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reactos/dll/win32/mshtml/htmlevent.c

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/*
* Copyright 2008-2009 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 "mshtml_private.h"
typedef struct {
IDispatch *handler_prop;
DWORD handler_cnt;
IDispatch *handlers[0];
} handler_vector_t;
struct event_target_t {
handler_vector_t *event_table[EVENTID_LAST];
};
static const WCHAR abortW[] = {'a','b','o','r','t',0};
static const WCHAR onabortW[] = {'o','n','a','b','o','r','t',0};
static const WCHAR beforeunloadW[] = {'b','e','f','o','r','e','u','n','l','o','a','d',0};
static const WCHAR onbeforeunloadW[] = {'o','n','b','e','f','o','r','e','u','n','l','o','a','d',0};
static const WCHAR blurW[] = {'b','l','u','r',0};
static const WCHAR onblurW[] = {'o','n','b','l','u','r',0};
static const WCHAR changeW[] = {'c','h','a','n','g','e',0};
static const WCHAR onchangeW[] = {'o','n','c','h','a','n','g','e',0};
static const WCHAR clickW[] = {'c','l','i','c','k',0};
static const WCHAR onclickW[] = {'o','n','c','l','i','c','k',0};
static const WCHAR contextmenuW[] = {'c','o','n','t','e','x','t','m','e','n','u',0};
static const WCHAR oncontextmenuW[] = {'o','n','c','o','n','t','e','x','t','m','e','n','u',0};
static const WCHAR dataavailableW[] = {'d','a','t','a','a','v','a','i','l','a','b','l','e',0};
static const WCHAR ondataavailableW[] = {'o','n','d','a','t','a','a','v','a','i','l','a','b','l','e',0};
static const WCHAR dblclickW[] = {'d','b','l','c','l','i','c','k',0};
static const WCHAR ondblclickW[] = {'o','n','d','b','l','c','l','i','c','k',0};
static const WCHAR dragW[] = {'d','r','a','g',0};
static const WCHAR ondragW[] = {'o','n','d','r','a','g',0};
static const WCHAR dragstartW[] = {'d','r','a','g','s','t','a','r','t',0};
static const WCHAR ondragstartW[] = {'o','n','d','r','a','g','s','t','a','r','t',0};
static const WCHAR errorW[] = {'e','r','r','o','r',0};
static const WCHAR onerrorW[] = {'o','n','e','r','r','o','r',0};
static const WCHAR focusW[] = {'f','o','c','u','s',0};
static const WCHAR onfocusW[] = {'o','n','f','o','c','u','s',0};
static const WCHAR focusinW[] = {'f','o','c','u','s','i','n',0};
static const WCHAR onfocusinW[] = {'o','n','f','o','c','u','s','i','n',0};
static const WCHAR helpW[] = {'h','e','l','p',0};
static const WCHAR onhelpW[] = {'o','n','h','e','l','p',0};
static const WCHAR keydownW[] = {'k','e','y','d','o','w','n',0};
static const WCHAR onkeydownW[] = {'o','n','k','e','y','d','o','w','n',0};
static const WCHAR keypressW[] = {'k','e','y','p','r','e','s','s',0};
static const WCHAR onkeypressW[] = {'o','n','k','e','y','p','r','e','s','s',0};
static const WCHAR keyupW[] = {'k','e','y','u','p',0};
static const WCHAR onkeyupW[] = {'o','n','k','e','y','u','p',0};
static const WCHAR loadW[] = {'l','o','a','d',0};
static const WCHAR onloadW[] = {'o','n','l','o','a','d',0};
static const WCHAR mousedownW[] = {'m','o','u','s','e','d','o','w','n',0};
static const WCHAR onmousedownW[] = {'o','n','m','o','u','s','e','d','o','w','n',0};
static const WCHAR mousemoveW[] = {'m','o','u','s','e','m','o','v','e',0};
static const WCHAR onmousemoveW[] = {'o','n','m','o','u','s','e','m','o','v','e',0};
static const WCHAR mouseoutW[] = {'m','o','u','s','e','o','u','t',0};
static const WCHAR onmouseoutW[] = {'o','n','m','o','u','s','e','o','u','t',0};
static const WCHAR mouseoverW[] = {'m','o','u','s','e','o','v','e','r',0};
static const WCHAR onmouseoverW[] = {'o','n','m','o','u','s','e','o','v','e','r',0};
static const WCHAR mouseupW[] = {'m','o','u','s','e','u','p',0};
static const WCHAR onmouseupW[] = {'o','n','m','o','u','s','e','u','p',0};
static const WCHAR mousewheelW[] = {'m','o','u','s','e','w','h','e','e','l',0};
static const WCHAR onmousewheelW[] = {'o','n','m','o','u','s','e','w','h','e','e','l',0};
static const WCHAR pasteW[] = {'p','a','s','t','e',0};
static const WCHAR onpasteW[] = {'o','n','p','a','s','t','e',0};
static const WCHAR readystatechangeW[] = {'r','e','a','d','y','s','t','a','t','e','c','h','a','n','g','e',0};
static const WCHAR onreadystatechangeW[] = {'o','n','r','e','a','d','y','s','t','a','t','e','c','h','a','n','g','e',0};
static const WCHAR resizeW[] = {'r','e','s','i','z','e',0};
static const WCHAR onresizeW[] = {'o','n','r','e','s','i','z','e',0};
static const WCHAR scrollW[] = {'s','c','r','o','l','l',0};
static const WCHAR onscrollW[] = {'o','n','s','c','r','o','l','l',0};
static const WCHAR selectstartW[] = {'s','e','l','e','c','t','s','t','a','r','t',0};
static const WCHAR onselectstartW[] = {'o','n','s','e','l','e','c','t','s','t','a','r','t',0};
static const WCHAR submitW[] = {'s','u','b','m','i','t',0};
static const WCHAR onsubmitW[] = {'o','n','s','u','b','m','i','t',0};
static const WCHAR HTMLEventsW[] = {'H','T','M','L','E','v','e','n','t','s',0};
static const WCHAR KeyboardEventW[] = {'K','e','y','b','o','a','r','d','E','v','e','n','t',0};
