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gecko-dev/lib/libmocha/lm_doc.c

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/*
* JS reflection of the current Navigator Document.
*
* Brendan Eich, 9/8/95
*/
#include "rosetta.h"
#include "lm.h"
#include "prtypes.h"
#include "plhash.h"
#include "prmem.h"
#include "prtime.h"
#include "xp.h"
#include "lo_ele.h"
#include "shist.h"
#include "cookies.h"
#include "structs.h" /* for MWContext */
#include "layout.h" /* included via -I../layout */
#include "pa_parse.h" /* included via -I../libparse */
#include "pa_tags.h" /* included via -I../libparse */
#include "secnav.h"
#include "libstyle.h"
#include "prthread.h"
#include "np.h"
#if defined (JAVA)
#include "jsjava.h"
#elif defined (OJI)
#include "jsjava.h"
#include "np2.h"
#endif
#ifdef DOM
#include "domstyle.h"
#endif
#ifndef DOM
enum doc_slot {
DOC_LENGTH = -1,
DOC_ELEMENTS = -2,
DOC_FORMS = -3,
DOC_LINKS = -4,
DOC_ANCHORS = -5,
DOC_APPLETS = -6,
DOC_EMBEDS = -7,
DOC_TITLE = -8,
DOC_URL = -9,
DOC_REFERRER = -10,
DOC_LAST_MODIFIED = -11,
DOC_COOKIE = -12,
DOC_DOMAIN = -13,
/* slots below this line are not secured */
DOC_IMAGES = -14,
DOC_LAYERS = -15,
DOC_LOADED_DATE = -16,
DOC_BG_COLOR = -17,
DOC_FG_COLOR = -18,
DOC_LINK_COLOR = -19,
DOC_VLINK_COLOR = -20,
DOC_ALINK_COLOR = -21,
DOC_WIDTH = -22,
DOC_HEIGHT = -23,
DOC_BUILTINS = -24
};
#else
enum doc_slot {
DOC_LENGTH = -1,
DOC_ELEMENTS = -2,
DOC_FORMS = -3,
DOC_LINKS = -4,
DOC_ANCHORS = -5,
DOC_APPLETS = -6,
DOC_EMBEDS = -7,
DOC_DOCELEMENT = -8, /* Added for W3C DOM stuff */
DOC_TITLE = -9,
DOC_URL = -10,
DOC_REFERRER = -11,
DOC_LAST_MODIFIED = -12,
DOC_COOKIE = -13,
DOC_DOMAIN = -14,
/* slots below this line are not secured */
DOC_IMAGES = -15,
DOC_LAYERS = -16,
DOC_LOADED_DATE = -17,
DOC_BG_COLOR = -18,
DOC_FG_COLOR = -19,
DOC_LINK_COLOR = -20,
DOC_VLINK_COLOR = -21,
DOC_ALINK_COLOR = -22,
DOC_WIDTH = -23,
DOC_HEIGHT = -24,
DOC_BUILTINS = -25
};
#endif
#define IS_SECURE_DOC_SLOT(s) (DOC_DOMAIN <= (s) && (s) <= DOC_LENGTH)
static JSPropertySpec doc_props[] = {
{lm_length_str, DOC_LENGTH, JSPROP_READONLY},
{"elements", DOC_ELEMENTS, JSPROP_READONLY},
{lm_forms_str, DOC_FORMS, JSPROP_ENUMERATE|JSPROP_READONLY},
{lm_links_str, DOC_LINKS, JSPROP_ENUMERATE|JSPROP_READONLY},
{lm_anchors_str, DOC_ANCHORS, JSPROP_ENUMERATE|JSPROP_READONLY},
{lm_applets_str, DOC_APPLETS, JSPROP_ENUMERATE|JSPROP_READONLY},
{lm_embeds_str, DOC_EMBEDS, JSPROP_ENUMERATE|JSPROP_READONLY},
{lm_plugins_str, DOC_EMBEDS, JSPROP_READONLY},
{lm_images_str, DOC_IMAGES, JSPROP_ENUMERATE|JSPROP_READONLY},
{lm_layers_str, DOC_LAYERS, JSPROP_ENUMERATE|JSPROP_READONLY},
#ifdef DOM
{"documentElement",DOC_DOCELEMENT, JSPROP_ENUMERATE|JSPROP_READONLY},
#endif
{"title", DOC_TITLE, JSPROP_ENUMERATE|JSPROP_READONLY},
{"URL", DOC_URL, JSPROP_ENUMERATE|JSPROP_READONLY},
{"referrer", DOC_REFERRER, JSPROP_ENUMERATE|JSPROP_READONLY},
{"lastModified", DOC_LAST_MODIFIED, JSPROP_ENUMERATE|JSPROP_READONLY},
{"loadedDate", DOC_LOADED_DATE, JSPROP_READONLY},
{"cookie", DOC_COOKIE, JSPROP_ENUMERATE},
{"domain", DOC_DOMAIN, JSPROP_ENUMERATE},
{"bgColor", DOC_BG_COLOR, JSPROP_ENUMERATE},
{"fgColor", DOC_FG_COLOR, JSPROP_ENUMERATE},
{"linkColor", DOC_LINK_COLOR, JSPROP_ENUMERATE},
{"vlinkColor", DOC_VLINK_COLOR, JSPROP_ENUMERATE},
{"alinkColor", DOC_ALINK_COLOR, JSPROP_ENUMERATE},
{"width", DOC_WIDTH, JSPROP_ENUMERATE},
{"height", DOC_HEIGHT, JSPROP_ENUMERATE},
{lm_builtins_str,DOC_BUILTINS, JSPROP_ENUMERATE|JSPROP_READONLY},
{0}
};
#define LO_COLOR_TYPE(slot) \
(((slot) == DOC_BG_COLOR) ? LO_COLOR_BG \
: ((slot) == DOC_FG_COLOR) ? LO_COLOR_FG \
: ((slot) == DOC_LINK_COLOR) ? LO_COLOR_LINK \
: ((slot) == DOC_VLINK_COLOR) ? LO_COLOR_VLINK \
: ((slot) == DOC_ALINK_COLOR) ? LO_COLOR_ALINK \
: -1)
extern PRThread *mozilla_thread;
extern JSClass lm_document_class;
extern JSClass lm_form_class;
extern JSClass *lm_java_clasp;
JSContext *lm_writing_context;
static int32 writing_context_counter;
PR_STATIC_CALLBACK(JSBool)
doc_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSDocument *doc;
MochaDecoder *decoder;
MWContext *context;
History_entry *he = NULL;
JSString *str = NULL;
int64 prsec, scale, prusec;
PRExplodedTime prtime;
char *cookie, buf[100];
const char *domain, *origin;
uint32 type;
LO_Color rgb, *bg_color;
jsint slot;
CL_Layer *layer;
int32 active_layer_id;
doc = JS_GetInstancePrivate(cx, obj, &lm_document_class, NULL);
if (!doc)
return JS_TRUE;
decoder = doc->decoder;
slot = JSVAL_IS_INT(id) ? JSVAL_TO_INT(id) : 0;
if (IS_SECURE_DOC_SLOT(slot) ||
(slot == 0 &&
JSVAL_IS_OBJECT(*vp) &&
JSVAL_TO_OBJECT(*vp) &&
(JS_InstanceOf(cx, JSVAL_TO_OBJECT(*vp), &lm_form_class, NULL) ||
(lm_java_clasp &&
JS_InstanceOf(cx, JSVAL_TO_OBJECT(*vp), lm_java_clasp, NULL)))))
{
if (!lm_CheckPermissions(cx, obj, JSTARGET_UNIVERSAL_BROWSER_READ))
return JS_FALSE;
}
if (!JSVAL_IS_INT(id))
return JS_TRUE;
context = decoder->window_context;
if (!context)
return JS_TRUE;
LO_LockLayout();
