path: root/src/ephy-fullscreen-popup.c

/* 
 *  Copyright © 2000-2004 Marco Pesenti Gritti
 *  Copyright © 2003-2005 Christian Persch
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 *  $Id$
 */

#include "config.h"

#include "ephy-fullscreen-popup.h"
#include "ephy-spinner.h"
#include "ephy-debug.h"

#include <glib/gi18n.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkimage.h>
#include <gtk/gtkeventbox.h>
#include <gtk/gtkenums.h>
#include <gtk/gtkbox.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkbutton.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkframe.h>
#include <string.h>

#define EPHY_FULLSCREEN_POPUP_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_FULLSCREEN_POPUP, EphyFullscreenPopupPrivate))

struct _EphyFullscreenPopupPrivate
{
    EphyWindow *window;
    GtkWidget *frame;
    EphySpinner *spinner;
    GtkWidget *lock;
    GtkWidget *lock_ebox;
    GtkWidget *button;
    guint show_button : 1;
    guint spinning : 1;
    guint show_lock : 1;
};

enum
{
    PROP_0,
    PROP_WINDOW,
};

enum
{
    EXIT_CLICKED,
    LOCK_CLICKED,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

static GObjectClass *parent_class = NULL;

static void
exit_button_clicked_cb (GtkWidget *button,
            EphyFullscreenPopup *popup)
{
    g_signal_emit (popup, signals[EXIT_CLICKED], 0);
}

static gboolean
lock_button_press_cb (GtkWidget *ebox,
              GdkEventButton *event,
              EphyFullscreenPopup *popup)
{
    if (event->type == GDK_BUTTON_PRESS && event->button == 1)
    {
        g_signal_emit (popup, signals[LOCK_CLICKED], 0);

        return TRUE;
    }

    return FALSE;
}

static void
ephy_fullscreen_popup_update_visibility (EphyFullscreenPopup *popup)
{
    EphyFullscreenPopupPrivate *priv = popup->priv;
    gboolean show_frame;

    show_frame = priv->spinning || priv->show_lock;

    g_object_set (priv->button, "visible", priv->show_button,
                    "sensitive", priv->show_button, NULL);
    g_object_set (priv->frame, "visible", show_frame, NULL);
    g_object_set (priv->spinner, "visible", priv->spinning, NULL);
    g_object_set (priv->lock_ebox, "visible", priv->show_lock, NULL);
}

static void
ephy_fullscreen_popup_update_spinner (EphyFullscreenPopup *popup)
{
    EphyFullscreenPopupPrivate *priv = popup->priv;

    if (priv->spinning && GTK_WIDGET_VISIBLE (popup))
    {
        ephy_spinner_start (priv->spinner);
    }
    else
    {
        ephy_spinner_stop (priv->spinner);
    }
}

static void
ephy_fullscreen_popup_update_position (EphyFullscreenPopup *popup)
{
    GtkWidget *widget = GTK_WIDGET (popup);
    GdkScreen *screen;
    GdkRectangle screen_rect;
    int popup_width;

    popup_width = widget->requisition.width;

    screen = gtk_widget_get_screen (widget);
    gdk_screen_get_monitor_geometry
        (screen,
         gdk_screen_get_monitor_at_window (screen, widget->window),
         &screen_rect);

    if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
    {
        gtk_window_move (GTK_WINDOW (widget),
                 screen_rect.x, screen_rect.y);
    }
    else
    {
        gtk_window_move (GTK_WINDOW (widget),
                 screen_rect.x + screen_rect.width - popup_width,
                 screen_rect.y);
    }
}

static void
ephy_fullscreen_popup_set_window (EphyFullscreenPopup *popup,
                  EphyWindow *window)
{
    EphyFullscreenPopupPrivate *priv = popup->priv;
    GdkScreen *screen;

    priv->window = window;

    /* FIXME multihead: screen change? */
    screen = gtk_widget_get_screen (GTK_WIDGET (priv->window));
    g_signal_connect_swapped (screen, "size-changed",
                  G_CALLBACK (ephy_fullscreen_popup_update_position), popup);
}

