Adding upstream version 43.2.upstream/43.2upstream

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

1 files changed, 2325 insertions, 0 deletions

diff --git a/src/nautilus-mime-actions.c b/src/nautilus-mime-actions.c
new file mode 100644
index 0000000..d4dfd16
--- /dev/null
+++ b/src/nautilus-mime-actions.c
@@ -0,0 +1,2325 @@
+/* nautilus-mime-actions.c - uri-specific versions of mime action functions
+ *
+ *  Copyright (C) 2000, 2001 Eazel, Inc.
+ *
+ *  The Gnome Library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public License as
+ *  published by the Free Software Foundation; either version 2 of the
+ *  License, or (at your option) any later version.
+ *
+ *  The Gnome Library 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
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public
+ *  License along with the Gnome Library; see the file COPYING.LIB.  If not,
+ *  see <http://www.gnu.org/licenses/>.
+ *
+ *  Authors: Maciej Stachowiak <mjs@eazel.com>
+ */
+
+#include "nautilus-mime-actions.h"
+
+#include <eel/eel-stock-dialogs.h>
+#include <eel/eel-string.h>
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+#include <string.h>
+
+#define DEBUG_FLAG NAUTILUS_DEBUG_MIME
+#include "nautilus-debug.h"
+
+#include "nautilus-application.h"
+#include "nautilus-enums.h"
+#include "nautilus-file.h"
+#include "nautilus-file-utilities.h"
+#include "nautilus-file-operations.h"
+#include "nautilus-global-preferences.h"
+#include "nautilus-metadata.h"
+#include "nautilus-program-choosing.h"
+#include "nautilus-signaller.h"
+#include "nautilus-ui-utilities.h"
+#include "nautilus-window.h"
+#include "nautilus-window-slot.h"
+
+typedef enum
+{
+    ACTIVATION_ACTION_LAUNCH,
+    ACTIVATION_ACTION_LAUNCH_IN_TERMINAL,
+    ACTIVATION_ACTION_OPEN_IN_VIEW,
+    ACTIVATION_ACTION_OPEN_IN_APPLICATION,
+    ACTIVATION_ACTION_EXTRACT,
+    ACTIVATION_ACTION_DO_NOTHING,
+} ActivationAction;
+
+typedef struct
+{
+    NautilusFile *file;
+    char *uri;
+} LaunchLocation;
+
+typedef struct
+{
+    GAppInfo *application;
+    GList *uris;
+} ApplicationLaunchParameters;
+
+typedef struct
+{
+    NautilusWindowSlot *slot;
+    gpointer window;
+    GtkWindow *parent_window;
+    GCancellable *cancellable;
+    GList *locations;
+    GList *mountables;
+    GList *start_mountables;
+    GList *not_mounted;
+    NautilusOpenFlags flags;
+    char *timed_wait_prompt;
+    gboolean timed_wait_active;
+    NautilusFileListHandle *files_handle;
+    gboolean tried_mounting;
+    char *activation_directory;
+    gboolean user_confirmation;
+    GQueue *open_in_view_files;
+    GQueue *open_in_app_uris;
+    GQueue *launch_files;
+    GQueue *launch_in_terminal_files;
+    GList *open_in_app_parameters;
+    GList *unhandled_open_in_app_uris;
+} ActivateParameters;
+
+typedef struct
+{
+    ActivateParameters *activation_params;
+    GQueue *uris;
+} ApplicationLaunchAsyncParameters;
+
+/* Microsoft mime types at https://blogs.msdn.microsoft.com/vsofficedeveloper/2008/05/08/office-2007-file-format-mime-types-for-http-content-streaming-2/ */
+struct
+{
+    char *name;
+    char *mimetypes[20];
+} mimetype_groups[] =
+{
+    {
+        N_("Anything"),
+        { NULL }
+    },
+    {
+        N_("Files"),
+        { "application/octet-stream",
+          "text/plain",
+          NULL}
+    },
+    {
+        N_("Folders"),
+        { "inode/directory",
+          NULL}
+    },
+    { N_("Documents"),
+      { "application/rtf",
+        "application/msword",
+        "application/vnd.sun.xml.writer",
+        "application/vnd.sun.xml.writer.global",
+        "application/vnd.sun.xml.writer.template",
+        "application/vnd.oasis.opendocument.text",
+        "application/vnd.oasis.opendocument.text-template",
+        "application/x-abiword",
+        "application/x-applix-word",
+        "application/x-mswrite",
+        "application/docbook+xml",
+        "application/x-kword",
+        "application/x-kword-crypt",
+        "application/x-lyx",
+        "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+        NULL}},
+    { N_("Illustration"),
+      { "application/illustrator",
+        "application/vnd.corel-draw",
+        "application/vnd.stardivision.draw",
+        "application/vnd.oasis.opendocument.graphics",
+        "application/x-dia-diagram",
+        "application/x-karbon",
+        "application/x-killustrator",
+        "application/x-kivio",
+        "application/x-kontour",
+        "application/x-wpg",
+        NULL}},
+    { N_("Music"),
+      { "application/ogg",
+        "audio/x-vorbis+ogg",
+        "audio/ac3",
+        "audio/basic",
+        "audio/midi",
+        "audio/x-flac",
+        "audio/mp4",
+        "audio/mpeg",
+        "audio/x-mpeg",
+        "audio/x-ms-asx",
+        "audio/x-pn-realaudio",
+        NULL}},
+    { N_("PDF / PostScript"),
+      { "application/pdf",
+        "application/postscript",
+        "application/x-dvi",
+        "image/x-eps",
+        "image/vnd.djvu+multipage",
+        NULL}},
+    { N_("Picture"),
+      { "application/vnd.oasis.opendocument.image",
+        "application/x-krita",
+        "image/bmp",
+        "image/cgm",
+        "image/gif",
+        "image/jpeg",
+        "image/jpeg2000",
+        "image/png",
+        "image/svg+xml",
+        "image/tiff",
+        "image/x-compressed-xcf",
+        "image/x-pcx",
+        "image/x-photo-cd",
+        "image/x-psd",
+        "image/x-tga",
+        "image/x-xcf",
+        NULL}},
+    { N_("Presentation"),
+      { "application/vnd.ms-powerpoint",
+        "application/vnd.sun.xml.impress",
+        "application/vnd.oasis.opendocument.presentation",
+        "application/x-magicpoint",
+        "application/x-kpresenter",
+        "application/vnd.openxmlformats-officedocument.presentationml.presentation",
+        NULL}},
+    { N_("Spreadsheet"),
+      { "application/vnd.lotus-1-2-3",
+        "application/vnd.ms-excel",
+        "application/vnd.stardivision.calc",
+        "application/vnd.sun.xml.calc",
+        "application/vnd.oasis.opendocument.spreadsheet",
+        "application/x-applix-spreadsheet",
+        "application/x-gnumeric",
+        "application/x-kspread",
+        "application/x-kspread-crypt",
+        "application/x-quattropro",
+        "application/x-sc",
+        "application/x-siag",
+        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+        NULL}},
+    { N_("Text File"),
+      { "text/plain",
+        NULL}},
+    { N_("Video"),
+      { "video/mp4",
+        "video/3gpp",
+        "video/mpeg",
+        "video/quicktime",
+        "video/vivo",
+        "video/x-avi",
+        "video/x-mng",
+        "video/x-ms-asf",
+        "video/x-ms-wmv",
+        "video/x-msvideo",
+        "video/x-nsv",
+        "video/x-real-video",
+        NULL}}
+};
+
+/* Number of seconds until cancel dialog shows up */
+#define DELAY_UNTIL_CANCEL_MSECS 5000
+
+#define SILENT_WINDOW_OPEN_LIMIT 5
+#define SILENT_OPEN_LIMIT 5
+
+/* This number controls a maximum character count for a URL that is
+ * displayed as part of a dialog. It's fairly arbitrary -- big enough
+ * to allow most "normal" URIs to display in full, but small enough to
+ * prevent the dialog from getting insanely wide.
