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NanaZip.ShellExtension.cpp
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/*
* PROJECT: NanaZip
* FILE: NanaZip.ShellExtension.cpp
* PURPOSE: Implementation for NanaZip Shell Extension
*
* LICENSE: The MIT License
*
* DEVELOPER: MouriNaruto ([email protected])
*/
#include <Windows.h>
#include <shlwapi.h>
#pragma comment(lib, "Shlwapi.lib")
#include <shobjidl_core.h>
#include <winrt/Windows.Foundation.h>
#include "../SevenZip/CPP/Common/Common.h"
#include "../SevenZip/CPP/Windows/DLL.h"
#include "../SevenZip/CPP/Windows/FileDir.h"
#include "../SevenZip/CPP/Windows/FileFind.h"
#include "../SevenZip/CPP/Windows/FileName.h"
#include "../SevenZip/CPP/Windows/ProcessUtils.h"
#include "../SevenZip/CPP/7zip/UI/Common/ArchiveName.h"
#include "../SevenZip/CPP/7zip/UI/Common/CompressCall.h"
#include "../SevenZip/CPP/7zip/UI/Common/ExtractingFilePath.h"
#include "../SevenZip/CPP/7zip/UI/Common/ZipRegistry.h"
#include "../SevenZip/CPP/7zip/UI/FileManager/FormatUtils.h"
#include "../SevenZip/CPP/7zip/UI/FileManager/LangUtils.h"
#include "../SevenZip/CPP/7zip/UI/Explorer/ContextMenuFlags.h"
#include "../SevenZip/CPP/7zip/UI/Explorer/resource.h"
namespace
{
static const char* const kExtractExcludeExtensions =
" 3gp"
" aac ans ape asc asm asp aspx avi awk"
" bas bat bmp"
" c cs cls clw cmd cpp csproj css ctl cxx"
" def dep dlg dsp dsw"
" eps"
" f f77 f90 f95 fla flac frm"
" gif"
" h hpp hta htm html hxx"
" ico idl inc ini inl"
" java jpeg jpg js"
" la lnk log"
" mak manifest wmv mov mp3 mp4 mpe mpeg mpg m4a"
" ofr ogg"
" pac pas pdf php php3 php4 php5 phptml pl pm png ps py pyo"
" ra rb rc reg rka rm rtf"
" sed sh shn shtml sln sql srt swa"
" tcl tex tiff tta txt"
" vb vcproj vbs"
" wav webp wma wv"
" xml xsd xsl xslt"
" ";
static bool FindExt(const char* p, const FString& name)
{
int dotPos = name.ReverseFind_Dot();
if (dotPos < 0 || dotPos == (int)name.Len() - 1)
return false;
AString s;
for (unsigned pos = dotPos + 1;; pos++)
{
wchar_t c = name[pos];
if (c == 0)
break;
if (c >= 0x80)
return false;
s += (char)MyCharLower_Ascii((char)c);
}
for (unsigned i = 0; p[i] != 0;)
{
unsigned j;
for (j = i; p[j] != ' '; j++);
if (s.Len() == j - i && memcmp(p + i, (const char*)s, s.Len()) == 0)
return true;
i = j + 1;
}
return false;
}
static bool DoNeedExtract(const FString& name)
{
return !FindExt(kExtractExcludeExtensions, name);
}
static const char* const kArcExts[] =
{
"7z"
, "bz2"
, "gz"
, "lz"
, "liz"
, "lz4"
, "lz5"
, "rar"
, "zip"
, "zst"
};
static bool IsItArcExt(const UString& ext)
{
for (unsigned i = 0; i < ARRAY_SIZE(kArcExts); i++)
if (ext.IsEqualTo_Ascii_NoCase(kArcExts[i]))
return true;
return false;
}
UString GetSubFolderNameForExtract(const UString& arcName)
{
int dotPos = arcName.ReverseFind_Dot();
if (dotPos < 0)
return Get_Correct_FsFile_Name(arcName) + L'~';
const UString ext = arcName.Ptr(dotPos + 1);
UString res = arcName.Left(dotPos);
res.TrimRight();
dotPos = res.ReverseFind_Dot();
if (dotPos > 0)
{
const UString ext2 = res.Ptr(dotPos + 1);
if ((ext.IsEqualTo_Ascii_NoCase("001") && IsItArcExt(ext2))
|| (ext.IsEqualTo_Ascii_NoCase("rar") &&
(ext2.IsEqualTo_Ascii_NoCase("part001")
