inicial

1 files changed, 434 insertions, 0 deletions

diff --git a/shell/ev-password-view.c b/shell/ev-password-view.c
new file mode 100644
index 00000000..8a1162ac
--- /dev/null
+++ b/shell/ev-password-view.c
@@ -0,0 +1,434 @@
+/* this file is part of evince, a mate document viewer
+ *
+ *  Copyright (C) 2008 Carlos Garcia Campos <[email protected]>
+ *  Copyright (C) 2005 Red Hat, Inc
+ *
+ * Evince 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.
+ *
+ * Evince 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.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <gio/gio.h>
+
+#include "ev-keyring.h"
+#include "ev-password-view.h"
+
+enum {
+	UNLOCK,
+	LAST_SIGNAL
+};
+struct _EvPasswordViewPrivate {
+	GtkWindow    *parent_window;
+	GtkWidget    *label;
+	GtkWidget    *password_entry;
+
+	gchar        *password;
+	GPasswordSave password_save;
+
+	GFile        *uri_file;
+};
+
+#define EV_PASSWORD_VIEW_GET_PRIVATE(object) \
+	(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_PASSWORD_VIEW, EvPasswordViewPrivate));
+
+static guint password_view_signals [LAST_SIGNAL] = { 0 };
+
+
+G_DEFINE_TYPE (EvPasswordView, ev_password_view, GTK_TYPE_VIEWPORT)
+
+static void
+ev_password_view_finalize (GObject *object)
+{
+	EvPasswordView *password_view = EV_PASSWORD_VIEW (object);
+
+	if (password_view->priv->password) {
+		g_free (password_view->priv->password);
+		password_view->priv->password = NULL;
+	}
+
+	password_view->priv->parent_window = NULL;
+
+	if (password_view->priv->uri_file) {
+		g_object_unref (password_view->priv->uri_file);
+		password_view->priv->uri_file = NULL;
+	}
+
+	G_OBJECT_CLASS (ev_password_view_parent_class)->finalize (object);
+}
+
+static void
+ev_password_view_class_init (EvPasswordViewClass *class)
+{
+	GObjectClass *g_object_class;
+	GtkWidgetClass *widget_class;
+
+	g_object_class = G_OBJECT_CLASS (class);
+	widget_class = GTK_WIDGET_CLASS (class);
+
+	password_view_signals[UNLOCK] =
+		g_signal_new ("unlock",
+			      G_TYPE_FROM_CLASS (g_object_class),
+			      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+			      G_STRUCT_OFFSET (EvPasswordViewClass, unlock),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__VOID,
+			      G_TYPE_NONE, 0);
+
+	g_type_class_add_private (g_object_class, sizeof (EvPasswordViewPrivate));
+
+	g_object_class->finalize = ev_password_view_finalize;
+}
+
+static void
+ev_password_view_clicked_cb (GtkWidget      *button,
+			     EvPasswordView *password_view)
+{
+	ev_password_view_ask_password (password_view);
+}
+
+static void
+ev_password_view_init (EvPasswordView *password_view)
+{
+	GtkWidget *align;
+	GtkWidget *vbox;
+	GtkWidget *hbox;
+	GtkWidget *image;
+	GtkWidget *button;
+	GtkWidget *label;
+	gchar     *markup;
+
+	password_view->priv = EV_PASSWORD_VIEW_GET_PRIVATE (password_view);
+
+	password_view->priv->password_save = G_PASSWORD_SAVE_NEVER;
+	
+	gtk_widget_push_composite_child ();
+
+	/* set ourselves up */
+	align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
+	vbox = gtk_vbox_new (FALSE, 24);
+	gtk_container_set_border_width (GTK_CONTAINER (vbox), 24);
+	gtk_container_add (GTK_CONTAINER (password_view), align);
+	gtk_container_add (GTK_CONTAINER (align), vbox);
+
+	password_view->priv->label =
+		(GtkWidget *) g_object_new (GTK_TYPE_LABEL,
+					    "wrap", TRUE,
+					    "selectable", TRUE,
+					    NULL);
+	gtk_box_pack_start (GTK_BOX (vbox), password_view->priv->label, FALSE, FALSE, 0);
+
