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-rw-r--r--libempathy-gtk/empathy-theme.c475
1 files changed, 475 insertions, 0 deletions
diff --git a/libempathy-gtk/empathy-theme.c b/libempathy-gtk/empathy-theme.c
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+++ b/libempathy-gtk/empathy-theme.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2007 Imendio AB
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include <libempathy/empathy-conf.h>
+#include <libempathy/empathy-debug.h>
+#include <libempathy/empathy-utils.h>
+#include <libempathy/empathy-marshal.h>
+
+#include "empathy-chat.h"
+#include "empathy-preferences.h"
+#include "empathy-theme-utils.h"
+#include "empathy-theme.h"
+#include "empathy-smiley-manager.h"
+
+#define DEBUG_DOMAIN "Theme"
+
+/* Number of seconds between timestamps when using normal mode, 5 minutes. */
+#define TIMESTAMP_INTERVAL 300
+
+#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_THEME, EmpathyThemePriv))
+
+typedef struct _EmpathyThemePriv EmpathyThemePriv;
+
+struct _EmpathyThemePriv {
+ EmpathySmileyManager *smiley_manager;
+ gboolean show_avatars;
+};
+
+static void theme_finalize (GObject *object);
+static void theme_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void theme_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec);
+
+
+G_DEFINE_TYPE (EmpathyTheme, empathy_theme, G_TYPE_OBJECT);
+
+enum {
+ PROP_0,
+ PROP_SHOW_AVATARS
+};
+
+enum {
+ UPDATED,
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+static void
+empathy_theme_class_init (EmpathyThemeClass *class)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (class);
+
+ object_class->finalize = theme_finalize;
+ object_class->get_property = theme_get_property;
+ object_class->set_property = theme_set_property;
+
+ class->setup_with_view = NULL;
+ class->view_cleared = NULL;
+ class->append_message = NULL;
+ class->append_event = NULL;
+ class->append_timestamp = NULL;
+ class->append_spacing = NULL;
+
+ g_object_class_install_property (object_class,
+ PROP_SHOW_AVATARS,
+ g_param_spec_boolean ("show-avatars",
+ "", "",
+ TRUE,
+ G_PARAM_READWRITE));
+
+ signals[UPDATED] =
+ g_signal_new ("updated",
+ G_TYPE_FROM_CLASS (class),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ empathy_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ g_type_class_add_private (object_class, sizeof (EmpathyThemePriv));
+}
+
+static void
+empathy_theme_init (EmpathyTheme *presence)
+{
+ EmpathyThemePriv *priv;
+
+ priv = GET_PRIV (presence);
+
+ priv->smiley_manager = empathy_smiley_manager_new ();
+}
+
+static void
+theme_finalize (GObject *object)
+{
+ EmpathyThemePriv *priv;
+
+ priv = GET_PRIV (object);
+
+ if (priv->smiley_manager) {
+ g_object_unref (priv->smiley_manager);
+ }
+
+ (G_OBJECT_CLASS (empathy_theme_parent_class)->finalize) (object);
+}
+
+static void
+theme_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EmpathyThemePriv *priv;
+
+ priv = GET_PRIV (object);
+
+ switch (param_id) {
+ case PROP_SHOW_AVATARS:
+ g_value_set_boolean (value, priv->show_avatars);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+static void
+theme_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EmpathyThemePriv *priv;
+
+ priv = GET_PRIV (object);
+
+ switch (param_id) {
+ case PROP_SHOW_AVATARS:
+ priv->show_avatars = g_value_get_boolean (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+void