if(decoder->doc_id != XP_DOCID(context)) {
LO_UnlockLayout();
#ifdef DEBUG_chouck
XP_TRACE(("DOCID: in doc_getProperty"));
#endif
return JS_FALSE;
}
switch (slot) {
case DOC_FORMS:
*vp = OBJECT_TO_JSVAL(lm_GetFormArray(decoder, obj));
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, doc->layer_id);
(void) LO_EnumerateForms(context, doc->layer_id);
LM_SetActiveLayer(context, active_layer_id);
LO_UnlockLayout();
return JS_TRUE;
case DOC_LINKS:
*vp = OBJECT_TO_JSVAL(lm_GetLinkArray(decoder, obj));
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, doc->layer_id);
(void) LO_EnumerateLinks(context, doc->layer_id);
LM_SetActiveLayer(context, active_layer_id);
LO_UnlockLayout();
return JS_TRUE;
case DOC_ANCHORS:
*vp = OBJECT_TO_JSVAL(lm_GetNameArray(decoder, obj));
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, doc->layer_id);
(void) LO_EnumerateNamedAnchors(context,doc->layer_id);
LM_SetActiveLayer(context, active_layer_id);
LO_UnlockLayout();
return JS_TRUE;
case DOC_APPLETS:
#if defined(JAVA) || defined(OJI)
if (LM_MOJA_OK != ET_InitMoja(context)) {
LO_UnlockLayout();
return JS_FALSE;
}
*vp = OBJECT_TO_JSVAL(lm_GetAppletArray(decoder, obj));
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, doc->layer_id);
(void) LO_EnumerateApplets(context,doc->layer_id);
LM_SetActiveLayer(context, active_layer_id);
LO_UnlockLayout();
return JS_TRUE;
#else
LO_UnlockLayout();
break;
#endif
case DOC_EMBEDS:
#if defined(JAVA) || defined(OJI)
if (LM_MOJA_OK != ET_InitMoja(context)) {
LO_UnlockLayout();
return JS_FALSE;
}
*vp = OBJECT_TO_JSVAL(lm_GetEmbedArray(decoder, obj));
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, doc->layer_id);
(void) LO_EnumerateEmbeds(context,doc->layer_id);
LM_SetActiveLayer(context, active_layer_id);
LO_UnlockLayout();
return JS_TRUE;
#else
LO_UnlockLayout();
break;
#endif
case DOC_IMAGES:
*vp = OBJECT_TO_JSVAL(lm_GetImageArray(decoder, obj));
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, doc->layer_id);
(void) LO_EnumerateImages(context,doc->layer_id);
LM_SetActiveLayer(context, active_layer_id);
LO_UnlockLayout();
return JS_TRUE;
case DOC_BUILTINS:
*vp = OBJECT_TO_JSVAL(lm_GetBuiltinsArray(decoder, obj));
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, doc->layer_id);
(void) LO_EnumerateBuiltins(context,doc->layer_id);
LM_SetActiveLayer(context, active_layer_id);
LO_UnlockLayout();
return JS_TRUE;
case DOC_LAYERS:
*vp = OBJECT_TO_JSVAL(lm_GetDocumentLayerArray(decoder, obj));
LO_UnlockLayout();
return JS_TRUE;
#ifdef DOM
case DOC_DOCELEMENT:
*vp = OBJECT_TO_JSVAL(lm_DOMGetDocumentElement(decoder, obj));
LO_UnlockLayout();
return JS_TRUE;
#endif /* DOM */
/* XXX BUGBUG Need a story for some of these for a layer's document */
case DOC_TITLE:
he = SHIST_GetCurrent(&context->hist);
str = lm_EncodingToStr(context->mocha_context, CS_UTF8, he ? he->title : "");
LO_UnlockLayout();
break;
case DOC_URL:
he = SHIST_GetCurrent(&context->hist);
str = JS_NewStringCopyZ(cx, he ? he->address : "");
LO_UnlockLayout();
break;
case DOC_REFERRER:
he = SHIST_GetCurrent(&context->hist);
str = JS_NewStringCopyZ(cx, he ? he->referer : "");
LO_UnlockLayout();
break;
case DOC_LAST_MODIFIED:
he = SHIST_GetCurrent(&context->hist);
if (he) {
LL_I2L(prsec, he->last_modified);
LL_I2L(scale, 1000000);
LL_MUL(prusec, prsec, scale);
PR_ExplodeTime(prusec, PR_LocalTimeParameters, &prtime);
PR_FormatTime(buf, sizeof buf,
#ifdef _WIN32
/* MSVC requires %#c to get a 4-digit date. */
"%#c",
#else
"%c",
#endif
&prtime);
} else {
buf[0] = '\0';
}
str = JS_NewStringCopyZ(cx, buf);
LO_UnlockLayout();
break;
case DOC_LOADED_DATE:
LO_UnlockLayout();
/* XXX todo */
str = JSVAL_TO_STRING(JS_GetEmptyStringValue(cx));
break;
case DOC_COOKIE:
/* XXX overloaded return - can't distinguish "none" from "error" */
he = SHIST_GetCurrent(&context->hist);
cookie = NET_GetCookie(context, he ? he->address : "");
str = JS_NewStringCopyZ(cx, cookie);
XP_FREEIF(cookie);
LO_UnlockLayout();
break;
case DOC_DOMAIN:
LO_UnlockLayout();
origin = lm_GetObjectOriginURL(cx, obj);
if (!origin)
return JS_FALSE;
domain = NET_ParseURL(origin, GET_HOST_PART);
if (!domain) {
JS_ReportOutOfMemory(cx);
return JS_FALSE;
}
str = JS_NewStringCopyZ(cx, domain);
XP_FREE((char *)domain);
break;
case DOC_WIDTH:
layer = LO_GetLayerFromId(context, doc->layer_id);
*vp = INT_TO_JSVAL(LO_GetLayerScrollWidth(layer));
LO_UnlockLayout();
return JS_TRUE;
case DOC_HEIGHT:
layer = LO_GetLayerFromId(context, doc->layer_id);
*vp = INT_TO_JSVAL(LO_GetLayerScrollHeight(layer));
LO_UnlockLayout();
return JS_TRUE;
case DOC_BG_COLOR:
layer = LO_GetLayerFromId(context, doc->layer_id);
bg_color = LO_GetLayerBgColor(layer);
LO_UnlockLayout();
if (bg_color) {
XP_SPRINTF(buf, "#%02x%02x%02x", bg_color->red, bg_color->green,
bg_color->blue);
str = JS_NewStringCopyZ(cx, buf);
}
else {
*vp = JSVAL_NULL;
return JS_TRUE;
}
break;
default:
type = LO_COLOR_TYPE(slot);
if (type >= LO_NCOLORS) {
LO_UnlockLayout();