+	image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
+					  GTK_ICON_SIZE_DIALOG);
+	gtk_box_pack_start (GTK_BOX (vbox), image, FALSE, FALSE, 0);
+
+	label = gtk_label_new (NULL);
+	gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+	markup = g_strdup_printf ("<span size=\"x-large\">%s</span>",
+				  _("This document is locked and can only be read by entering the correct password."));
+	gtk_label_set_markup (GTK_LABEL (label), markup);
+	g_free (markup);
+			      
+	gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+
+	button = gtk_button_new_with_mnemonic (_("_Unlock Document"));
+	g_signal_connect (button, "clicked", G_CALLBACK (ev_password_view_clicked_cb), password_view);
+	gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+
+	gtk_widget_show_all (align);
+	gtk_widget_pop_composite_child ();
+}
+
+/* Public functions */
+void
+ev_password_view_set_uri (EvPasswordView *password_view,
+			  const char     *uri)
+{
+	gchar *markup, *file_name;
+	GFile *file;
+
+	g_return_if_fail (EV_IS_PASSWORD_VIEW (password_view));
+	g_return_if_fail (uri != NULL);
+
+	file = g_file_new_for_uri (uri);
+	if (password_view->priv->uri_file &&
+	    g_file_equal (file, password_view->priv->uri_file)) {
+		g_object_unref (file);
+		return;
+	}
+	if (password_view->priv->uri_file)
+		g_object_unref (password_view->priv->uri_file);
+	password_view->priv->uri_file = file;
+
+	file_name = g_file_get_basename (password_view->priv->uri_file);
+	markup = g_markup_printf_escaped ("<span size=\"x-large\" weight=\"bold\">%s</span>",
+					  file_name);
+	g_free (file_name);
+
+	gtk_label_set_markup (GTK_LABEL (password_view->priv->label), markup);
+	g_free (markup);
+}
+
+static void
+ev_password_dialog_got_response (GtkDialog      *dialog,
+				 gint            response_id,
+				 EvPasswordView *password_view)
+{
+	gtk_widget_set_sensitive (GTK_WIDGET (password_view), TRUE);
+	
+	if (response_id == GTK_RESPONSE_OK) {
+		g_free (password_view->priv->password);
+		password_view->priv->password =
+			g_strdup (gtk_entry_get_text (GTK_ENTRY (password_view->priv->password_entry)));
+		
+		g_signal_emit (password_view, password_view_signals[UNLOCK], 0);
+	}
+	
+	gtk_widget_destroy (GTK_WIDGET (dialog));
+}
+
+static void
+ev_password_dialog_remember_button_toggled (GtkToggleButton *button,
+					    EvPasswordView  *password_view)
+{
+	if (gtk_toggle_button_get_active (button)) {
+		gpointer data;
+		
+		data = g_object_get_data (G_OBJECT (button), "password-save");
+		password_view->priv->password_save = GPOINTER_TO_INT (data);
+	}
+}
+
+static void
+ev_password_dialog_entry_changed_cb (GtkEditable *editable,
+				     GtkDialog   *dialog)
+{
+	const char *text;
+
+	text = gtk_entry_get_text (GTK_ENTRY (editable));
+
+	gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK,
+					   (text != NULL && *text != '\0'));
+}
+
+static void
+ev_password_dialog_entry_activated_cb (GtkEntry  *entry,
+				       GtkDialog *dialog)
+{
+	gtk_dialog_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
+}
+
+void
+ev_password_view_ask_password (EvPasswordView *password_view)
+{
+	GtkDialog *dialog;
+	GtkWidget *content_area, *action_area;
+	GtkWidget *entry_container;
+	GtkWidget *hbox, *main_vbox, *vbox, *icon;
+	GtkWidget *table;
+	GtkWidget *label;
+	gchar     *format, *markup, *file_name;
+
+	gtk_widget_set_sensitive (GTK_WIDGET (password_view), FALSE);
+	
+	dialog = GTK_DIALOG (gtk_dialog_new ());
+	content_area = gtk_dialog_get_content_area (dialog);
