Added ev-print-job.c.

* POTFILES.in: Added ev-print-job.c.

* shell/ev-print-job.c (ev_print_job_finalize)
(ev_print_job_set_property, ev_print_job_get_property)
(ev_print_job_set_gnome_print_job, ev_print_job_set_document)
(ev_print_job_use_print_dialog_settings, idle_print_handler)
(print_closure_finalize, ev_print_job_print): implement
printing (for backends with EvPsExporter)

* shell/ev-window.c (ev_window_print): unref print job after
printing.

1 files changed, 243 insertions, 1 deletions

diff --git a/shell/ev-print-job.c b/shell/ev-print-job.c
index ea261c3..0c66b81 100644
--- a/shell/ev-print-job.c
+++ b/shell/ev-print-job.c
@@ -20,9 +20,19 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include <config.h>
+
+#include <unistd.h>
+
 #include <glib.h>
+#include <glib/gi18n.h>
 #include <glib-object.h>
 
+/* for gnome_print_job_set_file */
+#define GNOME_PRINT_UNSTABLE_API
+#include <libgnomeprint/gnome-print-job.h>
+
+#include "ev-ps-exporter.h"
 #include "ev-print-job.h"
 
 #define EV_PRINT_JOB_CLASS(klass)	(G_TYPE_CHECK_CLASS_CAST((klass), EV_PRINT_JOB, EvPrintJobClass))
@@ -31,21 +41,135 @@
 
 struct _EvPrintJob {
 	GObject parent_instance;
+
+	EvDocument *document;
+	GnomePrintJob *gnome_print_job;
+	double width; /* FIXME unused */
+	double height; /* FIXME unused */
+	gboolean duplex; /* FIXME unused */
+	int copies; /* FIXME unused */
+	int collate; /* FIXME unsued */
+
+	int fd;
+	char *temp_file;
+	guint idle_id;
+	gboolean printing;
+	int next_page;
 };
 
 struct _EvPrintJobClass {
 	GObjectClass parent_class;
 };
 
+enum {
+	PROP_0,
+	PROP_GNOME_PRINT_JOB,
+	PROP_DOCUMENT,
+	PROP_PRINT_DIALOG
+};
 
 G_DEFINE_TYPE (EvPrintJob, ev_print_job, G_TYPE_OBJECT);
 
 static void
+ev_print_job_finalize (GObject *object)
+{
+	EvPrintJob *job = EV_PRINT_JOB (object);
+
+	if (job && job->document) {
+		g_object_unref (job->document);
+		job->document = NULL;
+	}
+
+	if (job && job->gnome_print_job) {
+		g_object_unref (job->gnome_print_job);
+		job->gnome_print_job = NULL;
+	}
+
+	G_OBJECT_CLASS (ev_print_job_parent_class)->finalize (object);
+}
+
+static void
+ev_print_job_set_property (GObject *object, guint prop_id,
+			   const GValue *value, GParamSpec *pspec)
+{
+	EvPrintJob *job;
+
+	job = EV_PRINT_JOB (object);
+
+	switch (prop_id) {
+	case PROP_GNOME_PRINT_JOB:
+		ev_print_job_set_gnome_print_job (
+			job, GNOME_PRINT_JOB (g_value_get_object (value)));
+		break;
+	case PROP_DOCUMENT:
+		ev_print_job_set_document (job, EV_DOCUMENT (g_value_get_object (value)));
+		break;
+	case PROP_PRINT_DIALOG:
+		ev_print_job_use_print_dialog_settings (
+			job, GNOME_PRINT_DIALOG (g_value_get_object (value)));
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+
+}
+
+static void
+ev_print_job_get_property (GObject *object, guint prop_id,
+			   GValue *value, GParamSpec *pspec)
+{
+	EvPrintJob *job;
+
+	job = EV_PRINT_JOB (object);
+
+	switch (prop_id) {
+	case PROP_GNOME_PRINT_JOB:
+		g_value_set_object (value, job->gnome_print_job);
+		break;
+	case PROP_DOCUMENT:
+		g_value_set_object (value, job->document);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+
+static void
 ev_print_job_class_init (EvPrintJobClass *ev_print_job_class)
 {
 	GObjectClass *g_object_class;
 
 	g_object_class = G_OBJECT_CLASS (ev_print_job_class);
+
+	g_object_class->finalize = ev_print_job_finalize;
+	g_object_class->set_property = ev_print_job_set_property;
+	g_object_class->get_property = ev_print_job_get_property;
+
+	g_object_class_install_property (g_object_class,
+					 PROP_GNOME_PRINT_JOB,
+					 g_param_spec_object ("gnome_print_job",
+							      "GnomePrintJob",
+							      "GnomePrintJob",
+							      GNOME_TYPE_PRINT_JOB,
+							      G_PARAM_READWRITE));
+	g_object_class_install_property (g_object_class,
+					 PROP_DOCUMENT,
+					 g_param_spec_object ("document",
+							      "Document object",
+							      "Document from which to print",
+							      G_TYPE_OBJECT, /* EV_TYPE_DOCUMENT, */
+							      G_PARAM_READWRITE));
+	g_object_class_install_property (g_object_class,
+					 PROP_PRINT_DIALOG,
+					 g_param_spec_object ("print_dialog",
+							      "GnomePrintDialog",
+							      "GnomePrintDialog with user settings",
+							      GNOME_TYPE_PRINT_DIALOG,
+							      G_PARAM_WRITABLE));
+
 }
 
