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Sweden-Number/dlls/mshtml/mutation.c

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/*
* Copyright 2008 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <assert.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winreg.h"
#include "ole2.h"
#include "shlguid.h"
#include "wininet.h"
#include "mshtml_private.h"
#include "htmlscript.h"
#include "htmlevent.h"
#include "binding.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
const compat_mode_info_t compat_mode_info[] = {
{ 5, 7 }, /* DOCMODE_QUIRKS */
{ 5, 5 }, /* DOCMODE_IE5 */
{ 7, 7 }, /* DOCMODE_IE7 */
{ 8, 8 }, /* DOCMODE_IE8 */
{ 9, 9 }, /* DOCMODE_IE8 */
{ 10, 10 }, /* DOCMODE_IE10 */
{ 11, 11 } /* DOCMODE_IE11 */
};
static const IID NS_ICONTENTUTILS_CID =
{0x762C4AE7,0xB923,0x422F,{0xB9,0x7E,0xB9,0xBF,0xC1,0xEF,0x7B,0xF0}};
static nsIContentUtils *content_utils;
static PRUnichar *handle_insert_comment(HTMLDocumentNode *doc, const PRUnichar *comment)
{
unsigned majorv = 0, minorv = 0, compat_version;
const PRUnichar *ptr, *end;
PRUnichar *buf;
DWORD len;
enum {
CMP_EQ,
CMP_LT,
CMP_LTE,
CMP_GT,
CMP_GTE
} cmpt = CMP_EQ;
static const PRUnichar endifW[] = {'<','!','[','e','n','d','i','f',']'};
if(comment[0] != '[' || comment[1] != 'i' || comment[2] != 'f')
return NULL;
ptr = comment+3;
while(iswspace(*ptr))
ptr++;
if(ptr[0] == 'l' && ptr[1] == 't') {
ptr += 2;
if(*ptr == 'e') {
cmpt = CMP_LTE;
ptr++;
}else {
cmpt = CMP_LT;
}
}else if(ptr[0] == 'g' && ptr[1] == 't') {
ptr += 2;
if(*ptr == 'e') {
cmpt = CMP_GTE;
ptr++;
}else {
cmpt = CMP_GT;
}
}
if(!iswspace(*ptr++))
return NULL;
while(iswspace(*ptr))
ptr++;
if(ptr[0] != 'I' || ptr[1] != 'E')
return NULL;
ptr +=2;
if(!iswspace(*ptr++))
return NULL;
while(iswspace(*ptr))
ptr++;
if(!is_digit(*ptr))
return NULL;
while(is_digit(*ptr))
majorv = majorv*10 + (*ptr++ - '0');
if(*ptr == '.') {
ptr++;
if(!is_digit(*ptr))
return NULL;
while(is_digit(*ptr))
minorv = minorv*10 + (*ptr++ - '0');
}
while(iswspace(*ptr))
ptr++;
if(ptr[0] != ']' || ptr[1] != '>')
return NULL;
ptr += 2;
len = lstrlenW(ptr);
if(len < ARRAY_SIZE(endifW))
return NULL;
end = ptr + len - ARRAY_SIZE(endifW);
if(memcmp(end, endifW, sizeof(endifW)))
return NULL;
compat_version = compat_mode_info[doc->document_mode].ie_version;
switch(cmpt) {
case CMP_EQ:
if(compat_version == majorv && !minorv)
break;
return NULL;
case CMP_LT:
if(compat_version < majorv || (compat_version == majorv && minorv))
break;
return NULL;
case CMP_LTE:
if(compat_version <= majorv)
break;
return NULL;
case CMP_GT:
if(compat_version > majorv)
break;
return NULL;
case CMP_GTE:
if(compat_version >= majorv || (compat_version == majorv && !minorv))
break;
return NULL;
}
buf = heap_alloc((end-ptr+1)*sizeof(WCHAR));
if(!buf)
return NULL;
memcpy(buf, ptr, (end-ptr)*sizeof(WCHAR));
buf[end-ptr] = 0;
return buf;
}
