netsurf/riscos/theme_install.c

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C
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/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2005 James Bursa <bursa@users.sourceforge.net>
*/
/** \file
* Theme auto-installing.
*/
#include <assert.h>
#include <stdbool.h>
#include "oslib/osfile.h"
#include "netsurf/content/content.h"
#include "netsurf/desktop/browser.h"
#include "netsurf/riscos/gui.h"
#include "netsurf/riscos/options.h"
#include "netsurf/riscos/theme.h"
#include "netsurf/riscos/wimp.h"
#include "netsurf/utils/log.h"
#include "netsurf/utils/messages.h"
#include "netsurf/utils/url.h"
#include "netsurf/utils/utils.h"
static bool theme_install_active;
static struct content *theme_install_content = NULL;
static struct theme_descriptor theme_install_descriptor;
wimp_w dialog_theme_install;
static void theme_install_close(void);
static void theme_install_callback(content_msg msg, struct content *c,
void *p1, void *p2, union content_msg_data data);
static bool theme_install_read(char *source_data, unsigned long source_size);
static void theme_install_install(bool apply);
#ifndef NCOS
#define THEME_LEAFNAME "WWW.NetSurf.Themes"
#define THEME_PATH_W "<Choices$Write>."
#define THEME_PATH_R "Choices:"
#else
#define THEME_LEAFNAME "NetSurf.Choices.Themes"
#define THEME_PATH_W "<User$Path>.Choices."
#define THEME_PATH_R THEME_PATH_W
#endif
/**
* Handle a CONTENT_THEME that has started loading.
*/
void theme_install_start(struct content *c)
{
assert(c);
assert(c->type == CONTENT_THEME);
if (theme_install_active) {
warn_user("ThemeInstActive", 0);
/* raise & centre dialog */
return;
}
/* stop theme sitting in memory cache */
c->fresh = false;
if (!content_add_user(c, theme_install_callback, 0, 0)) {
warn_user("NoMemory", 0);
return;
}
theme_install_active = true;
ro_gui_set_icon_string(dialog_theme_install, ICON_THEME_INSTALL_MESSAGE,
messages_get("ThemeInstDown"));
ro_gui_set_icon_shaded_state(dialog_theme_install,
ICON_THEME_INSTALL_INSTALL, true);
ro_gui_dialog_open(dialog_theme_install);
}
/**
* Callback for fetchcache() for theme install fetches.
*/
void theme_install_callback(content_msg msg, struct content *c,
void *p1, void *p2, union content_msg_data data)
{
char buffer[256];
int author_indent = 0;
switch (msg) {
case CONTENT_MSG_READY:
break;
case CONTENT_MSG_DONE:
theme_install_content = c;
if (!theme_install_read(c->source_data, c->source_size)) {
warn_user("ThemeInvalid", 0);
theme_install_close();
break;
}
/* remove '<27> ' from the start of the data */
if (theme_install_descriptor.author[0] == '<EFBFBD>')
author_indent++;
while (theme_install_descriptor.author[author_indent] == ' ')
author_indent++;
snprintf(buffer, sizeof buffer, messages_get("ThemeInstall"),
theme_install_descriptor.name,
&theme_install_descriptor.author[author_indent]);
buffer[sizeof buffer - 1] = '\0';
ro_gui_set_icon_string(dialog_theme_install,
ICON_THEME_INSTALL_MESSAGE,
buffer);
ro_gui_set_icon_shaded_state(dialog_theme_install,
ICON_THEME_INSTALL_INSTALL, false);
break;
case CONTENT_MSG_ERROR:
theme_install_close();
warn_user(data.error, 0);
break;
case CONTENT_MSG_STATUS:
break;
case CONTENT_MSG_LOADING:
case CONTENT_MSG_REDIRECT:
case CONTENT_MSG_REFORMAT:
case CONTENT_MSG_REDRAW:
case CONTENT_MSG_NEWPTR:
case CONTENT_MSG_AUTH:
default:
assert(0);
break;
}
}
/**
* Fill in theme_install_descriptor from received theme data.
