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federated-calendar/src/gcal-source-dialog.c
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/* gcal-source-dialog.c
*
* Copyright (C) 2015 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gcal-source-dialog.h"
#include "e-source-local.h"
#include "gcal-utils.h"
#include <glib/gi18n.h>
typedef struct
{
GtkWidget *add_button;
GtkWidget *calendar_color_button;
GtkWidget *cancel_button;
GtkWidget *default_check;
GtkWidget *edit_grid;
GtkWidget *headerbar;
GtkWidget *name_entry;
GtkWidget *notebook;
GtkWidget *spinner;
GtkWidget *spinner_window;
GtkWidget *remove_button;
GtkWidget *select_file_button;
GtkWidget *stack;
/* new source details */
GtkWidget *author_label;
GtkWidget *calendar_address_entry;
GtkWidget *details_frame;
GtkWidget *local_source_grid;
GtkWidget *new_calendar_name_entry;
GtkWidget *web_source_grid;
gint validate_url_resource_id;
/* flags */
GcalSourceDialogMode mode;
ESource *source;
ESource *local_source;
ESource *remote_source;
ESource *old_default_source;
GBinding *title_bind;
/* manager */
GcalManager *manager;
} GcalSourceDialogPrivate;
struct _GcalSourceDialog
{
GtkDialog parent;
/*< private >*/
GcalSourceDialogPrivate *priv;
};
static void action_widget_activated (GtkWidget *widget,
gpointer user_data);
static void clear_pages (GcalSourceDialog *dialog);
static void color_set (GtkColorButton *button,
gpointer user_data);
static void default_check_toggled (GObject *object,
GParamSpec *pspec,
gpointer user_data);
static gboolean description_label_link_activated (GtkWidget *widget,
gchar *uri,
gpointer user_data);
static void name_entry_text_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data);
static void notebook_page_switched (GtkWidget *notebook,
GtkWidget *page,
guint page_num,
gpointer user_data);
static void response_signal (GtkDialog *dialog,
gint response_id,
gpointer user_data);
static void select_calendar_file (GtkButton *button,
gpointer user_data);
static void setup_source_details (GcalSourceDialog *dialog,
ESource *source);
static gboolean spinner_damaged (GtkWidget *spinner,
GdkEvent *event,
gpointer user_data);
static void url_entry_text_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data);
static gboolean validate_url_cb (GcalSourceDialog *dialog);
G_DEFINE_TYPE_WITH_PRIVATE (GcalSourceDialog, gcal_source_dialog, GTK_TYPE_DIALOG)
/**
* action_widget_activated:
* @widget: the button which emited the signal.
* @user_data: a {@link GcalSourceDialog} instance.
*
* Emit a response when action buttons
* are clicked.
*
* Returns:
*/
static void
action_widget_activated (GtkWidget *widget,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (user_data)->priv;
gint response;
response = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (widget), "response"));
priv->old_default_source = NULL;
gtk_dialog_response (GTK_DIALOG (user_data), response);
}
/**
* clear_pages:
*
* Clear local and web pages.
*
* Returns:
*/
static void
clear_pages (GcalSourceDialog *dialog)
{
GcalSourceDialogPrivate *priv = dialog->priv;
gtk_button_set_label (GTK_BUTTON (priv->select_file_button), _("Select Calendar File…"));
gtk_entry_set_text (GTK_ENTRY (priv->calendar_address_entry), "");
gtk_widget_set_sensitive (priv->add_button, FALSE);
/* details frame */
if (gtk_widget_get_parent (priv->details_frame) != NULL)
gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (priv->details_frame)), priv->details_frame);
gtk_widget_hide (priv->details_frame);
}
static void
color_set (GtkColorButton *button,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (user_data)->priv;
ESourceSelectable *extension;
GdkRGBA color;
gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (button), &color);
extension = E_SOURCE_SELECTABLE (e_source_get_extension (priv->source, E_SOURCE_EXTENSION_CALENDAR));
e_source_selectable_set_color (extension, gdk_rgba_to_string (&color));
}
static void
default_check_toggled (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (user_data)->priv;
/* Retrieve the current default source */
if (priv->old_default_source == NULL)
{
priv->old_default_source = gcal_manager_get_default_source (priv->manager);
g_object_unref (priv->old_default_source);
}
/**
* Keeps toggling between the
* current source and the previous
* default source.
