[evince/wip/chpe/export-print-portal: 8/8] libview: Add Portal implementation of EvPrintOperationExport
- From: Germán Poo-Caamaño <gpoo src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evince/wip/chpe/export-print-portal: 8/8] libview: Add Portal implementation of EvPrintOperationExport
- Date: Wed, 12 Jan 2022 02:05:57 +0000 (UTC)
commit 117e36e6ae2bbaa4ea39d521fef99f032fe585a9
Author: Christian Persch <chpe src gnome org>
Date: Tue Jan 11 18:25:31 2022 +0100
libview: Add Portal implementation of EvPrintOperationExport
Add EvPrintOperationExportPortal that uses the Print portal.
libview/ev-print-operation.c | 884 ++++++++++++++++++++++++++++++++++++-------
meson.build | 11 +-
2 files changed, 765 insertions(+), 130 deletions(-)
---
diff --git a/libview/ev-print-operation.c b/libview/ev-print-operation.c
index 8d8571d69..2a92e7fee 100644
--- a/libview/ev-print-operation.c
+++ b/libview/ev-print-operation.c
@@ -1,6 +1,8 @@
/* this file is part of evince, a gnome document viewer
*
- * Copyright (C) 2008 Carlos Garcia Campos <carlosgc gnome org>
+ * Copyright © 2008 Carlos Garcia Campos <carlosgc gnome org>
+ * Copyright © 2016, Red Hat, Inc.
+ * Copyright © 2018, 2021 Christian Persch
*
* Evince is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
@@ -28,6 +30,10 @@
#include "ev-jobs.h"
#include "ev-job-scheduler.h"
+#if GTK_CHECK_VERSION (3, 22, 0) && defined (G_OS_UNIX)
+#define PORTAL_ENABLED
+#endif
+
enum {
PROP_0,
PROP_DOCUMENT
@@ -967,8 +973,6 @@ export_print_page (EvPrintOperationExport *export)
ev_file_exporter_end (EV_FILE_EXPORTER (op->document));
ev_document_doc_mutex_unlock ();
- close (export->fd);
- export->fd = -1;
update_progress (export);
export_print_done (export);
@@ -994,9 +998,6 @@ export_print_page (EvPrintOperationExport *export)
ev_file_exporter_end (EV_FILE_EXPORTER (op->document));
ev_document_doc_mutex_unlock ();
- close (export->fd);
- export->fd = -1;
-
update_progress (export);
export_print_done (export);
@@ -1128,6 +1129,141 @@ ev_print_operation_export_get_embed_page_setup (EvPrintOperation *op)
return export->embed_page_setup;
}
+static gboolean
+ev_print_operation_export_mkstemp (EvPrintOperationExport *export,
+ EvFileExporterFormat format)
+{
+ char *filename;
+ GError *err = NULL;
+
+ filename = g_strdup_printf ("evince_print.%s.XXXXXX", format == EV_FILE_FORMAT_PDF ? "pdf" : "ps");
+ export->fd = g_file_open_tmp (filename, &export->temp_file, &err);
+ g_free (filename);
+ if (export->fd == -1) {
+ g_set_error_literal (&export->error,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ err->message);
+ g_error_free (err);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+ev_print_operation_export_update_ranges (EvPrintOperationExport *export)
+{
+ GtkPrintPages print_pages;
+
+ export->page_set = gtk_print_settings_get_page_set (export->print_settings);
+ print_pages = gtk_print_settings_get_print_pages (export->print_settings);
+
+ switch (print_pages) {
+ case GTK_PRINT_PAGES_CURRENT: {
+ export->ranges = &export->one_range;
+
+ export->ranges[0].start = export->current_page;
+ export->ranges[0].end = export->current_page;
+ export->n_ranges = 1;
+
+ break;
+ }
+ case GTK_PRINT_PAGES_RANGES: {
+ gint i;
+
+ export->ranges = gtk_print_settings_get_page_ranges (export->print_settings,
+ &export->n_ranges);
+ for (i = 0; i < export->n_ranges; i++)
+ if (export->ranges[i].end == -1 || export->ranges[i].end >= export->n_pages)
+ export->ranges[i].end = export->n_pages - 1;
+
+ break;
+ }
+ default:
+ g_warning ("Unsupported print pages setting\n");
+ /* fallthrough */
+ case GTK_PRINT_PAGES_ALL: {
+ export->ranges = &export->one_range;
+
+ export->ranges[0].start = 0;
+ export->ranges[0].end = export->n_pages - 1;
+ export->n_ranges = 1;
+
+ break;
+ }
+ }
+
+ /* Return %TRUE iff there are any pages in the range(s) */
+ return (export->n_ranges >= 1 && clamp_ranges (export));
+}
+
+static void
+ev_print_operation_export_prepare (EvPrintOperationExport *export,
+ EvFileExporterFormat format)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+ gdouble scale;
