huwcampbell.com
Reactos
1/*
2 * Copyright 2009 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#include "mshtml_private.h"
20
21typedef struct {
22 DispatchEx dispex;
23 IHTMLScreen IHTMLScreen_iface;
24
25 LONG ref;
26} HTMLScreen;
27
28static inline HTMLScreen *impl_from_IHTMLScreen(IHTMLScreen *iface)
29{
30 return CONTAINING_RECORD(iface, HTMLScreen, IHTMLScreen_iface);
31}
32
33static HRESULT WINAPI HTMLScreen_QueryInterface(IHTMLScreen *iface, REFIID riid, void **ppv)
34{
35 HTMLScreen *This = impl_from_IHTMLScreen(iface);
36
37 TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
38
39 if(IsEqualGUID(&IID_IUnknown, riid)) {
40 *ppv = &This->IHTMLScreen_iface;
41 }else if(IsEqualGUID(&IID_IHTMLScreen, riid)) {
42 *ppv = &This->IHTMLScreen_iface;
43 }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
44 return *ppv ? S_OK : E_NOINTERFACE;
45 }else {
46 *ppv = NULL;
47 WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
48 return E_NOINTERFACE;
49 }
50
51 IUnknown_AddRef((IUnknown*)*ppv);
52 return S_OK;
53}
54
55static ULONG WINAPI HTMLScreen_AddRef(IHTMLScreen *iface)
56{
57 HTMLScreen *This = impl_from_IHTMLScreen(iface);
58 LONG ref = InterlockedIncrement(&This->ref);
59
60 TRACE("(%p) ref=%d\n", This, ref);
61
62 return ref;
63}
64
65static ULONG WINAPI HTMLScreen_Release(IHTMLScreen *iface)
66{
67 HTMLScreen *This = impl_from_IHTMLScreen(iface);
68 LONG ref = InterlockedDecrement(&This->ref);
69
70 TRACE("(%p) ref=%d\n", This, ref);
71
72 if(!ref) {
73 release_dispex(&This->dispex);
74 heap_free(This);
75 }
76
77 return ref;
78}
79
80static HRESULT WINAPI HTMLScreen_GetTypeInfoCount(IHTMLScreen *iface, UINT *pctinfo)
81{
82 HTMLScreen *This = impl_from_IHTMLScreen(iface);
83 return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
84}
85
86static HRESULT WINAPI HTMLScreen_GetTypeInfo(IHTMLScreen *iface, UINT iTInfo,
87 LCID lcid, ITypeInfo **ppTInfo)
88{
89 HTMLScreen *This = impl_from_IHTMLScreen(iface);
90 return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
91}
92
93static HRESULT WINAPI HTMLScreen_GetIDsOfNames(IHTMLScreen *iface, REFIID riid,
94 LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
95{
96 HTMLScreen *This = impl_from_IHTMLScreen(iface);
97 return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
98 lcid, rgDispId);
99}
100
101static HRESULT WINAPI HTMLScreen_Invoke(IHTMLScreen *iface, DISPID dispIdMember,
102 REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
103 VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
104{
105 HTMLScreen *This = impl_from_IHTMLScreen(iface);
106 return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags,
107 pDispParams, pVarResult, pExcepInfo, puArgErr);
108}
109
110static HRESULT WINAPI HTMLScreen_get_colorDepth(IHTMLScreen *iface, LONG *p)
111{
112 HTMLScreen *This = impl_from_IHTMLScreen(iface);
113
114 TRACE("(%p)->(%p)\n", This, p);
115
116 *p = GetDeviceCaps(get_display_dc(), BITSPIXEL);
117 return S_OK;
118}
119
120static HRESULT WINAPI HTMLScreen_put_bufferDepth(IHTMLScreen *iface, LONG v)
121{
122 HTMLScreen *This = impl_from_IHTMLScreen(iface);
123 FIXME("(%p)->(%d)\n", This, v);
124 return E_NOTIMPL;
125}
126
127static HRESULT WINAPI HTMLScreen_get_bufferDepth(IHTMLScreen *iface, LONG *p)