+	action_area = gtk_dialog_get_action_area (dialog);
+
+	/* Set the dialog up with HIG properties */
+	gtk_dialog_set_has_separator (dialog, FALSE);
+	gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+	gtk_box_set_spacing (GTK_BOX (content_area), 2); /* 2 * 5 + 2 = 12 */
+	gtk_container_set_border_width (GTK_CONTAINER (action_area), 5);
+	gtk_box_set_spacing (GTK_BOX (action_area), 6);
+
+	gtk_window_set_title (GTK_WINDOW (dialog), _("Enter password"));
+	gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+	gtk_window_set_icon_name (GTK_WINDOW (dialog), GTK_STOCK_DIALOG_AUTHENTICATION);
+	gtk_window_set_transient_for (GTK_WINDOW (dialog), password_view->priv->parent_window);
+	gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
+
+	gtk_dialog_add_buttons (dialog,
+				GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+				_("_Unlock Document"), GTK_RESPONSE_OK,
+				NULL);
+	gtk_dialog_set_default_response (dialog, GTK_RESPONSE_OK);
+	gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog),
+					   GTK_RESPONSE_OK, FALSE);
+	gtk_dialog_set_alternative_button_order (dialog,
+						 GTK_RESPONSE_OK,
+						 GTK_RESPONSE_CANCEL,
+						 -1);
+	
+	/* Build contents */
+	hbox = gtk_hbox_new (FALSE, 12);
+	gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
+	gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
+	gtk_widget_show (hbox);
+
+	icon = gtk_image_new_from_stock (GTK_STOCK_DIALOG_AUTHENTICATION,
+					 GTK_ICON_SIZE_DIALOG);
+
+	gtk_misc_set_alignment (GTK_MISC (icon), 0.5, 0.0);
+	gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
+	gtk_widget_show (icon);
+
+	main_vbox = gtk_vbox_new (FALSE, 18);
+	gtk_box_pack_start (GTK_BOX (hbox), main_vbox, TRUE, TRUE, 0);
+	gtk_widget_show (main_vbox);
+
+	label = gtk_label_new (NULL);
+	gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+	gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+	file_name = g_file_get_basename (password_view->priv->uri_file);
+	format = g_strdup_printf ("<span size=\"larger\" weight=\"bold\">%s</span>\n\n%s",
+				  _("Password required"),
+				  _("The document “%s” is locked and requires a password before it can be opened."));
+	markup = g_markup_printf_escaped (format, file_name);
+	gtk_label_set_markup (GTK_LABEL (label), markup);
+	g_free (format);
+	g_free (markup);
+	g_free (file_name);
+	gtk_box_pack_start (GTK_BOX (main_vbox), label,
+			    FALSE, FALSE, 0);
+	gtk_widget_show (label);
+
+	vbox = gtk_vbox_new (FALSE, 6);
+	gtk_box_pack_start (GTK_BOX (main_vbox), vbox, FALSE, FALSE, 0);
+	gtk_widget_show (vbox);
+
+	/* The table that holds the entries */
+	entry_container = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
+
+	gtk_alignment_set_padding (GTK_ALIGNMENT (entry_container),
+				   0, 0, 0, 0);
+	
+	gtk_box_pack_start (GTK_BOX (vbox), entry_container,
+			    FALSE, FALSE, 0);
+	gtk_widget_show (entry_container);
+
+	table = gtk_table_new (1, 2, FALSE);
+	gtk_table_set_col_spacings (GTK_TABLE (table), 12);
+	gtk_table_set_row_spacings (GTK_TABLE (table), 6);
+	gtk_container_add (GTK_CONTAINER (entry_container), table);
+	gtk_widget_show (table);
+
+	label = gtk_label_new_with_mnemonic (_("_Password:"));
+	gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+
+	password_view->priv->password_entry = gtk_entry_new ();
+	gtk_entry_set_visibility (GTK_ENTRY (password_view->priv->password_entry), FALSE);
+	g_signal_connect (password_view->priv->password_entry, "changed",