/* Don't mess with a user-defined or method property. */
return JS_TRUE;
}
/* Note: background color handled above */
LO_GetDocumentColor(context, type, &rgb);
XP_SPRINTF(buf, "#%02x%02x%02x", rgb.red, rgb.green, rgb.blue);
str = JS_NewStringCopyZ(cx, buf);
LO_UnlockLayout();
break;
}
/* Common tail code for string-type properties. */
if (!str)
return JS_FALSE;
*vp = STRING_TO_JSVAL(str);
return JS_TRUE;
}
static char *
getPortStart(char *host) {
char *p, *result;
result = NULL;
for (p=host; *p; p++) {
/*
* A little paranioia: check that we have only numbers following the
* colon
*/
if (result && (*p < '0' || '9' < *p))
result = NULL;
if (*p == ':')
result = p;
}
return result;
}
PR_STATIC_CALLBACK(JSBool)
doc_setProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSObject *layer_obj;
JSDocument *doc;
MochaDecoder *decoder;
MWContext *context;
char *protocol, *pathname, *new_origin_url, *str, *port, *domain;
const char *new_domain, *domain_suffix, *prop_name, *origin;
size_t domain_len, new_domain_len;
JSBool ok;
uint32 type;
LO_Color *rgb;
jsint slot;
int32 val;
CL_Layer *layer;
History_entry *he = NULL;
doc = JS_GetInstancePrivate(cx, obj, &lm_document_class, NULL);
if (!doc)
return JS_TRUE;
decoder = doc->decoder;
if (!lm_CheckPermissions(cx, obj, JSTARGET_UNIVERSAL_BROWSER_WRITE))
return JS_FALSE;
if (!JSVAL_IS_INT(id)) {
/*
* Due to the wonderful world of threads we need to know ahead of
* time if someone is setting an onMouseMove event handler here or
* in document so that we don't lose messages.
*/
if (JS_TypeOfValue(cx, *vp) == JSTYPE_FUNCTION) {
if (JSVAL_IS_STRING(id)) {
prop_name = JS_GetStringBytes(JSVAL_TO_STRING(id));
/* XXX use lm_onMouseMove_str etc.*/
if (XP_STRCMP(prop_name, "onmousemove") == 0 ||
XP_STRCMP(prop_name, "onMouseMove") == 0) {
decoder->window_context->js_drag_enabled = TRUE;
}
}
}
return JS_TRUE;
}
slot = JSVAL_TO_INT(id);
context = decoder->window_context;
if (!context)
return JS_TRUE;
LO_LockLayout();
if(decoder->doc_id != XP_DOCID(context)) {
LO_UnlockLayout();
#ifdef DEBUG_chouck
XP_TRACE(("DOCID: in doc_setProperty"));
#endif
return JS_FALSE;
}
switch (slot) {
case DOC_COOKIE:
if (!JSVAL_IS_STRING(*vp) &&
!JS_ConvertValue(cx, *vp, JSTYPE_STRING, vp)) {
LO_UnlockLayout();
return JS_FALSE;
}
he = SHIST_GetCurrent(&context->hist);
str = JS_GetStringBytes(JSVAL_TO_STRING(*vp));
/* will make a copy that netlib can munge */
if (str)
str = strdup(str);
LO_UnlockLayout();
NET_SetCookieString(context, he ? he->address : "", str);
break;
case DOC_DOMAIN:
LO_UnlockLayout();
origin = lm_GetObjectOriginURL(cx, obj);
if (!origin || XP_STRCMP(origin, lm_unknown_origin_str) == 0)
return JS_FALSE;
domain = (char *) NET_ParseURL(origin, GET_HOST_PART);
if (!domain) {
JS_ReportOutOfMemory(cx);
return JS_FALSE;
}
if (!JSVAL_IS_STRING(*vp) &&
!JS_ConvertValue(cx, *vp, JSTYPE_STRING, vp)) {
XP_FREE((char *)domain);
return JS_FALSE;
}
new_domain = JS_GetStringBytes(JSVAL_TO_STRING(*vp));
new_domain_len = JS_GetStringLength(JSVAL_TO_STRING(*vp));
/* Allow setting document.domain to remove a port */
port = getPortStart(domain);
if (port != NULL && getPortStart((char *) new_domain) == NULL) {
*port = '\0';
}
domain_len = XP_STRLEN(domain);
domain_suffix = domain + domain_len - new_domain_len;
ok = (JSBool)(!XP_STRCASECMP(domain, new_domain) ||
(domain_len > new_domain_len &&
!XP_STRCASECMP(domain_suffix, new_domain) &&
(domain_suffix[-1] == '.' || domain_suffix[-1] == '/')));
if (!ok) {
JS_ReportError(cx, "illegal document.domain value %s",
new_domain);
} else {
protocol = NET_ParseURL(origin, GET_PROTOCOL_PART);
pathname = NET_ParseURL(origin, GET_PATH_PART | GET_HASH_PART |
GET_SEARCH_PART);
new_origin_url = PR_smprintf("%s//%s%s",
protocol, new_domain, pathname);
ok = (JSBool)(protocol && pathname && new_origin_url);
if (!ok) {
JS_ReportOutOfMemory(cx);
} else {
JSPrincipals *principals;
principals = lm_GetInnermostPrincipals(cx, obj, NULL);
if (principals) {
ok = lm_SetDocumentDomain(cx, principals, new_origin_url);
}
}
PR_FREEIF(protocol);
PR_FREEIF(pathname);
PR_FREEIF(new_origin_url);
}
XP_FREE(domain);
return ok;
case DOC_BG_COLOR:
if (doc->layer_id == LO_DOCUMENT_LAYER_ID) {
layer = LO_GetLayerFromId(context, LO_DOCUMENT_LAYER_ID);
LO_UnlockLayout();
if (!lm_jsval_to_rgb(cx, vp, &rgb))
return JS_FALSE;
ET_TweakLayer(decoder->window_context, layer, 0, 0,
rgb, 0, CL_SetBgColor, NULL, decoder->doc_id);
} else {
layer_obj = LO_GetLayerMochaObjectFromId(context, doc->layer_id);
LO_UnlockLayout();
if (layer_obj)
layer_setBgColorProperty(cx, layer_obj, vp);
}
break;
case DOC_FG_COLOR:
case DOC_LINK_COLOR:
case DOC_VLINK_COLOR:
case DOC_ALINK_COLOR:
type = LO_COLOR_TYPE(slot);
if (type >= LO_NCOLORS) {
LO_UnlockLayout();
break;
}
if (!lm_jsval_to_rgb(cx, vp, &rgb) || !rgb) {
LO_UnlockLayout();
return JS_FALSE;
}
LO_SetDocumentColor(context, type, rgb);
LO_UnlockLayout();
if (rgb)
XP_FREE(rgb);
break;
/*
* XXX BUGBUG These don't do the right thing for a window's document.
