2005-09-15 09:58:31 -04:00
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/* The SpiderMonkey window object implementation. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "elinks.h"
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#include "ecmascript/spidermonkey/util.h"
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#include "bfu/dialog.h"
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#include "cache/cache.h"
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#include "cookies/cookies.h"
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#include "dialogs/menu.h"
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#include "dialogs/status.h"
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#include "document/html/frames.h"
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#include "document/document.h"
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#include "document/forms.h"
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#include "document/view.h"
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#include "ecmascript/ecmascript.h"
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#include "ecmascript/spidermonkey/window.h"
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#include "intl/gettext/libintl.h"
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#include "main/select.h"
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#include "osdep/newwin.h"
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#include "osdep/sysname.h"
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#include "protocol/http/http.h"
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#include "protocol/uri.h"
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#include "session/history.h"
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#include "session/location.h"
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#include "session/session.h"
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#include "session/task.h"
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#include "terminal/tab.h"
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#include "terminal/terminal.h"
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#include "util/conv.h"
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#include "util/memory.h"
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#include "util/string.h"
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#include "viewer/text/draw.h"
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#include "viewer/text/form.h"
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#include "viewer/text/link.h"
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#include "viewer/text/vs.h"
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2011-04-19 16:41:05 -04:00
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static JSBool window_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp);
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static JSBool window_set_property(JSContext *ctx, JSObject *obj, jsid id, JSBool strict, jsval *vp);
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2005-09-15 09:58:31 -04:00
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const JSClass window_class = {
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"window",
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2011-04-19 16:41:05 -04:00
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JSCLASS_HAS_PRIVATE | JSCLASS_GLOBAL_FLAGS, /* struct view_state * */
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2005-09-15 09:58:31 -04:00
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JS_PropertyStub, JS_PropertyStub,
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window_get_property, window_set_property,
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JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
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};
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2006-12-06 16:09:14 -05:00
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/* Tinyids of properties. Use negative values to distinguish these
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* from array indexes (even though this object has no array elements).
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* ECMAScript code should not use these directly as in window[-1];
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* future versions of ELinks may change the numbers. */
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2005-09-15 09:58:31 -04:00
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enum window_prop {
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2006-12-06 16:09:14 -05:00
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JSP_WIN_CLOSED = -1,
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JSP_WIN_PARENT = -2,
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JSP_WIN_SELF = -3,
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JSP_WIN_STATUS = -4,
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JSP_WIN_TOP = -5,
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2005-09-15 09:58:31 -04:00
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};
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/* "location" is special because we need to simulate "location.href"
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* when the code is asking directly for "location". We do not register
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* it as a "known" property since that was yielding strange bugs
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* (SpiderMonkey was still asking us about the "location" string after
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* assigning to it once), instead we do just a little string
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* comparing. */
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const JSPropertySpec window_props[] = {
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{ "closed", JSP_WIN_CLOSED, JSPROP_ENUMERATE | JSPROP_READONLY },
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{ "parent", JSP_WIN_PARENT, JSPROP_ENUMERATE | JSPROP_READONLY },
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{ "self", JSP_WIN_SELF, JSPROP_ENUMERATE | JSPROP_READONLY },
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2006-10-24 14:41:25 -04:00
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{ "status", JSP_WIN_STATUS, JSPROP_ENUMERATE },
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2005-09-15 09:58:31 -04:00
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{ "top", JSP_WIN_TOP, JSPROP_ENUMERATE | JSPROP_READONLY },
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{ "window", JSP_WIN_SELF, JSPROP_ENUMERATE | JSPROP_READONLY },
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{ NULL }
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};
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static JSObject *
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try_resolve_frame(struct document_view *doc_view, unsigned char *id)
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{
