pidgin/pidgin

Use G_DECLARE_FINAL_TYPE for BonjourProtocol

2021-04-19, Gary Kramlich
9b65f18443aa
Use G_DECLARE_FINAL_TYPE for BonjourProtocol

Testing Done:
Connected to a Bonjour account

Reviewed at https://reviews.imfreedom.org/r/617/
/*
* Pidgin - Internet Messenger
* Copyright (C) Pidgin Developers <devel@pidgin.im>
*
* Pidgin is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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, see <https://www.gnu.org/licenses/>.
*/
#include <glib/gi18n-lib.h>
#include "pidgin/pidginavatar.h"
struct _PidginAvatar {
GtkEventBox parent;
GtkWidget *icon;
GdkPixbufAnimation *animation;
gboolean animate;
PurpleBuddy *buddy;
PurpleConversation *conversation;
};
enum {
PROP_0,
PROP_ANIMATE,
PROP_BUDDY,
PROP_CONVERSATION,
N_PROPERTIES,
};
static GParamSpec *properties[N_PROPERTIES] = {NULL, };
G_DEFINE_TYPE(PidginAvatar, pidgin_avatar, GTK_TYPE_EVENT_BOX)
/******************************************************************************
* Actions
*****************************************************************************/
static void
pidgin_avatar_save_response_cb(GtkNativeDialog *native, gint response,
gpointer data)
{
PidginAvatar *avatar = PIDGIN_AVATAR(data);
PurpleBuddyIcon *icon = NULL;
if(response != GTK_RESPONSE_ACCEPT || !PURPLE_IS_BUDDY(avatar->buddy)) {
gtk_native_dialog_destroy(native);
return;
}
icon = purple_buddy_get_icon(avatar->buddy);
if(icon != NULL) {
GtkFileChooser *chooser = GTK_FILE_CHOOSER(native);
gchar *filename = NULL;
filename = gtk_file_chooser_get_filename(chooser);
purple_buddy_icon_save_to_filename(icon, filename, NULL);
g_free(filename);
}
gtk_native_dialog_destroy(native);
}
static void
pidgin_avatar_save_cb(GSimpleAction *action, GVariant *parameter,
gpointer data)
{
PidginAvatar *avatar = PIDGIN_AVATAR(data);
PurpleAccount *account = NULL;
GtkFileChooserNative *native = NULL;
GtkFileChooser *chooser = NULL;
GtkWindow *window = NULL;
const gchar *ext = NULL, *name = NULL;
gchar *filename = NULL;
g_return_if_fail(PURPLE_IS_BUDDY(avatar->buddy));
ext = purple_buddy_icon_get_extension(purple_buddy_get_icon(avatar->buddy));
account = purple_buddy_get_account(avatar->buddy);
name = purple_buddy_get_name(avatar->buddy);
filename = g_strdup_printf("%s.%s", purple_normalize(account, name), ext);
window = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(avatar)));
native = gtk_file_chooser_native_new(_("Save Avatar"),
window,
GTK_FILE_CHOOSER_ACTION_SAVE,
_("_Save"),
_("_Cancel"));
g_signal_connect(G_OBJECT(native), "response",
G_CALLBACK(pidgin_avatar_save_response_cb), avatar);
chooser = GTK_FILE_CHOOSER(native);
gtk_file_chooser_set_do_overwrite_confirmation(chooser, TRUE);
gtk_file_chooser_set_filename(chooser, filename);
g_free(filename);
gtk_native_dialog_show(GTK_NATIVE_DIALOG(native));
}
static void
pidgin_avatar_set_custom_response_cb(GtkNativeDialog *native, gint response,
gpointer data)
{
PidginAvatar *avatar = PIDGIN_AVATAR(data);
GtkFileChooser *chooser = GTK_FILE_CHOOSER(native);
gchar *filename = NULL;
if(response != GTK_RESPONSE_ACCEPT || !PURPLE_IS_BUDDY(avatar->buddy)) {
gtk_native_dialog_destroy(native);
return;
}
filename = gtk_file_chooser_get_filename(chooser);
if(filename != NULL) {
PurpleContact *contact = purple_buddy_get_contact(avatar->buddy);
PurpleBlistNode *node = PURPLE_BLIST_NODE(contact);
purple_buddy_icons_node_set_custom_icon_from_file(node, filename);
}
gtk_native_dialog_destroy(native);
}
static void
pidgin_avatar_set_custom_cb(GSimpleAction *action, GVariant *parameter,
gpointer data)
{
PidginAvatar *avatar = PIDGIN_AVATAR(data);
GtkFileChooserNative *native = NULL;
GtkWindow *window = NULL;
window = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(avatar)));
native = gtk_file_chooser_native_new(_("Set Custom Avatar"),
window,
GTK_FILE_CHOOSER_ACTION_OPEN,
_("_Set Custom"),
_("_Cancel"));
g_signal_connect(G_OBJECT(native), "response",
G_CALLBACK(pidgin_avatar_set_custom_response_cb), avatar);
gtk_native_dialog_show(GTK_NATIVE_DIALOG(native));
}
static void
pidgin_avatar_clear_custom_cb(GSimpleAction *action, GVariant *parameter,
gpointer data)
{
PidginAvatar *avatar = PIDGIN_AVATAR(data);
if(PURPLE_IS_BUDDY(avatar->buddy)) {
PurpleContact *contact = purple_buddy_get_contact(avatar->buddy);
