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![Gabriel Ivăncescu](/assets/img/avatar_default.png)
Otherwise, script56.chm's javascript will keep reloading the image and triggering onload events non-stop. It protects against this using a variable "noReentry", which is only set temporarily while setting the source, so it expects it to be triggered synchronously. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=53927 Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
630 lines
18 KiB
C
630 lines
18 KiB
C
/*
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* Copyright 2007-2008 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "ole2.h"
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#include "mshtmcid.h"
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#include "shlguid.h"
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#include "wine/debug.h"
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#include "mshtml_private.h"
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#include "htmlscript.h"
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#include "htmlevent.h"
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#include "binding.h"
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#include "resource.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
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typedef nsresult (*handler_t)(HTMLDocumentNode*,nsIDOMEvent*);
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typedef struct {
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nsIDOMEventListener nsIDOMEventListener_iface;
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nsDocumentEventListener *This;
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handler_t handler;
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} nsEventListener;
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static nsresult handle_blur(HTMLDocumentNode*,nsIDOMEvent*);
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static nsresult handle_focus(HTMLDocumentNode*,nsIDOMEvent*);
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static nsresult handle_keypress(HTMLDocumentNode*,nsIDOMEvent*);
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static nsresult handle_dom_content_loaded(HTMLDocumentNode*,nsIDOMEvent*);
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static nsresult handle_pageshow(HTMLDocumentNode*,nsIDOMEvent*);
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static nsresult handle_pagehide(HTMLDocumentNode*,nsIDOMEvent*);
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static nsresult handle_load(HTMLDocumentNode*,nsIDOMEvent*);
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static nsresult handle_beforeunload(HTMLDocumentNode*,nsIDOMEvent*);
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static nsresult handle_unload(HTMLDocumentNode*,nsIDOMEvent*);
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enum doc_event_listener_flags {
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BUBBLES = 0x0001,
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OVERRIDE = 0x0002,
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};
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static const struct {
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eventid_t id;
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enum doc_event_listener_flags flags;
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handler_t handler;
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} doc_event_listeners[] = {
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{ EVENTID_BLUR, 0, handle_blur },
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{ EVENTID_FOCUS, 0, handle_focus },
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{ EVENTID_KEYPRESS, BUBBLES, handle_keypress },
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{ EVENTID_DOMCONTENTLOADED, OVERRIDE, handle_dom_content_loaded },
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{ EVENTID_PAGESHOW, OVERRIDE, handle_pageshow },
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{ EVENTID_PAGEHIDE, OVERRIDE, handle_pagehide },
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{ EVENTID_LOAD, OVERRIDE, handle_load },
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{ EVENTID_BEFOREUNLOAD, OVERRIDE, handle_beforeunload },
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{ EVENTID_UNLOAD, OVERRIDE, handle_unload },
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};
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struct nsDocumentEventListener {
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nsEventListener listener[ARRAY_SIZE(doc_event_listeners)];
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nsEventListener htmlevent_listener;
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LONG ref;
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HTMLDocumentNode *doc;
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};
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static LONG release_listener(nsDocumentEventListener *This)
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{
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LONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) ref=%ld\n", This, ref);
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if(!ref)
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free(This);
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return ref;
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}
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static inline nsEventListener *impl_from_nsIDOMEventListener(nsIDOMEventListener *iface)
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{
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return CONTAINING_RECORD(iface, nsEventListener, nsIDOMEventListener_iface);
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}
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static nsresult NSAPI nsDOMEventListener_QueryInterface(nsIDOMEventListener *iface,
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nsIIDRef riid, void **result)
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{
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nsEventListener *This = impl_from_nsIDOMEventListener(iface);
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*result = NULL;
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if(IsEqualGUID(&IID_nsISupports, riid)) {
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TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
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*result = &This->nsIDOMEventListener_iface;
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}else if(IsEqualGUID(&IID_nsIDOMEventListener, riid)) {
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TRACE("(%p)->(IID_nsIDOMEventListener %p)\n", This, result);
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*result = &This->nsIDOMEventListener_iface;
