nautilus-mime-actions.c 67.8 KB
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/* nautilus-mime-actions.c - uri-specific versions of mime action functions
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 *
 *  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>
 */
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#include "nautilus-mime-actions.h"
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#include <eel/eel-stock-dialogs.h>
#include <eel/eel-string.h>
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#include <gdk/gdkx.h>
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <glib/gstdio.h>
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#include <string.h>

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#define DEBUG_FLAG NAUTILUS_DEBUG_MIME
#include "nautilus-debug.h"

#include "nautilus-application.h"
#include "nautilus-enums.h"
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#include "nautilus-file.h"
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#include "nautilus-file-utilities.h"
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#include "nautilus-file-operations.h"
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#include "nautilus-global-preferences.h"
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#include "nautilus-metadata.h"
#include "nautilus-program-choosing.h"
#include "nautilus-signaller.h"
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#include "nautilus-ui-utilities.h"
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#include "nautilus-window.h"
#include "nautilus-window-slot.h"
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typedef enum
{
    ACTIVATION_ACTION_ASK,
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    ACTIVATION_ACTION_LAUNCH,
    ACTIVATION_ACTION_LAUNCH_IN_TERMINAL,
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    ACTIVATION_ACTION_OPEN_IN_VIEW,
    ACTIVATION_ACTION_OPEN_IN_APPLICATION,
    ACTIVATION_ACTION_EXTRACT,
    ACTIVATION_ACTION_DO_NOTHING,
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} ActivationAction;

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typedef struct
{
    NautilusFile *file;
    char *uri;
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} LaunchLocation;

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typedef struct
{
    NautilusWindowSlot *slot;
    gpointer window;
    GtkWindow *parent_window;
    GCancellable *cancellable;
    GList *locations;
    GList *mountables;
    GList *start_mountables;
    GList *not_mounted;
    NautilusWindowOpenFlags flags;
    char *timed_wait_prompt;
    gboolean timed_wait_active;
    NautilusFileListHandle *files_handle;
    gboolean tried_mounting;
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    char *activation_directory;
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    gboolean user_confirmation;
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} ActivateParameters;

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typedef struct
{
    ActivateParameters *activation_params;
    GQueue *uris;
    GQueue *unhandled_uris;
} ApplicationLaunchParameters;

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/* Microsoft mime types at https://blogs.msdn.microsoft.com/vsofficedeveloper/2008/05/08/office-2007-file-format-mime-types-for-http-content-streaming-2/ */
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struct
{
    char *name;
    char *mimetypes[20];
} mimetype_groups[] =
{
    {
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        N_("Anything"),
        { NULL }
    },
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    {
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        N_("Files"),
        { "application/octet-stream",
          "text/plain",
          NULL}
    },
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    {
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        N_("Folders"),
        { "inode/directory",
          NULL}
    },
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    { 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",
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        "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
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        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",
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        "image/vnd.djvu+multipage",
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        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",
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        "application/vnd.openxmlformats-officedocument.presentationml.presentation",
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        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",
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        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
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        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}}
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};

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/* Number of seconds until cancel dialog shows up */
#define DELAY_UNTIL_CANCEL_MSECS 5000

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#define RESPONSE_RUN 1000
#define RESPONSE_DISPLAY 1001
#define RESPONSE_RUN_IN_TERMINAL 1002

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#define SILENT_WINDOW_OPEN_LIMIT 5
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#define SILENT_OPEN_LIMIT 5
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/* 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

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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);
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static void
launch_location_free (LaunchLocation *location)
{
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    nautilus_file_unref (location->file);
    g_free (location->uri);
    g_free (location);
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}

static void
launch_location_list_free (GList *list)
{
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    g_list_foreach (list, (GFunc) launch_location_free, NULL);
    g_list_free (list);
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}

static GList *
get_file_list_for_launch_locations (GList *locations)
{
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    GList *files, *l;
    LaunchLocation *location;
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    files = NULL;
    for (l = locations; l != NULL; l = l->next)
    {
        location = l->data;
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        files = g_list_prepend (files,
                                nautilus_file_ref (location->file));
    }
    return g_list_reverse (files);
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}