 static void
@@ -54,9 +178,127 @@ ev_print_job_init (EvPrintJob *ev_print_job)
 }
 
 void
+ev_print_job_set_gnome_print_job (EvPrintJob *job, GnomePrintJob *gpj)
+{
+	g_return_if_fail (EV_IS_PRINT_JOB (job));
+
+	if (job->gnome_print_job == gpj)
+		return;
+
+	if (job->gnome_print_job)
+		g_object_unref (job->gnome_print_job);
+	
+	if (gpj)
+		g_object_ref (gpj);
+
+	job->gnome_print_job = gpj;
+}
+
+void
+ev_print_job_set_document (EvPrintJob *job, EvDocument *document)
+{
+	g_return_if_fail (EV_IS_PRINT_JOB (job));
+
+	if (job->document == document)
+		return;
+
+	if (job->document)
+		g_object_ref (job->document);
+
+	if (document)
+		g_object_ref (document);
+	
+	job->document = document;
+}
+
+void
+ev_print_job_use_print_dialog_settings (EvPrintJob *job, GnomePrintDialog *dialog)
+{
+	GnomePrintConfig *print_config;
+
+	g_return_if_fail (EV_IS_PRINT_JOB (job));
+	g_return_if_fail (GNOME_IS_PRINT_DIALOG (dialog));
+
+	print_config = gnome_print_dialog_get_config (dialog);
+	gnome_print_dialog_get_copies (dialog, &job->copies, &job->collate);
+	gnome_print_config_get_page_size (print_config,
+					  &job->width, &job->height);
+	gnome_print_config_get_boolean (print_config,
+					GNOME_PRINT_KEY_DUPLEX, &job->duplex);
+	gnome_print_config_unref (print_config);
+}
+
+static gboolean
+idle_print_handler (EvPrintJob *job)
+{
+	if (!job->printing) {
+		ev_ps_exporter_begin (EV_PS_EXPORTER (job->document),
+				      job->temp_file);
+		job->next_page = 1; /* FIXME use 0-based page numbering? */
+		job->printing = TRUE;
+		return TRUE;
+	}
+
+	if (job->next_page <= ev_document_get_n_pages (job->document)) {
+#if 0
+		g_printerr ("Printing page %d\n", job->next_page);
+#endif
+		ev_ps_exporter_do_page (EV_PS_EXPORTER (job->document),
+					job->next_page);
+		job->next_page++;
+		return TRUE;
+	} else { /* no more pages */
+		ev_ps_exporter_end (EV_PS_EXPORTER (job->document));
+
+		close (job->fd);
+		job->fd = 0;
+
+		gnome_print_job_print (job->gnome_print_job);
+
+		unlink (job->temp_file);
+		g_free (job->temp_file);
+
+		g_object_unref (job->gnome_print_job);
+		job->gnome_print_job = NULL;
+
+		job->printing = FALSE;
+		job->idle_id = 0;
+		return FALSE;
+	}
+}
+
+static void
+print_closure_finalize (EvPrintJob *job, GClosure *closure)
+{
+	g_object_unref (job);
+}
+
+void
 ev_print_job_print (EvPrintJob *job, GtkWindow *parent)
 {
+	GClosure *closure;
+	GSource *idle_source;
+
 	g_return_if_fail (EV_IS_PRINT_JOB (job));
-	/* FIXME */
+	g_return_if_fail (job->document != NULL);
+	g_return_if_fail (EV_IS_PS_EXPORTER (job->document));
+#if 0
 	g_printerr ("Printing...\n");
+#endif
+
+	job->fd = g_file_open_tmp ("evince_print.ps.XXXXXX", &job->temp_file, NULL);
+	if (job->fd <= -1)
+		return; /* FIXME use GError */
+
+	gnome_print_job_set_file (job->gnome_print_job, job->temp_file);
+
+	g_object_ref (job);
+	closure = g_cclosure_new (G_CALLBACK (idle_print_handler), job, NULL);
+	g_closure_add_finalize_notifier (
+		closure, job, (GClosureNotify)print_closure_finalize);
+
+	idle_source = g_idle_source_new ();
+	g_source_set_closure (idle_source, closure);
+	job->idle_id = g_source_attach (idle_source, NULL);
+	g_source_unref (idle_source);
 }