static const WCHAR MouseEventW[] = {'M','o','u','s','e','E','v','e','n','t',0};
enum {
EVENTT_NONE,
EVENTT_HTML,
EVENTT_KEY,
EVENTT_MOUSE
};
static const WCHAR *event_types[] = {
NULL,
HTMLEventsW,
KeyboardEventW,
MouseEventW
};
typedef struct {
LPCWSTR name;
LPCWSTR attr_name;
DWORD type;
DISPID dispid;
DWORD flags;
} event_info_t;
#define EVENT_DEFAULTLISTENER 0x0001
#define EVENT_BUBBLE 0x0002
#define EVENT_FORWARDBODY 0x0004
#define EVENT_BIND_TO_BODY 0x0008
#define EVENT_CANCELABLE 0x0010
#define EVENT_HASDEFAULTHANDLERS 0x0020
static const event_info_t event_info[] = {
{abortW, onabortW, EVENTT_NONE, DISPID_EVMETH_ONABORT,
EVENT_BIND_TO_BODY},
{beforeunloadW, onbeforeunloadW, EVENTT_NONE, DISPID_EVMETH_ONBEFOREUNLOAD,
EVENT_DEFAULTLISTENER|EVENT_FORWARDBODY},
{blurW, onblurW, EVENTT_HTML, DISPID_EVMETH_ONBLUR,
EVENT_DEFAULTLISTENER},
{changeW, onchangeW, EVENTT_HTML, DISPID_EVMETH_ONCHANGE,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{clickW, onclickW, EVENTT_MOUSE, DISPID_EVMETH_ONCLICK,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_CANCELABLE|EVENT_HASDEFAULTHANDLERS},
{contextmenuW, oncontextmenuW, EVENTT_MOUSE, DISPID_EVMETH_ONCONTEXTMENU,
EVENT_BUBBLE|EVENT_CANCELABLE},
{dataavailableW, ondataavailableW, EVENTT_NONE, DISPID_EVMETH_ONDATAAVAILABLE,
EVENT_BUBBLE},
{dblclickW, ondblclickW, EVENTT_MOUSE, DISPID_EVMETH_ONDBLCLICK,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_CANCELABLE},
{dragW, ondragW, EVENTT_MOUSE, DISPID_EVMETH_ONDRAG,
EVENT_CANCELABLE},
{dragstartW, ondragstartW, EVENTT_MOUSE, DISPID_EVMETH_ONDRAGSTART,
EVENT_CANCELABLE},
{errorW, onerrorW, EVENTT_NONE, DISPID_EVMETH_ONERROR,
EVENT_BIND_TO_BODY},
{focusW, onfocusW, EVENTT_HTML, DISPID_EVMETH_ONFOCUS,
EVENT_DEFAULTLISTENER},
{focusinW, onfocusinW, EVENTT_HTML, DISPID_EVMETH_ONFOCUSIN,
EVENT_BUBBLE},
{helpW, onhelpW, EVENTT_KEY, DISPID_EVMETH_ONHELP,
EVENT_BUBBLE|EVENT_CANCELABLE},
{keydownW, onkeydownW, EVENTT_KEY, DISPID_EVMETH_ONKEYDOWN,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_HASDEFAULTHANDLERS},
{keypressW, onkeypressW, EVENTT_KEY, DISPID_EVMETH_ONKEYPRESS,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{keyupW, onkeyupW, EVENTT_KEY, DISPID_EVMETH_ONKEYUP,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{loadW, onloadW, EVENTT_HTML, DISPID_EVMETH_ONLOAD,
EVENT_BIND_TO_BODY},
{mousedownW, onmousedownW, EVENTT_MOUSE, DISPID_EVMETH_ONMOUSEDOWN,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_CANCELABLE},
{mousemoveW, onmousemoveW, EVENTT_MOUSE, DISPID_EVMETH_ONMOUSEMOVE,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{mouseoutW, onmouseoutW, EVENTT_MOUSE, DISPID_EVMETH_ONMOUSEOUT,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{mouseoverW, onmouseoverW, EVENTT_MOUSE, DISPID_EVMETH_ONMOUSEOVER,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{mouseupW, onmouseupW, EVENTT_MOUSE, DISPID_EVMETH_ONMOUSEUP,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{mousewheelW, onmousewheelW, EVENTT_MOUSE, DISPID_EVMETH_ONMOUSEWHEEL,
0},
{pasteW, onpasteW, EVENTT_NONE, DISPID_EVMETH_ONPASTE,
EVENT_CANCELABLE},
{readystatechangeW, onreadystatechangeW, EVENTT_NONE, DISPID_EVMETH_ONREADYSTATECHANGE,
0},
{resizeW, onresizeW, EVENTT_NONE, DISPID_EVMETH_ONRESIZE,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{scrollW, onscrollW, EVENTT_HTML, DISPID_EVMETH_ONSCROLL,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
{selectstartW, onselectstartW, EVENTT_MOUSE, DISPID_EVMETH_ONSELECTSTART,
EVENT_CANCELABLE},
{submitW, onsubmitW, EVENTT_HTML, DISPID_EVMETH_ONSUBMIT,
EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_CANCELABLE|EVENT_HASDEFAULTHANDLERS}
};
eventid_t str_to_eid(LPCWSTR str)
{
int i;
for(i=0; i < sizeof(event_info)/sizeof(event_info[0]); i++) {
if(!strcmpW(event_info[i].name, str))
return i;
}
ERR("unknown type %s\n", debugstr_w(str));
return EVENTID_LAST;
}
static eventid_t attr_to_eid(LPCWSTR str)
{
int i;
for(i=0; i < sizeof(event_info)/sizeof(event_info[0]); i++) {
if(!strcmpW(event_info[i].attr_name, str))
return i;
}
return EVENTID_LAST;
}
struct HTMLEventObj {
DispatchEx dispex;
IHTMLEventObj IHTMLEventObj_iface;
LONG ref;
HTMLDOMNode *target;
const event_info_t *type;
nsIDOMEvent *nsevent;
VARIANT return_value;
BOOL prevent_default;
BOOL cancel_bubble;
};
static inline HTMLEventObj *impl_from_IHTMLEventObj(IHTMLEventObj *iface)
{
return CONTAINING_RECORD(iface, HTMLEventObj, IHTMLEventObj_iface);
}
static HRESULT WINAPI HTMLEventObj_QueryInterface(IHTMLEventObj *iface, REFIID riid, void **ppv)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
if(IsEqualGUID(&IID_IUnknown, riid)) {
*ppv = &This->IHTMLEventObj_iface;
}else if(IsEqualGUID(&IID_IHTMLEventObj, riid)) {
*ppv = &This->IHTMLEventObj_iface;
}else if(dispex_query_interface(&This->dispex, riid, ppv)) {
return *ppv ? S_OK : E_NOINTERFACE;
}else {
*ppv = NULL;
WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI HTMLEventObj_AddRef(IHTMLEventObj *iface)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI HTMLEventObj_Release(IHTMLEventObj *iface)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