static nsresult run_insert_comment(HTMLDocumentNode *doc, nsISupports *comment_iface, nsISupports *arg2)
{
const PRUnichar *comment;
nsIDOMComment *nscomment;
PRUnichar *replace_html;
nsAString comment_str;
nsresult nsres;
nsres = nsISupports_QueryInterface(comment_iface, &IID_nsIDOMComment, (void**)&nscomment);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMComment iface:%08x\n", nsres);
return nsres;
}
nsAString_Init(&comment_str, NULL);
nsres = nsIDOMComment_GetData(nscomment, &comment_str);
if(NS_FAILED(nsres))
return nsres;
nsAString_GetData(&comment_str, &comment);
replace_html = handle_insert_comment(doc, comment);
nsAString_Finish(&comment_str);
if(replace_html) {
HRESULT hres;
hres = replace_node_by_html(doc->nsdoc, (nsIDOMNode*)nscomment, replace_html);
heap_free(replace_html);
if(FAILED(hres))
nsres = NS_ERROR_FAILURE;
}
nsIDOMComment_Release(nscomment);
return nsres;
}
static nsresult run_bind_to_tree(HTMLDocumentNode *doc, nsISupports *nsiface, nsISupports *arg2)
{
nsIDOMNode *nsnode;
HTMLDOMNode *node;
nsresult nsres;
HRESULT hres;
TRACE("(%p)->(%p)\n", doc, nsiface);
nsres = nsISupports_QueryInterface(nsiface, &IID_nsIDOMNode, (void**)&nsnode);
if(NS_FAILED(nsres))
return nsres;
hres = get_node(nsnode, TRUE, &node);
nsIDOMNode_Release(nsnode);
if(FAILED(hres)) {
ERR("Could not get node\n");
return nsres;
}
if(node->vtbl->bind_to_tree)
node->vtbl->bind_to_tree(node);
node_release(node);
return nsres;
}
/* Calls undocumented 69 cmd of CGID_Explorer */
static void call_explorer_69(HTMLDocumentObj *doc)
{
IOleCommandTarget *olecmd;
VARIANT var;
HRESULT hres;
if(!doc->client)
return;
hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
if(FAILED(hres))
return;
VariantInit(&var);
hres = IOleCommandTarget_Exec(olecmd, &CGID_Explorer, 69, 0, NULL, &var);
IOleCommandTarget_Release(olecmd);
if(SUCCEEDED(hres) && V_VT(&var) != VT_NULL)
FIXME("handle result\n");
}
static void parse_complete(HTMLDocumentObj *doc)
{
TRACE("(%p)\n", doc);
if(doc->nscontainer->usermode == EDITMODE)
init_editor(doc->basedoc.doc_node);
call_explorer_69(doc);
if(doc->view_sink)
IAdviseSink_OnViewChange(doc->view_sink, DVASPECT_CONTENT, -1);
call_property_onchanged(&doc->basedoc.cp_container, 1005);
call_explorer_69(doc);
if(doc->webbrowser && doc->nscontainer->usermode != EDITMODE && !(doc->basedoc.window->load_flags & BINDING_REFRESH))
IDocObjectService_FireNavigateComplete2(doc->doc_object_service, &doc->basedoc.window->base.IHTMLWindow2_iface, 0);
/* FIXME: IE7 calls EnableModelless(TRUE), EnableModelless(FALSE) and sets interactive state here */
}
static nsresult run_end_load(HTMLDocumentNode *This, nsISupports *arg1, nsISupports *arg2)
{
TRACE("(%p)\n", This);
if(!This->basedoc.doc_obj)
return NS_OK;
if(This == This->basedoc.doc_obj->basedoc.doc_node) {
/*
* This should be done in the worker thread that parses HTML,
* but we don't have such thread (Gecko parses HTML for us).