+ gdouble width;
+ gdouble height;
+ gint first_page;
+ gint last_page;
+
+ ev_print_operation_update_status (op, -1, -1, 0.0);
+
+ width = gtk_page_setup_get_paper_width (export->page_setup, GTK_UNIT_POINTS);
+ height = gtk_page_setup_get_paper_height (export->page_setup, GTK_UNIT_POINTS);
+ scale = gtk_print_settings_get_scale (export->print_settings) * 0.01;
+ if (scale != 1.0) {
+ width *= scale;
+ height *= scale;
+ }
+
+ export->pages_per_sheet = MAX (1, gtk_print_settings_get_number_up (export->print_settings));
+
+ export->copies = gtk_print_settings_get_n_copies (export->print_settings);
+ export->collate = gtk_print_settings_get_collate (export->print_settings);
+ export->reverse = gtk_print_settings_get_reverse (export->print_settings);
+
+ if (export->collate) {
+ export->uncollated_copies = export->copies;
+ export->collated_copies = 1;
+ } else {
+ export->uncollated_copies = 1;
+ export->collated_copies = export->copies;
+ }
+
+ if (export->reverse) {
+ export->range = export->n_ranges - 1;
+ export->inc = -1;
+ } else {
+ export->range = 0;
+ export->inc = 1;
+ }
+ find_range (export);
+
+ export->page = export->start - export->inc;
+ export->collated = export->collated_copies - 1;
+
+ get_first_and_last_page (export, &first_page, &last_page);
+
+ export->fc.format = format;
+ export->fc.filename = export->temp_file;
+ export->fc.first_page = MIN (first_page, last_page);
+ export->fc.last_page = MAX (first_page, last_page);
+ export->fc.paper_width = width;
+ export->fc.paper_height = height;
+ export->fc.duplex = FALSE;
+ export->fc.pages_per_sheet = export->pages_per_sheet;
+
+ if (ev_print_queue_is_empty (op->document))
+ ev_print_operation_export_begin (export);
+
+ ev_print_queue_push (op);
+
+ g_signal_emit (op, signals[BEGIN_PRINT], 0);
+}
+
static void
ev_print_operation_export_finalize (GObject *object)
{
@@ -1232,11 +1368,583 @@ ev_print_operation_export_class_init (EvPrintOperationExportClass *klass)
g_object_class->finalize = ev_print_operation_export_finalize;
}
+#ifdef PORTAL_ENABLED
+
+/* Export with Portal */
+/* Some code copied from gtk+/gtk/gtkprintoperation-portal.c */
+
+#include "ev-portal.h"
+
+#include <gio/gunixfdlist.h>
+
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+#ifdef GDK_WINDOWING_WAYLAND
+#include <gdk/gdkwayland.h>
+#endif
+
+#define EV_TYPE_PRINT_OPERATION_EXPORT_PORTAL (ev_print_operation_export_portal_get_type())
+#define EV_PRINT_OPERATION_EXPORT_PORTAL(object) (G_TYPE_CHECK_INSTANCE_CAST((object),
EV_TYPE_PRINT_OPERATION_EXPORT_PORTAL, EvPrintOperationExportPortal))
+#define EV_PRINT_OPERATION_EXPORT_PORTAL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),
EV_TYPE_PRINT_OPERATION_EXPORT_PORTAL, EvPrintOperationExportPortalClass))
+#define EV_IS_PRINT_OPERATION_EXPORT_PORTAL(object) (G_TYPE_CHECK_INSTANCE_TYPE((object),
EV_TYPE_PRINT_OPERATION_EXPORT_PORTAL))
+#define EV_IS_PRINT_OPERATION_EXPORT_PORTAL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),
EV_TYPE_PRINT_OPERATION_EXPORT_PORTAL))
+#define EV_PRINT_OPERATION_EXPORT_PORTAL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),
EV_TYPE_PRINT_OPERATION_EXPORT_PORTAL, EvPrintOperationExportPortalClass))
+
+typedef struct _EvPrintOperationExportPortal EvPrintOperationExportPortal;
+typedef struct _EvPrintOperationExportPortalClass EvPrintOperationExportPortalClass;
+
+static GType ev_print_operation_export_portal_get_type (void) G_GNUC_CONST;
+
+struct _EvPrintOperationExportPortal {
+ EvPrintOperationExport parent;
+
+ GDBusProxy *proxy;
+ guint response_signal_id;
+ guint32 token;
+ char *parent_window_handle;
+ char *prepare_print_handle;
+};
+
+struct _EvPrintOperationExportPortalClass {
+ EvPrintOperationExportClass parent_class;
+};
+
+G_DEFINE_TYPE (EvPrintOperationExportPortal, ev_print_operation_export_portal,
EV_TYPE_PRINT_OPERATION_EXPORT)
+
+/* BEGIN copied from gtkwindow.c */
+/* Thanks, gtk+, for not exporting this essential API! */
+
+typedef void (*EvGtkWindowHandleExported) (GtkWindow *window,
