moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 781 insertions, 0 deletions

diff --git a/libcaja-private/caja-vfs-file.c b/libcaja-private/caja-vfs-file.c
new file mode 100644
index 00000000..797ca79d
--- /dev/null
+++ b/libcaja-private/caja-vfs-file.c
@@ -0,0 +1,781 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
+
+   caja-vfs-file.c: Subclass of CajaFile to help implement the
+   virtual trash directory.
+
+   Copyright (C) 1999, 2000, 2001 Eazel, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public
+   License along with this program; if not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+   Author: Darin Adler <[email protected]>
+*/
+
+#include <config.h>
+#include "caja-vfs-file.h"
+
+#include "caja-directory-notify.h"
+#include "caja-directory-private.h"
+#include "caja-file-private.h"
+#include "caja-autorun.h"
+#include <eel/eel-gtk-macros.h>
+#include <glib/gi18n.h>
+
+static void caja_vfs_file_init       (gpointer   object,
+                                      gpointer   klass);
+static void caja_vfs_file_class_init (gpointer   klass);
+
+EEL_CLASS_BOILERPLATE (CajaVFSFile,
+                       caja_vfs_file,
+                       CAJA_TYPE_FILE)
+
+static void
+vfs_file_monitor_add (CajaFile *file,
+                      gconstpointer client,
+                      CajaFileAttributes attributes)
+{
+    caja_directory_monitor_add_internal
+    (file->details->directory, file,
+     client, TRUE, TRUE, attributes, NULL, NULL);
+}
+
+static void
+vfs_file_monitor_remove (CajaFile *file,
+                         gconstpointer client)
+{
+    caja_directory_monitor_remove_internal
+    (file->details->directory, file, client);
+}
+
+static void
+vfs_file_call_when_ready (CajaFile *file,
+                          CajaFileAttributes file_attributes,
+                          CajaFileCallback callback,
+                          gpointer callback_data)
+
+{
+    caja_directory_call_when_ready_internal
+    (file->details->directory, file,
+     file_attributes, FALSE, NULL, callback, callback_data);
+}
+
+static void
+vfs_file_cancel_call_when_ready (CajaFile *file,
+                                 CajaFileCallback callback,
+                                 gpointer callback_data)
+{
+    caja_directory_cancel_callback_internal
+    (file->details->directory, file,
+     NULL, callback, callback_data);
+}
+
+static gboolean
+vfs_file_check_if_ready (CajaFile *file,
+                         CajaFileAttributes file_attributes)
+{
+    return caja_directory_check_if_ready_internal
+           (file->details->directory, file,
+            file_attributes);
+}
+
+static void
+set_metadata_get_info_callback (GObject *source_object,
+                                GAsyncResult *res,
+                                gpointer callback_data)
+{
+    CajaFile *file;
+    GFileInfo *new_info;
+    GError *error;
+
+    file = callback_data;
+
+    error = NULL;
+    new_info = g_file_query_info_finish (G_FILE (source_object), res, &error);
+    if (new_info != NULL)
+    {
+        if (caja_file_update_info (file, new_info))
+        {
+            caja_file_changed (file);
+        }
+        g_object_unref (new_info);
+    }
+    caja_file_unref (file);
+    if (error)
+    {
+        g_error_free (error);
+    }
+}
+
+static void
+set_metadata_callback (GObject *source_object,
+                       GAsyncResult *result,
+                       gpointer callback_data)
+{
+    CajaFile *file;
+    GError *error;
+    gboolean res;
+
+    file = callback_data;
+
+    error = NULL;
+    res = g_file_set_attributes_finish (G_FILE (source_object),
+                                        result,
+                                        NULL,
+                                        &error);
+
+    if (res)
+    {
+        g_file_query_info_async (G_FILE (source_object),
+                                 CAJA_FILE_DEFAULT_ATTRIBUTES,
+                                 0,
+                                 G_PRIORITY_DEFAULT,
+                                 NULL,
+                                 set_metadata_get_info_callback, file);
+    }
+    else
+    {
+        caja_file_unref (file);
+        g_error_free (error);
+    }
+}
+
+static void
+vfs_file_set_metadata (CajaFile           *file,
+                       const char             *key,
+                       const char             *value)
+{
+    GFileInfo *info;
+    GFile *location;
