button",
+ NULL };
+
+static EAttachmentStore *
+find_attachment_store (GSList *parts,
+ const gchar *start_id)
+{
+ gchar *tmp, *pos;
+ EMailPart *part;
+ gchar *id;
+
+ id = g_strconcat (start_id, ".attachment-bar", NULL);
+ tmp = g_strdup (id);
+ part = NULL;
+ do {
+ GSList *iter;
+
+ d(printf("Looking up attachment bar as %s\n", id));
+
+ for (iter = parts; iter; iter = iter->next) {
+ EMailPart *p = iter->data;
+
+ if (!p)
+ continue;
+
+ if (g_strcmp0 (p->id, id) == 0) {
+ part = p;
+ break;
+ }
+ }
+
+ pos = g_strrstr (tmp, ".");
+ if (!pos)
+ break;
+
+ g_free (id);
+ g_free (tmp);
+ tmp = g_strndup (start_id, pos - tmp);
+ id = g_strdup_printf ("%s.attachment-bar", tmp);
+
+ } while (pos && !part);
+
+ g_free (id);
+ g_free (tmp);
+
+ if (part) {
+ return ((EMailPartAttachmentBar *) part)->store;
+ }
+
+ return NULL;
+}
+
+static gboolean
+emfe_attachment_format (EMailFormatterExtension *extension,
+ EMailFormatter *formatter,
+ EMailFormatterContext *context,
+ EMailPart *part,
+ CamelStream *stream,
+ GCancellable *cancellable)
+{
+ gchar *str, *text, *html;
+ gchar *button_id;
+ EAttachmentStore *store;
+ EMailExtensionRegistry *reg;
+ GQueue *extensions;
+ EMailPartAttachment *empa;
+ gchar *attachment_part_id;
+
+ g_return_val_if_fail (E_MAIL_PART_IS (part, EMailPartAttachment), FALSE);
+
+ empa = (EMailPartAttachment *) part;
+
+ if ((context->mode == E_MAIL_FORMATTER_MODE_NORMAL) ||
+ (context->mode == E_MAIL_FORMATTER_MODE_PRINTING)) {
+ if (part->validity) {
+ e_attachment_set_signed (
+ empa->attachment, part->validity->sign.status);
+ e_attachment_set_encrypted (
+ empa->attachment, part->validity->encrypt.status);
+ }
+
+ store = find_attachment_store (context->parts, part->id);
+ if (store) {
+ GList *attachments = e_attachment_store_get_attachments (store);
+ if (!g_list_find (attachments, empa->attachment)) {
+ e_attachment_store_add_attachment (
+ store, empa->attachment);
+ }
+ g_list_free (attachments);
+ } else {
+ g_warning ("Failed to locate attachment-bar for %s", part->id);
+ }
+ }
+
+ /* If the attachment is requested as RAW, then call the handler directly
+ * and do not append any other code. */
+ if ((context->mode == E_MAIL_FORMATTER_MODE_RAW) ||
+ (context->mode == E_MAIL_FORMATTER_MODE_PRINTING)) {
+ EMailExtensionRegistry *reg;
+ GQueue *extensions;
+ GList *iter;
+ reg = e_mail_formatter_get_extension_registry (formatter);
+
+ extensions = e_mail_extension_registry_get_for_mime_type (
+ reg, empa->snoop_mime_type);
+ if (!extensions) {
+ extensions = e_mail_extension_registry_get_fallback (
+ reg, empa->snoop_mime_type);
+ }
+
+ if (!extensions)
+ return FALSE;
+
+ if (context->mode == E_MAIL_FORMATTER_MODE_PRINTING) {
+ gchar *name;
+ EAttachment *attachment;
+ GFileInfo *fi;
+ const gchar *description;
+
+ attachment = empa->attachment;
+ fi = e_attachment_get_file_info (attachment);
+
+ description = e_attachment_get_description (attachment);
+ if (description && *description) {
+ name = g_strdup_printf ("<h2>Attachment: %s (%s)</h2>\n",
+ description, g_file_info_get_display_name (fi));
+ } else {
+ name = g_strdup_printf ("<h2>Attachment: %s</h2>\n",
+ g_file_info_get_display_name (fi));
+ }
+
+ camel_stream_write_string (stream, name, cancellable, NULL);
+ g_free (name);
+ }
+
+ for (iter = g_queue_peek_head_link (extensions); iter; iter = iter->next) {
+
+ EMailFormatterExtension *ext;
+ ext = iter->data;
+ if (!ext)
+ continue;
+
+ if (e_mail_formatter_extension_format (ext, formatter,
+ context, part, stream, cancellable)) {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+ }
+
+ /* E_MAIL_FORMATTER_MODE_NORMAL: */
+
+ reg = e_mail_formatter_get_extension_registry (formatter);
+ extensions = e_mail_extension_registry_get_for_mime_type (
+ reg, empa->snoop_mime_type);
+
+ if (!extensions) {
+ extensions = e_mail_extension_registry_get_fallback (
+ reg, empa->snoop_mime_type);
+ }
+
+ text = e_mail_part_describe (part->part, empa->snoop_mime_type);
+ html = camel_text_to_html (
+ text, e_mail_formatter_get_text_format_flags (formatter) &
+ CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0);
+ g_free (text);
