/*
* Copyright (C) 2002-2007 Imendio AB
* Copyright (C) 2007-2010 Collabora Ltd.
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* Authors: Mikael Hallendal <micke@imendio.com>
* Richard Hult <richard@imendio.com>
* Martyn Russell <martyn@imendio.com>
* Xavier Claessens <xclaesse@gmail.com>
* Jonny Lamb <jonny.lamb@collabora.co.uk>
* Travis Reitter <travis.reitter@collabora.co.uk>
*
* Part of this file is copied from GtkSourceView (gtksourceiter.c):
* Paolo Maggi
* Jeroen Zwartepoorte
*/
#include <config.h>
#include <string.h>
#include <X11/Xatom.h>
#include <gdk/gdkx.h>
#include <glib/gi18n-lib.h>
#include <gtk/gtk.h>
#include <gio/gio.h>
#include <gio/gdesktopappinfo.h>
#include <telepathy-glib/telepathy-glib.h>
#include <folks/folks.h>
#include "empathy-ui-utils.h"
#include "empathy-images.h"
#include "empathy-live-search.h"
#include "empathy-smiley-manager.h"
#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
#include <libempathy/empathy-debug.h>
#include <libempathy/empathy-utils.h>
#include <libempathy/empathy-ft-factory.h>
void
empathy_gtk_init (void)
{
static gboolean initialized = FALSE;
if (initialized)
return;
empathy_init ();
gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (),
PKGDATADIR G_DIR_SEPARATOR_S "icons");
/* Add icons from source dir if available */
if (g_getenv ("EMPATHY_SRCDIR") != NULL)
{
gchar *path;
path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), "data",
"icons", "local-copy", NULL);
if (g_file_test (path, G_FILE_TEST_EXISTS))
gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (), path);
g_free (path);
}
initialized = TRUE;
}
static GtkBuilder *
builder_get_file_valist (const gchar *filename,
const gchar *first_object,
va_list args)
{
GtkBuilder *gui;
const gchar *name;
GObject **object_ptr;
GError *error = NULL;
DEBUG ("Loading file %s", filename);
gui = gtk_builder_new ();
gtk_builder_set_translation_domain (gui, GETTEXT_PACKAGE);
if (!gtk_builder_add_from_file (gui, filename, &error))
{
g_critical ("GtkBuilder Error (%s): %s",
filename, error->message);
g_clear_error (&error);
g_object_unref (gui);
/* we need to iterate and set all of the pointers to NULL */
for (name = first_object; name; name = va_arg (args, const gchar *))
{
object_ptr = va_arg (args, GObject**);
*object_ptr = NULL;
}
return NULL;
}
for (name = first_object; name; name = va_arg (args, const gchar *))
{
object_ptr = va_arg (args, GObject**);
*object_ptr = gtk_builder_get_object (gui, name);
if (!*object_ptr)
{
g_warning ("File is missing object '%s'.", name);
continue;
}
}
return gui;
}
GtkBuilder *
empathy_builder_get_file (const gchar *filename,
const gchar *first_object,
...)
{
GtkBuilder *gui;
va_list args;
va_start (args, first_object);
gui = builder_get_file_valist (filename, first_object, args);
va_end (args);
return gui;
}
void
empathy_builder_connect (GtkBuilder *gui,
gpointer user_data,
const gchar *first_object,
...)
{
va_list args;
const gchar *name;
const gchar *sig;
GObject *object;
GCallback callback;
va_start (args, first_object);
for (name = first_object; name; name = va_arg (args, const gchar *))
{
sig = va_arg (args, const gchar *);
callback = va_arg (args, GCallback);
object = gtk_builder_get_object (gui, name);
if (!object)
{
g_warning ("File is missing object '%s'.", name);
continue;
}
g_signal_connect (object, sig, callback, user_data);
}
va_end (args);
}
GtkWidget *
empathy_builder_unref_and_keep_widget (GtkBuilder *gui,
GtkWidget *widget)
{
/* On construction gui sinks the initial reference to widget. When gui
* is finalized it will drop its ref to widget. We take our own ref to
* prevent widget being finalised. The widget is forced to have a
* floating reference, like when it was initially unowned so that it can
* be used like any other GtkWidget. */
g_object_ref (widget);
g_object_force_floating (G_OBJECT (widget));
g_object_unref (gui);
return widget;
}
const gchar *
empathy_icon_name_for_presence (TpConnectionPresenceType presence)
{
switch (presence)
{
case TP_CONNECTION_PRESENCE_TYPE_AVAILABLE:
return EMPATHY_IMAGE_AVAILABLE;
case TP_CONNECTION_PRESENCE_TYPE_BUSY:
return EMPATHY_IMAGE_BUSY;
case TP_CONNECTION_PRESENCE_TYPE_AWAY:
return EMPATHY_IMAGE_AWAY;
case TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY:
if (gtk_icon_theme_has_icon (gtk_icon_theme_get_default (),
EMPATHY_IMAGE_EXT_AWAY))
return EMPATHY_IMAGE_EXT_AWAY;
/* The 'extended-away' icon is not an official one so we fallback to
* idle if it's not implemented */
return EMPATHY_IMAGE_IDLE;
case TP_CONNECTION_PRESENCE_TYPE_HIDDEN:
if (gtk_icon_theme_has_icon (gtk_icon_theme_get_default (),
EMPATHY_IMAGE_HIDDEN))
return EMPATHY_IMAGE_HIDDEN;
/* The 'hidden' icon is not an official one so we fallback to offline if
* it's not implemented */
return EMPATHY_IMAGE_OFFLINE;