static LaunchLocation *
launch_location_from_file (NautilusFile *file)
{
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    LaunchLocation *location;
    location = g_new (LaunchLocation, 1);
    location->file = nautilus_file_ref (file);
    location->uri = nautilus_file_get_uri (file);

    return location;
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}

static void
launch_location_update_from_file (LaunchLocation *location,
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                                  NautilusFile   *file)
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{
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    nautilus_file_unref (location->file);
    g_free (location->uri);
    location->file = nautilus_file_ref (file);
    location->uri = nautilus_file_get_uri (file);
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}

static void
launch_location_update_from_uri (LaunchLocation *location,
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                                 const char     *uri)
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{
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    nautilus_file_unref (location->file);
    g_free (location->uri);
    location->file = nautilus_file_get_by_uri (uri);
    location->uri = g_strdup (uri);
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}

static LaunchLocation *
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find_launch_location_for_file (GList        *list,
                               NautilusFile *file)
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{
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    LaunchLocation *location;
    GList *l;
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    for (l = list; l != NULL; l = l->next)
    {
        location = l->data;
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        if (location->file == file)
        {
            return location;
        }
    }
    return NULL;
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}

static GList *
launch_locations_from_file_list (GList *list)
{
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    GList *new;
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    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;
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}
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static ApplicationLaunchParameters *
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application_launch_parameters_new (ActivateParameters *activation_params,
                                   GQueue             *uris)
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{
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    ApplicationLaunchParameters *result;
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    result = g_new0 (ApplicationLaunchParameters, 1);
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    result->activation_params = activation_params;
    result->uris = uris;
    result->unhandled_uris = g_queue_new ();
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    return result;
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}

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static gboolean
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nautilus_mime_actions_check_if_required_attributes_ready (NautilusFile *file)
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{
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    NautilusFileAttributes attributes;
    gboolean ready;
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    attributes = nautilus_mime_actions_get_required_file_attributes ();
    ready = nautilus_file_check_if_ready (file, attributes);
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    return ready;
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}

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NautilusFileAttributes
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nautilus_mime_actions_get_required_file_attributes (void)
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{
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    return NAUTILUS_FILE_ATTRIBUTE_INFO;
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}
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GAppInfo *
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nautilus_mime_get_default_application_for_file (NautilusFile *file)
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{
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    GAppInfo *app;
    char *mime_type;
    char *uri_scheme;
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    if (!nautilus_mime_actions_check_if_required_attributes_ready (file))
    {
        return NULL;
    }
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    mime_type = nautilus_file_get_mime_type (file);
    app = g_app_info_get_default_for_type (mime_type,
                                           !nautilus_file_is_local_or_fuse (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);
        }
    }
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    return app;
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}
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static int
file_compare_by_mime_type (NautilusFile *file_a,
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                           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;
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}

static int
file_compare_by_parent_uri (NautilusFile *file_a,
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                            NautilusFile *file_b)
{
    char *parent_uri_a, *parent_uri_b;
    int ret;
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    parent_uri_a = nautilus_file_get_parent_uri (file_a);
    parent_uri_b = nautilus_file_get_parent_uri (file_b);
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    ret = strcmp (parent_uri_a, parent_uri_b);
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    g_free (parent_uri_a);
    g_free (parent_uri_b);
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    return ret;
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}

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GAppInfo *
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nautilus_mime_get_default_application_for_files (GList *files)
{
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    GList *l, *sorted_files;
    NautilusFile *file;
    GAppInfo *app, *one_app;
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    g_assert (files != NULL);
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    sorted_files = g_list_sort (g_list_copy (files), (GCompareFunc) file_compare_by_mime_type);
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    app = NULL;
    for (l = sorted_files; l != NULL; l = l->next)
    {
        file = l->data;
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        if (l->prev &&
            file_compare_by_mime_type (file, l->prev->data) == 0 &&
            file_compare_by_parent_uri (file, l->prev->data) == 0)
        {
            continue;
        }
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        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;
        }
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        if (app == NULL)
        {
            app = one_app;
        }
        else
        {
            g_object_unref (one_app);
        }
    }
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    g_list_free (sorted_files);
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    return app;
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}

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static void
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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);