+ const char *handle,
+ gpointer user_data);
+
+static gboolean ev_gtk_window_export_handle (GtkWindow *window,
+ EvGtkWindowHandleExported callback,
+ gpointer user_data);
+
+#ifdef GDK_WINDOWING_WAYLAND
+
+typedef void (*EvGdkWaylandWindowExported) (GdkWindow *window,
+ const char *handle,
+ gpointer user_data);
+
+typedef struct {
+ GtkWindow *window;
+ EvGtkWindowHandleExported callback;
+ gpointer user_data;
+} WaylandWindowHandleExportedData;
+
+static void
+wayland_window_handle_exported_cb (GdkWindow *window,
+ const char *wayland_handle_str,
+ gpointer user_data)
+{
+ WaylandWindowHandleExportedData *data = user_data;
+ char *handle_str;
+
+ handle_str = g_strdup_printf ("wayland:%s", wayland_handle_str);
+ data->callback (data->window, handle_str, data->user_data);
+ g_free (handle_str);
+}
+#endif
+
+static gboolean
+ev_gtk_window_export_handle (GtkWindow *window,
+ EvGtkWindowHandleExported callback,
+ gpointer user_data)
+{
+#ifdef GDK_WINDOWING_X11
+ if (GDK_IS_X11_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window)))) {
+ GdkWindow *gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
+ char *handle_str;
+ guint32 xid = (guint32) gdk_x11_window_get_xid (gdk_window);
+
+ handle_str = g_strdup_printf ("x11:%x", xid);
+ callback (window, handle_str, user_data);
+ g_free (handle_str);
+
+ return TRUE;
+ }
+#endif
+#ifdef GDK_WINDOWING_WAYLAND
+ if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window)))) {
+ GdkWindow *gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
+ WaylandWindowHandleExportedData *data;
+ data = g_new0 (WaylandWindowHandleExportedData, 1);
+ data->window = window;
+ data->callback = callback;
+ data->user_data = user_data;
+
+ if (!gdk_wayland_window_export_handle (gdk_window,
+ wayland_window_handle_exported_cb,
+ data,
+ g_free)) {
+ g_free (data);
+ return FALSE;
+ }
+
+ return TRUE;
+ }
+#endif
+
+ g_printerr ("Unsupported windowing system.\n");
+ return FALSE;
+}
+
+#if 0
+static void
+ev_gtk_window_unexport_handle (GtkWindow *window)
+{
+#ifdef GDK_WINDOWING_WAYLAND
+ if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
+ {
+ GdkWindow *gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
+
+ gdk_wayland_window_unexport_handle (gdk_window);
+ }
+#endif
+}
+#endif
+
+/* END copied from gtkwindow.c */
+
+static void
+export_portal_unsubscribe_response (EvPrintOperationExportPortal *export_portal)
+{
+ if (export_portal->response_signal_id == 0)
+ return;
+
+ g_dbus_connection_signal_unsubscribe (g_dbus_proxy_get_connection (G_DBUS_PROXY
(export_portal->proxy)),
+ export_portal->response_signal_id);
+ export_portal->response_signal_id = 0;
+}
+
+static void
+export_portal_request_response_cb (GDBusConnection *connection,
+ const char *sender_name,
+ const char *object_path,
+ const char *interface_name,
+ const char *signal_name,
+ GVariant *parameters,
+ gpointer data)
+{
+ EvPrintOperationExportPortal *export_portal = EV_PRINT_OPERATION_EXPORT_PORTAL (data);
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (data);
+ EvPrintOperation *op = EV_PRINT_OPERATION (data);
+ guint32 response;
+ GVariant *options;
+ GVariant *v;
+ GtkPrintSettings *settings;
+ GtkPageSetup *page_setup;
+ EvFileExporterFormat format;
+
+ export_portal_unsubscribe_response (export_portal);
+
+ g_assert_cmpstr (object_path, ==, export_portal->prepare_print_handle); // FIXMEchpe remove
+
+ if (!g_str_equal (object_path, export_portal->prepare_print_handle))
+ return;
+
+ g_variant_get (parameters, "(u@a{sv})", &response, &options);
+
+ /* Cancelled? */
+ if (response != 0) {
+ g_variant_unref (options);
+
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_CANCEL);
+ return;
+ }
+
+ /* FIXME: no "preview" for portal? */
+ /* op->print_preview = (response == GTK_RESPONSE_APPLY); */
+ op->print_preview = FALSE;
+
+ v = g_variant_lookup_value (options, "settings", G_VARIANT_TYPE_VARDICT);
+ settings = gtk_print_settings_new_from_gvariant (v);
+ g_variant_unref (v);
+
+ ev_print_operation_set_print_settings (op, settings);