case TP_CONNECTION_PRESENCE_TYPE_OFFLINE:
case TP_CONNECTION_PRESENCE_TYPE_ERROR:
return EMPATHY_IMAGE_OFFLINE;
case TP_CONNECTION_PRESENCE_TYPE_UNKNOWN:
return EMPATHY_IMAGE_PENDING;
case TP_CONNECTION_PRESENCE_TYPE_UNSET:
default:
return NULL;
}
return NULL;
}
const gchar *
empathy_icon_name_for_contact (EmpathyContact *contact)
{
TpConnectionPresenceType presence;
g_return_val_if_fail (EMPATHY_IS_CONTACT (contact),
EMPATHY_IMAGE_OFFLINE);
presence = empathy_contact_get_presence (contact);
return empathy_icon_name_for_presence (presence);
}
const gchar *
empathy_icon_name_for_individual (FolksIndividual *individual)
{
FolksPresenceType folks_presence;
TpConnectionPresenceType presence;
folks_presence = folks_presence_details_get_presence_type (
FOLKS_PRESENCE_DETAILS (individual));
presence = empathy_folks_presence_type_to_tp (folks_presence);
return empathy_icon_name_for_presence (presence);
}
const gchar *
empathy_protocol_name_for_contact (EmpathyContact *contact)
{
TpAccount *account;
g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
account = empathy_contact_get_account (contact);
if (account == NULL)
return NULL;
return tp_account_get_icon_name (account);
}
GdkPixbuf *
empathy_pixbuf_from_data (gchar *data,
gsize data_size)
{
return empathy_pixbuf_from_data_and_mime (data, data_size, NULL);
}
GdkPixbuf *
empathy_pixbuf_from_data_and_mime (gchar *data,
gsize data_size,
gchar **mime_type)
{
GdkPixbufLoader *loader;
GdkPixbufFormat *format;
GdkPixbuf *pixbuf = NULL;
gchar **mime_types;
GError *error = NULL;
if (!data)
return NULL;
loader = gdk_pixbuf_loader_new ();
if (!gdk_pixbuf_loader_write (loader, (guchar *) data, data_size, &error))
{
DEBUG ("Failed to write to pixbuf loader: %s",
error ? error->message : "No error given");
goto out;
}
if (!gdk_pixbuf_loader_close (loader, &error))
{
DEBUG ("Failed to close pixbuf loader: %s",
error ? error->message : "No error given");
goto out;
}
pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
if (pixbuf)
{
g_object_ref (pixbuf);
if (mime_type != NULL)
{
format = gdk_pixbuf_loader_get_format (loader);
mime_types = gdk_pixbuf_format_get_mime_types (format);
*mime_type = g_strdup (*mime_types);
if (mime_types[1] != NULL)
DEBUG ("Loader supports more than one mime "
"type! Picking the first one, %s",
*mime_type);
g_strfreev (mime_types);
}
}
out:
g_clear_error (&error);
g_object_unref (loader);
return pixbuf;
}
struct SizeData
{
gint width;
gint height;
gboolean preserve_aspect_ratio;
};
static void
pixbuf_from_avatar_size_prepared_cb (GdkPixbufLoader *loader,
int width,
int height,
struct SizeData *data)
{
g_return_if_fail (width > 0 && height > 0);
if (data->preserve_aspect_ratio && (data->width > 0 || data->height > 0))
{
if (width < data->width && height < data->height)
{
width = width;
height = height;
}
if (data->width < 0)
{
width = width * (double) data->height / (gdouble) height;
height = data->height;
}
else if (data->height < 0)
{
height = height * (double) data->width / (double) width;
width = data->width;
}
else if ((double) height * (double) data->width >
(double) width * (double) data->height)
{
width = 0.5 + (double) width * (double) data->height / (double) height;
height = data->height;
}
else
{
height = 0.5 + (double) height * (double) data->width / (double) width;
width = data->width;
}
}
else
{
if (data->width > 0)
width = data->width;
if (data->height > 0)
height = data->height;
}
gdk_pixbuf_loader_set_size (loader, width, height);
}
static void
empathy_avatar_pixbuf_roundify (GdkPixbuf *pixbuf)
{
gint width, height, rowstride;
guchar *pixels;
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
pixels = gdk_pixbuf_get_pixels (pixbuf);
if (width < 6 || height < 6)
return;
/* Top left */
pixels[3] = 0;
pixels[7] = 0x80;
pixels[11] = 0xC0;
pixels[rowstride + 3] = 0x80;
pixels[rowstride * 2 + 3] = 0xC0;
/* Top right */
pixels[width * 4 - 1] = 0;
pixels[width * 4 - 5] = 0x80;
pixels[width * 4 - 9] = 0xC0;
pixels[rowstride + (width * 4) - 1] = 0x80;
pixels[(2 * rowstride) + (width * 4) - 1] = 0xC0;
/* Bottom left */
pixels[(height - 1) * rowstride + 3] = 0;
pixels[(height - 1) * rowstride + 7] = 0x80;
pixels[(height - 1) * rowstride + 11] = 0xC0;
pixels[(height - 2) * rowstride + 3] = 0x80;
pixels[(height - 3) * rowstride + 3] = 0xC0;
/* Bottom right */
pixels[height * rowstride - 1] = 0;
pixels[(height - 1) * rowstride - 1] = 0x80;
pixels[(height - 2) * rowstride - 1] = 0xC0;
pixels[height * rowstride - 5] = 0x80;
pixels[height * rowstride - 9] = 0xC0;
}
static gboolean
empathy_gdk_pixbuf_is_opaque (GdkPixbuf *pixbuf)
{
gint height, rowstride, i;
guchar *pixels;
guchar *row;
height = gdk_pixbuf_get_height (pixbuf);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
pixels = gdk_pixbuf_get_pixels (pixbuf);
