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[wine] / dlls / shdocvw / events.c
1 /*
2  * Implementation of event-related interfaces for WebBrowser control:
3  *
4  *  - IConnectionPointContainer
5  *  - IConnectionPoint
6  *
7  * Copyright 2001 John R. Sheets (for CodeWeavers)
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  */
23
24 #include <string.h>
25 #include "wine/debug.h"
26 #include "shdocvw.h"
27
28 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
29
30 typedef struct {
31     const IConnectionPointVtbl *lpConnectionPointVtbl;
32
33     WebBrowser *webbrowser;
34
35     IID iid;
36 } ConnectionPoint;
37
38 #define CONPOINT(x)  ((IConnectionPoint*) &(x)->lpConnectionPointVtbl)
39
40 /**********************************************************************
41  * Implement the IConnectionPointContainer interface
42  */
43
44 #define CONPTCONT_THIS(iface) DEFINE_THIS(WebBrowser, ConnectionPointContainer, iface)
45
46 static HRESULT WINAPI ConnectionPointContainer_QueryInterface(IConnectionPointContainer *iface,
47         REFIID riid, LPVOID *ppobj)
48 {
49     WebBrowser *This = CONPTCONT_THIS(iface);
50     return IWebBrowser_QueryInterface(WEBBROWSER(This), riid, ppobj);
51 }
52
53 static ULONG WINAPI ConnectionPointContainer_AddRef(IConnectionPointContainer *iface)
54 {
55     WebBrowser *This = CONPTCONT_THIS(iface);
56     return IWebBrowser_AddRef(WEBBROWSER(This));
57 }
58
59 static ULONG WINAPI ConnectionPointContainer_Release(IConnectionPointContainer *iface)
60 {
61     WebBrowser *This = CONPTCONT_THIS(iface);
62     return IWebBrowser_Release(WEBBROWSER(This));
63 }
64
65 static HRESULT WINAPI ConnectionPointContainer_EnumConnectionPoints(IConnectionPointContainer *iface,
66         LPENUMCONNECTIONPOINTS *ppEnum)
67 {
68     WebBrowser *This = CONPTCONT_THIS(iface);
69     FIXME("(%p)->(%p)\n", This, ppEnum);
70     return E_NOTIMPL;
71 }
72
73 static HRESULT WINAPI ConnectionPointContainer_FindConnectionPoint(IConnectionPointContainer *iface,
74         REFIID riid, LPCONNECTIONPOINT *ppCP)
75 {
76     WebBrowser *This = CONPTCONT_THIS(iface);
77
78     if(!ppCP) {
79         WARN("ppCP == NULL\n");
80         return E_POINTER;
81     }
82
83     *ppCP = NULL;
84
85     if(IsEqualGUID(&DIID_DWebBrowserEvents2, riid)) {
86         TRACE("(%p)->(DIID_DWebBrowserEvents2 %p)\n", This, ppCP);
87         *ppCP = This->cp_wbe2;
88     }else if(IsEqualGUID(&DIID_DWebBrowserEvents, riid)) {
89         TRACE("(%p)->(DIID_DWebBrowserEvents %p)\n", This, ppCP);
90         *ppCP = This->cp_wbe;
91     }else if(IsEqualGUID(&IID_IPropertyNotifySink, riid)) {
92         TRACE("(%p)->(IID_IPropertyNotifySink %p)\n", This, ppCP);
93         *ppCP = This->cp_pns;
94     }
95
96     if(*ppCP) {
97         IConnectionPoint_AddRef(*ppCP);
98         return S_OK;
99     }
100
101     WARN("Unsupported IID %s\n", debugstr_guid(riid));
102     return E_NOINTERFACE;
103 }
104
105 #undef CONPTCONT_THIS
106
107 static const IConnectionPointContainerVtbl ConnectionPointContainerVtbl =
108 {
109     ConnectionPointContainer_QueryInterface,
110     ConnectionPointContainer_AddRef,
111     ConnectionPointContainer_Release,
112     ConnectionPointContainer_EnumConnectionPoints,
113     ConnectionPointContainer_FindConnectionPoint
114 };
115
116
117 /**********************************************************************
118  * Implement the IConnectionPoint interface
119  */
120
121 #define CONPOINT_THIS(iface) DEFINE_THIS(ConnectionPoint, ConnectionPoint, iface)
122
123 static HRESULT WINAPI ConnectionPoint_QueryInterface(IConnectionPoint *iface,
124                                                      REFIID riid, LPVOID *ppv)
125 {
126     ConnectionPoint *This = CONPOINT_THIS(iface);
127
128     *ppv = NULL;
129
130     if(IsEqualGUID(&IID_IUnknown, riid)) {