+ g_object_unref (settings);
+
+ v = g_variant_lookup_value (options, "page-setup", G_VARIANT_TYPE_VARDICT);
+ page_setup = gtk_page_setup_new_from_gvariant (v);
+ g_variant_unref (v);
+
+ ev_print_operation_set_default_page_setup (op, page_setup);
+ g_object_unref (page_setup);
+
+ g_variant_lookup (options, "token", "u", &export_portal->token);
+
+ g_variant_unref (options);
+
+ format = get_file_exporter_format (EV_FILE_EXPORTER (op->document),
+ export->print_settings);
+
+ if (!ev_print_operation_export_update_ranges (export)) {
+ if (export->error == NULL)
+ g_set_error_literal (&export->error,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ _("Your print range selection does not include any pages"));
+
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
+ return;
+ }
+
+ if (!ev_print_operation_export_mkstemp (export, format)) {
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
+ return;
+ }
+
+ ev_print_operation_export_prepare (export, format);
+}
+
+static void
+export_portal_subscribe_response (EvPrintOperationExportPortal *export_portal)
+{
+ export_portal->response_signal_id =
+ g_dbus_connection_signal_subscribe (g_dbus_proxy_get_connection (G_DBUS_PROXY
(export_portal->proxy)),
+ "org.freedesktop.portal.Desktop",
+ "org.freedesktop.portal.Request",
+ "Response",
+ export_portal->prepare_print_handle,
+ NULL /* cancellable */,
+ G_DBUS_SIGNAL_FLAGS_NO_MATCH_RULE,
+ export_portal_request_response_cb,
+ g_object_ref (export_portal),
+ (GDestroyNotify) g_object_unref);
+}
+
+static void
+export_portal_prepare_print_cb (GObject *source,
+ GAsyncResult *result,
+ gpointer data)
+{
+ EvPrintOperationExportPortal *export_portal = EV_PRINT_OPERATION_EXPORT_PORTAL (data);
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (data);
+ GError *error = NULL;
+ const char *handle = NULL;
+ GVariant *rv;
+
+ rv = g_dbus_proxy_call_finish (export_portal->proxy, result, &error);
+ if (rv == NULL) {
+ if (export->error == NULL)
+ g_propagate_error (&export->error, error);
+ else
+ g_error_free (error);
+
+ g_object_unref (export); /* added in g_dbus_proxy_call */
+ return;
+ }
+
+ g_variant_get (rv, "(&o)", &handle);
+
+ /* This happens on old portal versions only */
+ if (!g_str_equal (export_portal->prepare_print_handle, handle)) {
+ g_free (export_portal->prepare_print_handle);
+ export_portal->prepare_print_handle = g_strdup (handle);
+
+ export_portal_unsubscribe_response (export_portal);
+ export_portal_subscribe_response (export_portal);
+ }
+
+ g_variant_unref (rv);
+ g_object_unref (export); /* added in g_dbus_proxy_call */
+}
+
+static void
+export_portal_create_proxy_cb (GObject *source,
+ GAsyncResult *result,
+ EvPrintOperationExportPortal *export_portal)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export_portal);
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (export_portal);
+ GError *err = NULL;
+ GVariantBuilder options_builder;
+ GVariant *options_variant;
+ GVariant *settings_variant;
+ GVariant *setup_variant;
+ char *token;
+ char *sender;
+
+ export_portal->proxy = g_dbus_proxy_new_for_bus_finish (result, &err);
+ if (export_portal->proxy == NULL) {
+ g_printerr("Error creating Print portal proxy: %s\n", err->message);
+ g_propagate_error (&export->error, err);
+
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
+
+ g_object_unref (export_portal); /* added in create_proxy */
+ return;
+ }
+
+ /* Now we can call PreparePrint */
+ token = g_strdup_printf ("evince%u", (guint)g_random_int_range (0, G_MAXINT));
+
+ sender = g_strdup (g_dbus_connection_get_unique_name (g_dbus_proxy_get_connection
(export_portal->proxy)) + 1);
+ sender = g_strdelimit (sender, ".", '_');
+
+ export_portal->prepare_print_handle = g_strdup_printf
("/org/fredesktop/portal/desktop/request/%s/%s", sender, token);
+ g_free (sender);
+
+ export_portal_subscribe_response (export_portal);
+
+#if 0
+ /* FIXMEchpe: There is no way to specify the GtkPrintCapabilities
+ * and the custom options. Needs to be fixed in the Portal!