*/
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (object)))
{
gcal_manager_set_default_source (priv->manager, priv->source);
}
else
{
gcal_manager_set_default_source (priv->manager, priv->old_default_source);
}
}
/**
* description_label_link_activated:
*
* Show GNOME Control Center when
* the label's link is pressed.
*
* Returns:
*/
static gboolean
description_label_link_activated (GtkWidget *widget,
gchar *uri,
gpointer user_data)
{
gchar *command[] = {"gnome-control-center", "online-accounts", NULL};
g_spawn_async (NULL, command, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL);
return TRUE;
}
/**
* name_entry_text_changed:
*
* Callend when the name entry's text
* is edited. It changes the source's
* display name, but wait's for the
* calendar's ::response signal to
* commit these changes.
*
* Returns:
*/
static void
name_entry_text_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (user_data)->priv;
e_source_set_display_name (priv->source, gtk_entry_get_text (GTK_ENTRY (priv->name_entry)));
}
/**
* notebook_page_switched:
*
* Validates the current state of
* the dialog according to the current
* page.
*
* Returns:
*/
static void
notebook_page_switched (GtkWidget *notebook,
GtkWidget *page,
guint page_num,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (user_data)->priv;
if (page_num == 0)
{
gtk_widget_set_sensitive (priv->add_button, (priv->remote_source != NULL));
}
else
{
gtk_widget_set_sensitive (priv->add_button, (priv->local_source != NULL));
}
}
/**
* response_signal:
*
* Save the source when the dialog
* is close.
*
* Returns:
*/
static void
response_signal (GtkDialog *dialog,
gint response_id,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (dialog)->priv;
/* save the source */
if (priv->mode == GCAL_SOURCE_DIALOG_MODE_EDIT)
{
gcal_manager_save_source (priv->manager, priv->source);
}
/* commit the new source */
if (priv->mode == GCAL_SOURCE_DIALOG_MODE_CREATE && response_id == GTK_RESPONSE_APPLY)
{
ESource *current_source, *other_source;
gint page;
page = gtk_notebook_get_current_page (GTK_NOTEBOOK (priv->notebook));
current_source = (page == 0 ? priv->remote_source : priv->local_source);
other_source = (page == 1 ? priv->remote_source : priv->local_source);
/* save the current page's source */
if (current_source != NULL)
gcal_manager_save_source (priv->manager, current_source);
/* destory the leftover source */
if (other_source != NULL)
g_object_unref (other_source);
}
/* Destroy the source when the operation is cancelled */
if (priv->mode == GCAL_SOURCE_DIALOG_MODE_CREATE && response_id == GTK_RESPONSE_CANCEL)
{
if (priv->local_source != NULL)
{
g_object_unref (priv->local_source);
priv->local_source = NULL;
}
if (priv->remote_source != NULL)
{
g_object_unref (priv->remote_source);
priv->remote_source = NULL;
}
}
}
/**
* select_calendar_file:
*
* Opens a file selector dialog and
* parse the resulting selection.
*
* Returns:
*/
static void
select_calendar_file (GtkButton *button,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (user_data)->priv;
GtkFileFilter *filter;
GtkWidget *dialog;
gint response;
/* File filter */
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, _("Calendar files"));
gtk_file_filter_add_mime_type (filter, "text/calendar");
/* File chooser dialog */
dialog = gtk_file_chooser_dialog_new (_("Select a calendar file"), GTK_WINDOW (user_data),
GTK_FILE_CHOOSER_ACTION_OPEN, _("Cancel"), GTK_RESPONSE_CANCEL, _("Open"),
GTK_RESPONSE_OK, NULL);
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
response = gtk_dialog_run (GTK_DIALOG (dialog));
if (response == GTK_RESPONSE_OK)
{
ESourceExtension *ext;
ESource *source;
GFile *file;
file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
/**
* Remove any reminescent ESources
* cached before.