+ */
+#define MAX_URI_IN_DIALOG_LENGTH 60
+
+static void activate_files_internal (ActivateParameters *parameters);
+static void cancel_activate_callback (gpointer callback_data);
+static void activate_activation_uris_ready_callback (GList   *files,
+                                                     gpointer callback_data);
+static void activation_mount_mountables (ActivateParameters *parameters);
+static void activation_start_mountables (ActivateParameters *parameters);
+static void activate_callback (GList   *files,
+                               gpointer callback_data);
+static void activation_mount_not_mounted (ActivateParameters *parameters);
+
+static void
+launch_location_free (LaunchLocation *location)
+{
+    nautilus_file_unref (location->file);
+    g_free (location->uri);
+    g_free (location);
+}
+
+static void
+launch_location_list_free (GList *list)
+{
+    g_list_foreach (list, (GFunc) launch_location_free, NULL);
+    g_list_free (list);
+}
+
+static GList *
+get_file_list_for_launch_locations (GList *locations)
+{
+    GList *files, *l;
+    LaunchLocation *location;
+
+    files = NULL;
+    for (l = locations; l != NULL; l = l->next)
+    {
+        location = l->data;
+
+        files = g_list_prepend (files,
+                                nautilus_file_ref (location->file));
+    }
+    return g_list_reverse (files);
+}
+
+
+static LaunchLocation *
+launch_location_from_file (NautilusFile *file)
+{
+    LaunchLocation *location;
+    location = g_new (LaunchLocation, 1);
+    location->file = nautilus_file_ref (file);
+    location->uri = nautilus_file_get_uri (file);
+
+    return location;
+}
+
+static void
+launch_location_update_from_file (LaunchLocation *location,
+                                  NautilusFile   *file)
+{
+    nautilus_file_unref (location->file);
+    g_free (location->uri);
+    location->file = nautilus_file_ref (file);
+    location->uri = nautilus_file_get_uri (file);
+}
+
+static void
+launch_location_update_from_uri (LaunchLocation *location,
+                                 const char     *uri)
+{
+    nautilus_file_unref (location->file);
+    g_free (location->uri);
+    location->file = nautilus_file_get_by_uri (uri);
+    location->uri = g_strdup (uri);
+}
+
+static LaunchLocation *
+find_launch_location_for_file (GList        *list,
+                               NautilusFile *file)
+{
+    LaunchLocation *location;
+    GList *l;
+
+    for (l = list; l != NULL; l = l->next)
+    {
+        location = l->data;
+
+        if (location->file == file)
+        {
+            return location;
+        }
+    }
+    return NULL;
+}
+
+static GList *
+launch_locations_from_file_list (GList *list)
+{
+    GList *new;
+
+    new = NULL;
+    while (list)
+    {
+        new = g_list_prepend (new,
+                              launch_location_from_file (list->data));
+        list = list->next;
+    }
+    new = g_list_reverse (new);
+    return new;
+}
+
+static ApplicationLaunchParameters *
+application_launch_parameters_new (GAppInfo *application,
+                                   GList    *uris)
+{
+    ApplicationLaunchParameters *result;
+
+    result = g_new0 (ApplicationLaunchParameters, 1);
+    result->application = g_object_ref (application);
+    result->uris = g_list_copy_deep (uris, (GCopyFunc) g_strdup, NULL);
+
+    return result;
+}
+
+static void
+application_launch_parameters_free (ApplicationLaunchParameters *parameters)
+{
+    g_object_unref (parameters->application);
+    g_list_free_full (parameters->uris, g_free);
+
+    g_free (parameters);
+}
+
+static gboolean
+nautilus_mime_actions_check_if_required_attributes_ready (NautilusFile *file)
+{
+    NautilusFileAttributes attributes;
+    gboolean ready;
+
+    attributes = nautilus_mime_actions_get_required_file_attributes ();
+    ready = nautilus_file_check_if_ready (file, attributes);
+
+    return ready;
+}
+
+NautilusFileAttributes
+nautilus_mime_actions_get_required_file_attributes (void)
+{
+    return NAUTILUS_FILE_ATTRIBUTE_INFO;
+}
+
+GAppInfo *
+nautilus_mime_get_default_application_for_file (NautilusFile *file)
+{
+    GAppInfo *app;
+    char *mime_type;
+    char *uri_scheme;
+
+    if (!nautilus_mime_actions_check_if_required_attributes_ready (file))
+    {
+        return NULL;
+    }
+
+    mime_type = nautilus_file_get_mime_type (file);
+    app = g_app_info_get_default_for_type (mime_type,
+                                           !nautilus_file_has_local_path (file));
+    g_free (mime_type);
+
+    if (app == NULL)
+    {
+        uri_scheme = nautilus_file_get_uri_scheme (file);
+        if (uri_scheme != NULL)
+        {
+            app = g_app_info_get_default_for_uri_scheme (uri_scheme);
+            g_free (uri_scheme);
+        }
+    }
+
+    return app;
+}
+
+static int
+file_compare_by_mime_type (NautilusFile *file_a,
+                           NautilusFile *file_b)
+{
+    char *mime_type_a, *mime_type_b;
+    int ret;
+
+    mime_type_a = nautilus_file_get_mime_type (file_a);
+    mime_type_b = nautilus_file_get_mime_type (file_b);
+
+    ret = strcmp (mime_type_a, mime_type_b);
+
+    g_free (mime_type_a);
+    g_free (mime_type_b);
+
+    return ret;
+}
+
+static int
+file_compare_by_parent_uri (NautilusFile *file_a,
+                            NautilusFile *file_b)
+{
+    char *parent_uri_a, *parent_uri_b;
+    int ret;
+
+    parent_uri_a = nautilus_file_get_parent_uri (file_a);
+    parent_uri_b = nautilus_file_get_parent_uri (file_b);
+
+    ret = strcmp (parent_uri_a, parent_uri_b);
+
+    g_free (parent_uri_a);
+    g_free (parent_uri_b);
+
+    return ret;
+}
+
+GAppInfo *
+nautilus_mime_get_default_application_for_files (GList *files)
+{
+    GList *l, *sorted_files;
+    NautilusFile *file;
+    GAppInfo *app, *one_app;
+
+    g_assert (files != NULL);
+
+    sorted_files = g_list_sort (g_list_copy (files), (GCompareFunc) file_compare_by_mime_type);
+
+    app = NULL;
+    for (l = sorted_files; l != NULL; l = l->next)
+    {
+        file = l->data;
+
+        if (l->prev &&
+            file_compare_by_mime_type (file, l->prev->data) == 0 &&
+            file_compare_by_parent_uri (file, l->prev->data) == 0)
+        {
+            continue;
+        }
+
+        one_app = nautilus_mime_get_default_application_for_file (file);
+        if (one_app == NULL || (app != NULL && !g_app_info_equal (app, one_app)))
+        {
+            if (app)
+            {
+                g_object_unref (app);
+            }
+            if (one_app)
+            {
+                g_object_unref (one_app);
+            }
+            app = NULL;
+            break;
+        }
+
+        if (app == NULL)
+        {
+            app = one_app;
+        }
+        else
+        {
+            g_object_unref (one_app);
+        }
+    }
+
+    g_list_free (sorted_files);
+
+    return app;
+}
+
+static void
+trash_or_delete_files (GtkWindow   *parent_window,
+                       const GList *files,
+                       gboolean     delete_if_all_already_in_trash)
+{
+    GList *locations;
+    const GList *node;
+
+    locations = NULL;
+    for (node = files; node != NULL; node = node->next)
+    {
+        locations = g_list_prepend (locations,
+                                    nautilus_file_get_location ((NautilusFile *) node->data));
+    }
+
+    locations = g_list_reverse (locations);
+
+    nautilus_file_operations_trash_or_delete_async (locations,
+                                                    parent_window,
+                                                    NULL,
+                                                    NULL, NULL);
+    g_list_free_full (locations, g_object_unref);
+}
+
+typedef struct
+{
+    GtkWindow *parent_window;
+    NautilusFile *file;
+} TrashBrokenSymbolicLinkData;
+
+static void
+trash_symbolic_link_cb (GtkDialog *dialog,
+                        char      *response,
+                        gpointer   user_data)
+{
+    g_autofree TrashBrokenSymbolicLinkData *data = NULL;
+    GList file_as_list;
+
+    data = user_data;
+
+    if (g_strcmp0 (response, "move-to-trash") == 0)
+    {
+        file_as_list.data = data->file;
+        file_as_list.next = NULL;
+        file_as_list.prev = NULL;
+        trash_or_delete_files (data->parent_window, &file_as_list, TRUE);
+    }
+}
+
+static void
+report_broken_symbolic_link (GtkWindow    *parent_window,
+                             NautilusFile *file)
+{
+    char *target_path;
+    char *display_name;
+    char *detail;
+    GtkWidget *dialog;
+    TrashBrokenSymbolicLinkData *data;
+
+    gboolean can_trash;
+
+    g_assert (nautilus_file_is_broken_symbolic_link (file));
+
+    display_name = nautilus_file_get_display_name (file);
+    can_trash = nautilus_file_can_trash (file) && !nautilus_file_is_in_trash (file);
+
+    target_path = nautilus_file_get_symbolic_link_target_path (file);
+    if (target_path == NULL)
+    {
+        detail = g_strdup (_("This link cannot be used because it has no target."));
+    }
+    else
+    {
+        detail = g_strdup_printf (_("This link cannot be used because its target "
+                                    "“%s” doesn’t exist."), target_path);
+    }
+
+    if (can_trash)
+    {
+        dialog = adw_message_dialog_new (parent_window, NULL, detail);
+        adw_message_dialog_format_heading (ADW_MESSAGE_DIALOG (dialog),
+                                           _("The link “%s” is broken. Move it to Trash?"),
+                                           display_name);
+        adw_message_dialog_add_responses (ADW_MESSAGE_DIALOG (dialog),
+                                          "cancel", _("_Cancel"),
+                                          "move-to-trash", _("Mo_ve to Trash"),
+                                          NULL);
+    }
+    else
+    {
+        dialog = adw_message_dialog_new (parent_window, NULL, detail);
+        adw_message_dialog_format_heading (ADW_MESSAGE_DIALOG (dialog),
+                                           _("The link “%s” is broken."),
+                                           display_name);
+        adw_message_dialog_add_response (ADW_MESSAGE_DIALOG (dialog),
+                                         "cancel", _("Cancel"));
+    }
+    g_free (display_name);
+
+    adw_message_dialog_set_default_response (ADW_MESSAGE_DIALOG (dialog), "cancel");
+
+    /* Make this modal to avoid problems with reffing the view & file
+     * to keep them around in case the view changes, which would then
+     * cause the old view not to be destroyed, which would cause its
+     * merged Bonobo items not to be un-merged. Maybe we need to unmerge
+     * explicitly when disconnecting views instead of relying on the
+     * unmerge in Destroy. But since BonoboUIHandler is probably going
+     * to change wildly, I don't want to mess with this now.
