path: root/mail/mail-signature-editor.c

#include <bonobo.h>
#include <bonobo/bonobo-stream-memory.h>

#include <gal/widgets/e-gui-utils.h>

#include "e-msg-composer.h"
#include "mail-signature-editor.h"

/*
 * Signature editor
 *
 */

struct _ESignatureEditor {
    GtkWidget *win;
    GtkWidget *control;
    
    gchar *filename;
    gboolean html;

    GNOME_GtkHTML_Editor_Engine engine;
};
typedef struct _ESignatureEditor ESignatureEditor;

#define E_SIGNATURE_EDITOR(o) ((ESignatureEditor *) o)

#define DEFAULT_WIDTH 600
#define DEFAULT_HEIGHT 500

enum { REPLY_YES = 0, REPLY_NO, REPLY_CANCEL };

static void
destroy_editor (ESignatureEditor *editor)
{
    gtk_widget_destroy (editor->win);
    g_free (editor->filename);
    g_free (editor);
}

static void
menu_file_save_error (BonoboUIComponent *uic, CORBA_Environment *ev) {
    e_notice (GTK_WINDOW (uic), GNOME_MESSAGE_BOX_ERROR,
          _("Could not save signature file."));
    
    g_warning ("Exception while saving signature (%s)",
           bonobo_exception_get_text (ev));
}

static void
menu_file_save_cb (BonoboUIComponent *uic,
           void *data,
           const char *path)
{
    ESignatureEditor *editor;
    Bonobo_PersistFile pfile_iface;
    CORBA_Environment ev;
    
    editor = E_SIGNATURE_EDITOR (data);
    if (editor->html) {
        CORBA_exception_init (&ev);
        
        pfile_iface = bonobo_object_client_query_interface (bonobo_widget_get_server (BONOBO_WIDGET (editor->control)),
                                    "IDL:Bonobo/PersistFile:1.0", NULL);
        Bonobo_PersistFile_save (pfile_iface, editor->filename, &ev);

        if (ev._major != CORBA_NO_EXCEPTION)
            menu_file_save_error (uic, &ev);

        CORBA_exception_free (&ev);
    } else {
        BonoboStream *stream;
        CORBA_Environment ev;
        Bonobo_PersistStream pstream_iface;
        
        CORBA_exception_init (&ev);
    
        stream = bonobo_stream_open (BONOBO_IO_DRIVER_FS, editor->filename,
                         Bonobo_Storage_WRITE | Bonobo_Storage_CREATE, 0);

        pstream_iface = bonobo_object_client_query_interface
            (bonobo_widget_get_server (BONOBO_WIDGET (editor->control)),
             "IDL:Bonobo/PersistStream:1.0", NULL);

        Bonobo_PersistStream_save (pstream_iface, 
                       (Bonobo_Stream) bonobo_object_corba_objref (BONOBO_OBJECT (stream)),
                       "text/plain", &ev);

        if (ev._major != CORBA_NO_EXCEPTION)
            menu_file_save_error (uic, &ev);
    
        CORBA_exception_free (&ev);
        bonobo_object_unref (BONOBO_OBJECT (stream));
    }
}

static void
exit_dialog_cb (int reply, ESignatureEditor *editor)
{
    switch (reply) {
    case REPLY_YES:
        menu_file_save_cb (NULL, editor, NULL);
        destroy_editor (editor);
        break;
    case REPLY_NO:
        destroy_editor (editor);
        break;
    case REPLY_CANCEL:
    default:
    }
}

static void
do_exit (ESignatureEditor *editor)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);
    if (GNOME_GtkHTML_Editor_Engine_hasUndo (editor->engine, &ev)) {
        GtkWidget *dialog;
        GtkWidget *label;
        gint button;
        
        dialog = gnome_dialog_new (_("Save signature"),
                       GNOME_STOCK_BUTTON_YES,      /* Save */
                       GNOME_STOCK_BUTTON_NO,       /* Don't save */
                       GNOME_STOCK_BUTTON_CANCEL,   /* Cancel */
                       NULL);
        
        label = gtk_label_new (_("This signature has been changed, but hasn't been saved.\n"
                     "\nDo you wish to save your changes?"));
        gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dialog)->vbox), label, TRUE, TRUE, 0);
        gtk_widget_show (label);
        gnome_dialog_set_parent (GNOME_DIALOG (dialog), GTK_WINDOW (editor->win));
        gnome_dialog_set_default (GNOME_DIALOG (dialog), 0);
        button = gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
        
        exit_dialog_cb (button, editor);
    } else
        destroy_editor (editor);
    CORBA_exception_free (&ev);
}

static int
delete_event_cb (GtkWidget *w, GdkEvent *event, ESignatureEditor *editor)
{
    do_exit (editor);
    
    return FALSE;
}

static void
menu_file_close_cb (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    ESignatureEditor *editor;
    
    editor = E_SIGNATURE_EDITOR (data);
    do_exit (editor);
}

static void
menu_file_save_close_cb (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    ESignatureEditor *editor;
    
    editor = E_SIGNATURE_EDITOR (data);

    menu_file_save_cb (uic, editor, path);
    destroy_editor (editor);
}

static BonoboUIVerb verbs [] = {

    BONOBO_UI_VERB ("FileSave",       menu_file_save_cb),
    BONOBO_UI_VERB ("FileClose",      menu_file_close_cb),
    BONOBO_UI_VERB ("FileSaveClose",  menu_file_save_close_cb),