+ */
+ capabilities = GTK_PRINT_CAPABILITY_PREVIEW |
+ ev_file_exporter_get_capabilities (EV_FILE_EXPORTER (op->document));
+ /* ... */
+ /* install custom options... */
+#endif
+
+ g_variant_builder_init (&options_builder, G_VARIANT_TYPE_VARDICT);
+ g_variant_builder_add (&options_builder, "{sv}", "handle_token", g_variant_new_string (token));
+ g_variant_builder_add (&options_builder, "{sv}", "modal", g_variant_new_boolean (TRUE));
+ g_free (token);
+
+ options_variant = g_variant_builder_end (&options_builder);
+
+ if (export->print_settings) {
+ settings_variant = gtk_print_settings_to_gvariant (export->print_settings);
+ } else {
+ GVariantBuilder builder2;
+ g_variant_builder_init (&builder2, G_VARIANT_TYPE_VARDICT);
+ settings_variant = g_variant_builder_end (&builder2);
+ }
+
+ if (export->page_setup) {
+ setup_variant = gtk_page_setup_to_gvariant (export->page_setup);
+ } else {
+ GtkPageSetup *page_setup = gtk_page_setup_new ();
+ setup_variant = gtk_page_setup_to_gvariant (page_setup);
+ g_object_unref (page_setup);
+ }
+
+ g_dbus_proxy_call (export_portal->proxy,
+ "PreparePrint",
+ g_variant_new ("(ss@a{sv}@a{sv}@a{sv})",
+ export_portal->parent_window_handle ?
export_portal->parent_window_handle : "",
+ _("Print"), /* title */
+ settings_variant,
+ setup_variant,
+ options_variant),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ NULL /* cancellable */,
+ export_portal_prepare_print_cb,
+ export_portal /* transfer the refcount added in create_proxy */);
+}
+
+static void
+export_portal_create_proxy (EvPrintOperationExportPortal *export_portal)
+{
+ g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ "org.freedesktop.portal.Desktop",
+ "/org/freedesktop/portal/desktop",
+ "org.freedesktop.portal.Print",
+ NULL /* cancellable */,
+ (GAsyncReadyCallback) export_portal_create_proxy_cb,
+ g_object_ref (export_portal));
+}
+
+static void
+export_portal_window_handle_exported_cb (GtkWindow *window,
+ const char *handle_str,
+ gpointer user_data)
+{
+ EvPrintOperationExportPortal *export_portal = EV_PRINT_OPERATION_EXPORT_PORTAL (user_data);
+
+ export_portal->parent_window_handle = g_strdup (handle_str);
+ export_portal_create_proxy (export_portal);
+ g_object_unref (export_portal);
+}
+
+
+static void
+export_portal_print_finished_cb (GObject *source,
+ GAsyncResult *result,
+ EvPrintOperationExportPortal *export_portal)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (export_portal);
+ EvPrintOperation *op = EV_PRINT_OPERATION (export_portal);
+ GVariant *rv;
+ GError *err = NULL;
+
+ rv = g_dbus_proxy_call_finish (export_portal->proxy, result, &err);
+ if (rv == NULL) {
+ g_set_error_literal (&export->error,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ err->message);
+ g_error_free (err);
+
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
+ } else {
+ g_variant_unref (rv);
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_APPLY);
+ }
+
+ ev_print_operation_export_clear_temp_file (export);
+
+ ev_print_operation_export_run_next (export);
+
+ g_object_unref (export_portal);
+}
+
+static gboolean
+export_portal_print (EvPrintOperationExportPortal *export_portal,
+ GtkPrintSettings *settings,
+ GError **error)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (export_portal);
+ GUnixFDList *fd_list;
+ int idx;
+ GError *err = NULL;
+ GVariantBuilder builder;
+
+ fd_list = g_unix_fd_list_new ();
+ idx = g_unix_fd_list_append (fd_list, export->fd, &err);
+ if (idx == -1) {
+ g_propagate_error (error, err);
+ return FALSE;
+ }
+
+ g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
+ g_variant_builder_add (&builder, "{sv}", "token", g_variant_new_uint32 (export_portal->token));
+
+ /* FIXMEchpe: The portal will use the old print settings passed to PreparePrint,
+ * not the cleaned-up ones from @settings !!! To fix this, needs to enhance
+ * the portal.
