dlls/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 <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27
  28 #include "wine/debug.h"
  29
  30 #include "mshtml_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  33
  34 typedef struct {
  35     DispatchEx dispex;
  36     IHTMLScreen IHTMLScreen_iface;
  37
  38     LONG ref;
  39 } HTMLScreen;
  40
  41 static inline HTMLScreen *impl_from_IHTMLScreen(IHTMLScreen *iface)
  42 {
  43     return CONTAINING_RECORD(iface, HTMLScreen, IHTMLScreen_iface);
  44 }
  45
  46 static HRESULT WINAPI HTMLScreen_QueryInterface(IHTMLScreen *iface, REFIID riid, void **ppv)
  47 {
  48     HTMLScreen *This = impl_from_IHTMLScreen(iface);
  49
  50     TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
  51
  52     if(IsEqualGUID(&IID_IUnknown, riid)) {
  53         *ppv = &This->IHTMLScreen_iface;
  54     }else if(IsEqualGUID(&IID_IHTMLScreen, riid)) {
  55         *ppv = &This->IHTMLScreen_iface;
  56     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
  57         return *ppv ? S_OK : E_NOINTERFACE;
  58     }else {
  59         *ppv = NULL;
  60         WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
  61         return E_NOINTERFACE;
  62     }
  63
  64     IUnknown_AddRef((IUnknown*)*ppv);
  65     return S_OK;
  66 }
  67
  68 static ULONG WINAPI HTMLScreen_AddRef(IHTMLScreen *iface)
  69 {
  70     HTMLScreen *This = impl_from_IHTMLScreen(iface);
  71     LONG ref = InterlockedIncrement(&This->ref);
  72
  73     TRACE("(%p) ref=%d\n", This, ref);
  74
  75     return ref;
  76 }
  77
  78 static ULONG WINAPI HTMLScreen_Release(IHTMLScreen *iface)
  79 {
  80     HTMLScreen *This = impl_from_IHTMLScreen(iface);
  81     LONG ref = InterlockedDecrement(&This->ref);
  82
  83     TRACE("(%p) ref=%d\n", This, ref);
  84
  85     if(!ref) {
  86         release_dispex(&This->dispex);
  87         heap_free(This);
  88     }
  89
  90     return ref;
  91 }
  92
  93 static HRESULT WINAPI HTMLScreen_GetTypeInfoCount(IHTMLScreen *iface, UINT *pctinfo)
  94 {
  95     HTMLScreen *This = impl_from_IHTMLScreen(iface);
  96     return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
  97 }
  98
  99 static HRESULT WINAPI HTMLScreen_GetTypeInfo(IHTMLScreen *iface, UINT iTInfo,
 100         LCID lcid, ITypeInfo **ppTInfo)
 101 {
 102     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 103     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
 104 }
 105
 106 static HRESULT WINAPI HTMLScreen_GetIDsOfNames(IHTMLScreen *iface, REFIID riid,
 107         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 108 {
 109     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 110     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
 111             lcid, rgDispId);
 112 }
 113
 114 static HRESULT WINAPI HTMLScreen_Invoke(IHTMLScreen *iface, DISPID dispIdMember,
 115         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 116         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 117 {
 118     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 119     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags,
 120             pDispParams, pVarResult, pExcepInfo, puArgErr);
 121 }
 122
 123 static HRESULT WINAPI HTMLScreen_get_colorDepth(IHTMLScreen *iface, LONG *p)
 124 {
 125     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 126
 127     TRACE("(%p)->(%p)\n", This, p);
 128
 129     *p = GetDeviceCaps(get_display_dc(), BITSPIXEL);
 130     return S_OK;
 131 }
 132
 133 static HRESULT WINAPI HTMLScreen_put_bufferDepth(IHTMLScreen *iface, LONG v)
 134 {
 135     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 136     FIXME("(%p)->(%d)\n", This, v);
 137     return E_NOTIMPL;
