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-rw-r--r--mail/em-icon-stream.c347
1 files changed, 0 insertions, 347 deletions
diff --git a/mail/em-icon-stream.c b/mail/em-icon-stream.c
deleted file mode 100644
index 563853adcf..0000000000
--- a/mail/em-icon-stream.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- * 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/>
- *
- *
- * Authors:
- * Jeffrey Stedfast <fejj@ximian.com>
- * Michael Zucchi <notzed@ximian.com>
- *
- * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-
-#include <gdk-pixbuf/gdk-pixbuf.h>
-#include <gtk/gtk.h>
-#include "em-icon-stream.h"
-#include "e-util/e-icon-factory.h"
-
-#include "libedataserver/e-msgport.h"
-
-#define d(x)
-
-/* fixed-point scale factor for scaled images in cache */
-#define EMIS_SCALE (1024)
-
-struct _emis_cache_node {
- EMCacheNode node;
-
- GdkPixbuf *pixbuf;
-};
-
-static void em_icon_stream_class_init (EMIconStreamClass *klass);
-static void em_icon_stream_init (CamelObject *object);
-static void em_icon_stream_finalize (CamelObject *object);
-
-static gssize emis_sync_write(CamelStream *stream, const gchar *buffer, gsize n);
-static gint emis_sync_close(CamelStream *stream);
-static gint emis_sync_flush(CamelStream *stream);
-
-static EMSyncStreamClass *parent_class = NULL;
-static EMCache *emis_cache;
-
-static void
-emis_cache_free(gpointer data)
-{
- struct _emis_cache_node *node = data;
-
- g_object_unref(node->pixbuf);
-}
-
-CamelType
-em_icon_stream_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- parent_class = (EMSyncStreamClass *)em_sync_stream_get_type();
- type = camel_type_register (em_sync_stream_get_type(),
- "EMIconStream",
- sizeof (EMIconStream),
- sizeof (EMIconStreamClass),
- (CamelObjectClassInitFunc) em_icon_stream_class_init,
- NULL,
- (CamelObjectInitFunc) em_icon_stream_init,
- (CamelObjectFinalizeFunc) em_icon_stream_finalize);
-
- emis_cache = em_cache_new(60, sizeof(struct _emis_cache_node), emis_cache_free);
- }
-
- return type;
-}
-
-static void
-em_icon_stream_class_init (EMIconStreamClass *klass)
-{
- ((EMSyncStreamClass *)klass)->sync_write = emis_sync_write;
- ((EMSyncStreamClass *)klass)->sync_flush = emis_sync_flush;
- ((EMSyncStreamClass *)klass)->sync_close = emis_sync_close;
-}
-
-static void
-em_icon_stream_init (CamelObject *object)
-{
- EMIconStream *emis = (EMIconStream *)object;
-
- emis = emis;
-}
-
-static void
-emis_cleanup(EMIconStream *emis)
-{
- if (emis->loader) {
- gdk_pixbuf_loader_close(emis->loader, NULL);
- g_object_unref(emis->loader);
- emis->loader = NULL;
- }
-
- if (emis->destroy_id) {
- g_signal_handler_disconnect(emis->image, emis->destroy_id);
- emis->destroy_id = 0;
- }
-
- g_free(emis->key);
- emis->key = NULL;
-
- emis->image = NULL;
- emis->sync.cancel = TRUE;
-}
-
-static void
-em_icon_stream_finalize(CamelObject *object)
-{
- EMIconStream *emis = (EMIconStream *)object;
-
- emis_cleanup(emis);
-}
-
-static gssize
-emis_sync_write(CamelStream *stream, const gchar *buffer, gsize n)
-{
- EMIconStream *emis = EM_ICON_STREAM (stream);
-
- if (emis->loader == NULL)
- return -1;
-
- if (!gdk_pixbuf_loader_write(emis->loader, (const guchar *)buffer, n, NULL)) {
- emis_cleanup(emis);
- return -1;
- }
-
- return (gssize) n;
-}
-
-static gint
-emis_sync_flush(CamelStream *stream)
-{
- return 0;
-}
-
-static GdkPixbuf *
-emis_fit(GdkPixbuf *pixbuf, gint maxwidth, gint maxheight, gint *scale)
-{
- GdkPixbuf *mini = NULL;
- gint width, height;
-
- width = gdk_pixbuf_get_width(pixbuf);
- height = gdk_pixbuf_get_height(pixbuf);
-
- if ((maxwidth && width > maxwidth)
- || (maxheight && height > maxheight)) {
- if (width >= height || maxheight == 0) {
- if (scale)
- *scale = maxwidth * EMIS_SCALE / width;
- height = height * maxwidth / width;
- width = maxwidth;
- } else {
- if (scale)
- *scale = maxheight * EMIS_SCALE / height;
- width = width * maxheight / height;
- height = maxheight;
- }
-
- /* check if we don't want to scale down too much, if so, do 1 pixel width/height */
- if (width <= 0)
- width = 1;
-
