Sweden-Number/dlls/mshtml/nsevents.c

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/*
* Copyright 2007-2008 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 "ole2.h"
#include "mshtmcid.h"
#include "shlguid.h"
#include "wine/debug.h"
#include "mshtml_private.h"
#include "htmlscript.h"
#include "htmlevent.h"
#include "binding.h"
#include "resource.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
typedef struct {
nsIDOMEventListener nsIDOMEventListener_iface;
nsDocumentEventListener *This;
} nsEventListener;
struct nsDocumentEventListener {
nsEventListener blur_listener;
nsEventListener focus_listener;
nsEventListener keypress_listener;
nsEventListener load_listener;
nsEventListener htmlevent_listener;
LONG ref;
HTMLDocumentNode *doc;
};
static LONG release_listener(nsDocumentEventListener *This)
{
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref)
heap_free(This);
return ref;
}
static inline nsEventListener *impl_from_nsIDOMEventListener(nsIDOMEventListener *iface)
{
return CONTAINING_RECORD(iface, nsEventListener, nsIDOMEventListener_iface);
}
static nsresult NSAPI nsDOMEventListener_QueryInterface(nsIDOMEventListener *iface,
nsIIDRef riid, void **result)
{
nsEventListener *This = impl_from_nsIDOMEventListener(iface);
*result = NULL;
if(IsEqualGUID(&IID_nsISupports, riid)) {
TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
*result = &This->nsIDOMEventListener_iface;
}else if(IsEqualGUID(&IID_nsIDOMEventListener, riid)) {
TRACE("(%p)->(IID_nsIDOMEventListener %p)\n", This, result);
*result = &This->nsIDOMEventListener_iface;
}
if(*result) {
nsIDOMEventListener_AddRef(&This->nsIDOMEventListener_iface);
return NS_OK;
}
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
return NS_NOINTERFACE;
}
static nsrefcnt NSAPI nsDOMEventListener_AddRef(nsIDOMEventListener *iface)
{
nsEventListener *This = impl_from_nsIDOMEventListener(iface);
LONG ref = InterlockedIncrement(&This->This->ref);
TRACE("(%p) ref=%d\n", This->This, ref);
return ref;
}
static nsrefcnt NSAPI nsDOMEventListener_Release(nsIDOMEventListener *iface)
{
nsEventListener *This = impl_from_nsIDOMEventListener(iface);
return release_listener(This->This);
}
static BOOL is_doc_child_focus(GeckoBrowser *nscontainer)
{
HWND hwnd;
for(hwnd = GetFocus(); hwnd && hwnd != nscontainer->hwnd; hwnd = GetParent(hwnd));
return hwnd != NULL;
}
static nsresult NSAPI handle_blur(nsIDOMEventListener *iface, nsIDOMEvent *event)
{
nsEventListener *This = impl_from_nsIDOMEventListener(iface);
HTMLDocumentNode *doc = This->This->doc;
HTMLDocumentObj *doc_obj;
TRACE("(%p)\n", doc);
if(!doc || !doc->basedoc.doc_obj)
return NS_ERROR_FAILURE;
doc_obj = doc->basedoc.doc_obj;
if(doc_obj->focus && !is_doc_child_focus(doc_obj->nscontainer)) {
doc_obj->focus = FALSE;
notif_focus(doc_obj);
}
return NS_OK;
}
static nsresult NSAPI handle_focus(nsIDOMEventListener *iface, nsIDOMEvent *event)
{
nsEventListener *This = impl_from_nsIDOMEventListener(iface);
HTMLDocumentNode *doc = This->This->doc;
HTMLDocumentObj *doc_obj;
TRACE("(%p)\n", doc);
if(!doc)
return NS_ERROR_FAILURE;
doc_obj = doc->basedoc.doc_obj;
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if(!doc_obj->focus) {
doc_obj->focus = TRUE;
notif_focus(doc_obj);
}
return NS_OK;
}
static nsresult NSAPI handle_keypress(nsIDOMEventListener *iface,
nsIDOMEvent *event)
{
nsEventListener *This = impl_from_nsIDOMEventListener(iface);
HTMLDocumentNode *doc = This->This->doc;
if(!doc || !doc->browser)
return NS_ERROR_FAILURE;
TRACE("(%p)->(%p)\n", doc, event);
update_doc(doc->browser->doc, UPDATE_UI);
if(doc->browser->usermode == EDITMODE)
handle_edit_event(doc, event);
return NS_OK;
}
static void handle_docobj_load(HTMLDocumentObj *doc)
{
IOleCommandTarget *olecmd = NULL;
HRESULT hres;
if(doc->nscontainer->editor_controller) {
nsIController_Release(doc->nscontainer->editor_controller);
doc->nscontainer->editor_controller = NULL;
}
if(doc->nscontainer->usermode == EDITMODE)
setup_editor_controller(doc->nscontainer);
if(doc->client) {
hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
