Add evince-previewer as a separate applicaton that implements the preview

2009-04-08  Carlos Garcia Campos  <carlosgc@gnome.org>

	* configure.ac:
	* Makefile.am:
	* data/Makefile.am:
	* previewer/Makefile.am:
	* previewer/ev-previewer-window.[ch]:
	* previewer/ev-previewer.c:

	Add evince-previewer as a separate applicaton that implements the
	preview mode.

svn path=/trunk/; revision=3578

1 files changed, 167 insertions, 0 deletions

diff --git a/previewer/ev-previewer.c b/previewer/ev-previewer.c
new file mode 100644
index 0000000..e66a043
--- /dev/null
+++ b/previewer/ev-previewer.c
@@ -0,0 +1,167 @@
+/* ev-previewer.c: 
+ *  this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <config.h>
+
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+#include <evince-document.h>
+#include <evince-view.h>
+#include "ev-stock-icons.h"
+
+#include "ev-previewer-window.h"
+
+static gboolean      unlink_temp_file = FALSE;
+static const gchar  *print_settings;
+static const gchar **filenames;
+
+static const GOptionEntry goption_options[] = {
+	{ "unlink-tempfile", 'u', 0, G_OPTION_ARG_NONE, &unlink_temp_file, N_("Delete the temporary file"), NULL },
+	{ "print-settings", 'p', 0, G_OPTION_ARG_FILENAME, &print_settings, N_("Print settings file"), N_("FILE") },
+	{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, N_("FILE") },
+	{ NULL }
+};
+
+static void
+ev_previewer_unlink_tempfile (const gchar *filename)
+{
+	GFile *file, *tempdir;
+	
+	if (!unlink_temp_file)
+		return;
+
+	file = g_file_new_for_path (filename);
+	tempdir = g_file_new_for_path (g_get_tmp_dir ());
+
+	if (g_file_has_prefix (file, tempdir)) {
+		g_file_delete (file, NULL, NULL);
+	}
+
+	g_object_unref (file);
+	g_object_unref (tempdir);
+}
+
+static void
+ev_previewer_load_job_finished (EvJob             *job,
+				EvPreviewerWindow *window)
+{
+	if (ev_job_is_failed (job)) {
+		g_warning ("%s", job->error->message);
+		g_object_unref (job);
+
+		return;
+	}
+
+	ev_previewer_window_set_document (window, job->document);
+	g_object_unref (job);
+}
+
+static void
+ev_previewer_load_document (const gchar       *filename,
+			    EvPreviewerWindow *window)
+{
+	EvJob *job;
+	gchar *uri;
+
+	uri = g_filename_to_uri (filename, NULL, NULL);
+	job = ev_job_load_new (uri);
+	g_signal_connect (job, "finished",
+			  G_CALLBACK (ev_previewer_load_job_finished),
+			  window);
+	ev_job_scheduler_push_job (job, EV_JOB_PRIORITY_NONE);
+	g_free (uri);
+}
+
+gint
+main (gint argc, gchar **argv)
+{
+	GtkWidget      *window;
+	GOptionContext *context;
+	const gchar    *filename;
+	GError         *error = NULL;
+
+	/* Init glib threads asap */
+	if (!g_thread_supported ())
+		g_thread_init (NULL);
+
+#ifdef ENABLE_NLS
+	/* Initialize the i18n stuff */
+	bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
+	bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+	textdomain (GETTEXT_PACKAGE);
+#endif
+	
+	context = g_option_context_new (_("GNOME Document Previewer"));
+	g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
+	g_option_context_add_main_entries (context, goption_options, GETTEXT_PACKAGE);
+
+	g_option_context_add_group (context, gtk_get_option_group (TRUE));
+	
+	if (!g_option_context_parse (context, &argc, &argv, &error)) {
+		g_warning ("Error parsing command line arguments: %s", error->message);
+		g_error_free (error);
+		g_option_context_free (context);
+
+		return 1;
+	}
+	g_option_context_free (context);
+
+	if (!filenames) {
+		g_warning ("File argument is required");
+		
+		return 1;
+	}
+
+	filename = filenames[0];
+	
+	if (!g_file_test (filename, G_FILE_TEST_IS_REGULAR)) {
+		g_warning ("Filename \"%s\" does not exist or is not a regular file", filename);
+
+		return 1;
+	}
+
+	if (!ev_init ())
+		return 1;
+
+	ev_stock_icons_init ();
+
+	g_set_application_name (_("GNOME Document Previewer"));
+	gtk_window_set_default_icon_name ("evince");
+
+	window = ev_previewer_window_new ();
+	ev_previewer_window_set_source_file (EV_PREVIEWER_WINDOW (window), filename);
+	ev_previewer_window_set_print_settings (EV_PREVIEWER_WINDOW (window), print_settings);
+	g_signal_connect (window, "delete-event",
+			  G_CALLBACK (gtk_main_quit), NULL);
+	g_signal_connect (window, "destroy",
+			  G_CALLBACK (gtk_main_quit), NULL);
+	gtk_widget_show (window);
+
+	ev_previewer_load_document (filename, EV_PREVIEWER_WINDOW (window));
+	
+	gtk_main ();
+
+	ev_previewer_unlink_tempfile (filename);
+
+	ev_shutdown ();
+	ev_stock_icons_shutdown ();
+	
+	return 0;
+}