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}
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if(*result) {
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nsIDOMEventListener_AddRef(&This->nsIDOMEventListener_iface);
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return NS_OK;
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}
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
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return NS_NOINTERFACE;
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}
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static nsrefcnt NSAPI nsDOMEventListener_AddRef(nsIDOMEventListener *iface)
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{
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nsEventListener *This = impl_from_nsIDOMEventListener(iface);
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LONG ref = InterlockedIncrement(&This->This->ref);
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TRACE("(%p) ref=%ld\n", This->This, ref);
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return ref;
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}
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static nsrefcnt NSAPI nsDOMEventListener_Release(nsIDOMEventListener *iface)
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{
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nsEventListener *This = impl_from_nsIDOMEventListener(iface);
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return release_listener(This->This);
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}
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static nsresult NSAPI nsDOMEventListener_HandleEvent(nsIDOMEventListener *iface, nsIDOMEvent *event)
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{
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nsEventListener *This = impl_from_nsIDOMEventListener(iface);
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HTMLDocumentNode *doc = This->This->doc;
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HTMLInnerWindow *window;
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nsresult nsres;
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if(!doc) {
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WARN("NULL doc!\n");
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return NS_ERROR_FAILURE;
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}
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/* Hold a ref to the window, as some apps load another document during handlers */
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window = doc->window;
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if(window)
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IHTMLWindow2_AddRef(&window->base.IHTMLWindow2_iface);
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nsres = This->handler(doc, event);
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if(window)
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IHTMLWindow2_Release(&window->base.IHTMLWindow2_iface);
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return nsres;
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}
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static const nsIDOMEventListenerVtbl nsDOMEventListenerVtbl = {
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nsDOMEventListener_QueryInterface,
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nsDOMEventListener_AddRef,
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nsDOMEventListener_Release,
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nsDOMEventListener_HandleEvent
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};
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static BOOL is_doc_child_focus(GeckoBrowser *nscontainer)
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{
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HWND hwnd;
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for(hwnd = GetFocus(); hwnd && hwnd != nscontainer->hwnd; hwnd = GetParent(hwnd));
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return hwnd != NULL;
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}
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static nsresult handle_blur(HTMLDocumentNode *doc, nsIDOMEvent *event)
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{
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HTMLDocumentObj *doc_obj;
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TRACE("(%p)\n", doc);
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if(!doc->doc_obj)
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return NS_ERROR_FAILURE;
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doc_obj = doc->doc_obj;
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if(doc_obj->focus && !is_doc_child_focus(doc_obj->nscontainer)) {
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doc_obj->focus = FALSE;
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notif_focus(doc_obj);
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}
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return NS_OK;
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}
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static nsresult handle_focus(HTMLDocumentNode *doc, nsIDOMEvent *event)
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{
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HTMLDocumentObj *doc_obj;
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TRACE("(%p)\n", doc);
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doc_obj = doc->doc_obj;
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if(!doc_obj->focus) {
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doc_obj->focus = TRUE;
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notif_focus(doc_obj);
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}
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return NS_OK;
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}
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static nsresult handle_keypress(HTMLDocumentNode *doc, nsIDOMEvent *event)
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{
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if(!doc->browser)
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return NS_ERROR_FAILURE;
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TRACE("(%p)->(%p)\n", doc, event);
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update_doc(doc->browser->doc, UPDATE_UI);
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if(doc->browser->usermode == EDITMODE)
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handle_edit_event(doc, event);
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return NS_OK;
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}
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static nsresult handle_dom_content_loaded(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