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    nautilus_file_operations_trash_or_delete_async (locations,
                                                    parent_window,
                                                    NULL, NULL);
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    g_list_free_full (locations, g_object_unref);
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}

static void
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report_broken_symbolic_link (GtkWindow    *parent_window,
                             NautilusFile *file)
{
    char *target_path;
    char *display_name;
    char *prompt;
    char *detail;
    GtkDialog *dialog;
    GList file_as_list;
    int response;
    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);

    if (can_trash)
    {
        prompt = g_strdup_printf (_("The link “%s” is broken. Move it to Trash?"), display_name);
    }
    else
    {
        prompt = g_strdup_printf (_("The link “%s” is broken."), display_name);
    }
    g_free (display_name);

    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 "
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                                    "“%s” doesn’t exist."), target_path);
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    }

    if (!can_trash)
    {
        eel_run_simple_dialog (GTK_WIDGET (parent_window), FALSE, GTK_MESSAGE_WARNING,
                               prompt, detail, _("_Cancel"), NULL);
        goto out;
    }

    dialog = eel_show_yes_no_dialog (prompt, detail, _("Mo_ve to Trash"), _("_Cancel"),
                                     parent_window);

    gtk_dialog_set_default_response (dialog, GTK_RESPONSE_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.
     */

    response = gtk_dialog_run (dialog);
    gtk_widget_destroy (GTK_WIDGET (dialog));

    if (response == GTK_RESPONSE_YES)
    {
        file_as_list.data = file;
        file_as_list.next = NULL;
        file_as_list.prev = NULL;
        trash_or_delete_files (parent_window, &file_as_list, TRUE);
    }
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out:
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    g_free (prompt);
    g_free (target_path);
    g_free (detail);
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}

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static ActivationAction
get_executable_text_file_action (GtkWindow    *parent_window,
                                 NautilusFile *file)
{
    GtkDialog *dialog;
    char *file_name;
    char *prompt;
    char *detail;
    int preferences_value;
    int response;

    g_assert (nautilus_file_contains_text (file));

    preferences_value = g_settings_get_enum (nautilus_preferences,
                                             NAUTILUS_PREFERENCES_EXECUTABLE_TEXT_ACTIVATION);
    switch (preferences_value)
    {
        case NAUTILUS_EXECUTABLE_TEXT_LAUNCH:
        {
            return ACTIVATION_ACTION_LAUNCH;
        }

        case NAUTILUS_EXECUTABLE_TEXT_DISPLAY:
        {
            return ACTIVATION_ACTION_OPEN_IN_APPLICATION;
        }

        case NAUTILUS_EXECUTABLE_TEXT_ASK:
        {
        }
        break;

        default:
            /* Complain non-fatally, since preference data can't be trusted */
            g_warning ("Unknown value %d for NAUTILUS_PREFERENCES_EXECUTABLE_TEXT_ACTIVATION",
                       preferences_value);
    }


    file_name = nautilus_file_get_display_name (file);
    prompt = g_strdup_printf (_("Do you want to run “%s”, or display its contents?"),
                              file_name);
    detail = g_strdup_printf (_("“%s” is an executable text file."),
                              file_name);
    g_free (file_name);

    dialog = eel_create_question_dialog (prompt,
                                         detail,
                                         _("Run in _Terminal"), RESPONSE_RUN_IN_TERMINAL,
                                         _("_Display"), RESPONSE_DISPLAY,
                                         parent_window);
    gtk_dialog_add_button (dialog, _("_Cancel"), GTK_RESPONSE_CANCEL);
    gtk_dialog_add_button (dialog, _("_Run"), RESPONSE_RUN);
    gtk_dialog_set_default_response (dialog, GTK_RESPONSE_CANCEL);
    gtk_widget_show (GTK_WIDGET (dialog));

    g_free (prompt);
    g_free (detail);

    response = gtk_dialog_run (dialog);
    gtk_widget_destroy (GTK_WIDGET (dialog));

    switch (response)
    {
        case RESPONSE_RUN:
        {
            return ACTIVATION_ACTION_LAUNCH;
        }

        case RESPONSE_RUN_IN_TERMINAL:
        {
            return ACTIVATION_ACTION_LAUNCH_IN_TERMINAL;
        }

        case RESPONSE_DISPLAY:
        {
            return ACTIVATION_ACTION_OPEN_IN_APPLICATION;
        }

        default:
            return ACTIVATION_ACTION_DO_NOTHING;
    }
}

static ActivationAction
get_default_executable_text_file_action (void)
{
    int preferences_value;

