path: root/calendar/gui/alarm-notify/alarm-notify-dialog.c

/*
 * Evolution calendar - alarm notification dialog
 *
 * This program 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 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Federico Mena-Quintero <federico@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include <config.h>
#include <stdio.h>
#include <string.h>
#include <glib/gi18n.h>
#include <glade/glade.h>
#include <libedataserver/e-time-utils.h>
#include <libecal/e-cal-time-util.h>
#include "alarm-notify-dialog.h"
#include "config-data.h"
#include "util.h"
#include "e-util/e-util-private.h"
#include "misc/e-buffer-tagger.h"

enum {
    ALARM_DISPLAY_COLUMN,
    ALARM_SUMMARY_COLUMN,
    ALARM_DESCRIPTION_COLUMN,
    ALARM_LOCATION_COLUMN,

    ALARM_START_COLUMN,
    ALARM_END_COLUMN,

    ALARM_FUNCINFO_COLUMN,

    N_ALARM_COLUMNS
};

/* The useful contents of the alarm notify dialog */

typedef struct {
    AlarmNotifyFunc func;
    gpointer func_data;
} AlarmFuncInfo;

typedef struct {
    GladeXML *xml;

    GtkWidget *dialog;
    GtkWidget *snooze_time_min;
    GtkWidget *snooze_time_hrs;
    GtkWidget *snooze_btn;
    GtkWidget *dismiss_btn;
    GtkWidget *minutes_label;
    GtkWidget *hrs_label;
    GtkWidget *description;
    GtkWidget *location;
    GtkWidget *treeview;
    GtkWidget *scrolledwindow;

    AlarmFuncInfo *cur_funcinfo;

} AlarmNotify;


static void
tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data);

static void
fill_in_labels (AlarmNotify *an, const gchar *summary, const gchar *description,
            const gchar *location, time_t occur_start, time_t occur_end);
static void
edit_pressed_cb (GtkButton *button, gpointer user_data);

static void
snooze_pressed_cb (GtkButton *button, gpointer user_data);

static void
an_update_minutes_label (GtkSpinButton *sb, gpointer data)
{
    AlarmNotify *an;
    gchar *new_label;
    gint snooze_timeout_min;

    an = (AlarmNotify *) data;

    snooze_timeout_min  = gtk_spin_button_get_value_as_int (sb);
    new_label = g_strdup (ngettext ("minute", "minutes", snooze_timeout_min));
    gtk_label_set_text (GTK_LABEL (an->minutes_label), new_label);
    g_free (new_label);
}

static void
an_update_hrs_label (GtkSpinButton *sb, gpointer data)
{
    AlarmNotify *an;
    gchar *new_label;
    gint snooze_timeout_hrs;

    an = (AlarmNotify *) data;

    snooze_timeout_hrs  = gtk_spin_button_get_value_as_int (sb);
    new_label = g_strdup (ngettext ("hours", "hours", snooze_timeout_hrs));
    gtk_label_set_text (GTK_LABEL (an->hrs_label), new_label);
    g_free (new_label);
}

static void
dialog_response_cb (GtkDialog *dialog, guint response_id, gpointer user_data)
{
    AlarmNotify *an = user_data;
    GtkTreeIter iter;
    GtkTreeModel *model = NULL;
    AlarmFuncInfo *funcinfo = NULL;
    GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (an->treeview));

    if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
        gtk_tree_model_get (model, &iter, ALARM_FUNCINFO_COLUMN, &funcinfo, -1);
    }

    if (!funcinfo) {
        GtkTreeModel *treemodel = gtk_tree_view_get_model (GTK_TREE_VIEW (an->treeview));
        gtk_tree_model_get_iter_first (treemodel, &iter);
        gtk_tree_model_get (treemodel, &iter, ALARM_FUNCINFO_COLUMN, &funcinfo, -1);
    }
    g_return_if_fail (funcinfo);
    switch (response_id) {
    case GTK_RESPONSE_CLOSE:
    case GTK_RESPONSE_DELETE_EVENT:
        (* funcinfo->func) (ALARM_NOTIFY_CLOSE, -1, funcinfo->func_data);
        break;
    }

    return;
}

static void
edit_pressed_cb (GtkButton *button, gpointer user_data)
{
    AlarmNotify *an = user_data;
    AlarmFuncInfo *funcinfo = NULL;
    GtkTreeIter iter;
    GtkTreeModel *model = NULL;
    GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (an->treeview));

    if (gtk_tree_selection_get_selected (selection, &model, &iter))
        gtk_tree_model_get (model, &iter, ALARM_FUNCINFO_COLUMN, &funcinfo, -1);

    g_return_if_fail (funcinfo);