+
+ if (empa->attachment_view_part_id)
+ attachment_part_id = empa->attachment_view_part_id;
+ else
+ attachment_part_id = part->id;
+
+ button_id = g_strconcat (attachment_part_id, ".attachment_button", NULL);
+
+ str = g_strdup_printf (
+ "<div class=\"attachment\">"
+ "<table width=\"100%%\" border=\"0\">"
+ "<tr valign=\"middle\">"
+ "<td align=\"left\" width=\"100\">"
+ "<object type=\"application/vnd.evolution.widget.attachment-button\" "
+ "height=\"20\" width=\"100\" data=\"%s\" id=\"%s\"></object>"
+ "</td>"
+ "<td align=\"left\">%s</td>"
+ "</tr>", part->id, button_id, html);
+
+ camel_stream_write_string (stream, str, cancellable, NULL);
+ g_free (button_id);
+ g_free (str);
+ g_free (html);
+
+ if (extensions) {
+ GList *iter;
+ CamelStream *content_stream;
+ gboolean ok;
+
+ content_stream = camel_stream_mem_new ();
+ ok = FALSE;
+ if (empa->attachment_view_part_id != NULL) {
+
+ GSList *att_parts;
+
+ att_parts = e_mail_part_list_get_iter (
+ context->parts,
+ empa->attachment_view_part_id);
+
+ if (att_parts && att_parts->data) {
+ ok = e_mail_formatter_format_as (
+ formatter, context, att_parts->data,
+ content_stream, NULL, cancellable);
+ }
+
+ } else {
+
+ for (iter = g_queue_peek_head_link (extensions); iter; iter = iter->next) {
+
+ EMailFormatterExtension *ext;
+
+ ext = iter->data;
+ if (!ext)
+ continue;
+
+ if (e_mail_formatter_extension_format (
+ ext, formatter, context,
+ part, content_stream,
+ cancellable)) {
+ ok = TRUE;
+ break;
+ }
+ }
+ }
+
+ if (ok) {
+ str = g_strdup_printf (
+ "<tr><td colspan=\"2\">"
+ "<div class=\"attachment-wrapper\" id=\"%s\">",
+ attachment_part_id);
+
+ camel_stream_write_string (
+ stream, str, cancellable, NULL);
+ g_free (str);
+
+ g_seekable_seek (
+ G_SEEKABLE (content_stream), 0,
+ G_SEEK_SET, cancellable, NULL);
+ camel_stream_write_to_stream (
+ content_stream, stream,
+ cancellable, NULL);
+
+ camel_stream_write_string (
+ stream, "</div></td></tr>", cancellable, NULL);
+ }
+
+ g_object_unref (content_stream);
+ }
+
+ camel_stream_write_string (stream, "</table></div>", cancellable, NULL);
+
+ return TRUE;
+}
+
+static GtkWidget *
+emfe_attachment_get_widget (EMailFormatterExtension *extension,
+ EMailPartList *context,
+ EMailPart *part,
+ GHashTable *params)
+{
+ EMailPartAttachment *empa;
+ EAttachmentStore *store;
+ EAttachmentView *view;
+ GtkWidget *widget;
+
+ g_return_val_if_fail (E_MAIL_PART_IS (part, EMailPartAttachment), NULL);
+ empa = (EMailPartAttachment *) part;
+
+ store = find_attachment_store (context->list, part->id);
+ widget = e_attachment_button_new ();
+ g_object_set_data (G_OBJECT (widget), "uri", part->id);
+ e_attachment_button_set_attachment (
+ E_ATTACHMENT_BUTTON (widget), empa->attachment);
+ view = g_object_get_data (G_OBJECT (store), "attachment-bar");
+ if (view) {
+ e_attachment_button_set_view (
+ E_ATTACHMENT_BUTTON (widget), view);
+ }
+
+ gtk_widget_set_can_focus (widget, TRUE);
+ gtk_widget_show (widget);
+
+ return widget;
+}
+
+static const gchar *
+emfe_attachment_get_display_name (EMailFormatterExtension *extension)
+{
+ return _("Attachment");
+}
+
+static const gchar *
+emfe_attachment_get_description (EMailFormatterExtension *extension)
+{
+ return _("Display as attachment");
+}
+
+static const gchar **
+emfe_attachment_mime_types (EMailExtension *extension)
+{
+ return formatter_mime_types;
+}
+
+static void
+e_mail_formatter_attachment_class_init (EMailFormatterAttachmentClass *klass)
+{
+ e_mail_formatter_attachment_parent_class = g_type_class_peek_parent (klass);
+}
+
+static void
+e_mail_formatter_formatter_extension_interface_init (EMailFormatterExtensionInterface *iface)
+{
+ iface->format = emfe_attachment_format;
+ iface->get_widget = emfe_attachment_get_widget;
+ iface->get_display_name = emfe_attachment_get_display_name;
+ iface->get_description = emfe_attachment_get_description;
+}
+
+static void
+e_mail_formatter_mail_extension_interface_init (EMailExtensionInterface *iface)
+{
+ iface->mime_types = emfe_attachment_mime_types;
+}
+
+static void
+e_mail_formatter_attachment_init (EMailFormatterAttachment *formatter)
+{
+
+}