- if (height <= 0)
- height = 1;
-
- mini = e_icon_factory_pixbuf_scale (pixbuf, width, height);
- }
-
- return mini;
-}
-
-static gint
-emis_sync_close(CamelStream *stream)
-{
- EMIconStream *emis = (EMIconStream *)stream;
- GdkPixbuf *pixbuf, *mini;
- struct _emis_cache_node *node;
- gchar *scalekey;
- gint scale;
-
- if (emis->loader == NULL)
- return -1;
-
- gdk_pixbuf_loader_close(emis->loader, NULL);
-
- pixbuf = gdk_pixbuf_loader_get_pixbuf(emis->loader);
- if (pixbuf == NULL) {
- d(printf("couldn't get pixbuf from loader\n"));
- emis_cleanup(emis);
- return -1;
- }
-
- mini = emis_fit(pixbuf, emis->width, emis->height, &scale);
- gtk_image_set_from_pixbuf(emis->image, mini?mini:pixbuf);
-
- if (emis->keep) {
- node = (struct _emis_cache_node *)em_cache_node_new(emis_cache, emis->key);
- node->pixbuf = g_object_ref(pixbuf);
- em_cache_add(emis_cache, (EMCacheNode *)node);
- }
-
- if (!emis->keep || mini) {
- scalekey = g_alloca(strlen(emis->key) + 20);
- sprintf(scalekey, "%s.%x", emis->key, scale);
- node = (struct _emis_cache_node *)em_cache_node_new(emis_cache, scalekey);
- node->pixbuf = mini?mini:g_object_ref(pixbuf);
- em_cache_add(emis_cache, (EMCacheNode *)node);
- }
-
- g_object_unref(emis->loader);
- emis->loader = NULL;
-
- g_signal_handler_disconnect(emis->image, emis->destroy_id);
- emis->destroy_id = 0;
-
- return 0;
-}
-
-static void
-emis_image_destroy(GtkImage *image, EMIconStream *emis)
-{
- emis_cleanup(emis);
-}
-
-CamelStream *
-em_icon_stream_new(GtkImage *image, const gchar *key, guint maxwidth, guint maxheight, gint keep)
-{
- EMIconStream *new;
-
- new = EM_ICON_STREAM(camel_object_new(EM_ICON_STREAM_TYPE));
- new->width = maxwidth;
- new->height = maxheight;
- new->image = image;
- new->keep = keep;
- new->destroy_id = g_signal_connect(image, "destroy", G_CALLBACK(emis_image_destroy), new);
- new->loader = gdk_pixbuf_loader_new();
- new->key = g_strdup(key);
-
- return (CamelStream *)new;
-}
-
-GdkPixbuf *
-em_icon_stream_get_image(const gchar *tkey, guint maxwidth, guint maxheight)
-{
- struct _emis_cache_node *node;
- GdkPixbuf *pb = NULL;
- const gchar *key;
-
- key = tkey ? tkey : "";
-
- /* forces the cache to be setup if not */
- em_icon_stream_get_type();
-
- node = (struct _emis_cache_node *)em_cache_lookup(emis_cache, key);
- if (node) {
- gint width, height;
-
- pb = node->pixbuf;
- g_object_ref(pb);
- em_cache_node_unref(emis_cache, (EMCacheNode *)node);
-
- width = gdk_pixbuf_get_width(pb);
- height = gdk_pixbuf_get_height(pb);
-
- if ((maxwidth && width > maxwidth)
- || (maxheight && height > maxheight)) {
- guint scale;
- gchar *realkey;
-
- if (maxheight == 0 || width >= height)
- scale = width * EMIS_SCALE / maxwidth;
- else
- scale = height * EMIS_SCALE / maxheight;
-
- realkey = g_alloca(strlen(key)+20);
- sprintf(realkey, "%s.%x", key, scale);
- node = (struct _emis_cache_node *)em_cache_lookup(emis_cache, realkey);
- if (node) {
- g_object_unref(pb);
- pb = node->pixbuf;
- g_object_ref(pb);
- em_cache_node_unref(emis_cache, (EMCacheNode *)node);
- } else {
- GdkPixbuf *mini = emis_fit(pb, maxwidth, maxheight, NULL);
-
- g_object_unref(pb);
- pb = mini;
- node = (struct _emis_cache_node *)em_cache_node_new(emis_cache, realkey);
- node->pixbuf = pb;
- g_object_ref(pb);
- em_cache_add(emis_cache, (EMCacheNode *)node);
- }
- }
- }
-
- return pb;
-}
-
-gint
-em_icon_stream_is_resized(const gchar *tkey, guint maxwidth, guint maxheight)
-{
- gint res = FALSE;
- struct _emis_cache_node *node;
- const gchar *key;
-
- key = tkey ? tkey : "";
-
- /* forces the cache to be setup if not */
- em_icon_stream_get_type();
-
- node = (struct _emis_cache_node *)em_cache_lookup(emis_cache, key);
- if (node) {
- res = (maxwidth && gdk_pixbuf_get_width(node->pixbuf) > maxwidth)
- || (maxheight && gdk_pixbuf_get_width(node->pixbuf) > maxheight);
-
- em_cache_node_unref(emis_cache, (EMCacheNode *)node);
- }
-
- return res;
-}
-
-void
-em_icon_stream_clear_cache(void)
-{
- em_cache_clear(emis_cache);
-}
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