if(This->target)
IHTMLDOMNode_Release(&This->target->IHTMLDOMNode_iface);
if(This->nsevent)
nsIDOMEvent_Release(This->nsevent);
release_dispex(&This->dispex);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI HTMLEventObj_GetTypeInfoCount(IHTMLEventObj *iface, UINT *pctinfo)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}
static HRESULT WINAPI HTMLEventObj_GetTypeInfo(IHTMLEventObj *iface, UINT iTInfo,
LCID lcid, ITypeInfo **ppTInfo)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}
static HRESULT WINAPI HTMLEventObj_GetIDsOfNames(IHTMLEventObj *iface, REFIID riid,
LPOLESTR *rgszNames, UINT cNames,
LCID lcid, DISPID *rgDispId)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
lcid, rgDispId);
}
static HRESULT WINAPI HTMLEventObj_Invoke(IHTMLEventObj *iface, DISPID dispIdMember,
REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}
static HRESULT WINAPI HTMLEventObj_get_srcElement(IHTMLEventObj *iface, IHTMLElement **p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
TRACE("(%p)->(%p)\n", This, p);
*p = NULL;
if(This->target)
IHTMLDOMNode_QueryInterface(&This->target->IHTMLDOMNode_iface, &IID_IHTMLElement, (void**)p);
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_altKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
cpp_bool ret = FALSE;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMKeyEvent *key_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMKeyEvent_GetAltKey(key_event, &ret);
nsIDOMKeyEvent_Release(key_event);
}else {
nsIDOMMouseEvent *mouse_event;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMMouseEvent_GetAltKey(mouse_event, &ret);
nsIDOMMouseEvent_Release(mouse_event);
}
}
}
*p = ret ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_ctrlKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
cpp_bool ret = FALSE;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMKeyEvent *key_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMKeyEvent_GetCtrlKey(key_event, &ret);
nsIDOMKeyEvent_Release(key_event);
}else {
nsIDOMMouseEvent *mouse_event;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMMouseEvent_GetCtrlKey(mouse_event, &ret);
nsIDOMMouseEvent_Release(mouse_event);
}
}
}
*p = ret ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_shiftKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
cpp_bool ret = FALSE;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMKeyEvent *key_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMKeyEvent_GetShiftKey(key_event, &ret);
nsIDOMKeyEvent_Release(key_event);
}else {
nsIDOMMouseEvent *mouse_event;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMMouseEvent_GetShiftKey(mouse_event, &ret);
nsIDOMMouseEvent_Release(mouse_event);
}
}
}
*p = ret ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_put_returnValue(IHTMLEventObj *iface, VARIANT v)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));
if(V_VT(&v) != VT_BOOL) {
FIXME("unsupported value %s\n", debugstr_variant(&v));
return DISP_E_BADVARTYPE;
}
This->return_value = v;
if(!V_BOOL(&v))
This->prevent_default = TRUE;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_returnValue(IHTMLEventObj *iface, VARIANT *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
TRACE("(%p)->(%p)\n", This, p);
V_VT(p) = VT_EMPTY;
return VariantCopy(p, &This->return_value);
}
static HRESULT WINAPI HTMLEventObj_put_cancelBubble(IHTMLEventObj *iface, VARIANT_BOOL v)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
TRACE("(%p)->(%x)\n", This, v);
This->cancel_bubble = !!v;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_cancelBubble(IHTMLEventObj *iface, VARIANT_BOOL *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
TRACE("(%p)->(%p)\n", This, p);
*p = This->cancel_bubble ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_fromElement(IHTMLEventObj *iface, IHTMLElement **p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
FIXME("(%p)->(%p)\n", This, p);
*p = NULL;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_toElement(IHTMLEventObj *iface, IHTMLElement **p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
FIXME("(%p)->(%p)\n", This, p);
*p = NULL;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_put_keyCode(IHTMLEventObj *iface, LONG v)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
FIXME("(%p)->(%d)\n", This, v);
return E_NOTIMPL;
}
static HRESULT WINAPI HTMLEventObj_get_keyCode(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
UINT32 key_code = 0;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMKeyEvent *key_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMKeyEvent_GetKeyCode(key_event, &key_code);
nsIDOMKeyEvent_Release(key_event);
}
}
*p = key_code;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_button(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
