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

1 files changed, 731 insertions, 0 deletions

diff --git a/libcaja-private/caja-desktop-directory-file.c b/libcaja-private/caja-desktop-directory-file.c
new file mode 100644
index 00000000..ebfa47ce
--- /dev/null
+++ b/libcaja-private/caja-desktop-directory-file.c
@@ -0,0 +1,731 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
+
+   caja-desktop-directory-file.c: Subclass of CajaFile to help implement the
+   virtual desktop.
+
+   Copyright (C) 2003 Red Hat, 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: Alexander Larsson <[email protected]>
+*/
+
+#include <config.h>
+#include "caja-desktop-directory-file.h"
+
+#include "caja-directory-notify.h"
+#include "caja-directory-private.h"
+#include "caja-file-attributes.h"
+#include "caja-file-private.h"
+#include "caja-file-utilities.h"
+#include <eel/eel-glib-extensions.h>
+#include <eel/eel-gtk-macros.h>
+#include <mateconf/mateconf-client.h>
+#include <mateconf/mateconf-value.h>
+#include "caja-desktop-directory.h"
+#include "caja-metadata.h"
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+#include <string.h>
+
+struct CajaDesktopDirectoryFileDetails
+{
+    CajaDesktopDirectory *desktop_directory;
+
+    CajaFile *real_dir_file;
+
+    GHashTable *callbacks;
+    GHashTable *monitors;
+};
+
+typedef struct
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    CajaFileCallback callback;
+    gpointer callback_data;
+
+    CajaFileAttributes delegated_attributes;
+    CajaFileAttributes non_delegated_attributes;
+
+    GList *non_ready_files;
+
+    gboolean initializing;
+} DesktopCallback;
+
+typedef struct
+{
+    CajaDesktopDirectoryFile *desktop_file;
+
+    CajaFileAttributes delegated_attributes;
+    CajaFileAttributes non_delegated_attributes;
+} DesktopMonitor;
+
+
+static void caja_desktop_directory_file_init       (gpointer   object,
+        gpointer   klass);
+static void caja_desktop_directory_file_class_init (gpointer   klass);
+
+EEL_CLASS_BOILERPLATE (CajaDesktopDirectoryFile,
+                       caja_desktop_directory_file,
+                       CAJA_TYPE_FILE)
+
+static guint
+desktop_callback_hash (gconstpointer desktop_callback_as_pointer)
+{
+    const DesktopCallback *desktop_callback;
+
+    desktop_callback = desktop_callback_as_pointer;
+    return GPOINTER_TO_UINT (desktop_callback->callback)
+           ^ GPOINTER_TO_UINT (desktop_callback->callback_data);
+}
+
+static gboolean
+desktop_callback_equal (gconstpointer desktop_callback_as_pointer,
+                        gconstpointer desktop_callback_as_pointer_2)
+{
+    const DesktopCallback *desktop_callback, *desktop_callback_2;
+
+    desktop_callback = desktop_callback_as_pointer;
+    desktop_callback_2 = desktop_callback_as_pointer_2;
+
+    return desktop_callback->callback == desktop_callback_2->callback
+           && desktop_callback->callback_data == desktop_callback_2->callback_data;
+}
+
+
+static void
+real_file_changed_callback (CajaFile *real_file,
+                            gpointer callback_data)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (callback_data);
+    caja_file_changed (CAJA_FILE (desktop_file));
+}
+
+static CajaFileAttributes
+get_delegated_attributes_mask (void)
+{
+    return CAJA_FILE_ATTRIBUTE_DEEP_COUNTS |
+           CAJA_FILE_ATTRIBUTE_DIRECTORY_ITEM_COUNT |
+           CAJA_FILE_ATTRIBUTE_DIRECTORY_ITEM_MIME_TYPES;
+}
+
+static void
+partition_attributes (CajaFileAttributes attributes,
+                      CajaFileAttributes *delegated_attributes,
+                      CajaFileAttributes *non_delegated_attributes)
+{
+    CajaFileAttributes mask;
+
+    mask = get_delegated_attributes_mask ();
+
+    *delegated_attributes = attributes & mask;
+    *non_delegated_attributes = attributes & ~mask;
+}
+
+static void
+desktop_directory_file_monitor_add (CajaFile *file,
+                                    gconstpointer client,
+                                    CajaFileAttributes attributes)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    DesktopMonitor *monitor;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (file);
+
+    /* Map the client to a unique value so this doesn't interfere
+     * with direct monitoring of the file by the same client.