|| ext2.IsEqualTo_Ascii_NoCase("part01")
|| ext2.IsEqualTo_Ascii_NoCase("part1"))))
res.DeleteFrom(dotPos);
res.TrimRight();
}
return Get_Correct_FsFile_Name(res);
}
static void ReduceString(UString& s)
{
const unsigned kMaxSize = 64;
if (s.Len() <= kMaxSize)
return;
s.Delete(kMaxSize / 2, s.Len() - kMaxSize);
s.Insert(kMaxSize / 2, L" ... ");
}
static UString GetQuotedReducedString(const UString& s)
{
UString s2 = s;
ReduceString(s2);
s2.Replace(L"&", L"&&");
return GetQuotedString(s2);
}
static void MyFormatNew_ReducedName(UString& s, const UString& name)
{
s = MyFormatNew(s, GetQuotedReducedString(name));
}
static UString GetNanaZipPath()
{
return fs2us(NWindows::NDLL::GetModuleDirPrefix()) + L"NanaZip.Modern.exe";
}
}
namespace NanaZip::ShellExtension
{
namespace CommandID
{
enum
{
None,
Open,
Test,
Extract,
ExtractHere,
ExtractHereSmart,
ExtractTo,
Compress,
CompressTo7z,
CompressToZip,
CompressEmail,
CompressTo7zEmail,
CompressToZipEmail,
HashCRC32,
HashCRC64,
HashSHA1,
HashSHA256,
HashAll,
Maximum
};
}
using SubCommandList = std::vector<winrt::com_ptr<IExplorerCommand>>;
using SubCommandListIterator = SubCommandList::const_iterator;
struct ExplorerCommandBase : public winrt::implements<
ExplorerCommandBase,
IExplorerCommand>
{
private:
std::wstring m_Title;
DWORD m_CommandID;
bool m_IsSeparator;
CBoolPair m_ElimDup;
UInt32 m_WriteZone;
public:
ExplorerCommandBase(
std::wstring const& Title = std::wstring(),
DWORD CommandID = CommandID::None,
CBoolPair const& ElimDup = CBoolPair(),
UInt32 const& WriteZone = static_cast<UInt32>(-1)) :
m_Title(Title),
m_CommandID(CommandID),
m_ElimDup(ElimDup),
m_WriteZone(WriteZone)
{
this->m_IsSeparator = (this->m_CommandID == CommandID::None);
}
#pragma region IExplorerCommand
HRESULT STDMETHODCALLTYPE GetTitle(
_In_opt_ IShellItemArray* psiItemArray,
_Outptr_ LPWSTR* ppszName)
{
UNREFERENCED_PARAMETER(psiItemArray);
if (this->m_IsSeparator)
{
*ppszName = nullptr;
return S_FALSE;
}
return ::SHStrDupW(this->m_Title.c_str(), ppszName);
}
HRESULT STDMETHODCALLTYPE GetIcon(
_In_opt_ IShellItemArray* psiItemArray,
_Outptr_ LPWSTR* ppszIcon)
{
UNREFERENCED_PARAMETER(psiItemArray);
*ppszIcon = nullptr;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE GetToolTip(
_In_opt_ IShellItemArray* psiItemArray,
_Outptr_ LPWSTR* ppszInfotip)
{
UNREFERENCED_PARAMETER(psiItemArray);
*ppszInfotip = nullptr;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE GetCanonicalName(
_Out_ GUID* pguidCommandName)
{
*pguidCommandName = GUID_NULL;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE GetState(
_In_opt_ IShellItemArray* psiItemArray,
_In_ BOOL fOkToBeSlow,
_Out_ EXPCMDSTATE* pCmdState)
{
UNREFERENCED_PARAMETER(psiItemArray);
UNREFERENCED_PARAMETER(fOkToBeSlow);
*pCmdState = ECS_ENABLED;
return S_OK;
}
HRESULT STDMETHODCALLTYPE Invoke(
_In_opt_ IShellItemArray* psiItemArray,
_In_opt_ IBindCtx* pbc)
{
UNREFERENCED_PARAMETER(pbc);
if (this->m_IsSeparator)
{
return E_NOTIMPL;
}
std::vector<std::wstring> FilePaths;
if (psiItemArray)
{
DWORD Count = 0;
if (SUCCEEDED(psiItemArray->GetCount(&Count)))
{
for (DWORD i = 0; i < Count; ++i)
{
winrt::com_ptr<IShellItem> Item;
if (SUCCEEDED(psiItemArray->GetItemAt(
i,
Item.put())))
{
