launch.c

Go to the documentation of this file.

/*
 * Copyright 2008-10 Chris Young <chris@unsatisfactorysoftware.co.uk>
 *
 * 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
 * Fetching of data from a file (implementation).
 */
 
#include "amiga/os3support.h"
 
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/utility.h>
#include <proto/openurl.h>
 
#include "amiga/launch.h"
#include "amiga/object.h" /* for list abstraction */
#include "utils/nsoption.h"
#include "utils/nsurl.h"
 
struct Library *OpenURLBase = NULL;
struct OpenURLIFace *IOpenURL = NULL;
 
static struct MinList *ami_unsupportedprotocols;
 
struct ami_protocol
{
        struct MinNode node;
        lwc_string *protocol;
};
 
static struct ami_protocol *ami_openurl_add_protocol(const char *url)
{
        nsurl *ns_url;
        struct ami_protocol *ami_p =
                (struct ami_protocol *)malloc(sizeof(struct ami_protocol));
 
        if (nsurl_create(url, &ns_url) != NSERROR_OK) {
                free(ami_p);
                return NULL;
        }
 
        ami_p->protocol = nsurl_get_component(ns_url, NSURL_SCHEME);
        nsurl_unref(ns_url);
        if (ami_p->protocol == NULL)
        {
                free(ami_p);
                return NULL;
        }
 
        AddTail((struct List *)ami_unsupportedprotocols, (struct Node *)ami_p);
        return ami_p;
}
 
static void ami_openurl_free_list(struct MinList *list)
{
        struct ami_protocol *node;
        struct ami_protocol *nnode;
 
        if(!IsMinListEmpty(list)) {
                node = (struct ami_protocol *)GetHead((struct List *)list);
 
                do
                {
                        nnode=(struct ami_protocol *)GetSucc((struct Node *)node);
 
                        Remove((struct Node *)node);
                        if (node->protocol) lwc_string_unref(node->protocol);
                        free(node);
                        node = NULL;
                }while((node=nnode));
        }
        free(list);
}
 
static BOOL ami_openurl_check_list(struct MinList *list, nsurl *url)
{
        struct ami_protocol *node;
        struct ami_protocol *nnode;
        lwc_string *url_scheme;
        bool match;
 
        if(IsMinListEmpty(list)) return FALSE;
 
        url_scheme = nsurl_get_component(url, NSURL_SCHEME);
 
        node = (struct ami_protocol *)GetHead((struct List *)list);
 
        do
        {
                nnode=(struct ami_protocol *)GetSucc((struct Node *)node);
 
                if ((lwc_string_isequal(url_scheme, node->protocol,
                                &match) == lwc_error_ok) && (match == true)) {
                        lwc_string_unref(url_scheme);
                        return TRUE;
                }
        }while((node=nnode));
 
        lwc_string_unref(url_scheme);
        return FALSE;
}
 
/**
 * Initialise the fetcher.
 *
 * Must be called once before any other function.
 */
 
void ami_openurl_open(void)
{
        if(nsoption_bool(use_openurl_lib)) {
                if((OpenURLBase = OpenLibrary("openurl.library",0))) {
#ifdef __amigaos4__
                        IOpenURL = (struct OpenURLIFace *)GetInterface(OpenURLBase,"main",1,NULL);
#endif
                }
        }
 
        ami_unsupportedprotocols = ami_AllocMinList();
}
 
void ami_openurl_close(void)
{
#ifdef __amigaos4__
        if(IOpenURL) DropInterface((struct Interface *)IOpenURL);
#endif
        if(OpenURLBase) CloseLibrary(OpenURLBase);
 
        ami_openurl_free_list(ami_unsupportedprotocols);
}
 
nserror gui_launch_url(struct nsurl *url)
{
#ifdef __amigaos4__
        APTR procwin = SetProcWindow((APTR)-1L);
#endif
        char *launchurl = NULL;
 
        if(ami_openurl_check_list(ami_unsupportedprotocols, url) == FALSE)
        {
                if(IOpenURL)
                {
                        URL_OpenA((STRPTR)url,NULL);
                } else {
                        if((launchurl = ASPrintf("URL:%s", nsurl_access(url)))) {
                                BPTR fptr = Open(launchurl,MODE_OLDFILE);
                                if(fptr)
                                {
                                        Close(fptr);
                                } else {
                                        ami_openurl_add_protocol(nsurl_access(url));
                                }
                                FreeVec(launchurl);
                        }
                }
        }
#ifdef __amigaos4__
        SetProcWindow(procwin);
#endif
        return NSERROR_OK;
}