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_DOMCONTENTLOADED,
  30     EVENTID_DRAG,
  31     EVENTID_DRAGSTART,
  32     EVENTID_ERROR,
  33     EVENTID_FOCUS,
  34     EVENTID_FOCUSIN,
  35     EVENTID_FOCUSOUT,
  36     EVENTID_HELP,
  37     EVENTID_KEYDOWN,
  38     EVENTID_KEYPRESS,
  39     EVENTID_KEYUP,
  40     EVENTID_LOAD,
  41     EVENTID_MESSAGE,
  42     EVENTID_MOUSEDOWN,
  43     EVENTID_MOUSEMOVE,
  44     EVENTID_MOUSEOUT,
  45     EVENTID_MOUSEOVER,
  46     EVENTID_MOUSEUP,
  47     EVENTID_MOUSEWHEEL,
  48     EVENTID_PASTE,
  49     EVENTID_READYSTATECHANGE,
  50     EVENTID_RESIZE,
  51     EVENTID_SCROLL,
  52     EVENTID_SELECTIONCHANGE,
  53     EVENTID_SELECTSTART,
  54     EVENTID_SUBMIT,
  55     EVENTID_UNLOAD,
  56     EVENTID_LAST
  57 } eventid_t;
  58
  59 typedef struct {
  60     DispatchEx dispex;
  61     IDOMEvent IDOMEvent_iface;
  62
  63     LONG ref;
  64
  65     nsIDOMEvent *nsevent;
  66     eventid_t event_id;
  67     WCHAR *type;
  68     EventTarget *target;
  69     EventTarget *current_target;
  70     ULONGLONG time_stamp;
  71     BOOL bubbles;
  72     BOOL cancelable;
  73     BOOL prevent_default;
  74     BOOL stop_propagation;
  75     DOM_EVENT_PHASE phase;
  76
  77     IHTMLEventObj *event_obj;
  78     BOOL no_event_obj;
  79 } DOMEvent;
  80
  81 void check_event_attr(HTMLDocumentNode*,nsIDOMHTMLElement*) DECLSPEC_HIDDEN;
  82 void release_event_target(EventTarget*) DECLSPEC_HIDDEN;
  83 HRESULT set_event_handler(EventTarget*,eventid_t,VARIANT*) DECLSPEC_HIDDEN;
  84 HRESULT get_event_handler(EventTarget*,eventid_t,VARIANT*) DECLSPEC_HIDDEN;
  85 HRESULT attach_event(EventTarget*,BSTR,IDispatch*,VARIANT_BOOL*) DECLSPEC_HIDDEN;
  86 HRESULT detach_event(EventTarget*,BSTR,IDispatch*) DECLSPEC_HIDDEN;
  87 HRESULT fire_event(HTMLDOMNode*,const WCHAR*,VARIANT*,VARIANT_BOOL*) DECLSPEC_HIDDEN;
  88 void update_doc_cp_events(HTMLDocumentNode*,cp_static_data_t*) DECLSPEC_HIDDEN;
  89 HRESULT doc_init_events(HTMLDocumentNode*) DECLSPEC_HIDDEN;
  90 void detach_events(HTMLDocumentNode *doc) DECLSPEC_HIDDEN;
  91 HRESULT create_event_obj(IHTMLEventObj**) DECLSPEC_HIDDEN;
  92 void bind_target_event(HTMLDocumentNode*,EventTarget*,const WCHAR*,IDispatch*) DECLSPEC_HIDDEN;
  93 HRESULT ensure_doc_nsevent_handler(HTMLDocumentNode*,eventid_t) DECLSPEC_HIDDEN;
  94
  95 void dispatch_event(EventTarget*,DOMEvent*) DECLSPEC_HIDDEN;
  96
  97 HRESULT create_document_event(HTMLDocumentNode*,eventid_t,DOMEvent**) DECLSPEC_HIDDEN;
  98 HRESULT create_document_event_str(HTMLDocumentNode*,const WCHAR*,IDOMEvent**) DECLSPEC_HIDDEN;
  99 HRESULT create_event_from_nsevent(nsIDOMEvent*,DOMEvent**) DECLSPEC_HIDDEN;
 100
 101 void init_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 102 void release_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 103 void add_nsevent_listener(HTMLDocumentNode*,nsIDOMNode*,LPCWSTR) DECLSPEC_HIDDEN;
 104 void detach_nsevent(HTMLDocumentNode*,const WCHAR*) DECLSPEC_HIDDEN;
 105
 106 /* We extend dispex vtbl for EventTarget functions to avoid separated vtbl. */
 107 typedef struct {
 108     dispex_static_data_vtbl_t dispex_vtbl;
 109     void (*bind_event)(DispatchEx*,eventid_t);
 110     EventTarget *(*get_parent_event_target)(DispatchEx*);
 111     HRESULT (*handle_event_default)(DispatchEx*,eventid_t,nsIDOMEvent*,BOOL*);
 112     ConnectionPointContainer *(*get_cp_container)(DispatchEx*);
 113     IHTMLEventObj *(*set_current_event)(DispatchEx*,IHTMLEventObj*);
 114 } event_target_vtbl_t;
 115
 116 IHTMLEventObj *default_set_current_event(HTMLInnerWindow*,IHTMLEventObj*) DECLSPEC_HIDDEN;
 117
 118 static inline EventTarget *get_node_event_prop_target(HTMLDOMNode *node, eventid_t eid)
 119 {
 120     return node->vtbl->get_event_prop_target ? node->vtbl->get_event_prop_target(node, eid) : &node->event_target;
 121 }
 122
 123 static inline HRESULT set_node_event(HTMLDOMNode *node, eventid_t eid, VARIANT *var)
 124 {
 125     return set_event_handler(get_node_event_prop_target(node, eid), eid, var);
 126 }
 127
 128 static inline HRESULT get_node_event(HTMLDOMNode *node, eventid_t eid, VARIANT *var)
 129 {
 130     return get_event_handler(get_node_event_prop_target(node, eid), eid, var);
 131 }
 132
 133 static inline HRESULT set_doc_event(HTMLDocument *doc, eventid_t eid, VARIANT *var)
 134 {
 135     return set_event_handler(&doc->doc_node->node.event_target, eid, var);
 136 }
 137
 138 static inline HRESULT get_doc_event(HTMLDocument *doc, eventid_t eid, VARIANT *var)
 139 {
 140     return get_event_handler(&doc->doc_node->node.event_target, eid, var);
 141 }