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{
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DOMEvent *event;
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HRESULT hres;
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if(doc->window)
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doc->window->performance_timing->dom_content_loaded_event_start_time = get_time_stamp();
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hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
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if(SUCCEEDED(hres)) {
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dispatch_event(&doc->node.event_target, event);
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IDOMEvent_Release(&event->IDOMEvent_iface);
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}
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if(doc->window)
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doc->window->performance_timing->dom_content_loaded_event_end_time = get_time_stamp();
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return NS_OK;
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}
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static nsresult handle_pageshow(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
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{
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HTMLInnerWindow *window;
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DOMEvent *event;
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HRESULT hres;
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if(!(window = doc->window) || !doc->dom_document || doc->document_mode < COMPAT_MODE_IE11)
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return NS_OK;
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hres = create_document_event(doc, EVENTID_PAGESHOW, &event);
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if(SUCCEEDED(hres)) {
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dispatch_event(&window->event_target, event);
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IDOMEvent_Release(&event->IDOMEvent_iface);
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}
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return NS_OK;
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}
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static nsresult handle_pagehide(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
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{
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HTMLInnerWindow *window;
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DOMEvent *event;
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HRESULT hres;
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if(!(window = doc->window) || !doc->dom_document || doc->document_mode < COMPAT_MODE_IE11 || doc->unload_sent)
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return NS_OK;
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hres = create_document_event(doc, EVENTID_PAGEHIDE, &event);
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if(SUCCEEDED(hres)) {
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dispatch_event(&window->event_target, event);
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IDOMEvent_Release(&event->IDOMEvent_iface);
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}
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return NS_OK;
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}
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static void handle_docobj_load(HTMLDocumentObj *doc)
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{
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IOleCommandTarget *olecmd = NULL;
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HRESULT hres;
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if(doc->nscontainer->editor_controller) {
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nsIController_Release(doc->nscontainer->editor_controller);
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doc->nscontainer->editor_controller = NULL;
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}
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if(doc->nscontainer->usermode == EDITMODE)
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setup_editor_controller(doc->nscontainer);
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if(doc->client) {
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hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
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if(FAILED(hres))
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olecmd = NULL;
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}
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if(doc->download_state) {
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if(olecmd) {
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VARIANT progress;
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V_VT(&progress) = VT_I4;
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V_I4(&progress) = 0;
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IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS,
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OLECMDEXECOPT_DONTPROMPTUSER, &progress, NULL);
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}
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set_download_state(doc, 0);
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}
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if(olecmd) {
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IOleCommandTarget_Exec(olecmd, &CGID_ShellDocView, 103, 0, NULL, NULL);
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IOleCommandTarget_Exec(olecmd, &CGID_MSHTML, IDM_PARSECOMPLETE, 0, NULL, NULL);
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IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_HTTPEQUIV_DONE, 0, NULL, NULL);
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IOleCommandTarget_Release(olecmd);
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}
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}
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static nsresult handle_load(HTMLDocumentNode *doc, nsIDOMEvent *event)
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{
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HTMLDocumentObj *doc_obj = NULL;
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DOMEvent *load_event;
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HRESULT hres;
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TRACE("(%p)\n", doc);
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if(!doc->outer_window)
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return NS_ERROR_FAILURE;
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if(doc->doc_obj && doc->doc_obj->doc_node == doc)