row = pixels;
for (i = 3; i < rowstride; i+=4)
if (row[i] < 0xfe)
return FALSE;
for (i = 1; i < height - 1; i++)
{
row = pixels + (i*rowstride);
if (row[3] < 0xfe || row[rowstride-1] < 0xfe)
return FALSE;
}
row = pixels + ((height-1) * rowstride);
for (i = 3; i < rowstride; i+=4)
if (row[i] < 0xfe)
return FALSE;
return TRUE;
}
static GdkPixbuf *
pixbuf_round_corners (GdkPixbuf *pixbuf)
{
GdkPixbuf *result;
if (!gdk_pixbuf_get_has_alpha (pixbuf))
{
result = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
gdk_pixbuf_copy_area (pixbuf, 0, 0,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
result,
0, 0);
}
else
{
result = g_object_ref (pixbuf);
}
if (empathy_gdk_pixbuf_is_opaque (result))
empathy_avatar_pixbuf_roundify (result);
return result;
}
static GdkPixbuf *
avatar_pixbuf_from_loader (GdkPixbufLoader *loader)
{
GdkPixbuf *pixbuf;
pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
return pixbuf_round_corners (pixbuf);
}
static GdkPixbuf *
empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar,
gint width,
gint height)
{
GdkPixbuf *pixbuf;
GdkPixbufLoader *loader;
struct SizeData data;
GError *error = NULL;
if (!avatar)
return NULL;
data.width = width;
data.height = height;
data.preserve_aspect_ratio = TRUE;
loader = gdk_pixbuf_loader_new ();
g_signal_connect (loader, "size-prepared",
G_CALLBACK (pixbuf_from_avatar_size_prepared_cb), &data);
if (avatar->len == 0)
{
g_warning ("Avatar has 0 length");
return NULL;
}
else if (!gdk_pixbuf_loader_write (loader, avatar->data, avatar->len, &error))
{
g_warning ("Couldn't write avatar image:%p with "
"length:%" G_GSIZE_FORMAT " to pixbuf loader: %s",
avatar->data, avatar->len, error->message);
g_error_free (error);
return NULL;
}
gdk_pixbuf_loader_close (loader, NULL);
pixbuf = avatar_pixbuf_from_loader (loader);
g_object_unref (loader);
return pixbuf;
}
GdkPixbuf *
empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact *contact,
gint width,
gint height)
{
EmpathyAvatar *avatar;
g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
avatar = empathy_contact_get_avatar (contact);
return empathy_pixbuf_from_avatar_scaled (avatar, width, height);
}
typedef struct
{
GSimpleAsyncResult *result;
guint width;
guint height;
GCancellable *cancellable;
} PixbufAvatarFromIndividualClosure;
static PixbufAvatarFromIndividualClosure *
pixbuf_avatar_from_individual_closure_new (FolksIndividual *individual,
GSimpleAsyncResult *result,
gint width,
gint height,
GCancellable *cancellable)
{
PixbufAvatarFromIndividualClosure *closure;
g_return_val_if_fail (FOLKS_IS_INDIVIDUAL (individual), NULL);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), NULL);
closure = g_slice_new0 (PixbufAvatarFromIndividualClosure);
closure->result = g_object_ref (result);
closure->width = width;
closure->height = height;
if (cancellable != NULL)
closure->cancellable = g_object_ref (cancellable);
return closure;
}
static void
pixbuf_avatar_from_individual_closure_free (
PixbufAvatarFromIndividualClosure *closure)
{
g_clear_object (&closure->cancellable);
g_object_unref (closure->result);
g_slice_free (PixbufAvatarFromIndividualClosure, closure);
}
/**
* @pixbuf: (transfer all)
*
* Return: (transfer all)
*/
static GdkPixbuf *
transform_pixbuf (GdkPixbuf *pixbuf)
{
GdkPixbuf *result;
result = pixbuf_round_corners (pixbuf);
g_object_unref (pixbuf);
return result;
}
static void
avatar_icon_load_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GLoadableIcon *icon = G_LOADABLE_ICON (object);
PixbufAvatarFromIndividualClosure *closure = user_data;
GInputStream *stream;
GError *error = NULL;
GdkPixbuf *pixbuf;
GdkPixbuf *final_pixbuf;
stream = g_loadable_icon_load_finish (icon, result, NULL, &error);
if (error != NULL)
{
DEBUG ("Failed to open avatar stream: %s", error->message);
g_simple_async_result_set_from_error (closure->result, error);
goto out;
}
pixbuf = gdk_pixbuf_new_from_stream_at_scale (stream,
closure->width, closure->height, TRUE, closure->cancellable, &error);
g_object_unref (stream);
if (pixbuf == NULL)
{
DEBUG ("Failed to read avatar: %s", error->message);
g_simple_async_result_set_from_error (closure->result, error);
goto out;
}
final_pixbuf = transform_pixbuf (pixbuf);
/* Pass ownership of final_pixbuf to the result */
g_simple_async_result_set_op_res_gpointer (closure->result,
final_pixbuf, g_object_unref);
out:
g_simple_async_result_complete (closure->result);
g_clear_error (&error);
pixbuf_avatar_from_individual_closure_free (closure);
}
void
empathy_pixbuf_avatar_from_individual_scaled_async (
FolksIndividual *individual,
gint width,
gint height,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GLoadableIcon *avatar_icon;
GSimpleAsyncResult *result;
PixbufAvatarFromIndividualClosure *closure;
