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netsurf/riscos/save.c

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/*
* Copyright 2004-2007 James Bursa <bursa@users.sourceforge.net>
* Copyright 2005 Adrian Lees <adrianl@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
* Save dialog and drag and drop saving (implementation).
*/
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "oslib/dragasprite.h"
#include "oslib/osbyte.h"
#include "oslib/osfile.h"
#include "oslib/osmodule.h"
#include "oslib/osspriteop.h"
#include "oslib/wimp.h"
#include "oslib/wimpspriteop.h"
#include "utils/config.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utf8.h"
#include "utils/utils.h"
#include "content/content.h"
#include "content/hlcache.h"
#include "desktop/browser.h"
#include "desktop/hotlist.h"
#include "desktop/global_history.h"
#include "desktop/version.h"
#include "desktop/save_complete.h"
#include "desktop/save_text.h"
#include "desktop/thumbnail.h"
#include "desktop/gui_window.h"
#include "image/bitmap.h"
#include "render/form.h"
#include "riscos/bitmap.h"
#include "riscos/dialog.h"
#include "riscos/gui.h"
#include "riscos/menus.h"
#include "riscos/message.h"
#include "riscos/mouse.h"
#include "utils/nsoption.h"
#include "riscos/query.h"
#include "riscos/save.h"
#include "riscos/save_draw.h"
#include "riscos/save_pdf.h"
#include "riscos/textselection.h"
#include "riscos/thumbnail.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "riscos/ucstables.h"
#include "riscos/filetype.h"
//typedef enum
//{
// QueryRsn_Quit,
// QueryRsn_Abort,
// QueryRsn_Overwrite
//} query_reason;
/**todo - much of the state information for a save should probably be moved into a structure
now since we could have multiple saves outstanding */
static gui_save_type gui_save_current_type;
static hlcache_handle *gui_save_content = NULL;
static char *gui_save_selection = NULL;
static const char *gui_save_url = NULL;
static const char *gui_save_title = NULL;
static int gui_save_filetype;
static query_id gui_save_query;
static bool gui_save_send_dataload;
static wimp_message gui_save_message;
static bool gui_save_close_after = true;
static bool dragbox_active = false; /** in-progress Wimp_DragBox/DragASprite op */
static bool using_dragasprite = true;
static bool saving_from_dialog = true;
static osspriteop_area *saveas_area = NULL;
static wimp_w gui_save_sourcew = (wimp_w)-1;
#define LEAFNAME_MAX 200
static char save_leafname[LEAFNAME_MAX];
/** Current save directory (updated by and used for dialog-based saving) */
static char *save_dir = NULL;
static size_t save_dir_len;
typedef enum { LINK_ACORN, LINK_ANT, LINK_TEXT } link_format;
static bool ro_gui_save_complete(hlcache_handle *h, char *path);
static bool ro_gui_save_content(hlcache_handle *h, char *path, bool force_overwrite);
static void ro_gui_save_done(void);
static void ro_gui_save_bounced(wimp_message *message);
static bool ro_gui_save_object_native(hlcache_handle *h, char *path);
static bool ro_gui_save_link(const char *url, const char *title, link_format format, char *path);
static void ro_gui_save_set_state(hlcache_handle *h, gui_save_type save_type,
const nsurl *url, char *leaf_buf, size_t leaf_len,
char *icon_buf, size_t icon_len);
static void ro_gui_save_drag_end(wimp_dragged *drag, void *data);
static bool ro_gui_save_create_thumbnail(hlcache_handle *h, const char *name);
static void ro_gui_save_overwrite_confirmed(query_id, enum query_response res, void *p);
static void ro_gui_save_overwrite_cancelled(query_id, enum query_response res, void *p);
static const query_callback overwrite_funcs =
{
ro_gui_save_overwrite_confirmed,
ro_gui_save_overwrite_cancelled
};
/** An entry in gui_save_table. */
struct gui_save_table_entry {
int filetype;
const char *name;
};
/** Table of filetypes and default filenames. Must be in sync with
* gui_save_type (riscos/gui.h). A filetype of 0 indicates the content should
* be used.