*/
parse_complete(This->basedoc.doc_obj);
}
bind_event_scripts(This);
set_ready_state(This->basedoc.window, READYSTATE_INTERACTIVE);
return NS_OK;
}
static nsresult run_insert_script(HTMLDocumentNode *doc, nsISupports *script_iface, nsISupports *parser_iface)
{
nsIDOMHTMLScriptElement *nsscript;
HTMLScriptElement *script_elem;
nsIParser *nsparser = NULL;
script_queue_entry_t *iter;
HTMLInnerWindow *window;
nsresult nsres;
HRESULT hres;
TRACE("(%p)->(%p)\n", doc, script_iface);
window = doc->window;
if(!window)
return NS_OK;
nsres = nsISupports_QueryInterface(script_iface, &IID_nsIDOMHTMLScriptElement, (void**)&nsscript);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMHTMLScriptElement: %08x\n", nsres);
return nsres;
}
if(parser_iface) {
nsres = nsISupports_QueryInterface(parser_iface, &IID_nsIParser, (void**)&nsparser);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIParser iface: %08x\n", nsres);
nsparser = NULL;
}
}
hres = script_elem_from_nsscript(nsscript, &script_elem);
nsIDOMHTMLScriptElement_Release(nsscript);
if(FAILED(hres))
return NS_ERROR_FAILURE;
if(nsparser) {
nsIParser_BeginEvaluatingParserInsertedScript(nsparser);
window->parser_callback_cnt++;
}
IHTMLWindow2_AddRef(&window->base.IHTMLWindow2_iface);
doc_insert_script(window, script_elem, TRUE);
while(!list_empty(&window->script_queue)) {
iter = LIST_ENTRY(list_head(&window->script_queue), script_queue_entry_t, entry);
list_remove(&iter->entry);
if(!iter->script->parsed)
doc_insert_script(window, iter->script, TRUE);
IHTMLScriptElement_Release(&iter->script->IHTMLScriptElement_iface);
heap_free(iter);
}
IHTMLWindow2_Release(&window->base.IHTMLWindow2_iface);
if(nsparser) {
window->parser_callback_cnt--;
nsIParser_EndEvaluatingParserInsertedScript(nsparser);
nsIParser_Release(nsparser);
}
IHTMLScriptElement_Release(&script_elem->IHTMLScriptElement_iface);
return NS_OK;
}
/*
* We may change document mode only in early stage of document lifetime.
* Later attempts will not have an effect.
*/
compat_mode_t lock_document_mode(HTMLDocumentNode *doc)
{
TRACE("%p: %d\n", doc, doc->document_mode);
doc->document_mode_locked = TRUE;
return doc->document_mode;
}
static void set_document_mode(HTMLDocumentNode *doc, compat_mode_t document_mode, BOOL lock)
{
compat_mode_t max_compat_mode;
if(doc->document_mode_locked) {
WARN("attempting to set document mode %d on locked document %p\n", document_mode, doc);
return;
}
TRACE("%p: %d\n", doc, document_mode);
max_compat_mode = doc->window && doc->window->base.outer_window
? get_max_compat_mode(doc->window->base.outer_window->uri)
: COMPAT_MODE_IE11;
if(max_compat_mode < document_mode) {
WARN("Tried to set compat mode %u higher than maximal configured %u\n",
document_mode, max_compat_mode);
document_mode = max_compat_mode;
}
doc->document_mode = document_mode;
if(lock)
lock_document_mode(doc);
}
BOOL parse_compat_version(const WCHAR *version_string, compat_mode_t *r)
{
DWORD version = 0;
const WCHAR *p;
for(p = version_string; '0' <= *p && *p <= '9'; p++)
version = version * 10 + *p-'0';
if((*p && *p != ';') || p == version_string)
return FALSE;
switch(version){
case 5:
case 6:
*r = COMPAT_MODE_IE5;
break;
case 7:
*r = COMPAT_MODE_IE7;
break;
case 8:
*r = COMPAT_MODE_IE8;
break;
case 9:
*r = COMPAT_MODE_IE9;
break;
case 10:
*r = COMPAT_MODE_IE10;
break;
default:
*r = version < 5 ? COMPAT_MODE_QUIRKS : COMPAT_MODE_IE11;
}
return TRUE;
}
static BOOL parse_ua_compatible(const WCHAR *p, compat_mode_t *r)
{
static const WCHAR ie_eqW[] = {'I','E','='};
static const WCHAR edgeW[] = {'e','d','g','e'};
TRACE("%s\n", debugstr_w(p));
if(wcsnicmp(ie_eqW, p, ARRAY_SIZE(ie_eqW)))
return FALSE;
p += 3;
if(!wcsnicmp(p, edgeW, ARRAY_SIZE(edgeW))) {
p += ARRAY_SIZE(edgeW);
if(*p && *p != ';')
return FALSE;
*r = COMPAT_MODE_IE11;
return TRUE;
}
return parse_compat_version(p, r);
}
void process_document_response_headers(HTMLDocumentNode *doc, IBinding *binding)
{
IWinInetHttpInfo *http_info;
char buf[1024];
DWORD size;
HRESULT hres;
hres = IBinding_QueryInterface(binding, &IID_IWinInetHttpInfo, (void**)&http_info);
if(FAILED(hres)) {
TRACE("No IWinInetHttpInfo\n");
return;
}
size = sizeof(buf);
strcpy(buf, "X-UA-Compatible");
hres = IWinInetHttpInfo_QueryInfo(http_info, HTTP_QUERY_CUSTOM, buf, &size, NULL, NULL);
if(hres == S_OK && size) {
compat_mode_t document_mode;
WCHAR *header;
TRACE("size %u\n", size);
header = heap_strdupAtoW(buf);
if(header && parse_ua_compatible(header, &document_mode)) {
TRACE("setting document mode %d\n", document_mode);
set_document_mode(doc, document_mode, FALSE);
}
heap_free(header);
}
IWinInetHttpInfo_Release(http_info);
}
static void process_meta_element(HTMLDocumentNode *doc, nsIDOMHTMLMetaElement *meta_element)
{
nsAString http_equiv_str, content_str;
nsresult nsres;
nsAString_Init(&http_equiv_str, NULL);
nsAString_Init(&content_str, NULL);
nsres = nsIDOMHTMLMetaElement_GetHttpEquiv(meta_element, &http_equiv_str);
if(NS_SUCCEEDED(nsres))
nsres = nsIDOMHTMLMetaElement_GetContent(meta_element, &content_str);
if(NS_SUCCEEDED(nsres)) {
const PRUnichar *http_equiv, *content;
nsAString_GetData(&http_equiv_str, &http_equiv);
nsAString_GetData(&content_str, &content);
TRACE("%s: %s\n", debugstr_w(http_equiv), debugstr_w(content));
if(!wcsicmp(http_equiv, L"x-ua-compatible")) {
compat_mode_t document_mode;
if(parse_ua_compatible(content, &document_mode))
set_document_mode(doc, document_mode, TRUE);
else
FIXME("Unsupported document mode %s\n", debugstr_w(content));
}
}
nsAString_Finish(&http_equiv_str);
nsAString_Finish(&content_str);
}
typedef struct nsRunnable nsRunnable;
typedef nsresult (*runnable_proc_t)(HTMLDocumentNode*,nsISupports*,nsISupports*);
struct nsRunnable {
nsIRunnable nsIRunnable_iface;
LONG ref;
runnable_proc_t proc;
HTMLDocumentNode *doc;
nsISupports *arg1;
nsISupports *arg2;
};
static inline nsRunnable *impl_from_nsIRunnable(nsIRunnable *iface)
{
return CONTAINING_RECORD(iface, nsRunnable, nsIRunnable_iface);
}
static nsresult NSAPI nsRunnable_QueryInterface(nsIRunnable *iface,
nsIIDRef riid, void **result)
{
nsRunnable *This = impl_from_nsIRunnable(iface);
if(IsEqualGUID(riid, &IID_nsISupports)) {
TRACE("(%p)->(IID_nsISupports %p)\n", This, result);
*result = &This->nsIRunnable_iface;
}else if(IsEqualGUID(riid, &IID_nsIRunnable)) {
TRACE("(%p)->(IID_nsIRunnable %p)\n", This, result);
*result = &This->nsIRunnable_iface;
}else {
*result = NULL;
WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