    (* funcinfo->func) (ALARM_NOTIFY_EDIT, -1, funcinfo->func_data);
}

#define DEFAULT_SNOOZE_MINS 5

static void
snooze_pressed_cb (GtkButton *button, gpointer user_data)
{
    gint snooze_timeout;
    AlarmNotify *an = user_data;
    GtkTreeIter iter;
    GtkTreeModel *model = NULL;
    AlarmFuncInfo *funcinfo = NULL;
    GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (an->treeview));

    gtk_widget_grab_focus ((GtkWidget *) button);

    if (gtk_tree_selection_get_selected (selection, &model, &iter))
        gtk_tree_model_get (model, &iter, ALARM_FUNCINFO_COLUMN, &funcinfo, -1);

    g_return_if_fail (funcinfo);

    snooze_timeout = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (an->snooze_time_min));
    snooze_timeout += 60 * (gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (an->snooze_time_hrs)));
    if (!snooze_timeout)
        snooze_timeout = DEFAULT_SNOOZE_MINS;
    (* funcinfo->func) (ALARM_NOTIFY_SNOOZE, snooze_timeout, funcinfo->func_data);
}

static void
dismiss_pressed_cb (GtkButton *button, gpointer user_data)
{
    AlarmNotify *an = user_data;
    GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (an->treeview));

    g_return_if_fail (model != NULL);

    if (gtk_tree_model_iter_n_children (model, NULL) <= 1) {
        gtk_dialog_response (GTK_DIALOG (an->dialog), GTK_RESPONSE_CLOSE);
    } else {
        GtkTreeIter iter;
        AlarmFuncInfo *funcinfo = NULL;
        GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (an->treeview));

        if (gtk_tree_selection_get_selected (selection, &model, &iter))
            gtk_tree_model_get (model, &iter, ALARM_FUNCINFO_COLUMN, &funcinfo, -1);

        g_return_if_fail (funcinfo);

        (* funcinfo->func) (ALARM_NOTIFY_DISMISS, -1, funcinfo->func_data);
    }
}

static void
dialog_destroyed_cb (GtkWidget *dialog, gpointer user_data)
{
    AlarmNotify *an = user_data;

    g_object_unref (an->xml);
    g_free (an);
}

/**
 * notified_alarms_dialog_new:
 *
 * Return value: a new dialog in which you can add alarm notifications
 **/
AlarmNotificationsDialog *
notified_alarms_dialog_new (void)
{
    GtkWidget *edit_btn;
    GtkWidget *snooze_btn;
    GtkWidget *image;
    GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
    AlarmNotificationsDialog *na = NULL;
    AlarmNotify *an = g_new0 (AlarmNotify, 1);
    GtkTreeViewColumn *column = NULL;
    GtkTreeSelection *selection = NULL;
    GtkTreeModel *model = GTK_TREE_MODEL (gtk_list_store_new (
            N_ALARM_COLUMNS,

            G_TYPE_STRING, /* Display */
            G_TYPE_STRING, /* Summary */
            G_TYPE_STRING, /* Description */
            G_TYPE_STRING, /* Location */

            G_TYPE_POINTER, /* Start */
            G_TYPE_POINTER, /* End */

            G_TYPE_POINTER /* FuncInfo*/));

    gchar *gladefile;

    gladefile = g_build_filename (EVOLUTION_GLADEDIR,
                      "alarm-notify.glade",
                      NULL);
    an->xml = glade_xml_new (gladefile, NULL, NULL);
    g_free (gladefile);
    if (!an->xml) {
        g_message ("alarm_notify_dialog(): Could not load the Glade XML file!");
        g_free (an);
        return NULL;
    }

