518 lines
14 KiB
C
518 lines
14 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 "config.h"
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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 "wine/debug.h"
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#include "wine/unicode.h"
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#include "mshtml_private.h"
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#include "htmlevent.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
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#define NSEVENTLIST_THIS(iface) DEFINE_THIS(nsEventListener, DOMEventListener, iface)
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static nsresult NSAPI nsDOMEventListener_QueryInterface(nsIDOMEventListener *iface,
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nsIIDRef riid, nsQIResult result)
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{
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nsEventListener *This = NSEVENTLIST_THIS(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 = NSEVENTLIST(This);
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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 = NSEVENTLIST(This);
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}
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if(*result) {
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nsIWebBrowserChrome_AddRef(NSEVENTLIST(This));
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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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NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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return nsIWebBrowserChrome_AddRef(NSWBCHROME(This));
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}
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static nsrefcnt NSAPI nsDOMEventListener_Release(nsIDOMEventListener *iface)
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{
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NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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return nsIWebBrowserChrome_Release(NSWBCHROME(This));
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}
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static BOOL is_doc_child_focus(NSContainer *This)
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{
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HWND hwnd;
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if(!This->doc)
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return FALSE;
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for(hwnd = GetFocus(); hwnd && hwnd != This->doc->hwnd; hwnd = GetParent(hwnd));
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return hwnd == This->doc->hwnd;
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}
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static nsresult NSAPI handle_blur(nsIDOMEventListener *iface, nsIDOMEvent *event)
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{
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NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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TRACE("(%p)\n", This);
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if(!This->reset_focus && This->doc && This->doc->focus && !is_doc_child_focus(This)) {
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This->doc->focus = FALSE;
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notif_focus(This->doc);
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}
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return NS_OK;
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}
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static nsresult NSAPI handle_focus(nsIDOMEventListener *iface, nsIDOMEvent *event)
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{
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NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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TRACE("(%p)\n", This);
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if(!This->reset_focus && This->doc && !This->doc->focus) {
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This->doc->focus = TRUE;
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notif_focus(This->doc);
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}
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return NS_OK;
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}
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static nsresult NSAPI handle_keypress(nsIDOMEventListener *iface,
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nsIDOMEvent *event)
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{
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NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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TRACE("(%p)->(%p)\n", This, event);
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update_doc(This->doc, UPDATE_UI);
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if(This->doc->usermode == EDITMODE)
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handle_edit_event(This->doc, event);
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return NS_OK;
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}
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static nsresult NSAPI handle_load(nsIDOMEventListener *iface, nsIDOMEvent *event)
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{
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NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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nsIDOMHTMLElement *nsbody = NULL;
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task_t *task;
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TRACE("(%p)\n", This);
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if(!This->doc)
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return NS_OK;
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update_nsdocument(This->doc);
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connect_scripts(This->doc);
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if(This->editor_controller) {
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nsIController_Release(This->editor_controller);
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This->editor_controller = NULL;
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}
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if(This->doc->usermode == EDITMODE)
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handle_edit_load(This->doc);
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task = heap_alloc(sizeof(task_t));
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task->doc = This->doc;
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task->task_id = TASK_PARSECOMPLETE;
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task->next = NULL;
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/*
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* This should be done in the worker thread that parses HTML,
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* but we don't have such thread (Gecko parses HTML for us).
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*/
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push_task(task);
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if(!This->doc->nsdoc) {
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ERR("NULL nsdoc\n");
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return NS_ERROR_FAILURE;
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}
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nsIDOMHTMLDocument_GetBody(This->doc->nsdoc, &nsbody);
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if(nsbody) {
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fire_event(This->doc, EVENTID_LOAD, (nsIDOMNode*)nsbody);
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nsIDOMHTMLElement_Release(nsbody);
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}
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return NS_OK;
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}
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#define IE_MAJOR_VERSION 7
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#define IE_MINOR_VERSION 0
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static BOOL handle_insert_comment(HTMLDocument *doc, const PRUnichar *comment)
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{
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DWORD len;
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int majorv = 0, minorv = 0;
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const PRUnichar *ptr, *end;
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nsAString nsstr;
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PRUnichar *buf;
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nsresult nsres;
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enum {
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CMP_EQ,
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CMP_LT,
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CMP_LTE,
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CMP_GT,
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CMP_GTE
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} cmpt = CMP_EQ;
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static const PRUnichar endifW[] = {'<','!','[','e','n','d','i','f',']'};
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if(comment[0] != '[' || comment[1] != 'i' || comment[2] != 'f')
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return FALSE;
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ptr = comment+3;
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while(isspaceW(*ptr))
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ptr++;
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if(ptr[0] == 'l' && ptr[1] == 't') {
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ptr += 2;
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if(*ptr == 'e') {
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cmpt = CMP_LTE;
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ptr++;
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}else {
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cmpt = CMP_LT;
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}
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}else if(ptr[0] == 'g' && ptr[1] == 't') {
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ptr += 2;
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if(*ptr == 'e') {
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cmpt = CMP_GTE;
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ptr++;
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}else {
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cmpt = CMP_GT;
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}
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}
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if(!isspaceW(*ptr++))
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return FALSE;
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while(isspaceW(*ptr))
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ptr++;
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if(ptr[0] != 'I' || ptr[1] != 'E')
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return FALSE;
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ptr +=2;
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if(!isspaceW(*ptr++))
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return FALSE;
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while(isspaceW(*ptr))
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ptr++;
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if(!isdigitW(*ptr))
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return FALSE;
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while(isdigitW(*ptr))
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majorv = majorv*10 + (*ptr++ - '0');
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if(*ptr == '.') {
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if(!isdigitW(*ptr))
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return FALSE;
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while(isdigitW(*ptr))
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minorv = minorv*10 + (*ptr++ - '0');
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}
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while(isspaceW(*ptr))
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ptr++;
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if(ptr[0] != ']' || ptr[1] != '>')
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return FALSE;
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ptr += 2;
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len = strlenW(ptr);
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if(len < sizeof(endifW)/sizeof(WCHAR))
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return FALSE;
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end = ptr + len-sizeof(endifW)/sizeof(WCHAR);
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if(memcmp(end, endifW, sizeof(endifW)))
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return FALSE;
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switch(cmpt) {
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case CMP_EQ:
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if(majorv == IE_MAJOR_VERSION && minorv == IE_MINOR_VERSION)
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break;
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return FALSE;
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case CMP_LT:
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if(majorv > IE_MAJOR_VERSION)
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break;
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if(majorv == IE_MAJOR_VERSION && minorv > IE_MINOR_VERSION)
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break;
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return FALSE;
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case CMP_LTE:
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if(majorv > IE_MAJOR_VERSION)
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break;
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if(majorv == IE_MAJOR_VERSION && minorv >= IE_MINOR_VERSION)
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break;
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return FALSE;
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case CMP_GT:
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if(majorv < IE_MAJOR_VERSION)
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break;
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if(majorv == IE_MAJOR_VERSION && minorv < IE_MINOR_VERSION)
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break;
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return FALSE;
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case CMP_GTE:
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if(majorv < IE_MAJOR_VERSION)
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break;
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if(majorv == IE_MAJOR_VERSION && minorv <= IE_MINOR_VERSION)
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break;
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return FALSE;
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}
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buf = heap_alloc((end-ptr+1)*sizeof(WCHAR));
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if(!buf)
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return FALSE;
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memcpy(buf, ptr, (end-ptr)*sizeof(WCHAR));
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buf[end-ptr] = 0;
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nsAString_Init(&nsstr, buf);
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heap_free(buf);
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/* FIXME: Find better way to insert HTML to document. */
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nsres = nsIDOMHTMLDocument_Write(doc->nsdoc, &nsstr);
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nsAString_Finish(&nsstr);
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if(NS_FAILED(nsres)) {
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ERR("Write failed: %08x\n", nsres);
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return FALSE;
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}
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return TRUE;
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}
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static nsresult NSAPI handle_node_insert(nsIDOMEventListener *iface, nsIDOMEvent *event)
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{
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NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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nsIDOMEventTarget *target;
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nsIDOMComment *nscomment;
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nsIDOMElement *elem;
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nsresult nsres;
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TRACE("(%p %p)\n", This, event);
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nsres = nsIDOMEvent_GetTarget(event, &target);
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if(NS_FAILED(nsres)) {
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ERR("GetTarget failed: %08x\n", nsres);
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return NS_OK;
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}
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nsres = nsIDOMEventTarget_QueryInterface(target, &IID_nsIDOMElement, (void**)&elem);
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if(NS_SUCCEEDED(nsres)) {
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nsIDOMHTMLScriptElement *script;
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nsres = nsIDOMElement_QueryInterface(elem, &IID_nsIDOMHTMLScriptElement, (void**)&script);
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if(NS_SUCCEEDED(nsres)) {
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doc_insert_script(This->doc, script);
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nsIDOMHTMLScriptElement_Release(script);
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}
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check_event_attr(This->doc, elem);
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nsIDOMEventTarget_Release(target);
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nsIDOMNode_Release(elem);
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return NS_OK;
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}
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nsres = nsIDOMEventTarget_QueryInterface(target, &IID_nsIDOMComment, (void**)&nscomment);
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if(NS_SUCCEEDED(nsres)) {
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nsAString comment_str;
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BOOL remove_comment = FALSE;
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nsAString_Init(&comment_str, NULL);
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nsres = nsIDOMComment_GetData(nscomment, &comment_str);
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if(NS_SUCCEEDED(nsres)) {
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const PRUnichar *comment;
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nsAString_GetData(&comment_str, &comment);
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remove_comment = handle_insert_comment(This->doc, comment);
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}
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nsAString_Finish(&comment_str);
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if(remove_comment) {
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nsIDOMNode *nsparent, *tmp;
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nsIDOMComment_GetParentNode(nscomment, &nsparent);
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nsIDOMNode_RemoveChild(nsparent, (nsIDOMNode*)nscomment, &tmp);
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nsIDOMNode_Release(nsparent);
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nsIDOMNode_Release(tmp);
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}
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nsIDOMComment_Release(nscomment);
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}
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return NS_OK;
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}
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static nsresult NSAPI handle_htmlevent(nsIDOMEventListener *iface, nsIDOMEvent *event)
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{
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NSContainer *This = NSEVENTLIST_THIS(iface)->This;
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const PRUnichar *type;
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nsIDOMEventTarget *event_target;
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nsIDOMNode *nsnode;
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nsAString type_str;
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eventid_t eid;
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nsresult nsres;
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nsAString_Init(&type_str, NULL);
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nsIDOMEvent_GetType(event, &type_str);
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nsAString_GetData(&type_str, &type);
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eid = str_to_eid(type);
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nsAString_Finish(&type_str);
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nsres = nsIDOMEvent_GetTarget(event, &event_target);
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if(NS_FAILED(nsres) || !event_target) {
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ERR("GetEventTarget failed: %08x\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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ERR("Could not get nsIDOMNode: %08x\n", nsres);
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return NS_OK;
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}
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fire_event(This->doc, eid, nsnode);
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nsIDOMNode_Release(nsnode);
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return NS_OK;
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}
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#undef NSEVENTLIST_THIS
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#define EVENTLISTENER_VTBL(handler) \
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{ \
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nsDOMEventListener_QueryInterface, \
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nsDOMEventListener_AddRef, \
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nsDOMEventListener_Release, \
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handler, \
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}
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static const nsIDOMEventListenerVtbl blur_vtbl = EVENTLISTENER_VTBL(handle_blur);
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static const nsIDOMEventListenerVtbl focus_vtbl = EVENTLISTENER_VTBL(handle_focus);
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static const nsIDOMEventListenerVtbl keypress_vtbl = EVENTLISTENER_VTBL(handle_keypress);
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static const nsIDOMEventListenerVtbl load_vtbl = EVENTLISTENER_VTBL(handle_load);
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static const nsIDOMEventListenerVtbl node_insert_vtbl = EVENTLISTENER_VTBL(handle_node_insert);
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static const nsIDOMEventListenerVtbl htmlevent_vtbl = EVENTLISTENER_VTBL(handle_htmlevent);
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static void init_event(nsIDOMEventTarget *target, const PRUnichar *type,
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nsIDOMEventListener *listener, BOOL capture)
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{
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nsAString type_str;
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nsresult nsres;
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nsAString_Init(&type_str, type);
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nsres = nsIDOMEventTarget_AddEventListener(target, &type_str, listener, capture);
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nsAString_Finish(&type_str);
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if(NS_FAILED(nsres))
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ERR("AddEventTarget failed: %08x\n", nsres);
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}
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static void init_listener(nsEventListener *This, NSContainer *container,
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const nsIDOMEventListenerVtbl *vtbl)
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{
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This->lpDOMEventListenerVtbl = vtbl;
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This->This = container;
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}
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void add_nsevent_listener(NSContainer *container, LPCWSTR type)
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{
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nsIDOMWindow *dom_window;
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nsIDOMEventTarget *target;
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nsresult nsres;
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nsres = nsIWebBrowser_GetContentDOMWindow(container->webbrowser, &dom_window);
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if(NS_FAILED(nsres)) {
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ERR("GetContentDOMWindow failed: %08x\n", nsres);
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return;
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}
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nsres = nsIDOMWindow_QueryInterface(dom_window, &IID_nsIDOMEventTarget, (void**)&target);
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nsIDOMWindow_Release(dom_window);
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if(NS_FAILED(nsres)) {
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ERR("Could not get nsIDOMEventTarget interface: %08x\n", nsres);
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return;
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}
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init_event(target, type, NSEVENTLIST(&container->htmlevent_listener), TRUE);
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nsIDOMEventTarget_Release(target);
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}
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void init_nsevents(NSContainer *This)
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{
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nsIDOMWindow *dom_window;
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nsIDOMEventTarget *target;
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nsresult nsres;
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static const PRUnichar wsz_blur[] = {'b','l','u','r',0};
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static const PRUnichar wsz_focus[] = {'f','o','c','u','s',0};
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static const PRUnichar wsz_keypress[] = {'k','e','y','p','r','e','s','s',0};
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static const PRUnichar wsz_load[] = {'l','o','a','d',0};
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static const PRUnichar DOMNodeInsertedW[] =
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{'D','O','M','N','o','d','e','I','n','s','e','r','t','e','d',0};
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init_listener(&This->blur_listener, This, &blur_vtbl);
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init_listener(&This->focus_listener, This, &focus_vtbl);
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init_listener(&This->keypress_listener, This, &keypress_vtbl);
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init_listener(&This->load_listener, This, &load_vtbl);
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init_listener(&This->node_insert_listener, This, &node_insert_vtbl);
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init_listener(&This->htmlevent_listener, This, &htmlevent_vtbl);
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nsres = nsIWebBrowser_GetContentDOMWindow(This->webbrowser, &dom_window);
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if(NS_FAILED(nsres)) {
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ERR("GetContentDOMWindow failed: %08x\n", nsres);
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return;
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}
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nsres = nsIDOMWindow_QueryInterface(dom_window, &IID_nsIDOMEventTarget, (void**)&target);
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nsIDOMWindow_Release(dom_window);
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if(NS_FAILED(nsres)) {
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ERR("Could not get nsIDOMEventTarget interface: %08x\n", nsres);
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return;
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}
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init_event(target, wsz_blur, NSEVENTLIST(&This->blur_listener), TRUE);
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init_event(target, wsz_focus, NSEVENTLIST(&This->focus_listener), TRUE);
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init_event(target, wsz_keypress, NSEVENTLIST(&This->keypress_listener), FALSE);
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init_event(target, wsz_load, NSEVENTLIST(&This->load_listener), TRUE);
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init_event(target, DOMNodeInsertedW,NSEVENTLIST(&This->node_insert_listener),TRUE);
|
|
|
|
nsIDOMEventTarget_Release(target);
|
|
}
|