return NS_NOINTERFACE;
}
nsISupports_AddRef((nsISupports*)*result);
return NS_OK;
}
static nsrefcnt NSAPI nsRunnable_AddRef(nsIRunnable *iface)
{
nsRunnable *This = impl_from_nsIRunnable(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static nsrefcnt NSAPI nsRunnable_Release(nsIRunnable *iface)
{
nsRunnable *This = impl_from_nsIRunnable(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
htmldoc_release(&This->doc->basedoc);
if(This->arg1)
nsISupports_Release(This->arg1);
if(This->arg2)
nsISupports_Release(This->arg2);
heap_free(This);
}
return ref;
}
static nsresult NSAPI nsRunnable_Run(nsIRunnable *iface)
{
nsRunnable *This = impl_from_nsIRunnable(iface);
return This->proc(This->doc, This->arg1, This->arg2);
}
static const nsIRunnableVtbl nsRunnableVtbl = {
nsRunnable_QueryInterface,
nsRunnable_AddRef,
nsRunnable_Release,
nsRunnable_Run
};
static void add_script_runner(HTMLDocumentNode *This, runnable_proc_t proc, nsISupports *arg1, nsISupports *arg2)
{
nsRunnable *runnable;
runnable = heap_alloc_zero(sizeof(*runnable));
if(!runnable)
return;
runnable->nsIRunnable_iface.lpVtbl = &nsRunnableVtbl;
runnable->ref = 1;
htmldoc_addref(&This->basedoc);
runnable->doc = This;
runnable->proc = proc;
if(arg1)
nsISupports_AddRef(arg1);
runnable->arg1 = arg1;
if(arg2)
nsISupports_AddRef(arg2);
runnable->arg2 = arg2;
nsIContentUtils_AddScriptRunner(content_utils, &runnable->nsIRunnable_iface);
nsIRunnable_Release(&runnable->nsIRunnable_iface);
}
static inline HTMLDocumentNode *impl_from_nsIDocumentObserver(nsIDocumentObserver *iface)
{
return CONTAINING_RECORD(iface, HTMLDocumentNode, nsIDocumentObserver_iface);
}
static nsresult NSAPI nsDocumentObserver_QueryInterface(nsIDocumentObserver *iface,
nsIIDRef riid, void **result)
{
HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
if(IsEqualGUID(&IID_nsISupports, riid)) {
TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
*result = &This->nsIDocumentObserver_iface;
}else if(IsEqualGUID(&IID_nsIMutationObserver, riid)) {
TRACE("(%p)->(IID_nsIMutationObserver %p)\n", This, result);
*result = &This->nsIDocumentObserver_iface;
}else if(IsEqualGUID(&IID_nsIDocumentObserver, riid)) {
TRACE("(%p)->(IID_nsIDocumentObserver %p)\n", This, result);
*result = &This->nsIDocumentObserver_iface;
}else {
*result = NULL;
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
return NS_NOINTERFACE;
}
htmldoc_addref(&This->basedoc);
return NS_OK;
}
static nsrefcnt NSAPI nsDocumentObserver_AddRef(nsIDocumentObserver *iface)
{
HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
return htmldoc_addref(&This->basedoc);
}
static nsrefcnt NSAPI nsDocumentObserver_Release(nsIDocumentObserver *iface)
{
HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
return htmldoc_release(&This->basedoc);
}
static void NSAPI nsDocumentObserver_CharacterDataWillChange(nsIDocumentObserver *iface,
nsIDocument *aDocument, nsIContent *aContent, void /*CharacterDataChangeInfo*/ *aInfo)
{
}
static void NSAPI nsDocumentObserver_CharacterDataChanged(nsIDocumentObserver *iface,
nsIDocument *aDocument, nsIContent *aContent, void /*CharacterDataChangeInfo*/ *aInfo)
{
}
static void NSAPI nsDocumentObserver_AttributeWillChange(nsIDocumentObserver *iface, nsIDocument *aDocument,
