68f27ce0c8
Avoid redrawing (thus loosing the selection and scroll position) of preview window on style change by defining the colors through CSS styles. On style change we just update the CSS color definitions and preview will update itself without redraw.
126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
/*
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* evolution-source.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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <glib/gi18n-lib.h>
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#include <e-util/e-util.h>
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#include "e-mail-formatter-extension.h"
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#include "e-mail-inline-filter.h"
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typedef EMailFormatterExtension EMailFormatterSource;
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typedef EMailFormatterExtensionClass EMailFormatterSourceClass;
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GType e_mail_formatter_source_get_type (void);
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G_DEFINE_TYPE (
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EMailFormatterSource,
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e_mail_formatter_source,
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E_TYPE_MAIL_FORMATTER_EXTENSION)
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static const gchar *formatter_mime_types[] = {
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"application/vnd.evolution.source",
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NULL
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};
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static gboolean
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emfe_source_format (EMailFormatterExtension *extension,
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EMailFormatter *formatter,
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EMailFormatterContext *context,
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EMailPart *part,
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CamelStream *stream,
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GCancellable *cancellable)
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{
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GString *buffer;
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CamelStream *filtered_stream;
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CamelMimeFilter *filter;
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CamelMimePart *mime_part;
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mime_part = e_mail_part_ref_mime_part (part);
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filtered_stream = camel_stream_filter_new (stream);
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filter = camel_mime_filter_tohtml_new (
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CAMEL_MIME_FILTER_TOHTML_CONVERT_NL |
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CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES |
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CAMEL_MIME_FILTER_TOHTML_PRESERVE_8BIT, 0);
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camel_stream_filter_add (
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CAMEL_STREAM_FILTER (filtered_stream), filter);
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g_object_unref (filter);
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buffer = g_string_new ("");
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if (CAMEL_IS_MIME_MESSAGE (mime_part)) {
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g_string_append (
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buffer,
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"<div class=\"part-container -e-mail-formatter-body-color "
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"-e-web-view-text-color\" style=\"border: 0;\" >");
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} else {
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g_string_append (
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buffer,
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"<div class=\"part-container -e-mail-formatter-body-color "
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" -e-web-view-text-color -e-mail-formatter-frame-color\">"
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"<div class=\"part-container-inner-margin pre\">\n");
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}
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camel_stream_write_string (
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stream, buffer->str, cancellable, NULL);
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camel_stream_write_string (
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stream, "<code class=\"pre\">", cancellable, NULL);
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camel_data_wrapper_write_to_stream_sync (
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CAMEL_DATA_WRAPPER (mime_part),
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filtered_stream, cancellable, NULL);
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camel_stream_flush (filtered_stream, cancellable, NULL);
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g_object_unref (filtered_stream);
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camel_stream_write_string (
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stream, "</code>", cancellable, NULL);
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g_string_free (buffer, TRUE);
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if (CAMEL_IS_MIME_MESSAGE (mime_part)) {
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camel_stream_write_string (stream, "</div>", cancellable, NULL);
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} else {
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camel_stream_write_string (stream, "</div></div>", cancellable, NULL);
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}
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g_object_unref (mime_part);
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return TRUE;
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}
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static void
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e_mail_formatter_source_class_init (EMailFormatterExtensionClass *class)
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{
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class->display_name = _("Source");
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class->description = _("Display source of a MIME part");
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class->mime_types = formatter_mime_types;
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class->priority = G_PRIORITY_LOW;
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class->format = emfe_source_format;
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}
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static void
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e_mail_formatter_source_init (EMailFormatterExtension *extension)
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{
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}
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