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- /**
- * @file buddyicon.h Buddy Icon API
- * @ingroup core
- *
- * purple
- *
- * Purple is the legal property of its developers, whose names are too numerous
- * to list here. Please refer to the COPYRIGHT file distributed with this
- * source distribution.
- *
- * 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
- */
- #ifndef _PURPLE_BUDDYICON_H_
- #define _PURPLE_BUDDYICON_H_
-
- typedef struct _PurpleBuddyIcon PurpleBuddyIcon;
-
- #include "account.h"
- #include "blist.h"
- #include "imgstore.h"
- #include "prpl.h"
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
-
- /**************************************************************************/
- /** @name Buddy Icon API */
- /**************************************************************************/
- /*@{*/
-
- /**
- * Creates a new buddy icon structure and populate it.
- *
- * If the buddy icon already exists, you'll get a reference to that structure,
- * which will have been updated with the data supplied.
- *
- * @param account The account the user is on.
- * @param username The username the icon belongs to.
- * @param icon_data The buddy icon data.
- * @param icon_len The buddy icon length.
- * @param checksum A protocol checksum from the prpl or @c NULL.
- *
- * @return The buddy icon structure, with a reference for the caller.
- */
- PurpleBuddyIcon *purple_buddy_icon_new(PurpleAccount *account, const char *username,
- void *icon_data, size_t icon_len,
- const char *checksum);
-
- /**
- * Increments the reference count on a buddy icon.
- *
- * @param icon The buddy icon.
- *
- * @return @a icon.
- */
- PurpleBuddyIcon *purple_buddy_icon_ref(PurpleBuddyIcon *icon);
-
- /**
- * Decrements the reference count on a buddy icon.
- *
- * If the reference count reaches 0, the icon will be destroyed.
- *
- * @param icon The buddy icon.
- *
- * @return @a icon, or @c NULL if the reference count reached 0.
- */
- PurpleBuddyIcon *purple_buddy_icon_unref(PurpleBuddyIcon *icon);
-
- /**
- * Updates every instance of this icon.
- *
- * @param icon The buddy icon.
- */
- void purple_buddy_icon_update(PurpleBuddyIcon *icon);
-
- /**
- * Sets the buddy icon's data.
- *
- * @param icon The buddy icon.
- * @param data The buddy icon data, which the buddy icon code
- * takes ownership of and will free.
- * @param len The length of the data in @a data.
- * @param checksum A protocol checksum from the prpl or @c NULL.
- */
- void
- purple_buddy_icon_set_data(PurpleBuddyIcon *icon, guchar *data,
- size_t len, const char *checksum);
-
- /**
- * Returns the buddy icon's account.
- *
- * @param icon The buddy icon.
- *
- * @return The account.
- */
- PurpleAccount *purple_buddy_icon_get_account(const PurpleBuddyIcon *icon);
-
- /**
- * Returns the buddy icon's username.
- *
- * @param icon The buddy icon.
- *
- * @return The username.
- */
- const char *purple_buddy_icon_get_username(const PurpleBuddyIcon *icon);
-
- /**
- * Returns the buddy icon's checksum.
- *
- * This function is really only for prpl use.
- *
- * @param icon The buddy icon.
- *
- * @return The checksum.
- */
- const char *purple_buddy_icon_get_checksum(const PurpleBuddyIcon *icon);
-
- /**
- * Returns the buddy icon's data.
- *
- * @param icon The buddy icon.
- * @param len If not @c NULL, the length of the icon data returned will be
- * set in the location pointed to by this.
- *
- * @return A pointer to the icon data.
- */
- gconstpointer purple_buddy_icon_get_data(const PurpleBuddyIcon *icon, size_t *len);
-
- /**
- * Returns an extension corresponding to the buddy icon's file type.
- *
- * @param icon The buddy icon.
- *
- * @return The icon's extension, "icon" if unknown, or @c NULL if
- * the image data has disappeared.
- */
- const char *purple_buddy_icon_get_extension(const PurpleBuddyIcon *icon);
-
- /**
- * Returns a full path to an icon.
- *
- * If the icon has data and the file exists in the cache, this will return
- * a full path to the cache file.
- *
- * In general, it is not appropriate to be poking in the icon cache
- * directly. If you find yourself wanting to use this function, think
- * very long and hard about it, and then don't.
- *
- * @param icon The buddy icon
- *
- * @return A full path to the file, or @c NULL under various conditions.
- */
- char *purple_buddy_icon_get_full_path(PurpleBuddyIcon *icon);
-
- /*@}*/
-
- /**************************************************************************/
- /** @name Buddy Icon Subsystem API */
- /**************************************************************************/
- /*@{*/
-
- /**
- * Sets a buddy icon for a user.
- *
- * @param account The account the user is on.
- * @param username The username of the user.
- * @param icon_data The buddy icon data, which the buddy icon code
- * takes ownership of and will free.
- * @param icon_len The length of the icon data.
- * @param checksum A protocol checksum from the prpl or @c NULL.
- *
- * @return The buddy icon set, or NULL if no icon was set.
- */
- void
- purple_buddy_icons_set_for_user(PurpleAccount *account, const char *username,
- void *icon_data, size_t icon_len,
- const char *checksum);
-
- /**
- * Returns the checksum for the buddy icon of a specified buddy.
- *
- * This avoids loading the icon image data from the cache if it's
- * not already loaded for some other reason.
