Minor fixes and improvements

This commit is contained in:
Pierre Pronchery 2009-02-24 15:51:57 +00:00
parent 8bd591944f
commit 82907236a4
2 changed files with 131 additions and 35 deletions

View File

@ -14,12 +14,15 @@
* Suite 330, Boston, MA 02111-1307 USA */
/* TODO:
* - fix URL generation for relative path
* - fix links from directory listing
* - update the URL of the main window
* - implement selection
* - more meaningful status updates
* - implement cookies
* - implement cookies (beware same-origin policy)
* - implement referer
* - implement POST
* - implement history
* - implement anchors
* - do we need to use html_stream_cancel?
* - need to take care of CSRF? eg remotely load local files */
@ -67,6 +70,7 @@ struct _GHtmlConn
GHtml * ghtml;
char * url;
char const * anchor;
guint64 content_length;
guint64 data_received;
HtmlStream * stream;
@ -86,6 +90,7 @@ static GHtmlConn * _ghtmlconn_new(GHtml * ghtml, HtmlStream * stream,
gchar const * url);
static void _ghtmlconn_delete(GHtmlConn * ghtmlconn);
static int _ghtml_set_base(GHtml * ghtml, char const * url);
static int _ghtml_document_load(GHtml * ghtml, gchar const * url);
static gchar * _ghtml_make_url(gchar const * base, gchar const * url);
static int _ghtml_stream_load(GHtml * ghtml, HtmlStream * stream,
@ -99,6 +104,7 @@ static void _on_set_base(HtmlDocument * document, const gchar * url);
static void _on_submit(HtmlDocument * document, const gchar * url,
const gchar * method, const gchar * encoding);
static void _on_title_changed(HtmlDocument * document, const gchar * title);
static void _on_url(HtmlView * view, const gchar * url);
/* public */
@ -116,6 +122,9 @@ GtkWidget * ghtml_new(Surfer * surfer)
ghtml->conns = NULL;
ghtml->conns_cnt = 0;
ghtml->html_view = html_view_new();
g_object_set_data(G_OBJECT(ghtml->html_view), "ghtml", ghtml);
g_signal_connect(G_OBJECT(ghtml->html_view), "on-url", G_CALLBACK(
_on_url), NULL);
ghtml->html_document = html_document_new();
ghtml->html_title = NULL;
g_object_set_data(G_OBJECT(ghtml->html_document), "ghtml", ghtml);
@ -185,6 +194,16 @@ char const * ghtml_get_title(GtkWidget * widget)
}
/* ghtml_set_base */
int ghtml_set_base(GtkWidget * widget, char const * url)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
return _ghtml_set_base(ghtml, url);
}
/* useful */
/* ghtml_go_back */
gboolean ghtml_go_back(GtkWidget * ghtml)
@ -246,9 +265,16 @@ void ghtml_reload(GtkWidget * ghtml)
/* ghtml_select_all */
void ghtml_select_all(GtkWidget * ghtml)
void ghtml_select_all(GtkWidget * widget)
{
/* FIXME implement */
#if 0 /* FIXME does not work */
GHtml * ghtml;
DomNode * node;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
if((node = html_document_find_anchor(ghtml->html_document, "")) != NULL)
html_selection_set(HTML_VIEW(ghtml->html_view), node, 0, -1);
#endif
}
@ -306,6 +332,7 @@ static GHtmlConn * _ghtmlconn_new(GHtml * ghtml, HtmlStream * stream,
{
GHtmlConn ** p;
GHtmlConn * c;
char * q = NULL;
/* FIXME leaks memory: records are not re-used */
if((p = realloc(ghtml->conns, sizeof(*p) * (ghtml->conns_cnt + 1)))
@ -317,6 +344,16 @@ static GHtmlConn * _ghtmlconn_new(GHtml * ghtml, HtmlStream * stream,
ghtml->conns[ghtml->conns_cnt] = c;
c->ghtml = ghtml;
c->url = strdup(url);
/* look for an anchor */
/* XXX should it really be done here? */
if(c->url != NULL && (q = strrchr(c->url, '#')) != NULL)
*q = '\0';
c->anchor = (q != NULL) ? ++q : NULL;
#ifdef DEBUG
if(c->anchor != NULL)
fprintf(stderr, "DEBUG: %s() anchor=\"%s\"\n", __func__,