+     */
+
+    data = g_new0 (TrashBrokenSymbolicLinkData, 1);
+    data->parent_window = parent_window;
+    data->file = file;
+
+    g_signal_connect (G_OBJECT (dialog),
+                      "response",
+                      G_CALLBACK (trash_symbolic_link_cb),
+                      data);
+
+    g_free (target_path);
+    g_free (detail);
+}
+
+static ActivationAction
+get_default_executable_text_file_action (void)
+{
+    return ACTIVATION_ACTION_OPEN_IN_APPLICATION;
+}
+
+static ActivationAction
+get_activation_action (NautilusFile *file)
+{
+    ActivationAction action;
+    char *activation_uri;
+    gboolean handles_extract = FALSE;
+    g_autoptr (GAppInfo) app_info = NULL;
+    const gchar *app_id;
+
+    app_info = nautilus_mime_get_default_application_for_file (file);
+    if (app_info != NULL)
+    {
+        app_id = g_app_info_get_id (app_info);
+        handles_extract = g_strcmp0 (app_id, NAUTILUS_DESKTOP_ID) == 0;
+    }
+    if (handles_extract && nautilus_file_is_archive (file))
+    {
+        return ACTIVATION_ACTION_EXTRACT;
+    }
+
+    activation_uri = nautilus_file_get_activation_uri (file);
+    if (activation_uri == NULL)
+    {
+        activation_uri = nautilus_file_get_uri (file);
+    }
+
+    action = ACTIVATION_ACTION_DO_NOTHING;
+    if (nautilus_file_is_launchable (file))
+    {
+        char *executable_path;
+
+        action = ACTIVATION_ACTION_LAUNCH;
+
+        executable_path = g_filename_from_uri (activation_uri, NULL, NULL);
+        if (!executable_path)
+        {
+            action = ACTIVATION_ACTION_DO_NOTHING;
+        }
+        else if (nautilus_file_contains_text (file))
+        {
+            action = get_default_executable_text_file_action ();
+        }
+        g_free (executable_path);
+    }
+
+    if (action == ACTIVATION_ACTION_DO_NOTHING)
+    {
+        if (nautilus_file_opens_in_view (file))
+        {
+            action = ACTIVATION_ACTION_OPEN_IN_VIEW;
+        }
+        else
+        {
+            action = ACTIVATION_ACTION_OPEN_IN_APPLICATION;
+        }
+    }
+    g_free (activation_uri);
+
+    return action;
+}
+
+gboolean
+nautilus_mime_file_extracts (NautilusFile *file)
+{
+    return get_activation_action (file) == ACTIVATION_ACTION_EXTRACT;
+}
+
+gboolean
+nautilus_mime_file_launches (NautilusFile *file)
+{
+    ActivationAction activation_action;
+
+    activation_action = get_activation_action (file);
+
+    return (activation_action == ACTIVATION_ACTION_LAUNCH);
+}
+
+gboolean
+nautilus_mime_file_opens_in_external_app (NautilusFile *file)
+{
+    ActivationAction activation_action;
+
+    activation_action = get_activation_action (file);
+
+    return (activation_action == ACTIVATION_ACTION_OPEN_IN_APPLICATION);
+}
+
+
+static unsigned int
+mime_application_hash (GAppInfo *app)
+{
+    const char *id;
+
+    id = g_app_info_get_id (app);
+
+    if (id == NULL)
+    {
+        return GPOINTER_TO_UINT (app);
+    }
+
+    return g_str_hash (id);
+}
+
+static void
+list_to_parameters_foreach (GAppInfo  *application,
+                            GList     *uris,
+                            GList    **ret)
+{
+    ApplicationLaunchParameters *parameters;
+
+    uris = g_list_reverse (uris);
+
+    parameters = application_launch_parameters_new
+                     (application, uris);
+    *ret = g_list_prepend (*ret, parameters);
+}
+
+
+/**
+ * make_activation_parameters
+ *
+ * Construct a list of ApplicationLaunchParameters from a list of NautilusFiles,
+ * where files that have the same default application are put into the same
+ * launch parameter, and others are put into the unhandled_files list.
+ *
+ * @files: Files to use for construction.
+ * @unhandled_files: Files without any default application will be put here.
+ *
+ * Return value: Newly allocated list of ApplicationLaunchParameters.
+ **/
+static GList *
+make_activation_parameters (GList  *uris,
+                            GList **unhandled_uris)
+{
+    GList *ret, *l, *app_uris;
+    NautilusFile *file;
+    GAppInfo *app, *old_app;
+    GHashTable *app_table;
+    char *uri;
+
+    ret = NULL;
+    *unhandled_uris = NULL;
+
+    app_table = g_hash_table_new_full
+                    ((GHashFunc) mime_application_hash,
+                    (GEqualFunc) g_app_info_equal,
+                    (GDestroyNotify) g_object_unref,
+                    (GDestroyNotify) g_list_free);
+
+    for (l = uris; l != NULL; l = l->next)
+    {
+        uri = l->data;
+        file = nautilus_file_get_by_uri (uri);
+
+        app = nautilus_mime_get_default_application_for_file (file);
+        if (app != NULL)
+        {
+            app_uris = NULL;
+
+            if (g_hash_table_lookup_extended (app_table, app,
+                                              (gpointer *) &old_app,
+                                              (gpointer *) &app_uris))
+            {
+                g_hash_table_steal (app_table, old_app);
+
+                app_uris = g_list_prepend (app_uris, uri);
+
+                g_object_unref (app);
+                app = old_app;
+            }
+            else
+            {
+                app_uris = g_list_prepend (NULL, uri);
+            }
+
+            g_hash_table_insert (app_table, app, app_uris);
+        }
+        else
+        {
+            *unhandled_uris = g_list_prepend (*unhandled_uris, uri);
+        }
+        nautilus_file_unref (file);
+    }
+
+    g_hash_table_foreach (app_table,
+                          (GHFunc) list_to_parameters_foreach,
+                          &ret);
+
+    g_hash_table_destroy (app_table);
+
+    *unhandled_uris = g_list_reverse (*unhandled_uris);
+
+    return g_list_reverse (ret);
+}
+
+static gboolean
+file_was_cancelled (NautilusFile *file)
+{
+    GError *error;
+
+    error = nautilus_file_get_file_info_error (file);
+    return
+        error != NULL &&
+        error->domain == G_IO_ERROR &&
+        error->code == G_IO_ERROR_CANCELLED;
+}
+
+static gboolean
+file_was_not_mounted (NautilusFile *file)
+{
+    GError *error;
+
+    error = nautilus_file_get_file_info_error (file);
+    return
+        error != NULL &&
+        error->domain == G_IO_ERROR &&
+        error->code == G_IO_ERROR_NOT_MOUNTED;
+}
+
+static void
+activation_parameters_free (ActivateParameters *parameters)
+{
+    if (parameters->timed_wait_active)
+    {
+        eel_timed_wait_stop (cancel_activate_callback, parameters);
+    }
+
+    if (parameters->slot)
+    {
+        g_object_remove_weak_pointer (G_OBJECT (parameters->slot), (gpointer *) &parameters->slot);
+    }
+    if (parameters->parent_window)
+    {
+        g_object_remove_weak_pointer (G_OBJECT (parameters->parent_window), (gpointer *) &parameters->parent_window);
+    }
+    g_object_unref (parameters->cancellable);
+    launch_location_list_free (parameters->locations);
+    nautilus_file_list_free (parameters->mountables);
+    nautilus_file_list_free (parameters->start_mountables);
+    nautilus_file_list_free (parameters->not_mounted);
+    g_free (parameters->activation_directory);
+    g_free (parameters->timed_wait_prompt);
+    g_assert (parameters->files_handle == NULL);
+    g_clear_pointer (&parameters->open_in_view_files, g_queue_free);
+    g_clear_pointer (&parameters->open_in_app_uris, g_queue_free);
+    g_clear_pointer (&parameters->launch_files, g_queue_free);
+    g_clear_pointer (&parameters->launch_in_terminal_files, g_queue_free);
+    g_list_free (parameters->open_in_app_parameters);
+    g_list_free (parameters->unhandled_open_in_app_uris);
+    g_free (parameters);
+}
+
+static void
+application_launch_async_parameters_free (ApplicationLaunchAsyncParameters *parameters)
+{
+    g_queue_free (parameters->uris);
+    activation_parameters_free (parameters->activation_params);
+
+    g_free (parameters);
+}
+
+static void
+cancel_activate_callback (gpointer callback_data)
+{
+    ActivateParameters *parameters = callback_data;
+
+    parameters->timed_wait_active = FALSE;
+
+    g_cancellable_cancel (parameters->cancellable);
+
+    if (parameters->files_handle)
+    {
+        nautilus_file_list_cancel_call_when_ready (parameters->files_handle);
+        parameters->files_handle = NULL;
+        activation_parameters_free (parameters);
+    }
+}
+
+static void
+activation_start_timed_cancel (ActivateParameters *parameters)
+{
+    parameters->timed_wait_active = TRUE;
+    eel_timed_wait_start_with_duration
+        (DELAY_UNTIL_CANCEL_MSECS,
+        cancel_activate_callback,
+        parameters,
+        parameters->timed_wait_prompt,
+        parameters->parent_window);
+}
+
+static void
+pause_activation_timed_cancel (ActivateParameters *parameters)
+{
+    if (parameters->timed_wait_active)
+    {
+        eel_timed_wait_stop (cancel_activate_callback, parameters);
+        parameters->timed_wait_active = FALSE;
+    }
+}
+
+static void
+unpause_activation_timed_cancel (ActivateParameters *parameters)
+{
+    if (!parameters->timed_wait_active)
+    {
+        activation_start_timed_cancel (parameters);
+    }
+}
+
+
+static void
+activate_mount_op_active (GtkMountOperation  *operation,
+                          GParamSpec         *pspec,
+                          ActivateParameters *parameters)
+{
+    gboolean is_active;
+