+    char *gio_key;
+
+    info = g_file_info_new ();
+
+    gio_key = g_strconcat ("metadata::", key, NULL);
+    if (value != NULL)
+    {
+        g_file_info_set_attribute_string (info, gio_key, value);
+    }
+    else
+    {
+        /* Unset the key */
+        g_file_info_set_attribute (info, gio_key,
+                                   G_FILE_ATTRIBUTE_TYPE_INVALID,
+                                   NULL);
+    }
+    g_free (gio_key);
+
+    location = caja_file_get_location (file);
+    g_file_set_attributes_async (location,
+                                 info,
+                                 0,
+                                 G_PRIORITY_DEFAULT,
+                                 NULL,
+                                 set_metadata_callback,
+                                 caja_file_ref (file));
+    g_object_unref (location);
+    g_object_unref (info);
+}
+
+static void
+vfs_file_set_metadata_as_list (CajaFile           *file,
+                               const char             *key,
+                               char                  **value)
+{
+    GFile *location;
+    GFileInfo *info;
+    char *gio_key;
+
+    info = g_file_info_new ();
+
+    gio_key = g_strconcat ("metadata::", key, NULL);
+    g_file_info_set_attribute_stringv (info, gio_key, value);
+    g_free (gio_key);
+
+    location = caja_file_get_location (file);
+    g_file_set_attributes_async (location,
+                                 info,
+                                 0,
+                                 G_PRIORITY_DEFAULT,
+                                 NULL,
+                                 set_metadata_callback,
+                                 caja_file_ref (file));
+    g_object_unref (info);
+    g_object_unref (location);
+}
+
+static gboolean
+vfs_file_get_item_count (CajaFile *file,
+                         guint *count,
+                         gboolean *count_unreadable)
+{
+    if (count_unreadable != NULL)
+    {
+        *count_unreadable = file->details->directory_count_failed;
+    }
+    if (!file->details->got_directory_count)
+    {
+        if (count != NULL)
+        {
+            *count = 0;
+        }
+        return FALSE;
+    }
+    if (count != NULL)
+    {
+        *count = file->details->directory_count;
+    }
+    return TRUE;
+}
+
+static CajaRequestStatus
+vfs_file_get_deep_counts (CajaFile *file,
+                          guint *directory_count,
+                          guint *file_count,
+                          guint *unreadable_directory_count,
+                          goffset *total_size)
+{
+    GFileType type;
+
+    if (directory_count != NULL)
+    {
+        *directory_count = 0;
+    }
+    if (file_count != NULL)
+    {
+        *file_count = 0;
+    }
+    if (unreadable_directory_count != NULL)
+    {
+        *unreadable_directory_count = 0;
+    }
+    if (total_size != NULL)
+    {
+        *total_size = 0;
+    }
+
+    if (!caja_file_is_directory (file))
+    {
+        return CAJA_REQUEST_DONE;
+    }
+
+    if (file->details->deep_counts_status != CAJA_REQUEST_NOT_STARTED)
+    {
+        if (directory_count != NULL)
+        {
+            *directory_count = file->details->deep_directory_count;
+        }
+        if (file_count != NULL)
+        {
+            *file_count = file->details->deep_file_count;
+        }
+        if (unreadable_directory_count != NULL)
+        {
+            *unreadable_directory_count = file->details->deep_unreadable_count;
+        }
+        if (total_size != NULL)
+        {
+            *total_size = file->details->deep_size;
+        }
+        return file->details->deep_counts_status;
+    }
+
+    /* For directories, or before we know the type, we haven't started. */
+    type = caja_file_get_file_type (file);
+    if (type == G_FILE_TYPE_UNKNOWN
+            || type == G_FILE_TYPE_DIRECTORY)
+    {
+        return CAJA_REQUEST_NOT_STARTED;
+    }
+
+    /* For other types, we are done, and the zeros are permanent. */
+    return CAJA_REQUEST_DONE;
+}
+
+static gboolean
+vfs_file_get_date (CajaFile *file,
+                   CajaDateType date_type,
+                   time_t *date)
+{
+    switch (date_type)
+    {
+    case CAJA_DATE_TYPE_CHANGED:
+        /* Before we have info on a file, the date is unknown. */
+        if (file->details->ctime == 0)
+        {
+            return FALSE;
+        }
+        if (date != NULL)
+        {
