/* $Id: ghtml-webkit.c,v 1.51 2010/12/20 22:44:14 khorben Exp $ */
/* Copyright (c) 2010 Pierre Pronchery */
/* This file is part of DeforaOS Desktop Surfer */
/* 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, version 3 of the License.
*
* This program 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 . */
/* FIXME
* - implement undo/redo */
#include
#include
#include
#include
#include
#include
#include
#include "ghtml.h"
#include "common/url.c"
#define _(string) gettext(string)
/* private */
/* types */
typedef struct _GHtml
{
Surfer * surfer;
GtkWidget * widget;
GtkWidget * view;
char * status;
} GHtml;
/* prototypes */
/* functions */
static void _ghtml_set_status(GtkWidget * widget, char const * status);
/* callbacks */
static gboolean _on_console_message(WebKitWebView * view, const gchar * message,
guint line, const gchar * source, gpointer data);
static WebKitWebView * _on_create_web_view(WebKitWebView * view,
WebKitWebFrame * frame, gpointer data);
#ifdef WEBKIT_TYPE_DOWNLOAD
static gboolean _on_download_requested(WebKitWebView * view,
WebKitDownload * download, gpointer data);
#endif
static void _on_hovering_over_link(WebKitWebView * view, const gchar * title,
const gchar * url, gpointer data);
static void _on_load_committed(WebKitWebView * view, WebKitWebFrame * frame,
gpointer data);
static gboolean _on_load_error(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * uri, GError * error, gpointer data);
static void _on_load_finished(WebKitWebView * view, WebKitWebFrame * frame,
gpointer data);
static void _on_load_progress_changed(WebKitWebView * view, gint progress,
gpointer data);
static void _on_load_started(WebKitWebView * view, WebKitWebFrame * frame,
gpointer data);
static gboolean _on_script_alert(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * message, gpointer data);
static gboolean _on_script_confirm(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * message, gboolean * confirmed, gpointer data);
static gboolean _on_script_prompt(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * message, const gchar * default_value,
gchar ** value, gpointer data);
static void _on_status_bar_text_changed(WebKitWebView * view, gchar * arg1,
gpointer data);
static void _on_title_changed(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * title, gpointer data);
static gboolean _on_web_view_ready(WebKitWebView * view, gpointer data);
/* public */
/* functions */
/* ghtml_new */
static void _new_init(GHtml * ghtml);
GtkWidget * ghtml_new(Surfer * surfer)
{
static int initialized = 0;
GHtml * ghtml;
GtkWidget * widget;
if((ghtml = object_new(sizeof(*ghtml))) == NULL)
return NULL;
ghtml->surfer = surfer;
ghtml->status = NULL;
/* widgets */
widget = gtk_scrolled_window_new(NULL, NULL);
ghtml->widget = widget;
ghtml->view = webkit_web_view_new();
g_object_set_data(G_OBJECT(widget), "ghtml", ghtml);
/* view */
g_signal_connect(G_OBJECT(ghtml->view), "console-message", G_CALLBACK(
_on_console_message), widget);
g_signal_connect(G_OBJECT(ghtml->view), "create-web-view", G_CALLBACK(
_on_create_web_view), widget);
#ifdef WEBKIT_TYPE_DOWNLOAD
g_signal_connect(G_OBJECT(ghtml->view), "download-requested",
G_CALLBACK(_on_download_requested), widget);
#endif
g_signal_connect(G_OBJECT(ghtml->view), "hovering-over-link",
G_CALLBACK(_on_hovering_over_link), widget);
g_signal_connect(G_OBJECT(ghtml->view), "load-committed", G_CALLBACK(
_on_load_committed), widget);
g_signal_connect(G_OBJECT(ghtml->view), "load-error", G_CALLBACK(
_on_load_error), widget);
g_signal_connect(G_OBJECT(ghtml->view), "load-finished", G_CALLBACK(
