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evolution/em-format/e-mail-formatter.c
Matthew Barnes c85109fc32 Coding style and whitespace cleanup.
2012-08-19 14:17:55 -04:00

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/*
* e-mail-formatter.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/>
*
*/
#include "e-mail-formatter.h"
#include <camel/camel.h>
#include "e-mail-formatter-extension.h"
#include "e-mail-formatter-utils.h"
#include "e-mail-part.h"
#include "e-mail-format-extensions.h"
#include <e-util/e-util.h>
#include <libebackend/libebackend.h>
#include <gdk/gdk.h>
#include <glib/gi18n.h>
#define d(x)
struct _EMailFormatterPrivate {
EMailImageLoadingPolicy image_loading_policy;
guint only_local_photos : 1;
guint show_sender_photo : 1;
guint show_real_date : 1;
guint animate_images : 1;
gchar *charset;
gchar *default_charset;
GQueue *header_list;
};
#define E_MAIL_FORMATTER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_MAIL_FORMATTER, EMailFormatterPrivate))\
static gpointer e_mail_formatter_parent_class = 0;
enum {
PROP_0,
PROP_BODY_COLOR,
PROP_CITATION_COLOR,
PROP_CONTENT_COLOR,
PROP_FRAME_COLOR,
PROP_HEADER_COLOR,
PROP_TEXT_COLOR,
PROP_IMAGE_LOADING_POLICY,
PROP_FORCE_IMAGE_LOADING,
PROP_MARK_CITATIONS,
PROP_ONLY_LOCAL_PHOTOS,
PROP_SHOW_SENDER_PHOTO,
PROP_SHOW_REAL_DATE,
PROP_ANIMATE_IMAGES,
PROP_CHARSET,
PROP_DEFAULT_CHARSET
};
enum {
NEED_REDRAW,
LAST_SIGNAL
};
static gint signals[LAST_SIGNAL];
static void
mail_formatter_run (EMailFormatter *formatter,
EMailFormatterContext *context,
CamelStream *stream,
GCancellable *cancellable)
{
GSList *iter;
gchar *hdr;
hdr = e_mail_formatter_get_html_header (formatter);
camel_stream_write_string (stream, hdr, cancellable, NULL);
g_free (hdr);
for (iter = context->parts; iter; iter = iter->next) {
EMailPart *part;
gboolean ok;
if (g_cancellable_is_cancelled (cancellable))
break;
part = iter->data;
if (!part)
continue;
if (part->is_hidden && !part->is_error) {
if (g_str_has_suffix (part->id, ".rfc822")) {
iter = e_mail_formatter_find_rfc822_end_iter (iter);
}
if (!iter)
break;
continue;
}
/* Force formatting as source if needed */
if (context->mode != E_MAIL_FORMATTER_MODE_SOURCE) {
if (!part->mime_type)
continue;
ok = e_mail_formatter_format_as (
formatter, context, part, stream,
part->mime_type, cancellable);
/* If the written part was message/rfc822 then
* jump to the end of the message, because content
* of the whole message has been formatted by
* message_rfc822 formatter */
if (ok && g_str_has_suffix (part->id, ".rfc822")) {
iter = e_mail_formatter_find_rfc822_end_iter (iter);
if (!iter)
break;
continue;
}
} else {
ok = FALSE;
}
if (!ok) {
/* We don't want to source these */
if (g_str_has_suffix (part->id, ".headers") ||
g_str_has_suffix (part->id, "attachment-bar"))
continue;
e_mail_formatter_format_as (
formatter, context, part, stream,
"application/vnd.evolution.source", cancellable);
/* .message is the entire message. There's nothing more
* to be written. */
if (g_strcmp0 (part->id, ".message") == 0)
break;
/* If we just wrote source of a rfc822 message, then jump
* behind the message (otherwise source of all parts
* would be rendered twice) */
if (g_str_has_suffix (part->id, ".rfc822")) {
do {
part = iter->data;
if (part && g_str_has_suffix (part->id, ".rfc822.end"))
break;
iter = iter->next;
} while (iter);
}
}
}
camel_stream_write_string (stream, "</body></html>", cancellable, NULL);
}
static EMailFormatterContext *
mail_formatter_create_context (EMailFormatter *formatter)
{
EMailFormatterClass *formatter_class;
formatter_class = E_MAIL_FORMATTER_GET_CLASS (formatter);
if (formatter_class->create_context) {
if (!formatter_class->free_context) {
g_warning ("%s implements create_context() but "
"does not implement free_context()!",
G_OBJECT_TYPE_NAME (formatter));
}
return formatter_class->create_context (formatter);
}
return g_new0 (EMailFormatterContext, 1);
}
static void
mail_formatter_free_context (EMailFormatter *formatter,
EMailFormatterContext *context)
{
EMailFormatterClass *formatter_class;
formatter_class = E_MAIL_FORMATTER_GET_CLASS (formatter);
if (formatter_class->free_context) {
formatter_class->free_context (formatter, context);
} else {
g_free (context);
}
}
static void
mail_formatter_set_style (EMailFormatter *formatter,
GtkStyle *style,
GtkStateType state)
{
GdkColor *color;
EMailFormatterColorType type;
g_object_freeze_notify (G_OBJECT (formatter));
color = &style->bg[state];
type = E_MAIL_FORMATTER_COLOR_BODY;
e_mail_formatter_set_color (formatter, type, color);
color = &style->base[GTK_STATE_NORMAL];
type = E_MAIL_FORMATTER_COLOR_CONTENT;
e_mail_formatter_set_color (formatter, type, color);
color = &style->dark[state];
type = E_MAIL_FORMATTER_COLOR_FRAME;