*/
static const struct gui_save_table_entry gui_save_table[] = {
/* GUI_SAVE_SOURCE, */ { 0, "SaveSource" },
/* GUI_SAVE_DRAW, */ { 0xaff, "SaveDraw" },
/* GUI_SAVE_PDF, */ { 0xadf, "SavePDF" },
/* GUI_SAVE_TEXT, */ { 0xfff, "SaveText" },
/* GUI_SAVE_COMPLETE, */ { 0xfaf, "SaveComplete" },
/* GUI_SAVE_OBJECT_ORIG, */ { 0, "SaveObject" },
/* GUI_SAVE_OBJECT_NATIVE, */ { 0, "SaveObject" },
/* GUI_SAVE_LINK_URI, */ { 0xf91, "SaveLink" },
/* GUI_SAVE_LINK_URL, */ { 0xb28, "SaveLink" },
/* GUI_SAVE_LINK_TEXT, */ { 0xfff, "SaveLink" },
/* GUI_SAVE_HOTLIST_EXPORT_HTML, */ { 0xfaf, "Hotlist" },
/* GUI_SAVE_HISTORY_EXPORT_HTML, */ { 0xfaf, "History" },
/* GUI_SAVE_TEXT_SELECTION, */ { 0xfff, "SaveSelection" },
};
/**
* Create the saveas dialogue from the given template, and the sprite area
* necessary for our thumbnail (full page save)
*
* \param template_name name of template to be used
* \return window handle of created dialogue
*/
wimp_w ro_gui_saveas_create(const char *template_name)
{
const int sprite_size = (68 * 68 * 4) + ((68 * 68) / 8); /* 32bpp with mask */
int area_size = sizeof(osspriteop_area) + sizeof(osspriteop_header) +
256 * 8 + sprite_size;
void *area = NULL;
wimp_window *window;
os_error *error;
wimp_icon *icons;
wimp_w w;
window = ro_gui_dialog_load_template(template_name);
assert(window);
icons = window->icons;
error = xosmodule_alloc(area_size, (void **) &area);
if (error) {
LOG(("xosmodule_alloc: 0x%x: %s", error->errnum, error->errmess));
xwimp_close_template();
die(error->errmess);
} else {
saveas_area = area;
saveas_area->size = area_size;
saveas_area->first = 16;
error = xosspriteop_clear_sprites(osspriteop_USER_AREA, saveas_area);
if (error) {
LOG(("xosspriteop_clear_sprites: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
xosmodule_free(saveas_area);
saveas_area = NULL;
}
}
assert((icons[ICON_SAVE_ICON].flags &
(wimp_ICON_TEXT | wimp_ICON_SPRITE | wimp_ICON_INDIRECTED)) ==
(wimp_ICON_SPRITE | wimp_ICON_INDIRECTED));
icons[ICON_SAVE_ICON].data.indirected_sprite.area = saveas_area;
/* create window */
error = xwimp_create_window(window, &w);
if (error) {
LOG(("xwimp_create_window: 0x%x: %s",
error->errnum, error->errmess));
xwimp_close_template();
die(error->errmess);
}
/* the window definition is copied by the wimp and may be freed */
free(window);
return w;
}
/**
* Clean-up function that releases our sprite area and memory.
*/
void ro_gui_saveas_quit(void)
{
if (saveas_area) {
os_error *error = xosmodule_free(saveas_area);
if (error) {
LOG(("xosmodule_free: 0x%x: %s", error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
}
saveas_area = NULL;
}
free(save_dir);
save_dir = NULL;
}
/**
* Prepares the save box to reflect gui_save_type and a content, and
* opens it.
*
* \param save_type type of save
* \param h content to save
* \param s selection to save
* \param url url to be saved (link types)
* \param title title (if any), when saving links
*/
void ro_gui_save_prepare(gui_save_type save_type, hlcache_handle *h,
char *s, const nsurl *url, const char *title)
{
char name_buf[FILENAME_MAX];
size_t leaf_offset = 0;
char icon_buf[20];
assert( (save_type == GUI_SAVE_LINK_URI) ||
(save_type == GUI_SAVE_LINK_URL) ||
(save_type == GUI_SAVE_LINK_TEXT) ||
(save_type == GUI_SAVE_HOTLIST_EXPORT_HTML) ||
(save_type == GUI_SAVE_HISTORY_EXPORT_HTML) ||
(save_type == GUI_SAVE_TEXT_SELECTION) || h);
if (gui_save_selection == NULL)
free(gui_save_selection);
gui_save_selection = s;
if (url != NULL) {
gui_save_url = nsurl_access(url);
} else {
gui_save_url = NULL;
}
gui_save_title = title;
if (save_dir) {
leaf_offset = save_dir_len;
memcpy(name_buf, save_dir, leaf_offset);
name_buf[leaf_offset++] = '.';
}
if (h != NULL) {
url = hlcache_handle_get_url(h);
}
ro_gui_save_set_state(h, save_type, url,
name_buf + leaf_offset, FILENAME_MAX - leaf_offset,
icon_buf, sizeof(icon_buf));
ro_gui_set_icon_sprite(dialog_saveas, ICON_SAVE_ICON, saveas_area,
icon_buf);
ro_gui_set_icon_string(dialog_saveas, ICON_SAVE_PATH, name_buf, true);
ro_gui_wimp_event_memorise(dialog_saveas);
}
/**
* Starts a drag for the save dialog
*
* \param pointer mouse position info from Wimp
*/
void ro_gui_save_start_drag(wimp_pointer *pointer)
{
if (pointer->buttons & (wimp_DRAG_SELECT | wimp_DRAG_ADJUST)) {
const char *sprite = ro_gui_get_icon_string(pointer->w, pointer->i);
int x = pointer->pos.x, y = pointer->pos.y;
wimp_window_state wstate;
wimp_icon_state istate;
/* start the drag from the icon's exact location, rather than the pointer */
istate.w = wstate.w = pointer->w;
istate.i = pointer->i;
if (!xwimp_get_window_state(&wstate) && !xwimp_get_icon_state(&istate)) {
x = (istate.icon.extent.x1 + istate.icon.extent.x0)/2 +
wstate.visible.x0 - wstate.xscroll;
y = (istate.icon.extent.y1 + istate.icon.extent.y0)/2 +
wstate.visible.y1 - wstate.yscroll;
}
ro_mouse_drag_start(ro_gui_save_drag_end, NULL, NULL, NULL);
gui_save_sourcew = pointer->w;
saving_from_dialog = true;
gui_save_close_after = !(pointer->buttons & wimp_DRAG_ADJUST);
ro_gui_drag_icon(x, y, sprite);
}
}
/**
* Handle OK click/keypress in the save dialog.
