/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- caja-directory-private.h: Caja directory model. 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. Author: Darin Adler <darin@bentspoon.com> */ #include <gio/gio.h> #include <eel/eel-vfs-extensions.h> #include <libcaja-private/caja-directory.h> #include <libcaja-private/caja-file-queue.h> #include <libcaja-private/caja-file.h> #include <libcaja-private/caja-monitor.h> #include <libcaja-extension/caja-info-provider.h> #include <libxml/tree.h> typedef struct LinkInfoReadState LinkInfoReadState; typedef struct TopLeftTextReadState TopLeftTextReadState; typedef struct FileMonitors FileMonitors; typedef struct DirectoryLoadState DirectoryLoadState; typedef struct DirectoryCountState DirectoryCountState; typedef struct DeepCountState DeepCountState; typedef struct GetInfoState GetInfoState; typedef struct NewFilesState NewFilesState; typedef struct MimeListState MimeListState; typedef struct ThumbnailState ThumbnailState; typedef struct MountState MountState; typedef struct FilesystemInfoState FilesystemInfoState; typedef enum { REQUEST_LINK_INFO, REQUEST_DEEP_COUNT, REQUEST_DIRECTORY_COUNT, REQUEST_FILE_INFO, REQUEST_FILE_LIST, /* always FALSE if file != NULL */ REQUEST_MIME_LIST, REQUEST_TOP_LEFT_TEXT, REQUEST_LARGE_TOP_LEFT_TEXT, REQUEST_EXTENSION_INFO, REQUEST_THUMBNAIL, REQUEST_MOUNT, REQUEST_FILESYSTEM_INFO, REQUEST_TYPE_LAST } RequestType; /* A request for information about one or more files. */ typedef guint32 Request; typedef gint32 RequestCounter[REQUEST_TYPE_LAST]; #define REQUEST_WANTS_TYPE(request, type) ((request) & (1<<(type))) #define REQUEST_SET_TYPE(request, type) (request) |= (1<<(type)) struct _CajaDirectoryPrivate { /* The location. */ GFile *location; /* The file objects. */ CajaFile *as_file; GList *file_list; GHashTable *file_hash; /* Queues of files needing some I/O done. */ CajaFileQueue *high_priority_queue; CajaFileQueue *low_priority_queue; CajaFileQueue *extension_queue; /* These lists are going to be pretty short. If we think they * are going to get big, we can use hash tables instead. */ GList *call_when_ready_list; RequestCounter call_when_ready_counters; GList *monitor_list; RequestCounter monitor_counters; guint call_ready_idle_id; CajaMonitor *monitor; gulong mime_db_monitor; gboolean in_async_service_loop; gboolean state_changed; gboolean file_list_monitored; gboolean directory_loaded; gboolean directory_loaded_sent_notification; DirectoryLoadState *directory_load_in_progress; GList *pending_file_info; /* list of MateVFSFileInfo's that are pending */ int confirmed_file_count; guint dequeue_pending_idle_id; GList *new_files_in_progress; /* list of NewFilesState * */ DirectoryCountState *count_in_progress; CajaFile *deep_count_file; DeepCountState *deep_count_in_progress; MimeListState *mime_list_in_progress; CajaFile *get_info_file; GetInfoState *get_info_in_progress; CajaFile *extension_info_file; CajaInfoProvider *extension_info_provider; CajaOperationHandle *extension_info_in_progress; guint extension_info_idle; ThumbnailState *thumbnail_state; MountState *mount_state; FilesystemInfoState *filesystem_info_state; TopLeftTextReadState *top_left_read_state; LinkInfoReadState *link_info_read_state; GList *file_operations_in_progress; /* list of FileOperation * */ guint64 free_space; /* (guint)-1 for unknown */ time_t free_space_read; /* The time free_space was updated, or 0 for never */ }; CajaDirectory *caja_directory_get_existing (GFile *location); /* async. interface */ void caja_directory_async_state_changed (CajaDirectory *directory); void caja_directory_call_when_ready_internal (CajaDirectory *directory, CajaFile *file, CajaFileAttributes file_attributes, gboolean wait_for_file_list, CajaDirectoryCallback