    preferences_value = g_settings_get_enum (nautilus_preferences,
                                             NAUTILUS_PREFERENCES_EXECUTABLE_TEXT_ACTIVATION);
    switch (preferences_value)
    {
        case NAUTILUS_EXECUTABLE_TEXT_LAUNCH:
        {
            return ACTIVATION_ACTION_LAUNCH;
        }

        case NAUTILUS_EXECUTABLE_TEXT_DISPLAY:
        {
            return ACTIVATION_ACTION_OPEN_IN_APPLICATION;
        }

        case NAUTILUS_EXECUTABLE_TEXT_ASK:
        default:
            return ACTIVATION_ACTION_ASK;
    }
}

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static ActivationAction
get_activation_action (NautilusFile *file)
{
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    ActivationAction action;
    char *activation_uri;
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    gboolean handles_extract = FALSE;
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    g_autoptr (GAppInfo) app_info = NULL;
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    const gchar *app_id;
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    app_info = nautilus_mime_get_default_application_for_file (file);
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    if (app_info != NULL)
    {
        app_id = g_app_info_get_id (app_info);
        handles_extract = g_strcmp0 (app_id, NAUTILUS_DESKTOP_ID) == 0;
    }
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    if (handles_extract && nautilus_file_is_archive (file))
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    {
        return ACTIVATION_ACTION_EXTRACT;
    }

    activation_uri = nautilus_file_get_activation_uri (file);
    if (activation_uri == NULL)
    {
        activation_uri = nautilus_file_get_uri (file);
    }

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    action = ACTIVATION_ACTION_DO_NOTHING;
    if (nautilus_file_is_launchable (file))
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    {
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        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);
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    }
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    if (action == ACTIVATION_ACTION_DO_NOTHING)
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    {
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        if (nautilus_file_opens_in_view (file))
        {
            action = ACTIVATION_ACTION_OPEN_IN_VIEW;
        }
        else
        {
            action = ACTIVATION_ACTION_OPEN_IN_APPLICATION;
        }
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    }
    g_free (activation_uri);
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    return action;
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}

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gboolean
nautilus_mime_file_extracts (NautilusFile *file)
{
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    return get_activation_action (file) == ACTIVATION_ACTION_EXTRACT;
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}

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gboolean
nautilus_mime_file_launches (NautilusFile *file)
{
    ActivationAction activation_action;

    activation_action = get_activation_action (file);

    return (activation_action == ACTIVATION_ACTION_LAUNCH);
}

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gboolean
nautilus_mime_file_opens_in_external_app (NautilusFile *file)
{
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    ActivationAction activation_action;

    activation_action = get_activation_action (file);

    return (activation_action == ACTIVATION_ACTION_OPEN_IN_APPLICATION);
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}

static gboolean
file_was_cancelled (NautilusFile *file)
{
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    GError *error;

    error = nautilus_file_get_file_info_error (file);
    return
        error != NULL &&
        error->domain == G_IO_ERROR &&
        error->code == G_IO_ERROR_CANCELLED;
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}

static gboolean
file_was_not_mounted (NautilusFile *file)
{
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    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;
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}

static void
activation_parameters_free (ActivateParameters *parameters)
{
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    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);
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    g_free (parameters->activation_directory);
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    g_free (parameters->timed_wait_prompt);
    g_assert (parameters->files_handle == NULL);
    g_free (parameters);
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}

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static void
application_launch_parameters_free (ApplicationLaunchParameters *parameters)
{
    g_queue_free (parameters->unhandled_uris);
    g_queue_free (parameters->uris);
    activation_parameters_free (parameters->activation_params);

    g_free (parameters);
}

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static void
cancel_activate_callback (gpointer callback_data)
{
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    ActivateParameters *parameters = callback_data;
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    parameters->timed_wait_active = FALSE;
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    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);
    }
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}

static void
activation_start_timed_cancel (ActivateParameters *parameters)
{
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    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);
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}