+     */
+    monitor = g_hash_table_lookup (desktop_file->details->monitors, client);
+    if (monitor != NULL)
+    {
+        g_assert (monitor->desktop_file == desktop_file);
+    }
+    else
+    {
+        monitor = g_new0 (DesktopMonitor, 1);
+        monitor->desktop_file = desktop_file;
+        g_hash_table_insert (desktop_file->details->monitors,
+                             (gpointer) client, monitor);
+    }
+
+    partition_attributes (attributes,
+                          &monitor->delegated_attributes,
+                          &monitor->non_delegated_attributes);
+
+    /* Pawn off partioned attributes to real dir file */
+    caja_file_monitor_add (desktop_file->details->real_dir_file,
+                           monitor, monitor->delegated_attributes);
+
+    /* Do the rest ourself */
+    caja_directory_monitor_add_internal
+    (file->details->directory, file,
+     client, TRUE, TRUE,
+     monitor->non_delegated_attributes,
+     NULL, NULL);
+}
+
+static void
+desktop_directory_file_monitor_remove (CajaFile *file,
+                                       gconstpointer client)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    DesktopMonitor *monitor;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (file);
+
+    /* Map the client to the value used by the earlier add call. */
+    monitor = g_hash_table_lookup (desktop_file->details->monitors, client);
+    if (monitor == NULL)
+    {
+        return;
+    }
+
+    /* Call through to the real file remove calls. */
+    g_hash_table_remove (desktop_file->details->monitors, client);
+
+    /* Remove the locally handled parts */
+    caja_directory_monitor_remove_internal
+    (file->details->directory, file, client);
+}
+
+static void
+desktop_callback_destroy (DesktopCallback *desktop_callback)
+{
+    g_assert (desktop_callback != NULL);
+    g_assert (CAJA_IS_DESKTOP_DIRECTORY_FILE (desktop_callback->desktop_file));
+
+    caja_file_unref (CAJA_FILE (desktop_callback->desktop_file));
+    g_list_free (desktop_callback->non_ready_files);
+    g_free (desktop_callback);
+}
+
+static void
+desktop_callback_check_done (DesktopCallback *desktop_callback)
+{
+    /* Check if we are ready. */
+    if (desktop_callback->initializing ||
+            desktop_callback->non_ready_files != NULL)
+    {
+        return;
+    }
+
+    /* Remove from the hash table before sending it. */
+    g_hash_table_remove (desktop_callback->desktop_file->details->callbacks,
+                         desktop_callback);
+
+    /* We are ready, so do the real callback. */
+    (* desktop_callback->callback) (CAJA_FILE (desktop_callback->desktop_file),
+                                    desktop_callback->callback_data);
+
+    /* And we are done. */
+    desktop_callback_destroy (desktop_callback);
+}
+
+static void
+desktop_callback_remove_file (DesktopCallback *desktop_callback,
+                              CajaFile *file)
+{
+    desktop_callback->non_ready_files = g_list_remove
+                                        (desktop_callback->non_ready_files, file);
+    desktop_callback_check_done (desktop_callback);
+}
+
+static void
+ready_callback (CajaFile *file,
+                gpointer callback_data)
+{
+    DesktopCallback *desktop_callback;
+
+    g_assert (CAJA_IS_FILE (file));
+    g_assert (callback_data != NULL);
+
+    desktop_callback = callback_data;
+    g_assert (g_list_find (desktop_callback->non_ready_files, file) != NULL);
+
+    desktop_callback_remove_file (desktop_callback, file);
+}
+
+static void
+desktop_directory_file_call_when_ready (CajaFile *file,
+                                        CajaFileAttributes attributes,
+                                        CajaFileCallback callback,
+                                        gpointer callback_data)
+
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    DesktopCallback search_key, *desktop_callback;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (file);
+
+    /* Check to be sure we aren't overwriting. */
+    search_key.callback = callback;
+    search_key.callback_data = callback_data;
+    if (g_hash_table_lookup (desktop_file->details->callbacks, &search_key) != NULL)
+    {
+        g_warning ("tried to add a new callback while an old one was pending");
+        return;
+    }
+
+    /* Create a desktop_callback record. */
+    desktop_callback = g_new0 (DesktopCallback, 1);
+    caja_file_ref (file);
+    desktop_callback->desktop_file = desktop_file;
+    desktop_callback->callback = callback;
+    desktop_callback->callback_data = callback_data;
+    desktop_callback->initializing = TRUE;
+
+    partition_attributes (attributes,
+                          &desktop_callback->delegated_attributes,
+                          &desktop_callback->non_delegated_attributes);
+
+    desktop_callback->non_ready_files = g_list_prepend
+                                        (desktop_callback->non_ready_files, file);
+    desktop_callback->non_ready_files = g_list_prepend
+                                        (desktop_callback->non_ready_files, desktop_file->details->real_dir_file);
+
+    /* Put it in the hash table. */
+    g_hash_table_insert (desktop_file->details->callbacks,
+                         desktop_callback, desktop_callback);
+
+    /* Now connect to each file's call_when_ready. */
+    caja_directory_call_when_ready_internal
+    (file->details->directory, file,
+     desktop_callback->non_delegated_attributes,
+     FALSE, NULL, ready_callback, desktop_callback);
+    caja_file_call_when_ready
+    (desktop_file->details->real_dir_file,
+     desktop_callback->delegated_attributes,
+     ready_callback, desktop_callback);
+
+    desktop_callback->initializing = FALSE;
+
+    /* Check if any files became read while we were connecting up
+     * the call_when_ready callbacks (also handles the pathological
+     * case where there are no files at all).