+			  G_CALLBACK (ev_password_dialog_entry_changed_cb),
+			  dialog);
+	g_signal_connect (password_view->priv->password_entry, "activate",
+			  G_CALLBACK (ev_password_dialog_entry_activated_cb),
+			  dialog);
+	gtk_table_attach (GTK_TABLE (table), label,
+			  0, 1, 0, 1,
+			  GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);	
+	gtk_widget_show (label);
+
+	gtk_table_attach_defaults (GTK_TABLE (table), password_view->priv->password_entry,
+				   1, 2, 0, 1);
+	gtk_widget_show (password_view->priv->password_entry);
+	
+	gtk_label_set_mnemonic_widget (GTK_LABEL (label),
+				       password_view->priv->password_entry);
+
+	if (ev_keyring_is_available ()) {
+		GtkWidget  *choice;
+		GtkWidget  *remember_box;
+		GSList     *group;
+
+		remember_box = gtk_vbox_new (FALSE, 6);
+		gtk_box_pack_start (GTK_BOX (vbox), remember_box,
+				    FALSE, FALSE, 0);
+		gtk_widget_show (remember_box);
+
+		choice = gtk_radio_button_new_with_mnemonic (NULL, _("Forget password _immediately"));
+		gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (choice),
+					      password_view->priv->password_save == G_PASSWORD_SAVE_NEVER);
+		g_object_set_data (G_OBJECT (choice), "password-save",
+				   GINT_TO_POINTER (G_PASSWORD_SAVE_NEVER));
+		g_signal_connect (choice, "toggled",
+				  G_CALLBACK (ev_password_dialog_remember_button_toggled),
+				  password_view);
+		gtk_box_pack_start (GTK_BOX (remember_box), choice, FALSE, FALSE, 0);
+		gtk_widget_show (choice);
+
+		group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (choice));
+		choice = gtk_radio_button_new_with_mnemonic (group, _("Remember password until you _log out"));
+		gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (choice),
+					      password_view->priv->password_save == G_PASSWORD_SAVE_FOR_SESSION);
+		g_object_set_data (G_OBJECT (choice), "password-save",
+				   GINT_TO_POINTER (G_PASSWORD_SAVE_FOR_SESSION));
+		g_signal_connect (choice, "toggled",
+				  G_CALLBACK (ev_password_dialog_remember_button_toggled),
+				  password_view);
+		gtk_box_pack_start (GTK_BOX (remember_box), choice, FALSE, FALSE, 0);
+		gtk_widget_show (choice);
+
+		group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (choice));
+		choice = gtk_radio_button_new_with_mnemonic (group, _("Remember _forever"));
+		gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (choice),
+					      password_view->priv->password_save == G_PASSWORD_SAVE_PERMANENTLY);
+		g_object_set_data (G_OBJECT (choice), "password-save",
+				   GINT_TO_POINTER (G_PASSWORD_SAVE_PERMANENTLY));
+		g_signal_connect (choice, "toggled",
+				  G_CALLBACK (ev_password_dialog_remember_button_toggled),
+				  password_view);
+		gtk_box_pack_start (GTK_BOX (remember_box), choice, FALSE, FALSE, 0);
+		gtk_widget_show (choice);
+	}
+
+	g_signal_connect (dialog, "response",
+			  G_CALLBACK (ev_password_dialog_got_response),
+			  password_view);
+	
+	gtk_widget_show (GTK_WIDGET (dialog));
+}
+
+const gchar *
+ev_password_view_get_password (EvPasswordView *password_view)
+{
+	return password_view->priv->password;
+}
+
+GPasswordSave
+ev_password_view_get_password_save_flags (EvPasswordView *password_view)
+{
+	return password_view->priv->password_save;
+}
+
+GtkWidget *
+ev_password_view_new (GtkWindow *parent)
+{
+	EvPasswordView *retval;
+
+	retval = EV_PASSWORD_VIEW (g_object_new (EV_TYPE_PASSWORD_VIEW, NULL));
+
+	retval->priv->parent_window = parent;
+
+	return GTK_WIDGET (retval);
+}
+