text: /*
   * Copyright 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
   */
  
  typedef enum {
      EVENTID_ABORT,
      EVENTID_BEFOREACTIVATE,
      EVENTID_BEFOREUNLOAD,
      EVENTID_BLUR,
      EVENTID_CHANGE,
      EVENTID_CLICK,
      EVENTID_CONTEXTMENU,
      EVENTID_DATAAVAILABLE,
      EVENTID_DBLCLICK,
      EVENTID_DOMCONTENTLOADED,
      EVENTID_DRAG,
      EVENTID_DRAGSTART,
      EVENTID_ERROR,
      EVENTID_FOCUS,
      EVENTID_FOCUSIN,
      EVENTID_FOCUSOUT,
      EVENTID_HELP,
      EVENTID_KEYDOWN,
      EVENTID_KEYPRESS,
      EVENTID_KEYUP,
      EVENTID_LOAD,
      EVENTID_MESSAGE,
      EVENTID_MOUSEDOWN,
      EVENTID_MOUSEMOVE,
      EVENTID_MOUSEOUT,
      EVENTID_MOUSEOVER,
      EVENTID_MOUSEUP,
      EVENTID_MOUSEWHEEL,
      EVENTID_PASTE,
      EVENTID_READYSTATECHANGE,
      EVENTID_RESIZE,
      EVENTID_SCROLL,
      EVENTID_SELECTIONCHANGE,
      EVENTID_SELECTSTART,
      EVENTID_SUBMIT,
      EVENTID_UNLOAD,
      EVENTID_LAST
  } eventid_t;
  
  typedef struct {
      DispatchEx dispex;
      IDOMEvent IDOMEvent_iface;
  
      LONG ref;
  
      nsIDOMEvent *nsevent;
      eventid_t event_id;
      WCHAR *type;
      EventTarget *target;
      EventTarget *current_target;
      ULONGLONG time_stamp;
      BOOL bubbles;
      BOOL cancelable;
      BOOL prevent_default;
      BOOL stop_propagation;
      DOM_EVENT_PHASE phase;
  
      IHTMLEventObj *event_obj;
      BOOL no_event_obj;
  } DOMEvent;
  
  void check_event_attr(HTMLDocumentNode*,nsIDOMHTMLElement*) DECLSPEC_HIDDEN;
  void release_event_target(EventTarget*) DECLSPEC_HIDDEN;
  HRESULT set_event_handler(EventTarget*,eventid_t,VARIANT*) DECLSPEC_HIDDEN;
  HRESULT get_event_handler(EventTarget*,eventid_t,VARIANT*) DECLSPEC_HIDDEN;
  HRESULT attach_event(EventTarget*,BSTR,IDispatch*,VARIANT_BOOL*) DECLSPEC_HIDDEN;
  HRESULT detach_event(EventTarget*,BSTR,IDispatch*) DECLSPEC_HIDDEN;
  HRESULT fire_event(HTMLDOMNode*,const WCHAR*,VARIANT*,VARIANT_BOOL*) DECLSPEC_HIDDEN;
  void update_doc_cp_events(HTMLDocumentNode*,cp_static_data_t*) DECLSPEC_HIDDEN;
  HRESULT doc_init_events(HTMLDocumentNode*) DECLSPEC_HIDDEN;
  void detach_events(HTMLDocumentNode *doc) DECLSPEC_HIDDEN;
  HRESULT create_event_obj(IHTMLEventObj**) DECLSPEC_HIDDEN;
  void bind_target_event(HTMLDocumentNode*,EventTarget*,const WCHAR*,IDispatch*) DECLSPEC_HIDDEN;
  HRESULT ensure_doc_nsevent_handler(HTMLDocumentNode*,eventid_t) DECLSPEC_HIDDEN;
  
  void dispatch_event(EventTarget*,DOMEvent*) DECLSPEC_HIDDEN;
  
  HRESULT create_document_event(HTMLDocumentNode*,eventid_t,DOMEvent**) DECLSPEC_HIDDEN;
  HRESULT create_document_event_str(HTMLDocumentNode*,const WCHAR*,IDOMEvent**) DECLSPEC_HIDDEN;
  HRESULT create_event_from_nsevent(nsIDOMEvent*,DOMEvent**) DECLSPEC_HIDDEN;
  
  void init_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
  void release_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
  void add_nsevent_listener(HTMLDocumentNode*,nsIDOMNode*,LPCWSTR) DECLSPEC_HIDDEN;
  void detach_nsevent(HTMLDocumentNode*,const WCHAR*) DECLSPEC_HIDDEN;
  
  /* We extend dispex vtbl for EventTarget functions to avoid separated vtbl. */
  typedef struct {
      dispex_static_data_vtbl_t dispex_vtbl;
      void (*bind_event)(DispatchEx*,eventid_t);
      EventTarget *(*get_parent_event_target)(DispatchEx*);
      HRESULT (*handle_event_default)(DispatchEx*,eventid_t,nsIDOMEvent*,BOOL*);
      ConnectionPointContainer *(*get_cp_container)(DispatchEx*);
      IHTMLEventObj *(*set_current_event)(DispatchEx*,IHTMLEventObj*);
  } event_target_vtbl_t;
  
  IHTMLEventObj *default_set_current_event(HTMLInnerWindow*,IHTMLEventObj*) DECLSPEC_HIDDEN;
  
  static inline EventTarget *get_node_event_prop_target(HTMLDOMNode *node, eventid_t eid)
  {
      return node->vtbl->get_event_prop_target ? node->vtbl->get_event_prop_target(node, eid) : &node->event_target;
  }
  
  static inline HRESULT set_node_event(HTMLDOMNode *node, eventid_t eid, VARIANT *var)
  {
      return set_event_handler(get_node_event_prop_target(node, eid), eid, var);
  }
  
  static inline HRESULT get_node_event(HTMLDOMNode *node, eventid_t eid, VARIANT *var)
  {
      return get_event_handler(get_node_event_prop_target(node, eid), eid, var);
  }
  
  static inline HRESULT set_doc_event(HTMLDocument *doc, eventid_t eid, VARIANT *var)
  {
      return set_event_handler(&doc->doc_node->node.event_target, eid, var);
  }
  
  static inline HRESULT get_doc_event(HTMLDocument *doc, eventid_t eid, VARIANT *var)
  {
      return get_event_handler(&doc->doc_node->node.event_target, eid, var);
  }
  