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struct session *ses = doc_view->session;
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struct frame *target;
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assert(ses);
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target = ses_find_frame(ses, id);
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if (!target) return NULL;
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if (target->vs.ecmascript_fragile)
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ecmascript_reset_state(&target->vs);
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if (!target->vs.ecmascript) return NULL;
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return JS_GetGlobalObject(target->vs.ecmascript->backend_data);
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}
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#if 0
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static struct frame_desc *
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find_child_frame(struct document_view *doc_view, struct frame_desc *tframe)
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{
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struct frameset_desc *frameset = doc_view->document->frame_desc;
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int i;
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if (!frameset)
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return NULL;
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for (i = 0; i < frameset->n; i++) {
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struct frame_desc *frame = &frameset->frame_desc[i];
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if (frame == tframe)
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return frame;
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}
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return NULL;
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}
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#endif
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2006-11-23 16:33:43 -05:00
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/* @window_class.getProperty */
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2005-09-15 09:58:31 -04:00
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static JSBool
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2011-04-19 16:41:05 -04:00
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window_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp)
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2005-09-15 09:58:31 -04:00
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{
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2006-11-24 01:50:12 -05:00
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struct view_state *vs;
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2006-12-03 04:14:22 -05:00
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/* This can be called if @obj if not itself an instance of the
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* appropriate class but has one in its prototype chain. Fail
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* such calls. */
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if (!JS_InstanceOf(ctx, obj, (JSClass *) &window_class, NULL))
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return JS_FALSE;
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2006-11-25 01:54:58 -05:00
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2007-05-27 11:32:53 -04:00
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vs = JS_GetInstancePrivate(ctx, obj, (JSClass *) &window_class, NULL);
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2005-09-15 09:58:31 -04:00
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/* No need for special window.location measurements - when
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* location is then evaluated in string context, toString()
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* is called which we overrode for that class below, so
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* everything's fine. */
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2011-04-19 16:41:05 -04:00
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if (JSID_IS_STRING(id)) {
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2005-09-15 09:58:31 -04:00
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struct document_view *doc_view = vs->doc_view;
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JSObject *obj;
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2011-04-19 16:41:05 -04:00
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obj = try_resolve_frame(doc_view, jsid_to_string(ctx, &id));
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2005-09-15 09:58:31 -04:00
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/* TODO: Try other lookups (mainly element lookup) until
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* something yields data. */
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if (obj) {
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object_to_jsval(ctx, vp, obj);
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}
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return JS_TRUE;
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}
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2011-04-19 16:41:05 -04:00
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if (!JSID_IS_INT(id))
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2005-09-15 09:58:31 -04:00
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return JS_TRUE;
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undef_to_jsval(ctx, vp);
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2011-04-19 16:41:05 -04:00
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switch (JSID_TO_INT(id)) {
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2005-09-15 09:58:31 -04:00
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case JSP_WIN_CLOSED:
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/* TODO: It will be a major PITA to implement this properly.
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* Well, perhaps not so much if we introduce reference tracking
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* for (struct session)? Still... --pasky */
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boolean_to_jsval(ctx, vp, 0);
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break;
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case JSP_WIN_SELF:
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object_to_jsval(ctx, vp, obj);
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break;
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case JSP_WIN_PARENT:
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/* XXX: It would be nice if the following worked, yes.
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* The problem is that we get called at the point where
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* document.frame properties are going to be mostly NULL.