e_mail_formatter_set_color (formatter, type, color);
color = &style->fg[state];
type = E_MAIL_FORMATTER_COLOR_HEADER;
e_mail_formatter_set_color (formatter, type, color);
color = &style->text[state];
type = E_MAIL_FORMATTER_COLOR_TEXT;
e_mail_formatter_set_color (formatter, type, color);
g_object_thaw_notify (G_OBJECT (formatter));
}
static void
e_mail_formatter_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_BODY_COLOR:
e_mail_formatter_set_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_BODY,
g_value_get_boxed (value));
return;
case PROP_CITATION_COLOR:
e_mail_formatter_set_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_CITATION,
g_value_get_boxed (value));
return;
case PROP_CONTENT_COLOR:
e_mail_formatter_set_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_CONTENT,
g_value_get_boxed (value));
return;
case PROP_FRAME_COLOR:
e_mail_formatter_set_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_FRAME,
g_value_get_boxed (value));
return;
case PROP_HEADER_COLOR:
e_mail_formatter_set_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_HEADER,
g_value_get_boxed (value));
return;
case PROP_IMAGE_LOADING_POLICY:
e_mail_formatter_set_image_loading_policy (
E_MAIL_FORMATTER (object),
g_value_get_int (value));
return;
case PROP_MARK_CITATIONS:
e_mail_formatter_set_mark_citations (
E_MAIL_FORMATTER (object),
g_value_get_boolean (value));
return;
case PROP_ONLY_LOCAL_PHOTOS:
e_mail_formatter_set_only_local_photos (
E_MAIL_FORMATTER (object),
g_value_get_boolean (value));
return;
case PROP_SHOW_SENDER_PHOTO:
e_mail_formatter_set_show_sender_photo (
E_MAIL_FORMATTER (object),
g_value_get_boolean (value));
return;
case PROP_SHOW_REAL_DATE:
e_mail_formatter_set_show_real_date (
E_MAIL_FORMATTER (object),
g_value_get_boolean (value));
return;
case PROP_TEXT_COLOR:
e_mail_formatter_set_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_TEXT,
g_value_get_boxed (value));
return;
case PROP_ANIMATE_IMAGES:
e_mail_formatter_set_animate_images (
E_MAIL_FORMATTER (object),
g_value_get_boolean (value));
return;
case PROP_CHARSET:
e_mail_formatter_set_charset (
E_MAIL_FORMATTER (object),
g_value_get_string (value));
return;
case PROP_DEFAULT_CHARSET:
e_mail_formatter_set_default_charset (
E_MAIL_FORMATTER (object),
g_value_get_string (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
e_mail_formatter_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_BODY_COLOR:
g_value_set_boxed (value,
e_mail_formatter_get_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_BODY));
return;
case PROP_CITATION_COLOR:
g_value_set_boxed (value,
e_mail_formatter_get_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_CITATION));
return;
case PROP_CONTENT_COLOR:
g_value_set_boxed (value,
e_mail_formatter_get_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_CONTENT));
return;
case PROP_FRAME_COLOR:
g_value_set_boxed (value,
e_mail_formatter_get_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_FRAME));
return;
case PROP_HEADER_COLOR:
g_value_set_boxed (value,
e_mail_formatter_get_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_HEADER));
return;
case PROP_IMAGE_LOADING_POLICY:
g_value_set_int (
value,
e_mail_formatter_get_image_loading_policy (
E_MAIL_FORMATTER (object)));
return;
case PROP_MARK_CITATIONS:
g_value_set_boolean (
value, e_mail_formatter_get_mark_citations (
E_MAIL_FORMATTER (object)));
return;
case PROP_ONLY_LOCAL_PHOTOS:
g_value_set_boolean (
value, e_mail_formatter_get_only_local_photos (
E_MAIL_FORMATTER (object)));
return;
case PROP_SHOW_SENDER_PHOTO:
g_value_set_boolean (
value, e_mail_formatter_get_show_sender_photo (
E_MAIL_FORMATTER (object)));
return;
case PROP_SHOW_REAL_DATE:
g_value_set_boolean (
value, e_mail_formatter_get_show_real_date (
E_MAIL_FORMATTER (object)));
return;
case PROP_TEXT_COLOR:
g_value_set_boxed (value,
e_mail_formatter_get_color (
E_MAIL_FORMATTER (object),
E_MAIL_FORMATTER_COLOR_TEXT));
return;
case PROP_ANIMATE_IMAGES:
g_value_set_boolean (
value, e_mail_formatter_get_animate_images (
E_MAIL_FORMATTER (object)));
return;
case PROP_CHARSET:
g_value_set_string (
value, e_mail_formatter_get_charset (
E_MAIL_FORMATTER (object)));
return;
case PROP_DEFAULT_CHARSET:
g_value_set_string (
value, e_mail_formatter_get_default_charset (
E_MAIL_FORMATTER (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
e_mail_formatter_init (EMailFormatter *formatter)
{
formatter->priv = E_MAIL_FORMATTER_GET_PRIVATE (formatter);
formatter->priv->header_list = g_queue_new ();
e_mail_formatter_set_default_headers (formatter);
}
static void
e_mail_formatter_finalize (GObject *object)
{
EMailFormatterPrivate *priv;
priv = E_MAIL_FORMATTER (object)->priv;
if (priv->charset) {
g_free (priv->charset);
priv->charset = NULL;
}
if (priv->default_charset) {
