reactos/base/shell/ie/mshtml/htmlscreen.c

   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
  21 typedef struct {
  22     DispatchEx dispex;
  23     IHTMLScreen IHTMLScreen_iface;
  24
  25     LONG ref;
  26 } HTMLScreen;
  27
  28 static inline HTMLScreen *impl_from_IHTMLScreen(IHTMLScreen *iface)
  29 {
  30     return CONTAINING_RECORD(iface, HTMLScreen, IHTMLScreen_iface);
  31 }
  32
  33 static 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
  55 static 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
  65 static 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
  80 static 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
  86 static 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
  93 static 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
 101 static 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
 110 static 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
 120 static 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
 127 static 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
 134 static 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
 144 static 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
 154 static 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
 161 static 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
 168 static 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
 182 static 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
 196 static 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
 203 static 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
 223 static const tid_t HTMLScreen_iface_tids[] = {
 224     IHTMLScreen_tid,
 225     0
 226 };
 227 static dispex_static_data_t HTMLScreen_dispex = {
 228     NULL,
 229     DispHTMLScreen_tid,
 230     NULL,
 231     HTMLScreen_iface_tids
 232 };
 233
 234 HRESULT 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 }