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* But the problem is deeper because at that time we are
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* yet building scrn_frames so our parent might not be there
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* yet (XXX: is this true?). The true solution will be to just
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* have struct document_view *(document_view.parent). --pasky */
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/* FIXME: So now we alias window.parent to window.top, which is
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* INCORRECT but works for the most common cases of just two
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* frames. Better something than nothing. */
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#if 0
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{
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/* This is horrible. */
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struct document_view *doc_view = vs->doc_view;
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struct session *ses = doc_view->session;
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struct frame_desc *frame = doc_view->document->frame;
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if (!ses->doc_view->document->frame_desc) {
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INTERNAL("Looking for parent but there're no frames.");
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break;
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}
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assert(frame);
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doc_view = ses->doc_view;
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if (find_child_frame(doc_view, frame))
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goto found_parent;
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foreach (doc_view, ses->scrn_frames) {
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if (find_child_frame(doc_view, frame))
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goto found_parent;
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}
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INTERNAL("Cannot find frame %s parent.",doc_view->name);
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break;
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found_parent:
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some_domain_security_check();
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if (doc_view->vs.ecmascript_fragile)
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ecmascript_reset_state(&doc_view->vs);
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assert(doc_view->ecmascript);
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object_to_jsval(ctx, vp, JS_GetGlobalObject(doc_view->ecmascript->backend_data));
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break;
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}
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#endif
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2006-10-26 16:30:26 -04:00
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case JSP_WIN_STATUS:
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return JS_FALSE;
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2005-09-15 09:58:31 -04:00
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case JSP_WIN_TOP:
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{
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struct document_view *doc_view = vs->doc_view;
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struct document_view *top_view = doc_view->session->doc_view;
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JSObject *newjsframe;
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assert(top_view && top_view->vs);
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if (top_view->vs->ecmascript_fragile)
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ecmascript_reset_state(top_view->vs);
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if (!top_view->vs->ecmascript)
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break;
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newjsframe = JS_GetGlobalObject(top_view->vs->ecmascript->backend_data);
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/* Keep this unrolled this way. Will have to check document.domain
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* JS property. */
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/* Note that this check is perhaps overparanoid. If top windows
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* is alien but some other child window is not, we should still
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* let the script walk thru. That'd mean moving the check to
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* other individual properties in this switch. */
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if (compare_uri(vs->uri, top_view->vs->uri, URI_HOST))
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object_to_jsval(ctx, vp, newjsframe);
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/* else */
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/****X*X*X*** SECURITY VIOLATION! RED ALERT, SHIELDS UP! ***X*X*X****\
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|* (Pasky was apparently looking at the Links2 JS code . ___ ^.^ *|
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\* for too long.) `.(,_,)\o/ */
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break;
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}
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default:
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2007-05-27 11:36:31 -04:00
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/* Unrecognized integer property ID; someone is using
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* the object as an array. SMJS builtin classes (e.g.
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2006-12-03 05:07:07 -05:00
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* js_RegExpClass) just return JS_TRUE in this case
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* and leave *@vp unchanged. Do the same here.
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* (Actually not quite the same, as we already used
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* @undef_to_jsval.) */
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2005-09-15 09:58:31 -04:00
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break;
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}
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return JS_TRUE;
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}
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void location_goto(struct document_view *doc_view, unsigned char *url);
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2006-11-23 16:33:43 -05:00
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/* @window_class.setProperty */
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2005-09-15 09:58:31 -04:00
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static JSBool
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2011-04-19 16:41:05 -04:00
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window_set_property(JSContext *ctx, JSObject *obj, jsid id, JSBool strict, jsval *vp)
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2005-09-15 09:58:31 -04:00
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{
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2006-11-24 01:50:12 -05:00
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struct view_state *vs;
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2006-12-03 04:14:22 -05:00
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/* This can be called if @obj if not itself an instance of the
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* appropriate class but has one in its prototype chain. Fail
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* such calls. */
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if (!JS_InstanceOf(ctx, obj, (JSClass *) &window_class, NULL))
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return JS_FALSE;
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2006-11-25 01:54:58 -05:00
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2007-05-27 11:32:53 -04:00
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vs = JS_GetInstancePrivate(ctx, obj, (JSClass *) &window_class, NULL);
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2005-09-15 09:58:31 -04:00
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2011-04-19 16:41:05 -04:00
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if (JSID_IS_STRING(id)) {
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if (!strcmp(jsid_to_string(ctx, &id), "location")) {
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2005-09-15 09:58:31 -04:00
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struct document_view *doc_view = vs->doc_view;
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location_goto(doc_view, jsval_to_string(ctx, vp));
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/* Do NOT touch our .location property, evil
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* SpiderMonkey!! */
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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2011-04-19 16:41:05 -04:00
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if (!JSID_IS_INT(id))
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2005-09-15 09:58:31 -04:00
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return JS_TRUE;
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2011-04-19 16:41:05 -04:00
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switch (JSID_TO_INT(id)) {
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2006-10-24 14:41:25 -04:00
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case JSP_WIN_STATUS:
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mem_free_set(&vs->doc_view->session->status.window_status, stracpy(jsval_to_string(ctx, vp)));
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print_screen_status(vs->doc_view->session);
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return JS_TRUE;
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2005-09-15 09:58:31 -04:00
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default:
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2007-05-27 11:36:31 -04:00
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/* Unrecognized integer property ID; someone is using
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* the object as an array. SMJS builtin classes (e.g.
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2006-12-03 05:07:07 -05:00
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* js_RegExpClass) just return JS_TRUE in this case.
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* Do the same here. */
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2005-09-15 09:58:31 -04:00
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return JS_TRUE;
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}
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return JS_TRUE;
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}
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2011-04-19 16:41:05 -04:00
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static JSBool window_alert(JSContext *ctx, uintN argc, jsval *rval);
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static JSBool window_open(JSContext *ctx, uintN argc, jsval *rval);
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static JSBool window_setTimeout(JSContext *ctx, uintN argc, jsval *rval);
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2005-09-15 09:58:31 -04:00
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2008-06-16 17:25:59 -04:00
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const spidermonkeyFunctionSpec window_funcs[] = {
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2005-09-15 09:58:31 -04:00
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{ "alert", window_alert, 1 },
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{ "open", window_open, 3 },
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2006-10-24 09:52:44 -04:00
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{ "setTimeout", window_setTimeout, 2 },
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2005-09-15 09:58:31 -04:00
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{ NULL }
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};
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2006-11-23 16:33:43 -05:00
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/* @window_funcs{"alert"} */
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2005-09-15 09:58:31 -04:00
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static JSBool
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2011-04-19 16:41:05 -04:00
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window_alert(JSContext *ctx, uintN argc, jsval *rval)
|
2005-09-15 09:58:31 -04:00
|
|
|
{
|
2011-04-19 16:41:05 -04:00
|
|
|
jsval val;
|
|
|
|
JSObject *obj = JS_THIS_OBJECT(ctx, rval);
|
|
|
|
jsval *argv = JS_ARGV(ctx, rval);
|
2006-11-24 01:50:12 -05:00
|
|
|
struct view_state *vs;
|
2005-09-15 09:58:31 -04:00
|
|
|
unsigned char *string;
|
|
|
|
|
2006-11-25 01:54:58 -05:00
|
|
|
if (!JS_InstanceOf(ctx, obj, (JSClass *) &window_class, argv)) return JS_FALSE;
|
|
|
|
|
2007-05-27 11:32:53 -04:00
|
|
|
vs = JS_GetInstancePrivate(ctx, obj, (JSClass *) &window_class, argv);
|
2006-11-24 01:50:12 -05:00
|
|
|
|
2005-09-15 09:58:31 -04:00
|
|
|
if (argc != 1)
|
|
|
|
return JS_TRUE;
|
|
|
|
|
|
|
|