* Does any of this make sense for a layer's document?
*/
case DOC_WIDTH:
/* Front-ends can't cope with a document dimension less than one. */
if (!JS_ValueToInt32(cx, *vp, &val)) {
LO_UnlockLayout();
return JS_FALSE;
}
layer = LO_GetLayerFromId(context, doc->layer_id);
LO_SetLayerScrollWidth(layer, val <= 1 ? 1 : val);
LO_UnlockLayout();
break;
case DOC_HEIGHT:
/* Front-ends can't cope with a document dimension less than one. */
if (!JS_ValueToInt32(cx, *vp, &val)) {
LO_UnlockLayout();
return JS_FALSE;
}
layer = LO_GetLayerFromId(context, doc->layer_id);
LO_SetLayerScrollHeight(layer, val <= 1 ? 1 : val);
LO_UnlockLayout();
break;
default:
LO_UnlockLayout();
break;
}
return doc_getProperty(cx, obj, id, vp);
}
#if defined(JAVA) || defined(OJI)
static void
lm_reflect_stuff_eagerly(MWContext * context, int32 layer_id)
{
lo_TopState *top_state;
int count, index;
LO_JavaAppStruct *applet;
LO_EmbedStruct *embed;
lo_DocLists *doc_lists;
LO_LockLayout();
top_state = lo_GetMochaTopState(context);
if (top_state == NULL) {
LO_UnlockLayout();
return;
}
doc_lists = lo_GetDocListsById(top_state->doc_state, layer_id);
count = 0;
applet = doc_lists->applet_list;
while (applet) {
applet = applet->nextApplet;
count++;
}
/* reflect all applets in reverse order */
applet = doc_lists->applet_list;
for (index = count-1; index >= 0; index--) {
if (applet->objTag.mocha_object == NULL) {
LM_ReflectApplet(context, applet, NULL, layer_id, index);
}
applet = applet->nextApplet;
}
count = 0;
embed = doc_lists->embed_list;
while (embed) {
embed = embed->nextEmbed;
count++;
}
/* reflect all embeds in reverse order */
embed = doc_lists->embed_list;
for (index = count-1; index >= 0; index--) {
if (embed->objTag.mocha_object == NULL) {
LM_ReflectEmbed(context, embed, NULL, layer_id, index);
}
embed = embed->nextEmbed;
}
LO_UnlockLayout();
}
#endif /* JAVA || OJI*/
PR_STATIC_CALLBACK(JSBool)
doc_list_properties(JSContext *cx, JSObject *obj)
{
#if defined(JAVA) || defined(OJI)
/* reflect applets eagerly, anything else? */
JSDocument *doc;
MWContext *context;
JSBool bDoInitMoja = JS_FALSE;
lo_TopState *top_state;
lo_DocLists *doc_lists;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_TRUE;
context = doc->decoder->window_context;
if (!context)
return JS_TRUE;
LO_LockLayout();
/* if no embeds or applets don't eagerly start java */
top_state = lo_GetMochaTopState(context);
if (top_state) {
doc_lists = lo_GetDocListsById(top_state->doc_state, doc->layer_id);
if(doc_lists){
if (doc_lists->applet_list)
bDoInitMoja = JS_TRUE;
else if (doc_lists->embed_list){
/* determine if any of these embeds actually require java, are liveconnected. */
LO_EmbedStruct *embed;
for (embed = doc_lists->embed_list; embed != NULL; embed=embed->nextEmbed){
if (NPL_IsLiveConnected(embed)){
bDoInitMoja = JS_TRUE;
break; /* it only takes one */
}
}
}
}
}
LO_UnlockLayout();
if(bDoInitMoja) {
if (LM_MOJA_OK != ET_InitMoja(context))
return JS_FALSE;
#ifdef OJI
if (JVM_IsLiveConnectEnabled())
lm_reflect_stuff_eagerly(context, doc->layer_id);
#else
if (JSJ_IsEnabled())
lm_reflect_stuff_eagerly(context, doc->layer_id);
#endif /* !OJI */
}
#endif /* JAVA || OJI */
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
doc_resolve_name(JSContext *cx, JSObject *obj, jsval id)
{
JSDocument *doc;
const char * name;
JSObject *layer_obj;
if (!JSVAL_IS_STRING(id))
return JS_TRUE;
name = JS_GetStringBytes(JSVAL_TO_STRING(id));
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_TRUE;
layer_obj = lm_GetNamedLayer(doc->decoder, doc->layer_id, name);
if (layer_obj)
return JS_DefineProperty(cx, obj, name,
OBJECT_TO_JSVAL(layer_obj),
NULL, NULL,
JSPROP_ENUMERATE | JSPROP_READONLY);
#ifdef DOM
if (!DOM_DocObjectResolveStyleProps(cx, obj, id))
return JS_FALSE;
#else
if (!JSS_ResolveDocName(cx, doc->decoder->window_context, obj, id))
return JS_FALSE;
#endif
return doc_list_properties(cx, obj);
}
PR_STATIC_CALLBACK(void)
doc_finalize(JSContext *cx, JSObject *obj)
{
JSDocument *doc;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return;
DROP_BACK_COUNT(doc->decoder);
JS_RemoveRoot(cx, &doc->forms);
JS_RemoveRoot(cx, &doc->links);
JS_RemoveRoot(cx, &doc->anchors);
JS_RemoveRoot(cx, &doc->applets);
JS_RemoveRoot(cx, &doc->embeds);
JS_RemoveRoot(cx, &doc->images);
JS_RemoveRoot(cx, &doc->layers);
JS_free(cx, doc);
}
JSClass lm_document_class = {
"Document", JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_PropertyStub, doc_getProperty, doc_setProperty,
doc_list_properties, doc_resolve_name, JS_ConvertStub, doc_finalize
};
PR_STATIC_CALLBACK(JSBool)
Document(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
doc_toString(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
/* XXX make string of whole doc for trusted scripts */
*rval = JS_GetEmptyStringValue(cx);
return JS_TRUE;
}
char *
LM_GetBaseHrefTag(JSContext *cx, JSPrincipals *principals)
{
char *new_origin_url;
const char *origin_url;
const char *cp, *qp, *last_slash;
char *tag;
origin_url = principals ? principals->codebase : lm_unknown_origin_str;
if (origin_url == NULL)
return NULL;
new_origin_url = 0;
cp = origin_url;
if ((qp = XP_STRCHR(cp, '"')) != 0) {
do {
new_origin_url = PR_sprintf_append(new_origin_url, "%.*s%%%x",
qp - cp, cp, *qp);
cp = qp + 1;
} while ((qp = XP_STRCHR(cp, '"')) != 0);
new_origin_url = PR_sprintf_append(new_origin_url, "%s", cp);
if (!new_origin_url) {
JS_ReportOutOfMemory(cx);
return NULL;
}
origin_url = new_origin_url;
}
last_slash = XP_STRRCHR(origin_url, '/');
if (last_slash) {