+            *date = file->details->ctime;
+        }
+        return TRUE;
+    case CAJA_DATE_TYPE_ACCESSED:
+        /* Before we have info on a file, the date is unknown. */
+        if (file->details->atime == 0)
+        {
+            return FALSE;
+        }
+        if (date != NULL)
+        {
+            *date = file->details->atime;
+        }
+        return TRUE;
+    case CAJA_DATE_TYPE_MODIFIED:
+        /* Before we have info on a file, the date is unknown. */
+        if (file->details->mtime == 0)
+        {
+            return FALSE;
+        }
+        if (date != NULL)
+        {
+            *date = file->details->mtime;
+        }
+        return TRUE;
+    case CAJA_DATE_TYPE_TRASHED:
+        /* Before we have info on a file, the date is unknown. */
+        if (file->details->trash_time == 0)
+        {
+            return FALSE;
+        }
+        if (date != NULL)
+        {
+            *date = file->details->trash_time;
+        }
+        return TRUE;
+    case CAJA_DATE_TYPE_PERMISSIONS_CHANGED:
+        /* Before we have info on a file, the date is unknown. */
+        if (file->details->mtime == 0 || file->details->ctime == 0)
+        {
+            return FALSE;
+        }
+        /* mtime is when the contents changed; ctime is when the
+         * contents or the permissions (inc. owner/group) changed.
+         * So we can only know when the permissions changed if mtime
+         * and ctime are different.
+         */
+        if (file->details->mtime == file->details->ctime)
+        {
+            return FALSE;
+        }
+        if (date != NULL)
+        {
+            *date = file->details->ctime;
+        }
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static char *
+vfs_file_get_where_string (CajaFile *file)
+{
+    return caja_file_get_parent_uri_for_display (file);
+}
+
+static void
+vfs_file_mount_callback (GObject *source_object,
+                         GAsyncResult *res,
+                         gpointer callback_data)
+{
+    CajaFileOperation *op;
+    GFile *mounted_on;
+    GError *error;
+
+    op = callback_data;
+
+    error = NULL;
+    mounted_on = g_file_mount_mountable_finish (G_FILE (source_object),
+                 res, &error);
+    caja_file_operation_complete (op, mounted_on, error);
+    if (mounted_on)
+    {
+        g_object_unref (mounted_on);
+    }
+    if (error)
+    {
+        g_error_free (error);
+    }
+}
+
+
+static void
+vfs_file_mount (CajaFile                   *file,
+                GMountOperation                *mount_op,
+                GCancellable                   *cancellable,
+                CajaFileOperationCallback   callback,
+                gpointer                        callback_data)
+{
+    CajaFileOperation *op;
+    GError *error;
+    GFile *location;
+
+    if (file->details->type != G_FILE_TYPE_MOUNTABLE)
+    {
+        if (callback)
+        {
+            error = NULL;
+            g_set_error_literal (&error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+                                 _("This file cannot be mounted"));
+            callback (file, NULL, error, callback_data);
+            g_error_free (error);
+        }
+        return;
+    }
+
+    op = caja_file_operation_new (file, callback, callback_data);
+    if (cancellable)
+    {
+        g_object_unref (op->cancellable);
+        op->cancellable = g_object_ref (cancellable);
+    }
+
+    location = caja_file_get_location (file);
+    g_file_mount_mountable (location,
+                            0,
+                            mount_op,
+                            op->cancellable,
+                            vfs_file_mount_callback,
+                            op);
+    g_object_unref (location);
+}
+
+static void
+vfs_file_unmount_callback (GObject *source_object,
+                           GAsyncResult *res,
+                           gpointer callback_data)
+{
+    CajaFileOperation *op;
+    gboolean unmounted;
+    GError *error;
+
+    op = callback_data;
+
+    error = NULL;
+    unmounted = g_file_unmount_mountable_with_operation_finish (G_FILE (source_object),
+                res, &error);
+
+    if (!unmounted &&
+            error->domain == G_IO_ERROR &&
+            (error->code == G_IO_ERROR_FAILED_HANDLED ||
+             error->code == G_IO_ERROR_CANCELLED))
+    {
+        g_error_free (error);
+        error = NULL;
+    }
+
+    caja_file_operation_complete (op, G_FILE (source_object), error);