string = jsval_to_string(ctx, &argv[0]);
|
|
|
|
if (!*string)
|
|
|
|
return JS_TRUE;
|
|
|
|
|
|
|
|
info_box(vs->doc_view->session->tab->term, MSGBOX_FREE_TEXT,
|
|
|
|
N_("JavaScript Alert"), ALIGN_CENTER, stracpy(string));
|
|
|
|
|
2011-04-19 16:41:05 -04:00
|
|
|
undef_to_jsval(ctx, &val);
|
|
|
|
JS_SET_RVAL(ctx, rval, val);
|
2005-09-15 09:58:31 -04:00
|
|
|
return JS_TRUE;
|
|
|
|
}
|
|
|
|
|
2006-11-23 16:33:43 -05:00
|
|
|
/* @window_funcs{"open"} */
|
2005-09-15 09:58:31 -04:00
|
|
|
static JSBool
|
2011-04-19 16:41:05 -04:00
|
|
|
window_open(JSContext *ctx, uintN argc, jsval *rval)
|
2005-09-15 09:58:31 -04:00
|
|
|
{
|
2011-04-19 16:41:05 -04:00
|
|
|
jsval val;
|
|
|
|
JSObject *obj = JS_THIS_OBJECT(ctx, rval);
|
|
|
|
jsval *argv = JS_ARGV(ctx, rval);
|
2006-11-24 01:50:12 -05:00
|
|
|
struct view_state *vs;
|
|
|
|
struct document_view *doc_view;
|
|
|
|
struct session *ses;
|
2008-07-20 10:41:03 -04:00
|
|
|
unsigned char *frame = NULL;
|
2008-07-16 09:19:34 -04:00
|
|
|
unsigned char *url, *url2;
|
2005-09-15 09:58:31 -04:00
|
|
|
struct uri *uri;
|
|
|
|
static time_t ratelimit_start;
|
|
|
|
static int ratelimit_count;
|
|
|
|
|
2006-11-25 01:54:58 -05:00
|
|
|
if (!JS_InstanceOf(ctx, obj, (JSClass *) &window_class, argv)) return JS_FALSE;
|
|
|
|
|
2007-05-27 11:32:53 -04:00
|
|
|
vs = JS_GetInstancePrivate(ctx, obj, (JSClass *) &window_class, argv);
|
2006-11-24 01:50:12 -05:00
|
|
|
doc_view = vs->doc_view;
|
|
|
|
ses = doc_view->session;
|
|
|
|
|
2007-08-30 17:11:51 -04:00
|
|
|
if (get_opt_bool("ecmascript.block_window_opening", ses)) {
|
2005-09-15 09:58:31 -04:00
|
|
|
#ifdef CONFIG_LEDS
|
|
|
|
set_led_value(ses->status.popup_led, 'P');
|
|
|
|
#endif
|
|
|
|
return JS_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (argc < 1) return JS_TRUE;
|
|
|
|
|
|
|
|
/* Ratelimit window opening. Recursive window.open() is very nice.
|
|
|
|
* We permit at most 20 tabs in 2 seconds. The ratelimiter is very
|
|
|
|
* rough but shall suffice against the usual cases. */
|
|
|
|
if (!ratelimit_start || time(NULL) - ratelimit_start > 2) {
|
|
|
|
ratelimit_start = time(NULL);
|
|
|
|
ratelimit_count = 0;
|
|
|
|
} else {
|
|
|
|
ratelimit_count++;
|
2008-07-20 10:41:03 -04:00
|
|
|
if (ratelimit_count > 20) {
|
2005-09-15 09:58:31 -04:00
|
|
|
return JS_TRUE;
|
2008-07-20 10:41:03 -04:00
|
|
|
}
|
2005-09-15 09:58:31 -04:00
|
|
|
}
|
|
|
|
|
2008-07-20 10:41:03 -04:00
|
|
|
url = stracpy(jsval_to_string(ctx, &argv[0]));
|
|
|
|
trim_chars(url, ' ', 0);
|
2008-07-16 09:19:34 -04:00
|
|
|
url2 = join_urls(doc_view->document->uri, url);
|
2005-09-15 09:58:31 -04:00
|
|
|
mem_free(url);
|
2008-07-16 09:19:34 -04:00
|
|
|
if (!url2) {
|
|
|
|
return JS_TRUE;
|
|
|
|
}
|
2008-07-20 10:41:03 -04:00
|
|
|
if (argc > 1) {
|
|
|
|
frame = stracpy(jsval_to_string(ctx, &argv[1]));
|
|
|
|
if (!frame) {
|
|
|
|
mem_free(url2);
|
|
|
|
return JS_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* TODO: Support for window naming and perhaps some window features? */
|
|
|
|
|
2008-07-16 09:19:34 -04:00
|