c->anchor);
#endif
c->content_length = 0;
c->data_received = 0;
c->stream = stream;
@ -378,6 +415,21 @@ static void _ghtmlconn_delete_http(GHtmlConn * ghtmlconn)
}
/* ghtml_set_base */
static int _ghtml_set_base(GHtml * ghtml, char const * url)
{
g_free(ghtml->html_base);
if(url != NULL)
{
if((ghtml->html_base = g_strdup(url)) == NULL)
return 1;
}
else
ghtml->html_base = NULL;
return 0;
}
/* ghtml_document_load */
static int _ghtml_document_load(GHtml * ghtml, gchar const * url)
{
@ -437,6 +489,7 @@ static void _http_connected(GHtmlConn * conn);
static void _http_data_complete(GConnHttpEventData * event, GHtmlConn * conn);
static void _http_data_partial(GConnHttpEventData * event, GHtmlConn * conn);
static void _http_error(GConnHttpEventError * event, GHtmlConn * conn);
static void _http_redirect(GConnHttpEventRedirect * event, GHtmlConn * conn);
static void _http_resolved(GConnHttpEventResolved * event, GHtmlConn * conn);
static void _http_timeout(GHtmlConn * conn);
@ -458,6 +511,8 @@ static gboolean _stream_load_idle(gpointer data)
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%p) \"%s\"\n", __func__, data, conn->url);
#endif
html_view_jump_to_anchor(HTML_VIEW(conn->ghtml->html_view),
(conn->anchor != NULL) ? conn->anchor : "");
if(conn->url[0] == '/')
return _stream_load_idle_file(conn);
if(strncmp(conn->url, "file:", 5) == 0)
@ -480,35 +535,38 @@ static gboolean _stream_load_idle_directory(GHtmlConn * conn)
struct dirent * de;
if((dir = opendir(conn->url)) == NULL)
surfer_error(conn->ghtml->surfer, strerror(errno), 0);
else
{
snprintf(buf, sizeof(buf), "%s%s%s%s%s", "<html><head><title>"
"Index of ", conn->url, "</title><body>\n"
"<h1>Index of ", conn->url,
"</h1>\n<hr>\n<ul>\n");
surfer_error(conn->ghtml->surfer, strerror(errno), 0);
_ghtmlconn_delete(conn);
return FALSE;
}
if(snprintf(buf, sizeof(buf), "%s/", conn->url) < (int)sizeof(buf))
_ghtml_set_base(conn->ghtml, buf); /* XXX what otherwise? */
snprintf(buf, sizeof(buf), "%s%s%s%s%s", "<html><head><title>Index of ",
conn->url, "</title><body>\n<h1>Index of ", conn->url,
"</h1>\n<hr>\n<ul>\n");
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s", buf);
#endif
html_stream_write(conn->stream, buf, strlen(buf));
while((de = readdir(dir)) != NULL)
{
if(strcmp(de->d_name, ".") == 0)
continue;
snprintf(buf, sizeof(buf), "%s%s%s%s%s", "<li><a href=\"",
de->d_name, "\">", de->d_name, "</a></li>\n");
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s", buf);
#endif
html_stream_write(conn->stream, buf, strlen(buf));
while((de = readdir(dir)) != NULL)
{
snprintf(buf, sizeof(buf), "%s%s%s%s%s",
"<li><a href=\"", de->d_name, "\">",
de->d_name, "</a></li>\n");
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s", buf);
#endif
html_stream_write(conn->stream, buf, strlen(buf));
}
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s", tail);
#endif
html_stream_write(conn->stream, tail, sizeof(tail) - 1);
closedir(dir);
surfer_set_progress(conn->ghtml->surfer, -1.0);
surfer_set_status(conn->ghtml->surfer, "Ready");
}
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s", tail);
#endif
html_stream_write(conn->stream, tail, sizeof(tail) - 1);
closedir(dir);
surfer_set_progress(conn->ghtml->surfer, -1.0);
surfer_set_status(conn->ghtml->surfer, "Ready");
_ghtmlconn_delete(conn);
return FALSE;
}
@ -519,15 +577,18 @@ static gboolean _stream_load_idle_file(GHtmlConn * conn)
struct stat st;
GIOChannel * channel;
surfer_set_progress(conn->ghtml->surfer, 0.0);
