summaryrefslogtreecommitdiffstats
path: root/shell/source/win32/shlxthandler/infotips/infotips.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'shell/source/win32/shlxthandler/infotips/infotips.cxx')
-rw-r--r--shell/source/win32/shlxthandler/infotips/infotips.cxx365
1 files changed, 365 insertions, 0 deletions
diff --git a/shell/source/win32/shlxthandler/infotips/infotips.cxx b/shell/source/win32/shlxthandler/infotips/infotips.cxx
new file mode 100644
index 000000000..3e3d0c3a1
--- /dev/null
+++ b/shell/source/win32/shlxthandler/infotips/infotips.cxx
@@ -0,0 +1,365 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <global.hxx>
+#include <infotips.hxx>
+#include <shlxthdl.hxx>
+#include <metainforeader.hxx>
+#include <contentreader.hxx>
+#include <utilities.hxx>
+#include <registry.hxx>
+#include <fileextensions.hxx>
+#include <iso8601_converter.hxx>
+#include <config.hxx>
+
+#include <resource.h>
+#include <stdio.h>
+#include <utility>
+#include <stdlib.h>
+
+
+#define MAX_STRING 80
+#define KB 1024.0
+const std::wstring WSPACE(SPACE);
+
+
+CInfoTip::CInfoTip(long RefCnt) :
+ m_RefCnt(RefCnt)
+{
+ ZeroMemory(m_szFileName, sizeof(m_szFileName));
+ InterlockedIncrement(&g_DllRefCnt);
+}
+
+
+CInfoTip::~CInfoTip()
+{
+ InterlockedDecrement(&g_DllRefCnt);
+}
+
+
+// IUnknown methods
+
+
+HRESULT STDMETHODCALLTYPE CInfoTip::QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject)
+{
+ *ppvObject = nullptr;
+
+ IUnknown* pUnk = nullptr;
+
+ if (IID_IUnknown == riid || IID_IQueryInfo == riid)
+ {
+ pUnk = static_cast<IQueryInfo*>(this);
+ pUnk->AddRef();
+ *ppvObject = pUnk;
+ return S_OK;
+ }
+ else if (IID_IPersistFile == riid)
+ {
+ pUnk = static_cast<IPersistFile*>(this);
+ pUnk->AddRef();
+ *ppvObject = pUnk;
+ return S_OK;
+ }
+
+ return E_NOINTERFACE;
+}
+
+
+ULONG STDMETHODCALLTYPE CInfoTip::AddRef()
+{
+ return InterlockedIncrement(&m_RefCnt);
+}
+
+
+ULONG STDMETHODCALLTYPE CInfoTip::Release()
+{
+ long refcnt = InterlockedDecrement(&m_RefCnt);
+
+ if (0 == m_RefCnt)
+ delete this;
+
+ return refcnt;
+}
+
+//********************helper functions for GetInfoTip functions**********************
+
+/** get file type information from registry.
+*/
+static std::wstring getFileTypeInfo(const std::wstring& file_extension)
+{
+ wchar_t extKeyValue[MAX_STRING];
+ wchar_t typeKeyValue[MAX_STRING];
+ ::std::wstring sDot(L".");
+ if (QueryRegistryKey(HKEY_CLASSES_ROOT, sDot.append(file_extension).c_str(), L"", extKeyValue, MAX_STRING))
+ if (QueryRegistryKey( HKEY_CLASSES_ROOT, extKeyValue, L"",typeKeyValue, MAX_STRING))
+ return typeKeyValue;
+
+ return EMPTY_STRING;
+}
+
+/** get file size.
+*/
+static DWORD getSizeOfFile( wchar_t const * FileName )
+{
+ HANDLE hFile = CreateFileW(FileName, // open file
+ GENERIC_READ, // open for reading
+ FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, // share for all operations
+ nullptr, // no security
+ OPEN_EXISTING, // existing file only
+ FILE_ATTRIBUTE_NORMAL, // normal file
+ nullptr); // no attr. template
+
+ if (hFile != INVALID_HANDLE_VALUE)
+ {
+ DWORD dwSize = GetFileSize( hFile, nullptr );
+ CloseHandle( hFile );
+ return dwSize;
+ }
+
+ return INVALID_FILE_SIZE;
+}
+
+/** format file size in to be more readable.
