dlls/mshtml/propbag.c

   1 /*
   2  * Copyright 2010 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 "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "ole2.h"
  29 #include "shlobj.h"
  30
  31 #include "mshtml_private.h"
  32 #include "pluginhost.h"
  33
  34 #include "wine/debug.h"
  35 #include "wine/unicode.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  38
  39 typedef struct {
  40     IPropertyBag  IPropertyBag_iface;
  41
  42     LONG ref;
  43 } PropertyBag;
  44
  45 static inline PropertyBag *impl_from_IPropertyBag(IPropertyBag *iface)
  46 {
  47     return CONTAINING_RECORD(iface, PropertyBag, IPropertyBag_iface);
  48 }
  49
  50 static HRESULT WINAPI PropertyBag_QueryInterface(IPropertyBag *iface, REFIID riid, void **ppv)
  51 {
  52     PropertyBag *This = impl_from_IPropertyBag(iface);
  53
  54     if(IsEqualGUID(&IID_IUnknown, riid)) {
  55         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  56         *ppv = &This->IPropertyBag_iface;
  57     }else if(IsEqualGUID(&IID_IPropertyBag, riid)) {
  58         TRACE("(%p)->(IID_IPropertyBag %p)\n", This, ppv);
  59         *ppv = &This->IPropertyBag_iface;
  60     }else {
  61         WARN("Unsopported interface %s\n", debugstr_guid(riid));
  62         *ppv = NULL;
  63         return E_NOINTERFACE;
  64     }
  65
  66     IUnknown_AddRef((IUnknown*)*ppv);
  67     return S_OK;
  68 }
  69
  70 static ULONG WINAPI PropertyBag_AddRef(IPropertyBag *iface)
  71 {
  72     PropertyBag *This = impl_from_IPropertyBag(iface);
  73     LONG ref = InterlockedIncrement(&This->ref);
  74
  75     TRACE("(%p) ref=%d\n", This, ref);
  76
  77     return ref;
  78 }
  79
  80 static ULONG WINAPI PropertyBag_Release(IPropertyBag *iface)
  81 {
  82     PropertyBag *This = impl_from_IPropertyBag(iface);
  83     LONG ref = InterlockedDecrement(&This->ref);
  84
  85     TRACE("(%p) ref=%d\n", This, ref);
  86
  87     if(!ref)
  88         heap_free(This);
  89
  90     return ref;
  91 }
  92
  93 static HRESULT WINAPI PropertyBag_Read(IPropertyBag *iface, LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog)
  94 {
  95     PropertyBag *This = impl_from_IPropertyBag(iface);
  96     FIXME("(%p)->(%s %p %p)\n", This, debugstr_w(pszPropName), pVar, pErrorLog);
  97     return E_NOTIMPL;
  98 }
  99
 100 static HRESULT WINAPI PropertyBag_Write(IPropertyBag *iface, LPCOLESTR pszPropName, VARIANT *pVar)
 101 {
 102     PropertyBag *This = impl_from_IPropertyBag(iface);
 103     FIXME("(%p)->(%s %s)\n", This, debugstr_w(pszPropName), debugstr_variant(pVar));
 104     return E_NOTIMPL;
 105 }
 106
 107 static const IPropertyBagVtbl PropertyBagVtbl = {
 108     PropertyBag_QueryInterface,
 109     PropertyBag_AddRef,
 110     PropertyBag_Release,
 111     PropertyBag_Read,
 112     PropertyBag_Write
 113 };
 114
 115 HRESULT create_param_prop_bag(IPropertyBag **ret)
 116 {
 117     PropertyBag *prop_bag;
 118
 119     prop_bag = heap_alloc(sizeof(*prop_bag));
 120     if(!prop_bag)
 121         return E_OUTOFMEMORY;
 122
 123     prop_bag->IPropertyBag_iface.lpVtbl  = &PropertyBagVtbl;
 124     prop_bag->ref = 1;
 125
 126     *ret = &prop_bag->IPropertyBag_iface;
 127     return S_OK;
 128 }