dlls/shdocvw/taskbarlist.c

   1 /*
   2  * Copyright 2009 Henri Verbeet 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
  20 #include "config.h"
  21 #include "wine/port.h"
  22 #include "wine/debug.h"
  23
  24 #include "shdocvw.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
  27
  28 struct taskbar_list
  29 {
  30     const struct ITaskbarListVtbl *lpVtbl;
  31     LONG refcount;
  32 };
  33
  34 /* IUnknown methods */
  35
  36 static HRESULT STDMETHODCALLTYPE taskbar_list_QueryInterface(ITaskbarList *iface, REFIID riid, void **object)
  37 {
  38     TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);
  39
  40     if (IsEqualGUID(riid, &IID_ITaskbarList)
  41             || IsEqualGUID(riid, &IID_IUnknown))
  42     {
  43         IUnknown_AddRef(iface);
  44         *object = iface;
  45         return S_OK;
  46     }
  47
  48     WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
  49
  50     *object = NULL;
  51     return E_NOINTERFACE;
  52 }
  53
  54 static ULONG STDMETHODCALLTYPE taskbar_list_AddRef(ITaskbarList *iface)
  55 {
  56     struct taskbar_list *This = (struct taskbar_list *)iface;
  57     ULONG refcount = InterlockedIncrement(&This->refcount);
  58
  59     TRACE("%p increasing refcount to %u\n", This, refcount);
  60
  61     return refcount;
  62 }
  63
  64 static ULONG STDMETHODCALLTYPE taskbar_list_Release(ITaskbarList *iface)
  65 {
  66     struct taskbar_list *This = (struct taskbar_list *)iface;
  67     ULONG refcount = InterlockedDecrement(&This->refcount);
  68
  69     TRACE("%p decreasing refcount to %u\n", This, refcount);
  70
  71     if (!refcount)
  72     {
  73         HeapFree(GetProcessHeap(), 0, This);
  74     }
  75
  76     return refcount;
  77 }
  78
  79 /* ITaskbarList methods */
  80
  81 static HRESULT STDMETHODCALLTYPE taskbar_list_HrInit(ITaskbarList *iface)
  82 {
  83     FIXME("iface %p stub!\n", iface);
  84
  85     return E_NOTIMPL;
  86 }
  87
  88 static HRESULT STDMETHODCALLTYPE taskbar_list_AddTab(ITaskbarList *iface, HWND hwnd)
  89 {
  90     FIXME("iface %p, hwnd %p stub!\n", iface, hwnd);
  91
  92     return E_NOTIMPL;
  93 }
  94
  95 static HRESULT STDMETHODCALLTYPE taskbar_list_DeleteTab(ITaskbarList *iface, HWND hwnd)
  96 {
  97     FIXME("iface %p, hwnd %p stub!\n", iface, hwnd);
  98
  99     return E_NOTIMPL;
 100 }
 101
 102 static HRESULT STDMETHODCALLTYPE taskbar_list_ActivateTab(ITaskbarList *iface, HWND hwnd)
 103 {
 104     FIXME("iface %p, hwnd %p stub!\n", iface, hwnd);
 105
 106     return E_NOTIMPL;
 107 }
 108
 109 static HRESULT STDMETHODCALLTYPE taskbar_list_SetActiveAlt(ITaskbarList *iface, HWND hwnd)
 110 {
 111     FIXME("iface %p, hwnd %p stub!\n", iface, hwnd);
 112
 113     return E_NOTIMPL;
 114 }
 115
 116 static const struct ITaskbarListVtbl taskbar_list_vtbl =
 117 {
 118     /* IUnknown methods */
 119     taskbar_list_QueryInterface,
 120     taskbar_list_AddRef,
 121     taskbar_list_Release,
 122     /* ITaskbarList methods */
 123     taskbar_list_HrInit,
 124     taskbar_list_AddTab,
 125     taskbar_list_DeleteTab,
 126     taskbar_list_ActivateTab,
 127     taskbar_list_SetActiveAlt,
 128 };
 129
 130 HRESULT TaskbarList_Create(IUnknown *outer, REFIID riid, void **taskbar_list)
 131 {
 132     struct taskbar_list *object;
 133
 134     TRACE("outer %p, riid %s, taskbar_list %p\n", outer, debugstr_guid(riid), taskbar_list);
 135
 136     if (outer)
 137     {
 138         WARN("Aggregation not supported\n");
 139         return CLASS_E_NOAGGREGATION;
 140     }
 141
 142     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
 143     if (!object)
 144     {
 145         ERR("Failed to allocate taskbar list object memory\n");
 146         return E_OUTOFMEMORY;
 147     }
 148
 149     object->lpVtbl = &taskbar_list_vtbl;
 150     object->refcount = 1;
 151
 152     *taskbar_list = object;
 153
 154     TRACE("Created ITaskbarList %p\n", object);
 155
 156     return S_OK;
 157 }