tag = PR_smprintf("<BASE HREF=\"%.*s/\">\n",
last_slash - origin_url, origin_url);
} else {
tag = PR_smprintf("<BASE HREF=\"%s\">\n", origin_url);
}
PR_FREEIF(new_origin_url);
if (!tag)
JS_ReportOutOfMemory(cx);
return tag;
}
static int
doc_write_stream(JSContext *cx, MochaDecoder *decoder,
NET_StreamClass *stream, char *str, size_t len)
{
ET_lo_DoDocWrite(cx, decoder->window_context, stream, str, len,
decoder->doc_id);
return JS_TRUE;
}
static char *
context_pathname(JSContext *cx, MWContext *context, int32 layer_id)
{
MWContext *parent;
int count, index;
char *name = 0;
while ((parent = context->grid_parent) != 0) {
if (context->name) {
name = PR_sprintf_append(name, "%s.", context->name);
} else {
/* XXX silly xp_cntxt.c puts newer contexts at the front! */
count = XP_ListCount(parent->grid_children);
index = XP_ListGetNumFromObject(parent->grid_children, context);
name = PR_sprintf_append(name, "%u.", count - index);
}
context = parent;
}
name = PR_sprintf_append(name, "%ld", (long)XP_DOCID(context));
if (layer_id != LO_DOCUMENT_LAYER_ID)
name = PR_sprintf_append(name, ".%ld", layer_id);
if (!name)
JS_ReportOutOfMemory(cx);
return name;
}
/* Make a wysiwyg: URL containing the context and our origin. */
char *
lm_MakeWysiwygUrl(JSContext *cx, MochaDecoder *decoder, int32 layer_id,
JSPrincipals *principals)
{
const char *origin;
const char *pathname;
char *url_string;
char *slash;
origin = principals ? principals->codebase : lm_unknown_origin_str;
if (origin == NULL)
return NULL;
pathname = context_pathname(cx, decoder->window_context, layer_id);
if (!pathname)
return NULL;
while ((slash = XP_STRCHR(pathname, '/')) != NULL) {
/* Escape '/' in pathname as "%2f" */
char *newPath;
*slash = '\0';
newPath = PR_smprintf("%s%%2f%s", pathname, slash+1);
XP_FREE((char *)pathname);
if (!newPath) {
JS_ReportOutOfMemory(cx);
return NULL;
}
pathname = newPath;
}
url_string = PR_smprintf("wysiwyg://%s/%s", pathname, origin);
XP_FREE((char *)pathname);
if (!url_string) {
JS_ReportOutOfMemory(cx);
return NULL;
}
return url_string;
}
static NET_StreamClass *
doc_cache_converter(JSContext *cx, MochaDecoder *decoder,
URL_Struct *url_struct, char *wysiwyg_url,
int32 layer_id)
{
NET_StreamClass * rv;
rv = ET_moz_DocCacheConverter(decoder->window_context,
url_struct, wysiwyg_url,
layer_id);
if (!rv)
JS_ReportOutOfMemory(cx);
return rv;
}
NET_StreamClass *
LM_WysiwygCacheConverter(MWContext *context, URL_Struct *url_struct,
const char * wysiwyg_url, const char * base_href)
{
NET_StreamClass *cache_stream;
if (!wysiwyg_url) {
cache_stream = 0;
} else {
cache_stream = lm_DocCacheConverter(context, url_struct,
wysiwyg_url);
if (cache_stream) {
/* Wysiwyg files need a base tag that removes that URL prefix. */
if (base_href) {
(void) cache_stream->put_block(cache_stream,
base_href,
XP_STRLEN(base_href));
}
}
}
return cache_stream;
}
static char nscp_open_tag[] = "<" PT_NSCP_OPEN ">";
static NET_StreamClass *
doc_open_stream(JSContext *cx, MochaDecoder *decoder, JSObject *doc_obj,
const char *mime_type, JSBool replace)
{
JSDocument *doc;
MWContext *context;
char *wysiwyg_url, *tag;
JSPrincipals *principals;
URL_Struct *url_struct, *cached_url;
MochaDecoder *running;
History_entry *he;
NET_StreamClass *stream;
JSBool is_text_html;
FO_Present_Types present_type;
context = decoder->window_context;
if (!context)
return NULL;
doc = JS_GetPrivate(cx, doc_obj);
if (!doc)
return NULL;
/* Don't allow a script to replace a message window's contents
with its own document.write'ed content, since that would allow
them to spoof mail headers. */
if ((doc->layer_id == LO_DOCUMENT_LAYER_ID) && IS_MESSAGE_WINDOW(context))
return NULL;
/* We must be called after any loading URL has finished. */
XP_ASSERT(!decoder->url_struct);
principals = lm_GetPrincipalsFromStackFrame(cx);
wysiwyg_url = lm_MakeWysiwygUrl(cx, decoder, doc->layer_id, principals);
if (!wysiwyg_url)
return NULL;
url_struct = NET_CreateURLStruct(wysiwyg_url, NET_DONT_RELOAD);
if (!url_struct) {
XP_FREE(wysiwyg_url);
JS_ReportOutOfMemory(cx);
return NULL;
}
/* Set content type so it can be cached. */
StrAllocCopy(url_struct->content_type, mime_type);
url_struct->preset_content_type = TRUE;
url_struct->must_cache = TRUE;
/* Set these to null so we can goto bad from here onward. */
stream = 0;
cached_url = 0;
HG99880
/* If we're opening a stream for the window's document */
if (doc->layer_id == LO_DOCUMENT_LAYER_ID) {
/* Free any old doc before stream building, which may discard too. */
ET_lo_DiscardDocument(context);
if (replace) {
/* If replacing, flag current entry and url_struct specially. */
lm_ReplaceURL(context, url_struct);
}
present_type = FO_PRESENT;
}
/* Otherwise, we're dealing with a layer's document */
else {
const char *referer = lm_GetSubjectOriginURL(cx);
if (!referer ||
!ET_lo_PrepareLayerForWriting(context, doc->layer_id, referer)) {
goto bad;
}
lm_NewLayerDocument(decoder, doc->layer_id);
LM_SetActiveLayer(context, doc->layer_id);
present_type = FO_PRESENT_INLINE;
}
/* We must be called after any open stream has been closed. */
XP_ASSERT(!decoder->stream);
stream = ET_net_StreamBuilder(present_type, url_struct, context);
if (!stream) {
JS_ReportError(cx, "cannot open document for %s", mime_type);
goto bad;
}
if (doc->layer_id == LO_DOCUMENT_LAYER_ID) {
/* Layout discards documents lazily, but we are now eager. */
if (!decoder->document && !lm_InitWindowContent(decoder))
goto bad;
/*
* Reset the doc_id since the context won't have a valid
* one set till we start writing out content.