g_free (priv->default_charset);
priv->default_charset = NULL;
}
if (priv->header_list) {
e_mail_formatter_clear_headers (E_MAIL_FORMATTER (object));
g_queue_free (priv->header_list);
priv->header_list = NULL;
}
/* Chain up to parent's finalize() */
G_OBJECT_CLASS (e_mail_formatter_parent_class)->finalize (object);
}
static void
e_mail_formatter_base_init (EMailFormatterClass *class)
{
class->extension_registry = g_object_new (
E_TYPE_MAIL_FORMATTER_EXTENSION_REGISTRY, NULL);
e_mail_formatter_internal_extensions_load (
E_MAIL_EXTENSION_REGISTRY (class->extension_registry));
e_extensible_load_extensions (
E_EXTENSIBLE (class->extension_registry));
class->text_html_flags =
CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS |
CAMEL_MIME_FILTER_TOHTML_CONVERT_NL |
CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES |
CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES |
CAMEL_MIME_FILTER_TOHTML_MARK_CITATION;
}
static void
e_mail_formatter_base_finalize (EMailFormatterClass *class)
{
g_object_unref (class->extension_registry);
}
static void
e_mail_formatter_constructed (GObject *object)
{
G_OBJECT_CLASS (e_mail_formatter_parent_class)->constructed (object);
e_extensible_load_extensions (E_EXTENSIBLE (object));
}
static void
e_mail_formatter_class_init (EMailFormatterClass *class)
{
GObjectClass *object_class;
GdkColor *color;
e_mail_formatter_parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (EMailFormatterPrivate));
class->run = mail_formatter_run;
/* EMailFormatter calls these directly */
class->create_context = NULL;
class->free_context = NULL;
class->set_style = mail_formatter_set_style;
color = &class->colors[E_MAIL_FORMATTER_COLOR_BODY];
gdk_color_parse ("#eeeeee", color);
color = &class->colors[E_MAIL_FORMATTER_COLOR_CONTENT];
gdk_color_parse ("#ffffff", color);
color = &class->colors[E_MAIL_FORMATTER_COLOR_FRAME];
gdk_color_parse ("#3f3f3f", color);
color = &class->colors[E_MAIL_FORMATTER_COLOR_HEADER];
gdk_color_parse ("#eeeeee", color);
color = &class->colors[E_MAIL_FORMATTER_COLOR_TEXT];
gdk_color_parse ("#000000", color);
object_class = G_OBJECT_CLASS (class);
object_class->constructed = e_mail_formatter_constructed;
object_class->get_property = e_mail_formatter_get_property;
object_class->set_property = e_mail_formatter_set_property;
object_class->finalize = e_mail_formatter_finalize;
g_object_class_install_property (
object_class,
PROP_BODY_COLOR,
g_param_spec_boxed (
"body-color",
"Body Color",
NULL,
GDK_TYPE_COLOR,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_CITATION_COLOR,
g_param_spec_boxed (
"citation-color",
"Citation Color",
NULL,
GDK_TYPE_COLOR,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_CONTENT_COLOR,
g_param_spec_boxed (
"content-color",
"Content Color",
NULL,
GDK_TYPE_COLOR,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_FRAME_COLOR,
g_param_spec_boxed (
"frame-color",
"Frame Color",
NULL,
GDK_TYPE_COLOR,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_HEADER_COLOR,
g_param_spec_boxed (
"header-color",
"Header Color",
NULL,
GDK_TYPE_COLOR,
G_PARAM_READWRITE));
/* FIXME Make this a proper enum property. */
g_object_class_install_property (
object_class,
PROP_IMAGE_LOADING_POLICY,
g_param_spec_int (
"image-loading-policy",
"Image Loading Policy",
NULL,
E_MAIL_IMAGE_LOADING_POLICY_NEVER,
E_MAIL_IMAGE_LOADING_POLICY_ALWAYS,
E_MAIL_IMAGE_LOADING_POLICY_NEVER,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_MARK_CITATIONS,
g_param_spec_boolean (
"mark-citations",
"Mark Citations",
NULL,
TRUE,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_ONLY_LOCAL_PHOTOS,
g_param_spec_boolean (
"only-local-photos",
"Only Local Photos",
NULL,
TRUE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (
object_class,
PROP_SHOW_SENDER_PHOTO,
g_param_spec_boolean (
"show-sender-photo",
"Show Sender Photo",
NULL,
FALSE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (
object_class,
PROP_SHOW_REAL_DATE,
g_param_spec_boolean (
"show-real-date",
"Show real Date header value",
NULL,
TRUE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (
object_class,
PROP_TEXT_COLOR,
g_param_spec_boxed (
"text-color",
"Text Color",
NULL,
GDK_TYPE_COLOR,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_ANIMATE_IMAGES,
g_param_spec_boolean (
"animate-images",
"Animate images",
NULL,
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_CHARSET,
g_param_spec_string (
"charset",
NULL,
NULL,
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_DEFAULT_CHARSET,
g_param_spec_string (
"default-charset",
NULL,
NULL,
NULL,
G_PARAM_READWRITE));
signals[NEED_REDRAW] = g_signal_new (
"need-redraw",
E_TYPE_MAIL_FORMATTER,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EMailFormatterClass, need_redraw),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0, NULL);