*/
if (priv->local_source != NULL)
g_clear_pointer (&(priv->local_source), g_object_unref);
/**
* Since we cannot guarantee that the
* type system registered ESourceLocal,
* it must be ensured at least here.
*/
g_type_ensure (E_TYPE_SOURCE_LOCAL);
/**
* Create the new source and add the needed
* extensions.
*/
source = e_source_new (NULL, NULL, NULL);
e_source_set_parent (source, "local-stub");
ext = e_source_get_extension (source, E_SOURCE_EXTENSION_CALENDAR);
e_source_backend_set_backend_name (E_SOURCE_BACKEND (ext), "local");
ext = e_source_get_extension (source, E_SOURCE_EXTENSION_LOCAL_BACKEND);
e_source_local_set_custom_file (E_SOURCE_LOCAL (ext), file);
/* update the source properties */
e_source_set_display_name (source, g_file_get_basename (file));
/* Set the private source so it saves at closing */
priv->local_source = source;
/* Update buttons */
gtk_button_set_label (GTK_BUTTON (priv->select_file_button), g_file_get_basename (file));
gtk_widget_set_sensitive (priv->add_button, source != NULL);
setup_source_details (GCAL_SOURCE_DIALOG (user_data), source);
}
gtk_widget_destroy (dialog);
}
/**
* setup_source_details:
*
* Setup the details frame of a given
* calendar in proccess of creation.
*
* Returns:
*/
static void
setup_source_details (GcalSourceDialog *dialog,
ESource *source)
{
GcalSourceDialogPrivate *priv = dialog->priv;
gchar *email;
GtkWidget *parent_grid;
if (gtk_notebook_get_current_page (GTK_NOTEBOOK (priv->notebook)) == 0)
parent_grid = priv->web_source_grid;
else
parent_grid = priv->local_source_grid;
/* If it's inside any grid, remove it */
if (gtk_widget_get_parent (priv->details_frame) != NULL)
gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (priv->details_frame)), priv->details_frame);
/* Add it to the current grid */
gtk_grid_attach (GTK_GRID (parent_grid), priv->details_frame, 0, 2, 1, 2);
/* Calendar name */
gtk_entry_set_text (GTK_ENTRY (priv->new_calendar_name_entry), e_source_get_display_name (source));
/* Email field */
email = gcal_manager_query_client_data (priv->manager, source, CAL_BACKEND_PROPERTY_CAL_EMAIL_ADDRESS);
if (email != NULL)
{
gtk_label_set_markup (GTK_LABEL (priv->author_label), email);
}
else
{
gchar *text = g_strdup_printf ("<i><small>%s</small></i>", _("No author"));
gtk_label_set_markup (GTK_LABEL (priv->author_label), text);
g_free (text);
}
gtk_widget_show_all (priv->details_frame);
}
/**
* spinner_damaged:
*
* Update the url's entry with
* the spinner icon.
*
* Returns: FALSE
*/
static gboolean
spinner_damaged (GtkWidget *spinner,
GdkEvent *event,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (user_data)->priv;
GdkPixbuf *pix;
pix = gtk_offscreen_window_get_pixbuf (GTK_OFFSCREEN_WINDOW (priv->spinner_window));
gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (priv->calendar_address_entry), GTK_ENTRY_ICON_SECONDARY, pix);
return FALSE;
}
/**
* url_entry_text_changed:
*
* Performs a validation of the URL
* 1 second after the user inputs.
