167 lines
4.6 KiB
C++
167 lines
4.6 KiB
C++
#include "priv.h"
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#include "wvcoord.h"
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/////////////////////////////////////////////////////////////////////////////
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// CThumbNailWrapper
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/////////////////////////////////////////////////////////////////////////////
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CThumbNailWrapper::CThumbNailWrapper()
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{
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// Do nothing for now
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}
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CThumbNailWrapper::~CThumbNailWrapper()
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{
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m_spThumbNailCtl = NULL;
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m_spThumbNailStyle = NULL;
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m_spThumbnailLabel = NULL;
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}
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HRESULT CThumbNailWrapper::Init(CComPtr<IThumbCtl> spThumbNailCtl,
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CComPtr<IHTMLElement> spThumbnailLabel)
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{
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m_spThumbNailCtl = spThumbNailCtl;
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m_spThumbnailLabel = spThumbnailLabel;
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HRESULT hr = FindObjectStyle((IThumbCtl *)spThumbNailCtl, m_spThumbNailStyle);
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if (SUCCEEDED(hr))
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{
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m_spThumbNailStyle->put_display(OLESTR("none")); // Hide the thumbctl initially when nothing is displayed.
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}
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return hr;
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}
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STDMETHODIMP CThumbNailWrapper::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid,
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WORD wFlags, DISPPARAMS *pDispParams,
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VARIANT *pVarResult, EXCEPINFO *pExcepInfo,
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UINT *puArgErr)
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{
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HRESULT hr;
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if (riid != IID_NULL) {
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return DISP_E_UNKNOWNINTERFACE;
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}
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hr = S_OK;
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if (dispIdMember == DISPID_ONTHUMBNAILREADY) {
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hr = OnThumbNailReady();
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}
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return hr;
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}
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HRESULT CThumbNailWrapper::OnThumbNailReady(VOID)
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{
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HRESULT hr = S_OK;
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if (m_spThumbNailCtl)
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{
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VARIANT_BOOL bHaveThumbnail;
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if (SUCCEEDED(m_spThumbNailCtl->haveThumbnail(&bHaveThumbnail)) && bHaveThumbnail)
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{
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hr = m_spThumbNailStyle->put_display(OLESTR(""));
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}
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else
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{
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ClearThumbNail();
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}
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}
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return hr;
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}
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HRESULT CThumbNailWrapper::FreeSpace(CComBSTR &bstrFree)
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{
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return m_spThumbNailCtl->get_freeSpace(&bstrFree);
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}
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HRESULT CThumbNailWrapper::TotalSpace(CComBSTR &bstrTotal)
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{
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return m_spThumbNailCtl->get_totalSpace(&bstrTotal);
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}
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HRESULT CThumbNailWrapper::UsedSpace(CComBSTR &bstrUsed)
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{
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return m_spThumbNailCtl->get_usedSpace(&bstrUsed);
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}
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HRESULT CThumbNailWrapper::SetDisplay(CComBSTR &bstrDisplay)
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{
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return m_spThumbNailStyle->put_display(bstrDisplay);
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}
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HRESULT CThumbNailWrapper::SetHeight(int iHeight)
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{
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return m_spThumbNailStyle->put_height(CComVariant(iHeight));
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}
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HRESULT CThumbNailWrapper::_SetThumbnailLabel(CComBSTR& bstrLabel)
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{
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if (m_spThumbnailLabel)
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{
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m_spThumbnailLabel->put_innerText(bstrLabel);
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}
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return S_OK;
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}
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BOOL CThumbNailWrapper::UpdateThumbNail(CComPtr<FolderItem> spFolderItem)
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{
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BOOL bRet = FALSE;
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VARIANT_BOOL bDisplayed;
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CComBSTR bstrPath;
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ClearThumbNail();
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if (SUCCEEDED(spFolderItem->get_Path(&bstrPath)) && (bstrPath.Length() > 0)
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&& SUCCEEDED(m_spThumbNailCtl->displayFile(bstrPath, &bDisplayed)) && bDisplayed)
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{
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CComBSTR bstrLabel, bstrFolderItemName;
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WCHAR wszTemp[MAX_PATH];
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if (PathIsRootW(bstrPath))
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{
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CComBSTR bstrSpace;
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if (SUCCEEDED(UsedSpace(bstrSpace)))
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{
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LoadStringW(_Module.GetResourceInstance(), IDS_USEDSPACE, wszTemp, ARRAYSIZE(wszTemp));
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bstrLabel = wszTemp;
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bstrLabel += bstrSpace;
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}
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if (SUCCEEDED(FreeSpace(bstrSpace)))
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{
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if (bstrLabel.Length() > 0)
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{
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LoadStringW(_Module.GetResourceInstance(), IDS_PHRASESEPERATOR, wszTemp, ARRAYSIZE(wszTemp));
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bstrLabel += wszTemp;
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}
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LoadStringW(_Module.GetResourceInstance(), IDS_FREESPACE, wszTemp, ARRAYSIZE(wszTemp));
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bstrLabel += wszTemp;
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bstrLabel += bstrSpace;
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}
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}
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else if (SUCCEEDED(spFolderItem->get_Name(&bstrFolderItemName)))
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{
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WCHAR wszName[MAX_PATH];
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StrCpyNW(wszName, bstrFolderItemName, ARRAYSIZE(wszName));
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WCHAR wszTemp2[MAX_PATH * 2];
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LoadStringW(_Module.GetResourceInstance(), IDS_THUMBNAIL_LABEL, wszTemp, ARRAYSIZE(wszTemp));
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wnsprintfW(wszTemp2, ARRAYSIZE(wszTemp2), wszTemp, wszName);
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bstrLabel = wszTemp2;
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}
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_SetThumbnailLabel(bstrLabel);
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bRet = TRUE;
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}
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return bRet;
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}
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HRESULT CThumbNailWrapper::ClearThumbNail()
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{
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CComBSTR bstrLabel;
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// Optimization to prevent loading mshtmled.dll - we only need to clear the label if text is currently there.
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if (m_spThumbnailLabel && SUCCEEDED(m_spThumbnailLabel->get_innerText(&bstrLabel)) && bstrLabel)
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_SetThumbnailLabel(CComBSTR(""));
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return m_spThumbNailStyle->put_display(OLESTR("none"));
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}
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