}
static void
e_mail_formatter_extensible_interface_init (EExtensibleInterface *interface)
{
}
EMailFormatter *
e_mail_formatter_new (void)
{
return g_object_new (E_TYPE_MAIL_FORMATTER, NULL);
}
GType
e_mail_formatter_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
const GTypeInfo type_info = {
sizeof (EMailFormatterClass),
(GBaseInitFunc) e_mail_formatter_base_init,
(GBaseFinalizeFunc) e_mail_formatter_base_finalize,
(GClassInitFunc) e_mail_formatter_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (EMailFormatter),
0, /* n_preallocs */
(GInstanceInitFunc) e_mail_formatter_init,
NULL /* value_table */
};
const GInterfaceInfo e_extensible_interface_info = {
(GInterfaceInitFunc) e_mail_formatter_extensible_interface_init
};
type = g_type_register_static (G_TYPE_OBJECT,
"EMailFormatter", &type_info, 0);
g_type_add_interface_static (type,
E_TYPE_EXTENSIBLE, &e_extensible_interface_info);
}
return type;
}
void
e_mail_formatter_format_sync (EMailFormatter *formatter,
EMailPartList *parts,
CamelStream *stream,
guint32 flags,
EMailFormatterMode mode,
GCancellable *cancellable)
{
EMailFormatterContext *context;
EMailFormatterClass *formatter_class;
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
g_return_if_fail (CAMEL_IS_STREAM (stream));
formatter_class = E_MAIL_FORMATTER_GET_CLASS (formatter);
g_return_if_fail (formatter_class->run != NULL);
context = mail_formatter_create_context (formatter);
context->message = parts->message;
context->folder = parts->folder;
context->message_uid = parts->message_uid;
context->parts = parts->list;
context->flags = flags;
context->mode = mode;
formatter_class->run (
formatter, context, stream, cancellable);
mail_formatter_free_context (formatter, context);
}
static void
mail_format_async_prepare (GSimpleAsyncResult *result,
GObject *object,
GCancellable *cancellable)
{
EMailFormatterContext *context;
EMailFormatterClass *formatter_class;
CamelStream *stream;
context = g_object_get_data (G_OBJECT (result), "context");
stream = g_object_get_data (G_OBJECT (result), "stream");
formatter_class = E_MAIL_FORMATTER_GET_CLASS (object);
formatter_class->run (
E_MAIL_FORMATTER (object), context, stream, cancellable);
}
void
e_mail_formatter_format (EMailFormatter *formatter,
EMailPartList *parts,
CamelStream *stream,
guint32 flags,
EMailFormatterMode mode,
GAsyncReadyCallback callback,
GCancellable *cancellable,
gpointer user_data)
{
GSimpleAsyncResult *simple;
EMailFormatterContext *context;
EMailFormatterClass *formatter_class;
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
g_return_if_fail (CAMEL_IS_STREAM (stream));
formatter_class = E_MAIL_FORMATTER_GET_CLASS (formatter);
g_return_if_fail (formatter_class->run != NULL);
simple = g_simple_async_result_new (
G_OBJECT (formatter), callback,
user_data, e_mail_formatter_format);
g_simple_async_result_set_check_cancellable (simple, cancellable);
if (!parts && callback) {
callback (G_OBJECT (formatter), G_ASYNC_RESULT (simple), user_data);
g_object_unref (simple);
return;
}
context = mail_formatter_create_context (formatter);
context->message = g_object_ref (parts->message);
context->folder = g_object_ref (parts->folder);
context->message_uid = g_strdup (parts->message_uid);
context->parts = g_slist_copy (parts->list);
g_slist_foreach (context->parts, (GFunc) e_mail_part_ref, NULL);
context->flags = flags;
context->mode = mode;
g_object_set_data (G_OBJECT (simple), "context", context);
g_object_set_data (G_OBJECT (simple), "stream", stream);
g_simple_async_result_run_in_thread (
simple, mail_format_async_prepare,
G_PRIORITY_DEFAULT, cancellable);
g_object_unref (simple);
}
CamelStream *
e_mail_formatter_format_finished (EMailFormatter *formatter,
GAsyncResult *result,
GError *error)
{
EMailFormatterContext *context;
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), NULL);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), NULL);
context = g_object_get_data (G_OBJECT (result), "context");
g_free (context->message_uid);
g_object_unref (context->message);
g_object_unref (context->folder);
g_slist_foreach (context->parts, (GFunc) e_mail_part_unref, NULL);
g_slist_free (context->parts);
mail_formatter_free_context (formatter, context);
return g_object_get_data (G_OBJECT (result), "stream");
}
/**
* e_mail_formatter_format_as:
* @formatter: an #EMailFormatter
* @context: an #EMailFormatterContext
* @part: an #EMailPart
* @stream: a #CamelStream
* @as_mime_type: (allow-none) mime-type to use for formatting, or %NULL
* @cancellable: (allow-none) an optional #GCancellable
*
* Formats given @part using a @formatter extension for given mime type. When
* the mime type is %NULL, the function will try to lookup the best formatter
* for given @part by it's default mime type.