*
* \param w window handle of save dialog
* \return true on success, false on failure
*/
bool ro_gui_save_ok(wimp_w w)
{
const char *name = ro_gui_get_icon_string(w, ICON_SAVE_PATH);
wimp_pointer pointer;
char path[256];
if (!strrchr(name, '.')) {
warn_user("NoPathError", NULL);
return false;
}
ro_gui_convert_save_path(path, sizeof path, name);
gui_save_sourcew = w;
saving_from_dialog = true;
gui_save_send_dataload = false;
gui_save_close_after = xwimp_get_pointer_info(&pointer)
|| !(pointer.buttons & wimp_CLICK_ADJUST);
memcpy(&gui_save_message.data.data_xfer.file_name, path, 1 + strlen(path));
if (ro_gui_save_content(gui_save_content, path, !nsoption_bool(confirm_overwrite))) {
ro_gui_save_done();
return true;
}
return false;
}
/**
* Initiates drag saving of an object directly from a browser window
*
* \param save_type type of save
* \param c content to save
* \param g gui window
*/
void gui_drag_save_object(struct gui_window *g, hlcache_handle *c,
gui_save_type save_type)
{
wimp_pointer pointer;
char icon_buf[20];
os_error *error;
/* Close the save window because otherwise we need two contexts
*/
xwimp_create_menu(wimp_CLOSE_MENU, 0, 0);
ro_gui_dialog_close(dialog_saveas);
gui_save_sourcew = g->window;
saving_from_dialog = false;
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
ro_gui_save_set_state(c, save_type, hlcache_handle_get_url(c),
save_leafname, LEAFNAME_MAX,
icon_buf, sizeof(icon_buf));
ro_mouse_drag_start(ro_gui_save_drag_end, NULL, NULL, NULL);
ro_gui_drag_icon(pointer.pos.x, pointer.pos.y, icon_buf);
}
/**
* Initiates drag saving of a selection from a browser window
*
* \param g gui window
* \param selection selection object
*/
void gui_drag_save_selection(struct gui_window *g, const char *selection)
{
wimp_pointer pointer;
char icon_buf[20];
os_error *error;
/* Close the save window because otherwise we need two contexts
*/
xwimp_create_menu(wimp_CLOSE_MENU, 0, 0);
ro_gui_dialog_close(dialog_saveas);
gui_save_sourcew = g->window;
saving_from_dialog = false;
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
if (gui_save_selection == NULL)
free(gui_save_selection);
if (selection == NULL)
gui_save_selection = strdup("");
else
gui_save_selection = strdup(selection);
ro_gui_save_set_state(NULL, GUI_SAVE_TEXT_SELECTION, NULL,
save_leafname, LEAFNAME_MAX,
icon_buf, sizeof(icon_buf));
ro_mouse_drag_start(ro_gui_save_drag_end, NULL, NULL, NULL);
ro_gui_drag_icon(pointer.pos.x, pointer.pos.y, icon_buf);
}
/**
* Initiates drag saving of a link/URL file
*
* \param save_type format in which URL should be saved
* \param url url to be saved
* \param title title to be included in URI format, if any
* \param g gui window to save from
* \
*/
void ro_gui_drag_save_link(gui_save_type save_type, const nsurl *url,
const char *title, struct gui_window *g)
{
wimp_pointer pointer;
char icon_buf[20];
os_error *error;
/* Close the save window because otherwise we need two contexts
*/
xwimp_create_menu(wimp_CLOSE_MENU, 0, 0);
ro_gui_dialog_close(dialog_saveas);
gui_save_url = nsurl_access(url);
gui_save_title = title;
gui_save_sourcew = g->window;
saving_from_dialog = false;
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
ro_gui_save_set_state(NULL, save_type, url, save_leafname,
LEAFNAME_MAX, icon_buf, sizeof(icon_buf));
ro_mouse_drag_start(ro_gui_save_drag_end, NULL, NULL, NULL);
ro_gui_drag_icon(pointer.pos.x, pointer.pos.y, icon_buf);
}
/**
* Start drag of icon under the pointer.