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doc_obj = doc->doc_obj;
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connect_scripts(doc->window);
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if(doc_obj)
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handle_docobj_load(doc_obj);
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doc->window->performance_timing->dom_complete_time = get_time_stamp();
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set_ready_state(doc->outer_window, READYSTATE_COMPLETE);
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if(doc_obj) {
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if(doc_obj->view_sink)
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IAdviseSink_OnViewChange(doc_obj->view_sink, DVASPECT_CONTENT, -1);
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set_statustext(doc_obj, IDS_STATUS_DONE, NULL);
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update_title(doc_obj);
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}
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if(doc_obj && doc_obj->doc_object_service && !(doc->outer_window->load_flags & BINDING_REFRESH))
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IDocObjectService_FireDocumentComplete(doc_obj->doc_object_service,
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&doc->outer_window->base.IHTMLWindow2_iface, 0);
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doc->window->performance_timing->load_event_start_time = get_time_stamp();
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if(doc->dom_document) {
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hres = create_document_event(doc, EVENTID_LOAD, &load_event);
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if(SUCCEEDED(hres)) {
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dispatch_event(&doc->node.event_target, load_event);
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IDOMEvent_Release(&load_event->IDOMEvent_iface);
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}
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}else {
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WARN("no dom_document\n");
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}
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hres = create_event_from_nsevent(event, dispex_compat_mode(&doc->node.event_target.dispex), &load_event);
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if(SUCCEEDED(hres)) {
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dispatch_event(&doc->window->event_target, load_event);
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IDOMEvent_Release(&load_event->IDOMEvent_iface);
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}
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doc->window->performance_timing->load_event_end_time = get_time_stamp();
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return NS_OK;
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}
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static nsresult handle_beforeunload(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
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{
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HTMLInnerWindow *window;
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DOMEvent *event;
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HRESULT hres;
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if(!(window = doc->window))
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return NS_OK;
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/* Gecko dispatches this to the document, but IE dispatches it to the window */
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hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
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if(SUCCEEDED(hres)) {
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dispatch_event(&window->event_target, event);
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IDOMEvent_Release(&event->IDOMEvent_iface);
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}
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return NS_OK;
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}
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static nsresult handle_unload(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
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{
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HTMLPerformanceTiming *timing = NULL;
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HTMLInnerWindow *window;
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DOMEvent *event;
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HRESULT hres;
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if(!(window = doc->window) || doc->unload_sent)
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return NS_OK;
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doc->unload_sent = TRUE;
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if(window->base.outer_window->pending_window)
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timing = window->base.outer_window->pending_window->performance_timing;
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if(timing)
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timing->unload_event_start_time = get_time_stamp();
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hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
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if(SUCCEEDED(hres)) {
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dispatch_event(&window->event_target, event);
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IDOMEvent_Release(&event->IDOMEvent_iface);
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}
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if(timing)
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timing->unload_event_end_time = get_time_stamp();
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return NS_OK;
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}
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static nsresult handle_htmlevent(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
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{
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const event_target_vtbl_t *target_vtbl;
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nsIDOMEventTarget *event_target;
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EventTarget *target;
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nsIDOMNode *nsnode;
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DOMEvent *event;
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nsresult nsres;
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HRESULT hres;
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TRACE("%p\n", doc);