*/
decoder->doc_id = 0;
}
decoder->writing_input = JS_TRUE;
if (!lm_SetInputStream(cx, decoder, stream, url_struct, JS_TRUE))
goto bad;
is_text_html = (JSBool)(!XP_STRCMP(mime_type, TEXT_HTML));
/* Only need to do this for a window's document */
if (doc->layer_id == LO_DOCUMENT_LAYER_ID) {
if (is_text_html) {
/* Feed layout an internal tag so it will create a new top state.*/
ET_lo_DoDocWrite(cx, context, stream, nscp_open_tag,
sizeof nscp_open_tag - 1, 0);
}
if (is_text_html || !XP_STRCMP(mime_type, TEXT_PLAIN)) {
doc_cache_converter(cx, decoder, url_struct,
wysiwyg_url, doc->layer_id);
}
/* Auto-generate a BASE HREF= tag for generated HTML documents. */
if (is_text_html) {
tag = LM_GetBaseHrefTag(cx, principals);
if (!tag)
goto bad;
(void) doc_write_stream(cx, decoder, stream, tag, XP_STRLEN(tag));
XP_FREE(tag);
}
}
else {
if (lm_SetLayerSourceURL(decoder, doc->layer_id, wysiwyg_url)) {
if ((is_text_html || !XP_STRCMP(mime_type, TEXT_PLAIN)) &&
!doc_cache_converter(cx, decoder, url_struct,
wysiwyg_url, doc->layer_id)) {
lm_SetLayerSourceURL(decoder, doc->layer_id, NULL);
}
}
}
/* Drop our ref on url_struct -- decoder holds its own. */
NET_DropURLStruct(url_struct);
XP_FREE(wysiwyg_url);
return stream;
bad:
decoder->writing_input = JS_FALSE;
decoder->free_stream_on_close = JS_FALSE;
decoder->stream = 0;
decoder->stream_owner = LO_DOCUMENT_LAYER_ID;
decoder->url_struct = 0;
if (stream) {
(*stream->abort)(stream, MK_UNABLE_TO_CONVERT);
XP_DELETE(stream);
}
NET_FreeURLStruct(url_struct);
if (cached_url)
NET_FreeURLStruct(cached_url);
XP_FREE(wysiwyg_url);
return NULL;
}
static JSBool
doc_stream_active(MochaDecoder *decoder)
{
MWContext *context;
lo_TopState *top_state;
if (!decoder->writing_input)
return JS_TRUE;
context = decoder->window_context;
if (context) {
LO_LockLayout();
top_state = lo_GetMochaTopState(context);
if (top_state && top_state->input_write_level) {
LO_UnlockLayout();
return JS_TRUE;
}
LO_UnlockLayout();
}
return JS_FALSE;
}
/* XXX shared from lm_win.c for compatibility hack */
extern JSBool PR_CALLBACK
win_open(JSContext *cx, JSObject *obj, uint argc, jsval *argv, jsval *rval);
PR_STATIC_CALLBACK(JSBool)
doc_open(JSContext *cx, JSObject *obj, uint argc, jsval *argv, jsval *rval)
{
JSDocument *doc;
MochaDecoder *decoder;
JSString *str, *str2;
const char *mime_type, *options;
JSBool replace;
NET_StreamClass *stream;
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_TRUE;
decoder = doc->decoder;
if (argc > 2 || argv[0] == JS_GetEmptyStringValue(cx)) {
/* XXX hideous compatibility hack to call window.open */
return win_open(cx, decoder->window_object, argc, argv, rval);
}
str = str2 = 0;
mime_type = TEXT_HTML;
replace = JS_FALSE;
if (argc >= 1) {
if (!(str = JS_ValueToString(cx, argv[0])))
return JS_FALSE;
mime_type = JS_GetStringBytes(str);
if (argc >= 2) {
if (!(str2 = JS_ValueToString(cx, argv[1])))
return JS_FALSE;
options = JS_GetStringBytes(str2);
replace = (JSBool)(!XP_STRCASECMP(options, "replace"));
}
}
stream = decoder->stream;
if (stream) {
if (doc_stream_active(decoder)) {
/* Don't close a stream being fed by netlib. */
*rval = JSVAL_NULL;
return JS_TRUE;
}
lm_ClearDecoderStream(decoder, JS_FALSE);
}
stream = doc_open_stream(cx, decoder, obj, mime_type, replace);
if (!stream)
return JS_FALSE;
*rval = OBJECT_TO_JSVAL(doc->object);
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
doc_close(JSContext *cx, JSObject *obj, uint argc, jsval *argv, jsval *rval)
{
JSDocument *doc;
MochaDecoder *decoder;
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_TRUE;
decoder = doc->decoder;
if (!decoder->stream || doc_stream_active(decoder)) {
/* Don't close a closed stream, or a stream being fed by netlib. */
*rval = JSVAL_FALSE;
return JS_TRUE;
}
lm_ClearDecoderStream(decoder, JS_FALSE);
*rval = JSVAL_TRUE;
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
doc_clear(JSContext *cx, JSObject *obj, uint argc, jsval *argv, jsval *rval)
{
JSDocument *doc;
MochaDecoder *decoder;
MWContext *context;
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_TRUE;
decoder = doc->decoder;
context = decoder->window_context;
if (!context)
return JS_TRUE;
if (!doc_close(cx, obj, argc, argv, rval))
return JS_FALSE;
/* XXX need to open and push a tag through layout? */
ET_PostClearView(context);
return JS_TRUE;
}
static NET_StreamClass *
doc_get_stream(JSContext *cx, MochaDecoder *decoder, JSObject *doc_obj)
{
NET_StreamClass *stream;
JSDocument *doc;
doc = JS_GetPrivate(cx, doc_obj);
if (!doc)
return NULL;
stream = decoder->stream;
if (!stream) {
stream = doc_open_stream(cx, decoder, doc_obj, TEXT_HTML, JS_FALSE);
/*
* If, at document load time, we're trying to get a stream to a layer
* that isn't the currently loading layer, then disallow it.
*/
} else if (doc->layer_id != decoder->active_layer_id &&
!decoder->load_event_sent) {
return NULL;
/*
* If we're writing to the main document or before the main document
* has completely loaded, make sure that we do all the wysiwyg
* nonsense.