*/
void ro_gui_drag_icon(int x, int y, const char *sprite)
{
os_error *error;
wimp_drag drag;
int r2;
drag.initial.x0 = x - 34;
drag.initial.y0 = y - 34;
drag.initial.x1 = x + 34;
drag.initial.y1 = y + 34;
if (sprite && (xosbyte2(osbyte_READ_CMOS, 28, 0, &r2) || (r2 & 2))) {
osspriteop_area *area = (osspriteop_area*)1;
/* first try our local sprite area in case it's a thumbnail sprite */
if (saveas_area) {
error = xosspriteop_select_sprite(osspriteop_USER_AREA,
saveas_area, (osspriteop_id)sprite, NULL);
if (error) {
if (error->errnum != error_SPRITE_OP_DOESNT_EXIST) {
LOG(("xosspriteop_select_sprite: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
}
}
else
area = saveas_area;
}
error = xdragasprite_start(dragasprite_HPOS_CENTRE |
dragasprite_VPOS_CENTRE |
dragasprite_BOUND_POINTER |
dragasprite_DROP_SHADOW,
area, sprite, &drag.initial, 0);
if (!error) {
using_dragasprite = true;
dragbox_active = true;
return;
}
LOG(("xdragasprite_start: 0x%x: %s",
error->errnum, error->errmess));
}
drag.type = wimp_DRAG_USER_FIXED;
drag.bbox.x0 = -0x8000;
drag.bbox.y0 = -0x8000;
drag.bbox.x1 = 0x7fff;
drag.bbox.y1 = 0x7fff;
using_dragasprite = false;
error = xwimp_drag_box(&drag);
if (error) {
LOG(("xwimp_drag_box: 0x%x: %s",
error->errnum, error->errmess));
warn_user("DragError", error->errmess);
}
else
dragbox_active = true;
}
/**
* Convert a ctrl-char terminated pathname possibly containing spaces
* to a NUL-terminated one containing only hard spaces.
*
* \param dp destination buffer to receive pathname
* \param len size of destination buffer
* \param p source pathname, ctrl-char terminated
*/
void ro_gui_convert_save_path(char *dp, size_t len, const char *p)
{
char *ep = dp + len - 1; /* leave room for NUL */
assert(p <= dp || p > ep); /* in-situ conversion /is/ allowed */
while (dp < ep && *p >= ' ') /* ctrl-char terminated */
{
*dp++ = (*p == ' ') ? 160 : *p;
p++;
}
*dp = '\0';
}
void ro_gui_drag_box_cancel(void)
{
if (dragbox_active) {
os_error *error;
if (using_dragasprite) {
error = xdragasprite_stop();
if (error) {
LOG(("xdragasprite_stop: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
else {
error = xwimp_drag_box(NULL);
if (error) {
LOG(("xwimp_drag_box: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
dragbox_active = false;
}
}
/**
* Handle User_Drag_Box event for a drag from the save dialog or browser window.
*
* \param *drag The Wimp_DragEnd data block.
* \param *data NULL, as function is used as a callback from ro_mouse.
*/
static void ro_gui_save_drag_end(wimp_dragged *drag, void *data)
{
const char *name;
wimp_pointer pointer;
wimp_message message;
os_error *error;
char *dp, *ep;
char *local_name = NULL;
if (dragbox_active)
ro_gui_drag_box_cancel();
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
/* perform hit-test if the destination is the same as the source window;
we want to allow drag-saving from a page into the input fields within
the page, but avoid accidental replacements of the current page */
if (gui_save_sourcew != (wimp_w)-1 && pointer.w == gui_save_sourcew) {
int dx = (drag->final.x1 + drag->final.x0)/2;
int dy = (drag->final.y1 + drag->final.y0)/2;
struct gui_window *g;
bool dest_ok = false;
os_coord pos;
g = ro_gui_window_lookup(gui_save_sourcew);
if (g && ro_gui_window_to_window_pos(g, dx, dy, &pos)) {
dest_ok = browser_window_drop_file_at_point(g->bw,
pos.x, pos.y, NULL);
}
if (!dest_ok)
return;
}
if (!saving_from_dialog) {
/* saving directly from browser window, choose a
* name based upon the URL */
nserror err;
err = utf8_to_local_encoding(save_leafname, 0, &local_name);
if (err != NSERROR_OK) {
/* badenc should never happen */
assert(err != NSERROR_BAD_ENCODING);
local_name = NULL;
}
name = local_name ? local_name : save_leafname;
}
else {
char *dot;
/* saving from dialog, grab leafname from icon */
name = ro_gui_get_icon_string(gui_save_sourcew, ICON_SAVE_PATH);
dot = strrchr(name, '.');
if (dot)
name = dot + 1;
}
dp = message.data.data_xfer.file_name;
ep = dp + sizeof message.data.data_xfer.file_name;
if (gui_save_current_type == GUI_SAVE_COMPLETE) {
message.data.data_xfer.file_type = 0x2000;
if (*name != '!') *dp++ = '!';
} else
message.data.data_xfer.file_type = gui_save_filetype;
ro_gui_convert_save_path(dp, ep - dp, name);
/* \todo - we're supposed to set this if drag-n-drop used */
message.your_ref = 0;
message.action = message_DATA_SAVE;
message.data.data_xfer.w = pointer.w;
message.data.data_xfer.i = pointer.i;
message.data.data_xfer.pos.x = pointer.pos.x;
message.data.data_xfer.pos.y = pointer.pos.y;
message.data.data_xfer.est_size = 1000;
message.size = 44 + ((strlen(message.data.data_xfer.file_name) + 4) &
(~3u));
ro_message_send_message_to_window(wimp_USER_MESSAGE_RECORDED, &message,
pointer.w, pointer.i, ro_gui_save_bounced, NULL);
gui_current_drag_type = GUI_DRAG_SAVE;
free(local_name);
}
/**
* Send DataSave message on behalf of clipboard code and remember that it's the
* clipboard contents we're being asked for when the DataSaveAck reply arrives
*/
void ro_gui_send_datasave(gui_save_type save_type,
wimp_full_message_data_xfer *message, wimp_t to)
{
/* Close the save window because otherwise we need two contexts
*/
xwimp_create_menu(wimp_CLOSE_MENU, 0, 0);
ro_gui_dialog_close(dialog_saveas);
if (ro_message_send_message(wimp_USER_MESSAGE_RECORDED, (wimp_message*)message,
to, ro_gui_save_bounced)) {
gui_save_current_type = save_type;
gui_save_sourcew = (wimp_w)-1;
saving_from_dialog = false;
gui_current_drag_type = GUI_DRAG_SAVE;
}
}
/**
* Handle lack of Message_DataSaveAck for drags, saveas dialogs and clipboard code
*/
void ro_gui_save_bounced(wimp_message *message)
{
gui_current_drag_type = GUI_DRAG_NONE;
}
/**
* Handle Message_DataSaveAck for a drag from the save dialog or browser window,
* or Clipboard protocol.