+    g_object_get (operation, "is-showing", &is_active, NULL);
+
+    if (is_active)
+    {
+        pause_activation_timed_cancel (parameters);
+    }
+    else
+    {
+        unpause_activation_timed_cancel (parameters);
+    }
+}
+
+static void
+on_confirm_multiple_windows_response (GtkDialog          *dialog,
+                                      gchar              *response,
+                                      ActivateParameters *parameters)
+{
+    if (g_strcmp0 (response, "open-all") == 0)
+    {
+        unpause_activation_timed_cancel (parameters);
+        activate_files_internal (parameters);
+    }
+    else
+    {
+        activation_parameters_free (parameters);
+    }
+}
+
+static void
+show_confirm_multiple (ActivateParameters *parameters,
+                       int                 window_count,
+                       int                 tab_count)
+{
+    GtkWindow *parent_window = parameters->parent_window;
+    GtkWidget *dialog;
+    char *prompt;
+    char *detail;
+
+    prompt = _("Are you sure you want to open all files?");
+    if (tab_count > 0 && window_count > 0)
+    {
+        int count = tab_count + window_count;
+        detail = g_strdup_printf (ngettext ("This will open %d separate tab and window.",
+                                            "This will open %d separate tabs and windows.", count), count);
+    }
+    else if (tab_count > 0)
+    {
+        detail = g_strdup_printf (ngettext ("This will open %d separate tab.",
+                                            "This will open %d separate tabs.", tab_count), tab_count);
+    }
+    else
+    {
+        detail = g_strdup_printf (ngettext ("This will open %d separate window.",
+                                            "This will open %d separate windows.", window_count), window_count);
+    }
+
+    dialog = adw_message_dialog_new (parent_window, prompt, detail);
+    adw_message_dialog_add_responses (ADW_MESSAGE_DIALOG (dialog),
+                                      "cancel", _("_Cancel"),
+                                      "open-all", _("_Open All"),
+                                      NULL);
+
+    adw_message_dialog_set_default_response (ADW_MESSAGE_DIALOG (dialog), "open-all");
+
+    g_signal_connect (dialog, "response",
+                      G_CALLBACK (on_confirm_multiple_windows_response), parameters);
+    gtk_window_present (GTK_WINDOW (dialog));
+
+    g_free (detail);
+}
+
+typedef struct
+{
+    NautilusWindowSlot *slot;
+    GtkWindow *parent_window;
+    NautilusFile *file;
+    GList *files;
+    NautilusOpenFlags flags;
+    char *activation_directory;
+    gboolean user_confirmation;
+    char *uri;
+    GDBusProxy *proxy;
+    GtkWidget *dialog;
+} ActivateParametersInstall;
+
+static void
+activate_parameters_install_free (ActivateParametersInstall *parameters_install)
+{
+    if (parameters_install->slot)
+    {
+        g_object_remove_weak_pointer (G_OBJECT (parameters_install->slot), (gpointer *) &parameters_install->slot);
+    }
+    if (parameters_install->parent_window)
+    {
+        g_object_remove_weak_pointer (G_OBJECT (parameters_install->parent_window), (gpointer *) &parameters_install->parent_window);
+    }
+
+    if (parameters_install->proxy != NULL)
+    {
+        g_object_unref (parameters_install->proxy);
+    }
+
+    nautilus_file_unref (parameters_install->file);
+    nautilus_file_list_free (parameters_install->files);
+    g_free (parameters_install->activation_directory);
+    g_free (parameters_install->uri);
+    g_free (parameters_install);
+}
+
+static char *
+get_application_no_mime_type_handler_message (NautilusFile *file,
+                                              char         *uri)
+{
+    char *uri_for_display;
+    char *name;
+    char *error_message;
+
+    name = nautilus_file_get_display_name (file);
+
+    /* Truncate the URI so it doesn't get insanely wide. Note that even
+     * though the dialog uses wrapped text, if the URI doesn't contain
+     * white space then the text-wrapping code is too stupid to wrap it.
+     */
+    uri_for_display = eel_str_middle_truncate (name, MAX_URI_IN_DIALOG_LENGTH);
+    error_message = g_strdup_printf (_("Could Not Display “%s”"), uri_for_display);
+    g_free (uri_for_display);
+    g_free (name);
+
+    return error_message;
+}
+
+static void
+open_with_response_cb (GtkDialog *dialog,
+                       gint       response_id,
+                       gpointer   user_data)
+{
+    GtkWindow *parent_window;
+    NautilusFile *file;
+    GList files;
+    GAppInfo *info;
+    ActivateParametersInstall *parameters = user_data;
+
+    if (response_id != GTK_RESPONSE_OK)
+    {
+        gtk_window_destroy (GTK_WINDOW (dialog));
+        return;
+    }
+
+    parent_window = parameters->parent_window;
+    file = g_object_get_data (G_OBJECT (dialog), "mime-action:file");
+    info = gtk_app_chooser_get_app_info (GTK_APP_CHOOSER (dialog));
+
+    gtk_window_destroy (GTK_WINDOW (dialog));
+
+    g_signal_emit_by_name (nautilus_signaller_get_current (), "mime-data-changed");
+
+    files.next = NULL;
+    files.prev = NULL;
+    files.data = file;
+    nautilus_launch_application (info, &files, parent_window);
+
+    g_object_unref (info);
+
+    activate_parameters_install_free (parameters);
+}
+
+static void
+choose_program (GtkDialog *message_dialog,
+                gchar     *response,
+                gpointer   callback_data)
+{
+    GtkWidget *dialog;
+    NautilusFile *file;
+    GFile *location;
+    ActivateParametersInstall *parameters = callback_data;
+
+    if (g_strcmp0 (response, "select-application") != 0)
+    {
+        activate_parameters_install_free (parameters);
+        return;
+    }
+
+    file = g_object_get_data (G_OBJECT (message_dialog), "mime-action:file");
+
+    g_assert (NAUTILUS_IS_FILE (file));
+
+    location = nautilus_file_get_location (file);
+    nautilus_file_ref (file);
+
+    /* Destroy the message dialog after ref:ing the file */
+    gtk_window_destroy (GTK_WINDOW (message_dialog));
+
+    dialog = gtk_app_chooser_dialog_new (parameters->parent_window,
+                                         GTK_DIALOG_MODAL,
+                                         location);
+    g_object_set_data_full (G_OBJECT (dialog),
+                            "mime-action:file",
+                            nautilus_file_ref (file),
+                            (GDestroyNotify) nautilus_file_unref);
+
+    gtk_widget_show (dialog);
+
+    g_signal_connect (dialog,
+                      "response",
+                      G_CALLBACK (open_with_response_cb),
+                      parameters);
+
+    g_object_unref (location);
+    nautilus_file_unref (file);
+}
+
+static void
+show_unhandled_type_error (ActivateParametersInstall *parameters)
+{
+    GtkWidget *dialog;
+    g_autofree char *body = NULL;
+    g_autofree char *content_type_description = NULL;
+
+    char *mime_type = nautilus_file_get_mime_type (parameters->file);
+    char *error_message = get_application_no_mime_type_handler_message (parameters->file, parameters->uri);
+
+    if (g_content_type_is_unknown (mime_type))
+    {
+        body = g_strdup (_("The file is of an unknown type"));
+    }
+    else
+    {
+        content_type_description = g_content_type_get_description (mime_type);
+        body = g_strdup_printf (_("There is no application installed for “%s” files"), content_type_description);
+    }
+
+    dialog = adw_message_dialog_new (parameters->parent_window, error_message, body);
+    adw_message_dialog_add_responses (ADW_MESSAGE_DIALOG (dialog),
+                                      "select-application", _("_Select Application"),
+                                      "ok", _("_OK"),
+                                      NULL);
+    adw_message_dialog_set_default_response (ADW_MESSAGE_DIALOG (dialog), "ok");
+
+    g_object_set_data_full (G_OBJECT (dialog),
+                            "mime-action:file",
+                            nautilus_file_ref (parameters->file),
+                            (GDestroyNotify) nautilus_file_unref);
+
+    gtk_window_present (GTK_WINDOW (dialog));
+
+    g_signal_connect (dialog, "response",
+                      G_CALLBACK (choose_program), parameters);
+
+    g_free (error_message);
+    g_free (mime_type);
+}
+
+static void
+search_for_application_dbus_call_notify_cb (GDBusProxy   *proxy,
+                                            GAsyncResult *result,
+                                            gpointer      user_data)
+{
+    ActivateParametersInstall *parameters_install = user_data;
+    GVariant *variant;
+    GError *error = NULL;
+
+    variant = g_dbus_proxy_call_finish (proxy, result, &error);
+    if (variant == NULL)
+    {
+        if (!g_dbus_error_is_remote_error (error) ||
+            g_strcmp0 (g_dbus_error_get_remote_error (error), "org.freedesktop.PackageKit.Modify.Failed") == 0)
+        {
+            char *message;
+
+            message = g_strdup_printf ("%s\n%s",
+                                       _("There was an internal error trying to search for applications:"),
+                                       error->message);
+            show_dialog (_("Unable to search for application"),
+                         message,
+                         parameters_install->parent_window,