/* public functions */

void
ephy_fullscreen_popup_set_show_leave (EphyFullscreenPopup *popup,
                      gboolean show_button)
{
    EphyFullscreenPopupPrivate *priv = popup->priv;

    priv->show_button = show_button;
    ephy_fullscreen_popup_update_visibility (popup);
}

void
ephy_fullscreen_popup_set_spinning (EphyFullscreenPopup *popup,
                    gboolean spinning)
{
    EphyFullscreenPopupPrivate *priv = popup->priv;

    priv->spinning = spinning;
    ephy_fullscreen_popup_update_visibility (popup);
    ephy_fullscreen_popup_update_spinner (popup);
}

void
ephy_fullscreen_popup_set_security_state (EphyFullscreenPopup *popup,
                      gboolean show_lock,
                      const char *stock,
                      const char *tooltip)
{
    EphyFullscreenPopupPrivate *priv = popup->priv;

    priv->show_lock = show_lock != FALSE;
    gtk_image_set_from_stock (GTK_IMAGE (priv->lock), stock, GTK_ICON_SIZE_BUTTON);
    gtk_widget_set_tooltip_text (priv->lock, tooltip);

    ephy_fullscreen_popup_update_visibility (popup);
}

/* Class implementation */

static void
ephy_fullscreen_popup_init (EphyFullscreenPopup *popup)
{
    EphyFullscreenPopupPrivate *priv;

    priv = popup->priv = EPHY_FULLSCREEN_POPUP_GET_PRIVATE (popup);

    priv->show_button = TRUE;
}

static GObject *
ephy_fullscreen_popup_constructor (GType type,
                   guint n_construct_properties,
                   GObjectConstructParam *construct_params)

{
    GObject *object;
    EphyFullscreenPopup *popup;
    EphyFullscreenPopupPrivate *priv;
    GtkWindow *window;
    GtkWidget *hbox, *frame_hbox, *icon;

    object = parent_class->constructor (type, n_construct_properties,
                        construct_params);

    window = GTK_WINDOW (object);
    popup = EPHY_FULLSCREEN_POPUP (window);
    priv = popup->priv;

    gtk_window_set_resizable (window, FALSE);

    hbox = gtk_hbox_new (FALSE, 2);
    gtk_container_add (GTK_CONTAINER (window), hbox);
    gtk_widget_show (hbox);

    /* frame */
    priv->frame = gtk_frame_new (NULL);
    gtk_frame_set_shadow_type (GTK_FRAME (priv->frame), GTK_SHADOW_OUT);
    gtk_box_pack_start (GTK_BOX (hbox), priv->frame, FALSE, FALSE, 0);

    frame_hbox = gtk_hbox_new (FALSE, 2);
    gtk_container_add (GTK_CONTAINER (priv->frame), frame_hbox);
    gtk_widget_show (frame_hbox);

    /* add spinner */
    priv->spinner = EPHY_SPINNER (ephy_spinner_new ());
    ephy_spinner_set_size (EPHY_SPINNER (priv->spinner), GTK_ICON_SIZE_BUTTON);
    gtk_box_pack_start (GTK_BOX (frame_hbox), GTK_WIDGET (priv->spinner), FALSE, FALSE, 0);

    /* lock */
    priv->lock = gtk_image_new ();
    gtk_widget_show (priv->lock);

    priv->lock_ebox = gtk_event_box_new ();
    gtk_event_box_set_visible_window (GTK_EVENT_BOX (priv->lock_ebox), FALSE);
    gtk_widget_add_events (priv->lock_ebox, GDK_BUTTON_PRESS_MASK);
    g_signal_connect (priv->lock_ebox, "button-press-event",
              G_CALLBACK (lock_button_press_cb), popup);
    gtk_container_add (GTK_CONTAINER (priv->lock_ebox), priv->lock);
    gtk_box_pack_start (GTK_BOX (frame_hbox), priv->lock_ebox, FALSE, FALSE, 0);
    gtk_widget_show (priv->lock_ebox);

    /* exit button */
    priv->button = gtk_button_new_with_label (_("Leave Fullscreen"));
    icon = gtk_image_new_from_stock (GTK_STOCK_LEAVE_FULLSCREEN, GTK_ICON_SIZE_BUTTON);
    gtk_button_set_image (GTK_BUTTON (priv->button), icon);
    /* don't show the image! see bug #307818 */
    g_signal_connect (priv->button, "clicked",
              G_CALLBACK (exit_button_clicked_cb), popup);
    gtk_box_pack_start (GTK_BOX (hbox), priv->button, FALSE, FALSE, 0);
    gtk_widget_show (priv->button);

    ephy_fullscreen_popup_update_visibility (popup);

    return object;
}

static void
ephy_fullscreen_popup_finalize (GObject *object)
{
    EphyFullscreenPopup *popup = EPHY_FULLSCREEN_POPUP (object);
    EphyFullscreenPopupPrivate *priv = popup->priv;
    GdkScreen *screen;

    screen = gtk_widget_get_screen (GTK_WIDGET (priv->window));
    g_signal_handlers_disconnect_matched (screen, G_SIGNAL_MATCH_DATA,
                          0, 0, NULL, NULL, popup);

    g_signal_handlers_disconnect_matched (priv->window, G_SIGNAL_MATCH_DATA,
                          0, 0, NULL, NULL, popup);