void *aElement, LONG aNameSpaceID, nsIAtom *aAttribute, LONG aModType, const nsAttrValue *aNewValue)
{
}
static void NSAPI nsDocumentObserver_AttributeChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
void *aElement, LONG aNameSpaceID, nsIAtom *aAttribute, LONG aModType, const nsAttrValue *aOldValue)
{
}
static void NSAPI nsDocumentObserver_NativeAnonymousChildListChange(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContent, cpp_bool aIsRemove)
{
}
static void NSAPI nsDocumentObserver_AttributeSetToCurrentValue(nsIDocumentObserver *iface, nsIDocument *aDocument,
void *aElement, LONG aNameSpaceID, nsIAtom *aAttribute)
{
}
static void NSAPI nsDocumentObserver_ContentAppended(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContainer, nsIContent *aFirstNewContent, LONG aNewIndexInContainer)
{
}
static void NSAPI nsDocumentObserver_ContentInserted(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContainer, nsIContent *aChild, LONG aIndexInContainer)
{
}
static void NSAPI nsDocumentObserver_ContentRemoved(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContainer, nsIContent *aChild, LONG aIndexInContainer,
nsIContent *aProviousSibling)
{
}
static void NSAPI nsDocumentObserver_NodeWillBeDestroyed(nsIDocumentObserver *iface, const nsINode *aNode)
{
}
static void NSAPI nsDocumentObserver_ParentChainChanged(nsIDocumentObserver *iface, nsIContent *aContent)
{
}
static void NSAPI nsDocumentObserver_BeginUpdate(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsUpdateType aUpdateType)
{
}
static void NSAPI nsDocumentObserver_EndUpdate(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsUpdateType aUpdateType)
{
}
static void NSAPI nsDocumentObserver_BeginLoad(nsIDocumentObserver *iface, nsIDocument *aDocument)
{
}
static void NSAPI nsDocumentObserver_EndLoad(nsIDocumentObserver *iface, nsIDocument *aDocument)
{
HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
TRACE("(%p)\n", This);
if(This->skip_mutation_notif)
return;
This->content_ready = TRUE;
add_script_runner(This, run_end_load, NULL, NULL);
}
static void NSAPI nsDocumentObserver_ContentStatesChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContent, EventStates aStateMask)
{
}
static void NSAPI nsDocumentObserver_DocumentStatesChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
EventStates aStateMask)
{
}
static void NSAPI nsDocumentObserver_StyleSheetAdded(nsIDocumentObserver *iface, mozilla_StyleSheetHandle aStyleSheet,
cpp_bool aDocumentSheet)
{
}
static void NSAPI nsDocumentObserver_StyleSheetRemoved(nsIDocumentObserver *iface, mozilla_StyleSheetHandle aStyleSheet,
cpp_bool aDocumentSheet)
{
}
static void NSAPI nsDocumentObserver_StyleSheetApplicableStateChanged(nsIDocumentObserver *iface,
mozilla_StyleSheetHandle aStyleSheet)
{
}
static void NSAPI nsDocumentObserver_StyleRuleChanged(nsIDocumentObserver *iface, mozilla_StyleSheetHandle aStyleSheet)
{
}
static void NSAPI nsDocumentObserver_StyleRuleAdded(nsIDocumentObserver *iface, mozilla_StyleSheetHandle aStyleSheet)
{
}
static void NSAPI nsDocumentObserver_StyleRuleRemoved(nsIDocumentObserver *iface, mozilla_StyleSheetHandle aStyleSheet)
{
}
