Sweden-Number/dlls/mshtml/script.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 "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "activscp.h"
#include "wine/debug.h"
#include "mshtml_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
static const CLSID CLSID_JScript =
{0xf414c260,0x6ac0,0x11cf,{0xb6,0xd1,0x00,0xaa,0x00,0xbb,0xbb,0x58}};
typedef struct {
const IActiveScriptSiteVtbl *lpActiveScriptSiteVtbl;
LONG ref;
IActiveScript *script;
HTMLDocument *doc;
GUID guid;
struct list entry;
} ScriptHost;
#define ACTSCPSITE(x) ((IActiveScriptSite*) &(x)->lpActiveScriptSiteVtbl)
#define ACTSCPSITE_THIS(iface) DEFINE_THIS(ScriptHost, ActiveScriptSite, iface)
static HRESULT WINAPI ActiveScriptSite_QueryInterface(IActiveScriptSite *iface, REFIID riid, void **ppv)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
*ppv = NULL;
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
*ppv = ACTSCPSITE(This);
}else if(IsEqualGUID(&IID_IActiveScriptSite, riid)) {
TRACE("(%p)->(IID_IActiveScriptSite %p)\n", This, ppv);
*ppv = ACTSCPSITE(This);
}else {
FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI ActiveScriptSite_AddRef(IActiveScriptSite *iface)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI ActiveScriptSite_Release(IActiveScriptSite *iface)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
if(This->doc)
list_remove(&This->entry);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI ActiveScriptSite_GetLCID(IActiveScriptSite *iface, LCID *plcid)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
FIXME("(%p)->(%p)\n", This, plcid);
return E_NOTIMPL;
}
static HRESULT WINAPI ActiveScriptSite_GetItemInfo(IActiveScriptSite *iface, LPCOLESTR pstrName,
DWORD dwReturnMask, IUnknown **ppiunkItem, ITypeInfo **ppti)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
FIXME("(%p)->(%s %x %p %p)\n", This, debugstr_w(pstrName), dwReturnMask, ppiunkItem, ppti);
return E_NOTIMPL;
}
static HRESULT WINAPI ActiveScriptSite_GetDocVersionString(IActiveScriptSite *iface, BSTR *pbstrVersion)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
FIXME("(%p)->(%p)\n", This, pbstrVersion);
return E_NOTIMPL;
}
static HRESULT WINAPI ActiveScriptSite_OnScriptTerminate(IActiveScriptSite *iface,
const VARIANT *pvarResult, const EXCEPINFO *pexcepinfo)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
FIXME("(%p)->(%p %p)\n", This, pvarResult, pexcepinfo);
return E_NOTIMPL;
}
static HRESULT WINAPI ActiveScriptSite_OnStateChange(IActiveScriptSite *iface, SCRIPTSTATE ssScriptState)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
FIXME("(%p)->(%x)\n", This, ssScriptState);
return E_NOTIMPL;
}
static HRESULT WINAPI ActiveScriptSite_OnScriptError(IActiveScriptSite *iface, IActiveScriptError *pscripterror)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
FIXME("(%p)->(%p)\n", This, pscripterror);
return E_NOTIMPL;
}
static HRESULT WINAPI ActiveScriptSite_OnEnterScript(IActiveScriptSite *iface)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
FIXME("(%p)->()\n", This);
return E_NOTIMPL;
}
static HRESULT WINAPI ActiveScriptSite_OnLeaveScript(IActiveScriptSite *iface)
{
ScriptHost *This = ACTSCPSITE_THIS(iface);
FIXME("(%p)->()\n", This);
return E_NOTIMPL;
}