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nsres = nsIDOMEvent_GetTarget(nsevent, &event_target);
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if(NS_FAILED(nsres) || !event_target) {
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ERR("GetEventTarget failed: %08lx\n", nsres);
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return NS_OK;
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}
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nsres = nsIDOMEventTarget_QueryInterface(event_target, &IID_nsIDOMNode, (void**)&nsnode);
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nsIDOMEventTarget_Release(event_target);
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if(NS_FAILED(nsres)) {
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if(!doc->window)
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return NS_OK;
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target = &doc->window->event_target;
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IHTMLWindow2_AddRef(&doc->window->base.IHTMLWindow2_iface);
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}else {
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HTMLDOMNode *node;
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hres = get_node(nsnode, TRUE, &node);
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nsIDOMNode_Release(nsnode);
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if(FAILED(hres))
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return NS_OK;
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target = &node->event_target;
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}
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hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
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if(FAILED(hres)) {
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IEventTarget_Release(&target->IEventTarget_iface);
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return NS_OK;
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}
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/* If we fine need for more special cases here, we may consider handling it in a more generic way. */
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if(event->event_id == EVENTID_FOCUS || event->event_id == EVENTID_BLUR) {
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DOMEvent *focus_event;
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hres = create_document_event(doc, event->event_id == EVENTID_FOCUS ? EVENTID_FOCUSIN : EVENTID_FOCUSOUT, &focus_event);
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if(SUCCEEDED(hres)) {
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dispatch_event(target, focus_event);
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IDOMEvent_Release(&focus_event->IDOMEvent_iface);
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}
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}
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target_vtbl = dispex_get_vtbl(&target->dispex);
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if(target_vtbl && target_vtbl->dispatch_nsevent_hook &&
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target_vtbl->dispatch_nsevent_hook(&target->dispex, event) == S_OK) {
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/* overridden by hook, so cancel it */
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nsIDOMEvent_StopPropagation(nsevent);
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}else {
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dispatch_event(target, event);
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}
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IDOMEvent_Release(&event->IDOMEvent_iface);
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IEventTarget_Release(&target->IEventTarget_iface);
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return NS_OK;
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}
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|
|
static void init_event(nsIDOMEventTarget *target, const PRUnichar *type,
|
|
nsIDOMEventListener *listener, BOOL capture)
|
|
{
|
|
nsAString type_str;
|
|
nsresult nsres;
|
|
|
|
nsAString_InitDepend(&type_str, type);
|
|
nsres = nsIDOMEventTarget_AddEventListener(target, &type_str, listener, capture, FALSE, 1);
|
|
nsAString_Finish(&type_str);
|
|
if(NS_FAILED(nsres))
|
|
ERR("AddEventTarget failed: %08lx\n", nsres);
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|
|
|
}
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|
|
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static void init_listener(nsEventListener *This, nsDocumentEventListener *listener, handler_t handler)
|
|
{
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|
This->nsIDOMEventListener_iface.lpVtbl = &nsDOMEventListenerVtbl;
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This->handler = handler;
|
|
This->This = listener;
|
|
}
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|
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static nsIDOMEventTarget *get_default_document_target(HTMLDocumentNode *doc)
|
|
{
|
|
nsIDOMEventTarget *target;
|
|
nsISupports *target_iface;
|
|
nsresult nsres;
|
|
|
|
target_iface = doc->window ? (nsISupports*)doc->outer_window->nswindow : (nsISupports*)doc->dom_document;
|
|
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: %08lx\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;
|
|
unsigned i;
|
|
|
|
TRACE("%p %p\n", doc, doc->nsevent_listener);
|
|
|
|
if(!listener)
|
|
return;
|
|
|
|
for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++)
|
|
detach_nslistener(doc, get_event_name(doc_event_listeners[i].id), &listener->listener[i], !(doc_event_listeners[i].flags & BUBBLES));
|
|
|
|
listener->doc = NULL;
|
|
release_listener(listener);
|
|
doc->nsevent_listener = NULL;
|
|
}
|
|
|
|
void init_nsevents(HTMLDocumentNode *doc)
|
|
{
|
|
nsDocumentEventListener *listener;
|
|
nsIDOMEventTarget *target;
|
|
unsigned i;
|
|
|
|
listener = malloc(sizeof(nsDocumentEventListener));
|
|
if(!listener)
|
|
return;
|
|
|
|
TRACE("%p %p\n", doc, listener);
|
|
|
|
listener->ref = 1;
|
|
listener->doc = doc;
|
|
|
|
for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++)
|
|
init_listener(&listener->listener[i], listener, doc_event_listeners[i].handler);
|
|
init_listener(&listener->htmlevent_listener, listener, handle_htmlevent);
|
|
|
|
doc->nsevent_listener = listener;
|
|
|
|
target = get_default_document_target(doc);
|
|
if(!target)
|
|
return;
|
|
|
|
for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++) {
|
|
init_event(target, get_event_name(doc_event_listeners[i].id), &listener->listener[i].nsIDOMEventListener_iface,
|
|
!(doc_event_listeners[i].flags & BUBBLES));
|
|
|
|
if(doc_event_listeners[i].flags & OVERRIDE)
|
|
doc->event_vector[doc_event_listeners[i].id] = TRUE;
|
|
}
|
|
|
|
nsIDOMEventTarget_Release(target);
|
|
}
|