+                         GTK_MESSAGE_ERROR);
+            g_free (message);
+        }
+        else
+        {
+            g_warning ("Error while trying to search for applications: %s",
+                       error->message);
+        }
+
+        g_error_free (error);
+        activate_parameters_install_free (parameters_install);
+        return;
+    }
+
+    g_variant_unref (variant);
+
+    activate_parameters_install_free (parameters_install);
+}
+
+static void
+search_for_application_mime_type (ActivateParametersInstall *parameters_install,
+                                  const gchar               *mime_type)
+{
+    gchar *desktop_startup_id;
+
+    g_assert (parameters_install->proxy != NULL);
+
+    desktop_startup_id = g_strdup_printf ("_TIME%i", (guint32) GDK_CURRENT_TIME);
+
+    g_dbus_proxy_call (parameters_install->proxy,
+                       "InstallMimeTypes",
+                       g_variant_new_parsed ("([%s], %s, %s, [{%s, %v}])",
+                                             mime_type,
+                                             "hide-confirm-search",
+                                             APPLICATION_ID,
+                                             "desktop-startup-id",
+                                             g_variant_new_take_string (desktop_startup_id)),
+                       G_DBUS_CALL_FLAGS_NONE,
+                       G_MAXINT /* no timeout */,
+                       NULL /* cancellable */,
+                       (GAsyncReadyCallback) search_for_application_dbus_call_notify_cb,
+                       parameters_install);
+
+    DEBUG ("InstallMimeType method invoked for %s", mime_type);
+}
+
+static void
+application_unhandled_file_install (GtkDialog                 *dialog,
+                                    gchar                     *response,
+                                    ActivateParametersInstall *parameters_install)
+{
+    char *mime_type;
+
+    parameters_install->dialog = NULL;
+
+    if (g_strcmp0 (response, "search-in-software") == 0)
+    {
+        mime_type = nautilus_file_get_mime_type (parameters_install->file);
+        search_for_application_mime_type (parameters_install, mime_type);
+        g_free (mime_type);
+    }
+    else
+    {
+        /* free as we're not going to get the async dbus callback */
+        activate_parameters_install_free (parameters_install);
+    }
+}
+
+static void
+pk_proxy_appeared_cb (GObject      *source,
+                      GAsyncResult *res,
+                      gpointer      user_data)
+{
+    ActivateParametersInstall *parameters_install = user_data;
+    char *mime_type, *name_owner;
+    char *error_message;
+    GtkWidget *dialog;
+    GDBusProxy *proxy;
+    GError *error = NULL;
+    g_autofree char *content_type_description = NULL;
+
+    proxy = g_dbus_proxy_new_for_bus_finish (res, &error);
+    name_owner = g_dbus_proxy_get_name_owner (proxy);
+
+    if (error != NULL || name_owner == NULL)
+    {
+        g_warning ("Couldn't call Modify on the PackageKit interface: %s",
+                   error != NULL ? error->message : "no owner for PackageKit");
+        g_clear_error (&error);
+
+        /* show an unhelpful dialog */
+        show_unhandled_type_error (parameters_install);
+
+        return;
+    }
+
+    g_free (name_owner);
+
+    mime_type = nautilus_file_get_mime_type (parameters_install->file);
+    content_type_description = g_content_type_get_description (mime_type);
+    error_message = get_application_no_mime_type_handler_message (parameters_install->file,
+                                                                  parameters_install->uri);
+    /* use a custom dialog to prompt the user to install new software */
+    dialog = adw_message_dialog_new (parameters_install->parent_window, error_message, NULL);
+    adw_message_dialog_add_responses (ADW_MESSAGE_DIALOG (dialog),
+                                      "cancel", _("_Cancel"),
+                                      "search-in-software", _("_Search in Software"),
+                                      NULL);
+    adw_message_dialog_format_body (ADW_MESSAGE_DIALOG (dialog),
+                                    _("There is no application installed for “%s” files. "
+                                      "Do you want to search for an application to open this file?"),
+                                    content_type_description);
+
+    adw_message_dialog_set_default_response (ADW_MESSAGE_DIALOG (dialog), "search-in-software");
+
+    parameters_install->dialog = dialog;
+    parameters_install->proxy = proxy;
+
+    g_signal_connect (dialog, "response",
+                      G_CALLBACK (application_unhandled_file_install),
+                      parameters_install);
+    gtk_window_present (GTK_WINDOW (dialog));
+    g_free (mime_type);
+}
+
+static void
+application_unhandled_uri (ActivateParameters *parameters,
+                           char               *uri)
+{
+    gboolean show_install_mime;
+    char *mime_type;
+    NautilusFile *file;
+    ActivateParametersInstall *parameters_install;
+
+    file = nautilus_file_get_by_uri (uri);
+
+    mime_type = nautilus_file_get_mime_type (file);
+
+    /* copy the parts of parameters we are interested in as the orignal will be unref'd */
+    parameters_install = g_new0 (ActivateParametersInstall, 1);
+    parameters_install->slot = parameters->slot;
+    g_object_add_weak_pointer (G_OBJECT (parameters_install->slot), (gpointer *) &parameters_install->slot);
+    if (parameters->parent_window)
+    {
+        parameters_install->parent_window = parameters->parent_window;
+        g_object_add_weak_pointer (G_OBJECT (parameters_install->parent_window), (gpointer *) &parameters_install->parent_window);
+    }
+    parameters_install->activation_directory = g_strdup (parameters->activation_directory);
+    parameters_install->file = file;
+    parameters_install->files = get_file_list_for_launch_locations (parameters->locations);
+    parameters_install->flags = parameters->flags;
+    parameters_install->user_confirmation = parameters->user_confirmation;
+    parameters_install->uri = g_strdup (uri);
+
+#ifdef ENABLE_PACKAGEKIT
+    /* allow an admin to disable the PackageKit search functionality */
+    show_install_mime = g_settings_get_boolean (nautilus_preferences, NAUTILUS_PREFERENCES_INSTALL_MIME_ACTIVATION);
+#else
+    /* we have no install functionality */
+    show_install_mime = FALSE;
+#endif
+    /* There is no use trying to look for handlers of application/octet-stream */
+    if (g_content_type_is_unknown (mime_type))
+    {
+        show_install_mime = FALSE;
+    }
+
+    g_free (mime_type);
+
+    if (!show_install_mime)
+    {
+        goto out;
+    }
+
+    g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                              G_DBUS_PROXY_FLAGS_NONE,
+                              NULL,
+                              "org.freedesktop.PackageKit",
+                              "/org/freedesktop/PackageKit",
+                              "org.freedesktop.PackageKit.Modify2",
+                              NULL,
+                              pk_proxy_appeared_cb,
+                              parameters_install);
+
+    return;
+
+out:
+    /* show an unhelpful dialog */
+    show_unhandled_type_error (parameters_install);
+}
+
+static void
+launch_default_for_uris_callback (GObject      *source_object,
+                                  GAsyncResult *res,
+                                  gpointer      user_data)
+{
+    ApplicationLaunchAsyncParameters *params;
+    ActivateParameters *activation_params;
+    char *uri;
+    g_autoptr (GError) error = NULL;
+
+    params = user_data;
+    activation_params = params->activation_params;
+    uri = g_queue_pop_head (params->uris);
+
+    nautilus_launch_default_for_uri_finish (res, &error);
+    if (error == NULL)
+    {
+        gtk_recent_manager_add_item (gtk_recent_manager_get_default (), uri);
+    }
+
+    if (!g_queue_is_empty (params->uris))
+    {
+        nautilus_launch_default_for_uri_async (g_queue_peek_head (params->uris),
+                                               activation_params->parent_window,
+                                               activation_params->cancellable,
+                                               launch_default_for_uris_callback,
+                                               params);
+    }
+    else
+    {
+        application_launch_async_parameters_free (params);
+    }
+}
+
+static void
+activate_files (ActivateParameters *parameters)
+{
+    NautilusFile *file;
+    int count;
+    gint num_windows = 0;
+    gint num_tabs = 0;
+    GList *l;
+    ActivationAction action;
+
+    parameters->launch_files = g_queue_new ();
+    parameters->launch_in_terminal_files = g_queue_new ();
+    parameters->open_in_view_files = g_queue_new ();
+    parameters->open_in_app_uris = g_queue_new ();
+
+    for (l = parameters->locations; l != NULL; l = l->next)
+    {
+        LaunchLocation *location;
+
+        location = l->data;
+        file = location->file;
+
+        if (file_was_cancelled (file))
+        {
+            continue;
+        }
+
+        action = get_activation_action (file);
+
+        switch (action)
+        {
+            case ACTIVATION_ACTION_LAUNCH:
+            {
+                g_queue_push_tail (parameters->launch_files, file);
+            }
+            break;
+
+            case ACTIVATION_ACTION_LAUNCH_IN_TERMINAL:
+            {
+                g_queue_push_tail (parameters->launch_in_terminal_files, file);
+            }
+            break;
+
+            case ACTIVATION_ACTION_OPEN_IN_VIEW:
+            {
+                g_queue_push_tail (parameters->open_in_view_files, file);
+            }
+            break;
+
+            case ACTIVATION_ACTION_OPEN_IN_APPLICATION:
+            {
+                g_queue_push_tail (parameters->open_in_app_uris, location->uri);
+            }
+            break;
+
+            case ACTIVATION_ACTION_DO_NOTHING:
+            {
+            }
+            break;
+
+            case ACTIVATION_ACTION_EXTRACT:
+            {
+                /* Extraction of files should be handled in the view */
+                g_assert_not_reached ();
+            }
+            break;
+        }
+    }
+
+    count = g_queue_get_length (parameters->open_in_view_files);
+    if (count > 1)
+    {
+        if ((parameters->flags & NAUTILUS_OPEN_FLAG_NEW_WINDOW) == 0)
+        {
+            parameters->flags |= NAUTILUS_OPEN_FLAG_NEW_TAB;
+            num_tabs += count;
+        }
+        else
+        {
+            parameters->flags |= NAUTILUS_OPEN_FLAG_NEW_WINDOW;
+            num_windows += count;
+        }
+    }
+
+    if (parameters->open_in_app_uris != NULL)
+    {
+        if (nautilus_application_is_sandboxed ())
+        {
+            num_windows += g_queue_get_length (parameters->open_in_app_uris);
+        }
+        else
+        {
+            parameters->open_in_app_parameters = make_activation_parameters (g_queue_peek_head_link (parameters->open_in_app_uris),
+                                                                             &parameters->unhandled_open_in_app_uris);
+            num_windows += g_list_length (parameters->open_in_app_parameters);
+            num_windows += g_list_length (parameters->unhandled_open_in_app_uris);
+        }
+    }
+
+    num_windows += g_queue_get_length (parameters->launch_files);
+    num_windows += g_queue_get_length (parameters->launch_in_terminal_files);
+
+    if (parameters->user_confirmation &&
+        num_tabs + num_windows > SILENT_OPEN_LIMIT)
+    {
+        pause_activation_timed_cancel (parameters);
+        show_confirm_multiple (parameters, num_windows, num_tabs);
+    }
+    else
+    {
+        activate_files_internal (parameters);
+    }
+}
+
+static void
+activate_files_internal (ActivateParameters *parameters)
+{
+    NautilusFile *file;
+    ApplicationLaunchParameters *one_parameters;
+    g_autofree char *old_working_dir = NULL;
+    GdkDisplay *display;
+    GList *l;
+
+    if (parameters->activation_directory &&
+        (!g_queue_is_empty (parameters->launch_files) ||
+         !g_queue_is_empty (parameters->launch_in_terminal_files)))
+    {
+        old_working_dir = g_get_current_dir ();
+        g_chdir (parameters->activation_directory);
+    }
+
+    display = gtk_widget_get_display (GTK_WIDGET (parameters->parent_window));
+    for (l = g_queue_peek_head_link (parameters->launch_files); l != NULL; l = l->next)
+    {
+        g_autofree char *uri = NULL;
+        g_autofree char *executable_path = NULL;
+        g_autofree char *quoted_path = NULL;
+
+        file = NAUTILUS_FILE (l->data);
+
+        uri = nautilus_file_get_activation_uri (file);
+        executable_path = g_filename_from_uri (uri, NULL, NULL);
+        quoted_path = g_shell_quote (executable_path);
+
+        DEBUG ("Launching file path %s", quoted_path);
+
+        nautilus_launch_application_from_command (display, quoted_path, FALSE, NULL);
+    }
+
+    for (l = g_queue_peek_head_link (parameters->launch_in_terminal_files); l != NULL; l = l->next)
+    {
+        g_autofree char *uri = NULL;
+        g_autofree char *executable_path = NULL;
+        g_autofree char *quoted_path = NULL;
+
+        file = NAUTILUS_FILE (l->data);
+
+        uri = nautilus_file_get_activation_uri (file);
+        executable_path = g_filename_from_uri (uri, NULL, NULL);
+        quoted_path = g_shell_quote (executable_path);
+
+        DEBUG ("Launching in terminal file quoted path %s", quoted_path);
+
+        nautilus_launch_application_from_command (display, quoted_path, TRUE, NULL);
+    }
+
+    if (old_working_dir != NULL)
+    {
+        g_chdir (old_working_dir);
+    }
+
+    if (parameters->slot != NULL)
+    {
+        if ((parameters->flags & NAUTILUS_OPEN_FLAG_NEW_TAB) != 0)
+        {
+            /* When inserting N tabs after the current one,
+             * we first open tab N, then tab N-1, ..., then tab 0.
+             * Each of them is appended to the current tab, i.e.
+             * prepended to the list of tabs to open.
+             */
+            g_queue_reverse (parameters->open_in_view_files);
+        }
+
+        for (l = g_queue_peek_head_link (parameters->open_in_view_files); l != NULL; l = l->next)
+        {
+            g_autofree char *uri = NULL;
+            g_autoptr (GFile) location = NULL;
+            g_autoptr (GFile) location_with_permissions = NULL;
+            /* The ui should ask for navigation or object windows
+             * depending on what the current one is */
+            file = NAUTILUS_FILE (l->data);
+            uri = nautilus_file_get_activation_uri (file);
+            location = g_file_new_for_uri (uri);
+            if (g_file_is_native (location) &&
+                (nautilus_file_is_in_admin (file) ||
+                 !nautilus_file_can_read (file) ||
+                 !nautilus_file_can_execute (file)))
+            {
+                g_autofree gchar *file_path = NULL;
+
+                g_free (uri);
+
+                file_path = g_file_get_path (location);
+                uri = g_strconcat ("admin://", file_path, NULL);
+            }
+
+            location_with_permissions = g_file_new_for_uri (uri);
+            /* FIXME: we need to pass the parent_window, but we only use it for the current active window,
+             * which nautilus-application should take care of. However is not working and creating regressions
+             * in some cases. Until we figure out what's going on, continue to use the parameters->slot
+             * to make splicit the window we want to use for activating the files */
+            nautilus_application_open_location_full (NAUTILUS_APPLICATION (g_application_get_default ()),
+                                                     location_with_permissions, parameters->flags, NULL, NULL, parameters->slot);
+        }
+    }
+
+    if (!g_queue_is_empty (parameters->open_in_app_uris) && nautilus_application_is_sandboxed ())
+    {
+        const char *uri;
+        ApplicationLaunchAsyncParameters *async_params;
+
+        uri = g_queue_peek_head (parameters->open_in_app_uris);
+
+        async_params = g_new0 (ApplicationLaunchAsyncParameters, 1);
+        async_params->activation_params = parameters;
+        async_params->uris = g_steal_pointer (&parameters->open_in_app_uris);
+
+        nautilus_launch_default_for_uri_async (uri,
+                                               parameters->parent_window,
+                                               parameters->cancellable,
+                                               launch_default_for_uris_callback,
+                                               async_params);
+        return;
+    }
+
+    if (!g_queue_is_empty (parameters->open_in_app_uris))
+    {
+        for (l = parameters->open_in_app_parameters; l != NULL; l = l->next)
+        {
+            one_parameters = l->data;
+
+            nautilus_launch_application_by_uri (one_parameters->application,
+                                                one_parameters->uris,
+                                                parameters->parent_window);
+            application_launch_parameters_free (one_parameters);
+        }
+
+        for (l = parameters->unhandled_open_in_app_uris; l != NULL; l = l->next)
+        {
+            char *uri = l->data;
+
+            /* this does not block */
+            application_unhandled_uri (parameters, uri);
+        }
+    }
+
+    activation_parameters_free (parameters);
+}
+
+static void
+activation_mount_not_mounted_callback (GObject      *source_object,
+                                       GAsyncResult *res,
+                                       gpointer      user_data)
+{
+    ActivateParameters *parameters = user_data;
+    GError *error;
+    NautilusFile *file;
+    LaunchLocation *loc;
+
+    file = parameters->not_mounted->data;
+
+    error = NULL;
+    if (!g_file_mount_enclosing_volume_finish (G_FILE (source_object), res, &error))
+    {
+        if (error->domain != G_IO_ERROR ||
+            (error->code != G_IO_ERROR_CANCELLED &&
+             error->code != G_IO_ERROR_FAILED_HANDLED &&
+             error->code != G_IO_ERROR_ALREADY_MOUNTED))
+        {
+            show_dialog (_("Unable to access location"),
+                         error->message,
+                         parameters->parent_window,
+                         GTK_MESSAGE_ERROR);
+        }
+
+        if (error->domain != G_IO_ERROR ||