*/
void ro_gui_save_datasave_ack(wimp_message *message)
{
char *path = message->data.data_xfer.file_name;
hlcache_handle *h = gui_save_content;
bool force_overwrite;
switch (gui_save_current_type) {
case GUI_SAVE_LINK_URI:
case GUI_SAVE_LINK_URL:
case GUI_SAVE_LINK_TEXT:
case GUI_SAVE_HOTLIST_EXPORT_HTML:
case GUI_SAVE_HISTORY_EXPORT_HTML:
case GUI_SAVE_TEXT_SELECTION:
case GUI_SAVE_CLIPBOARD_CONTENTS:
break;
default:
if (!gui_save_content) {
LOG(("unexpected DataSaveAck: gui_save_content not set"));
return;
}
break;
}
if (saving_from_dialog)
ro_gui_set_icon_string(gui_save_sourcew, ICON_SAVE_PATH,
path, true);
gui_save_send_dataload = true;
memcpy(&gui_save_message, message, sizeof(gui_save_message));
/* if saving/pasting to another application, don't request user
confirmation; a ScrapFile almost certainly exists already */
if (message->data.data_xfer.est_size == -1)
force_overwrite = true;
else
force_overwrite = !nsoption_bool(confirm_overwrite);
if (ro_gui_save_content(h, path, force_overwrite))
ro_gui_save_done();
}
/**
* Does the actual saving
*
* \param h handle to content to save (or NULL for other)
* \param path path to save as
* \param force_overwrite true iff required to overwrite without prompting
* \return true on success,
* false on (i) error and error reported
* or (ii) deferred awaiting user confirmation
*/
bool ro_gui_save_content(hlcache_handle *h, char *path, bool force_overwrite)
{
os_error *error;
const char *source_data;
unsigned long source_size;
/* does the user want to check for collisions when saving? */
if (!force_overwrite) {
fileswitch_object_type obj_type;
/* check whether the destination file/dir already exists */
error = xosfile_read_stamped(path, &obj_type,
NULL, NULL, NULL, NULL, NULL);
if (error) {
LOG(("xosfile_read_stamped: 0x%x:%s", error->errnum, error->errmess));
warn_user("SaveError", error->errmess);
return false;
}
switch (obj_type) {
case osfile_NOT_FOUND:
break;
case osfile_IS_FILE:
gui_save_query = query_user("OverwriteFile", NULL, &overwrite_funcs, NULL,
messages_get("Replace"), messages_get("DontReplace"));
// gui_save_query_rsn = QueryRsn_Overwrite;
return false;
default:
error = xosfile_make_error(path, obj_type);
assert(error);
warn_user("SaveError", error->errmess);
return false;
}
}
switch (gui_save_current_type) {
#ifdef WITH_DRAW_EXPORT
case GUI_SAVE_DRAW:
return save_as_draw(h, path);
#endif
#ifdef WITH_PDF_EXPORT
case GUI_SAVE_PDF:
return save_as_pdf(h, path);
#endif
case GUI_SAVE_TEXT:
save_as_text(h, path);
xosfile_set_type(path, 0xfff);
break;
case GUI_SAVE_COMPLETE:
assert(h);
if (content_get_type(h) == CONTENT_HTML) {
if (strcmp(path, "<Wimp$Scrap>"))
return ro_gui_save_complete(h, path);
/* we can't send a whole directory to another
* application, so just send the HTML source */
gui_save_current_type = GUI_SAVE_SOURCE;
}
else
gui_save_current_type = GUI_SAVE_OBJECT_ORIG; /* \todo do this earlier? */
/* no break */
case GUI_SAVE_SOURCE:
case GUI_SAVE_OBJECT_ORIG:
source_data = content_get_source_data(h, &source_size);
error = xosfile_save_stamped(path,
ro_content_filetype(h),
(byte *) source_data,
(byte *) source_data + source_size);
if (error) {
LOG(("xosfile_save_stamped: 0x%x: %s",
error->errnum, error->errmess));
warn_user("SaveError", error->errmess);