_on_load_finished), widget);
g_signal_connect(G_OBJECT(ghtml->view), "load-progress-changed",
G_CALLBACK(_on_load_progress_changed), widget);
g_signal_connect(G_OBJECT(ghtml->view), "load-started", G_CALLBACK(
_on_load_started), widget);
g_signal_connect(G_OBJECT(ghtml->view), "script-alert", G_CALLBACK(
_on_script_alert), widget);
g_signal_connect(G_OBJECT(ghtml->view), "script-confirm", G_CALLBACK(
_on_script_confirm), widget);
g_signal_connect(G_OBJECT(ghtml->view), "script-prompt", G_CALLBACK(
_on_script_prompt), widget);
g_signal_connect(G_OBJECT(ghtml->view), "status-bar-text-changed",
G_CALLBACK(_on_status_bar_text_changed), widget);
g_signal_connect(G_OBJECT(ghtml->view), "title-changed", G_CALLBACK(
_on_title_changed), widget);
/* scrolled window */
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(widget), ghtml->view);
if(initialized++ == 0)
_new_init(ghtml);
initialized = 1;
return widget;
}
static void _new_init(GHtml * ghtml)
{
SoupSession * session;
char const * cacerts[] =
{
"/etc/pki/tls/certs/ca-bundle.crt",
"/etc/ssl/certs/ca-certificates.crt",
"/etc/openssl/certs/ca-certificates.crt"
};
size_t i;
session = webkit_get_default_session();
for(i = 0; i < sizeof(cacerts) / sizeof(*cacerts); i++)
if(access(cacerts[i], R_OK) == 0)
{
g_object_set(session, "ssl-ca-file", cacerts[i],
"ssl-strict", FALSE, NULL);
return;
}
surfer_warning(ghtml->surfer, "Could not load certificate bundle:\n"
"SSL certificates will not be verified.");
}
/* ghtml_delete */
void ghtml_delete(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
free(ghtml->status);
object_delete(ghtml);
}
/* accessors */
/* ghtml_can_go_back */
gboolean ghtml_can_go_back(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
return webkit_web_view_can_go_back(WEBKIT_WEB_VIEW(ghtml->view));
}
gboolean ghtml_can_go_forward(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
return webkit_web_view_can_go_forward(WEBKIT_WEB_VIEW(ghtml->view));
}
char const * ghtml_get_link_message(GtkWidget * widget)
{
/* FIXME implement */
return NULL;
}
/* ghtml_get_location */
char const * ghtml_get_location(GtkWidget * widget)
{
GHtml * ghtml;
WebKitWebFrame * frame;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(ghtml->view));
return webkit_web_frame_get_uri(frame);
}
/* ghtml_get_progress */
gdouble ghtml_get_progress(GtkWidget * widget)
{
gdouble ret = -1.0;
#if WEBKIT_CHECK_VERSION(1, 1, 0) /* XXX may not be accurate */
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
ret = webkit_web_view_get_progress(WEBKIT_WEB_VIEW(ghtml->view));
if(ret == 0.0)
ret = -1.0;
#endif
return ret;
}
/* ghtml_get_security */
SurferSecurity ghtml_get_security(GtkWidget * widget)
{
SurferSecurity security = SS_NONE;
#if WEBKIT_CHECK_VERSION(1, 1, 0)
GHtml * ghtml;
WebKitWebFrame * frame;
char const * location;
WebKitWebDataSource *source;
WebKitNetworkRequest *request;
SoupMessage * message;
#endif
#if WEBKIT_CHECK_VERSION(1, 1, 0)
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(ghtml->view));
if((location = webkit_web_frame_get_uri(frame)) != NULL
&& strncmp(location, "https://", 8) == 0)
{
security = SS_UNTRUSTED;
source = webkit_web_frame_get_data_source(frame);
request = webkit_web_data_source_get_request(source);
message = webkit_network_request_get_message(request);
if(message != NULL && soup_message_get_flags(message)
& SOUP_MESSAGE_CERTIFICATE_TRUSTED)
security = SS_TRUSTED;
}
#endif
return security;
}
/* ghtml_get_source */
char const * ghtml_get_source(GtkWidget * widget)
{
#if WEBKIT_CHECK_VERSION(1, 1, 0)
