reactos/dll/win32/browseui/bandproxy.cpp

/*
 * ReactOS Explorer
 *
 * Copyright 2009 Andrew Hill <ash77 at domain reactos.org>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
Used by the address band to dispatch navigation changes to the main browser object.

TODO:

*/

#include "precomp.h"

CBandProxy::CBandProxy()
{
}

CBandProxy::~CBandProxy()
{
}

HRESULT CBandProxy::FindBrowserWindow(IUnknown **browser)
{
    CComPtr<IServiceProvider>               serviceProvider;
    CComPtr<IWebBrowser2>                   webBrowser;
    HRESULT                                 hResult;

    if (browser == NULL)
        return E_POINTER;
    hResult = fSite->QueryInterface(IID_PPV_ARG(IServiceProvider, &serviceProvider));
    if (FAILED_UNEXPECTEDLY(hResult))
        return hResult;
    hResult = serviceProvider->QueryService(
        SID_IWebBrowserApp, IID_PPV_ARG(IWebBrowser2, &webBrowser));
    if (FAILED_UNEXPECTEDLY(hResult))
        return hResult;
    *browser = webBrowser.Detach();
    return S_OK;
}

HRESULT STDMETHODCALLTYPE CBandProxy::SetSite(IUnknown *paramC)
{
    fSite = paramC;
    return S_OK;
}

HRESULT STDMETHODCALLTYPE CBandProxy::CreateNewWindow(long paramC)
{
    return E_NOTIMPL;
}

HRESULT STDMETHODCALLTYPE CBandProxy::GetBrowserWindow(IUnknown **paramC)
{
    if (paramC == NULL)
        return E_POINTER;
    return FindBrowserWindow(paramC);
}

HRESULT STDMETHODCALLTYPE CBandProxy::IsConnected()
{
    CComPtr<IUnknown>                       webBrowser;
    HRESULT                                 hResult;

    hResult = FindBrowserWindow(&webBrowser);
    if (FAILED_UNEXPECTEDLY(hResult) || webBrowser.p == NULL)
        return S_FALSE;
    return S_OK;
}

HRESULT STDMETHODCALLTYPE CBandProxy::NavigateToPIDL(LPCITEMIDLIST pidl)
{
    CComPtr<IOleWindow>                     oleWindow;
    CComPtr<IServiceProvider>               serviceProvider;
    CComPtr<IUnknown>                       webBrowserUnknown;
    CComPtr<IWebBrowser2>                   webBrowser;
    HWND                                    browserWindow;
    CComVariant                             args;
    CComVariant                             emptyVariant;
    unsigned int                            arraySize;
    HRESULT                                 hResult;

    hResult = FindBrowserWindow(&webBrowserUnknown);
    if (FAILED_UNEXPECTEDLY(hResult))
        return hResult;
    hResult = webBrowserUnknown->QueryInterface(IID_PPV_ARG(IWebBrowser2, &webBrowser));
    if (FAILED_UNEXPECTEDLY(hResult))
        return hResult;
    hResult = webBrowser->put_Visible(TRUE);
    hResult = webBrowser->QueryInterface(IID_PPV_ARG(IServiceProvider, &serviceProvider));
    if (SUCCEEDED(hResult))
    {
        hResult = serviceProvider->QueryService(SID_STopLevelBrowser,
            IID_PPV_ARG(IOleWindow, &oleWindow));
        if (SUCCEEDED(hResult))
        {
            hResult = oleWindow->GetWindow(&browserWindow);
            if (IsIconic(browserWindow))
                ShowWindow(browserWindow, SW_RESTORE);
        }
    }
    arraySize = ILGetSize(pidl);
    V_VT(&args) = VT_ARRAY | VT_UI1;
    V_ARRAY(&args) = SafeArrayCreateVector(VT_UI1, 0, arraySize);
    if (V_ARRAY(&args) == NULL)
        return E_OUTOFMEMORY;
    memcpy(V_ARRAY(&args)->pvData, pidl, arraySize);
    hResult = webBrowser->Navigate2(&args, &emptyVariant, &emptyVariant, &emptyVariant, &emptyVariant);
    if (FAILED_UNEXPECTEDLY(hResult))
        return hResult;
    return S_OK;
}

HRESULT STDMETHODCALLTYPE CBandProxy::NavigateToURL(long paramC, long param10)
{
    return E_NOTIMPL;
}

HRESULT CreateBandProxy(REFIID riid, void **ppv)
{
    CComObject<CBandProxy>                  *theBandProxy;
    HRESULT                                 hResult;

    if (ppv == NULL)
        return E_POINTER;
    *ppv = NULL;
    ATLTRY (theBandProxy = new CComObject<CBandProxy>);
    if (theBandProxy == NULL)
        return E_OUTOFMEMORY;
    hResult = theBandProxy->QueryInterface(riid, reinterpret_cast<void **>(ppv));
    if (FAILED_UNEXPECTEDLY(hResult))
    {
        delete theBandProxy;
        return hResult;
    }
    return S_OK;
}