result = g_simple_async_result_new (G_OBJECT (individual),
callback, user_data, empathy_pixbuf_avatar_from_individual_scaled_async);
avatar_icon = folks_avatar_details_get_avatar (
FOLKS_AVATAR_DETAILS (individual));
if (avatar_icon == NULL)
{
g_simple_async_result_set_error (result, G_IO_ERROR,
G_IO_ERROR_NOT_FOUND, "no avatar found");
g_simple_async_result_complete (result);
g_object_unref (result);
return;
}
closure = pixbuf_avatar_from_individual_closure_new (individual, result,
width, height, cancellable);
g_return_if_fail (closure != NULL);
g_loadable_icon_load_async (avatar_icon, width, cancellable,
avatar_icon_load_cb, closure);
g_object_unref (result);
}
/* Return a ref on the GdkPixbuf */
GdkPixbuf *
empathy_pixbuf_avatar_from_individual_scaled_finish (
FolksIndividual *individual,
GAsyncResult *result,
GError **error)
{
GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
gboolean result_valid;
GdkPixbuf *pixbuf;
g_return_val_if_fail (FOLKS_IS_INDIVIDUAL (individual), NULL);
g_return_val_if_fail (G_IS_SIMPLE_ASYNC_RESULT (simple), NULL);
if (g_simple_async_result_propagate_error (simple, error))
return NULL;
result_valid = g_simple_async_result_is_valid (result,
G_OBJECT (individual),
empathy_pixbuf_avatar_from_individual_scaled_async);
g_return_val_if_fail (result_valid, NULL);
pixbuf = g_simple_async_result_get_op_res_gpointer (simple);
return pixbuf != NULL ? g_object_ref (pixbuf) : NULL;
}
GdkPixbuf *
empathy_pixbuf_contact_status_icon (EmpathyContact *contact,
gboolean show_protocol)
{
const gchar *icon_name;
g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
icon_name = empathy_icon_name_for_contact (contact);
if (icon_name == NULL)
return NULL;
return empathy_pixbuf_contact_status_icon_with_icon_name (contact,
icon_name, show_protocol);
}
static GdkPixbuf * empathy_pixbuf_protocol_from_contact_scaled (
EmpathyContact *contact,
gint width,
gint height);
GdkPixbuf *
empathy_pixbuf_contact_status_icon_with_icon_name (EmpathyContact *contact,
const gchar *icon_name,
gboolean show_protocol)
{
GdkPixbuf *pix_status;
GdkPixbuf *pix_protocol;
gchar *icon_filename;
gint height, width;
gint numerator, denominator;
g_return_val_if_fail (EMPATHY_IS_CONTACT (contact) ||
(show_protocol == FALSE), NULL);
g_return_val_if_fail (icon_name != NULL, NULL);
numerator = 3;
denominator = 4;
icon_filename = empathy_filename_from_icon_name (icon_name,
GTK_ICON_SIZE_MENU);
if (icon_filename == NULL)
{
DEBUG ("icon name: %s could not be found\n", icon_name);
return NULL;
}
pix_status = gdk_pixbuf_new_from_file (icon_filename, NULL);
if (pix_status == NULL)
{
DEBUG ("Could not open icon %s\n", icon_filename);
g_free (icon_filename);
return NULL;
}
g_free (icon_filename);
if (!show_protocol)
return pix_status;
height = gdk_pixbuf_get_height (pix_status);
width = gdk_pixbuf_get_width (pix_status);
pix_protocol = empathy_pixbuf_protocol_from_contact_scaled (contact,
width * numerator / denominator,
height * numerator / denominator);
if (pix_protocol == NULL)
return pix_status;
gdk_pixbuf_composite (pix_protocol, pix_status,
0, height - height * numerator / denominator,
width * numerator / denominator, height * numerator / denominator,
0, height - height * numerator / denominator,
1, 1,
GDK_INTERP_BILINEAR, 255);
g_object_unref (pix_protocol);
return pix_status;
}
static GdkPixbuf *
empathy_pixbuf_protocol_from_contact_scaled (EmpathyContact *contact,
gint width,
gint height)
{
TpAccount *account;
gchar *filename;
GdkPixbuf *pixbuf = NULL;
g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
account = empathy_contact_get_account (contact);
filename = empathy_filename_from_icon_name (
tp_account_get_icon_name (account), GTK_ICON_SIZE_MENU);
if (filename != NULL)
{
pixbuf = gdk_pixbuf_new_from_file_at_size (filename, width, height, NULL);
g_free (filename);
}
return pixbuf;
}
GdkPixbuf *
empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf,
gint max_size)
{
gint width, height;
gdouble factor;
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
if (width > 0 && (width > max_size || height > max_size))
{
factor = (gdouble) max_size / MAX (width, height);
width = width * factor;
height = height * factor;
return gdk_pixbuf_scale_simple (pixbuf, width, height, GDK_INTERP_HYPER);
}
return g_object_ref (pixbuf);
}
GdkPixbuf *
empathy_pixbuf_from_icon_name_sized (const gchar *icon_name,
gint size)
{
GtkIconTheme *theme;
GdkPixbuf *pixbuf;
GError *error = NULL;
if (!icon_name)
return NULL;
theme = gtk_icon_theme_get_default ();
pixbuf = gtk_icon_theme_load_icon (theme, icon_name, size, 0, &error);
if (error)
{
DEBUG ("Error loading icon: %s", error->message);
g_clear_error (&error);
}
return pixbuf;
}
GdkPixbuf *
empathy_pixbuf_from_icon_name (const gchar *icon_name,
GtkIconSize icon_size)
{
gint w, h;
gint size = 48;
