diff options
Diffstat (limited to 'tp-account-widgets')
-rw-r--r-- | tp-account-widgets/Makefile.am | 4 | ||||
-rw-r--r-- | tp-account-widgets/tpaw-avatar-chooser.c | 1222 | ||||
-rw-r--r-- | tp-account-widgets/tpaw-avatar-chooser.h | 67 |
3 files changed, 1293 insertions, 0 deletions
diff --git a/tp-account-widgets/Makefile.am b/tp-account-widgets/Makefile.am index 8ef8b4a36..21a10feb0 100644 --- a/tp-account-widgets/Makefile.am +++ b/tp-account-widgets/Makefile.am @@ -8,11 +8,13 @@ AM_CPPFLAGS = \ -DGCR_API_SUBJECT_TO_CHANGE \ $(EMPATHY_CFLAGS) \ $(UDEV_CFLAGS) \ + $(CHEESE_CFLAGS) \ $(WARN_CFLAGS) \ $(DISABLE_DEPRECATED) libtp_account_widgets_LIBADD = \ $(UDEV_LIBS) \ + $(CHEESE_LIBS) \ $(NULL) BUILT_SOURCES = \ @@ -26,6 +28,7 @@ libtp_account_widgets_sources = \ tpaw-account-widget-irc.c \ tpaw-account-widget-private.h \ tpaw-account-widget-sip.c \ + tpaw-avatar-chooser.c \ tpaw-builder.c \ tpaw-calendar-button.c \ tpaw-camera-monitor.c \ @@ -50,6 +53,7 @@ libtp_account_widgets_headers = \ tpaw-account-widget.h \ tpaw-account-widget-irc.h \ tpaw-account-widget-sip.h \ + tpaw-avatar-chooser.h \ tpaw-builder.h \ tpaw-calendar-button.h \ tpaw-camera-monitor.h \ diff --git a/tp-account-widgets/tpaw-avatar-chooser.c b/tp-account-widgets/tpaw-avatar-chooser.c new file mode 100644 index 000000000..7d28c4217 --- /dev/null +++ b/tp-account-widgets/tpaw-avatar-chooser.c @@ -0,0 +1,1222 @@ +/* + * 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 the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Authors: Based on Novell's e-image-chooser. + * Xavier Claessens <xclaesse@gmail.com> + */ + +#include "config.h" +#include "tpaw-avatar-chooser.h" + +#include <glib/gi18n-lib.h> +#include <tp-account-widgets/tpaw-camera-monitor.h> +#include <tp-account-widgets/tpaw-gsettings.h> +#include <tp-account-widgets/tpaw-images.h> + +#ifdef HAVE_CHEESE +#include <cheese-avatar-chooser.h> +#endif /* HAVE_CHEESE */ + +#include "empathy-ui-utils.h" +#include "empathy-utils.h" + +#define DEBUG_FLAG EMPATHY_DEBUG_OTHER +#include "empathy-debug.h" + +/** + * SECTION:tpaw-avatar-chooser + * @title: TpawAvatarChooser + * @short_description: A widget used to change avatar + * @include: tp-account-widgets/tpaw-avatar-chooser.h + * + * #TpawAvatarChooser is a widget which extends #GtkButton to + * provide a way of changing avatar. + */ + +/** + * TpawAvatarChooser: + * @parent: parent object + * + * Widget which extends #GtkButton to provide a way of changing avatar. + */ + +#define AVATAR_SIZE_SAVE 96 +#define AVATAR_SIZE_VIEW 64 +#define DEFAULT_DIR DATADIR"/pixmaps/faces" + +#ifdef HAVE_CHEESE +/* + * A custom GtkResponseType used when the user presses the + * "Camera Picture" button. Any positive value would be sufficient. + */ +#define TPAW_AVATAR_CHOOSER_RESPONSE_WEBCAM 10 +#endif +#define TPAW_AVATAR_CHOOSER_RESPONSE_NO_IMAGE GTK_RESPONSE_NO +#define TPAW_AVATAR_CHOOSER_RESPONSE_CANCEL GTK_RESPONSE_CANCEL +#define TPAW_AVATAR_CHOOSER_RESPONSE_FILE GTK_RESPONSE_OK + +struct _TpawAvatarChooserPrivate +{ + TpAccount *account; + + GArray *avatar; + gchar *mime_type; + gboolean changed; + + GtkFileChooser *chooser_dialog; + GSettings *gsettings_ui; +}; + +enum +{ + PROP_0, + PROP_ACCOUNT +}; + +G_DEFINE_TYPE (TpawAvatarChooser, tpaw_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_set_image (TpawAvatarChooser *self, + GArray *avatar, + gchar *mime_type, + GdkPixbuf *pixbuf, + gboolean maybe_convert); +static void avatar_chooser_clear_image (TpawAvatarChooser *self); + +static void +get_avatar_cb (GObject *source, + GAsyncResult *result, + gpointer user_data) +{ + TpWeakRef *wr = user_data; + TpawAvatarChooser *self = tp_weak_ref_dup_object (wr); + const GArray *avatar; + GdkPixbuf *pixbuf; + gchar *mime_type; + GError *error = NULL; + + if (self == NULL) + { + tp_weak_ref_destroy (wr); + return; + } + + avatar = tp_account_get_avatar_finish (self->priv->account, result, &error); + if (avatar == NULL) + { + DEBUG ("Error getting account's avatar: %s", error->message); + g_clear_error (&error); + goto out; + } + + if (avatar->len == 0) + { + avatar_chooser_clear_image (self); + goto out; + } + + pixbuf = empathy_pixbuf_from_data_and_mime ((gchar *) avatar->data, + avatar->len, &mime_type); + if (pixbuf == NULL) + { + DEBUG ("couldn't make a pixbuf from avatar; giving up"); + goto out; + } + + avatar_chooser_set_image (self, (GArray *) avatar, mime_type, pixbuf, FALSE); + g_free (mime_type); + + self->priv->changed = FALSE; + +out: + tp_weak_ref_destroy (wr); + g_object_unref (self); +} + +static void +avatar_changed_cb (TpAccount *account, + gpointer user_data, + GObject *weak_object) +{ + TpawAvatarChooser *self = (TpawAvatarChooser *) weak_object; + + tp_account_get_avatar_async (self->priv->account, + get_avatar_cb, tp_weak_ref_new (self, NULL, NULL)); +} + +static void +avatar_chooser_constructed (GObject *object) +{ + TpawAvatarChooser *self = (TpawAvatarChooser *) object; + + G_OBJECT_CLASS (tpaw_avatar_chooser_parent_class)->constructed (object); + + tp_account_get_avatar_async (self->priv->account, + get_avatar_cb, tp_weak_ref_new (self, NULL, NULL)); + + /* FIXME: no signal on TpAccount, yet. + * See https://bugs.freedesktop.org/show_bug.cgi?id=52938 */ + tp_cli_account_interface_avatar_connect_to_avatar_changed ( + self->priv->account, avatar_changed_cb, NULL, NULL, (GObject *) self, + NULL); +} + +static void +avatar_chooser_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec) +{ + TpawAvatarChooser *self = (TpawAvatarChooser *) object; + + switch (param_id) + { + case PROP_ACCOUNT: + g_value_set_object (value, self->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) +{ + TpawAvatarChooser *self = TPAW_AVATAR_CHOOSER (object); + + switch (param_id) + { + case PROP_ACCOUNT: + g_assert (self->priv->account == NULL); /* construct-only */ + self->priv->account = g_value_dup_object (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + } +} + +static void +avatar_chooser_dispose (GObject *object) +{ + TpawAvatarChooser *self = (TpawAvatarChooser *) object; + + tp_clear_object (&self->priv->account); + tp_clear_pointer (&self->priv->avatar, g_array_unref); + tp_clear_pointer (&self->priv->mime_type, g_free); + tp_clear_object (&self->priv->gsettings_ui); + + G_OBJECT_CLASS (tpaw_avatar_chooser_parent_class)->dispose (object); +} + +static void +tpaw_avatar_chooser_class_init (TpawAvatarChooserClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GParamSpec *param_spec; + + object_class->constructed = avatar_chooser_constructed; + object_class->dispose = avatar_chooser_dispose; + object_class->get_property = avatar_chooser_get_property; + object_class->set_property = avatar_chooser_set_property; + + /** + * TpawAvatarChooser:account: + * + * The #TpAccount whose avatar should be shown and modified by + * the #TpawAvatarChooser instance. + */ + param_spec = g_param_spec_object ("account", + "TpAccount", + "TpAccount whose avatar should be " + "shown and modified by this widget", + TP_TYPE_ACCOUNT, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY | + G_PARAM_STATIC_STRINGS); + g_object_class_install_property (object_class, + PROP_ACCOUNT, + param_spec); + + g_type_class_add_private (object_class, sizeof (TpawAvatarChooserPrivate)); +} + +static gboolean +avatar_chooser_drag_motion_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time_, + TpawAvatarChooser *self) +{ + GList *p; + + for (p = gdk_drag_context_list_targets (context); 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 gboolean +avatar_chooser_drag_drop_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time_, + TpawAvatarChooser *self) +{ + GList *p; + + if (gdk_drag_context_list_targets (context) == NULL) + return FALSE; + + for (p = gdk_drag_context_list_targets (context); + 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_clear_image (TpawAvatarChooser *self) +{ + GtkWidget *image; + + tp_clear_pointer (&self->priv->avatar, g_array_unref); + tp_clear_pointer (&self->priv->mime_type, g_free); + self->priv->changed = TRUE; + + image = gtk_image_new_from_icon_name (TPAW_IMAGE_AVATAR_DEFAULT, + GTK_ICON_SIZE_DIALOG); + gtk_button_set_image (GTK_BUTTON (self), image); +} + +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 void +avatar_chooser_error_show (TpawAvatarChooser *self, + const gchar *primary_text, + const gchar *secondary_text) +{ + GtkWidget *parent; + GtkWidget *dialog; + + parent = gtk_widget_get_toplevel (GTK_WIDGET (self)); + 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 TpAvatarRequirements * +get_requirements (TpawAvatarChooser *self) +{ + TpConnection *connection; + + /* FIXME: Should get on TpProtocol if account is offline */ + connection = tp_account_get_connection (self->priv->account); + return tp_connection_get_avatar_requirements (connection); +} + + +static gboolean +avatar_chooser_maybe_convert_and_scale (TpawAvatarChooser *self, + GdkPixbuf *pixbuf, + GArray *avatar, + gchar *mime_type, + GArray **ret_avatar, + gchar **ret_mime_type) +{ + TpAvatarRequirements *req; + gboolean needs_conversion = FALSE; + guint width, height; + gchar *new_format_name = NULL; + gchar *new_mime_type = NULL; + gdouble min_factor, max_factor; + gdouble factor; + gchar *best_image_data = NULL; + gsize best_image_size = 0; + guint count = 0; + + g_assert (ret_avatar != NULL); + g_assert (ret_mime_type != NULL); + + req = get_requirements (self); + if (req == NULL) + { + DEBUG ("Avatar requirements not ready"); + return FALSE; + } + + /* 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 (mime_type, + req->supported_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, mime_type); + needs_conversion = TRUE; + } + + /* 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 (self, _("Couldn't convert image"), + _("None of the accepted image formats are " + "supported on your system")); + return FALSE; + } + + /* If width or height are too big, it needs converting. */ + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + if ((req->maximum_width > 0 && width > req->maximum_width) || + (req->maximum_height > 0 && height > req->maximum_height)) + { + gdouble h_factor, v_factor; + + h_factor = (gdouble) req->maximum_width / width; + v_factor = (gdouble) req->maximum_height / height; + factor = max_factor = MIN (h_factor, v_factor); + + DEBUG ("Image dimensions (%dx%d) are too big. Max is %dx%d.", + width, height, req->maximum_width, req->maximum_height); + + needs_conversion = TRUE; + } + + /* If the data len is too big and no other conversion is needed, + * try with a lower factor. */ + if (req->maximum_bytes > 0 && avatar->len > req->maximum_bytes && + !needs_conversion) + { + DEBUG ("Image data (%u bytes) is too big " + "(max is %u bytes), conversion needed.", + avatar->len, req->maximum_bytes); + + factor = 0.5; + needs_conversion = TRUE; + } + + /* If no conversion is needed, return the avatar */ + if (!needs_conversion) + { + *ret_avatar = g_array_ref (avatar); + *ret_mime_type = g_strdup (mime_type); + return TRUE; + } + + do + { + GdkPixbuf *pixbuf_scaled = NULL; + gboolean saved; + gint new_width, new_height; + gchar *converted_image_data; + gsize converted_image_size; + GError *error = NULL; + + 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); + g_object_unref (pixbuf_scaled); + + if (!saved) + { + g_free (new_format_name); + g_free (new_mime_type); + avatar_chooser_error_show (self, + _("Couldn't convert image"), + error ? error->message : NULL); + g_clear_error (&error); + return FALSE; + } + + DEBUG ("Produced an image data of %"G_GSIZE_FORMAT" bytes.", + converted_image_size); + + /* If the new image satisfy the req, keep it as current best */ + if (req->maximum_bytes == 0 || converted_image_size <= req->maximum_bytes) + { + g_free (best_image_data); + + best_image_data = converted_image_data; + best_image_size = converted_image_size; + + /* If this image is close enough to the optimal size, + * stop searching */ + if (req->maximum_bytes == 0 || + req->maximum_bytes - converted_image_size <= 1024) + break; + } + else + { + g_free (converted_image_data); + } + + /* Make a binary search for the bigest factor that produce + * an image data size less than max_size */ + if (converted_image_size > req->maximum_bytes) + max_factor = factor; + if (converted_image_size < req->maximum_bytes) + min_factor = factor; + factor = (min_factor + max_factor)/2; + + if ((int) (width * factor) == new_width || + (int) (height * factor) == new_height) + { + /* min_factor and max_factor are too close, so the new + * factor will produce the same image as previous + * iteration. No need to continue, we already found + * the optimal size. */ + break; + } + + /* Do 10 iterations in the worst case */ + } while (++count < 10); + + g_free (new_format_name); + + /* FIXME: there is no way to create a GArray with zero copy? */ + *ret_avatar = g_array_sized_new (FALSE, FALSE, sizeof (gchar), + best_image_size); + g_array_append_vals (*ret_avatar, best_image_data, best_image_size); + g_free (best_image_data); + + *ret_mime_type = new_mime_type; + + return TRUE; +} + +/* Take ownership of @pixbuf */ +static void +avatar_chooser_set_image (TpawAvatarChooser *self, + GArray *avatar, + gchar *mime_type, + GdkPixbuf *pixbuf, + gboolean maybe_convert) +{ + GdkPixbuf *pixbuf_view; + GtkWidget *image; + + g_assert (avatar != NULL); + g_assert (pixbuf != NULL); + + if (maybe_convert) + { + GArray *conv_avatar = NULL; + gchar *conv_mime_type = NULL; + + if (!avatar_chooser_maybe_convert_and_scale (self, + pixbuf, avatar, mime_type, &conv_avatar, &conv_mime_type)) + return; + + /* Transfer ownership */ + tp_clear_pointer (&self->priv->avatar, g_array_unref); + self->priv->avatar = conv_avatar; + + g_free (self->priv->mime_type); + self->priv->mime_type = conv_mime_type; + } + else + { + tp_clear_pointer (&self->priv->avatar, g_array_unref); + self->priv->avatar = g_array_ref (avatar); + + g_free (self->priv->mime_type); + self->priv->mime_type = g_strdup (mime_type); + } + + self->priv->changed = TRUE; + + 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 (self), image); + + g_object_unref (pixbuf_view); + g_object_unref (pixbuf); +} + +/* takes ownership of @data */ +static void +avatar_chooser_set_image_from_data (TpawAvatarChooser *self, + gchar *data, + gsize size) +{ + GdkPixbuf *pixbuf; + GArray *avatar; + gchar *mime_type = NULL; + + if (data == NULL) + { + avatar_chooser_clear_image (self); + return; + } + + pixbuf = empathy_pixbuf_from_data_and_mime (data, size, &mime_type); + if (pixbuf == NULL) + { + g_free (data); + return; + } + + /* FIXME: there is no way to create a GArray with zero copy? */ + avatar = g_array_sized_new (FALSE, FALSE, sizeof (gchar), size); + g_array_append_vals (avatar, data, size); + + avatar_chooser_set_image (self, avatar, mime_type, pixbuf, TRUE); + + g_free (mime_type); + g_array_unref (avatar); + g_free (data); +} + +static void +avatar_chooser_drag_data_received_cb (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint time_, + TpawAvatarChooser *self) +{ + gchar *target_type; + gboolean handled = FALSE; + + target_type = gdk_atom_name (gtk_selection_data_get_target (selection_data)); + if (!strcmp (target_type, URI_LIST_TYPE)) + { + GFile *file; + gchar *nl; + gchar *data = NULL; + gsize bytes_read; + + nl = strstr ((gchar *) gtk_selection_data_get_data (selection_data), + "\r\n"); + if (nl != NULL) + { + gchar *uri; + + uri = g_strndup ( + (gchar *) gtk_selection_data_get_data (selection_data), + nl - (gchar *) gtk_selection_data_get_data (selection_data)); + + file = g_file_new_for_uri (uri); + g_free (uri); + } + else + { + file = g_file_new_for_uri ((gchar *) gtk_selection_data_get_data ( + selection_data)); + } + + handled = g_file_load_contents (file, NULL, &data, &bytes_read, + NULL, NULL); + + if (handled) + { + /* pass data to the avatar_chooser_set_image_from_data */ + avatar_chooser_set_image_from_data (self, data, bytes_read); + } + + g_object_unref (file); + } + + gtk_drag_finish (context, handled, FALSE, time_); +} + +static void +avatar_chooser_update_preview_cb (GtkFileChooser *file_chooser, + TpawAvatarChooser *self) +{ + gchar *filename; + + filename = gtk_file_chooser_get_preview_filename (file_chooser); + + if (filename != NULL) + { + 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 != NULL) + { + 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), + "dialog-question", + GTK_ICON_SIZE_DIALOG); + } + + g_free (filename); + } + + gtk_file_chooser_set_preview_widget_active (file_chooser, TRUE); +} + +static void +avatar_chooser_set_image_from_file (TpawAvatarChooser *self, + 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; + } + + /* pass image_data to the avatar_chooser_set_image_from_data */ + avatar_chooser_set_image_from_data (self, image_data, image_size); +} + +#ifdef HAVE_CHEESE +static void +avatar_chooser_set_avatar_from_pixbuf (TpawAvatarChooser *self, + GdkPixbuf *pb) +{ + gsize size; + gchar *buf; + GArray *avatar; + GError *error = NULL; + + if (!gdk_pixbuf_save_to_buffer (pb, &buf, &size, "png", &error, NULL)) + { + avatar_chooser_error_show (self, + _("Couldn't save picture to file"), + error ? error->message : NULL); + g_clear_error (&error); + return; + } + + /* FIXME: there is no way to create a GArray with zero copy? */ + avatar = g_array_sized_new (FALSE, FALSE, sizeof (gchar), size); + g_array_append_vals (avatar, buf, size); + + avatar_chooser_set_image (self, avatar, "image/png", pb, TRUE); + + g_free (buf); + g_array_unref (avatar); +} + +static gboolean +destroy_chooser (GtkWidget *self) +{ + gtk_widget_destroy (self); + return FALSE; +} + +static void +webcam_response_cb (GtkDialog *dialog, + int response, + TpawAvatarChooser *self) +{ + if (response == GTK_RESPONSE_ACCEPT) + { + GdkPixbuf *pb; + CheeseAvatarChooser *cheese_chooser; + + cheese_chooser = CHEESE_AVATAR_CHOOSER (dialog); + pb = cheese_avatar_chooser_get_picture (cheese_chooser); + avatar_chooser_set_avatar_from_pixbuf (self, pb); + } + + if (response != GTK_RESPONSE_DELETE_EVENT && + response != GTK_RESPONSE_NONE) + g_idle_add ((GSourceFunc) destroy_chooser, dialog); +} + +static void +choose_avatar_from_webcam (GtkWidget *widget, + TpawAvatarChooser *self) +{ + GtkWidget *window; + + window = cheese_avatar_chooser_new (); + + gtk_window_set_transient_for (GTK_WINDOW (window), + GTK_WINDOW (empathy_get_toplevel_window (GTK_WIDGET (self)))); + gtk_window_set_modal (GTK_WINDOW (window), TRUE); + g_signal_connect (G_OBJECT (window), "response", + G_CALLBACK (webcam_response_cb), self); + gtk_widget_show (window); +} +#endif /* HAVE_CHEESE */ + +static void +avatar_chooser_response_cb (GtkWidget *widget, + gint response, + TpawAvatarChooser *self) +{ + self->priv->chooser_dialog = NULL; + + if (response == TPAW_AVATAR_CHOOSER_RESPONSE_FILE) + { + gchar *filename; + gchar *path; + + filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (widget)); + avatar_chooser_set_image_from_file (self, filename); + g_free (filename); + + path = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER (widget)); + if (path != NULL) + { + g_settings_set_string (self->priv->gsettings_ui, + TPAW_PREFS_UI_AVATAR_DIRECTORY, + path); + + g_free (path); + } + } + else if (response == TPAW_AVATAR_CHOOSER_RESPONSE_NO_IMAGE) + { + /* This corresponds to "No Image", not to "Cancel" */ + avatar_chooser_clear_image (self); + } + #ifdef HAVE_CHEESE + else if (response == TPAW_AVATAR_CHOOSER_RESPONSE_WEBCAM) + { + /* This corresponds to "Camera Picture" */ + choose_avatar_from_webcam (widget, self); + } + #endif + + gtk_widget_destroy (widget); +} + +static void +avatar_chooser_clicked_cb (GtkWidget *button, + TpawAvatarChooser *self) +{ + GtkFileChooser *chooser_dialog; + GtkWidget *image; + gchar *saved_dir = NULL; + const gchar *default_dir = DEFAULT_DIR; + const gchar *pics_dir; + GtkFileFilter *filter; +#ifdef HAVE_CHEESE + GtkWidget *picture_button; + TpawCameraMonitor *monitor; +#endif + + if (self->priv->chooser_dialog != NULL) + { + gtk_window_present (GTK_WINDOW (self->priv->chooser_dialog)); + return; + } + + self->priv->chooser_dialog = GTK_FILE_CHOOSER ( + gtk_file_chooser_dialog_new (_("Select Your Avatar Image"), + empathy_get_toplevel_window (GTK_WIDGET (self)), + GTK_FILE_CHOOSER_ACTION_OPEN, + NULL, NULL)); + +#ifdef HAVE_CHEESE + picture_button = gtk_dialog_add_button ( + GTK_DIALOG (self->priv->chooser_dialog), + _("Take a picture..."), TPAW_AVATAR_CHOOSER_RESPONSE_WEBCAM); + + /* Button is sensitive only if there is one camera connected */ + monitor = tpaw_camera_monitor_dup_singleton (); + + g_object_set_data_full (G_OBJECT (picture_button), + "monitor", monitor, g_object_unref); + + g_object_bind_property (monitor, "available", picture_button, "sensitive", + G_BINDING_SYNC_CREATE); +#endif + + gtk_dialog_add_buttons (GTK_DIALOG (self->priv->chooser_dialog), + _("No Image"), TPAW_AVATAR_CHOOSER_RESPONSE_NO_IMAGE, + GTK_STOCK_CANCEL, TPAW_AVATAR_CHOOSER_RESPONSE_CANCEL, + GTK_STOCK_OPEN, TPAW_AVATAR_CHOOSER_RESPONSE_FILE, + NULL); + + chooser_dialog = self->priv->chooser_dialog; + gtk_window_set_destroy_with_parent (GTK_WINDOW (chooser_dialog), TRUE); + + /* Get special dirs */ + saved_dir = g_settings_get_string (self->priv->gsettings_ui, + TPAW_PREFS_UI_AVATAR_DIRECTORY); + + if (saved_dir != NULL && + !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 != NULL && !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 != NULL) + gtk_file_chooser_set_current_folder (chooser_dialog, saved_dir); + else if (pics_dir != NULL) + gtk_file_chooser_set_current_folder (chooser_dialog, pics_dir); + else if (default_dir != NULL) + 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 != NULL) + 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), + self); + + /* 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), + TPAW_AVATAR_CHOOSER_RESPONSE_FILE); + + g_signal_connect (chooser_dialog, "response", + G_CALLBACK (avatar_chooser_response_cb), + self); + + gtk_widget_show (GTK_WIDGET (chooser_dialog)); + + g_free (saved_dir); +} + +static void +tpaw_avatar_chooser_init (TpawAvatarChooser *self) +{ + self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, + TPAW_TYPE_AVATAR_CHOOSER, TpawAvatarChooserPrivate); + + gtk_drag_dest_set (GTK_WIDGET (self), + GTK_DEST_DEFAULT_ALL, + drop_types, + G_N_ELEMENTS (drop_types), + GDK_ACTION_COPY); + + self->priv->gsettings_ui = g_settings_new (TPAW_PREFS_UI_SCHEMA); + + g_signal_connect (self, "drag-motion", + G_CALLBACK (avatar_chooser_drag_motion_cb), + self); + g_signal_connect (self, "drag-drop", + G_CALLBACK (avatar_chooser_drag_drop_cb), + self); + g_signal_connect (self, "drag-data-received", + G_CALLBACK (avatar_chooser_drag_data_received_cb), + self); + g_signal_connect (self, "clicked", + G_CALLBACK (avatar_chooser_clicked_cb), + self); + + avatar_chooser_clear_image (self); +} + +/** + * tpaw_avatar_chooser_new: + * @account: a #TpAccount + * + * Creates a new #TpawAvatarChooser. + * + * Return value: a new #TpawAvatarChooser + */ +GtkWidget * +tpaw_avatar_chooser_new (TpAccount *account) +{ + g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL); + + return g_object_new (TPAW_TYPE_AVATAR_CHOOSER, + "account", account, + NULL); +} + +static void +set_avatar_cb (GObject *source, + GAsyncResult *result, + gpointer user_data) +{ + GSimpleAsyncResult *my_result = user_data; + GError *error = NULL; + + if (!tp_account_set_avatar_finish (TP_ACCOUNT (source), result, &error)) + g_simple_async_result_take_error (my_result, error); + + g_simple_async_result_complete (my_result); + g_object_unref (my_result); +} + +void +tpaw_avatar_chooser_apply_async (TpawAvatarChooser *self, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GSimpleAsyncResult *result; + + g_return_if_fail (TPAW_IS_AVATAR_CHOOSER (self)); + + result = g_simple_async_result_new ((GObject *) self, callback, user_data, + tpaw_avatar_chooser_apply_async); + + if (!self->priv->changed) + { + g_simple_async_result_complete_in_idle (result); + g_object_unref (result); + return; + } + + self->priv->changed = FALSE; + + DEBUG ("%s Account.Avatar on %s", self->priv->avatar != NULL ? "Set": "Clear", + tp_proxy_get_object_path (self->priv->account)); + + tp_account_set_avatar_async (self->priv->account, + self->priv->avatar != NULL ? (guchar *) self->priv->avatar->data : NULL, + self->priv->avatar != NULL ? self->priv->avatar->len : 0, + self->priv->mime_type, set_avatar_cb, result); +} + +gboolean +tpaw_avatar_chooser_apply_finish (TpawAvatarChooser *self, + GAsyncResult *result, + GError **error) +{ + empathy_implement_finish_void (self, tpaw_avatar_chooser_apply_async); +} diff --git a/tp-account-widgets/tpaw-avatar-chooser.h b/tp-account-widgets/tpaw-avatar-chooser.h new file mode 100644 index 000000000..0aadef154 --- /dev/null +++ b/tp-account-widgets/tpaw-avatar-chooser.h @@ -0,0 +1,67 @@ +/* -*- 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 the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Authors: Based on Novell's e-image-chooser. + * Xavier Claessens <xclaesse@gmail.com> + */ + +#ifndef __TPAW_AVATAR_CHOOSER_H__ +#define __TPAW_AVATAR_CHOOSER_H__ + +#include <gio/gio.h> +#include <gtk/gtk.h> +#include <telepathy-glib/telepathy-glib.h> + +G_BEGIN_DECLS + +#define TPAW_TYPE_AVATAR_CHOOSER (tpaw_avatar_chooser_get_type ()) +#define TPAW_AVATAR_CHOOSER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TPAW_TYPE_AVATAR_CHOOSER, TpawAvatarChooser)) +#define TPAW_AVATAR_CHOOSER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TPAW_TYPE_AVATAR_CHOOSER, TpawAvatarChooserClass)) +#define TPAW_IS_AVATAR_CHOOSER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TPAW_TYPE_AVATAR_CHOOSER)) +#define TPAW_IS_AVATAR_CHOOSER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), TPAW_TYPE_AVATAR_CHOOSER)) + +typedef struct _TpawAvatarChooser TpawAvatarChooser; +typedef struct _TpawAvatarChooserClass TpawAvatarChooserClass; +typedef struct _TpawAvatarChooserPrivate TpawAvatarChooserPrivate; + +struct _TpawAvatarChooser +{ + GtkButton parent; + + /*<private>*/ + TpawAvatarChooserPrivate *priv; +}; + +struct _TpawAvatarChooserClass +{ + GtkButtonClass parent_class; +}; + +GType tpaw_avatar_chooser_get_type (void); + +GtkWidget *tpaw_avatar_chooser_new (TpAccount *account); + +void tpaw_avatar_chooser_apply_async (TpawAvatarChooser *self, + GAsyncReadyCallback callback, + gpointer user_data); +gboolean tpaw_avatar_chooser_apply_finish (TpawAvatarChooser *self, + GAsyncResult *result, + GError **error); + +#endif /* __TPAW_AVATAR_CHOOSER_H__ */ |