PurpleBlistNode *node = PURPLE_BLIST_NODE(contact);
purple_buddy_icons_node_set_custom_icon_from_file(node, NULL);
}
}
static GActionEntry actions[] = {
{
.name = "save-avatar",
.activate = pidgin_avatar_save_cb,
}, {
.name = "set-custom-avatar",
.activate = pidgin_avatar_set_custom_cb,
}, {
.name = "clear-custom-avatar",
.activate = pidgin_avatar_clear_custom_cb,
},
};
/******************************************************************************
* Helpers
*****************************************************************************/
static GdkPixbufAnimation *
pidgin_avatar_find_buddy_icon(PurpleBuddy *buddy,
PurpleIMConversation *conversation)
{
GdkPixbufAnimation *ret = NULL;
GInputStream *stream = NULL;
PurpleContact *contact = NULL;
g_return_val_if_fail(PURPLE_IS_BUDDY(buddy), NULL);
/* First check if our user has set a custom icon for this buddy. */
contact = purple_buddy_get_contact(buddy);
if(PURPLE_IS_CONTACT(contact)) {
PurpleBlistNode *node = PURPLE_BLIST_NODE(contact);
PurpleImage *custom_image = NULL;
custom_image = purple_buddy_icons_node_find_custom_icon(node);
if(PURPLE_IS_IMAGE(custom_image)) {
gconstpointer data = purple_image_get_data(custom_image);
gsize length = purple_image_get_data_size(custom_image);
stream = g_memory_input_stream_new_from_data(data, (gssize)length,
NULL);
}
}
/* If there is no custom icon, fall back to checking if the buddy has an
* icon set.
*/
if(!G_IS_INPUT_STREAM(stream)) {
PurpleBuddyIcon *icon = purple_buddy_get_icon(buddy);
if(icon != NULL) {
stream = purple_buddy_icon_get_stream(icon);
}
}
/* Finally if we still don't have icon, we fallback to asking the
* conversation for one.
*/
if(!G_IS_INPUT_STREAM(stream) && PURPLE_IS_IM_CONVERSATION(conversation)) {
PurpleBuddyIcon *icon = purple_im_conversation_get_icon(PURPLE_IM_CONVERSATION(conversation));
if(icon != NULL) {
stream = purple_buddy_icon_get_stream(icon);
}
}
if(G_IS_INPUT_STREAM(stream)) {
ret = gdk_pixbuf_animation_new_from_stream(stream, NULL, NULL);
g_clear_object(&stream);
}
return ret;
}
static void
pidgin_avatar_update(PidginAvatar *avatar) {
PurpleAccount *account = NULL;
GdkPixbufAnimation *animation = NULL;
if(PURPLE_IS_BUDDY(avatar->buddy)) {
animation = pidgin_avatar_find_buddy_icon(avatar->buddy, NULL);
} else if(PURPLE_IS_IM_CONVERSATION(avatar->conversation)) {
PurpleBuddy *buddy = NULL;
const gchar *name = NULL;
account = purple_conversation_get_account(avatar->conversation);
name = purple_conversation_get_name(avatar->conversation);
buddy = purple_blist_find_buddy(account, name);
if(PURPLE_IS_BUDDY(buddy)) {
animation = pidgin_avatar_find_buddy_icon(buddy,
PURPLE_IM_CONVERSATION(avatar->conversation));
}
}
g_set_object(&avatar->animation, animation);
if(GDK_IS_PIXBUF_ANIMATION(avatar->animation)) {
if(avatar->animate) {
gtk_image_set_from_animation(GTK_IMAGE(avatar->icon),
avatar->animation);
} else {
GdkPixbuf *frame = NULL;
frame = gdk_pixbuf_animation_get_static_image(avatar->animation);
gtk_image_set_from_pixbuf(GTK_IMAGE(avatar->icon), frame);
}
} else {
gtk_image_clear(GTK_IMAGE(avatar->icon));
}
g_clear_object(&animation);
}
/******************************************************************************
* Callbacks
*****************************************************************************/
static gboolean
pidgin_avatar_button_press_handler(GtkWidget *widget, GdkEventButton *event,
gpointer data)
{
PidginAvatar *avatar = PIDGIN_AVATAR(data);
GtkBuilder *builder = NULL;
GtkWidget *menu = NULL;
GMenuModel *model = NULL;
if(!gdk_event_triggers_context_menu((GdkEvent *)event)) {
return FALSE;
}
builder = gtk_builder_new_from_resource("/im/pidgin/Pidgin/Avatar/menu.ui");
model = (GMenuModel *)gtk_builder_get_object(builder, "menu");
menu = gtk_menu_new_from_model(model);
gtk_menu_attach_to_widget(GTK_MENU(menu), GTK_WIDGET(avatar), NULL);
g_clear_object(&builder);
gtk_widget_show_all(menu);
gtk_menu_popup_at_pointer(GTK_MENU(menu), (GdkEvent *)event);
return TRUE;
}
/*
* This function is a callback for when properties change on the buddy we're
* tracking. It should not be reused for the conversation we're tracking
* because we have to disconnect old handlers and reuse of this function will
* cause issues if a buddy is changed but a conversation is not and vice versa.