128{
129 HTMLScreen *This = impl_from_IHTMLScreen(iface);
130 FIXME("(%p)->(%p)\n", This, p);
131 return E_NOTIMPL;
132}
133
134static HRESULT WINAPI HTMLScreen_get_width(IHTMLScreen *iface, LONG *p)
135{
136 HTMLScreen *This = impl_from_IHTMLScreen(iface);
137
138 TRACE("(%p)->(%p)\n", This, p);
139
140 *p = GetDeviceCaps(get_display_dc(), HORZRES);
141 return S_OK;
142}
143
144static HRESULT WINAPI HTMLScreen_get_height(IHTMLScreen *iface, LONG *p)
145{
146 HTMLScreen *This = impl_from_IHTMLScreen(iface);
147
148 TRACE("(%p)->(%p)\n", This, p);
149
150 *p = GetDeviceCaps(get_display_dc(), VERTRES);
151 return S_OK;
152}
153
154static HRESULT WINAPI HTMLScreen_put_updateInterval(IHTMLScreen *iface, LONG v)
155{
156 HTMLScreen *This = impl_from_IHTMLScreen(iface);
157 FIXME("(%p)->(%d)\n", This, v);
158 return E_NOTIMPL;
159}
160
161static HRESULT WINAPI HTMLScreen_get_updateInterval(IHTMLScreen *iface, LONG *p)
162{
163 HTMLScreen *This = impl_from_IHTMLScreen(iface);
164 FIXME("(%p)->(%p)\n", This, p);
165 return E_NOTIMPL;
166}
167
168static HRESULT WINAPI HTMLScreen_get_availHeight(IHTMLScreen *iface, LONG *p)
169{
170 HTMLScreen *This = impl_from_IHTMLScreen(iface);
171 RECT work_area;
172
173 TRACE("(%p)->(%p)\n", This, p);
174
175 if(!SystemParametersInfoW(SPI_GETWORKAREA, 0, &work_area, 0))
176 return E_FAIL;
177
178 *p = work_area.bottom-work_area.top;
179 return S_OK;
180}
181
182static HRESULT WINAPI HTMLScreen_get_availWidth(IHTMLScreen *iface, LONG *p)
183{
184 HTMLScreen *This = impl_from_IHTMLScreen(iface);
185 RECT work_area;
186
187 TRACE("(%p)->(%p)\n", This, p);
188
189 if(!SystemParametersInfoW(SPI_GETWORKAREA, 0, &work_area, 0))
190 return E_FAIL;
191
192 *p = work_area.right-work_area.left;
193 return S_OK;
194}
195
196static HRESULT WINAPI HTMLScreen_get_fontSmoothingEnabled(IHTMLScreen *iface, VARIANT_BOOL *p)
197{
198 HTMLScreen *This = impl_from_IHTMLScreen(iface);
199 FIXME("(%p)->(%p)\n", This, p);
200 return E_NOTIMPL;
201}
202
203static const IHTMLScreenVtbl HTMLSreenVtbl = {
204 HTMLScreen_QueryInterface,
205 HTMLScreen_AddRef,
206 HTMLScreen_Release,
207 HTMLScreen_GetTypeInfoCount,
208 HTMLScreen_GetTypeInfo,
209 HTMLScreen_GetIDsOfNames,
210 HTMLScreen_Invoke,
211 HTMLScreen_get_colorDepth,
212 HTMLScreen_put_bufferDepth,
213 HTMLScreen_get_bufferDepth,
214 HTMLScreen_get_width,
215 HTMLScreen_get_height,
216 HTMLScreen_put_updateInterval,
217 HTMLScreen_get_updateInterval,
218 HTMLScreen_get_availHeight,
219 HTMLScreen_get_availWidth,
220 HTMLScreen_get_fontSmoothingEnabled
221};
222
223static const tid_t HTMLScreen_iface_tids[] = {
224 IHTMLScreen_tid,
225 0
226};
227static dispex_static_data_t HTMLScreen_dispex = {
228 NULL,
229 DispHTMLScreen_tid,
230 NULL,
231 HTMLScreen_iface_tids
232};
233
234HRESULT HTMLScreen_Create(IHTMLScreen **ret)
235{
236 HTMLScreen *screen;
237
238 screen = heap_alloc_zero(sizeof(HTMLScreen));
239 if(!screen)
240 return E_OUTOFMEMORY;
241
242 screen->IHTMLScreen_iface.lpVtbl = &HTMLSreenVtbl;
243 screen->ref = 1;
244
245 init_dispex(&screen->dispex, (IUnknown*)&screen->IHTMLScreen_iface, &HTMLScreen_dispex);
246
247 *ret = &screen->IHTMLScreen_iface;
248 return S_OK;
249}