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/*
* File: web.cc
*
* Copyright 2005-2007 Jorge Arellano Cid <jcid@dillo.org>
*
* This program 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; either version 3 of the License, or
* (at your option) any later version.
*/
#include "msg.h"
#include "nav.h"
#include "uicmd.hh"
#include "IO/IO.h"
#include "IO/mime.h"
#include "dw/core.hh"
#include "styleengine.hh"
#include "web.hh"
// Platform independent part
using namespace dw::core;
/*
* Local data
*/
static Dlist *ValidWebs; /* Active web structures list; it holds
* pointers to DilloWeb structures. */
/*
* Initialize local data
*/
void a_Web_init(void)
{
ValidWebs = dList_new(32);
}
/*
* Given the MIME content type, and a fd to read it from,
* this function connects the proper MIME viewer to it.
* Return value:
* 1 on success (and Call and Data properly set).
* -1 for unhandled MIME types (and Call and Data untouched).
*/
int a_Web_dispatch_by_type (const char *Type, DilloWeb *Web,
CA_Callback_t *Call, void **Data)
{
Widget *dw = NULL;
_MSG("a_Web_dispatch_by_type\n");
dReturn_val_if_fail(Web->bw != NULL, -1);
// get the Layout object from the bw structure.
Layout *layout = (Layout*)Web->bw->render_layout;
if (Web->flags & WEB_RootUrl) {
/* We have RootUrl! */
style::Color *bgColor = style::Color::create (layout, prefs.bg_color);
Web->bgColor = bgColor->getColor ();
layout->setBgColor (bgColor);
/* Set a style for the widget */
StyleEngine styleEngine (layout);
styleEngine.startElement ("body");
dw = (Widget*) a_Mime_set_viewer(Type, Web, Call, Data);
if (dw == NULL)
return -1;
dw->setStyle (styleEngine.style ());
/* This method frees the old dw if any */
layout->setWidget(dw);
/* Set the page title with the bare filename (e.g. for images),
* HTML pages with a <TITLE> tag will overwrite it later */
const char *p = strrchr(URL_STR(Web->url), '/');
a_UIcmd_set_page_title(Web->bw, p ? p+1 : "");
a_UIcmd_set_location_text(Web->bw, URL_STR(Web->url));
/* Reset both progress bars */
a_UIcmd_set_page_prog(Web->bw, 0, 2);
a_UIcmd_set_img_prog(Web->bw, 0, 0, 2);
/* Reset the bug meter */
a_UIcmd_set_bug_prog(Web->bw, 0);
/* Let the Nav module know... */
a_Nav_expect_done(Web->bw);
} else {
/* A non-RootUrl. At this moment we only handle image-children */
if (!dStrncasecmp(Type, "image/", 6)) {
dw = (Widget*) a_Mime_set_viewer(Type, Web, Call, Data);
} else {
MSG_HTTP("'%s' cannot be displayed as image; has media type '%s'\n",
URL_STR(Web->url), Type);
}
}
return (dw ? 1 : -1);
}
/*
* Allocate and set safe values for a DilloWeb structure
*/
DilloWeb* a_Web_new(const DilloUrl *url, const DilloUrl *requester)
{
DilloWeb *web= dNew(DilloWeb, 1);
_MSG(" a_Web_new: ValidWebs ==> %d\n", dList_length(ValidWebs));
web->url = a_Url_dup(url);
web->requester = a_Url_dup(requester);
web->bw = NULL;
web->flags = 0;
web->Image = NULL;
web->filename = NULL;
web->stream = NULL;
web->SavedBytes = 0;
web->bgColor = 0x000000; /* Dummy value will be overwritten
* in a_Web_dispatch_by_type. */
dList_append(ValidWebs, (void *)web);
return web;
}
/*
* Validate a DilloWeb pointer
*/
int a_Web_valid(DilloWeb *web)
{
return (dList_find(ValidWebs, web) != NULL);
}
/*
* Deallocate a DilloWeb structure
*/
void a_Web_free(DilloWeb *web)
{
if (!web) return;
a_Url_free(web->url);
a_Url_free(web->requester);
a_Image_unref(web->Image);
dFree(web->filename);
dList_remove(ValidWebs, (void *)web);
_MSG("a_Web_free: ValidWebs=%d\n", dList_length(ValidWebs));
dFree(web);
}
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