GHtml * ghtml;
WebKitWebFrame * frame;
WebKitWebDataSource * source;
GString * str;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(ghtml->view));
source = webkit_web_frame_get_data_source(frame);
if((str = webkit_web_data_source_get_data(source)) == NULL)
return NULL;
return str->str;
#else
return NULL;
#endif
}
/* ghtml_get_status */
char const * ghtml_get_status(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
return ghtml->status;
}
/* ghtml_get_title */
char const * ghtml_get_title(GtkWidget * widget)
{
GHtml * ghtml;
WebKitWebFrame * frame;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(ghtml->view));
return webkit_web_frame_get_title(frame);
}
/* ghtml_set_proxy */
int ghtml_set_proxy(GtkWidget * widget, SurferProxyType type, char const * http,
unsigned int http_port)
{
#if WEBKIT_CHECK_VERSION(1, 1, 0)
SoupSession * session;
char buf[32];
struct hostent * he;
struct in_addr addr;
SoupURI * uri = NULL;
session = webkit_get_default_session();
if(type == SPT_HTTP && http != NULL && strlen(http) > 0)
{
if((he = gethostbyname(http)) == NULL)
return -error_set_code(1, "%s", hstrerror(h_errno));
memcpy(&addr.s_addr, he->h_addr, sizeof(addr.s_addr));
snprintf(buf, sizeof(buf), "http://%s:%u/", inet_ntoa(addr),
http_port);
uri = soup_uri_new(buf);
}
g_object_set(session, "proxy-uri", uri, NULL);
return 0;
#else
/* FIXME really implement */
return -error_set_code(1, "%s", strerror(ENOSYS));
#endif
}
/* useful */
/* ghtml_execute */
void ghtml_execute(GtkWidget * widget, char const * code)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_execute_script(WEBKIT_WEB_VIEW(ghtml->view), code);
}
/* ghtml_find */
gboolean ghtml_find(GtkWidget * widget, char const * text, gboolean sensitive,
gboolean wrap)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
return webkit_web_view_search_text(WEBKIT_WEB_VIEW(ghtml->view), text,
sensitive, TRUE, wrap);
}
gboolean ghtml_go_back(GtkWidget * widget)
{
GHtml * ghtml;
if(ghtml_can_go_back(widget) == FALSE)
return FALSE;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_go_back(WEBKIT_WEB_VIEW(ghtml->view));
return TRUE;
}
gboolean ghtml_go_forward(GtkWidget * widget)
{
GHtml * ghtml;
if(ghtml_can_go_forward(widget) == FALSE)
return FALSE;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_go_forward(WEBKIT_WEB_VIEW(ghtml->view));
return TRUE;
}
void ghtml_load_url(GtkWidget * widget, char const * url)
{
GHtml * ghtml;
gchar * p;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
if((p = _ghtml_make_url(NULL, url)) != NULL)
url = p;
webkit_web_view_open(WEBKIT_WEB_VIEW(ghtml->view), url);
g_free(p);
surfer_set_progress(ghtml->surfer, 0.0);
surfer_set_security(ghtml->surfer, SS_NONE);
_ghtml_set_status(widget, _("Connecting..."));
}
/* ghtml_print */
void ghtml_print(GtkWidget * widget)
{
#if WEBKIT_CHECK_VERSION(1, 1, 0) /* XXX may not be accurate */
GHtml * ghtml;
WebKitWebFrame * frame;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(ghtml->view));
webkit_web_frame_print(frame);
#endif
}
void ghtml_refresh(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_reload(WEBKIT_WEB_VIEW(ghtml->view));
}
void ghtml_reload(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
#if WEBKIT_CHECK_VERSION(1, 0, 3)
webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(ghtml->view));
#else
webkit_web_view_reload(WEBKIT_WEB_VIEW(ghtml->view));
#endif
}
void ghtml_stop(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(ghtml->view));
}
void ghtml_select_all(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_select_all(WEBKIT_WEB_VIEW(ghtml->view));