LPWSTR DisplayName = nullptr;
if (SUCCEEDED(Item->GetDisplayName(
SIGDN_FILESYSPATH,
&DisplayName)))
{
FilePaths.push_back(std::wstring(DisplayName));
::CoTaskMemFree(DisplayName);
}
}
}
}
}
bool NeedExtract = false;
if (FilePaths.size() > 0)
{
for (std::wstring const FilePath : FilePaths)
{
DWORD FileAttributes = ::GetFileAttributesW(
FilePath.c_str());
if (FileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
continue;
}
if (DoNeedExtract(::PathFindFileNameW(FilePath.c_str())))
{
NeedExtract = true;
break;
}
}
}
std::wstring SpecFolder = L"*";
if (NeedExtract)
{
if (FilePaths.size() == 1)
{
SpecFolder = GetSubFolderNameForExtract(
::PathFindFileNameW(FilePaths[0].c_str()));
}
SpecFolder += L'\\';
}
UStringVector FileNames;
for (std::wstring const FilePath : FilePaths)
{
FileNames.Add(FilePath.c_str());
}
FString FolderPrefix;
std::wstring ArchiveName;
if (FilePaths.size() > 0)
{
NWindows::NFile::NFind::CFileInfo FileInfo0;
const UString& FileName = FileNames.Front();
if (NWindows::NFile::NName::IsDevicePath(us2fs(FileName)))
{
// CFileInfo::Find can be slow for device files. So we
// don't call it.
// we need only name here.
// change it 4 - must be constant
FileInfo0.Name = us2fs(FileName.Ptr(
NWindows::NFile::NName::kDevicePathPrefixSize));
FolderPrefix = "C:\\";
}
else
{
if (!FileInfo0.Find(us2fs(FileName)))
{
return ::HRESULT_FROM_WIN32(::GetLastError());
}
NWindows::NFile::NDir::GetOnlyDirPrefix(
us2fs(FileName),
FolderPrefix);
}
const UString Name = CreateArchiveName(
FileNames,
FileNames.Size() == 1 ? &FileInfo0 : nullptr);
ArchiveName = std::wstring(Name.Ptr(), Name.Len());
}
std::wstring BaseFolder = std::wstring(
FolderPrefix.Ptr(),
FolderPrefix.Len());
std::wstring ArchiveName7z = ArchiveName + L".7z";
std::wstring ArchiveNameZip = ArchiveName + L".zip";
switch (this->m_CommandID)
{
case CommandID::Open:
{
if (FilePaths.size() != 1)
{
break;
}
DWORD FileAttributes = ::GetFileAttributesW(
FilePaths[0].c_str());
if (FileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
break;
}
if (!DoNeedExtract(FilePaths[0].c_str()))
{
break;
}
UString params;
params = GetQuotedString(FilePaths[0].c_str());
NWindows::MyCreateProcess(::GetNanaZipPath(), params);
break;
}
case CommandID::Test:
{
if (!NeedExtract)
{
break;
}
TestArchives(FileNames);
break;
}
case CommandID::Extract:
case CommandID::ExtractHere:
case CommandID::ExtractHereSmart:
case CommandID::ExtractTo:
{
if (!NeedExtract)
{
break;
}
std::wstring Folder = BaseFolder;
if (this->m_CommandID != CommandID::ExtractHere &&
this->m_CommandID != CommandID::ExtractHereSmart)
{
Folder += SpecFolder;
}
ExtractArchives(
FileNames,
Folder.c_str(),
(this->m_CommandID == CommandID::Extract),
((this->m_CommandID == CommandID::ExtractTo)
&& this->m_ElimDup.Val),
this->m_WriteZone,
(this->m_CommandID == CommandID::ExtractHereSmart));
break;
}
case CommandID::Compress:
case CommandID::CompressTo7z:
case CommandID::CompressToZip:
case CommandID::CompressEmail:
case CommandID::CompressTo7zEmail:
case CommandID::CompressToZipEmail:
{
bool Email =(
(this->m_CommandID == CommandID::CompressEmail) ||
(this->m_CommandID == CommandID::CompressTo7zEmail) ||
(this->m_CommandID == CommandID::CompressToZipEmail));
bool ShowDialog = (
(this->m_CommandID == CommandID::Compress) ||
(this->m_CommandID == CommandID::CompressEmail));
bool AddExtension = (
(this->m_CommandID == CommandID::Compress) ||
(this->m_CommandID == CommandID::CompressEmail));
bool Is7z = (
(this->m_CommandID == CommandID::CompressTo7z) ||
(this->m_CommandID == CommandID::CompressTo7zEmail));
std::wstring Name = (
AddExtension
? ArchiveName
: (Is7z ? ArchiveName7z : ArchiveNameZip));
CompressFiles(
BaseFolder.c_str(),
Name.c_str(),
Is7z ? L"7z" : L"zip",
AddExtension,
FileNames,
Email,
ShowDialog,
false);
break;
}
case CommandID::HashCRC32:
case CommandID::HashCRC64:
case CommandID::HashSHA1:
case CommandID::HashSHA256:
case CommandID::HashAll:
{
std::wstring MethodName;
switch (this->m_CommandID)
{
case CommandID::HashCRC32:
MethodName = L"CRC32";
break;
case CommandID::HashCRC64:
MethodName = L"CRC64";
break;
case CommandID::HashSHA1:
MethodName = L"SHA1";
break;
case CommandID::HashSHA256:
MethodName = L"SHA256";
break;
case CommandID::HashAll:
MethodName = L"*";
break;
default:
break;
}
CalcChecksum(FileNames, MethodName.c_str(), L"", L"");
break;
}
default:
break;
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE GetFlags(
_Out_ EXPCMDFLAGS* pFlags)
{
*pFlags =
this->m_IsSeparator
? ECF_ISSEPARATOR
: ECF_DEFAULT;
return S_OK;
}
HRESULT STDMETHODCALLTYPE EnumSubCommands(
_Outptr_ IEnumExplorerCommand** ppEnum)
{
*ppEnum = nullptr;
return E_NOTIMPL;
}
#pragma endregion
};
struct ExplorerCommandRoot : public winrt::implements<
ExplorerCommandRoot,
IExplorerCommand,
IEnumExplorerCommand>
{
private:
DWORD m_ContextMenuFlags;
CBoolPair m_ContextMenuElimDup;
bool m_Initialized = false;
SubCommandList m_SubCommands;
SubCommandListIterator m_CurrentSubCommand;
void Initialize(
_In_opt_ IShellItemArray* psiItemArray)
{
if (m_Initialized)
{
return;
}
m_Initialized = true;
std::vector<std::wstring> FilePaths;
if (psiItemArray)
{
DWORD Count = 0;
if (SUCCEEDED(psiItemArray->GetCount(&Count)))
{
for (DWORD i = 0; i < Count; ++i)
{
winrt::com_ptr<IShellItem> Item;
if (SUCCEEDED(psiItemArray->GetItemAt(
i,
Item.put())))
{
LPWSTR DisplayName = nullptr;
if (SUCCEEDED(Item->GetDisplayName(
SIGDN_FILESYSPATH,
&DisplayName)))
{
FilePaths.push_back(std::wstring(DisplayName));
::CoTaskMemFree(DisplayName);
}
}
}
}
}
if (FilePaths.empty())
{
return;
}
UStringVector FileNames;
for (std::wstring const FilePath : FilePaths)
{
FileNames.Add(FilePath.c_str());
}
bool NeedExtract = false;
for (std::wstring const FilePath : FilePaths)
{
DWORD FileAttributes = ::GetFileAttributesW(
FilePath.c_str());
if (FileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
continue;
}
if (DoNeedExtract(::PathFindFileNameW(FilePath.c_str())))
{
NeedExtract = true;
break;
}
}
std::wstring SpecFolder = L"*";
if (NeedExtract)
{
if (FilePaths.size() == 1)
{
SpecFolder = GetSubFolderNameForExtract(
::PathFindFileNameW(FilePaths[0].c_str()));
}
SpecFolder += L'\\';
}
FString FolderPrefix;
std::wstring ArchiveName;
{
NWindows::NFile::NFind::CFileInfo FileInfo0;
const UString& FileName = FileNames.Front();
if (NWindows::NFile::NName::IsDevicePath(us2fs(FileName)))
{
// CFileInfo::Find can be slow for device files. So we
// don't call it.
// we need only name here.
// change it 4 - must be constant
FileInfo0.Name = us2fs(FileName.Ptr(
NWindows::NFile::NName::kDevicePathPrefixSize));
FolderPrefix = "C:\\";
}
else
{
if (!FileInfo0.Find(us2fs(FileName)))
{
return;
}
NWindows::NFile::NDir::GetOnlyDirPrefix(
us2fs(FileName),
FolderPrefix);
}
const UString Name = CreateArchiveName(
FileNames,
FileNames.Size() == 1 ? &FileInfo0 : nullptr);
ArchiveName = std::wstring(Name.Ptr(), Name.Len());
}
std::wstring BaseFolder = std::wstring(
FolderPrefix.Ptr(),
FolderPrefix.Len());
std::wstring ArchiveName7z = ArchiveName + L".7z";
std::wstring ArchiveNameZip = ArchiveName + L".zip";
using NanaZip::ShellExtension::ExplorerCommandBase;
CContextMenuInfo ContextMenuInfo;
ContextMenuInfo.Load();
DWORD ContextMenuFlags = ContextMenuInfo.Flags;
CBoolPair ContextMenuElimDup = ContextMenuInfo.ElimDup;
UInt32 ContextMenuWriteZone = ContextMenuInfo.WriteZone;
LoadLangOneTime();
if (ContextMenuFlags & NContextMenuFlags::kOpen)
{
DWORD FileAttributes = ::GetFileAttributesW(
FilePaths[0].c_str());
if ((FilePaths.size() == 1) &&
!(FileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
DoNeedExtract(FilePaths[0].c_str()))
{
UString TranslatedString;
LangString(IDS_CONTEXT_OPEN, TranslatedString);
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::Open));
}
}
if (NeedExtract)
{
if (ContextMenuFlags & NContextMenuFlags::kTest)
{
UString TranslatedString;
LangString(IDS_CONTEXT_TEST, TranslatedString);
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::Test));
}
if (ContextMenuFlags & NContextMenuFlags::kExtract)
{
UString TranslatedString;
LangString(IDS_CONTEXT_EXTRACT, TranslatedString);
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::Extract,
ContextMenuElimDup,
ContextMenuWriteZone));
}
if (ContextMenuFlags & NContextMenuFlags::kExtractHere)
{
UString TranslatedString;
LangString(IDS_CONTEXT_EXTRACT_HERE, TranslatedString);
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::ExtractHere,
ContextMenuElimDup,
ContextMenuWriteZone));
}
if (ContextMenuFlags & NContextMenuFlags::kExtractHereSmart)
{
UString TranslatedString;
LangString(IDS_CONTEXT_EXTRACT_HERE_SMART, TranslatedString);
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::ExtractHereSmart,
ContextMenuElimDup,
ContextMenuWriteZone));
}
if (ContextMenuFlags & NContextMenuFlags::kExtractTo)
{
UString TranslatedString;
LangString(IDS_CONTEXT_EXTRACT_TO, TranslatedString);
MyFormatNew_ReducedName(TranslatedString, SpecFolder.c_str());
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::ExtractTo,
ContextMenuElimDup,
ContextMenuWriteZone));
}
}
if (ContextMenuFlags & NContextMenuFlags::kCompress)
{
UString TranslatedString;
LangString(IDS_CONTEXT_COMPRESS, TranslatedString);
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::Compress));
}
if (ContextMenuFlags & NContextMenuFlags::kCompressTo7z)
{
UString TranslatedString;
LangString(IDS_CONTEXT_COMPRESS_TO, TranslatedString);
MyFormatNew_ReducedName(TranslatedString, ArchiveName7z.c_str());
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::CompressTo7z));
}
if (ContextMenuFlags & NContextMenuFlags::kCompressToZip)
{
UString TranslatedString;
LangString(IDS_CONTEXT_COMPRESS_TO, TranslatedString);
MyFormatNew_ReducedName(TranslatedString, ArchiveNameZip.c_str());
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::CompressToZip));
}
if (ContextMenuFlags & NContextMenuFlags::kCompressEmail)
{
UString TranslatedString;
LangString(IDS_CONTEXT_COMPRESS_EMAIL, TranslatedString);
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::CompressEmail));
}
if (ContextMenuFlags & NContextMenuFlags::kCompressTo7zEmail)
{
UString TranslatedString;
LangString(IDS_CONTEXT_COMPRESS_TO_EMAIL, TranslatedString);
MyFormatNew_ReducedName(TranslatedString, ArchiveName7z.c_str());
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::CompressTo7zEmail));
}
if (ContextMenuFlags & NContextMenuFlags::kCompressToZipEmail)
{
UString TranslatedString;
LangString(IDS_CONTEXT_COMPRESS_TO_EMAIL, TranslatedString);
MyFormatNew_ReducedName(TranslatedString, ArchiveNameZip.c_str());
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
std::wstring(
TranslatedString.Ptr(),
TranslatedString.Len()),
CommandID::CompressToZipEmail));
}
if (ContextMenuFlags & NContextMenuFlags::kCRC)
{
if (!this->m_SubCommands.empty())
{
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>());
}
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
L"CRC-32",
CommandID::HashCRC32));
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
L"CRC-64",
CommandID::HashCRC64));
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
L"SHA-1",
CommandID::HashSHA1));
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
L"SHA-256",
CommandID::HashSHA256));
this->m_SubCommands.push_back(
winrt::make<ExplorerCommandBase>(
L"*",
CommandID::HashAll));
}
}
public:
ExplorerCommandRoot()
{
CContextMenuInfo ContextMenuInfo;
ContextMenuInfo.Load();
this->m_ContextMenuFlags = ContextMenuInfo.Flags;
this->m_ContextMenuElimDup = ContextMenuInfo.ElimDup;
}
#pragma region IExplorerCommand
HRESULT STDMETHODCALLTYPE GetTitle(
_In_opt_ IShellItemArray* psiItemArray,
_Outptr_ LPWSTR* ppszName)
{
this->Initialize(psiItemArray);
if (this->m_SubCommands.empty())
{
*ppszName = nullptr;
return E_NOTIMPL;
}
return ::SHStrDupW(L"NanaZip Preview", ppszName);
}
HRESULT STDMETHODCALLTYPE GetIcon(
_In_opt_ IShellItemArray* psiItemArray,
_Outptr_ LPWSTR* ppszIcon)
{
UNREFERENCED_PARAMETER(psiItemArray);
UString Path = ::GetNanaZipPath();
std::wstring Icon = std::wstring(Path.Ptr(), Path.Len());
Icon += L",-1";
return ::SHStrDupW(Icon.c_str(), ppszIcon);
}
HRESULT STDMETHODCALLTYPE GetToolTip(
_In_opt_ IShellItemArray* psiItemArray,
_Outptr_ LPWSTR* ppszInfotip)
{
UNREFERENCED_PARAMETER(psiItemArray);
*ppszInfotip = nullptr;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE GetCanonicalName(
_Out_ GUID* pguidCommandName)
{
*pguidCommandName = GUID_NULL;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE GetState(
_In_opt_ IShellItemArray* psiItemArray,
_In_ BOOL fOkToBeSlow,
_Out_ EXPCMDSTATE* pCmdState)
{
UNREFERENCED_PARAMETER(psiItemArray);
UNREFERENCED_PARAMETER(fOkToBeSlow);
*pCmdState = ECS_ENABLED;
return S_OK;
}
HRESULT STDMETHODCALLTYPE Invoke(
_In_opt_ IShellItemArray* psiItemArray,
_In_opt_ IBindCtx* pbc)
{
UNREFERENCED_PARAMETER(psiItemArray);
UNREFERENCED_PARAMETER(pbc);
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE GetFlags(
_Out_ EXPCMDFLAGS* pFlags)
{
*pFlags = ECF_HASSUBCOMMANDS;
return S_OK;
}
HRESULT STDMETHODCALLTYPE EnumSubCommands(
_Outptr_ IEnumExplorerCommand** ppEnum)
{
if (this->m_SubCommands.empty())
{
*ppEnum = nullptr;
return E_NOTIMPL;