if (!icon_name)
return NULL;
if (gtk_icon_size_lookup (icon_size, &w, &h))
size = (w + h) / 2;
return empathy_pixbuf_from_icon_name_sized (icon_name, size);
}
gchar *
empathy_filename_from_icon_name (const gchar *icon_name,
GtkIconSize icon_size)
{
GtkIconTheme *icon_theme;
GtkIconInfo *icon_info;
gint w, h;
gint size = 48;
gchar *ret;
icon_theme = gtk_icon_theme_get_default ();
if (gtk_icon_size_lookup (icon_size, &w, &h))
size = (w + h) / 2;
icon_info = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size, 0);
if (icon_info == NULL)
return NULL;
ret = g_strdup (gtk_icon_info_get_filename (icon_info));
gtk_icon_info_free (icon_info);
return ret;
}
/* Takes care of moving the window to the current workspace. */
void
empathy_window_present_with_time (GtkWindow *window,
guint32 timestamp)
{
GdkWindow *gdk_window;
g_return_if_fail (GTK_IS_WINDOW (window));
/* Move the window to the current workspace before trying to show it.
* This is the behaviour people expect when clicking on the statusbar icon. */
gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
if (gdk_window)
{
gint x, y;
gint w, h;
/* Has no effect if the WM has viewports, like compiz */
gdk_x11_window_move_to_current_desktop (gdk_window);
/* If window is still off-screen, hide it to force it to
* reposition on the current workspace. */
gtk_window_get_position (window, &x, &y);
gtk_window_get_size (window, &w, &h);
if (!EMPATHY_RECT_IS_ON_SCREEN (x, y, w, h))
gtk_widget_hide (GTK_WIDGET (window));
}
if (timestamp == GDK_CURRENT_TIME)
gtk_window_present (window);
else
gtk_window_present_with_time (window, timestamp);
}
void
empathy_window_present (GtkWindow *window)
{
empathy_window_present_with_time (window, gtk_get_current_event_time ());
}
GtkWindow *
empathy_get_toplevel_window (GtkWidget *widget)
{
GtkWidget *toplevel;
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
toplevel = gtk_widget_get_toplevel (widget);
if (GTK_IS_WINDOW (toplevel) &&
gtk_widget_is_toplevel (toplevel))
return GTK_WINDOW (toplevel);
return NULL;
}
/** empathy_make_absolute_url_len:
* @url: an url
* @len: a length
*
* Same as #empathy_make_absolute_url but for a limited string length
*/
gchar *
empathy_make_absolute_url_len (const gchar *url,
guint len)
{
g_return_val_if_fail (url != NULL, NULL);
if (g_str_has_prefix (url, "help:") ||
g_str_has_prefix (url, "mailto:") ||
strstr (url, ":/"))
return g_strndup (url, len);
if (strstr (url, "@"))
return g_strdup_printf ("mailto:%.*s", len, url);
return g_strdup_printf ("http://%.*s", len, url);
}
/** empathy_make_absolute_url:
* @url: an url
*
* The URL opening code can't handle schemeless strings, so we try to be
* smart and add http if there is no scheme or doesn't look like a mail
* address. This should work in most cases, and let us click on strings
* like "www.gnome.org".
*
* Returns: a newly allocated url with proper mailto: or http:// prefix, use
* g_free when your are done with it
*/
gchar *
empathy_make_absolute_url (const gchar *url)
{
return empathy_make_absolute_url_len (url, strlen (url));
}
void
empathy_url_show (GtkWidget *parent,
const char *url)
{
gchar *real_url;
GError *error = NULL;
g_return_if_fail (parent == NULL || GTK_IS_WIDGET (parent));
g_return_if_fail (url != NULL);
real_url = empathy_make_absolute_url (url);
gtk_show_uri (parent ? gtk_widget_get_screen (parent) : NULL, real_url,
gtk_get_current_event_time (), &error);
if (error)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (NULL, 0,
GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
_("Unable to open URI"));
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
"%s", error->message);
g_signal_connect (dialog, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
gtk_window_present (GTK_WINDOW (dialog));
g_clear_error (&error);
}
g_free (real_url);
}
void
empathy_send_file (EmpathyContact *contact,
GFile *file)
{
EmpathyFTFactory *factory;
GtkRecentManager *manager;
gchar *uri;
g_return_if_fail (EMPATHY_IS_CONTACT (contact));
g_return_if_fail (G_IS_FILE (file));
factory = empathy_ft_factory_dup_singleton ();
empathy_ft_factory_new_transfer_outgoing (factory, contact, file,
empathy_get_current_action_time ());
uri = g_file_get_uri (file);
manager = gtk_recent_manager_get_default ();
gtk_recent_manager_add_item (manager, uri);
g_free (uri);
g_object_unref (factory);
}
void
empathy_send_file_from_uri_list (EmpathyContact *contact,
const gchar *uri_list)
{
const gchar *nl;
GFile *file;
/* Only handle a single file for now. It would be wicked cool to be
able to do multiple files, offering to zip them or whatever like
nautilus-sendto does. Note that text/uri-list is defined to have
each line terminated by \r\n, but we can be tolerant of applications
that only use \n or don't terminate single-line entries.
*/
nl = strstr (uri_list, "\r\n");
if (!nl)
nl = strchr (uri_list, '\n');
if (nl)
{
gchar *uri = g_strndup (uri_list, nl - uri_list);
file = g_file_new_for_uri (uri);
g_free (uri);
}
else
{
file = g_file_new_for_uri (uri_list);
}
empathy_send_file (contact, file);
g_object_unref (file);
}
static void
file_manager_send_file_response_cb (GtkDialog *widget,
gint response_id,
EmpathyContact *contact)
{
GFile *file;
if (response_id == GTK_RESPONSE_OK)
{
file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (widget));
empathy_send_file (contact, file);
g_object_unref (file);
}
g_object_unref (contact);
gtk_widget_destroy (GTK_WIDGET (widget));
}
static gboolean
filter_cb (const GtkFileFilterInfo *filter_info,
gpointer data)
{
/* filter out socket files */
return tp_strdiff (filter_info->mime_type, "inode/socket");
}
static GtkFileFilter *
create_file_filter (void)
{
GtkFileFilter *filter;
filter = gtk_file_filter_new ();
gtk_file_filter_add_custom (filter, GTK_FILE_FILTER_MIME_TYPE, filter_cb,
NULL, NULL);
return filter;
}
void
empathy_send_file_with_file_chooser (EmpathyContact *contact)
{
GtkWidget *widget;
GtkWidget *button;
g_return_if_fail (EMPATHY_IS_CONTACT (contact));
DEBUG ("Creating selection file chooser");
widget = gtk_file_chooser_dialog_new (_("Select a file"), NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
NULL);
/* send button */
button = gtk_button_new_with_mnemonic (_("_Send"));
gtk_button_set_image (GTK_BUTTON (button),
gtk_image_new_from_icon_name (EMPATHY_IMAGE_DOCUMENT_SEND,
GTK_ICON_SIZE_BUTTON));
gtk_widget_show (button);
gtk_dialog_add_action_widget (GTK_DIALOG (widget), button,
GTK_RESPONSE_OK);
gtk_widget_set_can_default (button, TRUE);
gtk_dialog_set_default_response (GTK_DIALOG (widget),
GTK_RESPONSE_OK);
gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (widget), FALSE);
gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (widget),
g_get_home_dir ());
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (widget),
create_file_filter ());
g_signal_connect (widget, "response",
G_CALLBACK (file_manager_send_file_response_cb), g_object_ref (contact));
gtk_widget_show (widget);
}
static void
file_manager_receive_file_response_cb (GtkDialog *dialog,
GtkResponseType response,
EmpathyFTHandler *handler)
{
EmpathyFTFactory *factory;
GFile *file;
if (response == GTK_RESPONSE_OK)
{
GFile *parent;
GFileInfo *info;
guint64 free_space, file_size;
GError *error = NULL;
file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
parent = g_file_get_parent (file);
info = g_file_query_filesystem_info (parent,
G_FILE_ATTRIBUTE_FILESYSTEM_FREE, NULL, &error);
g_object_unref (parent);
if (error != NULL)
{
g_warning ("Error: %s", error->message);
g_object_unref (file);
return;
}
free_space = g_file_info_get_attribute_uint64 (info,
G_FILE_ATTRIBUTE_FILESYSTEM_FREE);
file_size = empathy_ft_handler_get_total_bytes (handler);
g_object_unref (info);
if (file_size > free_space)
{
GtkWidget *message = gtk_message_dialog_new (GTK_WINDOW (dialog),
GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
_("Insufficient free space to save file"));
char *file_size_str, *free_space_str;
file_size_str = g_format_size (file_size);
free_space_str = g_format_size (free_space);
gtk_message_dialog_format_secondary_text (
GTK_MESSAGE_DIALOG (message),
_("%s of free space are required to save this "
"file, but only %s is available. Please "
"choose another location."),
file_size_str, free_space_str);
gtk_dialog_run (GTK_DIALOG (message));
g_free (file_size_str);
g_free (free_space_str);
gtk_widget_destroy (message);
g_object_unref (file);
return;
}
factory = empathy_ft_factory_dup_singleton ();
empathy_ft_factory_set_destination_for_incoming_handler (
factory, handler, file);
g_object_unref (factory);
g_object_unref (file);
}
else
{
/* unref the handler, as we dismissed the file chooser,
* and refused the transfer.