*
* Return Value: %TRUE on success, %FALSE when no suitable formatter is found or
* when it fails to format the part.
*/
gboolean
e_mail_formatter_format_as (EMailFormatter *formatter,
EMailFormatterContext *context,
EMailPart *part,
CamelStream *stream,
const gchar *as_mime_type,
GCancellable *cancellable)
{
EMailExtensionRegistry *reg;
GQueue *formatters;
GList *iter;
gboolean ok;
d (
gint _call_i;
static gint _call = 0;
G_LOCK_DEFINE_STATIC (_call);
G_LOCK (_call);
_call++;
_call_i = _call;
G_UNLOCK (_call)
);
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), FALSE);
g_return_val_if_fail (part, FALSE);
g_return_val_if_fail (CAMEL_IS_STREAM (stream), FALSE);
if (!as_mime_type || !*as_mime_type)
as_mime_type = part->mime_type;
if (!as_mime_type || !*as_mime_type)
return FALSE;
reg = e_mail_formatter_get_extension_registry (formatter);
formatters = e_mail_extension_registry_get_for_mime_type (
reg, as_mime_type);
if (!formatters) {
formatters = e_mail_extension_registry_get_fallback (
reg, as_mime_type);
}
ok = FALSE;
d (printf ("(%d) Formatting for part %s of type %s (found %d formatters)\n",
_call_i, part->id, as_mime_type,
formatters ? g_queue_get_length (formatters) : 0));
if (formatters) {
for (iter = formatters->head; iter; iter = iter->next) {
EMailFormatterExtension *extension;
extension = iter->data;
if (!extension)
continue;
ok = e_mail_formatter_extension_format (
extension, formatter, context,
part, stream, cancellable);
d (printf ("\t(%d) trying %s...%s\n", _call_i,
G_OBJECT_TYPE_NAME (extension),
ok ? "OK" : "failed"));
if (ok)
break;
}
}
return ok;
}
/**
* em_format_format_text:
* @part: an #EMailPart to decode
* @formatter: an #EMailFormatter
* @stream: Where to write the converted text
* @cancellable: optional #GCancellable object, or %NULL
*
* Decode/output a part's content to @stream.