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static void
pause_activation_timed_cancel (ActivateParameters *parameters)
{
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    if (parameters->timed_wait_active)
    {
        eel_timed_wait_stop (cancel_activate_callback, parameters);
        parameters->timed_wait_active = FALSE;
    }
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}

static void
unpause_activation_timed_cancel (ActivateParameters *parameters)
{
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    if (!parameters->timed_wait_active)
    {
        activation_start_timed_cancel (parameters);
    }
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}


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static void
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activate_mount_op_active (GtkMountOperation  *operation,
                          GParamSpec         *pspec,
                          ActivateParameters *parameters)
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{
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    gboolean is_active;
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    g_object_get (operation, "is-showing", &is_active, NULL);
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    if (is_active)
    {
        pause_activation_timed_cancel (parameters);
    }
    else
    {
        unpause_activation_timed_cancel (parameters);
    }
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}

static gboolean
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confirm_multiple_windows (GtkWindow *parent_window,
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                          int        count,
                          gboolean   use_tabs)
{
    GtkDialog *dialog;
    char *prompt;
    char *detail;
    int response;

    if (count <= SILENT_WINDOW_OPEN_LIMIT)
    {
        return TRUE;
    }

    prompt = _("Are you sure you want to open all files?");
    if (use_tabs)
    {
        detail = g_strdup_printf (ngettext ("This will open %d separate tab.",
                                            "This will open %d separate tabs.", count), count);
    }
    else
    {
        detail = g_strdup_printf (ngettext ("This will open %d separate window.",
                                            "This will open %d separate windows.", count), count);
    }
    dialog = eel_show_yes_no_dialog (prompt, detail,
                                     _("_OK"), _("_Cancel"),
                                     parent_window);
    g_free (detail);

    response = gtk_dialog_run (dialog);
    gtk_widget_destroy (GTK_WIDGET (dialog));

    return response == GTK_RESPONSE_YES;
}

typedef struct
{
    NautilusWindowSlot *slot;
    GtkWindow *parent_window;
    NautilusFile *file;
    GList *files;
    NautilusWindowOpenFlags flags;
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    char *activation_directory;
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    gboolean user_confirmation;
    char *uri;
    GDBusProxy *proxy;
    GtkWidget *dialog;
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} ActivateParametersInstall;

static void
activate_parameters_install_free (ActivateParametersInstall *parameters_install)
{
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    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);
    }
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    if (parameters_install->proxy != NULL)
    {
        g_object_unref (parameters_install->proxy);
    }
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    nautilus_file_unref (parameters_install->file);
    nautilus_file_list_free (parameters_install->files);
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    g_free (parameters_install->activation_directory);
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    g_free (parameters_install->uri);
    g_free (parameters_install);
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}

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static char *
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get_application_no_mime_type_handler_message (NautilusFile *file,
                                              char         *uri)
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{
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    char *uri_for_display;
    char *name;
    char *error_message;
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    name = nautilus_file_get_display_name (file);
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    /* 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);
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    error_message = g_strdup_printf (_("Could Not Display “%s”"), uri_for_display);
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    g_free (uri_for_display);
    g_free (name);
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    return error_message;
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}

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static void
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open_with_response_cb (GtkDialog *dialog,
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                       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_widget_destroy (GTK_WIDGET (dialog));
        return;
    }
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    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));
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    gtk_widget_destroy (GTK_WIDGET (dialog));
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    g_signal_emit_by_name (nautilus_signaller_get_current (), "mime-data-changed");
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    files.next = NULL;
    files.prev = NULL;
    files.data = file;
    nautilus_launch_application (info, &files, parent_window);
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    g_object_unref (info);
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    activate_parameters_install_free (parameters);
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}

static void
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choose_program (GtkDialog *message_dialog,
                int        response,
                gpointer   callback_data)
{
    GtkWidget *dialog;
    NautilusFile *file;
    GFile *location;
    ActivateParametersInstall *parameters = callback_data;

    if (response != GTK_RESPONSE_ACCEPT)
    {
        gtk_widget_destroy (GTK_WIDGET (message_dialog));
        activate_parameters_install_free (parameters);
        return;
    }
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    file = g_object_get_data (G_OBJECT (message_dialog), "mime-action:file");
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    g_assert (NAUTILUS_IS_FILE (file));
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    location = nautilus_file_get_location (file);
    nautilus_file_ref (file);
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    /* Destroy the message dialog after ref:ing the file */
    gtk_widget_destroy (GTK_WIDGET (message_dialog));
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    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);
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    gtk_widget_show (dialog);
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    g_signal_connect (dialog,
                      "response",
                      G_CALLBACK (open_with_response_cb),
                      parameters);
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    g_object_unref (location);
    nautilus_file_unref (file);
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}