    parent_class->finalize (object);
}

static void
ephy_fullscreen_popup_get_property (GObject *object,
                  guint prop_id,
                  GValue *value,
                  GParamSpec *pspec)
{
    /* no readable properties */
    g_assert_not_reached ();
}

static void
ephy_fullscreen_popup_set_property (GObject *object,
                  guint prop_id,
                  const GValue *value,
                  GParamSpec *pspec)
{
    EphyFullscreenPopup *popup = EPHY_FULLSCREEN_POPUP (object);

    switch (prop_id)
    {
        case PROP_WINDOW:
            ephy_fullscreen_popup_set_window (popup, g_value_get_object (value));
            break;
    }
}

static void
ephy_fullscreen_popup_show (GtkWidget *widget)
{
    EphyFullscreenPopup *popup = EPHY_FULLSCREEN_POPUP (widget);

    GTK_WIDGET_CLASS (parent_class)->show (widget);

    ephy_fullscreen_popup_update_spinner (popup);
}

static void
ephy_fullscreen_popup_hide (GtkWidget *widget)
{
    EphyFullscreenPopup *popup = EPHY_FULLSCREEN_POPUP (widget);

    GTK_WIDGET_CLASS (parent_class)->hide (widget);

    ephy_fullscreen_popup_update_spinner (popup);
}

static void
ephy_fullscreen_popup_size_request (GtkWidget *widget,
                    GtkRequisition *requisition)
{
    EphyFullscreenPopup *popup = EPHY_FULLSCREEN_POPUP (widget);

    GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition);

    if (GTK_WIDGET_REALIZED (widget))
    {
        ephy_fullscreen_popup_update_position (popup);
    }
}

static void
ephy_fullscreen_popup_realize (GtkWidget *widget)
{
    EphyFullscreenPopup *popup = EPHY_FULLSCREEN_POPUP (widget);

    GTK_WIDGET_CLASS (parent_class)->realize (widget);

    ephy_fullscreen_popup_update_position (popup);
}

static void
ephy_fullscreen_popup_class_init (EphyFullscreenPopupClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);

    object_class->constructor = ephy_fullscreen_popup_constructor;
    object_class->finalize = ephy_fullscreen_popup_finalize;
    object_class->get_property = ephy_fullscreen_popup_get_property;
    object_class->set_property = ephy_fullscreen_popup_set_property;

    widget_class->show = ephy_fullscreen_popup_show;
    widget_class->hide = ephy_fullscreen_popup_hide;
    widget_class->size_request = ephy_fullscreen_popup_size_request;
    widget_class->realize = ephy_fullscreen_popup_realize;

    signals[EXIT_CLICKED] =
        g_signal_new
            ("exit-clicked",
             EPHY_TYPE_FULLSCREEN_POPUP,
             G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST,
             G_STRUCT_OFFSET (EphyFullscreenPopupClass, exit_clicked),
             NULL, NULL,
             g_cclosure_marshal_VOID__VOID,
             G_TYPE_NONE,
             0);
    signals[LOCK_CLICKED] =
        g_signal_new
            ("lock-clicked",
             EPHY_TYPE_FULLSCREEN_POPUP,
             G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST,
             G_STRUCT_OFFSET (EphyFullscreenPopupClass, lock_clicked),
             NULL, NULL,
             g_cclosure_marshal_VOID__VOID,
             G_TYPE_NONE,
             0);

    g_object_class_install_property (object_class,
                     PROP_WINDOW,
                     g_param_spec_object ("window",
                                  "Window",
                                  "Parent window",
                                  EPHY_TYPE_WINDOW,
                                  G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB |
                                  G_PARAM_CONSTRUCT_ONLY));

    g_type_class_add_private (object_class, sizeof (EphyFullscreenPopupPrivate));
}

GType
ephy_fullscreen_popup_get_type (void)
{
    static GType type = 0;

    if (G_UNLIKELY (type == 0))
    {
        const GTypeInfo our_info =
        {
            sizeof (EphyFullscreenPopupClass),
            NULL,
            NULL,
            (GClassInitFunc) ephy_fullscreen_popup_class_init,
            NULL,
            NULL,
            sizeof (EphyFullscreenPopup),
            0,
            (GInstanceInitFunc) ephy_fullscreen_popup_init
        };

        type = g_type_register_static (GTK_TYPE_WINDOW,
                           "EphyFullscreenPopup",
                           &our_info, 0);
    }

    return type;
}

GtkWidget *
ephy_fullscreen_popup_new (EphyWindow *window)
{
    return g_object_new (EPHY_TYPE_FULLSCREEN_POPUP,
                 "type", GTK_WINDOW_POPUP,
                 "window", window,
                 NULL);
}