+     */
+    desktop_callback_check_done (desktop_callback);
+
+}
+
+static void
+desktop_directory_file_cancel_call_when_ready (CajaFile *file,
+        CajaFileCallback callback,
+        gpointer callback_data)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    DesktopCallback search_key, *desktop_callback;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (file);
+
+    /* Find the entry in the table. */
+    search_key.callback = callback;
+    search_key.callback_data = callback_data;
+    desktop_callback = g_hash_table_lookup (desktop_file->details->callbacks, &search_key);
+    if (desktop_callback == NULL)
+    {
+        return;
+    }
+
+    /* Remove from the hash table before working with it. */
+    g_hash_table_remove (desktop_callback->desktop_file->details->callbacks, desktop_callback);
+
+    /* Tell the real directory to cancel the call. */
+    caja_directory_cancel_callback_internal
+    (file->details->directory, file,
+     NULL, ready_callback, desktop_callback);
+
+    caja_file_cancel_call_when_ready
+    (desktop_file->details->real_dir_file,
+     ready_callback, desktop_callback);
+
+    desktop_callback_destroy (desktop_callback);
+}
+
+static gboolean
+real_check_if_ready (CajaFile *file,
+                     CajaFileAttributes attributes)
+{
+    return caja_directory_check_if_ready_internal
+           (file->details->directory, file,
+            attributes);
+}
+
+static gboolean
+desktop_directory_file_check_if_ready (CajaFile *file,
+                                       CajaFileAttributes attributes)
+{
+    CajaFileAttributes delegated_attributes, non_delegated_attributes;
+    CajaDesktopDirectoryFile *desktop_file;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (file);
+
+    partition_attributes (attributes,
+                          &delegated_attributes,
+                          &non_delegated_attributes);
+
+    return real_check_if_ready (file, non_delegated_attributes) &&
+           caja_file_check_if_ready (desktop_file->details->real_dir_file,
+                                     delegated_attributes);
+}
+
+static gboolean
+desktop_directory_file_get_item_count (CajaFile *file,
+                                       guint *count,
+                                       gboolean *count_unreadable)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    gboolean got_count;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (file);
+
+    got_count = caja_file_get_directory_item_count (desktop_file->details->real_dir_file,
+                count,
+                count_unreadable);
+
+    if (count)
+    {
+        *count += g_list_length (file->details->directory->details->file_list);
+    }
+
+    return got_count;
+}
+
+static CajaRequestStatus
+desktop_directory_file_get_deep_counts (CajaFile *file,
+                                        guint *directory_count,
+                                        guint *file_count,
+                                        guint *unreadable_directory_count,
+                                        goffset *total_size)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    CajaRequestStatus status;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (file);
+
+    status = caja_file_get_deep_counts (desktop_file->details->real_dir_file,
+                                        directory_count,
+                                        file_count,
+                                        unreadable_directory_count,
+                                        total_size,
+                                        TRUE);
+
+    if (file_count)
+    {
+        *file_count += g_list_length (file->details->directory->details->file_list);
+    }
+
+    return status;
+}
+
+static gboolean
+desktop_directory_file_get_date (CajaFile *file,
+                                 CajaDateType date_type,
+                                 time_t *date)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (file);
+
+    return caja_file_get_date (desktop_file->details->real_dir_file,
+                               date_type,
+                               date);
+}
+
+static char *
+desktop_directory_file_get_where_string (CajaFile *file)
+{
+    return g_strdup (_("on the desktop"));