    an->dialog = glade_xml_get_widget (an->xml, "alarm-notify");
    an->snooze_time_min = glade_xml_get_widget (an->xml, "snooze-time-min");
    an->minutes_label = glade_xml_get_widget (an->xml, "minutes-label");
    an->snooze_time_hrs = glade_xml_get_widget (an->xml, "snooze-time-hrs");
    an->hrs_label = glade_xml_get_widget (an->xml, "hrs-label");
    an->description = glade_xml_get_widget (an->xml, "description-label");
    an->location = glade_xml_get_widget (an->xml, "location-label");
    an->treeview = glade_xml_get_widget (an->xml, "appointments-treeview");
    an->scrolledwindow = glade_xml_get_widget (an->xml, "treeview-scrolledwindow");
    snooze_btn = glade_xml_get_widget (an->xml, "snooze-button");
    an->snooze_btn = snooze_btn;
    an->dismiss_btn = glade_xml_get_widget (an->xml, "dismiss-button");
    edit_btn = glade_xml_get_widget (an->xml, "edit-button");

    if (!(an->dialog && an->scrolledwindow && an->treeview && an->snooze_time_min && an->snooze_time_hrs
          && an->description && an->location && edit_btn && snooze_btn && an->dismiss_btn)) {
        g_message ("alarm_notify_dialog(): Could not find all widgets in Glade file!");
        g_object_unref (an->xml);
        g_free (an);
        return NULL;
    }

    e_buffer_tagger_connect (GTK_TEXT_VIEW (an->description));

    gtk_tree_view_set_model (GTK_TREE_VIEW(an->treeview), model);

    gtk_window_set_keep_above (GTK_WINDOW (an->dialog), TRUE);

    column = gtk_tree_view_column_new_with_attributes (_("Start time"),
                    renderer, "text", ALARM_DISPLAY_COLUMN, NULL);

    gtk_tree_view_column_set_attributes (column, renderer,
                                       "markup", ALARM_DISPLAY_COLUMN, NULL);

    gtk_tree_view_append_column (GTK_TREE_VIEW (an->treeview), column);

    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (an->treeview));
    gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
    g_signal_connect (G_OBJECT (selection), "changed",
        G_CALLBACK (tree_selection_changed_cb), an);

    gtk_widget_realize (an->dialog);
    gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (an->dialog)->vbox), 0);
    gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (an->dialog)->action_area), 12);
    image = glade_xml_get_widget (an->xml, "alarm-image");
    gtk_image_set_from_icon_name (
        GTK_IMAGE (image), "stock_alarm", GTK_ICON_SIZE_DIALOG);

    g_signal_connect (edit_btn, "clicked", G_CALLBACK (edit_pressed_cb), an);
    g_signal_connect (snooze_btn, "clicked", G_CALLBACK (snooze_pressed_cb), an);
    g_signal_connect (an->dismiss_btn, "clicked", G_CALLBACK (dismiss_pressed_cb), an);
    g_signal_connect (G_OBJECT (an->dialog), "response", G_CALLBACK (dialog_response_cb), an);
    g_signal_connect (G_OBJECT (an->dialog), "destroy", G_CALLBACK (dialog_destroyed_cb), an);

    if (!GTK_WIDGET_REALIZED (an->dialog))
    gtk_widget_realize (an->dialog);

    gtk_window_set_icon_name (GTK_WINDOW (an->dialog), "stock_alarm");

    /* Set callback for updating the snooze "minutes" label */
    g_signal_connect (G_OBJECT (an->snooze_time_min), "value_changed",
            G_CALLBACK (an_update_minutes_label), an);

    /* Set callback for updating the snooze "hours" label */
    g_signal_connect (G_OBJECT (an->snooze_time_hrs), "value_changed",
            G_CALLBACK (an_update_hrs_label), an);

    na = g_new0 (AlarmNotificationsDialog, 1);

    na->treeview = an->treeview;
    na->dialog = an->dialog;

    return na;
}

/**
 * add_alarm_to_notified_alarms_dialog:
 * @na: Pointer to the dialog-info
 * @trigger: Trigger time for the alarm.
 * @occur_start: Start of occurrence time for the event.
 * @occur_end: End of occurrence time for the event.
 * @vtype: Type of the component which corresponds to the alarm.
 * @summary: Short summary of the appointment
 * @description: Long description of the appointment
 * @location: Location of the appointment
 * @func: Function to be called when a dialog action is invoked.
 * @func_data: Closure data for @func.
 *
 * The specified @func will be used to notify the client about result of
 * the actions in the dialog.
 *
 * Return value: the iter in the treeview of the dialog
 **/

GtkTreeIter
add_alarm_to_notified_alarms_dialog (AlarmNotificationsDialog *na, time_t trigger,
                time_t occur_start, time_t occur_end,
                ECalComponentVType vtype, const gchar *summary,
                const gchar *description, const gchar *location,
                AlarmNotifyFunc func, gpointer func_data)
{
    GtkTreeIter iter;
    GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (na->treeview));
    AlarmFuncInfo *funcinfo = NULL;
    gchar *to_display = NULL, *start, *end, *str_time;
    icaltimezone *current_zone;