INT16 button = 0;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMMouseEvent *mouse_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMMouseEvent_GetButton(mouse_event, &button);
nsIDOMMouseEvent_Release(mouse_event);
}
}
*p = button;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_type(IHTMLEventObj *iface, BSTR *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
TRACE("(%p)->(%p)\n", This, p);
if(!This->type) {
*p = NULL;
return S_OK;
}
*p = SysAllocString(This->type->name);
return *p ? S_OK : E_OUTOFMEMORY;
}
static HRESULT WINAPI HTMLEventObj_get_qualifier(IHTMLEventObj *iface, BSTR *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
FIXME("(%p)->(%p)\n", This, p);
*p = NULL;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_reason(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
FIXME("(%p)->(%p)\n", This, p);
*p = 0;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_x(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
LONG x = 0;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMUIEvent *ui_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMUIEvent, (void**)&ui_event);
if(NS_SUCCEEDED(nsres)) {
/* NOTE: pageX is not exactly right here. */
nsres = nsIDOMUIEvent_GetPageX(ui_event, &x);
assert(nsres == NS_OK);
nsIDOMUIEvent_Release(ui_event);
}
}
*p = x;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_y(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
LONG y = 0;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMUIEvent *ui_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMUIEvent, (void**)&ui_event);
if(NS_SUCCEEDED(nsres)) {
/* NOTE: pageY is not exactly right here. */
nsres = nsIDOMUIEvent_GetPageY(ui_event, &y);
assert(nsres == NS_OK);
nsIDOMUIEvent_Release(ui_event);
}
}
*p = y;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_clientX(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
LONG x = 0;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMMouseEvent *mouse_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMMouseEvent_GetClientX(mouse_event, &x);
nsIDOMMouseEvent_Release(mouse_event);
}
}
*p = x;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_clientY(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
LONG y = 0;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMMouseEvent *mouse_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMMouseEvent_GetClientY(mouse_event, &y);
nsIDOMMouseEvent_Release(mouse_event);
}
}
*p = y;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_offsetX(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
FIXME("(%p)->(%p)\n", This, p);
*p = 0;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_offsetY(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
FIXME("(%p)->(%p)\n", This, p);
*p = 0;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_screenX(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
LONG x = 0;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMMouseEvent *mouse_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMMouseEvent_GetScreenX(mouse_event, &x);
nsIDOMMouseEvent_Release(mouse_event);
}
}
*p = x;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_screenY(IHTMLEventObj *iface, LONG *p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
LONG y = 0;
TRACE("(%p)->(%p)\n", This, p);
if(This->nsevent) {
nsIDOMMouseEvent *mouse_event;
nsresult nsres;
nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
if(NS_SUCCEEDED(nsres)) {
nsIDOMMouseEvent_GetScreenY(mouse_event, &y);
nsIDOMMouseEvent_Release(mouse_event);
}
}
*p = y;
return S_OK;
}
static HRESULT WINAPI HTMLEventObj_get_srcFilter(IHTMLEventObj *iface, IDispatch **p)
{
HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
FIXME("(%p)->(%p)\n", This, p);
*p = NULL;
return S_OK;
}
static const IHTMLEventObjVtbl HTMLEventObjVtbl = {
HTMLEventObj_QueryInterface,
HTMLEventObj_AddRef,
HTMLEventObj_Release,
HTMLEventObj_GetTypeInfoCount,
HTMLEventObj_GetTypeInfo,
HTMLEventObj_GetIDsOfNames,
HTMLEventObj_Invoke,
HTMLEventObj_get_srcElement,
HTMLEventObj_get_altKey,
HTMLEventObj_get_ctrlKey,
HTMLEventObj_get_shiftKey,
HTMLEventObj_put_returnValue,
HTMLEventObj_get_returnValue,
HTMLEventObj_put_cancelBubble,
HTMLEventObj_get_cancelBubble,
HTMLEventObj_get_fromElement,
HTMLEventObj_get_toElement,
HTMLEventObj_put_keyCode,
HTMLEventObj_get_keyCode,
HTMLEventObj_get_button,
HTMLEventObj_get_type,
HTMLEventObj_get_qualifier,
HTMLEventObj_get_reason,
HTMLEventObj_get_x,
HTMLEventObj_get_y,
HTMLEventObj_get_clientX,
HTMLEventObj_get_clientY,
HTMLEventObj_get_offsetX,
HTMLEventObj_get_offsetY,
HTMLEventObj_get_screenX,
HTMLEventObj_get_screenY,
HTMLEventObj_get_srcFilter
};
static inline HTMLEventObj *unsafe_impl_from_IHTMLEventObj(IHTMLEventObj *iface)
{
return iface->lpVtbl == &HTMLEventObjVtbl ? impl_from_IHTMLEventObj(iface) : NULL;
}
static const tid_t HTMLEventObj_iface_tids[] = {
IHTMLEventObj_tid,
0
};
static dispex_static_data_t HTMLEventObj_dispex = {
NULL,
DispCEventObj_tid,
NULL,
HTMLEventObj_iface_tids
};
static HTMLEventObj *create_event(void)
{