+            error->code != G_IO_ERROR_ALREADY_MOUNTED)
+        {
+            loc = find_launch_location_for_file (parameters->locations,
+                                                 file);
+            if (loc)
+            {
+                parameters->locations =
+                    g_list_remove (parameters->locations, loc);
+                launch_location_free (loc);
+            }
+        }
+
+        g_error_free (error);
+    }
+
+    parameters->not_mounted = g_list_delete_link (parameters->not_mounted,
+                                                  parameters->not_mounted);
+    nautilus_file_unref (file);
+
+    activation_mount_not_mounted (parameters);
+}
+
+static void
+activation_mount_not_mounted (ActivateParameters *parameters)
+{
+    NautilusFile *file;
+    GFile *location;
+    LaunchLocation *loc;
+    GMountOperation *mount_op;
+    GList *l, *next, *files;
+
+    if (parameters->not_mounted != NULL)
+    {
+        file = parameters->not_mounted->data;
+        mount_op = gtk_mount_operation_new (parameters->parent_window);
+        g_mount_operation_set_password_save (mount_op, G_PASSWORD_SAVE_FOR_SESSION);
+        g_signal_connect (mount_op, "notify::is-showing",
+                          G_CALLBACK (activate_mount_op_active), parameters);
+        location = nautilus_file_get_location (file);
+        g_file_mount_enclosing_volume (location, 0, mount_op, parameters->cancellable,
+                                       activation_mount_not_mounted_callback, parameters);
+        g_object_unref (location);
+        /* unref mount_op here - g_file_mount_enclosing_volume() does ref for itself */
+        g_object_unref (mount_op);
+        return;
+    }
+
+    parameters->tried_mounting = TRUE;
+
+    if (parameters->locations == NULL)
+    {
+        activation_parameters_free (parameters);
+        return;
+    }
+
+    /*  once the mount is finished, refresh all attributes
+     *  - fixes new windows not appearing after successful mount
+     */
+    for (l = parameters->locations; l != NULL; l = next)
+    {
+        loc = l->data;
+        next = l->next;
+        nautilus_file_invalidate_all_attributes (loc->file);
+    }
+
+    files = get_file_list_for_launch_locations (parameters->locations);
+    nautilus_file_list_call_when_ready
+        (files,
+        nautilus_mime_actions_get_required_file_attributes (),
+        &parameters->files_handle,
+        activate_callback, parameters);
+    nautilus_file_list_free (files);
+}
+
+
+static void
+activate_callback (GList    *files,
+                   gpointer  callback_data)
+{
+    ActivateParameters *parameters = callback_data;
+    GList *l, *next;
+    NautilusFile *file;
+    LaunchLocation *location;
+
+    parameters->files_handle = NULL;
+
+    for (l = parameters->locations; l != NULL; l = next)
+    {
+        location = l->data;
+        file = location->file;
+        next = l->next;
+
+        if (file_was_cancelled (file))
+        {
+            launch_location_free (location);
+            parameters->locations = g_list_delete_link (parameters->locations, l);
+            continue;
+        }
+
+        if (file_was_not_mounted (file))
+        {
+            if (parameters->tried_mounting)
+            {
+                launch_location_free (location);
+                parameters->locations = g_list_delete_link (parameters->locations, l);
+            }
+            else
+            {
+                parameters->not_mounted = g_list_prepend (parameters->not_mounted,
+                                                          nautilus_file_ref (file));
+            }
+            continue;
+        }
+    }
+
+
+    if (parameters->not_mounted != NULL)
+    {
+        activation_mount_not_mounted (parameters);
+    }
+    else
+    {
+        activate_files (parameters);
+    }
+}
+
+static void
+activate_activation_uris_ready_callback (GList    *files_ignore,
+                                         gpointer  callback_data)
+{
+    ActivateParameters *parameters = callback_data;
+    GList *l, *next, *files;
+    NautilusFile *file;
+    LaunchLocation *location;
+
+    parameters->files_handle = NULL;
+
+    for (l = parameters->locations; l != NULL; l = next)
+    {
+        location = l->data;
+        file = location->file;
+        next = l->next;
+
+        if (file_was_cancelled (file))
+        {
+            launch_location_free (location);
+            parameters->locations = g_list_delete_link (parameters->locations, l);
+            continue;
+        }
+
+        if (nautilus_file_is_broken_symbolic_link (file))
+        {
+            launch_location_free (location);
+            parameters->locations = g_list_delete_link (parameters->locations, l);
+            pause_activation_timed_cancel (parameters);
+            report_broken_symbolic_link (parameters->parent_window, file);
+            unpause_activation_timed_cancel (parameters);
+            continue;
+        }
+
+        if (nautilus_file_get_file_type (file) == G_FILE_TYPE_MOUNTABLE &&
+            !nautilus_file_has_activation_uri (file))
+        {
+            /* Don't launch these... There is nothing we
+             *  can do */
+            launch_location_free (location);
+            parameters->locations = g_list_delete_link (parameters->locations, l);
+            continue;
+        }
+    }
+
+    if (parameters->locations == NULL)
+    {
+        activation_parameters_free (parameters);
+        return;
+    }
+
+    /* Convert the files to the actual activation uri files */
+    for (l = parameters->locations; l != NULL; l = l->next)
+    {
+        char *uri;
+        location = l->data;
+
+        /* We want the file for the activation URI since we care
+         * about the attributes for that, not for the original file.
+         */
+        uri = nautilus_file_get_activation_uri (location->file);
+        if (uri != NULL)
+        {
+            launch_location_update_from_uri (location, uri);
+        }
+        g_free (uri);
+    }
+
+
+    /* get the parameters for the actual files */
+    files = get_file_list_for_launch_locations (parameters->locations);
+    nautilus_file_list_call_when_ready
+        (files,
+        nautilus_mime_actions_get_required_file_attributes (),
+        &parameters->files_handle,
+        activate_callback, parameters);
+    nautilus_file_list_free (files);
+}
+
+static void
+activate_regular_files (ActivateParameters *parameters)
+{
+    GList *l, *files;
+    NautilusFile *file;
+    LaunchLocation *location;
+
+    /* link target info might be stale, re-read it */
+    for (l = parameters->locations; l != NULL; l = l->next)
+    {
+        location = l->data;
+        file = location->file;
+
+        if (file_was_cancelled (file))
+        {
+            launch_location_free (location);
+            parameters->locations = g_list_delete_link (parameters->locations, l);
+            continue;
+        }
+    }
+
+    if (parameters->locations == NULL)
+    {
+        activation_parameters_free (parameters);
+        return;
+    }
+
+    files = get_file_list_for_launch_locations (parameters->locations);
+    nautilus_file_list_call_when_ready
+        (files, nautilus_mime_actions_get_required_file_attributes (),
+        &parameters->files_handle,
+        activate_activation_uris_ready_callback, parameters);
+    nautilus_file_list_free (files);
+}
+
+static void
+activation_mountable_mounted (NautilusFile *file,
+                              GFile        *result_location,
+                              GError       *error,
+                              gpointer      callback_data)
+{
+    ActivateParameters *parameters = callback_data;
+    NautilusFile *target_file;
+    LaunchLocation *location;
+
+    /* Remove from list of files that have to be mounted */
+    parameters->mountables = g_list_remove (parameters->mountables, file);
+    nautilus_file_unref (file);
+
+
+    if (error == NULL)
+    {
+        /* Replace file with the result of the mount */
+        target_file = nautilus_file_get (result_location);
+
+        location = find_launch_location_for_file (parameters->locations,
+                                                  file);
+        if (location)
+        {
+            launch_location_update_from_file (location, target_file);
+        }
+        nautilus_file_unref (target_file);
+    }
+    else
+    {
+        /* Remove failed file */
+
+        if (error->domain != G_IO_ERROR ||
+            (error->code != G_IO_ERROR_FAILED_HANDLED &&
+             error->code != G_IO_ERROR_ALREADY_MOUNTED))
+        {
+            location = find_launch_location_for_file (parameters->locations,
+                                                      file);
+            if (location)
+            {
+                parameters->locations =
+                    g_list_remove (parameters->locations,
+                                   location);
+                launch_location_free (location);
+            }
+        }
+
+        if (error->domain != G_IO_ERROR ||
+            (error->code != G_IO_ERROR_CANCELLED &&
+             error->code != G_IO_ERROR_FAILED_HANDLED &&
+             error->code != G_IO_ERROR_ALREADY_MOUNTED))
+        {
+            show_dialog (_("Unable to access location"),