**/
void
e_mail_formatter_format_text (EMailFormatter *formatter,
EMailPart *part,
CamelStream *stream,
GCancellable *cancellable)
{
CamelStream *filter_stream;
CamelMimeFilter *filter;
const gchar *charset = NULL;
CamelMimeFilterWindows *windows = NULL;
CamelStream *mem_stream = NULL;
CamelDataWrapper *dw;
if (g_cancellable_is_cancelled (cancellable))
return;
dw = CAMEL_DATA_WRAPPER (part->part);
if (formatter->priv->charset) {
charset = formatter->priv->charset;
} else if (dw->mime_type
&& (charset = camel_content_type_param (dw->mime_type, "charset"))
&& g_ascii_strncasecmp (charset, "iso-8859-", 9) == 0) {
CamelStream *null;
/* Since a few Windows mailers like to claim they sent
* out iso-8859-# encoded text when they really sent
* out windows-cp125#, do some simple sanity checking
* before we move on... */
null = camel_stream_null_new ();
filter_stream = camel_stream_filter_new (null);
g_object_unref (null);
windows = (CamelMimeFilterWindows *) camel_mime_filter_windows_new (charset);
camel_stream_filter_add (
CAMEL_STREAM_FILTER (filter_stream),
CAMEL_MIME_FILTER (windows));
camel_data_wrapper_decode_to_stream_sync (
dw, (CamelStream *) filter_stream, cancellable, NULL);
camel_stream_flush ((CamelStream *) filter_stream, cancellable, NULL);
g_object_unref (filter_stream);
charset = camel_mime_filter_windows_real_charset (windows);
} else if (charset == NULL) {
charset = formatter->priv->default_charset;
}
mem_stream = (CamelStream *) camel_stream_mem_new ();
filter_stream = camel_stream_filter_new (mem_stream);
if ((filter = camel_mime_filter_charset_new (charset, "UTF-8"))) {
camel_stream_filter_add (
CAMEL_STREAM_FILTER (filter_stream),
CAMEL_MIME_FILTER (filter));
g_object_unref (filter);
}
camel_data_wrapper_decode_to_stream_sync (
camel_medium_get_content ((CamelMedium *) dw),
(CamelStream *) filter_stream, cancellable, NULL);
camel_stream_flush ((CamelStream *) filter_stream, cancellable, NULL);
g_object_unref (filter_stream);
g_seekable_seek (G_SEEKABLE (mem_stream), 0, G_SEEK_SET, NULL, NULL);
camel_stream_write_to_stream (
mem_stream, (CamelStream *) stream, cancellable, NULL);
camel_stream_flush ((CamelStream *) mem_stream, cancellable, NULL);
if (windows) {
g_object_unref (windows);
}
g_object_unref (mem_stream);
}
gchar *
e_mail_formatter_get_html_header (EMailFormatter *formatter)
{
return g_strdup_printf (
"<!DOCTYPE HTML>\n<html>\n"
"<head>\n<meta name=\"generator\" content=\"Evolution Mail Component\" />\n"
"<title>Evolution Mail Display</title>\n"
"<link type=\"text/css\" rel=\"stylesheet\" href=\"evo-file://" EVOLUTION_PRIVDATADIR "/theme/webview.css\" />\n"
"<style type=\"text/css\">\n"
" table th { color: #%06x; font-weight: bold; }\n"
"</style>\n"
"</head><body bgcolor=\"#%06x\" text=\"#%06x\">",
e_color_to_value ((GdkColor *)
e_mail_formatter_get_color (
formatter, E_MAIL_FORMATTER_COLOR_HEADER)),
e_color_to_value ((GdkColor *)
e_mail_formatter_get_color (
formatter, E_MAIL_FORMATTER_COLOR_BODY)),
e_color_to_value ((GdkColor *)
e_mail_formatter_get_color (
formatter, E_MAIL_FORMATTER_COLOR_TEXT)));
}
EMailExtensionRegistry *
e_mail_formatter_get_extension_registry (EMailFormatter *formatter)
{
EMailFormatterClass * formatter_class;
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), NULL);
formatter_class = E_MAIL_FORMATTER_GET_CLASS (formatter);
return E_MAIL_EXTENSION_REGISTRY (formatter_class->extension_registry);
}
guint32
e_mail_formatter_get_text_format_flags (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), 0);
return E_MAIL_FORMATTER_GET_CLASS (formatter)->text_html_flags;
}
const GdkColor *
e_mail_formatter_get_color (EMailFormatter *formatter,
EMailFormatterColorType type)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), NULL);
g_return_val_if_fail (type < E_MAIL_FORMATTER_NUM_COLOR_TYPES, NULL);
return &E_MAIL_FORMATTER_GET_CLASS (formatter)->colors[type];
}
void
e_mail_formatter_set_color (EMailFormatter *formatter,
EMailFormatterColorType type,
const GdkColor *color)
{
GdkColor *format_color;
const gchar *property_name;
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
g_return_if_fail (type < E_MAIL_FORMATTER_NUM_COLOR_TYPES);
g_return_if_fail (color != NULL);
format_color = &E_MAIL_FORMATTER_GET_CLASS (formatter)->colors[type];
if (gdk_color_equal (color, format_color))
return;
format_color->red = color->red;
format_color->green = color->green;
format_color->blue = color->blue;
switch (type) {
case E_MAIL_FORMATTER_COLOR_BODY:
property_name = "body-color";
break;
case E_MAIL_FORMATTER_COLOR_CITATION:
property_name = "citation-color";
break;
case E_MAIL_FORMATTER_COLOR_CONTENT:
property_name = "content-color";
break;
case E_MAIL_FORMATTER_COLOR_FRAME:
property_name = "frame-color";
break;
case E_MAIL_FORMATTER_COLOR_HEADER:
property_name = "header-color";
break;
case E_MAIL_FORMATTER_COLOR_TEXT:
property_name = "text-color";
break;
default:
g_return_if_reached ();
}
g_object_notify (G_OBJECT (formatter), property_name);
}
void
e_mail_formatter_set_style (EMailFormatter *formatter,
GtkStyle *style,
GtkStateType state)
{
EMailFormatterClass *formatter_class;
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
g_return_if_fail (GTK_IS_STYLE (style));
formatter_class = E_MAIL_FORMATTER_GET_CLASS (formatter);
g_return_if_fail (formatter_class->set_style != NULL);