*/
g_object_unref (handler);
}
gtk_widget_destroy (GTK_WIDGET (dialog));
}
void
empathy_receive_file_with_file_chooser (EmpathyFTHandler *handler)
{
GtkWidget *widget;
const gchar *dir;
EmpathyContact *contact;
gchar *title;
contact = empathy_ft_handler_get_contact (handler);
g_assert (contact != NULL);
title = g_strdup_printf (_("Incoming file from %s"),
empathy_contact_get_alias (contact));
widget = gtk_file_chooser_dialog_new (title,
NULL, GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_OK,
NULL);
gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (widget),
empathy_ft_handler_get_filename (handler));
gtk_file_chooser_set_do_overwrite_confirmation
(GTK_FILE_CHOOSER (widget), TRUE);
dir = g_get_user_special_dir (G_USER_DIRECTORY_DOWNLOAD);
if (dir == NULL)
/* Fallback to $HOME if $XDG_DOWNLOAD_DIR is not set */
dir = g_get_home_dir ();
gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (widget), dir);
g_signal_connect (widget, "response",
G_CALLBACK (file_manager_receive_file_response_cb), handler);
gtk_widget_show (widget);
g_free (title);
}
void
empathy_make_color_whiter (GdkRGBA *color)
{
const GdkRGBA white = { 1.0, 1.0, 1.0, 1.0 };
color->red = (color->red + white.red) / 2;
color->green = (color->green + white.green) / 2;
color->blue = (color->blue + white.blue) / 2;
}
static void
menu_deactivate_cb (GtkMenu *menu,
gpointer user_data)
{
/* FIXME: we shouldn't have to disconnect the signal (bgo #641327) */
g_signal_handlers_disconnect_by_func (menu,
menu_deactivate_cb, user_data);
gtk_menu_detach (menu);
}
/* Convenient function to create a GtkMenu attached to @attach_to and detach
* it when the menu is not displayed any more. This is useful when creating a
* context menu that we want to get rid as soon as it as been displayed. */
GtkWidget *
empathy_context_menu_new (GtkWidget *attach_to)
{
GtkWidget *menu;
menu = gtk_menu_new ();
gtk_menu_attach_to_widget (GTK_MENU (menu), attach_to, NULL);
/* menu is initially unowned but gtk_menu_attach_to_widget () taked its
* floating ref. We can either wait that @attach_to releases its ref when
* it will be destroyed (when leaving Empathy most of the time) or explicitely
* detach the menu when it's not displayed any more.
* We go for the latter as we don't want to keep useless menus in memory
* during the whole lifetime of Empathy. */
g_signal_connect (menu, "deactivate", G_CALLBACK (menu_deactivate_cb), NULL);
return menu;
}
gint64
empathy_get_current_action_time (void)
{
return (tp_user_action_time_from_x11 (gtk_get_current_event_time ()));
}
/* @words = empathy_live_search_strip_utf8_string (@text);
*
* User has to pass both so we don't have to compute @words ourself each time
* this function is called. */
gboolean
empathy_individual_match_string (FolksIndividual *individual,
const char *text,
GPtrArray *words)
{
const gchar *str;
GeeSet *personas;
GeeIterator *iter;
gboolean retval = FALSE;
/* check alias name */
str = folks_alias_details_get_alias (FOLKS_ALIAS_DETAILS (individual));
if (empathy_live_search_match_words (str, words))
return TRUE;
personas = folks_individual_get_personas (individual);
/* check contact id, remove the @server.com part */
iter = gee_iterable_iterator (GEE_ITERABLE (personas));
while (retval == FALSE && gee_iterator_next (iter))
{
FolksPersona *persona = gee_iterator_get (iter);
const gchar *p;
if (empathy_folks_persona_is_interesting (persona))
{
str = folks_persona_get_display_id (persona);
/* Accept the persona if @text is a full prefix of his ID; that allows
* user to find, say, a jabber contact by typing his JID. */
if (g_str_has_prefix (str, text))
{
retval = TRUE;
}
else
{
gchar *dup_str = NULL;
gboolean visible;
p = strstr (str, "@");
if (p != NULL)
str = dup_str = g_strndup (str, p - str);
visible = empathy_live_search_match_words (str, words);
g_free (dup_str);
if (visible)
retval = TRUE;
}
}
g_clear_object (&persona);
}
g_clear_object (&iter);
/* FIXME: Add more rules here, we could check phone numbers in
* contact's vCard for example. */
return retval;
}
void
empathy_launch_program (const gchar *dir,
const gchar *name,
const gchar *args)
{
GdkDisplay *display;
GError *error = NULL;
gchar *path, *cmd;
GAppInfo *app_info;
GdkAppLaunchContext *context = NULL;
/* Try to run from source directory if possible */
path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), "src",
name, NULL);
if (!g_file_test (path, G_FILE_TEST_EXISTS))
{
g_free (path);
path = g_build_filename (dir, name, NULL);
}
if (args != NULL)
cmd = g_strconcat (path, " ", args, NULL);
else
cmd = g_strdup (path);
app_info = g_app_info_create_from_commandline (cmd, NULL, 0, &error);
if (app_info == NULL)
{
DEBUG ("Failed to create app info: %s", error->message);
g_error_free (error);
goto out;
}
display = gdk_display_get_default ();
context = gdk_display_get_app_launch_context (display);