if(FAILED(hres))
olecmd = NULL;
}
if(doc->download_state) {
if(olecmd) {
VARIANT progress;
V_VT(&progress) = VT_I4;
V_I4(&progress) = 0;
IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS,
OLECMDEXECOPT_DONTPROMPTUSER, &progress, NULL);
}
set_download_state(doc, 0);
}
if(olecmd) {
IOleCommandTarget_Exec(olecmd, &CGID_ShellDocView, 103, 0, NULL, NULL);
IOleCommandTarget_Exec(olecmd, &CGID_MSHTML, IDM_PARSECOMPLETE, 0, NULL, NULL);
IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_HTTPEQUIV_DONE, 0, NULL, NULL);
IOleCommandTarget_Release(olecmd);
}
}
static nsresult NSAPI handle_load(nsIDOMEventListener *iface, nsIDOMEvent *event)
{
nsEventListener *This = impl_from_nsIDOMEventListener(iface);
HTMLDocumentNode *doc = This->This->doc;
HTMLDocumentObj *doc_obj = NULL;
DOMEvent *load_event;
HRESULT hres;
TRACE("(%p)\n", doc);
if(!doc || !doc->basedoc.window)
return NS_ERROR_FAILURE;
if(doc->basedoc.doc_obj && doc->basedoc.doc_obj->basedoc.doc_node == doc)
doc_obj = doc->basedoc.doc_obj;
connect_scripts(doc->window);
htmldoc_addref(&doc->basedoc);
if(doc_obj)
handle_docobj_load(doc_obj);
set_ready_state(doc->basedoc.window, READYSTATE_COMPLETE);
if(doc_obj) {
if(doc_obj->view_sink)
IAdviseSink_OnViewChange(doc_obj->view_sink, DVASPECT_CONTENT, -1);
set_statustext(doc_obj, IDS_STATUS_DONE, NULL);
update_title(doc_obj);
}
if(doc_obj && doc_obj->nscontainer->usermode != EDITMODE && doc_obj->doc_object_service
&& !(doc->basedoc.window->load_flags & BINDING_REFRESH))
IDocObjectService_FireDocumentComplete(doc_obj->doc_object_service,
&doc->basedoc.window->base.IHTMLWindow2_iface, 0);
if(doc->nsdoc) {
hres = create_document_event(doc, EVENTID_LOAD, &load_event);
if(SUCCEEDED(hres)) {
dispatch_event(&doc->node.event_target, load_event);
IDOMEvent_Release(&load_event->IDOMEvent_iface);
}
}else {
WARN("no nsdoc\n");
}
if(doc->window) {
hres = create_event_from_nsevent(event, &load_event);
if(SUCCEEDED(hres)) {
dispatch_event(&doc->window->event_target, load_event);
IDOMEvent_Release(&load_event->IDOMEvent_iface);
}
}else {
WARN("no window\n");
}
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htmldoc_release(&doc->basedoc);
return NS_OK;
}
static nsresult NSAPI handle_htmlevent(nsIDOMEventListener *iface, nsIDOMEvent *nsevent)
{
nsEventListener *This = impl_from_nsIDOMEventListener(iface);
HTMLDocumentNode *doc = This->This->doc;
nsIDOMEventTarget *event_target;
nsIDOMNode *nsnode;
HTMLDOMNode *node;
DOMEvent *event;
nsresult nsres;
HRESULT hres;
TRACE("%p\n", This->This);
if(!doc) {
WARN("NULL doc\n");
return NS_OK;
}
nsres = nsIDOMEvent_GetTarget(nsevent, &event_target);
if(NS_FAILED(nsres) || !event_target) {
ERR("GetEventTarget failed: %08x\n", nsres);
return NS_OK;
}
nsres = nsIDOMEventTarget_QueryInterface(event_target, &IID_nsIDOMNode, (void**)&nsnode);
nsIDOMEventTarget_Release(event_target);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMNode: %08x\n", nsres);
return NS_OK;
}
hres = get_node(nsnode, TRUE, &node);
nsIDOMNode_Release(nsnode);
if(FAILED(hres))
return NS_OK;
hres = create_event_from_nsevent(nsevent, &event);
if(FAILED(hres)) {
node_release(node);
return NS_OK;
}
/* If we fine need for more special cases here, we may consider handling it in a more generic way. */
if(event->event_id == EVENTID_FOCUS || event->event_id == EVENTID_BLUR) {
DOMEvent *focus_event;
hres = create_document_event(doc, event->event_id == EVENTID_FOCUS ? EVENTID_FOCUSIN : EVENTID_FOCUSOUT, &focus_event);
if(SUCCEEDED(hres)) {
dispatch_event(&node->event_target, focus_event);
IDOMEvent_Release(&focus_event->IDOMEvent_iface);
}
}
dispatch_event(&node->event_target, event);
IDOMEvent_Release(&event->IDOMEvent_iface);
node_release(node);
return NS_OK;
}
#define EVENTLISTENER_VTBL(handler) \
{ \
nsDOMEventListener_QueryInterface, \
nsDOMEventListener_AddRef, \
nsDOMEventListener_Release, \
handler, \
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}
static const nsIDOMEventListenerVtbl blur_vtbl = EVENTLISTENER_VTBL(handle_blur);
static const nsIDOMEventListenerVtbl focus_vtbl = EVENTLISTENER_VTBL(handle_focus);