formatter_class->set_style (formatter, style, state);
}
EMailImageLoadingPolicy
e_mail_formatter_get_image_loading_policy (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), 0);
return formatter->priv->image_loading_policy;
}
void
e_mail_formatter_set_image_loading_policy (EMailFormatter *formatter,
EMailImageLoadingPolicy policy)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
if (policy == formatter->priv->image_loading_policy)
return;
formatter->priv->image_loading_policy = policy;
g_object_notify (G_OBJECT (formatter), "image-loading-policy");
}
gboolean
e_mail_formatter_get_mark_citations (EMailFormatter *formatter)
{
guint32 flags;
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), FALSE);
flags = E_MAIL_FORMATTER_GET_CLASS (formatter)->text_html_flags;
return ((flags & CAMEL_MIME_FILTER_TOHTML_MARK_CITATION) != 0);
}
void
e_mail_formatter_set_mark_citations (EMailFormatter *formatter,
gboolean mark_citations)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
if (((E_MAIL_FORMATTER_GET_CLASS (formatter)->text_html_flags
& CAMEL_MIME_FILTER_TOHTML_MARK_CITATION) ? 1 : 0) == (mark_citations ? 1 : 0))
return;
if (mark_citations)
E_MAIL_FORMATTER_GET_CLASS (formatter)->text_html_flags |=
CAMEL_MIME_FILTER_TOHTML_MARK_CITATION;
else
E_MAIL_FORMATTER_GET_CLASS (formatter)->text_html_flags &=
~CAMEL_MIME_FILTER_TOHTML_MARK_CITATION;
g_object_notify (G_OBJECT (formatter), "mark-citations");
}
gboolean
e_mail_formatter_get_only_local_photos (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), FALSE);
return formatter->priv->only_local_photos;
}
void
e_mail_formatter_set_only_local_photos (EMailFormatter *formatter,
gboolean only_local_photos)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
if ((formatter->priv->only_local_photos ? 1 : 0) == (only_local_photos ? 1 : 0))
return;
formatter->priv->only_local_photos = only_local_photos;
g_object_notify (G_OBJECT (formatter), "only-local-photos");
}
gboolean
e_mail_formatter_get_show_sender_photo (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), FALSE);
return formatter->priv->show_sender_photo;
}
void
e_mail_formatter_set_show_sender_photo (EMailFormatter *formatter,
gboolean show_sender_photo)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
if ((formatter->priv->show_sender_photo ? 1 : 0) == (show_sender_photo ? 1 : 0))
return;
formatter->priv->show_sender_photo = show_sender_photo;
g_object_notify (G_OBJECT (formatter), "show-sender-photo");
}
gboolean
e_mail_formatter_get_show_real_date (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), FALSE);
return formatter->priv->show_real_date;
}
void
e_mail_formatter_set_show_real_date (EMailFormatter *formatter,
gboolean show_real_date)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
if ((formatter->priv->show_real_date ? 1 : 0) == (show_real_date ? 1 : 0))
return;
formatter->priv->show_real_date = show_real_date;
g_object_notify (G_OBJECT (formatter), "show-real-date");
}
gboolean
e_mail_formatter_get_animate_images (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), FALSE);
return formatter->priv->animate_images;
}
void
e_mail_formatter_set_animate_images (EMailFormatter *formatter,
gboolean animate_images)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
if ((formatter->priv->animate_images ? 1 : 0) == (animate_images ? 1 : 0))
return;
formatter->priv->animate_images = animate_images;
g_object_notify (G_OBJECT (formatter), "animate-images");
}
const gchar *
e_mail_formatter_get_charset (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), NULL);
return formatter->priv->charset;
}
void
e_mail_formatter_set_charset (EMailFormatter *formatter,
const gchar *charset)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
if (g_strcmp0 (formatter->priv->charset, charset) == 0)
return;
g_free (formatter->priv->charset);
if (!charset) {
formatter->priv->charset = NULL;
} else {
formatter->priv->charset = g_strdup (charset);
}
g_object_notify (G_OBJECT (formatter), "charset");
}
const gchar *
e_mail_formatter_get_default_charset (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), NULL);
return formatter->priv->default_charset;
}
void
e_mail_formatter_set_default_charset (EMailFormatter *formatter,
const gchar *default_charset)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
g_return_if_fail (default_charset && *default_charset);
if (g_strcmp0 (formatter->priv->default_charset, default_charset) == 0)
return;
g_free (formatter->priv->default_charset);
formatter->priv->default_charset = g_strdup (default_charset);
g_object_notify (G_OBJECT (formatter), "default-charset");
}
/* note: also copied in em-mailer-prefs.c */
static const struct {
const gchar *name;
guint32 flags;
} default_headers[] = {
{ N_("From"), E_MAIL_FORMATTER_HEADER_FLAG_BOLD },
{ N_("Reply-To"), E_MAIL_FORMATTER_HEADER_FLAG_BOLD },
{ N_("To"), E_MAIL_FORMATTER_HEADER_FLAG_BOLD },
{ N_("Cc"), E_MAIL_FORMATTER_HEADER_FLAG_BOLD },
{ N_("Bcc"), E_MAIL_FORMATTER_HEADER_FLAG_BOLD },
{ N_("Subject"), E_MAIL_FORMATTER_HEADER_FLAG_BOLD },
{ N_("Date"), E_MAIL_FORMATTER_HEADER_FLAG_BOLD },
{ N_("Newsgroups"), E_MAIL_FORMATTER_HEADER_FLAG_BOLD },
{ N_("Face"), 0 },
};
/**
* e_mail_formatter_get_headers:
* @formatter: an #EMailFormatter
*
* Returns list of currently set headers.