- *
- * @param buddy The buddy
- *
- * @return The checksum.
- */
- const char *
- purple_buddy_icons_get_checksum_for_user(PurpleBuddy *buddy);
-
- /**
- * Returns the buddy icon information for a user.
- *
- * @param account The account the user is on.
- * @param username The username of the user.
- *
- * @return The icon (with a reference for the caller) if found, or @c NULL if
- * not found.
- */
- PurpleBuddyIcon *
- purple_buddy_icons_find(PurpleAccount *account, const char *username);
-
- /**
- * Returns a boolean indicating if a given contact has a custom buddy icon.
- *
- * @param contact The contact
- *
- * @return A boolean indicating if @a contact has a custom buddy icon.
- */
- gboolean
- purple_buddy_icons_has_custom_icon(PurpleContact *contact);
-
- /**
- * Returns the buddy icon image for an account.
- *
- * The caller owns a reference to the image in the store, and must dereference
- * the image with purple_imgstore_unref() for it to be freed.
- *
- * This function deals with loading the icon from the cache, if
- * needed, so it should be called in any case where you want the
- * appropriate icon.
- *
- * @param account The account
- *
- * @return The account's buddy icon image.
- */
- PurpleStoredImage *
- purple_buddy_icons_find_account_icon(PurpleAccount *account);
-
- /**
- * Sets a buddy icon for an account.
- *
- * This function will deal with saving a record of the icon,
- * caching the data, etc.
- *
- * @param account The account for which to set a custom icon.
- * @param icon_data The image data of the icon, which the
- * buddy icon code will free.
- * @param icon_len The length of the data in @a icon_data.
- *
- * @return The icon that was set. The caller does NOT own
- * a reference to this, and must call purple_imgstore_ref()
- * if it wants one.
- */
- PurpleStoredImage *
- purple_buddy_icons_set_account_icon(PurpleAccount *account,
- guchar *icon_data, size_t icon_len);
-
- /**
- * Returns the timestamp of when the icon was set.
- *
- * This is intended for use in protocols that require a timestamp for
- * buddy icon update reasons.
- *
- * @param account The account
- *
- * @return The time the icon was set, or 0 if an error occurred.
- */
- time_t
- purple_buddy_icons_get_account_icon_timestamp(PurpleAccount *account);
-
- /**
- * Returns the custom buddy icon image for a contact.
- *
- * The caller owns a reference to the image in the store, and must dereference
- * the image with purple_imgstore_unref() for it to be freed.
- *
- * This function deals with loading the icon from the cache, if
- * needed, so it should be called in any case where you want the
- * appropriate icon.
- *
- * @param contact The contact
- *
- * @return The custom buddy icon image.
- */
- PurpleStoredImage *
- purple_buddy_icons_find_custom_icon(PurpleContact *contact);
-
- /**
- * Sets a custom buddy icon for a user.
- *
- * This function will deal with saving a record of the icon,
- * caching the data, etc.
- *
- * @param contact The contact for which to set a custom icon.
- * @param icon_data The image data of the icon, which the
- * buddy icon code will free.
- * @param icon_len The length of the data in @a icon_data.
- *
- * @return The icon that was set. The caller does NOT own
- * a reference to this, and must call purple_imgstore_ref()
- * if it wants one.
- */
- PurpleStoredImage *
- purple_buddy_icons_set_custom_icon(PurpleContact *contact,
- guchar *icon_data, size_t icon_len);
-
- /**
- * Sets whether or not buddy icon caching is enabled.
- *
- * @param caching TRUE of buddy icon caching should be enabled, or
- * FALSE otherwise.
- */
- void purple_buddy_icons_set_caching(gboolean caching);
-
- /**
- * Returns whether or not buddy icon caching should be enabled.
- *
- * The default is TRUE, unless otherwise specified by
- * purple_buddy_icons_set_caching().
- *
- * @return TRUE if buddy icon caching is enabled, or FALSE otherwise.
- */
- gboolean purple_buddy_icons_is_caching(void);
-
- /**
- * Sets the directory used to store buddy icon cache files.
- *
- * @param cache_dir The directory to store buddy icon cache files to.
- */
- void purple_buddy_icons_set_cache_dir(const char *cache_dir);
-
- /**
- * Returns the directory used to store buddy icon cache files.
- *
- * The default directory is PURPLEDIR/icons, unless otherwise specified
- * by purple_buddy_icons_set_cache_dir().
- *
- * @return The directory to store buddy icon cache files to.
- */
- const char *purple_buddy_icons_get_cache_dir(void);
-
- /**
- * Returns the buddy icon subsystem handle.
- *
- * @return The subsystem handle.
- */
- void *purple_buddy_icons_get_handle(void);
-
- /**
- * Initializes the buddy icon subsystem.
- */
- void purple_buddy_icons_init(void);
-
- /**
- * Uninitializes the buddy icon subsystem.
- */
- void purple_buddy_icons_uninit(void);
-
- /*@}*/
-
- /**************************************************************************/
- /** @name Buddy Icon Helper API */
- /**************************************************************************/
- /*@{*/
-
- /**
- * Gets display size for a buddy icon
- */
- void purple_buddy_icon_get_scale_size(PurpleBuddyIconSpec *spec, int *width, int *height);
-
- /*@}*/
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* _PURPLE_BUDDYICON_H_ */
-