*/
} else if (doc->layer_id == LO_DOCUMENT_LAYER_ID ||
!decoder->load_event_sent) {
XP_ASSERT(decoder->url_struct);
if (decoder->url_struct && !decoder->url_struct->wysiwyg_url)
ET_moz_SetMochaWriteStream(decoder);
}
return stream;
}
static JSBool
do_doc_write(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, JSBool write_eol,
jsval *rval)
{
JSDocument *doc;
MochaDecoder *decoder;
MochaDecoder *running;
NET_StreamClass *stream;
uint i;
int status, total_len, len;
static char eol[] = "\n";
char * buf, * start;
JSString * str;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_TRUE;
if (PR_CurrentThread() == mozilla_thread)
return JS_FALSE;
decoder = doc->decoder;
stream = doc_get_stream(cx, decoder, obj);
if (!stream)
return JS_FALSE;
/* see how much space we need */
total_len = 0;
for (i = 0; i < argc; i++) {
if (JSVAL_IS_STRING(argv[i])) {
str = JSVAL_TO_STRING(argv[i]);
}
else {
str = JS_ValueToString(cx, argv[i]);
if (!str)
return JS_FALSE;
argv[i] = STRING_TO_JSVAL(str);
}
total_len += JS_GetStringLength(str);
}
/* see if we need to allocate space for the end of line */
if (write_eol)
total_len += XP_STRLEN(eol);
start = buf = XP_ALLOC((total_len + 1) * sizeof(char));
if (!buf)
return JS_FALSE;
buf[0] = '\0';
/* cache these so we don't need to look up each iteration */
running = JS_GetPrivate(cx, JS_GetGlobalObject(cx));
/* build the string for whatever is on the other end of the stream */
for (i = 0; i < argc; i++) {
str = JSVAL_TO_STRING(argv[i]);
len = JS_GetStringLength(str);
/*
* JSStrings can contain NUL, not sure how well layout will
* deal with that but pass them along in case they're going
* to the imglib.
*/
/* XXXunicode */
memcpy(buf, JS_GetStringBytes(str), len);
buf += len;
}
/* generate a new line */
if (write_eol)
XP_STRCPY(buf, eol);
else
*buf = '\0';
if (lm_writing_context == NULL)
lm_writing_context = cx;
writing_context_counter++;
/* if we made it to here we must have a valid string */
status = ET_lo_DoDocWrite(cx, decoder->window_context, stream, start,
total_len, decoder->doc_id);
if (--writing_context_counter == 0)
lm_writing_context = NULL;
XP_FREE(start);
if (status < 0) {
*rval = JSVAL_FALSE;
return JS_TRUE;
}
if (!decoder->document && !lm_InitWindowContent(decoder))
return JS_FALSE;
*rval = JSVAL_TRUE;
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
doc_write(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
return do_doc_write(cx, obj, argc, argv, JS_FALSE, rval);
}
PR_STATIC_CALLBACK(JSBool)
doc_writeln(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
return do_doc_write(cx, obj, argc, argv, JS_TRUE, rval);
}
PR_STATIC_CALLBACK(JSBool)
doc_capture_events(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
JSDocument *doc;
MochaDecoder *decoder;
jsdouble d;
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_FALSE;
decoder=doc->decoder;
if (!decoder->window_context)
return JS_TRUE;
if (argc != 1)
return JS_TRUE;
if (!JS_ValueToNumber(cx, argv[0], &d))
return JS_FALSE;
doc->capturer.event_bit |= (uint32)d;
decoder->window_context->event_bit |= (uint32)d;
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
doc_release_events(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
JSDocument *doc;
JSEventCapturer *cap;
MochaDecoder *decoder;
jsdouble d;
jsint layer_index;
jsint max_layer_num;
JSObject *cap_obj;
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_FALSE;
decoder=doc->decoder;
if (!decoder->window_context)
return JS_TRUE;
if (argc != 1)
return JS_TRUE;
if (!JS_ValueToNumber(cx, argv[0], &d))
return JS_FALSE;
doc->capturer.event_bit &= ~(uint32)d;
decoder->window_context->event_bit &= ~(uint32)d;
/*Now we have to see if anyone else wanted that bit set. Joy!*/
/*First we check versus window */
decoder->window_context->event_bit |= decoder->event_bit;
/*Now we check versus layers */
max_layer_num = LO_GetNumberOfLayers(decoder->window_context);
for (layer_index=0; layer_index <= max_layer_num; layer_index++) {
cap_obj = LO_GetLayerMochaObjectFromId(decoder->window_context, layer_index);
if (cap_obj && (cap = JS_GetPrivate(cx, cap_obj)) != NULL)
decoder->window_context->event_bit |= cap->event_bit;
cap_obj = lm_GetDocumentFromLayerId(decoder, layer_index);
if (cap_obj && (cap = JS_GetPrivate(cx, cap_obj)) != NULL)
decoder->window_context->event_bit |= cap->event_bit;
}
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
doc_get_selection(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
JSDocument *doc;
MWContext *context;
JSString *str;
char *text;
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_FALSE;
context = doc->decoder->window_context;
text = ET_PostGetSelectedText(context);
str = lm_LocalEncodingToStr(context, text);
XP_FREE(text);
if (!str)
return JS_FALSE;
*rval = STRING_TO_JSVAL(str);
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
doc_get_object_at(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
JSDocument *doc;
MochaDecoder *decoder;
LO_Element *pElement;
CL_Layer *layer;
JSObject *xy_obj = 0;
LO_AnchorData *anchor;
int32 x, y;
int16 type;
if (!JS_InstanceOf(cx, obj, &lm_document_class, argv))
return JS_FALSE;
doc = JS_GetPrivate(cx, obj);
if (!doc)
return JS_FALSE;
decoder = doc->decoder;
if (argc != 2) {
JS_ReportError(cx, lm_argc_err_str);
return JS_FALSE;
}
if (!decoder->window_context)
return JS_TRUE;
if (!JS_ValueToInt32(cx, argv[0], &x) || !JS_ValueToInt32(cx, argv[1], &y))
return JS_FALSE;
layer = LO_GetLayerFromId(decoder->window_context, doc->layer_id);
LO_LockLayout();
pElement = LO_XYToElement(decoder->window_context, x, y, layer);
type = pElement ? pElement->type : LO_NONE;
switch (type) {
case LO_TEXT:
anchor = pElement->lo_text.anchor_href;
if (!anchor)
*rval = JSVAL_VOID;
else
*rval = OBJECT_TO_JSVAL(anchor->mocha_object);
break;
case LO_IMAGE:
anchor = pElement->lo_image.anchor_href;
if (!anchor)
*rval = OBJECT_TO_JSVAL(pElement->lo_image.mocha_object);
else
*rval = OBJECT_TO_JSVAL(anchor->mocha_object);