}
void ghtml_unselect_all(GtkWidget * ghtml)
{
/* FIXME implement */
}
void ghtml_zoom_in(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_zoom_in(WEBKIT_WEB_VIEW(ghtml->view));
}
void ghtml_zoom_out(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_zoom_out(WEBKIT_WEB_VIEW(ghtml->view));
}
void ghtml_zoom_reset(GtkWidget * widget)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(ghtml->view), 1.0);
}
/* private */
/* functions */
static void _ghtml_set_status(GtkWidget * widget, char const * status)
{
GHtml * ghtml;
gdouble progress;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
free(ghtml->status);
if(status == NULL)
{
if((progress = ghtml_get_progress(widget)) == 0.0)
status = _("Connecting...");
else if(progress > 0.0)
status = _("Downloading...");
}
/* XXX may fail */
ghtml->status = (status != NULL) ? strdup(status) : NULL;
surfer_set_status(ghtml->surfer, status);
}
/* callbacks */
/* on_console_message */
static gboolean _on_console_message(WebKitWebView * view, const gchar * message,
guint line, const gchar * source, gpointer data)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
surfer_console_message(ghtml->surfer, message, source, line);
return TRUE;
}
/* on_create_web_view */
static WebKitWebView * _on_create_web_view(WebKitWebView * view,
WebKitWebFrame * frame, gpointer data)
{
GHtml * ghtml;
Surfer * surfer;
if((surfer = surfer_new(NULL)) == NULL)
return NULL;
/* FIXME we may want the history to be copied (and then more) */
ghtml = g_object_get_data(G_OBJECT(surfer_get_view(surfer)), "ghtml");
g_signal_connect(G_OBJECT(ghtml->view), "web-view-ready", G_CALLBACK(
_on_web_view_ready), surfer_get_view(surfer));
return WEBKIT_WEB_VIEW(ghtml->view);
}
#ifdef WEBKIT_TYPE_DOWNLOAD
/* on_download_requested */
static gboolean _on_download_requested(WebKitWebView * view,
WebKitDownload * download, gpointer data)
{
GHtml * ghtml;
char const * url;
char const * suggested;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
url = webkit_download_get_uri(download);
suggested = webkit_download_get_suggested_filename(download);
surfer_download(ghtml->surfer, url, suggested);
webkit_download_cancel(download);
return FALSE;
}
#endif
/* on_hovering_over_link */
static void _on_hovering_over_link(WebKitWebView * view, const gchar * title,
const gchar * url, gpointer data)
{
GtkWidget * widget = data;
_ghtml_set_status(widget, url);
}
/* on_load_committed */
static void _on_load_committed(WebKitWebView * view, WebKitWebFrame * frame,
gpointer data)
{
GHtml * ghtml;
Surfer * surfer;
char const * location;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
if(frame == webkit_web_view_get_main_frame(view)
&& (location = webkit_web_frame_get_uri(frame)) != NULL)
surfer_set_location(ghtml->surfer, location);
surfer_set_security(ghtml->surfer, ghtml_get_security(ghtml->widget));
}
/* on_load_error */
static gboolean _on_load_error(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * uri, GError * error, gpointer data)
{
GHtml * ghtml;
#ifdef WEBKIT_POLICY_ERROR
char const * suggested;
#endif
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
if(error == NULL)
return surfer_error(ghtml->surfer, _("Unknown error"), TRUE);
#ifdef WEBKIT_NETWORK_ERROR
if(error->domain == WEBKIT_NETWORK_ERROR
&& error->code == WEBKIT_NETWORK_ERROR_CANCELLED)
return TRUE; /* ignored if the user cancelled it */
#endif
#ifdef WEBKIT_POLICY_ERROR
if(error->domain == WEBKIT_POLICY_ERROR
&& error->code == WEBKIT_POLICY_ERROR_FRAME_LOAD_INTERRUPTED_BY_POLICY_CHANGE)
{
/* FIXME propose to download or cancel instead */