+    if (error)
+    {
+        g_error_free (error);
+    }
+}
+
+static void
+vfs_file_unmount (CajaFile                   *file,
+                  GMountOperation                *mount_op,
+                  GCancellable                   *cancellable,
+                  CajaFileOperationCallback   callback,
+                  gpointer                        callback_data)
+{
+    CajaFileOperation *op;
+    GFile *location;
+
+    op = caja_file_operation_new (file, callback, callback_data);
+    if (cancellable)
+    {
+        g_object_unref (op->cancellable);
+        op->cancellable = g_object_ref (cancellable);
+    }
+
+    location = caja_file_get_location (file);
+    g_file_unmount_mountable_with_operation (location,
+            G_MOUNT_UNMOUNT_NONE,
+            mount_op,
+            op->cancellable,
+            vfs_file_unmount_callback,
+            op);
+    g_object_unref (location);
+}
+
+static void
+vfs_file_eject_callback (GObject *source_object,
+                         GAsyncResult *res,
+                         gpointer callback_data)
+{
+    CajaFileOperation *op;
+    gboolean ejected;
+    GError *error;
+
+    op = callback_data;
+
+    error = NULL;
+    ejected = g_file_eject_mountable_with_operation_finish (G_FILE (source_object),
+              res, &error);
+
+    if (!ejected &&
+            error->domain == G_IO_ERROR &&
+            (error->code == G_IO_ERROR_FAILED_HANDLED ||
+             error->code == G_IO_ERROR_CANCELLED))
+    {
+        g_error_free (error);
+        error = NULL;
+    }
+
+    caja_file_operation_complete (op, G_FILE (source_object), error);
+    if (error)
+    {
+        g_error_free (error);
+    }
+}
+
+static void
+vfs_file_eject (CajaFile                   *file,
+                GMountOperation                *mount_op,
+                GCancellable                   *cancellable,
+                CajaFileOperationCallback   callback,
+                gpointer                        callback_data)
+{
+    CajaFileOperation *op;
+    GFile *location;
+
+    op = caja_file_operation_new (file, callback, callback_data);
+    if (cancellable)
+    {
+        g_object_unref (op->cancellable);
+        op->cancellable = g_object_ref (cancellable);
+    }
+
+    location = caja_file_get_location (file);
+    g_file_eject_mountable_with_operation (location,
+                                           G_MOUNT_UNMOUNT_NONE,
+                                           mount_op,
+                                           op->cancellable,
+                                           vfs_file_eject_callback,
+                                           op);
+    g_object_unref (location);
+}
+
+static void
+vfs_file_start_callback (GObject *source_object,
+                         GAsyncResult *res,
+                         gpointer callback_data)
+{
+    CajaFileOperation *op;
+    gboolean started;
+    GError *error;
+
+    op = callback_data;
+
+    error = NULL;
+    started = g_file_start_mountable_finish (G_FILE (source_object),
+              res, &error);
+
+    if (!started &&
+            error->domain == G_IO_ERROR &&
+            (error->code == G_IO_ERROR_FAILED_HANDLED ||
+             error->code == G_IO_ERROR_CANCELLED))
+    {
+        g_error_free (error);
+        error = NULL;
+    }
+
+    caja_file_operation_complete (op, G_FILE (source_object), error);
+    if (error)
+    {
+        g_error_free (error);
+    }
+}
+
+
+static void
+vfs_file_start (CajaFile                   *file,
+                GMountOperation                *mount_op,
+                GCancellable                   *cancellable,
+                CajaFileOperationCallback   callback,
+                gpointer                        callback_data)
+{
+    CajaFileOperation *op;
+    GError *error;
+    GFile *location;
+
+    if (file->details->type != G_FILE_TYPE_MOUNTABLE)
+    {
+        if (callback)
+        {
+            error = NULL;
+            g_set_error_literal (&error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+                                 _("This file cannot be started"));
+            callback (file, NULL, error, callback_data);
+            g_error_free (error);
+        }
+        return;
+    }
+
+    op = caja_file_operation_new (file, callback, callback_data);
+    if (cancellable)
+    {
+        g_object_unref (op->cancellable);
+        op->cancellable = g_object_ref (cancellable);