+}
+
+
+static void
+monitor_destroy (gpointer data)
+{
+    DesktopMonitor *monitor = data;
+
+    caja_file_monitor_remove
+    (CAJA_FILE (monitor->desktop_file->details->real_dir_file), monitor);
+    g_free (monitor);
+}
+
+static char *
+get_metadata_mateconf_path (const char *name,
+                            const char *key)
+{
+    char *res, *escaped_name;
+
+    escaped_name = mateconf_escape_key (name, -1);
+    res = g_build_filename (CAJA_DESKTOP_METADATA_MATECONF_PATH, escaped_name, key, NULL);
+    g_free (escaped_name);
+
+    return res;
+}
+
+void
+caja_desktop_set_metadata_string (CajaFile *file,
+                                  const char *name,
+                                  const char *key,
+                                  const char *string)
+{
+    MateConfClient *client;
+    char *mateconf_key;
+
+    client = mateconf_client_get_default ();
+    mateconf_key = get_metadata_mateconf_path (name, key);
+
+    if (string)
+    {
+        mateconf_client_set_string (client, mateconf_key, string, NULL);
+    }
+    else
+    {
+        mateconf_client_unset (client, mateconf_key, NULL);
+    }
+
+    g_free (mateconf_key);
+    g_object_unref (client);
+
+    if (caja_desktop_update_metadata_from_mateconf (file, name))
+    {
+        caja_file_changed (file);
+    }
+}
+
+void
+caja_desktop_set_metadata_stringv (CajaFile *file,
+                                   const char *name,
+                                   const char *key,
+                                   char **stringv)
+{
+    MateConfClient *client;
+    char *mateconf_key;
+    GSList *list;
+    int i;
+
+    client = mateconf_client_get_default ();
+    mateconf_key = get_metadata_mateconf_path (name, key);
+
+    list = NULL;
+    for (i = 0; stringv[i] != NULL; i++)
+    {
+        list = g_slist_prepend (list, stringv[i]);
+    }
+    list = g_slist_reverse (list);
+
+    mateconf_client_set_list (client, mateconf_key,
+                              MATECONF_VALUE_STRING,
+                              list, NULL);
+
+    g_slist_free (list);
+    g_free (mateconf_key);
+    g_object_unref (client);
+
+    if (caja_desktop_update_metadata_from_mateconf (file, name))
+    {
+        caja_file_changed (file);
+    }
+}
+
+gboolean
+caja_desktop_update_metadata_from_mateconf (CajaFile *file,
+        const char *name)
+{
+    MateConfClient *client;
+    GSList *entries, *l;
+    char *dir;
+    const char *key;
+    MateConfEntry *entry;
+    MateConfValue *value;
+    GFileInfo *info;
+    gboolean changed;
+    char *gio_key;
+    GSList *value_list;
+    char **strv;
+    int i;
+
+    client = mateconf_client_get_default ();
+
+    dir = get_metadata_mateconf_path (name, NULL);
+    entries = mateconf_client_all_entries (client, dir, NULL);
+    g_free (dir);
+
+    info = g_file_info_new ();
+
+    for (l = entries; l != NULL; l = l->next)
+    {
+        entry = l->data;
+
+        key = mateconf_entry_get_key (entry);
+        value = mateconf_entry_get_value (entry);
+
+        if (value == NULL)
+        {
+            continue;
+        }
+        key = strrchr (key, '/') + 1;
+
+        gio_key = g_strconcat ("metadata::", key, NULL);
+        if (value->type == MATECONF_VALUE_STRING)
+        {
+            g_file_info_set_attribute_string (info, gio_key,
+                                              mateconf_value_get_string (value));
+        }
+        else if (value->type == MATECONF_VALUE_LIST &&
+                 mateconf_value_get_list_type (value) == MATECONF_VALUE_STRING)
+        {
+            value_list = mateconf_value_get_list (value);
+            strv = g_new (char *, g_slist_length (value_list) + 1);
+            for (i = 0; value_list != NULL; i++, value_list = value_list->next)
+            {
+                strv[i] = l->data;
+            }
+            strv[i] = NULL;
+            g_file_info_set_attribute_stringv (info, gio_key, strv);
+            g_free (strv);
+        }
+
+        g_free (gio_key);
+
+        mateconf_entry_unref (entry);
+    }
+    g_slist_free (entries);
+
+    changed = caja_file_update_metadata_from_info (file, info);
+
+    g_object_unref (info);
+    g_object_unref (client);
+
+    return changed;
+}
+