*
* Returns:
*/
static void
url_entry_text_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
GcalSourceDialogPrivate *priv = GCAL_SOURCE_DIALOG (user_data)->priv;
const gchar* text;
text = gtk_entry_get_text (GTK_ENTRY (priv->calendar_address_entry));
if (g_utf8_strlen (text, -1) != 0)
{
// Remove any previous unreleased resource
if (priv->validate_url_resource_id != 0)
g_source_remove (priv->validate_url_resource_id);
priv->validate_url_resource_id = g_timeout_add_seconds (1, validate_url_cb, user_data);
}
else
{
/* remove entry's icon */
gtk_spinner_stop (GTK_SPINNER (priv->spinner));
gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (priv->calendar_address_entry), GTK_ENTRY_ICON_SECONDARY, NULL);
}
}
/**
* validate_url_cb:
*
* Query the given URL for possible
* calendar data.
*
* Returns:FALSE
*/
static gboolean
validate_url_cb (GcalSourceDialog *dialog)
{
GcalSourceDialogPrivate *priv = dialog->priv;
priv->validate_url_resource_id = 0;
gtk_spinner_start (GTK_SPINNER (priv->spinner));
g_message ("stub");
return FALSE;
}
GcalSourceDialog *
gcal_source_dialog_new (void)
{
return g_object_new (GCAL_TYPE_SOURCE_DIALOG, NULL);
}
static void
gcal_source_dialog_constructed (GObject *object)
{
GcalSourceDialog *self = (GcalSourceDialog *)object;
GcalSourceDialogPrivate *priv = gcal_source_dialog_get_instance_private (self);
G_OBJECT_CLASS (gcal_source_dialog_parent_class)->constructed (object);
/* widget responses */
gtk_dialog_set_default_response (GTK_DIALOG (object), GTK_RESPONSE_CANCEL);
g_object_set_data (G_OBJECT (priv->add_button), "response", GINT_TO_POINTER (GTK_RESPONSE_APPLY));
g_object_set_data (G_OBJECT (priv->cancel_button), "response", GINT_TO_POINTER (GTK_RESPONSE_CANCEL));
g_object_set_data (G_OBJECT (priv->remove_button), "response", GINT_TO_POINTER (GCAL_RESPONSE_REMOVE_SOURCE));
/* setup titlebar */
gtk_window_set_titlebar (GTK_WINDOW (object), priv->headerbar);
}
static void
gcal_source_dialog_class_init (GcalSourceDialogClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class;
object_class->constructed = gcal_source_dialog_constructed;
widget_class = GTK_WIDGET_CLASS (klass);
/* bind things for/from the template class */
gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (klass), "/org/gnome/calendar/source-dialog.ui");
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, add_button);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, author_label);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, calendar_address_entry);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, calendar_color_button);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, cancel_button);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, default_check);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, details_frame);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, edit_grid);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, headerbar);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, local_source_grid);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, name_entry);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, new_calendar_name_entry);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, notebook);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, remove_button);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, select_file_button);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, spinner);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, spinner_window);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, stack);
gtk_widget_class_bind_template_child_private (widget_class, GcalSourceDialog, web_source_grid);
gtk_widget_class_bind_template_callback (widget_class, action_widget_activated);
gtk_widget_class_bind_template_callback (widget_class, color_set);
gtk_widget_class_bind_template_callback (widget_class, default_check_toggled);
gtk_widget_class_bind_template_callback (widget_class, description_label_link_activated);
gtk_widget_class_bind_template_callback (widget_class, name_entry_text_changed);
gtk_widget_class_bind_template_callback (widget_class, notebook_page_switched);
gtk_widget_class_bind_template_callback (widget_class, response_signal);
gtk_widget_class_bind_template_callback (widget_class, select_calendar_file);
gtk_widget_class_bind_template_callback (widget_class, spinner_damaged);
gtk_widget_class_bind_template_callback (widget_class, url_entry_text_changed);
}
static void
gcal_source_dialog_init (GcalSourceDialog *self)
{
GcalSourceDialogPrivate *priv = gcal_source_dialog_get_instance_private (self);
self->priv = priv;
gtk_widget_init_template (GTK_WIDGET (self));
}
/**
* gcal_source_dialog_set_manager:
*
* Setup the {@link GcalManager} singleton
* instance of the application.