#undef ACTSCPSITE_THIS
static const IActiveScriptSiteVtbl ActiveScriptSiteVtbl = {
ActiveScriptSite_QueryInterface,
ActiveScriptSite_AddRef,
ActiveScriptSite_Release,
ActiveScriptSite_GetLCID,
ActiveScriptSite_GetItemInfo,
ActiveScriptSite_GetDocVersionString,
ActiveScriptSite_OnScriptTerminate,
ActiveScriptSite_OnStateChange,
ActiveScriptSite_OnScriptError,
ActiveScriptSite_OnEnterScript,
ActiveScriptSite_OnLeaveScript
};
static ScriptHost *create_script_host(HTMLDocument *doc, GUID *guid)
{
ScriptHost *ret;
HRESULT hres;
ret = heap_alloc_zero(sizeof(*ret));
ret->lpActiveScriptSiteVtbl = &ActiveScriptSiteVtbl;
ret->ref = 1;
ret->doc = doc;
ret->guid = *guid;
list_add_tail(&doc->script_hosts, &ret->entry);
hres = CoCreateInstance(&ret->guid, NULL, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER,
&IID_IActiveScript, (void**)&ret->script);
if(FAILED(hres))
WARN("Could not load script engine: %08x\n", hres);
return ret;
}
static BOOL get_guid_from_type(LPCWSTR type, GUID *guid)
{
const WCHAR text_javascriptW[] =
{'t','e','x','t','/','j','a','v','a','s','c','r','i','p','t',0};
/* FIXME: Handle more types */
if(!strcmpW(type, text_javascriptW)) {
*guid = CLSID_JScript;
}else {
FIXME("Unknown type %s\n", debugstr_w(type));
return FALSE;
}
return TRUE;
}
static BOOL get_guid_from_language(LPCWSTR type, GUID *guid)
{
HRESULT hres;
hres = CLSIDFromProgID(type, guid);
if(FAILED(hres))
return FALSE;
/* FIXME: Check CATID_ActiveScriptParse */
return TRUE;
}
static BOOL get_script_guid(nsIDOMHTMLScriptElement *nsscript, GUID *guid)
{
nsAString attr_str, val_str;
BOOL ret = FALSE;
nsresult nsres;
static const PRUnichar languageW[] = {'l','a','n','g','u','a','g','e',0};
nsAString_Init(&val_str, NULL);
nsres = nsIDOMHTMLScriptElement_GetType(nsscript, &val_str);
if(NS_SUCCEEDED(nsres)) {
const PRUnichar *type;
nsAString_GetData(&val_str, &type);
if(*type) {
ret = get_guid_from_type(type, guid);
nsAString_Finish(&val_str);
return ret;
}
}else {
ERR("GetType failed: %08x\n", nsres);
}
nsAString_Init(&attr_str, languageW);
nsres = nsIDOMHTMLScriptElement_GetAttribute(nsscript, &attr_str, &val_str);
if(NS_SUCCEEDED(nsres)) {
const PRUnichar *language;
nsAString_GetData(&val_str, &language);
if(*language) {
ret = get_guid_from_language(language, guid);
}else {
*guid = CLSID_JScript;
ret = TRUE;
}
}else {
ERR("GetAttribute(language) failed: %08x\n", nsres);
}
nsAString_Finish(&attr_str);
nsAString_Finish(&val_str);
return ret;
}
static ScriptHost *get_script_host(HTMLDocument *doc, nsIDOMHTMLScriptElement *nsscript)
{
ScriptHost *iter;
GUID guid;
if(!get_script_guid(nsscript, &guid)) {
WARN("Could not find script GUID\n");
return NULL;
}
if(IsEqualGUID(&CLSID_JScript, &guid)) {
FIXME("Ignoring JScript\n");
return NULL;
}
LIST_FOR_EACH_ENTRY(iter, &doc->script_hosts, ScriptHost, entry) {
if(IsEqualGUID(&guid, &iter->guid))
return iter;
}
return create_script_host(doc, &guid);
}
void doc_insert_script(HTMLDocument *doc, nsIDOMHTMLScriptElement *nsscript)
{
get_script_host(doc, nsscript);
}
void release_script_hosts(HTMLDocument *doc)
{
ScriptHost *iter;
LIST_FOR_EACH_ENTRY(iter, &doc->script_hosts, ScriptHost, entry) {
iter->doc = NULL;
IActiveScriptSite_Release(ACTSCPSITE(iter));
}
}