diff options
Diffstat (limited to 'gnome-2-26/libempathy-gtk/empathy-avatar-chooser.c')
| -rw-r--r-- | gnome-2-26/libempathy-gtk/empathy-avatar-chooser.c | 1092 |
1 files changed, 1092 insertions, 0 deletions
diff --git a/gnome-2-26/libempathy-gtk/empathy-avatar-chooser.c b/gnome-2-26/libempathy-gtk/empathy-avatar-chooser.c new file mode 100644 index 000000000..5d1c90fcb --- /dev/null +++ b/gnome-2-26/libempathy-gtk/empathy-avatar-chooser.c @@ -0,0 +1,1092 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Copyright (C) 2006-2007 Imendio AB. + * Copyright (C) 2007-2008 Collabora Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * 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 library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Authors: Based on Novell's e-image-chooser. + * Xavier Claessens <xclaesse@gmail.com> + */ + +#include "config.h" + +#include <string.h> + +#include <glib/gi18n-lib.h> +#include <gtk/gtk.h> +#include <gio/gio.h> + +#include <libempathy/empathy-utils.h> +#include <libempathy/empathy-contact-factory.h> + +#include "empathy-avatar-chooser.h" +#include "empathy-conf.h" +#include "empathy-ui-utils.h" + +#define DEBUG_FLAG EMPATHY_DEBUG_OTHER +#include <libempathy/empathy-debug.h> + +#define AVATAR_SIZE_SAVE 96 +#define AVATAR_SIZE_VIEW 64 +#define DEFAULT_DIR DATADIR"/pixmaps/faces" + +#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyAvatarChooser) +typedef struct { + EmpathyContactFactory *contact_factory; + McAccount *account; + EmpathyTpContactFactory *tp_contact_factory; + GtkFileChooser *chooser_dialog; + + gulong ready_handler_id; + + EmpathyAvatar *avatar; +} EmpathyAvatarChooserPriv; + +static void avatar_chooser_finalize (GObject *object); +static void avatar_chooser_set_account (EmpathyAvatarChooser *self, + McAccount *account); +static void avatar_chooser_set_image (EmpathyAvatarChooser *chooser, + EmpathyAvatar *avatar, + GdkPixbuf *pixbuf, + gboolean set_locally); +static gboolean avatar_chooser_drag_motion_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EmpathyAvatarChooser *chooser); +static void avatar_chooser_drag_leave_cb (GtkWidget *widget, + GdkDragContext *context, + guint time, + EmpathyAvatarChooser *chooser); +static gboolean avatar_chooser_drag_drop_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EmpathyAvatarChooser *chooser); +static void avatar_chooser_drag_data_received_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint time, + EmpathyAvatarChooser *chooser); +static void avatar_chooser_clicked_cb (GtkWidget *button, + EmpathyAvatarChooser *chooser); + +enum { + CHANGED, + LAST_SIGNAL +}; + +enum { + PROP_0, + PROP_ACCOUNT +}; + +static guint signals [LAST_SIGNAL]; + +G_DEFINE_TYPE (EmpathyAvatarChooser, empathy_avatar_chooser, GTK_TYPE_BUTTON); + +/* + * Drag and drop stuff + */ +#define URI_LIST_TYPE "text/uri-list" + +enum DndTargetType { + DND_TARGET_TYPE_URI_LIST +}; + +static const GtkTargetEntry drop_types[] = { + { URI_LIST_TYPE, 0, DND_TARGET_TYPE_URI_LIST }, +}; + +static void +avatar_chooser_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec) +{ + EmpathyAvatarChooserPriv *priv = GET_PRIV (object); + + switch (param_id) { + case PROP_ACCOUNT: + g_value_set_object (value, priv->account); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + } +} + +static void +avatar_chooser_set_property (GObject *object, + guint param_id, + const GValue *value, + GParamSpec *pspec) +{ + EmpathyAvatarChooser *self = EMPATHY_AVATAR_CHOOSER (object); + + switch (param_id) { + case PROP_ACCOUNT: + avatar_chooser_set_account (self, g_value_get_object (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + } +} + +static void +empathy_avatar_chooser_class_init (EmpathyAvatarChooserClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GParamSpec *param_spec; + + object_class->finalize = avatar_chooser_finalize; + object_class->get_property = avatar_chooser_get_property; + object_class->set_property = avatar_chooser_set_property; + + signals[CHANGED] = + g_signal_new ("changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + param_spec = g_param_spec_object ("account", + "McAccount", + "McAccount whose avatar should be " + "shown and modified by this widget", + MC_TYPE_ACCOUNT, + G_PARAM_READWRITE | + G_PARAM_STATIC_STRINGS); + g_object_class_install_property (object_class, + PROP_ACCOUNT, + param_spec); + + g_type_class_add_private (object_class, sizeof (EmpathyAvatarChooserPriv)); +} + +static void +empathy_avatar_chooser_init (EmpathyAvatarChooser *chooser) +{ + EmpathyAvatarChooserPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser, + EMPATHY_TYPE_AVATAR_CHOOSER, EmpathyAvatarChooserPriv); + + chooser->priv = priv; + gtk_drag_dest_set (GTK_WIDGET (chooser), + GTK_DEST_DEFAULT_ALL, + drop_types, + G_N_ELEMENTS (drop_types), + GDK_ACTION_COPY); + + g_signal_connect (chooser, "drag-motion", + G_CALLBACK (avatar_chooser_drag_motion_cb), + chooser); + g_signal_connect (chooser, "drag-leave", + G_CALLBACK (avatar_chooser_drag_leave_cb), + chooser); + g_signal_connect (chooser, "drag-drop", + G_CALLBACK (avatar_chooser_drag_drop_cb), + chooser); + g_signal_connect (chooser, "drag-data-received", + G_CALLBACK (avatar_chooser_drag_data_received_cb), + chooser); + g_signal_connect (chooser, "clicked", + G_CALLBACK (avatar_chooser_clicked_cb), + chooser); + + priv->contact_factory = empathy_contact_factory_dup_singleton (); + + empathy_avatar_chooser_set (chooser, NULL); +} + +static void +avatar_chooser_finalize (GObject *object) +{ + EmpathyAvatarChooserPriv *priv; + + priv = GET_PRIV (object); + + avatar_chooser_set_account (EMPATHY_AVATAR_CHOOSER (object), NULL); + g_assert (priv->account == NULL); + g_assert (priv->tp_contact_factory == NULL); + + g_object_unref (priv->contact_factory); + + if (priv->avatar != NULL) { + empathy_avatar_unref (priv->avatar); + } + + G_OBJECT_CLASS (empathy_avatar_chooser_parent_class)->finalize (object); +} + +static void +avatar_chooser_tp_cf_ready_cb (EmpathyTpContactFactory *tp_cf, + GParamSpec *unused, + EmpathyAvatarChooser *self) +{ + EmpathyAvatarChooserPriv *priv = GET_PRIV (self); + gboolean ready; + + /* sanity check that we're listening on the right ETpCF */ + g_assert (priv->tp_contact_factory == tp_cf); + + ready = empathy_tp_contact_factory_is_ready (tp_cf); + gtk_widget_set_sensitive (GTK_WIDGET (self), ready); +} + +static void +avatar_chooser_set_account (EmpathyAvatarChooser *self, + McAccount *account) +{ + EmpathyAvatarChooserPriv *priv = GET_PRIV (self); + + if (priv->account != NULL) { + g_object_unref (priv->account); + priv->account = NULL; + + g_assert (priv->tp_contact_factory != NULL); + + g_signal_handler_disconnect (priv->tp_contact_factory, + priv->ready_handler_id); + priv->ready_handler_id = 0; + + g_object_unref (priv->tp_contact_factory); + priv->tp_contact_factory = NULL; + } + + if (account != NULL) { + priv->account = g_object_ref (account); + priv->tp_contact_factory = g_object_ref ( + empathy_contact_factory_get_tp_factory ( + priv->contact_factory, priv->account)); + + priv->ready_handler_id = g_signal_connect ( + priv->tp_contact_factory, "notify::ready", + G_CALLBACK (avatar_chooser_tp_cf_ready_cb), self); + avatar_chooser_tp_cf_ready_cb (priv->tp_contact_factory, NULL, + self); + } +} + +static void +avatar_chooser_error_show (EmpathyAvatarChooser *chooser, + const gchar *primary_text, + const gchar *secondary_text) +{ + GtkWidget *parent; + GtkWidget *dialog; + + parent = gtk_widget_get_toplevel (GTK_WIDGET (chooser)); + if (!GTK_IS_WINDOW (parent)) { + parent = NULL; + } + + dialog = gtk_message_dialog_new (parent ? GTK_WINDOW (parent) : NULL, + GTK_DIALOG_MODAL, + GTK_MESSAGE_WARNING, + GTK_BUTTONS_CLOSE, + "%s", primary_text); + + if (secondary_text != NULL) { + gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), + "%s", secondary_text); + } + + g_signal_connect (dialog, "response", + G_CALLBACK (gtk_widget_destroy), NULL); + gtk_widget_show (dialog); + +} + +static gboolean +str_in_strv (const gchar *str, + gchar **strv) +{ + if (strv == NULL) { + return FALSE; + } + + while (*strv != NULL) { + if (g_str_equal (str, *strv)) { + return TRUE; + } + strv++; + } + return FALSE; +} + +/* The caller must free the strings stored in satisfactory_format_name and + * satisfactory_mime_type. + */ +static gboolean +avatar_chooser_need_mime_type_conversion (const gchar *current_mime_type, + gchar **accepted_mime_types, + gchar **satisfactory_format_name, + gchar **satisfactory_mime_type) +{ + gchar *good_mime_types[] = {"image/jpeg", "image/png", NULL}; + guint i; + GSList *formats, *l; + gboolean found = FALSE; + + *satisfactory_format_name = NULL; + *satisfactory_mime_type = NULL; + + /* If there is no accepted format there is nothing we can do */ + if (accepted_mime_types == NULL || *accepted_mime_types == NULL) { + return TRUE; + } + + /* If the current mime type is good and accepted, don't change it! + * jpeg is compress better pictures, but png is better for logos and + * could have an alpha layer. */ + if (str_in_strv (current_mime_type, good_mime_types) && + str_in_strv (current_mime_type, accepted_mime_types)) { + *satisfactory_mime_type = g_strdup (current_mime_type); + *satisfactory_format_name = g_strdup (current_mime_type + + strlen ("image/")); + return FALSE; + } + + /* The current mime type is either not accepted or not good to use. + * Check if one of the good format is supported... */ + for (i = 0; good_mime_types[i] != NULL; i++) { + if (str_in_strv (good_mime_types[i], accepted_mime_types)) { + *satisfactory_mime_type = g_strdup (good_mime_types[i]); + *satisfactory_format_name = g_strdup (good_mime_types[i] + + strlen ("image/")); + return TRUE; + } + } + + /* Pick the first supported format we can write */ + formats = gdk_pixbuf_get_formats (); + for (l = formats; !found && l != NULL; l = l->next) { + GdkPixbufFormat *format = l->data; + gchar **format_mime_types; + gchar **iter; + + if (!gdk_pixbuf_format_is_writable (format)) { + continue; + } + + format_mime_types = gdk_pixbuf_format_get_mime_types (format); + for (iter = format_mime_types; *iter != NULL; iter++) { + if (str_in_strv (*iter, accepted_mime_types)) { + *satisfactory_format_name = gdk_pixbuf_format_get_name (format); + *satisfactory_mime_type = g_strdup (*iter); + found = TRUE; + break; + } + } + g_strfreev (format_mime_types); + } + g_slist_free (formats); + + return TRUE; +} + +static EmpathyAvatar * +avatar_chooser_maybe_convert_and_scale (EmpathyAvatarChooser *chooser, + GdkPixbuf *pixbuf, + EmpathyAvatar *avatar) +{ + EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); + EmpathyTpContactFactory *tp_cf = priv->tp_contact_factory; + guint max_width = 0, max_height = 0, max_size = 0; + gchar **mime_types = NULL; + gboolean needs_conversion = FALSE; + gint width, height; + gchar *new_format_name = NULL; + gchar *new_mime_type = NULL; + gdouble min_factor, max_factor; + gdouble factor; + gchar *converted_image_data = NULL; + gsize converted_image_size = 0; + + /* This should only be called if the user is setting a new avatar, + * which should only be allowed once the avatar requirements have been + * discovered. + */ + g_return_val_if_fail (tp_cf != NULL, NULL); + g_return_val_if_fail (empathy_tp_contact_factory_is_ready (tp_cf), + NULL); + + g_object_get (tp_cf, + "avatar-mime-types", &mime_types, /* Needs g_strfreev-ing */ + "avatar-max-width", &max_width, + "avatar-max-height", &max_height, + "avatar-max-size", &max_size, + NULL); + + /* Smaller is the factor, smaller will be the image. + * 0 is an empty image, 1 is the full size. */ + min_factor = 0; + max_factor = 1; + factor = 1; + + /* Check if we need to convert to another image format */ + if (avatar_chooser_need_mime_type_conversion (avatar->format, + mime_types, + &new_format_name, + &new_mime_type)) { + DEBUG ("Format conversion needed, we'll use mime type '%s' " + "and format name '%s'. Current mime type is '%s'", + new_mime_type, new_format_name, avatar->format); + needs_conversion = TRUE; + } + g_strfreev (mime_types); + + /* If there is no format we can use, report error to the user. */ + if (new_mime_type == NULL || new_format_name == NULL) { + avatar_chooser_error_show (chooser, _("Couldn't convert image"), + _("None of the accepted image formats is " + "supported on your system")); + return NULL; + } + + /* If width or height are too big, it needs converting. */ + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + if ((max_width > 0 && width > max_width) || + (max_height > 0 && height > max_height)) { + gdouble h_factor, v_factor; + + h_factor = (gdouble) max_width / width; + v_factor = (gdouble) max_height / height; + factor = max_factor = MIN (h_factor, v_factor); + + DEBUG ("Image dimensions (%dx%d) are too big. Max is %dx%d.", + width, height, max_width, max_height); + + needs_conversion = TRUE; + } + + /* If the data len is too big and no other conversion is needed, + * try with a lower factor. */ + if (max_size > 0 && avatar->len > max_size && !needs_conversion) { + DEBUG ("Image data (%"G_GSIZE_FORMAT" bytes) is too big " + "(max is %u bytes), conversion needed.", + avatar->len, max_size); + + factor = 0.5; + needs_conversion = TRUE; + } + + /* If no conversion is needed, return the avatar */ + if (!needs_conversion) { + g_free (new_format_name); + g_free (new_mime_type); + return empathy_avatar_ref (avatar); + } + + do { + GdkPixbuf *pixbuf_scaled = NULL; + gboolean saved; + gint new_width, new_height; + GError *error = NULL; + + g_free (converted_image_data); + + if (factor != 1) { + new_width = width * factor; + new_height = height * factor; + pixbuf_scaled = gdk_pixbuf_scale_simple (pixbuf, + new_width, + new_height, + GDK_INTERP_HYPER); + } else { + new_width = width; + new_height = height; + pixbuf_scaled = g_object_ref (pixbuf); + } + + DEBUG ("Trying with factor %f (%dx%d) and format %s...", factor, + new_width, new_height, new_format_name); + + saved = gdk_pixbuf_save_to_buffer (pixbuf_scaled, + &converted_image_data, + &converted_image_size, + new_format_name, + &error, NULL); + + if (!saved) { + g_free (new_format_name); + g_free (new_mime_type); + avatar_chooser_error_show (chooser, + _("Couldn't convert image"), + error ? error->message : NULL); + g_clear_error (&error); + return NULL; + } + + DEBUG ("Produced an image data of %"G_GSIZE_FORMAT" bytes.", + converted_image_size); + + if (max_size == 0) + break; + + /* Make a binary search for the bigest factor that produce + * an image data size less than max_size */ + if (converted_image_size > max_size) + max_factor = factor; + if (converted_image_size < max_size) + min_factor = factor; + factor = (min_factor + max_factor)/2; + + /* We are done if either: + * - min_factor == max_factor. That happens if we resized to + * the max required dimension and the produced data size is + * less than max_size. + * - The data size is close enough to max_size. Here we accept + * a difference of 1k. + */ + } while (min_factor != max_factor && + ABS (max_size - converted_image_size) > 1024); + g_free (new_format_name); + + /* Takes ownership of new_mime_type and converted_image_data */ + avatar = empathy_avatar_new (converted_image_data, + converted_image_size, new_mime_type, NULL); + + return avatar; +} + +static void +avatar_chooser_clear_image (EmpathyAvatarChooser *chooser) +{ + EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); + GtkWidget *image; + + if (priv->avatar == NULL) { + return; + } + + empathy_avatar_unref (priv->avatar); + priv->avatar = NULL; + + image = gtk_image_new_from_icon_name ("stock_person", GTK_ICON_SIZE_DIALOG); + gtk_button_set_image (GTK_BUTTON (chooser), image); + g_signal_emit (chooser, signals[CHANGED], 0); +} + +static void +avatar_chooser_set_image_from_data (EmpathyAvatarChooser *chooser, + gchar *data, + gsize size, + gboolean set_locally) +{ + GdkPixbuf *pixbuf; + EmpathyAvatar *avatar = NULL; + gchar *mime_type = NULL; + + if (data == NULL) { + avatar_chooser_clear_image (chooser); + return; + } + + pixbuf = empathy_pixbuf_from_data_and_mime (data, size, &mime_type); + if (pixbuf == NULL) { + g_free (data); + return; + } + + /* avatar takes ownership of data and mime_type */ + avatar = empathy_avatar_new (data, size, mime_type, NULL); + + avatar_chooser_set_image (chooser, avatar, pixbuf, set_locally); +} + +static void +avatar_chooser_set_image_from_avatar (EmpathyAvatarChooser *chooser, + EmpathyAvatar *avatar, + gboolean set_locally) +{ + GdkPixbuf *pixbuf; + gchar *mime_type = NULL; + + g_assert (avatar != NULL); + + pixbuf = empathy_pixbuf_from_data_and_mime (avatar->data, + avatar->len, + &mime_type); + if (pixbuf == NULL) { + DEBUG ("couldn't make a pixbuf from avatar; giving up"); + return; + } + + if (avatar->format == NULL) { + avatar->format = mime_type; + } else { + if (strcmp (mime_type, avatar->format)) { + DEBUG ("avatar->format is %s; gdkpixbuf yields %s!", + avatar->format, mime_type); + } + g_free (mime_type); + } + + empathy_avatar_ref (avatar); + + avatar_chooser_set_image (chooser, avatar, pixbuf, set_locally); +} + +static void +avatar_chooser_set_image (EmpathyAvatarChooser *chooser, + EmpathyAvatar *avatar, + GdkPixbuf *pixbuf, + gboolean set_locally) +{ + EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); + GdkPixbuf *pixbuf_view; + GtkWidget *image; + + g_assert (avatar != NULL); + g_assert (pixbuf != NULL); + + if (set_locally) { + EmpathyAvatar *conv; + + conv = avatar_chooser_maybe_convert_and_scale (chooser, + pixbuf, avatar); + empathy_avatar_unref (avatar); + + if (conv == NULL) { + /* An error occured; don't change the avatar. */ + return; + } + + avatar = conv; + } + + if (priv->avatar != NULL) { + empathy_avatar_unref (priv->avatar); + } + priv->avatar = avatar; + + pixbuf_view = empathy_pixbuf_scale_down_if_necessary (pixbuf, AVATAR_SIZE_VIEW); + image = gtk_image_new_from_pixbuf (pixbuf_view); + + gtk_button_set_image (GTK_BUTTON (chooser), image); + g_signal_emit (chooser, signals[CHANGED], 0); + + g_object_unref (pixbuf_view); + g_object_unref (pixbuf); +} + +static void +avatar_chooser_set_image_from_file (EmpathyAvatarChooser *chooser, + const gchar *filename) +{ + gchar *image_data = NULL; + gsize image_size = 0; + GError *error = NULL; + + if (!g_file_get_contents (filename, &image_data, &image_size, &error)) { + DEBUG ("Failed to load image from '%s': %s", filename, + error ? error->message : "No error given"); + + g_clear_error (&error); + return; + } + + avatar_chooser_set_image_from_data (chooser, image_data, image_size, TRUE); +} + +static gboolean +avatar_chooser_drag_motion_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EmpathyAvatarChooser *chooser) +{ + EmpathyAvatarChooserPriv *priv; + GList *p; + + priv = GET_PRIV (chooser); + + for (p = context->targets; p != NULL; p = p->next) { + gchar *possible_type; + + possible_type = gdk_atom_name (GDK_POINTER_TO_ATOM (p->data)); + + if (!strcmp (possible_type, URI_LIST_TYPE)) { + g_free (possible_type); + gdk_drag_status (context, GDK_ACTION_COPY, time); + + return TRUE; + } + + g_free (possible_type); + } + + return FALSE; +} + +static void +avatar_chooser_drag_leave_cb (GtkWidget *widget, + GdkDragContext *context, + guint time, + EmpathyAvatarChooser *chooser) +{ +} + +static gboolean +avatar_chooser_drag_drop_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EmpathyAvatarChooser *chooser) +{ + EmpathyAvatarChooserPriv *priv; + GList *p; + + priv = GET_PRIV (chooser); + + if (context->targets == NULL) { + return FALSE; + } + + for (p = context->targets; p != NULL; p = p->next) { + char *possible_type; + + possible_type = gdk_atom_name (GDK_POINTER_TO_ATOM (p->data)); + if (!strcmp (possible_type, URI_LIST_TYPE)) { + g_free (possible_type); + gtk_drag_get_data (widget, context, + GDK_POINTER_TO_ATOM (p->data), + time); + + return TRUE; + } + + g_free (possible_type); + } + + return FALSE; +} + +static void +avatar_chooser_drag_data_received_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint time, + EmpathyAvatarChooser *chooser) +{ + gchar *target_type; + gboolean handled = FALSE; + + target_type = gdk_atom_name (selection_data->target); + if (!strcmp (target_type, URI_LIST_TYPE)) { + GFile *file; + GFileInputStream *input_stream; + gchar *nl; + gchar *data = NULL; + + nl = strstr (selection_data->data, "\r\n"); + if (nl) { + gchar *uri; + + uri = g_strndup (selection_data->data, + nl - (gchar*) selection_data->data); + + file = g_file_new_for_uri (uri); + g_free (uri); + } else { + file = g_file_new_for_uri (selection_data->data); + } + + input_stream = g_file_read (file, NULL, NULL); + + if (input_stream != NULL) { + GFileInfo *info; + + info = g_file_query_info (file, + G_FILE_ATTRIBUTE_STANDARD_SIZE, + 0, NULL, NULL); + if (info != NULL) { + goffset size; + gssize bytes_read; + + size = g_file_info_get_size (info); + data = g_malloc (size); + + bytes_read = g_input_stream_read (G_INPUT_STREAM (input_stream), + data, size, + NULL, NULL); + if (bytes_read != -1) { + avatar_chooser_set_image_from_data ( + chooser, data, + (gsize) bytes_read, + TRUE); + handled = TRUE; + } + + g_free (data); + g_object_unref (info); + } + + g_object_unref (input_stream); + } + + g_object_unref (file); + } + + gtk_drag_finish (context, handled, FALSE, time); +} + +static void +avatar_chooser_update_preview_cb (GtkFileChooser *file_chooser, + EmpathyAvatarChooser *chooser) +{ + gchar *filename; + + filename = gtk_file_chooser_get_preview_filename (file_chooser); + + if (filename) { + GtkWidget *image; + GdkPixbuf *pixbuf = NULL; + GdkPixbuf *scaled_pixbuf; + + pixbuf = gdk_pixbuf_new_from_file (filename, NULL); + + image = gtk_file_chooser_get_preview_widget (file_chooser); + + if (pixbuf) { + scaled_pixbuf = empathy_pixbuf_scale_down_if_necessary (pixbuf, AVATAR_SIZE_SAVE); + gtk_image_set_from_pixbuf (GTK_IMAGE (image), scaled_pixbuf); + g_object_unref (scaled_pixbuf); + g_object_unref (pixbuf); + } else { + gtk_image_set_from_stock (GTK_IMAGE (image), + "gtk-dialog-question", + GTK_ICON_SIZE_DIALOG); + } + } + + gtk_file_chooser_set_preview_widget_active (file_chooser, TRUE); +} + +static void +avatar_chooser_response_cb (GtkWidget *widget, + gint response, + EmpathyAvatarChooser *chooser) +{ + EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); + + priv->chooser_dialog = NULL; + + if (response == GTK_RESPONSE_CANCEL) { + goto out; + } + + /* Check if we went non-ready since displaying the dialog. */ + if (!empathy_tp_contact_factory_is_ready (priv->tp_contact_factory)) { + DEBUG ("Can't set avatar when contact factory isn't ready."); + goto out; + } + + if (response == GTK_RESPONSE_OK) { + gchar *filename; + gchar *path; + + filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (widget)); + avatar_chooser_set_image_from_file (chooser, filename); + g_free (filename); + + path = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER (widget)); + if (path) { + empathy_conf_set_string (empathy_conf_get (), + EMPATHY_PREFS_UI_AVATAR_DIRECTORY, + path); + g_free (path); + } + } + else if (response == GTK_RESPONSE_NO) { + /* This corresponds to "No Image", not to "Cancel" */ + avatar_chooser_clear_image (chooser); + } + +out: + gtk_widget_destroy (widget); +} + +static void +avatar_chooser_clicked_cb (GtkWidget *button, + EmpathyAvatarChooser *chooser) +{ + GtkFileChooser *chooser_dialog; + GtkWidget *image; + gchar *saved_dir = NULL; + const gchar *default_dir = DEFAULT_DIR; + const gchar *pics_dir; + GtkFileFilter *filter; + EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); + + if (priv->chooser_dialog) { + gtk_window_present (GTK_WINDOW (priv->chooser_dialog)); + return; + } + + priv->chooser_dialog = GTK_FILE_CHOOSER ( + gtk_file_chooser_dialog_new (_("Select Your Avatar Image"), + empathy_get_toplevel_window (GTK_WIDGET (chooser)), + GTK_FILE_CHOOSER_ACTION_OPEN, + _("No Image"), + GTK_RESPONSE_NO, + GTK_STOCK_CANCEL, + GTK_RESPONSE_CANCEL, + GTK_STOCK_OPEN, + GTK_RESPONSE_OK, + NULL)); + chooser_dialog = priv->chooser_dialog; + gtk_window_set_destroy_with_parent (GTK_WINDOW (chooser_dialog), TRUE); + + /* Get special dirs */ + empathy_conf_get_string (empathy_conf_get (), + EMPATHY_PREFS_UI_AVATAR_DIRECTORY, + &saved_dir); + if (saved_dir && !g_file_test (saved_dir, G_FILE_TEST_IS_DIR)) { + g_free (saved_dir); + saved_dir = NULL; + } + if (!g_file_test (default_dir, G_FILE_TEST_IS_DIR)) { + default_dir = NULL; + } + pics_dir = g_get_user_special_dir (G_USER_DIRECTORY_PICTURES); + if (pics_dir && !g_file_test (pics_dir, G_FILE_TEST_IS_DIR)) { + pics_dir = NULL; + } + + /* Set current dir to the last one or to DEFAULT_DIR or to home */ + if (saved_dir) { + gtk_file_chooser_set_current_folder (chooser_dialog, saved_dir); + } + else if (pics_dir) { + gtk_file_chooser_set_current_folder (chooser_dialog, pics_dir); + } + else if (default_dir) { + gtk_file_chooser_set_current_folder (chooser_dialog, default_dir); + } else { + gtk_file_chooser_set_current_folder (chooser_dialog, g_get_home_dir ()); + } + + /* Add shortcuts to special dirs */ + if (saved_dir) { + gtk_file_chooser_add_shortcut_folder (chooser_dialog, saved_dir, NULL); + } + else if (pics_dir) { + gtk_file_chooser_add_shortcut_folder (chooser_dialog, pics_dir, NULL); + } + if (default_dir) { + gtk_file_chooser_add_shortcut_folder (chooser_dialog, default_dir, NULL); + } + + /* Setup preview image */ + image = gtk_image_new (); + gtk_file_chooser_set_preview_widget (chooser_dialog, image); + gtk_widget_set_size_request (image, AVATAR_SIZE_SAVE, AVATAR_SIZE_SAVE); + gtk_widget_show (image); + gtk_file_chooser_set_use_preview_label (chooser_dialog, FALSE); + g_signal_connect (chooser_dialog, "update-preview", + G_CALLBACK (avatar_chooser_update_preview_cb), + chooser); + + /* Setup filers */ + filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("Images")); + gtk_file_filter_add_pixbuf_formats (filter); + gtk_file_chooser_add_filter (chooser_dialog, filter); + filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, _("All Files")); + gtk_file_filter_add_pattern(filter, "*"); + gtk_file_chooser_add_filter (chooser_dialog, filter); + + /* Setup response */ + gtk_dialog_set_default_response (GTK_DIALOG (chooser_dialog), GTK_RESPONSE_OK); + g_signal_connect (chooser_dialog, "response", + G_CALLBACK (avatar_chooser_response_cb), + chooser); + + gtk_widget_show (GTK_WIDGET (chooser_dialog)); + g_free (saved_dir); +} + +GtkWidget * +empathy_avatar_chooser_new () +{ + return g_object_new (EMPATHY_TYPE_AVATAR_CHOOSER, NULL); +} + +void +empathy_avatar_chooser_set (EmpathyAvatarChooser *chooser, + EmpathyAvatar *avatar) +{ + g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (chooser)); + + if (avatar != NULL) { + avatar_chooser_set_image_from_avatar (chooser, avatar, FALSE); + } else { + avatar_chooser_clear_image (chooser); + } +} + +void +empathy_avatar_chooser_get_image_data (EmpathyAvatarChooser *chooser, + const gchar **data, + gsize *data_size, + const gchar **mime_type) +{ + EmpathyAvatarChooserPriv *priv; + + g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (chooser)); + + priv = GET_PRIV (chooser); + + if (priv->avatar != NULL) { + if (data != NULL) { + *data = priv->avatar->data; + } + if (data_size != NULL) { + *data_size = priv->avatar->len; + } + if (mime_type != NULL) { + *mime_type = priv->avatar->format; + } + } else { + if (data != NULL) { + *data = NULL; + } + if (data_size != NULL) { + *data_size = 0; + } + if (mime_type != NULL) { + *mime_type = NULL; + } + } +} + |