Files
LookingGlass/idd/LGIddHelper/CClipboardFiles.h
2026-08-14 18:13:22 +10:00

116 lines
3.4 KiB
C++

/**
* Looking Glass
* Copyright © 2017-2026 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include <Windows.h>
#include <ObjIdl.h>
#include <OleIdl.h>
#include <ShellAPI.h>
#include <common/KVMFRClipboard.h>
#include <atomic>
#include <cstdint>
#include <memory>
#include <mutex>
#include <string>
#include <vector>
struct ClipboardRemoteFileEntry
{
uint64_t node = 0;
uint64_t parent = 0;
uint64_t size = 0;
uint64_t createdNs = 0;
uint64_t modifiedNs = 0;
KVMFRClipboardFileType type = KVMFR_CLIPBOARD_FILE_TYPE_REGULAR;
std::wstring name;
};
class CLocalClipboardFiles final
{
public:
struct Node
{
uint64_t id = 0;
uint64_t size = 0;
uint64_t createdNs = 0;
uint64_t modifiedNs = 0;
KVMFRClipboardFileType type = KVMFR_CLIPBOARD_FILE_TYPE_REGULAR;
std::wstring name;
std::wstring path;
bool childrenLoaded = false;
DWORD volumeSerial = 0;
DWORD fileIndexHigh = 0;
DWORD fileIndexLow = 0;
std::vector<uint64_t> children;
};
private:
std::mutex m_lock;
std::vector<Node> m_nodes;
std::vector<uint64_t> m_roots;
HANDLE m_userToken = nullptr;
bool m_published = false;
explicit CLocalClipboardFiles(HANDLE userToken);
bool AddRoot(const std::wstring& path, KVMFRClipboardFileError& error);
bool RefreshRoots(KVMFRClipboardFileError& error);
bool LoadChildren(size_t index, KVMFRClipboardFileError& error);
bool CaptureIdentity(Node& node, KVMFRClipboardFileError& error) const;
bool CheckIdentity(const Node& node, KVMFRClipboardFileError& error) const;
public:
~CLocalClipboardFiles();
CLocalClipboardFiles(const CLocalClipboardFiles&) = delete;
CLocalClipboardFiles& operator=(const CLocalClipboardFiles&) = delete;
static std::shared_ptr<CLocalClipboardFiles> Capture(HDROP drop,
KVMFRClipboardFileError& error);
size_t RootCount() const;
bool List(uint64_t node, std::vector<uint8_t>& data,
KVMFRClipboardFileError& error);
bool Read(uint64_t node, uint64_t offset, uint32_t length,
std::vector<uint8_t>& data, KVMFRClipboardFileError& error);
};
class IRemoteClipboardFileProvider
{
public:
virtual ~IRemoteClipboardFileProvider() = default;
virtual HRESULT ReadClipboardFile(uint64_t dataset, uint64_t acquisition,
uint64_t node, uint64_t offset, void * data, ULONG length,
ULONG& read) = 0;
virtual void ReleaseClipboardFileDataset(uint64_t dataset,
uint64_t acquisition) = 0;
};
HRESULT ParseClipboardFileList(uint64_t parent, const uint8_t * data,
size_t length, std::vector<ClipboardRemoteFileEntry>& entries);
HRESULT CreateClipboardFileDataObject(uint64_t dataset, uint64_t acquisition,
std::vector<ClipboardRemoteFileEntry>&& entries,
std::shared_ptr<IRemoteClipboardFileProvider> provider,
IDataObject ** object);