webbrowser.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/*
 * WebBrowser Implementation
 *
 * Copyright 2005 James Hawkins
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "hhctrl.h"

#define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))

typedef struct IOleClientSiteImpl
{
    const IOleClientSiteVtbl *lpVtbl;
    const IOleInPlaceSiteVtbl *lpvtblOleInPlaceSite;
    const IOleInPlaceFrameVtbl *lpvtblOleInPlaceFrame;
    const IDocHostUIHandlerVtbl *lpvtblDocHostUIHandler;

    /* IOleClientSiteImpl data */
    IOleObject *pBrowserObject;
    LONG ref;

    /* IOleInPlaceFrame data */
    HWND hwndWindow;
} IOleClientSiteImpl;

static HRESULT STDMETHODCALLTYPE Site_QueryInterface(IOleClientSite *iface, REFIID riid, void **ppvObj)
{
    ICOM_THIS_MULTI(IOleClientSiteImpl, lpVtbl, iface);
    *ppvObj = NULL;

    if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IOleClientSite))
    {
        *ppvObj = This;
    }
    else if (IsEqualIID(riid, &IID_IOleInPlaceSite))
    {
        *ppvObj = &(This->lpvtblOleInPlaceSite);
    }
    else if (IsEqualIID(riid, &IID_IDocHostUIHandler))
    {
        *ppvObj = &(This->lpvtblDocHostUIHandler);
    }
    else
        return E_NOINTERFACE;

    return S_OK;
}

static ULONG STDMETHODCALLTYPE Site_AddRef(IOleClientSite *iface)
{
    ICOM_THIS_MULTI(IOleClientSiteImpl, lpVtbl, iface);
    return InterlockedIncrement(&This->ref);
}

static ULONG STDMETHODCALLTYPE Site_Release(IOleClientSite *iface)
{
    ICOM_THIS_MULTI(IOleClientSiteImpl, lpVtbl, iface);
    LONG refCount = InterlockedDecrement(&This->ref);

    if (refCount)
        return refCount;

    hhctrl_free(This);
    return 0;
}

static HRESULT STDMETHODCALLTYPE Site_SaveObject(IOleClientSite *iface)
{
    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE Site_GetMoniker(IOleClientSite *iface, DWORD dwAssign, DWORD dwWhichMoniker, IMoniker **ppmk)
{
    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE Site_GetContainer(IOleClientSite *iface, LPOLECONTAINER *ppContainer)
{
    *ppContainer = NULL;

    return E_NOINTERFACE;
}

static HRESULT STDMETHODCALLTYPE Site_ShowObject(IOleClientSite *iface)
{
    return NOERROR;
}

static HRESULT STDMETHODCALLTYPE Site_OnShowWindow(IOleClientSite *iface, BOOL fShow)
{
    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE Site_RequestNewObjectLayout(IOleClientSite *iface)
{
    return E_NOTIMPL;
}

static const IOleClientSiteVtbl MyIOleClientSiteTable =
{
    Site_QueryInterface,
    Site_AddRef,
    Site_Release,
    Site_SaveObject,
    Site_GetMoniker,
    Site_GetContainer,
    Site_ShowObject,
    Site_OnShowWindow,
    Site_RequestNewObjectLayout
};

static HRESULT STDMETHODCALLTYPE UI_QueryInterface(IDocHostUIHandler *iface, REFIID riid, LPVOID *ppvObj)
{
    ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblDocHostUIHandler, iface);
    return Site_QueryInterface((IOleClientSite *)This, riid, ppvObj);
}

static ULONG STDMETHODCALLTYPE UI_AddRef(IDocHostUIHandler *iface)
{
    return 1;
}

static ULONG STDMETHODCALLTYPE UI_Release(IDocHostUIHandler * iface)
{
    return 2;
}

static HRESULT STDMETHODCALLTYPE UI_ShowContextMenu(IDocHostUIHandler *iface, DWORD dwID, POINT *ppt, IUnknown *pcmdtReserved, IDispatch *pdispReserved)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_GetHostInfo(IDocHostUIHandler *iface, DOCHOSTUIINFO *pInfo)
{
    pInfo->cbSize = sizeof(DOCHOSTUIINFO);
    pInfo->dwFlags = DOCHOSTUIFLAG_NO3DBORDER;
    pInfo->dwDoubleClick = DOCHOSTUIDBLCLK_DEFAULT;

    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_ShowUI(IDocHostUIHandler *iface, DWORD dwID, IOleInPlaceActiveObject *pActiveObject, IOleCommandTarget *pCommandTarget, IOleInPlaceFrame *pFrame, IOleInPlaceUIWindow *pDoc)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_HideUI(IDocHostUIHandler *iface)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_UpdateUI(IDocHostUIHandler *iface)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_EnableModeless(IDocHostUIHandler *iface, BOOL fEnable)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_OnDocWindowActivate(IDocHostUIHandler *iface, BOOL fActivate)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_OnFrameWindowActivate(IDocHostUIHandler *iface, BOOL fActivate)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_ResizeBorder(IDocHostUIHandler *iface, LPCRECT prcBorder, IOleInPlaceUIWindow *pUIWindow, BOOL fRameWindow)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE UI_TranslateAccelerator(IDocHostUIHandler *iface, LPMSG lpMsg, const GUID *pguidCmdGroup, DWORD nCmdID)
{
    return S_FALSE;
}

static HRESULT STDMETHODCALLTYPE UI_GetOptionKeyPath(IDocHostUIHandler *iface, LPOLESTR *pchKey, DWORD dw)
{
    return S_FALSE;
}

static HRESULT STDMETHODCALLTYPE UI_GetDropTarget(IDocHostUIHandler *iface, IDropTarget *pDropTarget, IDropTarget **ppDropTarget)
{
    return S_FALSE;
}

static HRESULT STDMETHODCALLTYPE UI_GetExternal(IDocHostUIHandler *iface, IDispatch **ppDispatch)
{
    *ppDispatch = NULL;
    return S_FALSE;
}

static HRESULT STDMETHODCALLTYPE UI_TranslateUrl(IDocHostUIHandler *iface, DWORD dwTranslate, OLECHAR *pchURLIn, OLECHAR **ppchURLOut)
{
    *ppchURLOut = NULL;
    return S_FALSE;
}

static HRESULT STDMETHODCALLTYPE UI_FilterDataObject(IDocHostUIHandler *iface, IDataObject *pDO, IDataObject **ppDORet)
{
    *ppDORet = NULL;
    return S_FALSE;
}

static const IDocHostUIHandlerVtbl MyIDocHostUIHandlerTable =
{
    UI_QueryInterface,
    UI_AddRef,
    UI_Release,
    UI_ShowContextMenu,
    UI_GetHostInfo,
    UI_ShowUI,
    UI_HideUI,
    UI_UpdateUI,
    UI_EnableModeless,
    UI_OnDocWindowActivate,
    UI_OnFrameWindowActivate,
    UI_ResizeBorder,
    UI_TranslateAccelerator,
    UI_GetOptionKeyPath,
    UI_GetDropTarget,
    UI_GetExternal,
    UI_TranslateUrl,
    UI_FilterDataObject
};

static HRESULT STDMETHODCALLTYPE InPlace_QueryInterface(IOleInPlaceSite *iface, REFIID riid, LPVOID *ppvObj)
{
    ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceSite, iface);
    return Site_QueryInterface((IOleClientSite *)This, riid, ppvObj);
}

static ULONG STDMETHODCALLTYPE InPlace_AddRef(IOleInPlaceSite *iface)
{
    return 1;
}

static ULONG STDMETHODCALLTYPE InPlace_Release(IOleInPlaceSite *iface)
{
    return 2;
}

static HRESULT STDMETHODCALLTYPE InPlace_GetWindow(IOleInPlaceSite *iface, HWND *lphwnd)
{
    ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceSite, iface);
    *lphwnd = This->hwndWindow;

    return S_OK;
}

static HRESULT STDMETHODCALLTYPE InPlace_ContextSensitiveHelp(IOleInPlaceSite *iface, BOOL fEnterMode)
{
    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE InPlace_CanInPlaceActivate(IOleInPlaceSite *iface)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE InPlace_OnInPlaceActivate(IOleInPlaceSite *iface)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE InPlace_OnUIActivate(IOleInPlaceSite *iface)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE InPlace_GetWindowContext(IOleInPlaceSite *iface, LPOLEINPLACEFRAME *lplpFrame, LPOLEINPLACEUIWINDOW *lplpDoc, LPRECT lprcPosRect, LPRECT lprcClipRect, LPOLEINPLACEFRAMEINFO lpFrameInfo)
{
    ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceSite, iface);
    *lplpFrame = (LPOLEINPLACEFRAME)&This->lpvtblOleInPlaceFrame;
    *lplpDoc = NULL;

    lpFrameInfo->fMDIApp = FALSE;
    lpFrameInfo->hwndFrame = This->hwndWindow;
    lpFrameInfo->haccel = NULL;
    lpFrameInfo->cAccelEntries = 0;

    return S_OK;
}

static HRESULT STDMETHODCALLTYPE InPlace_Scroll(IOleInPlaceSite *iface, SIZE scrollExtent)
{
    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE InPlace_OnUIDeactivate(IOleInPlaceSite *iface, BOOL fUndoable)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE InPlace_OnInPlaceDeactivate(IOleInPlaceSite *iface)
{
    return S_OK;
}

static HRESULT STDMETHODCALLTYPE InPlace_DiscardUndoState(IOleInPlaceSite *iface)
{
    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE InPlace_DeactivateAndUndo(IOleInPlaceSite *iface)
{
    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE InPlace_OnPosRectChange(IOleInPlaceSite *iface, LPCRECT lprcPosRect)
{
    ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceSite, iface);
    IOleInPlaceObject *inplace;

    if (!IOleObject_QueryInterface(This->pBrowserObject, &IID_IOleInPlaceObject, (void **)&inplace))
        IOleInPlaceObject_SetObjectRects(inplace, lprcPosRect, lprcPosRect);

    return S_OK;
}

static const IOleInPlaceSiteVtbl MyIOleInPlaceSiteTable =
{
    InPlace_QueryInterface,
    InPlace_AddRef,
    InPlace_Release,
    InPlace_GetWindow,
    InPlace_ContextSensitiveHelp,
    InPlace_CanInPlaceActivate,
    InPlace_OnInPlaceActivate,
    InPlace_OnUIActivate,
    InPlace_GetWindowContext,
    InPlace_Scroll,