 138 }
 139
 140 static HRESULT WINAPI HTMLScreen_get_bufferDepth(IHTMLScreen *iface, LONG *p)
 141 {
 142     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 143     FIXME("(%p)->(%p)\n", This, p);
 144     return E_NOTIMPL;
 145 }
 146
 147 static HRESULT WINAPI HTMLScreen_get_width(IHTMLScreen *iface, LONG *p)
 148 {
 149     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 150
 151     TRACE("(%p)->(%p)\n", This, p);
 152
 153     *p = GetDeviceCaps(get_display_dc(), HORZRES);
 154     return S_OK;
 155 }
 156
 157 static HRESULT WINAPI HTMLScreen_get_height(IHTMLScreen *iface, LONG *p)
 158 {
 159     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 160
 161     TRACE("(%p)->(%p)\n", This, p);
 162
 163     *p = GetDeviceCaps(get_display_dc(), VERTRES);
 164     return S_OK;
 165 }
 166
 167 static HRESULT WINAPI HTMLScreen_put_updateInterval(IHTMLScreen *iface, LONG v)
 168 {
 169     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 170     FIXME("(%p)->(%d)\n", This, v);
 171     return E_NOTIMPL;
 172 }
 173
 174 static HRESULT WINAPI HTMLScreen_get_updateInterval(IHTMLScreen *iface, LONG *p)
 175 {
 176     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 177     FIXME("(%p)->(%p)\n", This, p);
 178     return E_NOTIMPL;
 179 }
 180
 181 static HRESULT WINAPI HTMLScreen_get_availHeight(IHTMLScreen *iface, LONG *p)
 182 {
 183     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 184     RECT work_area;
 185
 186     TRACE("(%p)->(%p)\n", This, p);
 187
 188     if(!SystemParametersInfoW(SPI_GETWORKAREA, 0, &work_area, 0))
 189         return E_FAIL;
 190
 191     *p = work_area.bottom-work_area.top;
 192     return S_OK;
 193 }
 194
 195 static HRESULT WINAPI HTMLScreen_get_availWidth(IHTMLScreen *iface, LONG *p)
 196 {
 197     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 198     RECT work_area;
 199
 200     TRACE("(%p)->(%p)\n", This, p);
 201
 202     if(!SystemParametersInfoW(SPI_GETWORKAREA, 0, &work_area, 0))
 203         return E_FAIL;
 204
 205     *p = work_area.right-work_area.left;
 206     return S_OK;
 207 }
 208
 209 static HRESULT WINAPI HTMLScreen_get_fontSmoothingEnabled(IHTMLScreen *iface, VARIANT_BOOL *p)
 210 {
 211     HTMLScreen *This = impl_from_IHTMLScreen(iface);
 212     FIXME("(%p)->(%p)\n", This, p);
 213     return E_NOTIMPL;
 214 }
 215
 216 static const IHTMLScreenVtbl HTMLSreenVtbl = {
 217     HTMLScreen_QueryInterface,
 218     HTMLScreen_AddRef,
 219     HTMLScreen_Release,
 220     HTMLScreen_GetTypeInfoCount,
 221     HTMLScreen_GetTypeInfo,
 222     HTMLScreen_GetIDsOfNames,
 223     HTMLScreen_Invoke,
 224     HTMLScreen_get_colorDepth,
 225     HTMLScreen_put_bufferDepth,
 226     HTMLScreen_get_bufferDepth,
 227     HTMLScreen_get_width,
 228     HTMLScreen_get_height,
 229     HTMLScreen_put_updateInterval,
 230     HTMLScreen_get_updateInterval,
 231     HTMLScreen_get_availHeight,
 232     HTMLScreen_get_availWidth,
 233     HTMLScreen_get_fontSmoothingEnabled
 234 };
 235
 236 static const tid_t HTMLScreen_iface_tids[] = {
 237     IHTMLScreen_tid,
 238     0
 239 };
 240 static dispex_static_data_t HTMLScreen_dispex = {
 241     NULL,
 242     DispHTMLScreen_tid,
 243     NULL,
 244     HTMLScreen_iface_tids
 245 };
 246
 247 HRESULT HTMLScreen_Create(IHTMLScreen **ret)
 248 {
 249     HTMLScreen *screen;
 250
 251     screen = heap_alloc_zero(sizeof(HTMLScreen));
 252     if(!screen)
 253         return E_OUTOFMEMORY;
 254
 255     screen->IHTMLScreen_iface.lpVtbl = &HTMLSreenVtbl;
 256     screen->ref = 1;
 257
 258     init_dispex(&screen->dispex, (IUnknown*)&screen->IHTMLScreen_iface, &HTMLScreen_dispex);
 259
 260     *ret = &screen->IHTMLScreen_iface;
 261     return S_OK;
 262 }