static void NSAPI nsDocumentObserver_BindToDocument(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContent)
{
HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
nsIDOMHTMLIFrameElement *nsiframe;
nsIDOMHTMLFrameElement *nsframe;
nsIDOMHTMLScriptElement *nsscript;
nsIDOMHTMLMetaElement *nsmeta;
nsIDOMElement *nselem;
nsIDOMComment *nscomment;
nsresult nsres;
TRACE("(%p)->(%p %p)\n", This, aDocument, aContent);
if(This->document_mode < COMPAT_MODE_IE10) {
nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMComment, (void**)&nscomment);
if(NS_SUCCEEDED(nsres)) {
TRACE("comment node\n");
add_script_runner(This, run_insert_comment, (nsISupports*)nscomment, NULL);
nsIDOMComment_Release(nscomment);
return;
}
}
if(This->document_mode == COMPAT_MODE_QUIRKS) {
nsIDOMDocumentType *nsdoctype;
nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMDocumentType, (void**)&nsdoctype);
if(NS_SUCCEEDED(nsres)) {
compat_mode_t mode = COMPAT_MODE_IE7;
TRACE("doctype node\n");
if(This->window && This->window->base.outer_window) {
HTMLOuterWindow *window = This->window->base.outer_window;
DWORD zone;
HRESULT hres;
/*
* Internet URL zone is treated differently. Native defaults to latest supported
* mode. We default to IE8. Ideally, we'd sync that with version used for IE=edge
* X-UA-Compatible version, allow configuration and default to higher version
* (once it's well supported).
*/
hres = IInternetSecurityManager_MapUrlToZone(get_security_manager(), window->url, &zone, 0);
if(SUCCEEDED(hres) && zone == URLZONE_INTERNET)
mode = COMPAT_MODE_IE8;
}
set_document_mode(This, mode, FALSE);
nsIDOMDocumentType_Release(nsdoctype);
}
}
nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMElement, (void**)&nselem);
if(NS_FAILED(nsres))
return;
check_event_attr(This, nselem);
nsIDOMElement_Release(nselem);
nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLIFrameElement, (void**)&nsiframe);
if(NS_SUCCEEDED(nsres)) {
TRACE("iframe node\n");
add_script_runner(This, run_bind_to_tree, (nsISupports*)nsiframe, NULL);
nsIDOMHTMLIFrameElement_Release(nsiframe);
return;
}
nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLFrameElement, (void**)&nsframe);
if(NS_SUCCEEDED(nsres)) {
TRACE("frame node\n");
add_script_runner(This, run_bind_to_tree, (nsISupports*)nsframe, NULL);
nsIDOMHTMLFrameElement_Release(nsframe);
return;
}
nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLScriptElement, (void**)&nsscript);
if(NS_SUCCEEDED(nsres)) {
TRACE("script element\n");
add_script_runner(This, run_bind_to_tree, (nsISupports*)nsscript, NULL);
nsIDOMHTMLScriptElement_Release(nsscript);
return;
}
nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLMetaElement, (void**)&nsmeta);
if(NS_SUCCEEDED(nsres)) {
process_meta_element(This, nsmeta);
nsIDOMHTMLMetaElement_Release(nsmeta);
}
}
static void NSAPI nsDocumentObserver_AttemptToExecuteScript(nsIDocumentObserver *iface, nsIContent *aContent,
nsIParser *aParser, cpp_bool *aBlock)
{
HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
nsIDOMHTMLScriptElement *nsscript;
nsresult nsres;
TRACE("(%p)->(%p %p %p)\n", This, aContent, aParser, aBlock);
nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLScriptElement, (void**)&nsscript);
if(NS_SUCCEEDED(nsres)) {