*
* \param source_data received data
* \param source_size size of data
* \return true if data is a correct theme, false on error
*
* If the data is a correct theme, theme_install_descriptor is filled in.
*/
bool theme_install_read(char *source_data, unsigned long source_size)
{
if (source_size < sizeof(struct theme_file_header))
return false;
if (!ro_gui_theme_read_file_header(&theme_install_descriptor,
(struct theme_file_header *) source_data))
return false;
if (source_size - sizeof(struct theme_file_header) !=
theme_install_descriptor.compressed_size)
return false;
return true;
}
/**
* Handle clicks in the theme install window.
*/
void ro_gui_theme_install_click(wimp_pointer *pointer)
{
switch (pointer->i) {
case ICON_THEME_INSTALL_INSTALL:
theme_install_install(pointer->buttons == wimp_CLICK_SELECT);
theme_install_close();
break;
case ICON_THEME_INSTALL_CANCEL:
if (pointer->buttons == wimp_CLICK_ADJUST)
break;
theme_install_close();
break;
}
}
/**
* Install the downloaded theme.
*
* \param apply make the theme the current theme
*/
void theme_install_install(bool apply)
{
char theme_save[256];
char theme_leaf[256];
char *theme_file;
int theme_number = 1;
bool theme_found;
struct theme_descriptor *theme_install;
fileswitch_object_type obj_type;
os_error *error;
assert(theme_install_content);
if (url_nice(theme_install_descriptor.name, &theme_file) !=
URL_FUNC_OK) {
warn_user("ThemeInstallErr", 0);
theme_install_close();
return;
}
theme_found = false;
while (!theme_found) {
if (theme_number == 1)
snprintf(theme_leaf, sizeof theme_leaf, "%s.%s",
THEME_LEAFNAME, theme_file);
else
snprintf(theme_leaf, sizeof theme_leaf, "%s.%s%i",
THEME_LEAFNAME, theme_file,
theme_number);
theme_leaf[sizeof theme_leaf - 1] = '\0';
theme_number++;
snprintf(theme_save, sizeof theme_save, "%s%s",
THEME_PATH_W, theme_leaf);
theme_save[sizeof theme_save - 1] = '\0';
error = xosfile_read_stamped_no_path(theme_save,
&obj_type, 0, 0, 0, 0, 0);
if (error) {
LOG(("xosfile_read_stamped_no_path: 0x%x: %s",
error->errnum, error->errmess));
warn_user("ThemeInstallErr", 0);
theme_install_close();
free(theme_file);
return;
}
theme_found = (obj_type == osfile_NOT_FOUND);
}
free(theme_file);
error = xosfile_save_stamped(theme_save, 0xffd,
theme_install_content->source_data,
theme_install_content->source_data +
theme_install_content->source_size);
if (error) {
LOG(("xosfile_save_stamped: 0x%x: %s",
error->errnum, error->errmess));
warn_user("ThemeInstallErr", 0);
theme_install_close();
return;
}
if (apply) {
ro_gui_theme_get_available();
snprintf(theme_save, sizeof theme_save, "%s%s",
THEME_PATH_R, theme_leaf);
theme_save[sizeof theme_save - 1] = '\0';
theme_install = ro_gui_theme_find(theme_save);
if (!theme_install || !ro_gui_theme_apply(theme_install)) {
warn_user("ThemeApplyErr", 0);
} else {
theme_file = strdup(theme_save);
if (!theme_file) {
warn_user("NoMemory", 0);
} else {
free(option_theme);
option_theme = theme_file;
}
}
}
}
/**
* Close the theme installer and free resources.
*/
void theme_install_close(void)
{
theme_install_active = false;
if (theme_install_content)
content_remove_user(theme_install_content,
theme_install_callback, 0, 0);
theme_install_content = NULL;
ro_gui_dialog_close(dialog_theme_install);
}