directory_callback, CajaFileCallback file_callback, gpointer callback_data); gboolean caja_directory_check_if_ready_internal (CajaDirectory *directory, CajaFile *file, CajaFileAttributes file_attributes); void caja_directory_cancel_callback_internal (CajaDirectory *directory, CajaFile *file, CajaDirectoryCallback directory_callback, CajaFileCallback file_callback, gpointer callback_data); void caja_directory_monitor_add_internal (CajaDirectory *directory, CajaFile *file, gconstpointer client, gboolean monitor_hidden_files, CajaFileAttributes attributes, CajaDirectoryCallback callback, gpointer callback_data); void caja_directory_monitor_remove_internal (CajaDirectory *directory, CajaFile *file, gconstpointer client); void caja_directory_get_info_for_new_files (CajaDirectory *directory, GList *vfs_uris); CajaFile * caja_directory_get_existing_corresponding_file (CajaDirectory *directory); void caja_directory_invalidate_count_and_mime_list (CajaDirectory *directory); gboolean caja_directory_is_file_list_monitored (CajaDirectory *directory); gboolean caja_directory_is_anyone_monitoring_file_list (CajaDirectory *directory); gboolean caja_directory_has_active_request_for_file (CajaDirectory *directory, CajaFile *file); void caja_directory_remove_file_monitor_link (CajaDirectory *directory, GList *link); void caja_directory_schedule_dequeue_pending (CajaDirectory *directory); void caja_directory_stop_monitoring_file_list (CajaDirectory *directory); void caja_directory_cancel (CajaDirectory *directory); void caja_async_destroying_file (CajaFile *file); void caja_directory_force_reload_internal (CajaDirectory *directory, CajaFileAttributes file_attributes); void caja_directory_cancel_loading_file_attributes (CajaDirectory *directory, CajaFile *file, CajaFileAttributes file_attributes); /* Calls shared between directory, file, and async. code. */ void caja_directory_emit_files_added (CajaDirectory *directory, GList *added_files); void caja_directory_emit_files_changed (CajaDirectory *directory, GList *changed_files); void caja_directory_emit_change_signals (CajaDirectory *directory, GList *changed_files); void emit_change_signals_for_all_files (CajaDirectory *directory); void emit_change_signals_for_all_files_in_all_directories (void); void caja_directory_emit_done_loading (CajaDirectory *directory); void caja_directory_emit_load_error (CajaDirectory *directory, GError *error); CajaDirectory *caja_directory_get_internal (GFile *location, gboolean create); char * caja_directory_get_name_for_self_as_new_file (CajaDirectory *directory); Request caja_directory_set_up_request (CajaFileAttributes file_attributes); /* Interface to the file list. */ CajaFile * caja_directory_find_file_by_name (CajaDirectory *directory, const char *filename); void caja_directory_add_file (CajaDirectory *directory, CajaFile *file); void caja_directory_remove_file (CajaDirectory *directory, CajaFile *file); FileMonitors * caja_directory_remove_file_monitors (CajaDirectory *directory, CajaFile *file); void caja_directory_add_file_monitors (CajaDirectory *directory, CajaFile *file, FileMonitors *monitors); void caja_directory_add_file (CajaDirectory *directory, CajaFile *file); GList * caja_directory_begin_file_name_change (CajaDirectory *directory, CajaFile *file); void caja_directory_end_file_name_change (CajaDirectory *directory, CajaFile *file, GList *node); void caja_directory_moved (const char *from_uri, const char *to_uri); /* Interface to the work queue. */ void caja_directory_add_file_to_work_queue (CajaDirectory *directory, CajaFile *file); void caja_directory_remove_file_from_work_queue (CajaDirectory *directory, CajaFile *file); /* debugging functions */ int caja_directory_number_outstanding (void);