/* * e-signature-preview.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 * * * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * */ #include "e-signature-preview.h" #include #include #include #include #include "e-util/e-signature-utils.h" enum { PROP_0, PROP_ALLOW_SCRIPTS, PROP_SIGNATURE }; enum { REFRESH, LAST_SIGNAL }; struct _ESignaturePreviewPrivate { ESignature *signature; guint allow_scripts : 1; }; static guint signals[LAST_SIGNAL]; G_DEFINE_TYPE ( ESignaturePreview, e_signature_preview, E_TYPE_WEB_VIEW) static void signature_preview_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { switch (property_id) { case PROP_ALLOW_SCRIPTS: e_signature_preview_set_allow_scripts ( E_SIGNATURE_PREVIEW (object), g_value_get_boolean (value)); return; case PROP_SIGNATURE: e_signature_preview_set_signature ( E_SIGNATURE_PREVIEW (object), g_value_get_object (value)); return; } G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } static void signature_preview_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { switch (property_id) { case PROP_ALLOW_SCRIPTS: g_value_set_boolean ( value, e_signature_preview_get_allow_scripts ( E_SIGNATURE_PREVIEW (object))); return; case PROP_SIGNATURE: g_value_set_object ( value, e_signature_preview_get_signature ( E_SIGNATURE_PREVIEW (object))); return; } G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } static void signature_preview_dispose (GObject *object) { ESignaturePreviewPrivate *priv; priv = E_SIGNATURE_PREVIEW (object)->priv; if (priv->signature != NULL) { g_object_unref (priv->signature); priv->signature = NULL; } /* Chain up to parent's dispose() method. */ G_OBJECT_CLASS (e_signature_preview_parent_class)->dispose (object); } static void signature_preview_refresh (ESignaturePreview *preview) { EWebView *web_view; ESignature *signature; const gchar *filename; gboolean is_script; gchar *content = NULL; /* XXX We should show error messages in the preview. */ web_view = E_WEB_VIEW (preview); signature = e_signature_preview_get_signature (preview); if (signature == NULL) goto clear; filename = e_signature_get_filename (signature); is_script = e_signature_get_is_script (signature); if (is_script && !preview->priv->allow_scripts) goto clear; if (is_script) content = e_run_signature_script (filename); else content = e_read_signature_file (signature, FALSE, NULL); if (content == NULL || *content == '\0') goto clear; if (e_signature_get_is_html (signature)) e_web_view_load_string (web_view, content); else { gchar *string; string = g_strdup_printf ("
%s
", content); e_web_view_load_string (web_view, string); g_free (string); } g_free (content); return; clear: e_web_view_clear (web_view); g_free (content); } static void e_signature_preview_class_init (ESignaturePreviewClass *class) { GObjectClass *object_class; g_type_class_add_private (class, sizeof (ESignaturePreviewPrivate)); object_class = G_OBJECT_CLASS (class); object_class->set_property = signature_preview_set_property; object_class->get_property = signature_preview_get_property; object_class->dispose = signature_preview_dispose; class->refresh = signature_preview_refresh; g_object_class_install_property ( object_class, PROP_ALLOW_SCRIPTS, g_param_spec_boolean ( "allow-scripts", "Allow Scripts", NULL, TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property ( object_class, PROP_SIGNATURE, g_param_spec_object ( "signature", "Signature", NULL, E_TYPE_SIGNATURE, G_PARAM_READWRITE)); signals[REFRESH] = g_signal_new ( "refresh", G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (ESignaturePreviewClass, refresh), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); } static void e_signature_preview_init (ESignaturePreview *preview) { preview->priv = G_TYPE_INSTANCE_GET_PRIVATE (preview, E_TYPE_SIGNATURE_PREVIEW, ESignaturePreviewPrivate); } GtkWidget * e_signature_preview_new (void) { return g_object_new (E_TYPE_SIGNATURE_PREVIEW, NULL); } void e_signature_preview_refresh (ESignaturePreview *preview) { g_return_if_fail (E_IS_SIGNATURE_PREVIEW (preview)); g_signal_emit (preview, signals[REFRESH], 0); } gboolean e_signature_preview_get_allow_scripts (ESignaturePreview *preview) { g_return_val_if_fail (E_IS_SIGNATURE_PREVIEW (preview), FALSE); return preview->priv->allow_scripts; } void e_signature_preview_set_allow_scripts (ESignaturePreview *preview, gboolean allow_scripts) { g_return_if_fail (E_IS_SIGNATURE_PREVIEW (preview)); preview->priv->allow_scripts = allow_scripts; g_object_notify (G_OBJECT (preview), "allow-scripts"); } ESignature * e_signature_preview_get_signature (ESignaturePreview *preview) { g_return_val_if_fail (E_IS_SIGNATURE_PREVIEW (preview), NULL); return preview->priv->signature; } void e_signature_preview_set_signature (ESignaturePreview *preview, ESignature *signature) { g_return_if_fail (E_IS_SIGNATURE_PREVIEW (preview)); if (signature != NULL) { g_return_if_fail (E_IS_SIGNATURE (signature)); g_object_ref (signature); } if (preview->priv->signature != NULL) g_object_unref (preview->priv->signature); preview->priv->signature = signature; g_object_notify (G_OBJECT (preview), "signature"); e_signature_preview_refresh (preview); }