+    }
+
+    location = caja_file_get_location (file);
+    g_file_start_mountable (location,
+                            0,
+                            mount_op,
+                            op->cancellable,
+                            vfs_file_start_callback,
+                            op);
+    g_object_unref (location);
+}
+
+static void
+vfs_file_stop_callback (GObject *source_object,
+                        GAsyncResult *res,
+                        gpointer callback_data)
+{
+    CajaFileOperation *op;
+    gboolean stopped;
+    GError *error;
+
+    op = callback_data;
+
+    error = NULL;
+    stopped = g_file_stop_mountable_finish (G_FILE (source_object),
+                                            res, &error);
+
+    if (!stopped &&
+            error->domain == G_IO_ERROR &&
+            (error->code == G_IO_ERROR_FAILED_HANDLED ||
+             error->code == G_IO_ERROR_CANCELLED))
+    {
+        g_error_free (error);
+        error = NULL;
+    }
+
+    caja_file_operation_complete (op, G_FILE (source_object), error);
+    if (error)
+    {
+        g_error_free (error);
+    }
+}
+
+static void
+vfs_file_stop (CajaFile                   *file,
+               GMountOperation                *mount_op,
+               GCancellable                   *cancellable,
+               CajaFileOperationCallback   callback,
+               gpointer                        callback_data)
+{
+    CajaFileOperation *op;
+    GFile *location;
+
+    op = caja_file_operation_new (file, callback, callback_data);
+    if (cancellable)
+    {
+        g_object_unref (op->cancellable);
+        op->cancellable = g_object_ref (cancellable);
+    }
+
+    location = caja_file_get_location (file);
+    g_file_stop_mountable (location,
+                           G_MOUNT_UNMOUNT_NONE,
+                           mount_op,
+                           op->cancellable,
+                           vfs_file_stop_callback,
+                           op);
+    g_object_unref (location);
+}
+
+static void
+vfs_file_poll_callback (GObject *source_object,
+                        GAsyncResult *res,
+                        gpointer callback_data)
+{
+    CajaFileOperation *op;
+    gboolean stopped;
+    GError *error;
+
+    op = callback_data;
+
+    error = NULL;
+    stopped = g_file_poll_mountable_finish (G_FILE (source_object),
+                                            res, &error);
+
+    if (!stopped &&
+            error->domain == G_IO_ERROR &&
+            (error->code == G_IO_ERROR_FAILED_HANDLED ||
+             error->code == G_IO_ERROR_CANCELLED))
+    {
+        g_error_free (error);
+        error = NULL;
+    }
+
+    caja_file_operation_complete (op, G_FILE (source_object), error);
+    if (error)
+    {
+        g_error_free (error);
+    }
+}
+
+static void
+vfs_file_poll_for_media (CajaFile *file)
+{
+    CajaFileOperation *op;
+    GFile *location;
+
+    op = caja_file_operation_new (file, NULL, NULL);
+
+    location = caja_file_get_location (file);
+    g_file_poll_mountable (location,
+                           op->cancellable,
+                           vfs_file_poll_callback,
+                           op);
+    g_object_unref (location);
+}
+
+static void
+caja_vfs_file_init (gpointer object, gpointer klass)
+{
+    CajaVFSFile *file;
+
+    file = CAJA_VFS_FILE (object);
+
+}
+
+static void
+caja_vfs_file_class_init (gpointer klass)
+{
+    CajaFileClass *file_class;
+
+    file_class = CAJA_FILE_CLASS (klass);
+
+    file_class->monitor_add = vfs_file_monitor_add;
+    file_class->monitor_remove = vfs_file_monitor_remove;
+    file_class->call_when_ready = vfs_file_call_when_ready;
+    file_class->cancel_call_when_ready = vfs_file_cancel_call_when_ready;
+    file_class->check_if_ready = vfs_file_check_if_ready;
+    file_class->get_item_count = vfs_file_get_item_count;
+    file_class->get_deep_counts = vfs_file_get_deep_counts;
+    file_class->get_date = vfs_file_get_date;
+    file_class->get_where_string = vfs_file_get_where_string;
+    file_class->set_metadata = vfs_file_set_metadata;
+    file_class->set_metadata_as_list = vfs_file_set_metadata_as_list;
+    file_class->mount = vfs_file_mount;
+    file_class->unmount = vfs_file_unmount;
+    file_class->eject = vfs_file_eject;
+    file_class->start = vfs_file_start;
+    file_class->stop = vfs_file_stop;
+    file_class->poll_for_media = vfs_file_poll_for_media;
+}