Sweden-Number/dlls/mshtml/nsevents.c

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/*
* Copyright 2007 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 "wine/debug.h"
#include "wine/unicode.h"
#include "mshtml_private.h"
#include "htmlevent.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
#define NSEVENTLIST_THIS(iface) DEFINE_THIS(nsEventListener, DOMEventListener, iface)
static nsresult NSAPI nsDOMEventListener_QueryInterface(nsIDOMEventListener *iface,
nsIIDRef riid, nsQIResult result)
{
nsEventListener *This = NSEVENTLIST_THIS(iface);
*result = NULL;
if(IsEqualGUID(&IID_nsISupports, riid)) {
TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
*result = NSEVENTLIST(This);
}else if(IsEqualGUID(&IID_nsIDOMEventListener, riid)) {
TRACE("(%p)->(IID_nsIDOMEventListener %p)\n", This, result);
*result = NSEVENTLIST(This);
}
if(*result) {
nsIWebBrowserChrome_AddRef(NSEVENTLIST(This));
return NS_OK;
}
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
return NS_NOINTERFACE;
}
static nsrefcnt NSAPI nsDOMEventListener_AddRef(nsIDOMEventListener *iface)
{
NSContainer *This = NSEVENTLIST_THIS(iface)->This;
return nsIWebBrowserChrome_AddRef(NSWBCHROME(This));
}
static nsrefcnt NSAPI nsDOMEventListener_Release(nsIDOMEventListener *iface)
{
NSContainer *This = NSEVENTLIST_THIS(iface)->This;
return nsIWebBrowserChrome_Release(NSWBCHROME(This));
}
static BOOL is_doc_child_focus(NSContainer *This)
{
HWND hwnd;
if(!This->doc)
return FALSE;
for(hwnd = GetFocus(); hwnd && hwnd != This->doc->hwnd; hwnd = GetParent(hwnd));
return hwnd == This->doc->hwnd;
}
static nsresult NSAPI handle_blur(nsIDOMEventListener *iface, nsIDOMEvent *event)
{
NSContainer *This = NSEVENTLIST_THIS(iface)->This;
TRACE("(%p)\n", This);
if(!This->reset_focus && This->doc && This->doc->focus && !is_doc_child_focus(This)) {
This->doc->focus = FALSE;
notif_focus(This->doc);
}
return NS_OK;
}
static nsresult NSAPI handle_focus(nsIDOMEventListener *iface, nsIDOMEvent *event)
{
NSContainer *This = NSEVENTLIST_THIS(iface)->This;
TRACE("(%p)\n", This);
if(!This->reset_focus && This->doc && !This->doc->focus) {
This->doc->focus = TRUE;
notif_focus(This->doc);
}
return NS_OK;
}
static nsresult NSAPI handle_keypress(nsIDOMEventListener *iface,
nsIDOMEvent *event)
{
NSContainer *This = NSEVENTLIST_THIS(iface)->This;
TRACE("(%p)->(%p)\n", This, event);
update_doc(This->doc, UPDATE_UI);
if(This->doc->usermode == EDITMODE)
handle_edit_event(This->doc, event);
return NS_OK;
}
static nsresult NSAPI handle_load(nsIDOMEventListener *iface, nsIDOMEvent *event)
{
NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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nsIDOMHTMLElement *nsbody = NULL;
task_t *task;
TRACE("(%p)\n", This);
if(!This->doc)
return NS_OK;
update_nsdocument(This->doc);
connect_scripts(This->doc);
if(This->editor_controller) {
nsIController_Release(This->editor_controller);
This->editor_controller = NULL;
}
if(This->doc->usermode == EDITMODE)
handle_edit_load(This->doc);
task = heap_alloc(sizeof(task_t));
task->doc = This->doc;
task->task_id = TASK_PARSECOMPLETE;
task->next = NULL;
/*
* This should be done in the worker thread that parses HTML,
* but we don't have such thread (Gecko parses HTML for us).