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static void
show_unhandled_type_error (ActivateParametersInstall *parameters)
{
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    GtkWidget *dialog;

    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))
    {
        dialog = gtk_message_dialog_new (parameters->parent_window,
                                         GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
                                         GTK_MESSAGE_ERROR,
                                         0,
                                         "%s", error_message);
        gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
                                                  _("The file is of an unknown type"));
    }
    else
    {
        char *text;
        text = g_strdup_printf (_("There is no application installed for “%s” files"), g_content_type_get_description (mime_type));

        dialog = gtk_message_dialog_new (parameters->parent_window,
                                         GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
                                         GTK_MESSAGE_ERROR,
                                         0,
                                         "%s", error_message);
        gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
                                                  "%s", text);

        g_free (text);
    }
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    gtk_dialog_add_button (GTK_DIALOG (dialog), _("_Select Application"), GTK_RESPONSE_ACCEPT);
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    gtk_dialog_add_button (GTK_DIALOG (dialog), _("_OK"), GTK_RESPONSE_OK);
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    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
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    g_object_set_data_full (G_OBJECT (dialog),
                            "mime-action:file",
                            nautilus_file_ref (parameters->file),
                            (GDestroyNotify) nautilus_file_unref);
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    gtk_widget_show (GTK_WIDGET (dialog));
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    g_signal_connect (dialog, "response",
                      G_CALLBACK (choose_program), parameters);
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    g_free (error_message);
    g_free (mime_type);
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}

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static void
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search_for_application_dbus_call_notify_cb (GDBusProxy   *proxy,
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                                            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);
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            show_dialog (_("Unable to search for application"),
                         message,
                         parameters_install->parent_window,
                         GTK_MESSAGE_ERROR);
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            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 the file again */
    nautilus_mime_activate_files (parameters_install->parent_window,
                                  parameters_install->slot,
                                  parameters_install->files,
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                                  parameters_install->activation_directory,
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                                  parameters_install->flags,
                                  parameters_install->user_confirmation);

    activate_parameters_install_free (parameters_install);
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}

static void
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search_for_application_mime_type (ActivateParametersInstall *parameters_install,
                                  const gchar               *mime_type)
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{
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    GdkWindow *window;
    guint xid = 0;
    const char *mime_types[2];
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    g_assert (parameters_install->proxy != NULL);
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    /* get XID from parent window */
    window = gtk_widget_get_window (GTK_WIDGET (parameters_install->parent_window));
    if (window != NULL)
    {
        xid = GDK_WINDOW_XID (window);
    }
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    mime_types[0] = mime_type;
    mime_types[1] = NULL;
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    g_dbus_proxy_call (parameters_install->proxy,
                       "InstallMimeTypes",
                       g_variant_new ("(u^ass)",
                                      xid,
                                      mime_types,
                                      "hide-confirm-search"),
                       G_DBUS_CALL_FLAGS_NONE,
                       G_MAXINT /* no timeout */,
                       NULL /* cancellable */,
                       (GAsyncReadyCallback) search_for_application_dbus_call_notify_cb,
                       parameters_install);
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    DEBUG ("InstallMimeType method invoked for %s", mime_type);
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}

static void
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application_unhandled_file_install (GtkDialog                 *dialog,
                                    gint                       response_id,
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                                    ActivateParametersInstall *parameters_install)
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{
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    char *mime_type;
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    gtk_widget_destroy (GTK_WIDGET (dialog));
    parameters_install->dialog = NULL;
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    if (response_id == GTK_RESPONSE_YES)
    {
        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);
    }
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}

static void
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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;

    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);
    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 = gtk_message_dialog_new (parameters_install->parent_window, 0,
                                     GTK_MESSAGE_ERROR,
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                                     GTK_BUTTONS_NONE,
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                                     "%s", error_message);
    gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
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                                              _("There is no application installed for “%s” files. "
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                                                "Do you want to search for an application to open this file?"),
                                              g_content_type_get_description (mime_type));
    gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);