HTMLEventObj *ret;
ret = heap_alloc_zero(sizeof(*ret));
if(!ret)
return NULL;
ret->IHTMLEventObj_iface.lpVtbl = &HTMLEventObjVtbl;
ret->ref = 1;
init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLEventObj_iface, &HTMLEventObj_dispex);
return ret;
}
static HRESULT set_event_info(HTMLEventObj *event, HTMLDOMNode *target, eventid_t eid, nsIDOMEvent *nsevent)
{
event->type = event_info+eid;
event->nsevent = nsevent;
if(nsevent) {
nsIDOMEvent_AddRef(nsevent);
}else if(event_types[event_info[eid].type]) {
nsAString type_str;
nsresult nsres;
nsAString_InitDepend(&type_str, event_types[event_info[eid].type]);
nsres = nsIDOMHTMLDocument_CreateEvent(target->doc->nsdoc, &type_str, &event->nsevent);
nsAString_Finish(&type_str);
if(NS_FAILED(nsres)) {
ERR("Could not create event: %08x\n", nsres);
return E_FAIL;
}
}
event->target = target;
if(target)
IHTMLDOMNode_AddRef(&target->IHTMLDOMNode_iface);
return S_OK;
}
HRESULT create_event_obj(IHTMLEventObj **ret)
{
HTMLEventObj *event;
event = create_event();
if(!event)
return E_OUTOFMEMORY;
*ret = &event->IHTMLEventObj_iface;
return S_OK;
}
static inline event_target_t *get_event_target_data(EventTarget *event_target, BOOL alloc)
{
event_target_t **ptr;
ptr = event_target->dispex.data->vtbl && event_target->dispex.data->vtbl->get_event_target_ptr
? event_target->dispex.data->vtbl->get_event_target_ptr(&event_target->dispex)
: &event_target->ptr;
if(*ptr || !alloc)
return *ptr;
return *ptr = heap_alloc_zero(sizeof(event_target_t));
}
static HRESULT call_disp_func(IDispatch *disp, DISPPARAMS *dp, VARIANT *retv)
{
IDispatchEx *dispex;
EXCEPINFO ei;
HRESULT hres;
memset(&ei, 0, sizeof(ei));
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_InvokeEx(dispex, 0, GetUserDefaultLCID(), DISPATCH_METHOD, dp, retv, &ei, NULL);
IDispatchEx_Release(dispex);
}else {
TRACE("Could not get IDispatchEx interface: %08x\n", hres);
hres = IDispatch_Invoke(disp, 0, &IID_NULL, GetUserDefaultLCID(), DISPATCH_METHOD,
dp, retv, &ei, NULL);
}
return hres;
}
static HRESULT call_cp_func(IDispatch *disp, DISPID dispid, HTMLEventObj *event_obj, VARIANT *retv)
{
DISPPARAMS dp = {NULL,NULL,0,0};
VARIANT event_arg;
ULONG argerr;
EXCEPINFO ei;
if(event_obj) {
V_VT(&event_arg) = VT_DISPATCH;
V_DISPATCH(&event_arg) = (IDispatch*)&event_obj->IHTMLEventObj_iface;
dp.rgvarg = &event_arg;
dp.cArgs = 1;
}
memset(&ei, 0, sizeof(ei));
return IDispatch_Invoke(disp, dispid, &IID_NULL, 0, DISPATCH_METHOD, &dp, retv, &ei, &argerr);
}
static BOOL is_cp_event(cp_static_data_t *data, DISPID dispid)
{
int min, max, i;
HRESULT hres;
if(!data)
return FALSE;
if(!data->ids) {
hres = get_dispids(data->tid, &data->id_cnt, &data->ids);
if(FAILED(hres))
return FALSE;
}
min = 0;
max = data->id_cnt-1;
while(min <= max) {
i = (min+max)/2;
if(data->ids[i] == dispid)
return TRUE;
if(data->ids[i] < dispid)
min = i+1;
else
max = i-1;
}
return FALSE;
}
void call_event_handlers(HTMLDocumentNode *doc, HTMLEventObj *event_obj, EventTarget *event_target,
ConnectionPointContainer *cp_container, eventid_t eid, IDispatch *this_obj)
{
event_target_t *data = get_event_target_data(event_target, FALSE);
const BOOL cancelable = event_info[eid].flags & EVENT_CANCELABLE;
VARIANT v;
HRESULT hres;
if(data && data->event_table[eid] && data->event_table[eid]->handler_prop) {
DISPID named_arg = DISPID_THIS;
VARIANTARG arg;
DISPPARAMS dp = {&arg, &named_arg, 1, 1};
V_VT(&arg) = VT_DISPATCH;
V_DISPATCH(&arg) = this_obj;
V_VT(&v) = VT_EMPTY;
TRACE("%s >>>\n", debugstr_w(event_info[eid].name));
hres = call_disp_func(data->event_table[eid]->handler_prop, &dp, &v);
if(hres == S_OK) {
TRACE("%s <<< %s\n", debugstr_w(event_info[eid].name), debugstr_variant(&v));
if(cancelable) {
if(V_VT(&v) == VT_BOOL) {
if(!V_BOOL(&v))
event_obj->prevent_default = TRUE;
}else if(V_VT(&v) != VT_EMPTY) {
FIXME("unhandled result %s\n", debugstr_variant(&v));
}
}
VariantClear(&v);
}else {
WARN("%s <<< %08x\n", debugstr_w(event_info[eid].name), hres);
}
}
if(data && data->event_table[eid] && data->event_table[eid]->handler_cnt) {
VARIANTARG arg;
DISPPARAMS dp = {&arg, NULL, 1, 0};
int i;
V_VT(&arg) = VT_DISPATCH;
V_DISPATCH(&arg) = (IDispatch*)event_obj;
i = data->event_table[eid]->handler_cnt;
while(i--) {
if(data->event_table[eid]->handlers[i]) {
V_VT(&v) = VT_EMPTY;
TRACE("%s [%d] >>>\n", debugstr_w(event_info[eid].name), i);
hres = call_disp_func(data->event_table[eid]->handlers[i], &dp, &v);
if(hres == S_OK) {
TRACE("%s [%d] <<<\n", debugstr_w(event_info[eid].name), i);
if(cancelable) {
if(V_VT(&v) == VT_BOOL) {
if(!V_BOOL(&v))
event_obj->prevent_default = TRUE;
}else if(V_VT(&v) != VT_EMPTY) {
FIXME("unhandled result %s\n", debugstr_variant(&v));
}
}
VariantClear(&v);
}else {
WARN("%s [%d] <<< %08x\n", debugstr_w(event_info[eid].name), i, hres);
}
}
}
}
/*
* NOTE: CP events may require doc_obj reference, which we don't own. We make sure that
* it's safe to call event handler by checking nsevent_listener, which is NULL for
* detached documents.