return false;
}
break;
case GUI_SAVE_OBJECT_NATIVE:
return ro_gui_save_object_native(h, path);
case GUI_SAVE_LINK_URI:
return ro_gui_save_link(gui_save_url, gui_save_title,
LINK_ACORN, path);
case GUI_SAVE_LINK_URL:
return ro_gui_save_link(gui_save_url, gui_save_title,
LINK_ANT, path);
case GUI_SAVE_LINK_TEXT:
return ro_gui_save_link(gui_save_url, gui_save_title,
LINK_TEXT, path);
case GUI_SAVE_HOTLIST_EXPORT_HTML:
if (hotlist_export(path, NULL) != NSERROR_OK)
return false;
error = xosfile_set_type(path, 0xfaf);
if (error)
LOG(("xosfile_set_type: 0x%x: %s",
error->errnum, error->errmess));
break;
case GUI_SAVE_HISTORY_EXPORT_HTML:
if (global_history_export(path, NULL) != NSERROR_OK)
return false;
error = xosfile_set_type(path, 0xfaf);
if (error)
LOG(("xosfile_set_type: 0x%x: %s",
error->errnum, error->errmess));
break;
case GUI_SAVE_TEXT_SELECTION:
if (gui_save_selection == NULL)
return false;
if (!utf8_save_text(gui_save_selection, path)) {
free(gui_save_selection);
gui_save_selection = NULL;
return false;
}
free(gui_save_selection);
gui_save_selection = NULL;
xosfile_set_type(path, 0xfff);
break;
case GUI_SAVE_CLIPBOARD_CONTENTS:
return ro_gui_save_clipboard(path);
default:
LOG(("Unexpected content type: %d, path %s",
gui_save_current_type, path));
return false;
}
return true;
}
/**
* Save completed, inform recipient and close our 'save as' dialog.
*/
void ro_gui_save_done(void)
{
os_error *error;
if (gui_save_send_dataload) {
/* Ack successful save with message_DATA_LOAD */
wimp_message *message = &gui_save_message;
message->action = message_DATA_LOAD;
message->your_ref = message->my_ref;
error = xwimp_send_message(wimp_USER_MESSAGE, message,
message->sender);
if (error) {
LOG(("xwimp_send_message: 0x%x: %s",
error->errnum, error->errmess));
warn_user("SaveError", error->errmess);
}
}
if (saving_from_dialog) {
/* remember the save directory if saving to the Filer */
if (!gui_save_send_dataload ||
gui_save_message.data.data_xfer.est_size != -1) {
char *sp = gui_save_message.data.data_xfer.file_name;
char *ep = sp + sizeof(gui_save_message.data.data_xfer.file_name);
char *lastdot = NULL;
char *p = sp;
while (p < ep && *p >= 0x20) {
if (*p == '.') {
/* don't remember the directory if it's a temporary file */
if (!lastdot && p == sp + 12 &&
!memcmp(sp, "<Wimp$Scrap>", 12)) break;
lastdot = p;
}
p++;
}
if (lastdot) {
/* remember the directory */
char *new_dir = realloc(save_dir, (lastdot+1)-sp);
if (new_dir) {
save_dir_len = lastdot - sp;
memcpy(new_dir, sp, save_dir_len);
new_dir[save_dir_len] = '\0';
save_dir = new_dir;
}
}
}
if (gui_save_close_after) {
/* Close the save window */
ro_gui_dialog_close(dialog_saveas);
error = xwimp_create_menu(wimp_CLOSE_MENU, 0, 0);
if (error) {
LOG(("xwimp_create_menu: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MenuError", error->errmess);
}
}
}
if (!saving_from_dialog || gui_save_close_after)
gui_save_content = 0;
}
static void ro_gui_save_set_file_type(const char *path, lwc_string *mime_type)
{
int rotype = ro_content_filetype_from_mime_type(mime_type);
os_error *error;
error = xosfile_set_type(path, rotype);
if (error != NULL) {
LOG(("xosfile_set_type: 0x%x: %s",
error->errnum, error->errmess));
}
}
/**
* Prepare an application directory and save_complete() to it.
