shared source/wpf/src/host/dll/oleinplaceactiveobject.cxx

   1 //+-----------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  Description:
   6 //     Implements the OleInPlaceActiveObject class of PresentationHost.
   7 //
   8 //  History:
   9 //     2002/06/27-murrayw
  10 //          Created
  11 //     2007/09/20-[....]
  12 //          Ported Windows->DevDiv. See SourcesHistory.txt.
  13 //
  14 //------------------------------------------------------------------------
  15
  16 #include "Precompiled.hxx"
  17 #include "OleInPlaceActiveObject.hxx"
  18 #include "OleDocument.hxx"
  19 #include "Utilities.hxx"
  20
  21 //******************************************************************************
  22 //
  23 // COleInPlaceActiveObject::COleInPlaceActiveObject()
  24 //
  25 //******************************************************************************
  26
  27 COleInPlaceActiveObject::COleInPlaceActiveObject(__in COleDocument *pOleDoc)
  28 {
  29     m_pOleDoc = pOleDoc;
  30     //m_fEnableModeless = FALSE;
  31 }
  32 //******************************************************************************
  33 //
  34 // COleInPlaceActiveObject::~COleInPlaceActiveObject()
  35 //
  36 //******************************************************************************
  37
  38 COleInPlaceActiveObject::~COleInPlaceActiveObject()
  39 {
  40 }
  41
  42 //******************************************************************************
  43 //
  44 // COleInPlaceActiveObject::QueryInterface()
  45 //
  46 //******************************************************************************
  47
  48 STDMETHODIMP COleInPlaceActiveObject::QueryInterface(REFIID riid,
  49                                                      __out LPVOID *ppReturn)
  50 {
  51     // IE queries for IInputObject via CHostShim.
  52
  53     return m_pOleDoc->QueryInterface(riid, ppReturn);
  54 }
  55
  56 //******************************************************************************
  57 //
  58 // COleInPlaceActiveObject::AddRef()
  59 //
  60 //******************************************************************************
  61
  62 STDMETHODIMP_(ULONG) COleInPlaceActiveObject::AddRef()
  63 {
  64     return m_pOleDoc->AddRef();
  65 }
  66
  67 //******************************************************************************
  68 //
  69 // COleInPlaceActiveObject::Release()
  70 //
  71 //******************************************************************************
  72
  73 STDMETHODIMP_(ULONG) COleInPlaceActiveObject::Release()
  74 {
  75     return m_pOleDoc->Release();
  76 }
  77
  78 //******************************************************************************
  79 //
  80 // COleInPlaceActiveObject::OnDocWindowActivate()
  81 //
  82 //******************************************************************************
  83
  84 STDMETHODIMP COleInPlaceActiveObject::OnDocWindowActivate(BOOL fActivate)
  85 {
  86     return S_OK;
  87 }
  88
  89 //******************************************************************************
  90 //
  91 // COleInPlaceActiveObject::OnFrameWindowActivate()
  92 //
  93 //******************************************************************************
  94
  95 STDMETHODIMP COleInPlaceActiveObject::OnFrameWindowActivate(BOOL fActivate )
  96 {
  97     IBrowserHostServices  *pBrowserHost;
  98
  99     pBrowserHost = m_pOleDoc->ApplicationHelper();
 100
 101     if ( pBrowserHost != NULL )
 102     {
 103         pBrowserHost->Activate(fActivate);
 104     }
 105
 106     return S_OK;
 107 }
 108
 109 //******************************************************************************
 110 //
 111 // COleInPlaceActiveObject::GetWindow()
 112 //
 113 //******************************************************************************
 114
 115 STDMETHODIMP COleInPlaceActiveObject::GetWindow(__out HWND *phwnd)
 116 {
 117     return m_pOleDoc->GetWindow(phwnd);
 118 }
 119
 120 //******************************************************************************
 121 //
 122 // COleInPlaceActiveObject::ContextSensitiveHelp()
 123 //
 124 //******************************************************************************
 125
 126 STDMETHODIMP COleInPlaceActiveObject::ContextSensitiveHelp(BOOL /* fEnterMode */)
 127 {
 128     return E_NOTIMPL;
 129 }
 130
 131 //******************************************************************************
 132 // COleInPlaceActiveObject::TranslateAccelerator()
 133 // We would look up our own accelerators here, but we don't have any.
 134 //******************************************************************************
 135
 136 STDMETHODIMP COleInPlaceActiveObject::TranslateAccelerator(LPMSG pMsg)
 137 {
 138     // no accelerator table, return FALSE
 139
 140     return S_FALSE;
 141 }
 142
 143 //******************************************************************************
 144 //
 145 // COleInPlaceActiveObject::ResizeBorder()
 146 //
 147 //******************************************************************************
 148
 149 STDMETHODIMP COleInPlaceActiveObject::ResizeBorder(LPCRECT /* lprectBorder */,
 150                                                    LPOLEINPLACEUIWINDOW /* lpUIWindow */,
 151                                                    BOOL /* fFrameWindow */)
 152 {
 153     return S_OK;
 154 }
 155
 156 //******************************************************************************
 157 //
 158 // COleInPlaceActiveObject::EnableModeless()
 159 //
 160 //******************************************************************************
 161
 162 STDMETHODIMP COleInPlaceActiveObject::EnableModeless(BOOL fEnable)
 163 {
 164     STD_ASSERT_UNUSED;
 165 /*
 166     m_fEnableModeless = fEnable;
 167
 168     return S_OK;
 169 */
 170 }
 171
 172 //******************************************************************************
 173 //
 174 // IInputObject implementation. Used by IE.
 175 //      Enables tabbing into the DocObject from the browser frame.
 176 //      Tabbing into an HTML frame with our DocObject is handled by COleObject::DoVerb().
 177 //      Tabbing out is via IBrowserCallbackServices::TabOut().
 178 //
 179 //  In Firefox, tabbing in is done via IOleCommandTarget and a custom command - PHCMDID_TABINTO.
 180
 181 STDMETHODIMP COleInPlaceActiveObject::TranslateAcceleratorIO(__in MSG *pMsg)
 182 {
 183     HRESULT hr = E_FAIL;
 184
 185     int nDir = IsTabCycler(*pMsg);
 186     if(nDir && HasFocusIO() == S_FALSE && m_pOleDoc->ApplicationHelper())
 187     {
 188         hr = m_pOleDoc->ApplicationHelper()->TabInto(nDir > 0);
 189     }
 190
 191     return hr;
 192 }
 193
 194 STDMETHODIMP COleInPlaceActiveObject::HasFocusIO()
 195 {
 196     HRESULT hr = S_FALSE;
 197     HWND hwnd = NULL;
 198     if (SUCCEEDED(GetWindow(&hwnd)))
 199     {
 200         HWND hwndFocus = GetFocus();
 201         if (hwnd == hwndFocus || IsChild(hwnd, hwndFocus))
 202         {
 203             hr = S_OK;
 204         }
 205     }
 206     return hr;
 207 }
 208
 209 STDMETHODIMP COleInPlaceActiveObject::UIActivateIO(BOOL fActivate, __in_opt MSG *pMsg)
 210 {
 211     // This is currently not used, but in general it should UI activate/deactivate.
 212     return OnDocWindowActivate(fActivate);
 213 }