*/
if(cp_container && cp_container->forward_container)
cp_container = cp_container->forward_container;
if(cp_container && cp_container->cps && doc->nsevent_listener) {
ConnectionPoint *cp;
unsigned i, j;
for(j=0; cp_container->cp_entries[j].riid; j++) {
cp = cp_container->cps + j;
if(!cp->sinks_size || !is_cp_event(cp->data, event_info[eid].dispid))
continue;
for(i=0; doc->nsevent_listener && i < cp->sinks_size; i++) {
if(!cp->sinks[i].disp)
continue;
V_VT(&v) = VT_EMPTY;
TRACE("cp %s [%u] >>>\n", debugstr_w(event_info[eid].name), i);
hres = call_cp_func(cp->sinks[i].disp, event_info[eid].dispid,
cp->data->pass_event_arg ? event_obj : NULL, &v);
if(hres == S_OK) {
TRACE("cp %s [%u] <<<\n", debugstr_w(event_info[eid].name), i);
if(cancelable) {
if(V_VT(&v) == VT_BOOL) {
if(!V_BOOL(&v))
event_obj->prevent_default = TRUE;
}else if(V_VT(&v) != VT_EMPTY) {
FIXME("unhandled result %s\n", debugstr_variant(&v));
}
}
VariantClear(&v);
}else {
WARN("cp %s [%u] <<< %08x\n", debugstr_w(event_info[eid].name), i, hres);
}
}
if(!doc->nsevent_listener)
break;
}
}
}
static void fire_event_obj(HTMLDocumentNode *doc, eventid_t eid, HTMLEventObj *event_obj,
nsIDOMNode *target, IDispatch *script_this)
{
IHTMLEventObj *prev_event;
nsIDOMNode *parent, *nsnode;
BOOL prevent_default = FALSE;
HTMLInnerWindow *window;
HTMLDOMNode *node;
UINT16 node_type;
nsresult nsres;
HRESULT hres;
TRACE("(%p) %s\n", doc, debugstr_w(event_info[eid].name));
window = doc->window;
if(!window) {
WARN("NULL window\n");
return;
}
htmldoc_addref(&doc->basedoc);
prev_event = window->event;
window->event = event_obj ? &event_obj->IHTMLEventObj_iface : NULL;
nsIDOMNode_GetNodeType(target, &node_type);
nsnode = target;
nsIDOMNode_AddRef(nsnode);
switch(node_type) {
case ELEMENT_NODE:
do {
hres = get_node(doc, nsnode, FALSE, &node);
if(SUCCEEDED(hres) && node) {
call_event_handlers(doc, event_obj, &node->event_target, node->cp_container, eid,
script_this ? script_this : (IDispatch*)&node->IHTMLDOMNode_iface);
node_release(node);
}
if(!(event_info[eid].flags & EVENT_BUBBLE) || (event_obj && event_obj->cancel_bubble))
break;
nsIDOMNode_GetParentNode(nsnode, &parent);
nsIDOMNode_Release(nsnode);
nsnode = parent;
if(!nsnode)
break;
nsIDOMNode_GetNodeType(nsnode, &node_type);
}while(node_type == ELEMENT_NODE);
if(!(event_info[eid].flags & EVENT_BUBBLE) || (event_obj && event_obj->cancel_bubble))
break;
case DOCUMENT_NODE:
if(event_info[eid].flags & EVENT_FORWARDBODY) {
nsIDOMHTMLElement *nsbody;
nsresult nsres;
nsres = nsIDOMHTMLDocument_GetBody(doc->nsdoc, &nsbody);
if(NS_SUCCEEDED(nsres) && nsbody) {
hres = get_node(doc, (nsIDOMNode*)nsbody, FALSE, &node);
if(SUCCEEDED(hres) && node) {
call_event_handlers(doc, event_obj, &node->event_target, node->cp_container, eid,
script_this ? script_this : (IDispatch*)&node->IHTMLDOMNode_iface);
node_release(node);
}
nsIDOMHTMLElement_Release(nsbody);
}else {
ERR("Could not get body: %08x\n", nsres);
}
}
call_event_handlers(doc, event_obj, &doc->node.event_target, &doc->basedoc.cp_container, eid,
script_this ? script_this : (IDispatch*)&doc->basedoc.IHTMLDocument2_iface);
break;
default:
FIXME("unimplemented node type %d\n", node_type);
}
if(nsnode)
nsIDOMNode_Release(nsnode);
if(event_obj && event_obj->prevent_default)
prevent_default = TRUE;
window->event = prev_event;
if(!prevent_default && (event_info[eid].flags & EVENT_HASDEFAULTHANDLERS)) {
nsIDOMNode_AddRef(target);
nsnode = target;
do {
hres = get_node(doc, nsnode, TRUE, &node);
if(FAILED(hres))
break;
if(node) {
if(node->vtbl->handle_event)
hres = node->vtbl->handle_event(node, eid, event_obj ? event_obj->nsevent : NULL, &prevent_default);
node_release(node);
if(FAILED(hres) || prevent_default || (event_obj && event_obj->cancel_bubble))
break;
}
nsres = nsIDOMNode_GetParentNode(nsnode, &parent);
if(NS_FAILED(nsres))
break;
nsIDOMNode_Release(nsnode);
nsnode = parent;
} while(nsnode);
if(nsnode)
nsIDOMNode_Release(nsnode);
}
if(prevent_default && event_obj && event_obj->nsevent) {
TRACE("calling PreventDefault\n");
nsIDOMEvent_PreventDefault(event_obj->nsevent);
}
htmldoc_release(&doc->basedoc);
}
void fire_event(HTMLDocumentNode *doc, eventid_t eid, BOOL set_event, nsIDOMNode *target, nsIDOMEvent *nsevent,
IDispatch *script_this)
{
HTMLEventObj *event_obj = NULL;
HTMLDOMNode *node;
HRESULT hres;
if(set_event) {
hres = get_node(doc, target, TRUE, &node);
if(FAILED(hres))
return;
event_obj = create_event();
node_release(node);
if(!event_obj)
return;
hres = set_event_info(event_obj, node, eid, nsevent);
if(FAILED(hres)) {
IHTMLEventObj_Release(&event_obj->IHTMLEventObj_iface);
return;
}
}
fire_event_obj(doc, eid, event_obj, target, script_this);
if(event_obj)
IHTMLEventObj_Release(&event_obj->IHTMLEventObj_iface);