|
|
uri = get_uri(url2, 0);
|
|
|
|
mem_free(url2);
|
2008-07-20 10:41:03 -04:00
|
|
|
if (!uri) {
|
|
|
|
mem_free_if(frame);
|
|
|
|
return JS_TRUE;
|
|
|
|
}
|
2005-09-15 09:58:31 -04:00
|
|
|
|
2008-10-18 21:25:00 -04:00
|
|
|
if (frame && *frame && c_strcasecmp(frame, "_blank")) {
|
2005-09-15 09:58:31 -04:00
|
|
|
struct delayed_open *deo = mem_calloc(1, sizeof(*deo));
|
|
|
|
|
|
|
|
if (deo) {
|
|
|
|
deo->ses = ses;
|
|
|
|
deo->uri = get_uri_reference(uri);
|
2006-04-02 11:00:55 -04:00
|
|
|
deo->target = stracpy(frame);
|
2005-09-15 09:58:31 -04:00
|
|
|
register_bottom_half(delayed_goto_uri_frame, deo);
|
2011-04-19 16:41:05 -04:00
|
|
|
boolean_to_jsval(ctx, &val, 1);
|
2005-09-15 09:58:31 -04:00
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!get_cmd_opt_bool("no-connect")
|
|
|
|
&& !get_cmd_opt_bool("no-home")
|
|
|
|
&& !get_cmd_opt_bool("anonymous")
|
|
|
|
&& can_open_in_new(ses->tab->term)) {
|
|
|
|
open_uri_in_new_window(ses, uri, NULL, ENV_ANY,
|
|
|
|
CACHE_MODE_NORMAL, TASK_NONE);
|
2011-04-19 16:41:05 -04:00
|
|
|
boolean_to_jsval(ctx, &val, 1);
|
2005-09-15 09:58:31 -04:00
|
|
|
} else {
|
|
|
|
/* When opening a new tab, we might get rerendered, losing our
|
|
|
|
* context and triggerring a disaster, so postpone that. */
|
|
|
|
struct delayed_open *deo = mem_calloc(1, sizeof(*deo));
|
|
|
|
|
|
|
|
if (deo) {
|
|
|
|
deo->ses = ses;
|
|
|
|
deo->uri = get_uri_reference(uri);
|
|
|
|
register_bottom_half(delayed_open, deo);
|
2011-04-19 16:41:05 -04:00
|
|
|
boolean_to_jsval(ctx, &val, 1);
|
2005-09-15 09:58:31 -04:00
|
|
|
} else {
|
2011-04-19 16:41:05 -04:00
|
|
|
undef_to_jsval(ctx, &val);
|
2005-09-15 09:58:31 -04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
end:
|
|
|
|
done_uri(uri);
|
2008-07-20 10:41:03 -04:00
|
|
|
mem_free_if(frame);
|
2005-09-15 09:58:31 -04:00
|
|
|
|
2011-04-19 16:41:05 -04:00
|
|
|
JS_SET_RVAL(ctx, rval, val);
|
2005-09-15 09:58:31 -04:00
|
|
|
return JS_TRUE;
|
|
|
|
}
|
2006-10-24 09:52:44 -04:00
|
|
|
|
2006-11-23 16:33:43 -05:00
|
|
|
/* @window_funcs{"setTimeout"} */
|
2006-10-24 09:52:44 -04:00
|
|
|
static JSBool
|
2011-04-19 16:41:05 -04:00
|
|
|
window_setTimeout(JSContext *ctx, uintN argc, jsval *rval)
|
2006-10-24 09:52:44 -04:00
|
|
|
{
|
2011-04-19 16:41:05 -04:00
|
|
|
jsval *argv = JS_ARGV(ctx, rval);
|
2006-10-24 09:52:44 -04:00
|
|
|
struct ecmascript_interpreter *interpreter = JS_GetContextPrivate(ctx);
|
|
|
|
unsigned char *code;
|
|
|
|
int timeout;
|
|
|
|
|
|
|
|
if (argc != 2)
|
|
|
|
return JS_TRUE;
|
|
|
|
|
|
|
|
code = jsval_to_string(ctx, &argv[0]);
|
|
|
|
if (!*code)
|
|
|
|
return JS_TRUE;
|
|
|
|
|
|
|
|
code = stracpy(code);
|
|
|
|
if (!code)
|
|
|
|
return JS_TRUE;
|
|
|
|
timeout = atoi(jsval_to_string(ctx, &argv[1]));
|
2006-11-22 19:24:56 -05:00
|
|
|
if (timeout <= 0) {
|
|
|
|
mem_free(code);
|
2006-11-21 02:01:36 -05:00
|
|
|
return JS_TRUE;
|
2006-11-22 19:24:56 -05:00
|
|
|
}
|
2006-10-24 09:52:44 -04:00
|
|
|
ecmascript_set_timeout(interpreter, code, timeout);
|
|
|
|
return JS_TRUE;
|
|
|
|
}
|