+empathy_theme_maybe_append_date_and_time (EmpathyTheme *theme,
+ EmpathyThemeContext *context,
+ EmpathyChatView *view,
+ EmpathyMessage *message)
+{
+ time_t timestamp;
+ GDate *date, *last_date;
+ gboolean append_date, append_time;
+
+ date = empathy_message_get_date_and_time (message, &timestamp);
+
+ last_date = g_date_new ();
+ g_date_set_time (last_date, empathy_chat_view_get_last_timestamp (view));
+
+ append_date = FALSE;
+ append_time = FALSE;
+
+ if (g_date_compare (date, last_date) > 0) {
+ append_date = TRUE;
+ append_time = TRUE;
+ }
+
+ g_date_free (last_date);
+ g_date_free (date);
+
+ if (empathy_chat_view_get_last_timestamp (view) + TIMESTAMP_INTERVAL < timestamp) {
+ append_time = TRUE;
+ }
+
+ if (append_time || append_date) {
+ empathy_theme_append_timestamp (theme, context,
+ view, message,
+ append_date, append_time);
+ }
+}
+
+EmpathyTheme *
+empathy_theme_new (void)
+{
+ EmpathyTheme *theme;
+
+ theme = g_object_new (EMPATHY_TYPE_THEME, NULL);
+
+ return theme;
+}
+
+EmpathyThemeContext *
+empathy_theme_setup_with_view (EmpathyTheme *theme,
+ EmpathyChatView *view)
+{
+ if (!EMPATHY_THEME_GET_CLASS(theme)->setup_with_view) {
+ g_error ("Theme must override setup_with_view");
+ }
+
+ return EMPATHY_THEME_GET_CLASS(theme)->setup_with_view (theme, view);
+}
+
+void
+empathy_theme_detach_from_view (EmpathyTheme *theme,
+ EmpathyThemeContext *context,
+ EmpathyChatView *view)
+{
+ if (!EMPATHY_THEME_GET_CLASS(theme)->detach_from_view) {
+ g_error ("Theme must override detach_from_view");
+ }
+
+ return EMPATHY_THEME_GET_CLASS(theme)->detach_from_view (theme, context,
+ view);
+}
+
+void
+empathy_theme_view_cleared (EmpathyTheme *theme,
+ EmpathyThemeContext *context,
+ EmpathyChatView *view)
+{
+ if (!EMPATHY_THEME_GET_CLASS(theme)->view_cleared) {
+ return;
+ }
+
+ EMPATHY_THEME_GET_CLASS(theme)->view_cleared (theme, context, view);
+}
+
+void
+empathy_theme_append_message (EmpathyTheme *theme,
+ EmpathyThemeContext *context,
+ EmpathyChatView *view,
+ EmpathyMessage *message)
+{
+ if (!EMPATHY_THEME_GET_CLASS(theme)->append_message) {
+ g_warning ("Theme should override append_message");
+ return;
+ }
+
+ EMPATHY_THEME_GET_CLASS(theme)->append_message (theme, context, view,
+ message);
+}
+
+static void
+theme_insert_text_with_emoticons (GtkTextBuffer *buf,
+ GtkTextIter *iter,
+ const gchar *str,
+ EmpathySmileyManager *smiley_manager)
+{
+ gboolean use_smileys = FALSE;
+ GSList *smileys, *l;
+
+ empathy_conf_get_bool (empathy_conf_get (),
+ EMPATHY_PREFS_CHAT_SHOW_SMILEYS,
+ &use_smileys);
+
+ if (!use_smileys) {
+ gtk_text_buffer_insert (buf, iter, str, -1);
+ return;
+ }
+
+ smileys = empathy_smiley_manager_parse (smiley_manager, str);
+ for (l = smileys; l; l = l->next) {
+ EmpathySmiley *smiley;
+
+ smiley = l->data;
+ if (smiley->pixbuf) {
+ gtk_text_buffer_insert_pixbuf (buf, iter, smiley->pixbuf);
+ } else {
+ gtk_text_buffer_insert (buf, iter, smiley->str, -1);
+ }
+ empathy_smiley_free (smiley);
+ }
+ g_slist_free (smileys);
+}
+
+void
+empathy_theme_append_text (EmpathyTheme *theme,
+ EmpathyThemeContext *context,
+ EmpathyChatView *view,
+ const gchar *body,
+ const gchar *tag,
+ const gchar *link_tag)
+{
+ EmpathyThemePriv *priv;
+ GtkTextBuffer *buffer;
+ GtkTextIter start_iter, end_iter;
+ GtkTextMark *mark;
+ GtkTextIter iter;
+ gint num_matches, i;
+ GArray *start, *end;