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    gtk_dialog_add_button (GTK_DIALOG (dialog), _("_Cancel"), GTK_RESPONSE_CANCEL);
    gtk_dialog_add_button (GTK_DIALOG (dialog), _("_Search in Software"), GTK_RESPONSE_YES);

    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_YES);

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    parameters_install->dialog = dialog;
    parameters_install->proxy = proxy;

    g_signal_connect (dialog, "response",
                      G_CALLBACK (application_unhandled_file_install),
                      parameters_install);
    gtk_widget_show_all (dialog);
    g_free (mime_type);
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}

static void
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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);
    }
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    parameters_install->activation_directory = g_strdup (parameters->activation_directory);
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    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);
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#ifdef ENABLE_PACKAGEKIT
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    /* allow an admin to disable the PackageKit search functionality */
    show_install_mime = g_settings_get_boolean (nautilus_preferences, NAUTILUS_PREFERENCES_INSTALL_MIME_ACTIVATION);
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#else
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    /* we have no install functionality */
    show_install_mime = FALSE;
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#endif
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    /* 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;
    }
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    g_free (mime_type);
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    if (!show_install_mime)
    {
        goto out;
    }
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    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.Modify",
                              NULL,
                              pk_proxy_appeared_cb,
                              parameters_install);
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    return;
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out:
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    /* show an unhelpful dialog */
    show_unhandled_type_error (parameters_install);
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}

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static void
on_launch_default_for_uri (GObject      *source_object,
                           GAsyncResult *res,
                           gpointer      user_data)
{
    ApplicationLaunchParameters *params;
    ActivateParameters *activation_params;
    char *uri;
    gboolean sandboxed;
    GError *error = NULL;

    params = user_data;
    activation_params = params->activation_params;
    uri = g_queue_pop_head (params->uris);
    sandboxed = g_file_test ("/.flatpak-info", G_FILE_TEST_EXISTS);

    nautilus_launch_default_for_uri_finish (res, &error);
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    if (!sandboxed && error != NULL && error->code != G_IO_ERROR_CANCELLED)
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    {
        g_queue_push_tail (params->unhandled_uris, 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,
                                               on_launch_default_for_uri,
                                               params);
    }
    else
    {
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        while ((uri = g_queue_pop_head (params->unhandled_uris)) != NULL)
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        {
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            application_unhandled_uri (activation_params, uri);
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        }

        application_launch_parameters_free (params);
    }
}

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static void
activate_files (ActivateParameters *parameters)
{
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    NautilusFile *file;
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    NautilusWindowOpenFlags flags;
    int count;
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    g_autofree char *old_working_dir = NULL;
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    GdkScreen *screen;
    g_autoptr (GQueue) launch_files = NULL;
    g_autoptr (GQueue) launch_in_terminal_files = NULL;
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    g_autoptr (GQueue) open_in_app_uris = NULL;
    g_autoptr (GQueue) open_in_view_files = NULL;
    GList *l;
    ActivationAction action;
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    launch_files = g_queue_new ();
    launch_in_terminal_files = g_queue_new ();
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    open_in_view_files = g_queue_new ();
    open_in_app_uris = g_queue_new ();
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    for (l = parameters->locations; l != NULL; l = l->next)
    {
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        LaunchLocation *location;

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        location = l->data;
        file = location->file;

        if (file_was_cancelled (file))
        {
            continue;
        }

        action = get_activation_action (file);
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        if (action == ACTIVATION_ACTION_ASK)
        {
            /* Special case for executable text files, since it might be
             * dangerous & unexpected to launch these.
             */
            pause_activation_timed_cancel (parameters);
            action = get_executable_text_file_action (parameters->parent_window, file);
            unpause_activation_timed_cancel (parameters);
        }

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        switch (action)
        {
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            case ACTIVATION_ACTION_LAUNCH:
            {
                g_queue_push_tail (launch_files, file);
            }
            break;

            case ACTIVATION_ACTION_LAUNCH_IN_TERMINAL:
            {
                g_queue_push_tail (launch_in_terminal_files, file);
            }
            break;