*
* Returns:
*/
void
gcal_source_dialog_set_manager (GcalSourceDialog *dialog,
GcalManager *manager)
{
GcalSourceDialogPrivate *priv = dialog->priv;
priv->manager = manager;
/* TODO: connect ::source-added & ::source-removed signals */
}
/**
* gcal_source_dialog_set_mode:
*
* Set the source dialog mode. Creation
* mode means that a new calendar will
* be created, while edit mode means a
* calendar will be edited.
*
* Returns:
*/
void
gcal_source_dialog_set_mode (GcalSourceDialog *dialog,
GcalSourceDialogMode mode)
{
GcalSourceDialogPrivate *priv = dialog->priv;
gboolean edit_mode;
priv->mode = mode;
edit_mode = (mode == GCAL_SOURCE_DIALOG_MODE_EDIT);
gtk_header_bar_set_show_close_button (GTK_HEADER_BAR (priv->headerbar), edit_mode);
gtk_stack_set_visible_child_name (GTK_STACK (priv->stack), edit_mode ? "edit" : "create");
if (!edit_mode)
{
/* Free any bindings left behind */
if (priv->title_bind != NULL)
{
g_binding_unbind (priv->title_bind);
priv->title_bind = NULL;
}
gtk_window_resize (GTK_WINDOW (dialog), 550, 500);
gtk_header_bar_set_title (GTK_HEADER_BAR (priv->headerbar), _("Add Calendar"));
gtk_header_bar_set_subtitle (GTK_HEADER_BAR (priv->headerbar), NULL);
clear_pages (dialog);
}
else
{
/* bind title when nothing is binded */
if (priv->title_bind == NULL)
{
priv->title_bind = g_object_bind_property (priv->name_entry, "text", priv->headerbar, "title",
G_BINDING_DEFAULT);
}
gtk_window_resize (GTK_WINDOW (dialog), 550, 200);
}
}
/**
* gcal_source_dialog_set_source:
*
* Sets the source to be edited by the user.
*
* Returns:
*/
void
gcal_source_dialog_set_source (GcalSourceDialog *dialog,
ESource *source)
{
GcalSourceDialogPrivate *priv = dialog->priv;
ESource *default_source, *parent_source;
GdkRGBA color;
priv->source = source;
default_source = gcal_manager_get_default_source (priv->manager);
parent_source = gcal_manager_get_source (priv->manager, e_source_get_parent (source));
/* block signals */
g_signal_handlers_block_by_func (priv->calendar_color_button, color_set, dialog);
g_signal_handlers_block_by_func (priv->name_entry, name_entry_text_changed, dialog);
/* color button */
gdk_rgba_parse (&color, get_color_name_from_source (source));
gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (priv->calendar_color_button), &color);
/* entry */
gtk_entry_set_text (GTK_ENTRY (priv->name_entry), e_source_get_display_name (source));
/* default source check button */
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->default_check), (source == default_source));
gtk_widget_set_visible (priv->default_check, !gcal_manager_is_client_writable (priv->manager, source));
/* title */
gtk_header_bar_set_title (GTK_HEADER_BAR (priv->headerbar), e_source_get_display_name (source));
gtk_header_bar_set_subtitle (GTK_HEADER_BAR (priv->headerbar), e_source_get_display_name (parent_source));
/* toggle the remove button */
gtk_widget_set_sensitive (priv->remove_button, e_source_get_removable (source));
/* unblock signals */
g_signal_handlers_unblock_by_func (priv->calendar_color_button, color_set, dialog);
g_signal_handlers_unblock_by_func (priv->name_entry, name_entry_text_changed, dialog);
g_object_unref (default_source);
g_object_unref (parent_source);
}