}
HRESULT dispatch_event(HTMLDOMNode *node, const WCHAR *event_name, VARIANT *event_var, VARIANT_BOOL *cancelled)
{
HTMLEventObj *event_obj = NULL;
eventid_t eid;
HRESULT hres;
eid = attr_to_eid(event_name);
if(eid == EVENTID_LAST) {
WARN("unknown event %s\n", debugstr_w(event_name));
return E_INVALIDARG;
}
if(event_var && V_VT(event_var) != VT_EMPTY && V_VT(event_var) != VT_ERROR) {
if(V_VT(event_var) != VT_DISPATCH) {
FIXME("event_var %s not supported\n", debugstr_variant(event_var));
return E_NOTIMPL;
}
if(V_DISPATCH(event_var)) {
IHTMLEventObj *event_iface;
hres = IDispatch_QueryInterface(V_DISPATCH(event_var), &IID_IHTMLEventObj, (void**)&event_iface);
if(FAILED(hres)) {
FIXME("No IHTMLEventObj iface\n");
return hres;
}
event_obj = unsafe_impl_from_IHTMLEventObj(event_iface);
if(!event_obj) {
ERR("Not our IHTMLEventObj?\n");
IHTMLEventObj_Release(event_iface);
return E_FAIL;
}
}
}
if(event_obj) {
hres = set_event_info(event_obj, node, eid, NULL);
if(SUCCEEDED(hres))
fire_event_obj(node->doc, eid, event_obj, node->nsnode, NULL);
IHTMLEventObj_Release(&event_obj->IHTMLEventObj_iface);
if(FAILED(hres))
return hres;
}else {
if(!(event_info[eid].flags & EVENT_DEFAULTLISTENER)) {
FIXME("not EVENT_DEFAULTEVENTHANDLER\n");
return E_NOTIMPL;
}
fire_event(node->doc, eid, TRUE, node->nsnode, NULL, NULL);
}
*cancelled = VARIANT_TRUE; /* FIXME */
return S_OK;
}
HRESULT call_fire_event(HTMLDOMNode *node, eventid_t eid)
{
HRESULT hres;
if(node->vtbl->fire_event) {
BOOL handled = FALSE;
hres = node->vtbl->fire_event(node, eid, &handled);
if(handled)
return hres;
}
fire_event(node->doc, eid, TRUE, node->nsnode, NULL, NULL);
return S_OK;
}
static BOOL alloc_handler_vector(event_target_t *event_target, eventid_t eid, int cnt)
{
handler_vector_t *new_vector, *handler_vector = event_target->event_table[eid];
if(handler_vector) {
if(cnt <= handler_vector->handler_cnt)
return TRUE;
new_vector = heap_realloc_zero(handler_vector, sizeof(handler_vector_t) + sizeof(IDispatch*)*cnt);
}else {
new_vector = heap_alloc_zero(sizeof(handler_vector_t) + sizeof(IDispatch*)*cnt);
}
if(!new_vector)
return FALSE;
new_vector->handler_cnt = cnt;
event_target->event_table[eid] = new_vector;
return TRUE;
}
HRESULT ensure_doc_nsevent_handler(HTMLDocumentNode *doc, eventid_t eid)
{
nsIDOMNode *nsnode = NULL;
TRACE("%s\n", debugstr_w(event_info[eid].name));
if(!doc->nsdoc || doc->event_vector[eid] || !(event_info[eid].flags & (EVENT_DEFAULTLISTENER|EVENT_BIND_TO_BODY)))
return S_OK;
if(event_info[eid].flags & EVENT_BIND_TO_BODY) {
nsnode = doc->node.nsnode;
nsIDOMNode_AddRef(nsnode);
}
doc->event_vector[eid] = TRUE;
add_nsevent_listener(doc, nsnode, event_info[eid].name);
if(nsnode)
nsIDOMNode_Release(nsnode);
return S_OK;
}
void detach_events(HTMLDocumentNode *doc)
{
if(doc->event_vector) {
int i;
for(i=0; i < EVENTID_LAST; i++) {
if(doc->event_vector[i]) {
detach_nsevent(doc, event_info[i].name);
doc->event_vector[i] = FALSE;
}
}
}
release_nsevents(doc);
}
static void bind_event(EventTarget *event_target, eventid_t eid)
{
if(event_target->dispex.data->vtbl->bind_event)
event_target->dispex.data->vtbl->bind_event(&event_target->dispex, eid);
else
FIXME("Unsupported event binding on target %p\n", event_target);
}
static void remove_event_handler(EventTarget *event_target, eventid_t eid)
{
event_target_t *data;
VARIANT *store;
HRESULT hres;
hres = dispex_get_dprop_ref(&event_target->dispex, event_info[eid].attr_name, FALSE, &store);
if(SUCCEEDED(hres))
VariantClear(store);
data = get_event_target_data(event_target, FALSE);
if(data && data->event_table[eid] && data->event_table[eid]->handler_prop) {
IDispatch_Release(data->event_table[eid]->handler_prop);
data->event_table[eid]->handler_prop = NULL;
}
}
static HRESULT set_event_handler_disp(EventTarget *event_target, eventid_t eid, IDispatch *disp)
{
event_target_t *data;
remove_event_handler(event_target, eid);
if(!disp)
return S_OK;
data = get_event_target_data(event_target, TRUE);
if(!data)
return E_OUTOFMEMORY;
if(!alloc_handler_vector(data, eid, 0))
return E_OUTOFMEMORY;
data->event_table[eid]->handler_prop = disp;
IDispatch_AddRef(disp);
bind_event(event_target, eid);
return S_OK;
}
HRESULT set_event_handler(EventTarget *event_target, eventid_t eid, VARIANT *var)
{
switch(V_VT(var)) {
case VT_NULL:
remove_event_handler(event_target, eid);
return S_OK;
case VT_DISPATCH:
return set_event_handler_disp(event_target, eid, V_DISPATCH(var));
case VT_BSTR: {
VARIANT *v;
HRESULT hres;
/*
* Setting event handler to string is a rare case and we don't want to
* complicate nor increase memory of event_target_t for that. Instead,
* we store the value in DispatchEx, which can already handle custom
* properties.
