netsurf/desktop/browser_history.h

142 lines
4.8 KiB
C

/*
* Copyright 2006 James Bursa <bursa@users.sourceforge.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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, see <http://www.gnu.org/licenses/>.
*/
/** \file
* Browser history tree (interface).
*/
#ifndef _NETSURF_DESKTOP_BROWSER_HISTORY_H_
#define _NETSURF_DESKTOP_BROWSER_HISTORY_H_
#include <stdbool.h>
#include <libwapcaplet/libwapcaplet.h>
#include "utils/errors.h"
struct hlcache_handle;
struct browser_window;
struct history_entry;
struct redraw_context;
nserror browser_window_history_create(struct browser_window *bw);
nserror browser_window_history_clone(const struct browser_window *existing,
struct browser_window *clone);
void browser_window_history_add(struct browser_window *bw,
struct hlcache_handle *content, lwc_string *frag_id);
void browser_window_history_update(struct browser_window *bw,
struct hlcache_handle *content);
void browser_window_history_destroy(struct browser_window *bw);
void browser_window_history_back(struct browser_window *bw, bool new_window);
void browser_window_history_forward(struct browser_window *bw, bool new_window);
bool browser_window_history_back_available(struct browser_window *bw);
bool browser_window_history_forward_available(struct browser_window *bw);
void browser_window_history_size(struct browser_window *bw,
int *width, int *height);
bool browser_window_history_redraw(struct browser_window *bw,
const struct redraw_context *ctx);
bool browser_window_history_redraw_rectangle(struct browser_window *bw,
int x0, int y0, int x1, int y1, int x, int y,
const struct redraw_context *ctx);
bool browser_window_history_click(struct browser_window *bw,
int x, int y, bool new_window);
const char *browser_window_history_position_url(struct browser_window *bw,
int x, int y);
/**
* Callback function type for history enumeration
*
* \param bw The browser window with history being enumerated
* \param x0, y0, x1, y1 Coordinates of entry in history tree view
* \param entry Current history entry
* \return true to continue enumeration, false to cancel enumeration
*/
typedef bool (*browser_window_history_enumerate_cb)(
const struct browser_window *bw,
int x0, int y0, int x1, int y1,
const struct history_entry *entry, void *user_data);
/**
* Enumerate all entries in the history.
* Do not change the history while it is being enumerated.
*
* \param bw The browser window to enumerate history of
* \param cb callback function
* \param user_data context pointer passed to cb
*/
void browser_window_history_enumerate(const struct browser_window *bw,
browser_window_history_enumerate_cb cb, void *user_data);
/**
* Enumerate all entries that will be reached by the 'forward' button
*
* \param bw The browser window to enumerate history of
* \param cb The callback function
* \param user_data Data passed to the callback
*/
void browser_window_history_enumerate_forward(const struct browser_window *bw,
browser_window_history_enumerate_cb cb, void *user_data);
/**
* Enumerate all entries that will be reached by the 'back' button
*
* \param bw The browser window to enumerate history of
* \param cb The callback function
* \param user_data Data passed to the callback
*/
void browser_window_history_enumerate_back(const struct browser_window *bw,
browser_window_history_enumerate_cb cb, void *user_data);
/**
* Returns the URL to a history entry
*
* \param entry the history entry to retrieve the URL from
* \return the URL
*/
const char *browser_window_history_entry_get_url(
const struct history_entry *entry);
/**
* Returns the URL to a history entry
*
* \param entry the history entry to retrieve the fragment id from
* \return the fragment id
*/
const char *browser_window_history_entry_get_fragment_id(
const struct history_entry *entry);
/**
* Returns the title of a history entry
*
* \param entry the history entry to retrieve the title from
* \return the title
*/
const char *browser_window_history_entry_get_title(
const struct history_entry *entry);
/**
* Navigate to specified history entry, optionally in new window
*
* \param bw browser window
* \param entry entry to open
* \param new_window open entry in new window
*/
void browser_window_history_go(struct browser_window *bw,
struct history_entry *entry, bool new_window);
#endif