+ */
+ g_dbus_proxy_call_with_unix_fd_list (export_portal->proxy,
+ "Print",
+ g_variant_new ("(ssh@a{sv})",
+ export_portal->parent_window_handle,
+ _("Print"), /* title */
+ idx,
+ g_variant_builder_end (&builder)),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ fd_list,
+ NULL /* cancellable */,
+ (GAsyncReadyCallback) export_portal_print_finished_cb,
+ g_object_ref (export_portal));
+ g_object_unref (fd_list);
+ return TRUE;
+}
+
+static void
+ev_print_operation_export_portal_run (EvPrintOperation *op,
+ GtkWindow *parent)
+{
+ EvPrintOperationExportPortal *export_portal = EV_PRINT_OPERATION_EXPORT_PORTAL (op);
+
+ EV_PRINT_OPERATION_CLASS (ev_print_operation_export_portal_parent_class)->run (op, parent);
+
+ if (parent != NULL &&
+ gtk_widget_is_visible (GTK_WIDGET (parent)) &&
+ ev_gtk_window_export_handle (parent,
+ export_portal_window_handle_exported_cb,
+ g_object_ref (export_portal)))
+ return;
+
+ export_portal_create_proxy (export_portal);
+}
+
+static void
+ev_print_operation_export_portal_cancel (EvPrintOperation *op)
+{
+ // EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+ // EvPrintOperationExportPortal *export_portal = EV_PRINT_OPERATION_EXPORT_PORTAL (op);
+
+ EV_PRINT_OPERATION_CLASS (ev_print_operation_export_portal_parent_class)->cancel (op);
+}
+
+static gboolean
+ev_print_operation_export_portal_run_previewer (EvPrintOperationExport *export,
+ GtkPrintSettings *settings,
+ GError **error)
+{
+ /* FIXMEchpe: This needs a new PrintPreview portal, that's just like Print
+ * but calls a flatpack'd evince-previewer to do the previewing.
+ */
+
+ g_set_error_literal (error,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ "Print preview not possible on portal");
+ return FALSE;
+}
+
+static gboolean
+ev_print_operation_export_portal_send_job (EvPrintOperationExport *export,
+ GtkPrintSettings *settings,
+ GError **error)
+{
+ EvPrintOperationExportPortal *export_portal = EV_PRINT_OPERATION_EXPORT_PORTAL (export);
+ return export_portal_print (export_portal, settings, error);
+}
+
+static void
+ev_print_operation_export_portal_init (EvPrintOperationExportPortal *export)
+{
+}
+
+static void
+ev_print_operation_export_portal_constructed (GObject *object)
+{
+ // EvPrintOperation *op = EV_PRINT_OPERATION (object);
+ // EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (object);
+ // EvPrintOperationExportPortal *export_portal = EV_PRINT_OPERATION_EXPORT_PORTAL (object);
+
+ G_OBJECT_CLASS (ev_print_operation_export_portal_parent_class)->constructed (object);
+}
+
+static void
+ev_print_operation_export_portal_finalize (GObject *object)
+{
+ EvPrintOperationExportPortal *export_portal = EV_PRINT_OPERATION_EXPORT_PORTAL (object);
+
+ export_portal_unsubscribe_response (export_portal);
+
+ g_clear_object (&export_portal->proxy);
+
+ g_free (export_portal->parent_window_handle);
+ g_free (export_portal->prepare_print_handle);
+
+ G_OBJECT_CLASS (ev_print_operation_export_portal_parent_class)->finalize (object);
+}
+
+static void
+ev_print_operation_export_portal_class_init (EvPrintOperationExportPortalClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+ EvPrintOperationClass *ev_print_op_class = EV_PRINT_OPERATION_CLASS (klass);
+ EvPrintOperationExportClass *ev_print_op_ex_class = EV_PRINT_OPERATION_EXPORT_CLASS (klass);
+
+ ev_print_op_class->run = ev_print_operation_export_portal_run;
+ ev_print_op_class->cancel = ev_print_operation_export_portal_cancel;
+
+ ev_print_op_ex_class->send_job = ev_print_operation_export_portal_send_job;
+ ev_print_op_ex_class->run_previewer = ev_print_operation_export_portal_run_previewer;
+
+ g_object_class->constructed = ev_print_operation_export_portal_constructed;
+ g_object_class->finalize = ev_print_operation_export_portal_finalize;
+}
+
+#endif /* PORTAL_ENABLED */
+
+/* Export with unix print dialogue */
+
#if GTKUNIXPRINT_ENABLED
#include <gtk/gtkunixprint.h>
-/* Export with unix print dialogue */
#define EV_TYPE_PRINT_OPERATION_EXPORT_UNIX (ev_print_operation_export_unix_get_type())
#define EV_PRINT_OPERATION_EXPORT_UNIX(object) (G_TYPE_CHECK_INSTANCE_CAST((object),
EV_TYPE_PRINT_OPERATION_EXPORT_UNIX, EvPrintOperationExportUnix))
