mirror of
https://github.com/netsurf-browser/netsurf
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131 lines
4.3 KiB
C
131 lines
4.3 KiB
C
/*
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* Copyright 2006 James Bursa <bursa@users.sourceforge.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Browser history tree (interface).
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*/
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#ifndef _NETSURF_DESKTOP_HISTORY_H_
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#define _NETSURF_DESKTOP_HISTORY_H_
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#include <stdbool.h>
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struct hlcache_handle;
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struct history;
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struct browser_window;
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struct history_entry;
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struct redraw_context;
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struct history *history_create(void);
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struct history *history_clone(struct history *history);
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void history_add(struct history *history, struct hlcache_handle *content,
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const char *frag_id);
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void history_update(struct history *history, struct hlcache_handle *content);
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void history_destroy(struct history *history);
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void history_back(struct browser_window *bw, struct history *history);
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void history_forward(struct browser_window *bw, struct history *history);
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bool history_back_available(struct history *history);
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bool history_forward_available(struct history *history);
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void history_size(struct history *history, int *width, int *height);
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bool history_redraw(struct history *history, const struct redraw_context *ctx);
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bool history_redraw_rectangle(struct history *history,
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int x0, int y0, int x1, int y1, int x, int y,
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const struct redraw_context *ctx);
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bool history_click(struct browser_window *bw, struct history *history,
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int x, int y, bool new_window);
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const char *history_position_url(struct history *history, int x, int y);
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/**
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* Callback function type for history enumeration
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*
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* \param history history being enumerated
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* \param x0, y0, x1, y1 Coordinates of entry in history tree view
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* \param entry Current history entry
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* \return true to continue enumeration, false to cancel enumeration
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*/
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typedef bool (*history_enumerate_cb)(const struct history *history, int x0, int y0,
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int x1, int y1,
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const struct history_entry *entry, void *user_data);
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/**
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* Enumerate all entries in the history.
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* Do not change the history while it is being enumerated.
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*
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* \param history history to enumerate
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* \param cb callback function
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* \param user_data context pointer passed to cb
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*/
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void history_enumerate(const struct history *history, history_enumerate_cb cb, void *user_data);
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/**
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* Enumerate all entries that will be reached by the 'forward' button
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*
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* \param history The history object to enumerate in
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* \param cb The callback function
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* \param user_data Data passed to the callback
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*/
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void history_enumerate_forward( struct history *history,
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history_enumerate_cb cb, void *user_data );
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/**
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* Enumerate all entries that will be reached by the 'back' button
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*
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* \param history The history object to enumerate in
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* \param cb The callback function
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* \param user_data Data passed to the callback
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*/
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void history_enumerate_back( struct history *history,
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history_enumerate_cb cb, void *user_data );
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/**
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* Returns the URL to a history entry
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*
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* \param entry the history entry to retrieve the URL from
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* \return the URL
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*/
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const char *history_entry_get_url(const struct history_entry *entry);
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/**
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* Returns the URL to a history entry
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*
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* \param entry the history entry to retrieve the fragment id from
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* \return the fragment id
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*/
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const char *history_entry_get_fragment_id(const struct history_entry *entry);
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/**
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* Returns the title of a history entry
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*
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* \param entry the history entry to retrieve the title from
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* \return the title
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*/
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const char *history_entry_get_title(const struct history_entry *entry);
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/**
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* Open a history entry in the specified browser window
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*
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* \param bw browser window
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* \param history history containing entry
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* \param entry entry to open
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* \param new_window open entry in new window
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*/
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void history_go(struct browser_window *bw, struct history *history,
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struct history_entry *entry, bool new_window);
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#endif
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