+static void
+caja_desktop_directory_file_set_metadata (CajaFile           *file,
+        const char             *key,
+        const char             *value)
+{
+    caja_desktop_set_metadata_string (file, "directory", key, value);
+}
+
+static void
+caja_desktop_directory_file_set_metadata_as_list (CajaFile           *file,
+        const char             *key,
+        char                  **value)
+{
+    caja_desktop_set_metadata_stringv (file, "directory", key, value);
+}
+
+static void
+caja_desktop_directory_file_init (gpointer object, gpointer klass)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    CajaDesktopDirectory *desktop_directory;
+    CajaDirectory *real_dir;
+    CajaFile *real_dir_file;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (object);
+
+    desktop_directory = CAJA_DESKTOP_DIRECTORY (caja_directory_get_by_uri (EEL_DESKTOP_URI));
+
+    desktop_file->details = g_new0 (CajaDesktopDirectoryFileDetails, 1);
+    desktop_file->details->desktop_directory = desktop_directory;
+
+    desktop_file->details->callbacks = g_hash_table_new
+                                       (desktop_callback_hash, desktop_callback_equal);
+    desktop_file->details->monitors = g_hash_table_new_full (NULL, NULL,
+                                      NULL, monitor_destroy);
+
+    real_dir = caja_desktop_directory_get_real_directory (desktop_directory);
+    real_dir_file = caja_directory_get_corresponding_file (real_dir);
+    caja_directory_unref (real_dir);
+
+    desktop_file->details->real_dir_file = real_dir_file;
+
+    caja_desktop_update_metadata_from_mateconf (CAJA_FILE (desktop_file), "directory");
+
+    g_signal_connect_object (real_dir_file, "changed",
+                             G_CALLBACK (real_file_changed_callback), desktop_file, 0);
+}
+
+
+static void
+desktop_callback_remove_file_cover (gpointer key,
+                                    gpointer value,
+                                    gpointer callback_data)
+{
+    desktop_callback_remove_file
+    (value, CAJA_FILE (callback_data));
+}
+
+
+static void
+desktop_finalize (GObject *object)
+{
+    CajaDesktopDirectoryFile *desktop_file;
+    CajaDesktopDirectory *desktop_directory;
+
+    desktop_file = CAJA_DESKTOP_DIRECTORY_FILE (object);
+    desktop_directory = desktop_file->details->desktop_directory;
+
+    /* Todo: ghash now safe? */
+    eel_g_hash_table_safe_for_each
+    (desktop_file->details->callbacks,
+     desktop_callback_remove_file_cover,
+     desktop_file->details->real_dir_file);
+
+    if (g_hash_table_size (desktop_file->details->callbacks) != 0)
+    {
+        g_warning ("call_when_ready still pending when desktop virtual file is destroyed");
+    }
+
+    g_hash_table_destroy (desktop_file->details->callbacks);
+    g_hash_table_destroy (desktop_file->details->monitors);
+
+    caja_file_unref (desktop_file->details->real_dir_file);
+
+    g_free (desktop_file->details);
+
+    caja_directory_unref (CAJA_DIRECTORY (desktop_directory));
+
+    EEL_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
+}
+
+static void
+caja_desktop_directory_file_class_init (gpointer klass)
+{
+    GObjectClass *object_class;
+    CajaFileClass *file_class;
+
+    object_class = G_OBJECT_CLASS (klass);
+    file_class = CAJA_FILE_CLASS (klass);
+
+    object_class->finalize = desktop_finalize;
+
+    file_class->default_file_type = G_FILE_TYPE_DIRECTORY;
+
+    file_class->monitor_add = desktop_directory_file_monitor_add;
+    file_class->monitor_remove = desktop_directory_file_monitor_remove;
+    file_class->call_when_ready = desktop_directory_file_call_when_ready;
+    file_class->cancel_call_when_ready = desktop_directory_file_cancel_call_when_ready;
+    file_class->check_if_ready = desktop_directory_file_check_if_ready;
+    file_class->get_item_count = desktop_directory_file_get_item_count;
+    file_class->get_deep_counts = desktop_directory_file_get_deep_counts;
+    file_class->get_date = desktop_directory_file_get_date;
+    file_class->get_where_string = desktop_directory_file_get_where_string;
+    file_class->set_metadata = caja_desktop_directory_file_set_metadata;
+    file_class->set_metadata_as_list = caja_desktop_directory_file_set_metadata_as_list;
+}