if (!g_app_info_launch (app_info, NULL, (GAppLaunchContext *) context,
&error))
{
g_warning ("Failed to launch %s: %s", name, error->message);
g_error_free (error);
goto out;
}
out:
tp_clear_object (&app_info);
tp_clear_object (&context);
g_free (path);
g_free (cmd);
}
/* Most of the workspace manipulation code has been copied from libwnck
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2005-2007 Vincent Untz
*/
static void
_wnck_activate_workspace (Screen *screen,
int new_active_space,
Time timestamp)
{
Display *display;
Window root;
XEvent xev;
display = DisplayOfScreen (screen);
root = RootWindowOfScreen (screen);
xev.xclient.type = ClientMessage;
xev.xclient.serial = 0;
xev.xclient.send_event = True;
xev.xclient.display = display;
xev.xclient.window = root;
xev.xclient.message_type = gdk_x11_get_xatom_by_name ("_NET_CURRENT_DESKTOP");
xev.xclient.format = 32;
xev.xclient.data.l[0] = new_active_space;
xev.xclient.data.l[1] = timestamp;
xev.xclient.data.l[2] = 0;
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = 0;
gdk_error_trap_push ();
XSendEvent (display, root, False,
SubstructureRedirectMask | SubstructureNotifyMask,
&xev);
XSync (display, False);
gdk_error_trap_pop_ignored ();
}
static gboolean
_wnck_get_cardinal (Screen *screen,
Window xwindow,
Atom atom,
int *val)
{
Display *display;
Atom type;
int format;
gulong nitems;
gulong bytes_after;
gulong *num;
int err, result;
display = DisplayOfScreen (screen);
*val = 0;
gdk_error_trap_push ();
type = None;
result = XGetWindowProperty (display, xwindow, atom,
0, G_MAXLONG, False, XA_CARDINAL, &type, &format, &nitems,
&bytes_after, (void *) &num);
err = gdk_error_trap_pop ();
if (err != Success ||
result != Success)
return FALSE;
if (type != XA_CARDINAL)
{
XFree (num);
return FALSE;
}
*val = *num;
XFree (num);
return TRUE;
}
static int
window_get_workspace (Screen *xscreen,
Window win)
{
int number;
if (!_wnck_get_cardinal (xscreen, win,
gdk_x11_get_xatom_by_name ("_NET_WM_DESKTOP"), &number))
return -1;
return number;
}
/* Ask X to move to the desktop on which @window currently is
* and the present @window. */
void
empathy_move_to_window_desktop (GtkWindow *window,
guint32 timestamp)
{
GdkScreen *screen;
Screen *xscreen;
GdkWindow *gdk_window;
int workspace;
screen = gtk_window_get_screen (window);
xscreen = gdk_x11_screen_get_xscreen (screen);
gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
workspace = window_get_workspace (xscreen,
gdk_x11_window_get_xid (gdk_window));
if (workspace == -1)
goto out;
_wnck_activate_workspace (xscreen, workspace, timestamp);
out:
gtk_window_present_with_time (window, timestamp);
}
void
empathy_set_css_provider (GtkWidget *widget)
{
GtkCssProvider *provider;
gchar *filename;
GError *error = NULL;
GdkScreen *screen;
filename = empathy_file_lookup ("empathy.css", "data");
provider = gtk_css_provider_new ();
if (!gtk_css_provider_load_from_path (provider, filename, &error))
{
g_warning ("Failed to load css file '%s': %s", filename, error->message);
g_error_free (error);
goto out;
}
if (widget != NULL)
screen = gtk_widget_get_screen (widget);
else
screen = gdk_screen_get_default ();
gtk_style_context_add_provider_for_screen (screen,
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
out:
g_free (filename);
g_object_unref (provider);
}
static gboolean
launch_app_info (GAppInfo *app_info,
GError **error)
{
GdkAppLaunchContext *context = NULL;
GdkDisplay *display;
GError *err = NULL;
display = gdk_display_get_default ();
context = gdk_display_get_app_launch_context (display);
if (!g_app_info_launch (app_info, NULL, (GAppLaunchContext *) context,
&err))
{
DEBUG ("Failed to launch %s: %s",
g_app_info_get_display_name (app_info), err->message);
g_propagate_error (error, err);
return FALSE;
}
tp_clear_object (&context);
return TRUE;
}
gboolean
empathy_launch_external_app (const gchar *desktop_file,
const gchar *args,
GError **error)
{
GDesktopAppInfo *desktop_info;
gboolean result;
GError *err = NULL;
desktop_info = g_desktop_app_info_new (desktop_file);
if (desktop_info == NULL)
{
DEBUG ("%s not found", desktop_file);
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
"%s not found", desktop_file);
return FALSE;
}
if (args == NULL)
{
result = launch_app_info (G_APP_INFO (desktop_info), error);
}
else
{
gchar *cmd;
GAppInfo *app_info;
/* glib doesn't have API to start a desktop file with args... (#637875) */
cmd = g_strdup_printf ("%s %s", g_app_info_get_commandline (
(GAppInfo *) desktop_info), args);
app_info = g_app_info_create_from_commandline (cmd, NULL, 0, &err);
if (app_info == NULL)
{
DEBUG ("Failed to launch '%s': %s", cmd, err->message);
g_free (cmd);
g_object_unref (desktop_info);
g_propagate_error (error, err);
return FALSE;
}
result = launch_app_info (app_info, error);
g_object_unref (app_info);
g_free (cmd);
}
g_object_unref (desktop_info);
return result;
}