182 lines
4.0 KiB
C
182 lines
4.0 KiB
C
/*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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*
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* Authors:
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* Jeffrey Stedfast <fejj@ximian.com>
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* Michael Zucchi <notzed@ximian.com>
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*
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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <gtk/gtk.h>
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#include "em-html-stream.h"
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#define d(x)
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static EMSyncStreamClass *parent_class = NULL;
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static void
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emhs_cleanup (EMHTMLStream *emhs)
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{
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if (emhs->sync.cancel && emhs->html_stream)
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gtk_html_stream_close (
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emhs->html_stream, GTK_HTML_STREAM_ERROR);
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emhs->html_stream = NULL;
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emhs->sync.cancel = TRUE;
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g_signal_handler_disconnect (emhs->html, emhs->destroy_id);
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g_object_unref (emhs->html);
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emhs->html = NULL;
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}
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static void
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emhs_gtkhtml_destroy (GtkHTML *html,
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EMHTMLStream *emhs)
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{
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emhs->sync.cancel = TRUE;
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emhs_cleanup (emhs);
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}
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static gssize
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emhs_sync_write (CamelStream *stream,
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const gchar *buffer,
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gsize n)
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{
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EMHTMLStream *emhs = EM_HTML_STREAM (stream);
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if (emhs->html == NULL)
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return -1;
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if (emhs->html_stream == NULL)
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emhs->html_stream = gtk_html_begin_full (
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emhs->html, NULL, NULL, emhs->flags);
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gtk_html_stream_write (emhs->html_stream, buffer, n);
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return (gssize) n;
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}
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static gint
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emhs_sync_flush(CamelStream *stream)
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{
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EMHTMLStream *emhs = (EMHTMLStream *)stream;
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if (emhs->html_stream == NULL)
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return -1;
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gtk_html_flush (emhs->html);
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return 0;
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}
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static gint
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emhs_sync_close (CamelStream *stream)
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{
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EMHTMLStream *emhs = (EMHTMLStream *)stream;
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if (emhs->html_stream == NULL)
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return -1;
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gtk_html_stream_close (emhs->html_stream, GTK_HTML_STREAM_OK);
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emhs_cleanup (emhs);
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return 0;
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}
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static void
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em_html_stream_class_init (EMHTMLStreamClass *class)
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{
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EMSyncStreamClass *sync_stream_class;
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parent_class = (EMSyncStreamClass *)em_sync_stream_get_type();
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sync_stream_class = EM_SYNC_STREAM_CLASS (class);
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sync_stream_class->sync_write = emhs_sync_write;
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sync_stream_class->sync_flush = emhs_sync_flush;
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sync_stream_class->sync_close = emhs_sync_close;
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}
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static void
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em_html_stream_init (EMHTMLStream *emhs)
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{
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}
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static void
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em_html_stream_finalize (EMHTMLStream *emhs)
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{
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if (emhs->html_stream) {
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/* set 'in finalise' flag */
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camel_stream_close (CAMEL_STREAM (emhs));
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}
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}
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CamelType
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em_html_stream_get_type (void)
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{
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static CamelType type = CAMEL_INVALID_TYPE;
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if (G_UNLIKELY (type == CAMEL_INVALID_TYPE)) {
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type = camel_type_register (
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em_sync_stream_get_type(),
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"EMHTMLStream",
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sizeof (EMHTMLStream),
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sizeof (EMHTMLStreamClass),
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(CamelObjectClassInitFunc) em_html_stream_class_init,
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NULL,
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(CamelObjectInitFunc) em_html_stream_init,
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(CamelObjectFinalizeFunc) em_html_stream_finalize);
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}
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return type;
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}
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/* TODO: Could pass NULL for html_stream, and do a gtk_html_begin
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on first data -> less flashing */
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CamelStream *
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em_html_stream_new (GtkHTML *html,
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GtkHTMLStream *html_stream)
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{
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EMHTMLStream *new;
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g_return_val_if_fail (GTK_IS_HTML (html), NULL);
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new = EM_HTML_STREAM (camel_object_new (EM_HTML_STREAM_TYPE));
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new->html_stream = html_stream;
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new->html = g_object_ref (html);
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new->flags = 0;
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new->destroy_id = g_signal_connect (
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html, "destroy",
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G_CALLBACK (emhs_gtkhtml_destroy), new);
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em_sync_stream_set_buffer_size (&new->sync, 8192);
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return CAMEL_STREAM (new);
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}
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void
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em_html_stream_set_flags (EMHTMLStream *emhs, GtkHTMLBeginFlags flags)
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{
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g_return_if_fail (EM_IS_HTML_STREAM (emhs));
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emhs->flags = flags;
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}
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