surfer_set_status(conn->ghtml->surfer, "Reading file...");
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() \"%s\"\n", __func__, conn->url);
#endif
if((fd = open(conn->url, O_RDONLY)) < 0)
{
surfer_error(conn->ghtml->surfer, "Not implemented yet", 0);
surfer_error(conn->ghtml->surfer, strerror(errno), 0);
_ghtmlconn_delete(conn);
}
else
{
surfer_set_progress(conn->ghtml->surfer, 0.0);
surfer_set_status(conn->ghtml->surfer, "Reading file...");
if(fstat(fd, &st) == 0)
{
if(S_ISDIR(st.st_mode))
@ -604,7 +665,6 @@ static void _stream_load_watch_http(GConnHttp * connhttp,
return; /* FIXME report error */
switch(event->type)
{
/* FIXME implement GNET_CONN_HTTP_REDIRECT */
case GNET_CONN_HTTP_CONNECTED:
return _http_connected(conn);
case GNET_CONN_HTTP_DATA_COMPLETE:
@ -615,6 +675,9 @@ static void _stream_load_watch_http(GConnHttp * connhttp,
conn);
case GNET_CONN_HTTP_ERROR:
return _http_error((GConnHttpEventError*)event, conn);
case GNET_CONN_HTTP_REDIRECT:
return _http_redirect((GConnHttpEventRedirect*)event,
conn);
case GNET_CONN_HTTP_RESOLVED:
return _http_resolved((GConnHttpEventResolved*)event,
conn);
@ -638,7 +701,7 @@ static void _http_data_complete(GConnHttpEventData * event, GHtmlConn * conn)
if(gnet_conn_http_steal_buffer(conn->http, &buf, &size) != TRUE)
{
/* FIXME report error */
surfer_set_progress(conn->ghtml->surfer, 0.0);
surfer_set_progress(conn->ghtml->surfer, -1.0);
}
else
{
@ -664,8 +727,10 @@ static void _http_data_partial(GConnHttpEventData * event, GHtmlConn * conn)
return;
}
html_stream_write(conn->stream, buf, size);
if(conn->content_length > 0)
if(event->content_length > 0)
{
conn->data_received = event->data_received;
conn->content_length = event->content_length;
fraction = conn->data_received;
surfer_set_progress(conn->ghtml->surfer,
fraction / conn->content_length);
@ -683,6 +748,17 @@ static void _http_error(GConnHttpEventError * event, GHtmlConn * conn)
_ghtmlconn_delete(conn);
}
static void _http_redirect(GConnHttpEventRedirect * event, GHtmlConn * conn)
{
char buf[256] = "Redirecting...";
if(event->new_location != NULL)
snprintf(buf, sizeof(buf), "%s %s", "Redirecting to ",
event->new_location);
surfer_set_status(conn->ghtml->surfer, buf);
/* FIXME save new URL, limit redirections */
}
static void _http_resolved(GConnHttpEventResolved * event, GHtmlConn * conn)
{
char buf[256];
@ -758,8 +834,7 @@ static void _on_set_base(HtmlDocument * document, const gchar * url)
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, url);
#endif
ghtml = g_object_get_data(G_OBJECT(document), "ghtml");
g_free(ghtml->html_base);
ghtml->html_base = g_strdup(url);
_ghtml_set_base(ghtml, url);
}
@ -799,3 +874,22 @@ static void _on_title_changed(HtmlDocument * document, const gchar * title)
ghtml->html_title = g_strdup(title);
surfer_set_title(ghtml->surfer, title);
}
static void _on_url(HtmlView * view, const gchar * url)
{
GHtml * ghtml;
gchar * link;
ghtml = g_object_get_data(G_OBJECT(view), "ghtml");
if(url == NULL)
{
surfer_set_status(ghtml->surfer, "Ready");
return;
}
if((link = _ghtml_make_url(ghtml->html_base, url)) != NULL)
{
surfer_set_status(ghtml->surfer, link);
g_free(link);
}
}

View File

@ -34,6 +34,8 @@ char const * ghtml_get_link_message(GtkWidget * ghtml);
char const * ghtml_get_location(GtkWidget * ghtml);
char const * ghtml_get_title(GtkWidget * ghtml);
int ghtml_set_base(GtkWidget * ghtml, char const * url);
/* useful */
gboolean ghtml_go_back(GtkWidget * ghtml);
gboolean ghtml_go_forward(GtkWidget * ghtml);