if((suggested = strrchr(uri, '/')) != NULL)
suggested++;
surfer_download(ghtml->surfer, uri, suggested);
return TRUE;
}
#endif
return surfer_error(ghtml->surfer, error->message, TRUE);
}
/* on_load_finished */
static void _on_load_finished(WebKitWebView * view, WebKitWebFrame * arg1,
gpointer data)
{
GHtml * ghtml;
Surfer * surfer;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
surfer_set_progress(ghtml->surfer, -1.0);
_ghtml_set_status(ghtml->widget, NULL);
}
/* on_load_progress_changed */
static void _on_load_progress_changed(WebKitWebView * view, gint progress,
gpointer data)
{
GHtml * ghtml;
gdouble fraction = progress;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
surfer_set_progress(ghtml->surfer, fraction / 100);
_ghtml_set_status(ghtml->widget, _("Downloading..."));
}
/* on_load_started */
static void _on_load_started(WebKitWebView * view, WebKitWebFrame * frame,
gpointer data)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
surfer_set_progress(ghtml->surfer, 0.00);
_ghtml_set_status(ghtml->widget, _("Downloading..."));
}
/* on_script_alert */
static gboolean _on_script_alert(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * message, gpointer data)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
surfer_warning(ghtml->surfer, message);
return TRUE;
}
static gboolean _on_script_confirm(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * message, gboolean * confirmed, gpointer data)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
if(surfer_confirm(ghtml->surfer, message, confirmed) != 0)
*confirmed = FALSE;
return TRUE;
}
static gboolean _on_script_prompt(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * message, const gchar * default_value,
gchar ** value, gpointer data)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
if(surfer_prompt(ghtml->surfer, message, default_value, value) == 0)
return TRUE;
*value = NULL;
return TRUE;
}
static void _on_status_bar_text_changed(WebKitWebView * view, gchar * arg1,
gpointer data)
{
GtkWidget * widget = data;
if(strlen(arg1) == 0)
return;
_ghtml_set_status(widget, arg1);
}
static void _on_title_changed(WebKitWebView * view, WebKitWebFrame * frame,
const gchar * title, gpointer data)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
surfer_set_title(ghtml->surfer, title);
}
#if WEBKIT_CHECK_VERSION(1, 0, 3)
static gboolean _on_web_view_ready(WebKitWebView * view, gpointer data)
{
GHtml * ghtml;
WebKitWebWindowFeatures * features;
gboolean b;
gint w;
gint h;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
features = webkit_web_view_get_window_features(WEBKIT_WEB_VIEW(view));
/* FIXME track properties with notify:: instead */
g_object_get(G_OBJECT(features), "width", &w, "height", &h, NULL);
if(w > 0 && h > 0)
surfer_resize(ghtml->surfer, w, h);
g_object_get(G_OBJECT(features), "fullscreen", &b, NULL);
if(b == TRUE)
surfer_set_fullscreen(ghtml->surfer, TRUE);
# ifndef EMBEDDED
g_object_get(G_OBJECT(features), "menubar-visible", &b, NULL);
surfer_show_menubar(ghtml->surfer, b);
# endif
g_object_get(G_OBJECT(features), "toolbar-visible", &b, NULL);
surfer_show_toolbar(ghtml->surfer, b);
g_object_get(G_OBJECT(features), "statusbar-visible", &b, NULL);
surfer_show_statusbar(ghtml->surfer, b);
surfer_show_window(ghtml->surfer, TRUE);
return FALSE;
}
#else /* WebKitWebWindowFeatures is not available */
static gboolean _on_web_view_ready(WebKitWebView * view, gpointer data)
{
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(data), "ghtml");
surfer_show_window(ghtml->surfer, TRUE);
return FALSE;
}
#endif