+                         error->message,
+                         parameters->parent_window,
+                         GTK_MESSAGE_ERROR);
+        }
+
+        if (error->code == G_IO_ERROR_CANCELLED)
+        {
+            activation_parameters_free (parameters);
+            return;
+        }
+    }
+
+    /* Mount more mountables */
+    activation_mount_mountables (parameters);
+}
+
+
+static void
+activation_mount_mountables (ActivateParameters *parameters)
+{
+    NautilusFile *file;
+    GMountOperation *mount_op;
+
+    if (parameters->mountables != NULL)
+    {
+        file = parameters->mountables->data;
+        mount_op = gtk_mount_operation_new (parameters->parent_window);
+        g_mount_operation_set_password_save (mount_op, G_PASSWORD_SAVE_FOR_SESSION);
+        g_signal_connect (mount_op, "notify::is-showing",
+                          G_CALLBACK (activate_mount_op_active), parameters);
+        nautilus_file_mount (file,
+                             mount_op,
+                             parameters->cancellable,
+                             activation_mountable_mounted,
+                             parameters);
+        g_object_unref (mount_op);
+        return;
+    }
+
+    if (parameters->mountables == NULL && parameters->start_mountables == NULL)
+    {
+        activate_regular_files (parameters);
+    }
+}
+
+
+static void
+activation_mountable_started (NautilusFile *file,
+                              GFile        *gfile_of_file,
+                              GError       *error,
+                              gpointer      callback_data)
+{
+    ActivateParameters *parameters = callback_data;
+    LaunchLocation *location;
+
+    /* Remove from list of files that have to be mounted */
+    parameters->start_mountables = g_list_remove (parameters->start_mountables, file);
+    nautilus_file_unref (file);
+
+    if (error == NULL)
+    {
+        /* Remove file */
+        location = find_launch_location_for_file (parameters->locations, file);
+        if (location != NULL)
+        {
+            parameters->locations = g_list_remove (parameters->locations, location);
+            launch_location_free (location);
+        }
+    }
+    else
+    {
+        /* Remove failed file */
+        if (error->domain != G_IO_ERROR ||
+            (error->code != G_IO_ERROR_FAILED_HANDLED))
+        {
+            location = find_launch_location_for_file (parameters->locations,
+                                                      file);
+            if (location)
+            {
+                parameters->locations =
+                    g_list_remove (parameters->locations,
+                                   location);
+                launch_location_free (location);
+            }
+        }
+
+        if (error->domain != G_IO_ERROR ||
+            (error->code != G_IO_ERROR_CANCELLED &&
+             error->code != G_IO_ERROR_FAILED_HANDLED))
+        {
+            show_dialog (_("Unable to start location"),
+                         error->message,
+                         parameters->parent_window,
+                         GTK_MESSAGE_ERROR);
+        }
+
+        if (error->code == G_IO_ERROR_CANCELLED)
+        {
+            activation_parameters_free (parameters);
+            return;
+        }
+    }
+
+    /* Start more mountables */
+    activation_start_mountables (parameters);
+}
+
+static void
+activation_start_mountables (ActivateParameters *parameters)
+{
+    NautilusFile *file;
+    GMountOperation *start_op;
+
+    if (parameters->start_mountables != NULL)
+    {
+        file = parameters->start_mountables->data;
+        start_op = gtk_mount_operation_new (parameters->parent_window);
+        g_signal_connect (start_op, "notify::is-showing",
+                          G_CALLBACK (activate_mount_op_active), parameters);
+        nautilus_file_start (file,
+                             start_op,
+                             parameters->cancellable,
+                             activation_mountable_started,
+                             parameters);
+        g_object_unref (start_op);
+        return;
+    }
+
+    if (parameters->mountables == NULL && parameters->start_mountables == NULL)
+    {
+        activate_regular_files (parameters);
+    }
+}
+
+/**
+ * nautilus_mime_activate_files:
+ *
+ * Activate a list of files. Each one might launch with an application or
+ * with a component. This is normally called only by subclasses.
+ * @view: FMDirectoryView in question.
+ * @files: A GList of NautilusFiles to activate.
+ *
+ **/
+void
+nautilus_mime_activate_files (GtkWindow          *parent_window,
+                              NautilusWindowSlot *slot,
+                              GList              *files,
+                              const char         *launch_directory,
+                              NautilusOpenFlags   flags,
+                              gboolean            user_confirmation)
+{
+    ActivateParameters *parameters;
+    char *file_name;
+    int file_count;
+    GList *l, *next;
+    NautilusFile *file;
+    LaunchLocation *location;
+
+    if (files == NULL)
+    {
+        return;
+    }
+
+    DEBUG_FILES (files, "Calling activate_files() with files:");
+
+    parameters = g_new0 (ActivateParameters, 1);
+    parameters->slot = slot;
+    g_object_add_weak_pointer (G_OBJECT (parameters->slot), (gpointer *) &parameters->slot);
+    if (parent_window)
+    {
+        parameters->parent_window = parent_window;
+        g_object_add_weak_pointer (G_OBJECT (parameters->parent_window), (gpointer *) &parameters->parent_window);
+    }
+    parameters->cancellable = g_cancellable_new ();
+    parameters->activation_directory = g_strdup (launch_directory);
+    parameters->locations = launch_locations_from_file_list (files);
+    parameters->flags = flags;
+    parameters->user_confirmation = user_confirmation;
+
+    file_count = g_list_length (files);
+    if (file_count == 1)
+    {
+        file_name = nautilus_file_get_display_name (files->data);
+        parameters->timed_wait_prompt = g_strdup_printf (_("Opening “%s”."), file_name);
+        g_free (file_name);
+    }
+    else
+    {
+        parameters->timed_wait_prompt = g_strdup_printf (ngettext ("Opening %d item.",
+                                                                   "Opening %d items.",
+                                                                   file_count),
+                                                         file_count);
+    }
+
+
+    for (l = parameters->locations; l != NULL; l = next)
+    {
+        location = l->data;
+        file = location->file;
+        next = l->next;
+
+        if (nautilus_file_can_mount (file))
+        {
+            parameters->mountables = g_list_prepend (parameters->mountables,
+                                                     nautilus_file_ref (file));
+        }
+
+        if (nautilus_file_can_start (file))
+        {
+            parameters->start_mountables = g_list_prepend (parameters->start_mountables,
+                                                           nautilus_file_ref (file));
+        }
+    }
+
+    activation_start_timed_cancel (parameters);
+    if (parameters->mountables != NULL)
+    {
+        activation_mount_mountables (parameters);
+    }
+    if (parameters->start_mountables != NULL)
+    {
+        activation_start_mountables (parameters);
+    }
+    if (parameters->mountables == NULL && parameters->start_mountables == NULL)
+    {
+        activate_regular_files (parameters);
+    }
+}
+
+/**
+ * nautilus_mime_activate_file:
+ *
+ * Activate a file in this view. This might involve switching the displayed
+ * location for the current window, or launching an application.
+ * @view: FMDirectoryView in question.
+ * @file: A NautilusFile representing the file in this view to activate.
+ * @use_new_window: Should this item be opened in a new window?
+ *
+ **/
+
+void
+nautilus_mime_activate_file (GtkWindow          *parent_window,
+                             NautilusWindowSlot *slot,
+                             NautilusFile       *file,
+                             const char         *launch_directory,
+                             NautilusOpenFlags   flags)
+{
+    GList *files;
+
+    g_return_if_fail (NAUTILUS_IS_FILE (file));
+
+    files = g_list_prepend (NULL, file);
+    nautilus_mime_activate_files (parent_window, slot, files, launch_directory, flags, FALSE);
+    g_list_free (files);
+}
+
+gint
+nautilus_mime_types_get_number_of_groups (void)
+{
+    return G_N_ELEMENTS (mimetype_groups);
+}
+
+const gchar *
+nautilus_mime_types_group_get_name (gint group_index)
+{
+    g_return_val_if_fail (group_index < G_N_ELEMENTS (mimetype_groups), NULL);
+
+    return gettext (mimetype_groups[group_index].name);
+}
+
+GPtrArray *
+nautilus_mime_types_group_get_mimetypes (gint group_index)
+{
+    GStrv group;
+    GPtrArray *mimetypes;
+
+    g_return_val_if_fail (group_index < G_N_ELEMENTS (mimetype_groups), NULL);
+
+    group = mimetype_groups[group_index].mimetypes;
+    mimetypes = g_ptr_array_new_full (g_strv_length (group), g_free);
+
+    /* Setup the new mimetypes set */
+    for (gint i = 0; group[i] != NULL; i++)
+    {
+        g_ptr_array_add (mimetypes, g_strdup (group[i]));
+    }
+
+    return mimetypes;
+}