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            case ACTIVATION_ACTION_OPEN_IN_VIEW:
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            {
                g_queue_push_tail (open_in_view_files, file);
            }
            break;
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            case ACTIVATION_ACTION_OPEN_IN_APPLICATION:
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            {
                g_queue_push_tail (open_in_app_uris, location->uri);
            }
            break;
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            case ACTIVATION_ACTION_DO_NOTHING:
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            {
            }
            break;
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            case ACTIVATION_ACTION_EXTRACT:
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            {
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                /* Extraction of files should be handled in the view */
                g_assert_not_reached ();
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            }
            break;
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            case ACTIVATION_ACTION_ASK:
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            {
                g_assert_not_reached ();
            }
            break;
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        }
    }

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    if (parameters->activation_directory &&
        (!g_queue_is_empty (launch_files) ||
         !g_queue_is_empty (launch_in_terminal_files)))
    {
        old_working_dir = g_get_current_dir ();
        g_chdir (parameters->activation_directory);
    }

    screen = gtk_widget_get_screen (GTK_WIDGET (parameters->parent_window));
    for (l = g_queue_peek_head_link (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 (screen, quoted_path, FALSE, NULL);
    }

    for (l = g_queue_peek_head_link (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 (screen, quoted_path, TRUE, NULL);
    }

    if (old_working_dir != NULL)
    {
        g_chdir (old_working_dir);
    }

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    count = g_queue_get_length (open_in_view_files);
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    flags = parameters->flags;
    if (count > 1)
    {
        if ((parameters->flags & NAUTILUS_WINDOW_OPEN_FLAG_NEW_WINDOW) == 0)
        {
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            flags |= NAUTILUS_WINDOW_OPEN_FLAG_NEW_TAB;
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        }
        else
        {
            flags |= NAUTILUS_WINDOW_OPEN_FLAG_NEW_WINDOW;
        }
    }

    if (parameters->slot != NULL &&
        (!parameters->user_confirmation ||
         confirm_multiple_windows (parameters->parent_window, count,
                                   (flags & NAUTILUS_WINDOW_OPEN_FLAG_NEW_TAB) != 0)))
    {
        if ((flags & NAUTILUS_WINDOW_OPEN_FLAG_NEW_TAB) != 0 &&
            g_settings_get_enum (nautilus_preferences, NAUTILUS_PREFERENCES_NEW_TAB_POSITION) ==
            NAUTILUS_NEW_TAB_POSITION_AFTER_CURRENT_TAB)
        {
            /* 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.
             */
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            g_queue_reverse (open_in_view_files);
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        }

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        for (l = g_queue_peek_head_link (open_in_view_files); l != NULL; l = l->next)
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        {
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            g_autofree char *uri = NULL;
            g_autoptr (GFile) location = NULL;
            g_autoptr (GFile) location_with_permissions = NULL;
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            /* 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);
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            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);
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            /* 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 ()),
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                                                     location_with_permissions, flags, NULL, NULL, parameters->slot);
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        }
    }

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    if (g_queue_is_empty (open_in_app_uris))
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    {
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        activation_parameters_free (parameters);
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    }
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    else
    {
        const char *uri;
        ApplicationLaunchParameters *params;
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        uri = g_queue_peek_head (open_in_app_uris);
        params = application_launch_parameters_new (parameters,
                                                    g_queue_copy (open_in_app_uris));

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        gtk_recent_manager_add_item (gtk_recent_manager_get_default (), uri);
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        nautilus_launch_default_for_uri_async (uri,
                                               parameters->parent_window,
                                               parameters->cancellable,
                                               on_launch_default_for_uri,
                                               params);
    }
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}

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))
        {
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            show_dialog (_("Unable to access location"),
                         error->message,
                         parameters->parent_window,
                         GTK_MESSAGE_ERROR);
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        }

        if (error->domain != G_IO_ERROR ||
            error->code != G_IO_ERROR_ALREADY_MOUNTED)
        {
            loc = find_launch_location_for_file (parameters->locations,
                                                 file);
            if (loc)
            {
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                parameters->locations =
                    g_list_remove (parameters->locations, loc);
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                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);
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}

static void
activation_mount_not_mounted (ActivateParameters *parameters)
{
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    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);
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