*
* \param h content of type CONTENT_HTML to save
* \param path path to save as
* \return true on success, false on error and error reported
*/
#define WIDTH 64
#define HEIGHT 64
#define SPRITE_SIZE (16 + 44 + ((WIDTH / 2 + 3) & ~3) * HEIGHT / 2)
bool ro_gui_save_complete(hlcache_handle *h, char *path)
{
void *spr = ((byte *) saveas_area) + saveas_area->first;
osspriteop_header *sprite = (osspriteop_header *) spr;
char name[12];
char buf[256];
FILE *fp;
os_error *error;
size_t len;
char *dot;
int i;
/* Create dir */
error = xosfile_create_dir(path, 0);
if (error) {
LOG(("xosfile_create_dir: 0x%x: %s",
error->errnum, error->errmess));
warn_user("SaveError", error->errmess);
return false;
}
/* Save !Run file */
snprintf(buf, sizeof buf, "%s.!Run", path);
fp = fopen(buf, "w");
if (!fp) {
LOG(("fopen(): errno = %i", errno));
warn_user("SaveError", strerror(errno));
return false;
}
fprintf(fp, "IconSprites <Obey$Dir>.!Sprites\n");
fprintf(fp, "Filer_Run <Obey$Dir>.index\n");
fclose(fp);
error = xosfile_set_type(buf, 0xfeb);
if (error) {
LOG(("xosfile_set_type: 0x%x: %s",
error->errnum, error->errmess));
warn_user("SaveError", error->errmess);
return false;
}
/* Make sure the sprite name matches the directory name, because
the user may have renamed the directory since we created the
thumbnail sprite */
dot = strrchr(path, '.');
if (dot) dot++; else dot = path;
len = strlen(dot);
if (len >= 12) len = 12;
memcpy(name, sprite->name, 12); /* remember original name */
memcpy(sprite->name, dot, len);
memset(sprite->name + len, 0, 12 - len);
for (i = 0; i < 12; i++) /* convert to lower case */
if (sprite->name[i] != '\0')
sprite->name[i] = tolower(sprite->name[i]);
/* Create !Sprites */
snprintf(buf, sizeof buf, "%s.!Sprites", path);
error = xosspriteop_save_sprite_file(osspriteop_NAME, saveas_area, buf);
if (error) {
LOG(("xosspriteop_save_sprite_file: 0x%x: %s",
error->errnum, error->errmess));
warn_user("SaveError", error->errmess);
return false;
}
/* restore sprite name in case the save fails and we need to try again */
memcpy(sprite->name, name, 12);
/* save URL file with original URL */
snprintf(buf, sizeof buf, "%s.URL", path);
if (!ro_gui_save_link(nsurl_access(hlcache_handle_get_url(h)),
content_get_title(h), LINK_ANT, buf))
return false;
return save_complete(h, path, ro_gui_save_set_file_type);
}
bool ro_gui_save_object_native(hlcache_handle *h, char *path)
{
int file_type = ro_content_filetype(h);
if (file_type == osfile_TYPE_SPRITE || file_type == osfile_TYPE_DRAW) {
/* Native sprite or drawfile */
const char *source_data;
unsigned long source_size;
os_error *error;
source_data = content_get_source_data(h, &source_size);
error = xosfile_save_stamped(path, file_type,
(byte *) source_data,
(byte *) source_data + source_size);
if (error != NULL) {
LOG(("xosfile_save_stamped: 0x%x: %s",
error->errnum, error->errmess));
warn_user("SaveError", error->errmess);
return false;
}
} else {
/* Non-native type: export */
switch (ro_content_native_type(h)) {
case osfile_TYPE_SPRITE:
{
unsigned flags = (os_version == 0xA9) ?
BITMAP_SAVE_FULL_ALPHA : 0;
bitmap_save(content_get_bitmap(h), path, flags);
}
break;
case osfile_TYPE_DRAW:
/* Must be SVG */
return save_as_draw(h, path);
default:
return false;
}
}
return true;
}
/**
* Save a link file.
*
* \param url url to be saved
* \param title corresponding title, if any
* \param format format of link file
* \param path pathname for link file
* \return true on success, false on failure and reports the error
*/
bool ro_gui_save_link(const char *url, const char *title, link_format format,
char *path)
{
FILE *fp = fopen(path, "w");
if (!fp) {
warn_user("SaveError", strerror(errno));
return false;
}
switch (format) {
case LINK_ACORN: /* URI */
fprintf(fp, "%s\t%s\n", "URI", "100");
fprintf(fp, "\t# NetSurf %s\n\n", netsurf_version);
fprintf(fp, "\t%s\n", url);
if (title)
fprintf(fp, "\t%s\n", title);
else
fprintf(fp, "\t*\n");
break;
case LINK_ANT: /* URL */
case LINK_TEXT: /* Text */
fprintf(fp, "%s\n", url);
break;
}
fclose(fp);
switch (format) {
case LINK_ACORN: /* URI */
xosfile_set_type(path, 0xf91);
break;
case LINK_ANT: /* URL */
xosfile_set_type(path, 0xb28);
break;
case LINK_TEXT: /* Text */
xosfile_set_type(path, 0xfff);
break;
}
return true;
}
/**
* Suggest a leafname and sprite name for the given content.
*
* \param h content being saved
* \param save_type type of save operation being performed
* \param url used to determine leafname
* \param leaf_buf buffer to receive suggested leafname.
* \param leaf_len size of buffer to receive suggested leafname.
* \param icon_buf buffer to receive sprite name.
* \param icon_len size of buffer to receive icon name.