static const nsIDOMEventListenerVtbl keypress_vtbl = EVENTLISTENER_VTBL(handle_keypress);
static const nsIDOMEventListenerVtbl load_vtbl = EVENTLISTENER_VTBL(handle_load);
static const nsIDOMEventListenerVtbl htmlevent_vtbl = EVENTLISTENER_VTBL(handle_htmlevent);
static void init_event(nsIDOMEventTarget *target, const PRUnichar *type,
nsIDOMEventListener *listener, BOOL capture)
{
nsAString type_str;
nsresult nsres;
nsAString_InitDepend(&type_str, type);
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nsres = nsIDOMEventTarget_AddEventListener(target, &type_str, listener, capture, FALSE, 1);
nsAString_Finish(&type_str);
if(NS_FAILED(nsres))
ERR("AddEventTarget failed: %08x\n", nsres);
}
static void init_listener(nsEventListener *This, nsDocumentEventListener *listener,
const nsIDOMEventListenerVtbl *vtbl)
{
This->nsIDOMEventListener_iface.lpVtbl = vtbl;
This->This = listener;
}
static nsIDOMEventTarget *get_default_document_target(HTMLDocumentNode *doc)
{
nsIDOMEventTarget *target;
nsISupports *target_iface;
nsresult nsres;
target_iface = doc->window ? (nsISupports*)doc->basedoc.window->nswindow : (nsISupports*)doc->nsdoc;
nsres = nsISupports_QueryInterface(target_iface, &IID_nsIDOMEventTarget, (void**)&target);
return NS_SUCCEEDED(nsres) ? target : NULL;
}
void add_nsevent_listener(HTMLDocumentNode *doc, nsIDOMNode *nsnode, LPCWSTR type)
{
nsIDOMEventTarget *target;
nsresult nsres;
if(nsnode) {
nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIDOMEventTarget, (void**)&target);
assert(nsres == NS_OK);
}else {
target = get_default_document_target(doc);
if(!target)
return;
}
init_event(target, type, &doc->nsevent_listener->htmlevent_listener.nsIDOMEventListener_iface,
TRUE);
nsIDOMEventTarget_Release(target);
}
static void detach_nslistener(HTMLDocumentNode *doc, const WCHAR *type, nsEventListener *listener, cpp_bool is_capture)
{
nsIDOMEventTarget *target;
nsAString type_str;
nsresult nsres;
target = get_default_document_target(doc);
if(!target)
return;
nsAString_InitDepend(&type_str, type);
nsres = nsIDOMEventTarget_RemoveEventListener(target, &type_str,
&listener->nsIDOMEventListener_iface, is_capture);
nsAString_Finish(&type_str);
nsIDOMEventTarget_Release(target);
if(NS_FAILED(nsres))
ERR("RemoveEventTarget failed: %08x\n", nsres);
}
void detach_nsevent(HTMLDocumentNode *doc, const WCHAR *type)
{
detach_nslistener(doc, type, &doc->nsevent_listener->htmlevent_listener, TRUE);
}
void release_nsevents(HTMLDocumentNode *doc)
{
nsDocumentEventListener *listener = doc->nsevent_listener;
TRACE("%p %p\n", doc, doc->nsevent_listener);
if(!listener)
return;
detach_nslistener(doc, L"blur", &listener->blur_listener, TRUE);
detach_nslistener(doc, L"focus", &listener->focus_listener, TRUE);
detach_nslistener(doc, L"keypress", &listener->keypress_listener, FALSE);
detach_nslistener(doc, L"load", &listener->load_listener, TRUE);
listener->doc = NULL;
release_listener(listener);
doc->nsevent_listener = NULL;
}
void init_nsevents(HTMLDocumentNode *doc)
{
nsDocumentEventListener *listener;
nsIDOMEventTarget *target;
listener = heap_alloc(sizeof(nsDocumentEventListener));
if(!listener)
return;
TRACE("%p %p\n", doc, listener);
listener->ref = 1;
listener->doc = doc;
init_listener(&listener->blur_listener, listener, &blur_vtbl);
init_listener(&listener->focus_listener, listener, &focus_vtbl);
init_listener(&listener->keypress_listener, listener, &keypress_vtbl);
init_listener(&listener->load_listener, listener, &load_vtbl);
init_listener(&listener->htmlevent_listener, listener, &htmlevent_vtbl);
doc->nsevent_listener = listener;
target = get_default_document_target(doc);
if(!target)
return;
init_event(target, L"blur", &listener->blur_listener.nsIDOMEventListener_iface, TRUE);
init_event(target, L"focus", &listener->focus_listener.nsIDOMEventListener_iface, TRUE);
init_event(target, L"keypress", &listener->keypress_listener.nsIDOMEventListener_iface, FALSE);
init_event(target, L"load", &listener->load_listener.nsIDOMEventListener_iface, TRUE);
nsIDOMEventTarget_Release(target);
}