#define EV_PRINT_OPERATION_EXPORT_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),
EV_TYPE_PRINT_OPERATION_EXPORT_UNIX, EvPrintOperationExportUnixClass))
@@ -1285,17 +1993,9 @@ export_unix_print_dialog_response_cb (GtkDialog *dialog,
{
EvPrintOperationExportUnix *export_unix = EV_PRINT_OPERATION_EXPORT_UNIX (export);
EvPrintOperation *op = EV_PRINT_OPERATION (export);
- GtkPrintPages print_pages;
GtkPrintSettings *print_settings;
GtkPageSetup *page_setup;
GtkPrinter *printer;
- gdouble scale;
- gdouble width;
- gdouble height;
- gint first_page;
- gint last_page;
- gchar *filename;
- GError *error = NULL;
EvFileExporterFormat format;
if (response != GTK_RESPONSE_OK &&
@@ -1318,7 +2018,7 @@ export_unix_print_dialog_response_cb (GtkDialog *dialog,
ev_print_operation_export_set_default_page_setup (op, page_setup);
format = get_file_exporter_format (EV_FILE_EXPORTER (op->document),
- print_settings);
+ print_settings);
if ((format == EV_FILE_FORMAT_PS && !gtk_printer_accepts_ps (export_unix->printer)) ||
(format == EV_FILE_FORMAT_PDF && !gtk_printer_accepts_pdf (export_unix->printer))) {
@@ -1333,57 +2033,17 @@ export_unix_print_dialog_response_cb (GtkDialog *dialog,
return;
}
- filename = g_strdup_printf ("evince_print.%s.XXXXXX", format == EV_FILE_FORMAT_PDF ? "pdf" : "ps");
- export->fd = g_file_open_tmp (filename, &export->temp_file, &error);
- g_free (filename);
- if (export->fd <= -1) {
+ if (!ev_print_operation_export_mkstemp (export, format)) {
gtk_widget_destroy (GTK_WIDGET (dialog));
- g_set_error_literal (&export->error,
- GTK_PRINT_ERROR,
- GTK_PRINT_ERROR_GENERAL,
- error->message);
- g_error_free (error);
g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
-
return;
}
+ /* FIXMEchpe (why) is this necessary? */
export->current_page = gtk_print_unix_dialog_get_current_page (GTK_PRINT_UNIX_DIALOG (dialog));
- export->page_set = gtk_print_settings_get_page_set (print_settings);
- print_pages = gtk_print_settings_get_print_pages (print_settings);
-
- switch (print_pages) {
- case GTK_PRINT_PAGES_CURRENT:
- export->ranges = &export->one_range;
- export->ranges[0].start = export->current_page;
- export->ranges[0].end = export->current_page;
- export->n_ranges = 1;
-
- break;
- case GTK_PRINT_PAGES_RANGES: {
- gint i;
-
- export->ranges = gtk_print_settings_get_page_ranges (print_settings, &export->n_ranges);
- for (i = 0; i < export->n_ranges; i++)
- if (export->ranges[i].end == -1 || export->ranges[i].end >= export->n_pages)
- export->ranges[i].end = export->n_pages - 1;
- }
- break;
- default:
- g_warning ("Unsupported print pages setting\n");
- case GTK_PRINT_PAGES_ALL:
- export->ranges = &export->one_range;
-
- export->ranges[0].start = 0;
- export->ranges[0].end = export->n_pages - 1;
- export->n_ranges = 1;
-
- break;
- }
-
- if (export->n_ranges < 1 || !clamp_ranges (export)) {
+ if (!ev_print_operation_export_update_ranges (export)) {
GtkWidget *message_dialog;
message_dialog = gtk_message_dialog_new (GTK_WINDOW (dialog),
@@ -1400,61 +2060,11 @@ export_unix_print_dialog_response_cb (GtkDialog *dialog,
gtk_widget_show (message_dialog);
return;
- } else ev_print_operation_update_status (op, -1, -1, 0.0);
-
- width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS);
- height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS);
- scale = gtk_print_settings_get_scale (print_settings) * 0.01;
- if (scale != 1.0) {
- width *= scale;
- height *= scale;
- }
-
- export->pages_per_sheet = MAX (1, gtk_print_settings_get_number_up (print_settings));
-
- export->copies = gtk_print_settings_get_n_copies (print_settings);
- export->collate = gtk_print_settings_get_collate (print_settings);
- export->reverse = gtk_print_settings_get_reverse (print_settings);
-
- if (export->collate) {
- export->uncollated_copies = export->copies;
- export->collated_copies = 1;
- } else {
- export->uncollated_copies = 1;
- export->collated_copies = export->copies;
}
- if (export->reverse) {
- export->range = export->n_ranges - 1;
- export->inc = -1;
- } else {
- export->range = 0;
- export->inc = 1;
- }
- find_range (export);
-
- export->page = export->start - export->inc;