    BONOBO_UI_VERB_END
};

static void
load_signature (ESignatureEditor *editor)
{
    CORBA_Environment ev;
    
    if (editor->html) {
        Bonobo_PersistFile pfile_iface;
        
        pfile_iface = bonobo_object_client_query_interface (bonobo_widget_get_server (BONOBO_WIDGET (editor->control)),
                                    "IDL:Bonobo/PersistFile:1.0", NULL);
        CORBA_exception_init (&ev);
        Bonobo_PersistFile_load (pfile_iface, editor->filename, &ev);
        CORBA_exception_free (&ev);
    } else {
        Bonobo_PersistStream pstream_iface;
        BonoboStream *stream;
        gchar *data, *html;
        
        data = e_msg_composer_get_sig_file_content (editor->filename, FALSE);
        html = g_strdup_printf ("<PRE>\n%s", data);
        g_free (data);
        
        pstream_iface = bonobo_object_client_query_interface
            (bonobo_widget_get_server (BONOBO_WIDGET (editor->control)),
             "IDL:Bonobo/PersistStream:1.0", NULL);
        CORBA_exception_init (&ev);
        stream = bonobo_stream_mem_create (html, strlen (html), TRUE, FALSE);
        
        if (stream == NULL) {
            g_warning ("Couldn't create memory stream\n");
        } else {
            BonoboObject *stream_object;
            Bonobo_Stream corba_stream;
            
            stream_object = BONOBO_OBJECT (stream);
            corba_stream = bonobo_object_corba_objref (stream_object);
            Bonobo_PersistStream_load (pstream_iface, corba_stream,
                           "text/html", &ev);
        }
        
        Bonobo_Unknown_unref (pstream_iface, &ev);
        CORBA_Object_release (pstream_iface, &ev);
        CORBA_exception_free (&ev);
        bonobo_object_unref (BONOBO_OBJECT (stream));
        
        g_free (html);
    }
}

void
mail_signature_editor (const gchar *filename, gboolean html)
{
    CORBA_Environment ev;
    ESignatureEditor *editor;
    BonoboUIComponent *component;
    BonoboUIContainer *container;
    gchar *title;
    
    if (!filename || !*filename)
        return;
    
    editor = g_new0 (ESignatureEditor, 1);
    
    editor->html     = html;
    editor->filename = g_strdup (filename);

    title       = g_strdup_printf ("Edit %ssignature (%s)", html ? "HTML " : "", filename);
    editor->win = bonobo_window_new ("e-sig-editor", title);
    gtk_window_set_default_size (GTK_WINDOW (editor->win), DEFAULT_WIDTH, DEFAULT_HEIGHT);
    gtk_window_set_policy (GTK_WINDOW (editor->win), FALSE, TRUE, FALSE);
    gtk_window_set_modal (GTK_WINDOW (editor->win), TRUE);
    g_free (title);
    
    container = bonobo_ui_container_new ();
    bonobo_ui_container_set_win (container, BONOBO_WINDOW (editor->win));
    
    component = bonobo_ui_component_new_default ();
    bonobo_ui_component_set_container (component, bonobo_object_corba_objref (BONOBO_OBJECT (container)));
    bonobo_ui_component_add_verb_list_with_data (component, verbs, editor);
    bonobo_ui_util_set_ui (component, EVOLUTION_DATADIR, "evolution-signature-editor.xml", "evolution-signature-editor");
    
    editor->control = bonobo_widget_new_control ("OAFIID:GNOME_GtkHTML_Editor",
                             bonobo_ui_component_get_container (component));
    
    if (editor->control == NULL) {
        g_warning ("Cannot get 'OAFIID:GNOME_GtkHTML_Editor'.");
        
        destroy_editor (editor);
        return;
    }

    editor->engine = (GNOME_GtkHTML_Editor_Engine) bonobo_object_client_query_interface
        (bonobo_widget_get_server (BONOBO_WIDGET (editor->control)), "IDL:GNOME/GtkHTML/Editor/Engine:1.0", NULL);
    
    load_signature (editor);

    gtk_signal_connect (GTK_OBJECT (editor->win), "delete_event",
                GTK_SIGNAL_FUNC (delete_event_cb), editor);

    bonobo_window_set_contents (BONOBO_WINDOW (editor->win), editor->control);
    bonobo_widget_set_property (BONOBO_WIDGET (editor->control), "FormatHTML", html, NULL);
    gtk_widget_show (GTK_WIDGET (editor->win));
    gtk_widget_show (GTK_WIDGET (editor->control));

    CORBA_exception_init (&ev);
    GNOME_GtkHTML_Editor_Engine_runCommand (editor->engine, "grab-focus", &ev);
    CORBA_exception_free (&ev);
}