    /* Iter is not yet defined but still we return it in all the g_return_val_if_fail() calls? */
    g_return_val_if_fail (trigger != -1, iter);

    /* Only VEVENTs or VTODOs can have alarms */
    g_return_val_if_fail (vtype == E_CAL_COMPONENT_EVENT || vtype == E_CAL_COMPONENT_TODO, iter);
    g_return_val_if_fail (summary != NULL, iter);
    g_return_val_if_fail (description != NULL, iter);
    g_return_val_if_fail (location != NULL, iter);
    g_return_val_if_fail (func != NULL, iter);

    funcinfo = g_new0 (AlarmFuncInfo, 1);
    funcinfo->func = func;
    funcinfo->func_data = func_data;

    gtk_list_store_append (GTK_LIST_STORE(model), &iter);

    current_zone = config_data_get_timezone ();
    start = timet_to_str_with_zone (occur_start, current_zone);
    end = timet_to_str_with_zone (occur_end, current_zone);
    str_time = calculate_time (occur_start, occur_end);
    to_display = g_strdup_printf ("<big><b>%s</b></big>\n%s %s",
        summary, start, str_time);
    g_free (start);
    g_free (end);
    gtk_list_store_set (GTK_LIST_STORE(model), &iter,
        ALARM_DISPLAY_COLUMN, to_display, -1);
    g_free (to_display);
    g_free (str_time);

    gtk_list_store_set (GTK_LIST_STORE(model), &iter, ALARM_SUMMARY_COLUMN, summary, -1);
    gtk_list_store_set (GTK_LIST_STORE(model), &iter, ALARM_DESCRIPTION_COLUMN, description, -1);
    gtk_list_store_set (GTK_LIST_STORE(model), &iter, ALARM_LOCATION_COLUMN, location, -1);
    gtk_list_store_set (GTK_LIST_STORE(model), &iter, ALARM_START_COLUMN, occur_start, -1);
    gtk_list_store_set (GTK_LIST_STORE(model), &iter, ALARM_END_COLUMN, occur_end, -1);
    gtk_list_store_set (GTK_LIST_STORE(model), &iter, ALARM_FUNCINFO_COLUMN, funcinfo, -1);

    return iter;
}

static void
tree_selection_changed_cb (GtkTreeSelection *selection, gpointer user_data)
{
    GtkTreeModel *model;
    GtkTreeIter iter;
    AlarmNotify *an = user_data;

    if (gtk_tree_selection_get_selected (selection, &model, &iter))
    {
        gchar *summary, *description, *location;
        time_t occur_start, occur_end;

        gtk_widget_set_sensitive (an->snooze_btn, TRUE);
        gtk_tree_model_get (model, &iter, ALARM_SUMMARY_COLUMN, &summary, -1);
        gtk_tree_model_get (model, &iter, ALARM_DESCRIPTION_COLUMN, &description, -1);
        gtk_tree_model_get (model, &iter, ALARM_LOCATION_COLUMN, &location, -1);
        gtk_tree_model_get (model, &iter, ALARM_START_COLUMN, &occur_start, -1);
        gtk_tree_model_get (model, &iter, ALARM_END_COLUMN, &occur_end, -1);\
        gtk_tree_model_get (model, &iter, ALARM_FUNCINFO_COLUMN, &an->cur_funcinfo, -1);

        fill_in_labels (an, summary, description, location, occur_start, occur_end);
    } else {
        gtk_widget_set_sensitive (an->snooze_btn, FALSE);
    }
}

static void
fill_in_labels (AlarmNotify *an, const gchar *summary, const gchar *description,
        const gchar *location, time_t occur_start, time_t occur_end)
{
    GtkTextTagTable *table = gtk_text_tag_table_new ();
    GtkTextBuffer *buffer =  gtk_text_buffer_new (table);
    gtk_text_buffer_set_text (buffer, description, -1);
    gtk_text_view_set_buffer (GTK_TEXT_VIEW (an->description), buffer);
    gtk_label_set_text (GTK_LABEL (an->location), location);
    e_buffer_tagger_update_tags (GTK_TEXT_VIEW (an->description));
    g_object_unref (table);
    g_object_unref (buffer);
}