131         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
132         *ppv = CONPOINT(This);
133     }else if(IsEqualGUID(&IID_IConnectionPoint, riid)) {
134         TRACE("(%p)->(IID_IConnectionPoint %p)\n", This, ppv);
135         *ppv = CONPOINT(This);
136     }
137
138     if(*ppv) {
139         IWebBrowser2_AddRef(WEBBROWSER(This->webbrowser));
140         return S_OK;
141     }
142
143     WARN("Unsupported interface %s\n", debugstr_guid(riid));
144     return E_NOINTERFACE;
145 }
146
147 static ULONG WINAPI ConnectionPoint_AddRef(IConnectionPoint *iface)
148 {
149     ConnectionPoint *This = CONPOINT_THIS(iface);
150     return IWebBrowser2_AddRef(WEBBROWSER(This->webbrowser));
151 }
152
153 static ULONG WINAPI ConnectionPoint_Release(IConnectionPoint *iface)
154 {
155     ConnectionPoint *This = CONPOINT_THIS(iface);
156     return IWebBrowser2_Release(WEBBROWSER(This->webbrowser));
157 }
158
159 static HRESULT WINAPI ConnectionPoint_GetConnectionInterface(IConnectionPoint *iface, IID *pIID)
160 {
161     ConnectionPoint *This = CONPOINT_THIS(iface);
162
163     TRACE("(%p)->(%p)\n", This, pIID);
164
165     memcpy(pIID, &This->iid, sizeof(IID));
166     return S_OK;
167 }
168
169 static HRESULT WINAPI ConnectionPoint_GetConnectionPointContainer(IConnectionPoint *iface,
170         IConnectionPointContainer **ppCPC)
171 {
172     ConnectionPoint *This = CONPOINT_THIS(iface);
173
174     TRACE("(%p)->(%p)\n", This, ppCPC);
175
176     *ppCPC = CONPTCONT(This->webbrowser);
177     return S_OK;
178 }
179
180 static HRESULT WINAPI ConnectionPoint_Advise(IConnectionPoint *iface, IUnknown *pUnkSink,
181                                              DWORD *pdwCookie)
182 {
183     ConnectionPoint *This = CONPOINT_THIS(iface);
184     FIXME("(%p)->(%p %p)\n", This, pUnkSink, pdwCookie);
185     return E_NOTIMPL;
186 }
187
188 static HRESULT WINAPI ConnectionPoint_Unadvise(IConnectionPoint *iface, DWORD dwCookie)
189 {
190     ConnectionPoint *This = CONPOINT_THIS(iface);
191     FIXME("(%p)->(%ld)\n", This, dwCookie);
192     return E_NOTIMPL;
193 }
194
195 static HRESULT WINAPI ConnectionPoint_EnumConnections(IConnectionPoint *iface,
196                                                       IEnumConnections **ppEnum)
197 {
198     ConnectionPoint *This = CONPOINT_THIS(iface);
199     FIXME("(%p)->(%p)\n", This, ppEnum);
200     return E_NOTIMPL;
201 }
202
203 #undef CONPOINT_THIS
204
205 static const IConnectionPointVtbl ConnectionPointVtbl =
206 {
207     ConnectionPoint_QueryInterface,
208     ConnectionPoint_AddRef,
209     ConnectionPoint_Release,
210     ConnectionPoint_GetConnectionInterface,
211     ConnectionPoint_GetConnectionPointContainer,
212     ConnectionPoint_Advise,
213     ConnectionPoint_Unadvise,
214     ConnectionPoint_EnumConnections
215 };
216
217 static void ConnectionPoint_Create(WebBrowser *wb, REFIID riid, IConnectionPoint **cp)
218 {
219     ConnectionPoint *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(ConnectionPoint));
220
221     ret->lpConnectionPointVtbl = &ConnectionPointVtbl;
222     ret->webbrowser = wb;
223     memcpy(&ret->iid, riid, sizeof(IID));
224
225     *cp = CONPOINT(ret);
226 }
227
228 void WebBrowser_Events_Init(WebBrowser *This)
229 {
230     This->lpConnectionPointContainerVtbl = &ConnectionPointContainerVtbl;
231
232     ConnectionPoint_Create(This, &DIID_DWebBrowserEvents2, &This->cp_wbe2);
233     ConnectionPoint_Create(This, &DIID_DWebBrowserEvents, &This->cp_wbe);
234     ConnectionPoint_Create(This, &IID_IPropertyNotifySink, &This->cp_pns);
235 }
236
237 void WebBrowser_Events_Destroy(WebBrowser *This)
238 {
239     HeapFree(GetProcessHeap(), 0, This->cp_wbe2);
240     HeapFree(GetProcessHeap(), 0, This->cp_wbe);
241     HeapFree(GetProcessHeap(), 0, This->cp_pns);
242 }