*/
remove_event_handler(event_target, eid);
hres = dispex_get_dprop_ref(&event_target->dispex, event_info[eid].attr_name, TRUE, &v);
if(FAILED(hres))
return hres;
V_BSTR(v) = SysAllocString(V_BSTR(var));
if(!V_BSTR(v))
return E_OUTOFMEMORY;
V_VT(v) = VT_BSTR;
return S_OK;
}
default:
FIXME("not handler %s\n", debugstr_variant(var));
/* fall through */
case VT_EMPTY:
return E_NOTIMPL;
}
return S_OK;
}
HRESULT get_event_handler(EventTarget *event_target, eventid_t eid, VARIANT *var)
{
event_target_t *data;
VARIANT *v;
HRESULT hres;
hres = dispex_get_dprop_ref(&event_target->dispex, event_info[eid].attr_name, FALSE, &v);
if(SUCCEEDED(hres) && V_VT(v) != VT_EMPTY)
return VariantCopy(var, v);
data = get_event_target_data(event_target, FALSE);
if(data && data->event_table[eid] && data->event_table[eid]->handler_prop) {
V_VT(var) = VT_DISPATCH;
V_DISPATCH(var) = data->event_table[eid]->handler_prop;
IDispatch_AddRef(V_DISPATCH(var));
}else {
V_VT(var) = VT_NULL;
}
return S_OK;
}
HRESULT attach_event(EventTarget *event_target, BSTR name, IDispatch *disp, VARIANT_BOOL *res)
{
event_target_t *data;
eventid_t eid;
DWORD i = 0;
eid = attr_to_eid(name);
if(eid == EVENTID_LAST) {
WARN("Unknown event\n");
*res = VARIANT_TRUE;
return S_OK;
}
data = get_event_target_data(event_target, TRUE);
if(!data)
return E_OUTOFMEMORY;
if(data->event_table[eid]) {
while(i < data->event_table[eid]->handler_cnt && data->event_table[eid]->handlers[i])
i++;
if(i == data->event_table[eid]->handler_cnt && !alloc_handler_vector(data, eid, i+1))
return E_OUTOFMEMORY;
}else if(!alloc_handler_vector(data, eid, i+1)) {
return E_OUTOFMEMORY;
}
IDispatch_AddRef(disp);
data->event_table[eid]->handlers[i] = disp;
bind_event(event_target, eid);
*res = VARIANT_TRUE;
return S_OK;
}
HRESULT detach_event(EventTarget *event_target, BSTR name, IDispatch *disp)
{
event_target_t *data;
eventid_t eid;
DWORD i = 0;
eid = attr_to_eid(name);
if(eid == EVENTID_LAST) {
WARN("Unknown event\n");
return S_OK;
}
data = get_event_target_data(event_target, FALSE);
if(!data)
return S_OK;
if(!data->event_table[eid])
return S_OK;
while(i < data->event_table[eid]->handler_cnt) {
if(data->event_table[eid]->handlers[i] == disp) {
IDispatch_Release(data->event_table[eid]->handlers[i]);
data->event_table[eid]->handlers[i] = NULL;
}
i++;
}
return S_OK;
}
void bind_target_event(HTMLDocumentNode *doc, EventTarget *event_target, const WCHAR *event, IDispatch *disp)
{
eventid_t eid;
TRACE("(%p %p %s %p)\n", doc, event_target, debugstr_w(event), disp);
eid = attr_to_eid(event);
if(eid == EVENTID_LAST) {
WARN("Unsupported event %s\n", debugstr_w(event));
return;
}
set_event_handler_disp(event_target, eid, disp);
}
void update_doc_cp_events(HTMLDocumentNode *doc, cp_static_data_t *cp)
{
int i;
for(i=0; i < EVENTID_LAST; i++) {
if((event_info[i].flags & EVENT_DEFAULTLISTENER) && is_cp_event(cp, event_info[i].dispid))
ensure_doc_nsevent_handler(doc, i);
}
}
void check_event_attr(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem)
{
const PRUnichar *attr_value;
nsAString attr_value_str;
IDispatch *disp;
HTMLDOMNode *node;
int i;
nsresult nsres;
HRESULT hres;
for(i=0; i < EVENTID_LAST; i++) {
nsres = get_elem_attr_value(nselem, event_info[i].attr_name, &attr_value_str, &attr_value);
if(NS_SUCCEEDED(nsres)) {
if(!*attr_value)
continue;
TRACE("%p.%s = %s\n", nselem, debugstr_w(event_info[i].attr_name), debugstr_w(attr_value));
disp = script_parse_event(doc->window, attr_value);
if(disp) {
hres = get_node(doc, (nsIDOMNode*)nselem, TRUE, &node);
if(SUCCEEDED(hres)) {
set_event_handler_disp(&node->event_target, i, disp);
node_release(node);
}
IDispatch_Release(disp);
}
nsAString_Finish(&attr_value_str);
}
}
}
HRESULT doc_init_events(HTMLDocumentNode *doc)
{
unsigned i;
HRESULT hres;
doc->event_vector = heap_alloc_zero(EVENTID_LAST*sizeof(BOOL));
if(!doc->event_vector)
return E_OUTOFMEMORY;
init_nsevents(doc);
for(i=0; i < EVENTID_LAST; i++) {
if(event_info[i].flags & EVENT_HASDEFAULTHANDLERS) {
hres = ensure_doc_nsevent_handler(doc, i);
if(FAILED(hres))
return hres;
}
}
return S_OK;
}
void release_event_target(event_target_t *event_target)
{
int i;
unsigned int j;
for(i=0; i < EVENTID_LAST; i++) {
if(event_target->event_table[i]) {
if(event_target->event_table[i]->handler_prop)
IDispatch_Release(event_target->event_table[i]->handler_prop);
for(j=0; j < event_target->event_table[i]->handler_cnt; j++)
if(event_target->event_table[i]->handlers[j])
IDispatch_Release(event_target->event_table[i]->handlers[j]);
}
}
heap_free(event_target);
}
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