+
+ priv = GET_PRIV (theme);
+ buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+
+ gtk_text_buffer_get_end_iter (buffer, &start_iter);
+ mark = gtk_text_buffer_create_mark (buffer, NULL, &start_iter, TRUE);
+
+ start = g_array_new (FALSE, FALSE, sizeof (gint));
+ end = g_array_new (FALSE, FALSE, sizeof (gint));
+
+ num_matches = empathy_regex_match (EMPATHY_REGEX_ALL, body, start, end);
+
+ if (num_matches == 0) {
+ gtk_text_buffer_get_end_iter (buffer, &iter);
+ theme_insert_text_with_emoticons (buffer, &iter, body, priv->smiley_manager);
+ } else {
+ gint last = 0;
+ gint s = 0, e = 0;
+ gchar *tmp;
+
+ for (i = 0; i < num_matches; i++) {
+ s = g_array_index (start, gint, i);
+ e = g_array_index (end, gint, i);
+
+ if (s > last) {
+ tmp = empathy_substring (body, last, s);
+
+ gtk_text_buffer_get_end_iter (buffer, &iter);
+ theme_insert_text_with_emoticons (buffer,
+ &iter,
+ tmp,
+ priv->smiley_manager);
+ g_free (tmp);
+ }
+
+ tmp = empathy_substring (body, s, e);
+
+ gtk_text_buffer_get_end_iter (buffer, &iter);
+ if (!link_tag) {
+ gtk_text_buffer_insert (buffer, &iter,
+ tmp, -1);
+ } {
+ gtk_text_buffer_insert_with_tags_by_name (buffer,
+ &iter,
+ tmp,
+ -1,
+ link_tag,
+ "link",
+ NULL);
+ }
+
+ g_free (tmp);
+
+ last = e;
+ }
+
+ if (e < strlen (body)) {
+ tmp = empathy_substring (body, e, strlen (body));
+
+ gtk_text_buffer_get_end_iter (buffer, &iter);
+ theme_insert_text_with_emoticons (buffer,
+ &iter,
+ tmp,
+ priv->smiley_manager);
+ g_free (tmp);
+ }
+ }
+
+ g_array_free (start, TRUE);
+ g_array_free (end, TRUE);
+
+ gtk_text_buffer_get_end_iter (buffer, &iter);
+ gtk_text_buffer_insert (buffer, &iter, "\n", 1);
+
+ /* Apply the style to the inserted text. */
+ gtk_text_buffer_get_iter_at_mark (buffer, &start_iter, mark);
+ gtk_text_buffer_get_end_iter (buffer, &end_iter);
+
+ gtk_text_buffer_apply_tag_by_name (buffer,
+ tag,
+ &start_iter,
+ &end_iter);
+
+ gtk_text_buffer_delete_mark (buffer, mark);
+}
+
+void
+empathy_theme_append_event (EmpathyTheme *theme,
+ EmpathyThemeContext *context,
+ EmpathyChatView *view,
+ const gchar *str)
+{
+ EMPATHY_THEME_GET_CLASS(theme)->append_event (theme, context, view, str);
+}
+
+void
+empathy_theme_append_spacing (EmpathyTheme *theme,
+ EmpathyThemeContext *context,
+ EmpathyChatView *view)
+{
+ if (!EMPATHY_THEME_GET_CLASS(theme)->append_spacing) {
+ return;
+ }
+
+ EMPATHY_THEME_GET_CLASS(theme)->append_spacing (theme, context, view);
+}
+
+
+void
+empathy_theme_append_timestamp (EmpathyTheme *theme,
+ EmpathyThemeContext *context,
+ EmpathyChatView *view,
+ EmpathyMessage *message,
+ gboolean show_date,
+ gboolean show_time)
+{
+ if (!EMPATHY_THEME_GET_CLASS(theme)->append_timestamp) {
+ return;
+ }
+
+ EMPATHY_THEME_GET_CLASS(theme)->append_timestamp (theme, context, view,
+ message, show_date,
+ show_time);
+}
+
+gboolean
+empathy_theme_get_show_avatars (EmpathyTheme *theme)
+{
+ EmpathyThemePriv *priv;
+
+ g_return_val_if_fail (EMPATHY_IS_THEME (theme), FALSE);
+
+ priv = GET_PRIV (theme);
+
+ return priv->show_avatars;
+}
+
+void
+empathy_theme_set_show_avatars (EmpathyTheme *theme, gboolean show)
+{
+ EmpathyThemePriv *priv;
+
+ g_return_if_fail (EMPATHY_IS_THEME (theme));
+
+ priv = GET_PRIV (theme);
+
+ priv->show_avatars = show;
+
+ g_object_notify (G_OBJECT (theme), "show-avatars");
+}
+
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