*/
static void
pidgin_avatar_buddy_icon_updated(GObject *obj, GParamSpec *pspec, gpointer d) {
PidginAvatar *avatar = PIDGIN_AVATAR(d);
pidgin_avatar_update(avatar);
}
/*
* This function is a callback for when properties change on the conversation
* we're tracking. It should not be reused for the buddy we're tracking
* because we have to disconnect old handlers and reuse of this function will
* cause issues if a buddy is changed but a conversation is not and vice versa.
*/
static void
pidgin_avatar_conversation_updated(GObject *obj, GParamSpec *pspec, gpointer d)
{
PidginAvatar *avatar = PIDGIN_AVATAR(d);
pidgin_avatar_update(avatar);
}
static gboolean
pidgin_avatar_enter_notify_handler(GtkWidget *widget, GdkEvent *event,
gpointer data)
{
PidginAvatar *avatar = PIDGIN_AVATAR(widget);
pidgin_avatar_set_animate(avatar, TRUE);
return FALSE;
}
static gboolean
pidgin_avatar_leave_notify_handler(GtkWidget *widget, GdkEvent *event,
gpointer user_data)
{
PidginAvatar *avatar = PIDGIN_AVATAR(widget);
pidgin_avatar_set_animate(avatar, FALSE);
return FALSE;
}
/******************************************************************************
* GObject Implementation
*****************************************************************************/
static void
pidgin_avatar_get_property(GObject *obj, guint param_id, GValue *value,
GParamSpec *pspec)
{
PidginAvatar *avatar = PIDGIN_AVATAR(obj);
switch(param_id) {
case PROP_ANIMATE:
g_value_set_boolean(value, pidgin_avatar_get_animate(avatar));
break;
case PROP_BUDDY:
g_value_set_object(value, pidgin_avatar_get_buddy(avatar));
break;
case PROP_CONVERSATION:
g_value_set_object(value, pidgin_avatar_get_conversation(avatar));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void
pidgin_avatar_set_property(GObject *obj, guint param_id, const GValue *value,
GParamSpec *pspec)
{
PidginAvatar *avatar = PIDGIN_AVATAR(obj);
switch(param_id) {
case PROP_ANIMATE:
pidgin_avatar_set_animate(avatar, g_value_get_boolean(value));
break;
case PROP_BUDDY:
pidgin_avatar_set_buddy(avatar, g_value_get_object(value));
break;
case PROP_CONVERSATION:
pidgin_avatar_set_conversation(avatar, g_value_get_object(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void
pidgin_avatar_dispose(GObject *obj) {
PidginAvatar *avatar = PIDGIN_AVATAR(obj);
pidgin_avatar_set_buddy(avatar, NULL);
pidgin_avatar_set_conversation(avatar, NULL);
g_clear_object(&avatar->animation);
G_OBJECT_CLASS(pidgin_avatar_parent_class)->dispose(obj);
}
static void
pidgin_avatar_init(PidginAvatar *avatar) {
GSimpleActionGroup *group = NULL;
gtk_widget_init_template(GTK_WIDGET(avatar));
/* For development/design purposes, the avatar defaults to the
* "image-missing" icon. However, we don't want to display that to users,
* so we clear it during run time.
*/
gtk_image_clear(GTK_IMAGE(avatar->icon));
/* Now setup our actions. */
group = g_simple_action_group_new();
g_action_map_add_action_entries(G_ACTION_MAP(group), actions,
G_N_ELEMENTS(actions), avatar);
gtk_widget_insert_action_group(GTK_WIDGET(avatar), "avatar",
G_ACTION_GROUP(group));
}
static void
pidgin_avatar_class_init(PidginAvatarClass *klass) {
GObjectClass *obj_class = G_OBJECT_CLASS(klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
obj_class->get_property = pidgin_avatar_get_property;
obj_class->set_property = pidgin_avatar_set_property;
obj_class->dispose = pidgin_avatar_dispose;
/**
* PidginAvatar::animate:
*
* Whether or not an animated avatar should be animated.