*/
push_task(task);
if(!This->doc->nsdoc) {
ERR("NULL nsdoc\n");
return NS_ERROR_FAILURE;
}
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nsIDOMHTMLDocument_GetBody(This->doc->nsdoc, &nsbody);
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if(nsbody) {
fire_event(This->doc, EVENTID_LOAD, (nsIDOMNode*)nsbody);
nsIDOMHTMLElement_Release(nsbody);
}
return NS_OK;
}
static nsresult NSAPI handle_node_insert(nsIDOMEventListener *iface, nsIDOMEvent *event)
{
NSContainer *This = NSEVENTLIST_THIS(iface)->This;
nsIDOMHTMLScriptElement *script;
nsIDOMEventTarget *target;
nsIDOMElement *elem;
nsresult nsres;
TRACE("(%p %p)\n", This, event);
nsres = nsIDOMEvent_GetTarget(event, &target);
if(NS_FAILED(nsres)) {
ERR("GetTarget failed: %08x\n", nsres);
return NS_OK;
}
nsres = nsIDOMEventTarget_QueryInterface(target, &IID_nsIDOMElement, (void**)&elem);
nsIDOMEventTarget_Release(target);
if(NS_FAILED(nsres))
return NS_OK;
nsres = nsIDOMElement_QueryInterface(elem, &IID_nsIDOMHTMLScriptElement, (void**)&script);
if(SUCCEEDED(nsres)) {
doc_insert_script(This->doc, script);
nsIDOMHTMLScriptElement_Release(script);
}
check_event_attr(This->doc, elem);
nsIDOMNode_Release(elem);
return NS_OK;
}
static nsresult NSAPI handle_htmlevent(nsIDOMEventListener *iface, nsIDOMEvent *event)
{
NSContainer *This = NSEVENTLIST_THIS(iface)->This;
const PRUnichar *type;
nsIDOMEventTarget *event_target;
nsIDOMNode *nsnode;
nsAString type_str;
eventid_t eid;
nsresult nsres;
nsAString_Init(&type_str, NULL);
nsIDOMEvent_GetType(event, &type_str);
nsAString_GetData(&type_str, &type);
eid = str_to_eid(type);
nsAString_Finish(&type_str);
nsres = nsIDOMEvent_GetTarget(event, &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;
}
fire_event(This->doc, eid, nsnode);
nsIDOMNode_Release(nsnode);
return NS_OK;
}
#undef NSEVENTLIST_THIS
#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 node_insert_vtbl = EVENTLISTENER_VTBL(handle_node_insert);
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_Init(&type_str, type);
nsres = nsIDOMEventTarget_AddEventListener(target, &type_str, listener, capture);
nsAString_Finish(&type_str);
if(NS_FAILED(nsres))
ERR("AddEventTarget failed: %08x\n", nsres);
}
static void init_listener(nsEventListener *This, NSContainer *container,
const nsIDOMEventListenerVtbl *vtbl)
{
This->lpDOMEventListenerVtbl = vtbl;
This->This = container;
}
void add_nsevent_listener(NSContainer *container, LPCWSTR type)
{
nsIDOMWindow *dom_window;
nsIDOMEventTarget *target;
nsresult nsres;
nsres = nsIWebBrowser_GetContentDOMWindow(container->webbrowser, &dom_window);
if(NS_FAILED(nsres)) {
ERR("GetContentDOMWindow failed: %08x\n", nsres);
return;
}
nsres = nsIDOMWindow_QueryInterface(dom_window, &IID_nsIDOMEventTarget, (void**)&target);
nsIDOMWindow_Release(dom_window);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMEventTarget interface: %08x\n", nsres);
return;
}
init_event(target, type, NSEVENTLIST(&container->htmlevent_listener), TRUE);
nsIDOMEventTarget_Release(target);
}
void init_nsevents(NSContainer *This)
{
nsIDOMWindow *dom_window;
nsIDOMEventTarget *target;
nsresult nsres;
static const PRUnichar wsz_blur[] = {'b','l','u','r',0};
static const PRUnichar wsz_focus[] = {'f','o','c','u','s',0};
static const PRUnichar wsz_keypress[] = {'k','e','y','p','r','e','s','s',0};
static const PRUnichar wsz_load[] = {'l','o','a','d',0};
static const PRUnichar DOMNodeInsertedW[] =
{'D','O','M','N','o','d','e','I','n','s','e','r','t','e','d',0};
init_listener(&This->blur_listener, This, &blur_vtbl);
init_listener(&This->focus_listener, This, &focus_vtbl);
init_listener(&This->keypress_listener, This, &keypress_vtbl);
init_listener(&This->load_listener, This, &load_vtbl);
init_listener(&This->node_insert_listener, This, &node_insert_vtbl);
init_listener(&This->htmlevent_listener, This, &htmlevent_vtbl);
nsres = nsIWebBrowser_GetContentDOMWindow(This->webbrowser, &dom_window);
if(NS_FAILED(nsres)) {
ERR("GetContentDOMWindow failed: %08x\n", nsres);
return;
}
nsres = nsIDOMWindow_QueryInterface(dom_window, &IID_nsIDOMEventTarget, (void**)&target);
nsIDOMWindow_Release(dom_window);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMEventTarget interface: %08x\n", nsres);
return;
}
init_event(target, wsz_blur, NSEVENTLIST(&This->blur_listener), TRUE);
init_event(target, wsz_focus, NSEVENTLIST(&This->focus_listener), TRUE);
init_event(target, wsz_keypress, NSEVENTLIST(&This->keypress_listener), FALSE);
init_event(target, wsz_load, NSEVENTLIST(&This->load_listener), TRUE);
init_event(target, DOMNodeInsertedW,NSEVENTLIST(&This->node_insert_listener),TRUE);
nsIDOMEventTarget_Release(target);
}