*
* Return Value: A #GQueue of headers which you should not modify or unref
*/
const GQueue *
e_mail_formatter_get_headers (EMailFormatter *formatter)
{
g_return_val_if_fail (E_IS_MAIL_FORMATTER (formatter), NULL);
return formatter->priv->header_list;
}
/**
* e_mail_formatter_clear_headers:
* @formatter: an #EMailFormatter
*
* Clear the list of headers to be displayed. This will force all headers to
* be shown.
**/
void
e_mail_formatter_clear_headers (EMailFormatter *formatter)
{
EMailFormatterHeader *header;
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
while ((header = g_queue_pop_head (formatter->priv->header_list)) != NULL) {
e_mail_formatter_header_free (header);
}
}
/**
* e_mail_formatter_set_default_headers:
* @formatter: an #EMailFormatter
*
* Clear the list of headers and sets the default ones, e.g. "To", "From", "Cc"
* "Subject", etc...
*/
void
e_mail_formatter_set_default_headers (EMailFormatter *formatter)
{
gint ii;
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
/* Set the default headers */
e_mail_formatter_clear_headers (formatter);
for (ii = 0; ii < G_N_ELEMENTS (default_headers); ii++) {
e_mail_formatter_add_header (
formatter, default_headers[ii].name, NULL,
default_headers[ii].flags);
}
}
/**
* e_mail_formatter_add_header:
* @formatter:
* @name: The name of the header, as it will appear during output.
* @value: Value of the header. Can be %NULL.
* @flags: EM_FORMAT_HEAD_* defines to control display attributes.
*
* Add a specific header to show. If any headers are set, they will
* be displayed in the order set by this function. Certain known
* headers included in this list will be shown using special
* formatting routines.
**/
void
e_mail_formatter_add_header (EMailFormatter *formatter,
const gchar *name,
const gchar *value,
guint32 flags)
{
EMailFormatterHeader *h;
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
g_return_if_fail (name && *name);
h = e_mail_formatter_header_new (name, value);
h->flags = flags;
g_queue_push_tail (formatter->priv->header_list, h);
g_signal_emit (formatter, signals[NEED_REDRAW], 0, NULL);
}
void
e_mail_formatter_add_header_struct (EMailFormatter *formatter,
const EMailFormatterHeader *header)
{
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
g_return_if_fail (header && header->name);
e_mail_formatter_add_header (formatter, header->name, header->value, header->flags);
}
void e_mail_formatter_remove_header (EMailFormatter *formatter,
const gchar *name,
const gchar *value)
{
GList *iter = NULL;
g_return_if_fail (E_IS_MAIL_FORMATTER (formatter));
g_return_if_fail (name && *name);
iter = g_queue_peek_head_link (formatter->priv->header_list);
while (iter) {
EMailFormatterHeader *header = iter->data;
if (!header->value || !*header->value) {
GList *next = iter->next;
if (g_strcmp0 (name, header->name) == 0)
g_queue_delete_link (formatter->priv->header_list, iter);
iter = next;
continue;
}
if (value && *value) {
if ((g_strcmp0 (name, header->name) == 0) &&
(g_strcmp0 (value, header->value) == 0))
break;
} else {
if (g_strcmp0 (name, header->name) == 0)
break;
}
iter = iter->next;
}
if (iter) {
e_mail_formatter_header_free (iter->data);
g_queue_delete_link (formatter->priv->header_list, iter);
}
}
void
e_mail_formatter_remove_header_struct (EMailFormatter *formatter,
const EMailFormatterHeader *header)
{
g_return_if_fail (header != NULL);
e_mail_formatter_remove_header (formatter, header->name, header->value);
}
EMailFormatterHeader *
e_mail_formatter_header_new (const gchar *name,
const gchar *value)
{
EMailFormatterHeader *header;
g_return_val_if_fail (name && *name, NULL);
header = g_new0 (EMailFormatterHeader, 1);
header->name = g_strdup (name);
if (value && *value)
header->value = g_strdup (value);
return header;
}
void
e_mail_formatter_header_free (EMailFormatterHeader *header)
{
g_return_if_fail (header);
if (header->name) {
g_free (header->name);
header->name = NULL;
}
if (header->value) {
g_free (header->value);
header->value = NULL;
}
g_free (header);
}
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