Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 199 insertions, 0 deletions

diff --git a/plug-ins/screenshot/screenshot-freedesktop.c b/plug-ins/screenshot/screenshot-freedesktop.c
new file mode 100644
index 0000000..206d70a
--- /dev/null
+++ b/plug-ins/screenshot/screenshot-freedesktop.c
@@ -0,0 +1,199 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Screenshot plug-in
+ * Copyright 1998-2007 Sven Neumann <sven@gimp.org>
+ * Copyright 2003      Henrik Brix Andersen <brix@gimp.org>
+ * Copyright 2016      Michael Natterer <mitch@gimp.org>
+ * Copyright 2017      Jehan <jehan@gimp.org>
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <glib.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "screenshot.h"
+#include "screenshot-freedesktop.h"
+
+
+static GDBusProxy *proxy = NULL;
+
+gboolean
+screenshot_freedesktop_available (void)
+{
+  proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+                                         G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
+                                         NULL,
+                                         "org.freedesktop.portal.Desktop",
+                                         "/org/freedesktop/portal/desktop",
+                                         "org.freedesktop.portal.Screenshot",
+                                         NULL, NULL);
+
+  if (proxy)
+    {
+      GError *error = NULL;
+
+      g_dbus_proxy_call_sync (proxy, "org.freedesktop.DBus.Peer.Ping",
+                              NULL,
+                              G_DBUS_CALL_FLAGS_NONE,
+                              -1, NULL, &error);
+      if (! error)
+        return TRUE;
+
+      g_clear_error (&error);
+
+      g_object_unref (proxy);
+      proxy = NULL;
+    }
+
+  return FALSE;
+}
+
+ScreenshotCapabilities
+screenshot_freedesktop_get_capabilities (void)
+{
+  /* Portal has no capabilities other than root screenshot! */
+  return 0;
+}
+
+static void
+screenshot_freedesktop_dbus_signal (GDBusProxy *proxy,
+                                    gchar      *sender_name,
+                                    gchar      *signal_name,
+                                    GVariant   *parameters,
+                                    gint32     *image_ID)
+{
+  if (g_strcmp0 (signal_name, "Response") == 0)
+    {
+      GVariant *results;
+      guint32   response;
+
+      g_variant_get (parameters, "(u@a{sv})",
+                     &response,
+                     &results);
+
+      /* Possible values:
+       * 0: Success, the request is carried out
+       * 1: The user cancelled the interaction
+       * 2: The user interaction was ended in some other way
+       * Cf. https://github.com/flatpak/xdg-desktop-portal/blob/master/data/org.freedesktop.portal.Request.xml
+       */
+      if (response == 0)
+        {
+          gchar *uri;
+
+          if (g_variant_lookup (results, "uri", "s", &uri))
+            {
+              GFile *file = g_file_new_for_uri (uri);
+              gchar *path = g_file_get_path (file);
+
+              *image_ID = gimp_file_load (GIMP_RUN_NONINTERACTIVE,
+                                          path, path);
+              gimp_image_set_filename (*image_ID, "screenshot.png");
+
+              /* Delete the actual file. */
+              g_file_delete (file, NULL, NULL);
+
+              g_object_unref (file);
+              g_free (path);
+              g_free (uri);
+            }
+        }
+
+      g_variant_unref (results);
+      /* Quit anyway. */
+      gtk_main_quit ();
+    }
+}
+
+GimpPDBStatusType
+screenshot_freedesktop_shoot (ScreenshotValues  *shootvals,
+                              GdkScreen         *screen,
+                              gint32            *image_ID,
+                              GError           **error)
+{
+  GVariant *retval;
+  gchar    *opath = NULL;
+
+  if (shootvals->shoot_type != SHOOT_ROOT)
+    {
+      /* This should not happen. */
+      return GIMP_PDB_EXECUTION_ERROR;
+    }
+
+  if (shootvals->screenshot_delay > 0)
+    screenshot_delay (shootvals->screenshot_delay);
+
+  retval = g_dbus_proxy_call_sync (proxy, "Screenshot",
+                                   g_variant_new ("(sa{sv})", "", NULL),
+                                   G_DBUS_CALL_FLAGS_NONE,
+                                   -1, NULL, error);
+  g_object_unref (proxy);
+  proxy = NULL;
+  if (retval)
+    {
+      g_variant_get (retval, "(o)", &opath);
+      g_variant_unref (retval);
+    }
+
+  if (opath)
+    {
+      GDBusProxy *proxy2 = NULL;
+
+      proxy2 = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+                                              G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
+                                              NULL,
+                                              "org.freedesktop.portal.Desktop",
+                                              opath,
+                                              "org.freedesktop.portal.Request",
+                                              NULL, NULL);
+      *image_ID = 0;
+      g_signal_connect (proxy2, "g-signal",
+                        G_CALLBACK (screenshot_freedesktop_dbus_signal),
+                        image_ID);
+
+      gtk_main ();
+      g_object_unref (proxy2);
+      g_free (opath);
+
+      /* Signal got a response. */
+      if (*image_ID)
+        {
+          GimpColorProfile *profile;
+
+          /* Just assign profile of current monitor. This will work only
+           * as long as this is a single-display setup.
+           * We need to figure out how to do better color management for
+           * portal screenshots.
+           * TODO!
+           */
+          profile = gimp_screen_get_color_profile (screen,
+                                                   shootvals->monitor);
+          if (profile)
+            {
+              gimp_image_set_color_profile (*image_ID, profile);
+              g_object_unref (profile);
+            }
+
+          return GIMP_PDB_SUCCESS;
+        }
+    }
+
+  return GIMP_PDB_EXECUTION_ERROR;
+}