- export->collated = export->collated_copies - 1;
-
- get_first_and_last_page (export, &first_page, &last_page);
-
- export->fc.format = format;
- export->fc.filename = export->temp_file;
- export->fc.first_page = MIN (first_page, last_page);
- export->fc.last_page = MAX (first_page, last_page);
- export->fc.paper_width = width;
- export->fc.paper_height = height;
- export->fc.duplex = FALSE;
- export->fc.pages_per_sheet = export->pages_per_sheet;
-
- if (ev_print_queue_is_empty (op->document))
- ev_print_operation_export_begin (export);
-
- ev_print_queue_push (op);
-
- g_signal_emit (op, signals[BEGIN_PRINT], 0);
-
gtk_widget_destroy (GTK_WIDGET (dialog));
+
+ ev_print_operation_export_prepare (export, format);
}
static void
@@ -2274,33 +2884,49 @@ ev_print_operation_print_class_init (EvPrintOperationPrintClass *klass)
g_object_class->finalize = ev_print_operation_print_finalize;
}
+/* Factory functions */
+
+static GType
+ev_print_operation_get_gtype_for_document (EvDocument *document)
+{
+ GType type = G_TYPE_INVALID;
+ const char *env;
+
+ /* Allow to override the selection by an env var */
+ env = g_getenv ("EV_PRINT");
+
+ if (EV_IS_DOCUMENT_PRINT (document) && g_strcmp0 (env, "export") != 0) {
+ type = EV_TYPE_PRINT_OPERATION_PRINT;
+ } else if (EV_IS_FILE_EXPORTER (document)) {
+ if (ev_should_use_portal ()) {
+#ifdef PORTAL_ENABLED
+ type = EV_TYPE_PRINT_OPERATION_EXPORT_PORTAL;
+#endif
+ } else {
+#if GTKUNIXPRINT_ENABLED
+ type = EV_TYPE_PRINT_OPERATION_EXPORT_UNIX;
+#endif
+ }
+ }
+
+ return type;
+}
+
gboolean
ev_print_operation_exists_for_document (EvDocument *document)
{
-#if GTKUNIXPRINT_ENABLED
- return (EV_IS_FILE_EXPORTER(document) || EV_IS_DOCUMENT_PRINT(document));
-#else
- return EV_IS_DOCUMENT_PRINT(document);
-#endif /* GTKUNIXPRINT_ENABLED */
+ return ev_print_operation_get_gtype_for_document (document) != G_TYPE_INVALID;
}
/* Factory method */
EvPrintOperation *
ev_print_operation_new (EvDocument *document)
{
- EvPrintOperation *op = NULL;
+ GType type;
- g_return_val_if_fail (ev_print_operation_exists_for_document (document), NULL);
+ type = ev_print_operation_get_gtype_for_document (document);
+ if (type == G_TYPE_INVALID)
+ return NULL;
- if (EV_IS_DOCUMENT_PRINT (document))
- op = EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_PRINT,
- "document", document, NULL));
- else
-#if GTKUNIXPRINT_ENABLED
- op = EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_EXPORT_UNIX,
- "document", document, NULL));
-#else
- op = NULL;
-#endif
- return op;
+ return EV_PRINT_OPERATION (g_object_new (type, "document", document, NULL));
}
diff --git a/meson.build b/meson.build
index 48003b33a..73dfd5381 100644
--- a/meson.build
+++ b/meson.build
@@ -74,6 +74,7 @@ ev_debug = get_option('buildtype').contains('debug')
cc = meson.get_compiler('c')
config_h = configuration_data()
+config_h.set10('_GNU_SOURCE', true)
# package
config_h.set_quoted('PACKAGE_ICON_NAME', app_id)
@@ -198,7 +199,6 @@ if ev_platform == 'gnome'
if enable_dbus
# Check for dbus service dir
dbus_service_dir = dependency('dbus-1').get_pkgconfig_variable('session_bus_services_dir',
define_variable: ['datadir', ev_datadir])
- gio_unix_dep = dependency('gio-unix-2.0', version: glib_req_version)
endif
config_h.set('ENABLE_DBUS', enable_dbus)
@@ -211,12 +211,21 @@ if ev_platform == 'gnome'
gtk_unix_print_dep = dependency('gtk+-unix-print-3.0', version: gtk_req_version, required:
get_option('gtk_unix_print'))
enable_gtk_unix_print = gtk_unix_print_dep.found()
config_h.set10('GTKUNIXPRINT_ENABLED', enable_gtk_unix_print)
+
+ if enable_dbus or enable_gtk_unix_print
+ gio_unix_dep = dependency('gio-unix-2.0', version: glib_req_version)
+ else
+ gio_unix_dep = dependency('', required: false)
+ endif
+
else
message('Evince has a soft run-time dependency on hicolor-icon-theme. You are advised to have this theme
installed when running Evince.')
enable_nautilus = false
enable_dbus = false
enable_keyring = false
enable_gtk_unix_print = false
+ gio_unix_dep = dependency('', required: false)
+ gtk_unix_print_dep = dependency('', required: false)
endif
# *** GObject Introspection ***
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