TRACE("script node\n");
lock_document_mode(This);
add_script_runner(This, run_insert_script, (nsISupports*)nsscript, (nsISupports*)aParser);
nsIDOMHTMLScriptElement_Release(nsscript);
}
}
static const nsIDocumentObserverVtbl nsDocumentObserverVtbl = {
nsDocumentObserver_QueryInterface,
nsDocumentObserver_AddRef,
nsDocumentObserver_Release,
nsDocumentObserver_CharacterDataWillChange,
nsDocumentObserver_CharacterDataChanged,
nsDocumentObserver_AttributeWillChange,
nsDocumentObserver_AttributeChanged,
nsDocumentObserver_NativeAnonymousChildListChange,
nsDocumentObserver_AttributeSetToCurrentValue,
nsDocumentObserver_ContentAppended,
nsDocumentObserver_ContentInserted,
nsDocumentObserver_ContentRemoved,
nsDocumentObserver_NodeWillBeDestroyed,
nsDocumentObserver_ParentChainChanged,
nsDocumentObserver_BeginUpdate,
nsDocumentObserver_EndUpdate,
nsDocumentObserver_BeginLoad,
nsDocumentObserver_EndLoad,
nsDocumentObserver_ContentStatesChanged,
nsDocumentObserver_DocumentStatesChanged,
nsDocumentObserver_StyleSheetAdded,
nsDocumentObserver_StyleSheetRemoved,
nsDocumentObserver_StyleSheetApplicableStateChanged,
nsDocumentObserver_StyleRuleChanged,
nsDocumentObserver_StyleRuleAdded,
nsDocumentObserver_StyleRuleRemoved,
nsDocumentObserver_BindToDocument,
nsDocumentObserver_AttemptToExecuteScript
};
void init_document_mutation(HTMLDocumentNode *doc)
{
nsIDocument *nsdoc;
nsresult nsres;
doc->nsIDocumentObserver_iface.lpVtbl = &nsDocumentObserverVtbl;
nsres = nsIDOMHTMLDocument_QueryInterface(doc->nsdoc, &IID_nsIDocument, (void**)&nsdoc);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDocument: %08x\n", nsres);
return;
}
nsIContentUtils_AddDocumentObserver(content_utils, nsdoc, &doc->nsIDocumentObserver_iface);
nsIDocument_Release(nsdoc);
}
void release_document_mutation(HTMLDocumentNode *doc)
{
nsIDocument *nsdoc;
nsresult nsres;
nsres = nsIDOMHTMLDocument_QueryInterface(doc->nsdoc, &IID_nsIDocument, (void**)&nsdoc);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDocument: %08x\n", nsres);
return;
}
nsIContentUtils_RemoveDocumentObserver(content_utils, nsdoc, &doc->nsIDocumentObserver_iface);
nsIDocument_Release(nsdoc);
}
JSContext *get_context_from_document(nsIDOMHTMLDocument *nsdoc)
{
nsIDocument *doc;
JSContext *ctx;
nsresult nsres;
nsres = nsIDOMHTMLDocument_QueryInterface(nsdoc, &IID_nsIDocument, (void**)&doc);
assert(nsres == NS_OK);
ctx = nsIContentUtils_GetContextFromDocument(content_utils, doc);
nsIDocument_Release(doc);
TRACE("ret %p\n", ctx);
return ctx;
}
void init_mutation(nsIComponentManager *component_manager)
{
nsIFactory *factory;
nsresult nsres;
if(!component_manager) {
if(content_utils) {
nsIContentUtils_Release(content_utils);
content_utils = NULL;
}
return;
}
nsres = nsIComponentManager_GetClassObject(component_manager, &NS_ICONTENTUTILS_CID,
&IID_nsIFactory, (void**)&factory);
if(NS_FAILED(nsres)) {
ERR("Could not create nsIContentUtils service: %08x\n", nsres);
return;
}
nsres = nsIFactory_CreateInstance(factory, NULL, &IID_nsIContentUtils, (void**)&content_utils);
nsIFactory_Release(factory);
if(NS_FAILED(nsres))
ERR("Could not create nsIContentUtils instance: %08x\n", nsres);
}
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