+*/
+static std::wstring formatSizeOfFile( DWORD dwSize )
+{
+ if ( dwSize < 1000 )
+ {
+ char buffer[3];
+ int dFileSize = dwSize;
+
+ _itoa( dFileSize, buffer, 10 );
+ return StringToWString( buffer ).append(StringToWString("B"));
+ }
+
+ char *buffer=nullptr;
+ int decimal, sign;
+ double dFileSize = static_cast<double>(dwSize)/KB;
+
+ buffer = _fcvt( dFileSize, 1, &decimal, &sign );
+
+ ::std::wstring wsTemp = StringToWString( buffer );
+ int pos=decimal % 3;
+ ::std::wstring wsBuffer = wsTemp.substr( 0,pos);
+
+ if ( decimal )
+ for (;decimal - pos > 2;pos += 3)
+ {
+ if (pos)
+ wsBuffer.append(StringToWString(","));
+ wsBuffer.append( wsTemp.substr( pos, 3) );
+ }
+ else
+ wsBuffer.append(StringToWString("0"));
+
+ wsBuffer.append(StringToWString("."));
+ wsBuffer.append(wsTemp.substr( decimal, wsTemp.size()-decimal ));
+ wsBuffer.append(StringToWString("KB"));
+
+ return wsBuffer;
+}
+
+
+/** get file size information.
+*/
+static std::wstring getFileSizeInfo(wchar_t const * FileName)
+{
+ DWORD dwSize=getSizeOfFile(FileName);
+ if (dwSize != INVALID_FILE_SIZE)
+ return formatSizeOfFile( dwSize );
+
+ return EMPTY_STRING;
+}
+
+
+// IQueryInfo methods
+
+
+COM_DECLSPEC_NOTHROW HRESULT STDMETHODCALLTYPE CInfoTip::GetInfoTip(DWORD /*dwFlags*/, PWSTR* ppwszTip)
+{
+ std::wstring msg;
+ const std::wstring CONST_SPACE(SPACE);
+
+ //display File Type, no matter other info is loaded successfully or not.
+ std::wstring tmpTypeStr = getFileTypeInfo( get_file_name_extension(m_szFileName) );
+ if ( tmpTypeStr != EMPTY_STRING )
+ {
+ msg += GetResString(IDS_TYPE_COLON) + CONST_SPACE;
+ msg += tmpTypeStr;
+ }
+
+ try
+ {
+ CMetaInfoReader meta_info_accessor(m_szFileName);
+
+ //display document title;
+ if ( meta_info_accessor.getTagData( META_INFO_TITLE ).length() > 0)
+ {
+ if ( msg != EMPTY_STRING )
+ msg += L"\n";
+ msg += GetResString(IDS_TITLE_COLON) + CONST_SPACE;
+ msg += meta_info_accessor.getTagData( META_INFO_TITLE );
+ }
+ else
+ {
+ if ( msg != EMPTY_STRING )
+ msg += L"\n";
+ msg += GetResString(IDS_TITLE_COLON) + CONST_SPACE;
+ msg += m_FileNameOnly;
+ }
+
+ //display document author;
+ if ( meta_info_accessor.getTagData( META_INFO_AUTHOR ).length() > 0)
+ {
+ if ( msg != EMPTY_STRING )
+ msg += L"\n";
+ msg += GetResString( IDS_AUTHOR_COLON ) + CONST_SPACE;
+ msg += meta_info_accessor.getTagData( META_INFO_AUTHOR );
+ }
+
+ //display document subject;
+ if ( meta_info_accessor.getTagData( META_INFO_SUBJECT ).length() > 0)
+ {
+ if ( msg != EMPTY_STRING )
+ msg += L"\n";
+ msg += GetResString(IDS_SUBJECT_COLON) + CONST_SPACE;
+ msg += meta_info_accessor.getTagData( META_INFO_SUBJECT );
+ }
+
+ //display document description;
+ if ( meta_info_accessor.getTagData( META_INFO_DESCRIPTION ).length() > 0)
+ {
+ if ( msg != EMPTY_STRING )
+ msg += L"\n";
+ msg += GetResString( IDS_COMMENTS_COLON ) + CONST_SPACE;
+ msg += meta_info_accessor.getTagData( META_INFO_DESCRIPTION );
+ }
+
+ //display modified time formatted into locale representation.
