Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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..af03f4a32
--- /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 = 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: */