*/
properties[PROP_ANIMATE] = g_param_spec_boolean(
"animate", "animate",
"Whether or not to animate an animated avatar",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
/**
* PidginAvatar::buddy:
*
* The #PurpleBuddy whose avatar will be displayed.
*/
properties[PROP_BUDDY] = g_param_spec_object(
"buddy", "buddy",
"The buddy whose avatar to display",
PURPLE_TYPE_BUDDY,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
/**
* PidginAvatar::conversation:
*
* The #PurpleConversation which will be used to find the correct
* #PurpleBuddy.
*/
properties[PROP_CONVERSATION] = g_param_spec_object(
"conversation", "conversation",
"The conversation used to find the correct buddy.",
PURPLE_TYPE_CONVERSATION,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties(obj_class, N_PROPERTIES, properties);
gtk_widget_class_set_template_from_resource(
widget_class,
"/im/pidgin/Pidgin/Avatar/avatar.ui"
);
gtk_widget_class_bind_template_child(widget_class, PidginAvatar, icon);
gtk_widget_class_bind_template_callback(widget_class,
pidgin_avatar_button_press_handler);
gtk_widget_class_bind_template_callback(widget_class,
pidgin_avatar_enter_notify_handler);
gtk_widget_class_bind_template_callback(widget_class,
pidgin_avatar_leave_notify_handler);
}
/******************************************************************************
* API
*****************************************************************************/
GtkWidget *
pidgin_avatar_new(void) {
return GTK_WIDGET(g_object_new(PIDGIN_TYPE_AVATAR, NULL));
}
void
pidgin_avatar_set_animate(PidginAvatar *avatar, gboolean animate) {
g_return_if_fail(PIDGIN_IS_AVATAR(avatar));
avatar->animate = animate;
if(GDK_IS_PIXBUF_ANIMATION(avatar->animation)) {
if(avatar->animate) {
gtk_image_set_from_animation(GTK_IMAGE(avatar->icon),
avatar->animation);
} else {
GdkPixbuf *frame = NULL;
frame = gdk_pixbuf_animation_get_static_image(avatar->animation);
gtk_image_set_from_pixbuf(GTK_IMAGE(avatar->icon), frame);
}
}
}
gboolean
pidgin_avatar_get_animate(PidginAvatar *avatar) {
g_return_val_if_fail(PIDGIN_IS_AVATAR(avatar), FALSE);
return avatar->animate;
}
void
pidgin_avatar_set_buddy(PidginAvatar *avatar, PurpleBuddy *buddy) {
g_return_if_fail(PIDGIN_IS_AVATAR(avatar));
/* Remove our old signal handler. */
if(PURPLE_IS_BUDDY(avatar->buddy)) {
g_signal_handlers_disconnect_by_func(avatar->buddy,
pidgin_avatar_buddy_icon_updated,
avatar);
}
if(g_set_object(&avatar->buddy, buddy)) {
pidgin_avatar_update(avatar);
g_object_notify_by_pspec(G_OBJECT(avatar), properties[PROP_BUDDY]);
}
/* Add the notify signal so we can update when the icon changes. */
if(PURPLE_IS_BUDDY(avatar->buddy)) {
g_signal_connect(G_OBJECT(avatar->buddy), "notify::icon",
G_CALLBACK(pidgin_avatar_buddy_icon_updated), avatar);
}
}
PurpleBuddy *
pidgin_avatar_get_buddy(PidginAvatar *avatar) {
g_return_val_if_fail(PIDGIN_IS_AVATAR(avatar), NULL);
return avatar->buddy;
}
void
pidgin_avatar_set_conversation(PidginAvatar *avatar,
PurpleConversation *conversation)
{
g_return_if_fail(PIDGIN_IS_AVATAR(avatar));
/* Remove our old signal handler. */
if(PURPLE_IS_CONVERSATION(avatar->conversation)) {
g_signal_handlers_disconnect_by_func(avatar->conversation,
pidgin_avatar_conversation_updated,
avatar);
}
if(g_set_object(&avatar->conversation, conversation)) {
g_object_notify_by_pspec(G_OBJECT(avatar),
properties[PROP_CONVERSATION]);
}
/* Add the notify signal so we can update when the icon changes. */
if(PURPLE_IS_CONVERSATION(avatar->conversation)) {
g_signal_connect(G_OBJECT(avatar->conversation), "notify",
G_CALLBACK(pidgin_avatar_conversation_updated), avatar);
}
}
PurpleConversation *
pidgin_avatar_get_conversation(PidginAvatar *avatar) {
g_return_val_if_fail(PIDGIN_IS_AVATAR(avatar), NULL);
return avatar->conversation;
}