+ if ( iso8601_date_to_local_date(meta_info_accessor.getTagData(META_INFO_MODIFIED )).length() > 0)
+ {
+ if ( msg != EMPTY_STRING )
+ msg += L"\n";
+ msg += GetResString( IDS_MODIFIED_COLON ) + CONST_SPACE;
+ msg += iso8601_date_to_local_date(meta_info_accessor.getTagData(META_INFO_MODIFIED ));
+ }
+ }
+ catch (const std::exception&)
+ {
+ }
+
+ //display file size, no matter other information is loaded successfully or not.
+ std::wstring tmpSizeStr = getFileSizeInfo( m_szFileName );
+ if ( tmpSizeStr != EMPTY_STRING )
+ {
+ msg += L"\n";
+ msg += GetResString( IDS_SIZE_COLON ) + CONST_SPACE;
+ msg += tmpSizeStr;
+ }
+
+
+ //finalize and assign the string.
+ LPMALLOC lpMalloc;
+ HRESULT hr = SHGetMalloc(&lpMalloc);
+
+ if (SUCCEEDED(hr))
+ {
+ size_t len = sizeof(wchar_t) * msg.length() + sizeof(wchar_t);
+ wchar_t* pMem = static_cast<wchar_t*>(lpMalloc->Alloc(len));
+
+ ZeroMemory(pMem, len);
+
+ wcscpy_s(pMem, msg.length()+1, msg.c_str());
+
+ *ppwszTip = pMem;
+ lpMalloc->Release();
+
+ return S_OK;
+ }
+
+ return E_FAIL;
+}
+
+
+COM_DECLSPEC_NOTHROW HRESULT STDMETHODCALLTYPE CInfoTip::GetInfoFlags(DWORD * /*pdwFlags*/ )
+{
+ return E_NOTIMPL;
+}
+
+
+// IPersist methods
+
+
+HRESULT STDMETHODCALLTYPE CInfoTip::GetClassID(CLSID* pClassID)
+{
+ pClassID = const_cast<CLSID*>(&CLSID_INFOTIP_HANDLER);
+ return S_OK;
+}
+
+
+// IPersistFile methods
+
+
+HRESULT STDMETHODCALLTYPE CInfoTip::Load(LPCOLESTR pszFileName, DWORD /*dwMode*/)
+{
+ std::wstring fname = pszFileName;
+
+ // there must be a '\' and there must even be an
+ // extension, else we would not have been called
+ std::wstring::iterator begin = fname.begin() + fname.find_last_of(L"\\") + 1;
+ std::wstring::iterator end = fname.end();
+
+ m_FileNameOnly = std::wstring(begin, end);
+
+ fname = getShortPathName( fname );
+
+ // ZeroMemory because strncpy doesn't '\0'-terminates the destination
+ // string; reserve the last place in the buffer for the final '\0'
+ // that's why '(sizeof(m_szFileName) - 1)'
+ ZeroMemory(m_szFileName, sizeof(m_szFileName));
+ wcsncpy(m_szFileName, fname.c_str(), (sizeof(m_szFileName)/sizeof(*m_szFileName) - 1));
+
+ return S_OK;
+}
+
+
+HRESULT STDMETHODCALLTYPE CInfoTip::IsDirty()
+{
+ return E_NOTIMPL;
+}
+
+
+HRESULT STDMETHODCALLTYPE CInfoTip::Save(LPCOLESTR /*pszFileName*/, BOOL /*fRemember*/)
+{
+ return E_NOTIMPL;
+}
+
+
+HRESULT STDMETHODCALLTYPE CInfoTip::SaveCompleted(LPCOLESTR /*pszFileName*/)
+{
+ return E_NOTIMPL;
+}
+
+
+HRESULT STDMETHODCALLTYPE CInfoTip::GetCurFile(LPOLESTR __RPC_FAR * /*ppszFileName*/)
+{
+ return E_NOTIMPL;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */