dlls/mshtml/htmlevent.h

   1 /*
   2  * Copyright 2008 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 typedef enum {
  20     EVENTID_ABORT,
  21     EVENTID_BEFOREACTIVATE,
  22     EVENTID_BEFOREUNLOAD,
  23     EVENTID_BLUR,
  24     EVENTID_CHANGE,
  25     EVENTID_CLICK,
  26     EVENTID_CONTEXTMENU,
  27     EVENTID_DATAAVAILABLE,
  28     EVENTID_DBLCLICK,
  29     EVENTID_DRAG,
  30     EVENTID_DRAGSTART,
  31     EVENTID_ERROR,
  32     EVENTID_FOCUS,
  33     EVENTID_FOCUSIN,
  34     EVENTID_FOCUSOUT,
  35     EVENTID_HELP,
  36     EVENTID_KEYDOWN,
  37     EVENTID_KEYPRESS,
  38     EVENTID_KEYUP,
  39     EVENTID_LOAD,
  40     EVENTID_MESSAGE,
  41     EVENTID_MOUSEDOWN,
  42     EVENTID_MOUSEMOVE,
  43     EVENTID_MOUSEOUT,
  44     EVENTID_MOUSEOVER,
  45     EVENTID_MOUSEUP,
  46     EVENTID_MOUSEWHEEL,
  47     EVENTID_PASTE,
  48     EVENTID_READYSTATECHANGE,
  49     EVENTID_RESIZE,
  50     EVENTID_SCROLL,
  51     EVENTID_SELECTIONCHANGE,
  52     EVENTID_SELECTSTART,
  53     EVENTID_SUBMIT,
  54     EVENTID_UNLOAD,
  55     EVENTID_LAST
  56 } eventid_t;
  57
  58 typedef struct {
  59     DispatchEx dispex;
  60     IDOMEvent IDOMEvent_iface;
  61
  62     LONG ref;
  63
  64     nsIDOMEvent *nsevent;
  65     eventid_t event_id;
  66     EventTarget *target;
  67     BOOL prevent_default;
  68     BOOL stop_propagation;
  69
  70     IHTMLEventObj *event_obj;
  71     BOOL no_event_obj;
  72 } DOMEvent;
  73
  74 eventid_t str_to_eid(LPCWSTR) DECLSPEC_HIDDEN;
  75 void check_event_attr(HTMLDocumentNode*,nsIDOMHTMLElement*) DECLSPEC_HIDDEN;
  76 void release_event_target(EventTarget*) DECLSPEC_HIDDEN;
  77 void fire_event(HTMLDocumentNode*,eventid_t,BOOL,EventTarget*,nsIDOMEvent*) DECLSPEC_HIDDEN;
  78 HRESULT set_event_handler(EventTarget*,eventid_t,VARIANT*) DECLSPEC_HIDDEN;
  79 HRESULT get_event_handler(EventTarget*,eventid_t,VARIANT*) DECLSPEC_HIDDEN;
  80 HRESULT attach_event(EventTarget*,BSTR,IDispatch*,VARIANT_BOOL*) DECLSPEC_HIDDEN;
  81 HRESULT detach_event(EventTarget*,BSTR,IDispatch*) DECLSPEC_HIDDEN;
  82 HRESULT dispatch_event(HTMLDOMNode*,const WCHAR*,VARIANT*,VARIANT_BOOL*) DECLSPEC_HIDDEN;
  83 void update_doc_cp_events(HTMLDocumentNode*,cp_static_data_t*) DECLSPEC_HIDDEN;
  84 HRESULT doc_init_events(HTMLDocumentNode*) DECLSPEC_HIDDEN;
  85 void detach_events(HTMLDocumentNode *doc) DECLSPEC_HIDDEN;
  86 HRESULT create_event_obj(IHTMLEventObj**) DECLSPEC_HIDDEN;
  87 void bind_target_event(HTMLDocumentNode*,EventTarget*,const WCHAR*,IDispatch*) DECLSPEC_HIDDEN;
  88 HRESULT ensure_doc_nsevent_handler(HTMLDocumentNode*,eventid_t) DECLSPEC_HIDDEN;
  89
  90 void call_event_handlers(EventTarget*,DOMEvent*);
  91
  92 HRESULT create_document_event_str(HTMLDocumentNode*,const WCHAR*,IDOMEvent**) DECLSPEC_HIDDEN;
  93 HRESULT create_event_from_nsevent(nsIDOMEvent*,DOMEvent**) DECLSPEC_HIDDEN;
  94
  95 void init_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
  96 void release_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
  97 void add_nsevent_listener(HTMLDocumentNode*,nsIDOMNode*,LPCWSTR) DECLSPEC_HIDDEN;
  98 void detach_nsevent(HTMLDocumentNode*,const WCHAR*) DECLSPEC_HIDDEN;
  99
 100 /* We extend dispex vtbl for EventTarget functions to avoid separated vtbl. */
 101 typedef struct {
 102     dispex_static_data_vtbl_t dispex_vtbl;
 103     void (*bind_event)(DispatchEx*,eventid_t);
 104     EventTarget *(*get_parent_event_target)(DispatchEx*);
 105     HRESULT (*handle_event_default)(DispatchEx*,eventid_t,nsIDOMEvent*,BOOL*);
 106     ConnectionPointContainer *(*get_cp_container)(DispatchEx*);
 107     IHTMLEventObj *(*set_current_event)(DispatchEx*,IHTMLEventObj*);
 108 } event_target_vtbl_t;
 109
 110 IHTMLEventObj *default_set_current_event(HTMLInnerWindow*,IHTMLEventObj*) DECLSPEC_HIDDEN;
 111
 112 static inline EventTarget *get_node_event_prop_target(HTMLDOMNode *node, eventid_t eid)
 113 {
 114     return node->vtbl->get_event_prop_target ? node->vtbl->get_event_prop_target(node, eid) : &node->event_target;
 115 }
 116
 117 static inline HRESULT set_node_event(HTMLDOMNode *node, eventid_t eid, VARIANT *var)
 118 {
 119     return set_event_handler(get_node_event_prop_target(node, eid), eid, var);
 120 }
 121
 122 static inline HRESULT get_node_event(HTMLDOMNode *node, eventid_t eid, VARIANT *var)
 123 {
 124     return get_event_handler(get_node_event_prop_target(node, eid), eid, var);
 125 }
 126
 127 static inline HRESULT set_doc_event(HTMLDocument *doc, eventid_t eid, VARIANT *var)
 128 {
 129     return set_event_handler(&doc->doc_node->node.event_target, eid, var);
 130 }
 131
 132 static inline HRESULT get_doc_event(HTMLDocument *doc, eventid_t eid, VARIANT *var)
 133 {
 134     return get_event_handler(&doc->doc_node->node.event_target, eid, var);
 135 }