break;
case LO_FORM_ELE:
*rval = OBJECT_TO_JSVAL(pElement->lo_form.mocha_object);
break;
default:
*rval = OBJECT_TO_JSVAL(obj);
break;
}
LO_UnlockLayout();
return JS_TRUE;
}
static JSFunctionSpec doc_methods[] = {
{"clear", doc_clear, 0},
{"close", doc_close, 0},
{"open", doc_open, 1},
{lm_toString_str, doc_toString, 0},
{"write", doc_write, 0},
{"writeln", doc_writeln, 0},
{"captureEvents", doc_capture_events, 1},
{"releaseEvents", doc_release_events, 1},
{"getSelection", doc_get_selection, 0},
{"getObjectAt", doc_get_object_at, 0},
{0}
};
JSObject *
lm_DefineDocument(MochaDecoder *decoder, int32 layer_id)
{
JSObject *obj;
JSContext *cx;
JSDocument *doc;
JSObject *parent;
cx = decoder->js_context;
doc = JS_malloc(cx, sizeof *doc);
if (!doc)
return NULL;
XP_BZERO(doc, sizeof *doc);
obj = lm_GetDocumentFromLayerId(decoder, layer_id);
if (obj)
return obj;
if (layer_id == LO_DOCUMENT_LAYER_ID) {
parent = decoder->window_object;
} else {
parent =
(JSObject *)LO_GetLayerMochaObjectFromId(decoder->window_context,
layer_id);
if (!parent)
parent = decoder->window_object;
}
obj = JS_DefineObject(cx, parent, lm_document_str, &lm_document_class,
decoder->document_prototype,
JSPROP_ENUMERATE|JSPROP_READONLY);
if (!obj || !JS_SetPrivate(cx, obj, doc)) {
JS_free(cx, doc);
return NULL;
}
if (!JS_AddNamedRoot(cx, &doc->forms, lm_forms_str) ||
!JS_AddNamedRoot(cx, &doc->links, lm_links_str) ||
!JS_AddNamedRoot(cx, &doc->anchors, lm_anchors_str) ||
!JS_AddNamedRoot(cx, &doc->applets, lm_applets_str) ||
!JS_AddNamedRoot(cx, &doc->embeds, lm_embeds_str) ||
!JS_AddNamedRoot(cx, &doc->images, lm_images_str) ||
!JS_AddNamedRoot(cx, &doc->layers, lm_layers_str)) {
/* doc_finalize will clean up the rest. */
return NULL;
}
doc->object = obj;
doc->decoder = HOLD_BACK_COUNT(decoder);
doc->layer_id = layer_id;
if (layer_id == LO_DOCUMENT_LAYER_ID) {
decoder->document = obj;
XP_ASSERT(decoder->window_context);
decoder->doc_id = XP_DOCID(decoder->window_context);
}
return obj;
}
JSBool
lm_InitDocumentClass(MochaDecoder *decoder)
{
JSContext *cx;
JSObject *prototype;
cx = decoder->js_context;
prototype = JS_InitClass(cx, decoder->window_object,
decoder->event_capturer_prototype,
&lm_document_class, Document, 0,
doc_props, doc_methods, NULL, NULL);
if (!prototype)
return JS_FALSE;
decoder->document_prototype = prototype;
return JS_TRUE;
}
JSObject *
lm_GetDocumentFromLayerId(MochaDecoder *decoder, int32 layer_id)
{
JSObject *layer_obj;
JSBool ok;
jsval val;
JSObject *rv;
LO_LockLayout();
if (layer_id == LO_DOCUMENT_LAYER_ID)
rv = decoder->document;
else {
layer_obj = LO_GetLayerMochaObjectFromId(decoder->window_context,
layer_id);
if (!layer_obj) {
LO_UnlockLayout();
return NULL;
}
ok = JS_LookupProperty(decoder->js_context, layer_obj,
lm_document_str, &val);
if (!ok) {
LO_UnlockLayout();
return NULL;
}
rv = JSVAL_IS_OBJECT(val) ? JSVAL_TO_OBJECT(val) : NULL;
}
LO_UnlockLayout();
return rv;
}
/* Clears out object references from the doc private data */
void
lm_CleanUpDocumentRoots(MochaDecoder *decoder, JSObject *obj)
{
JSDocument *doc;
doc = JS_GetPrivate(decoder->js_context, obj);
if (!doc)
return;
doc->forms = NULL;
doc->links = NULL;
doc->anchors = NULL;
doc->applets = NULL;
doc->embeds = NULL;
doc->images = NULL;
doc->layers = NULL;
}
/*
* Called when the content associated with a document is destroyed,
* but the document itself may not be. Cleans out object references
* from doc private data (so that the objects can be collected). Also
* deals with correctly relinquishing event capture.
*/
void
lm_CleanUpDocument(MochaDecoder *decoder, JSObject *obj)
{
JSDocument *doc;
MWContext *context;
jsint layer_index, max_layer_num;
JSObject *cap_obj;
JSEventCapturer *cap;
lm_CleanUpDocumentRoots(decoder, obj);
doc = JS_GetPrivate(decoder->js_context, obj);
if (!doc)
return;
doc->capturer.event_bit = 0;
context = decoder->window_context;
if (!context)
return;
context->event_bit = 0;
/* Now we have to see who still wants events */
/* First we check versus window */
context->event_bit |= decoder->event_bit;
/*Now we check versus layers */
max_layer_num = LO_GetNumberOfLayers(context);
for (layer_index=0; layer_index <= max_layer_num; layer_index++) {
if (doc->layer_id == layer_index)
continue;
cap_obj = LO_GetLayerMochaObjectFromId(decoder->window_context, layer_index);
if (cap_obj && (cap = JS_GetPrivate(decoder->js_context, cap_obj)) != NULL)
context->event_bit |= cap->event_bit;
cap_obj = lm_GetDocumentFromLayerId(decoder, layer_index);
if (cap_obj && (cap = JS_GetPrivate(decoder->js_context, cap_obj)) != NULL)
context->event_bit |= cap->event_bit;
}
}
/*
* This routine needs to be callable from either the mocha or
* the mozilla threads. The call to lm_FreeWindowContent()
* may be problematic since its going to try to post
* clearTimeout() messages back to the mozilla thread if any
* are pending.
*/
void
LM_ReleaseDocument(MWContext *context, JSBool resize_reload)
{
MochaDecoder *decoder;
JSContext *cx;
if (resize_reload)
return;
/* Be defensive about JS-unaware contexts. */
cx = context->mocha_context;
if (!cx)
return;
/* Hold the context's decoder rather than calling LM_GetMochaDecoder. */
decoder = JS_GetPrivate(cx, JS_GetGlobalObject(cx));
decoder->forw_count++;
/* Turn of the capture bits for the window and context */
decoder->event_bit = 0;
decoder->window_context->event_bit = 0;
/* Set first language version back to unknown for the next document */
decoder->firstVersion = JSVERSION_UNKNOWN;
if (decoder->principals) {
/* Drop reference to JSPrincipals object */
JSPRINCIPALS_DROP(cx, decoder->principals);
decoder->principals = NULL;
}
/* Free any anonymous images. */
if (decoder->image_context)
ET_PostFreeAnonImages(context, decoder->image_context);
/* Free all the HTML-based objects and properties. */
lm_FreeWindowContent(decoder, JS_TRUE);
JS_GC(cx);
LM_PutMochaDecoder(decoder);
}
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