*/
void ro_gui_save_set_state(hlcache_handle *h, gui_save_type save_type,
const nsurl *url, char *leaf_buf, size_t leaf_len,
char *icon_buf, size_t icon_len)
{
/* filename */
const char *name = gui_save_table[save_type].name;
bool done = false;
char *nice = NULL;
nserror err;
char *local_name;
assert(icon_len >= 13);
/* parameters that we need to remember */
gui_save_current_type = save_type;
gui_save_content = h;
/* suggest a filetype based upon the content */
gui_save_filetype = gui_save_table[save_type].filetype;
if (!gui_save_filetype && h) {
if (save_type == GUI_SAVE_OBJECT_NATIVE) {
switch (ro_content_native_type(h)) {
case osfile_TYPE_SPRITE:
gui_save_filetype = osfile_TYPE_SPRITE;
break;
case osfile_TYPE_DRAW:
gui_save_filetype = osfile_TYPE_DRAW;
break;
default:
break;
}
}
if (!gui_save_filetype)
gui_save_filetype = ro_content_filetype(h);
}
/* leafname */
if ((url != NULL) &&
(nsurl_nice(url, &nice, nsoption_bool(strip_extensions)) ==
NSERROR_OK)) {
size_t i;
for (i = 0; nice[i]; i++) {
if (nice[i] == '.')
nice[i] = '/';
else if (nice[i] <= ' ' ||
strchr(":*#$&@^%\\", nice[i]))
nice[i] = '_';
}
name = nice;
} else {
name = messages_get(name);
}
/* filename is utf8 */
if (save_type == GUI_SAVE_COMPLETE && leaf_len > 0) {
leaf_buf[0] = '!';
leaf_buf++;
leaf_len--;
}
strncpy(leaf_buf, name, leaf_len);
leaf_buf[leaf_len - 1] = 0;
err = utf8_to_local_encoding(name, 0, &local_name);
if (err != NSERROR_OK) {
/* badenc should never happen */
assert(err != NSERROR_BAD_ENCODING);
local_name = NULL;
}
if (local_name != NULL)
name = local_name;
/* sprite name used for icon and dragging */
if (save_type == GUI_SAVE_COMPLETE) {
int index;
/* Paint gets confused with uppercase characters and we need to
convert spaces to hard spaces */
icon_buf[0] = '!';
for (index = 0; index < 11 && name[index]; ) {
char ch = name[index];
if (ch == ' ')
icon_buf[++index] = 0xa0;
else
icon_buf[++index] = tolower(ch);
}
memset(&icon_buf[index + 1], 0, 11 - index);
icon_buf[12] = '\0';
if (ro_gui_save_create_thumbnail(h, icon_buf))
done = true;
}
if (!done) {
osspriteop_header *sprite;
os_error *error;
sprintf(icon_buf, "file_%.3x", gui_save_filetype);
error = ro_gui_wimp_get_sprite(icon_buf, &sprite);
if (error && error->errnum == error_SPRITE_OP_DOESNT_EXIST) {
/* try the 'unknown' filetype sprite as a fallback */
memcpy(icon_buf, "file_xxx", 9);
error = ro_gui_wimp_get_sprite(icon_buf, &sprite);
}
if (error) {
LOG(("ro_gui_wimp_get_sprite: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
} else {
/* the sprite area should always be large enough for
* file_xxx sprites */
assert(sprite->size <= saveas_area->size -
saveas_area->first);
memcpy((byte*)saveas_area + saveas_area->first,
sprite,
sprite->size);
saveas_area->sprite_count = 1;
saveas_area->used = saveas_area->first + sprite->size;
}
}
free(local_name);
free(nice);
}
/**
* Create a thumbnail sprite for the page being saved.
*
* \param h content to be converted
* \param name sprite name to use
* \return true iff successful
*/
bool ro_gui_save_create_thumbnail(hlcache_handle *h, const char *name)
{
osspriteop_header *sprite_header;
struct bitmap *bitmap;
osspriteop_area *area;
bitmap = bitmap_create(34, 34, BITMAP_NEW | BITMAP_OPAQUE | BITMAP_CLEAR_MEMORY);
if (!bitmap) {
LOG(("Thumbnail initialisation failed."));
return false;
}
thumbnail_create(h, bitmap, NULL);
area = thumbnail_convert_8bpp(bitmap);
bitmap_destroy(bitmap);
if (!area) {
LOG(("Thumbnail conversion failed."));
return false;
}
sprite_header = (osspriteop_header *)(area + 1);
strncpy(sprite_header->name, name, 12);
/* we can't resize the saveas sprite area because it may move and we have
no elegant way to update the window definition on all OS versions */
assert(sprite_header->size <= saveas_area->size - saveas_area->first);
memcpy((byte*)saveas_area + saveas_area->first,
sprite_header, sprite_header->size);
saveas_area->sprite_count = 1;
saveas_area->used = saveas_area->first + sprite_header->size;
free(area);
return true;
}
/**
* User has opted not to overwrite the existing file.
*/
void ro_gui_save_overwrite_cancelled(query_id id, enum query_response res, void *p)
{
if (!saving_from_dialog) {
// ro_gui_save_prepare(gui_save_current_type, gui_save_content);
// ro_gui_dialog_open_persistent(g->window, dialog_saveas, true);
}
}
/**
* Overwrite of existing file confirmed, proceed with the save.
*/
void ro_gui_save_overwrite_confirmed(query_id id, enum query_response res, void *p)
{
if (ro_gui_save_content(gui_save_content, gui_save_message.data.data_xfer.file_name, true))
ro_gui_save_done();
}
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