nextcloud-desktop/shell_integration/windows/NCContextMenu/NCClientInterface.cpp
Matthieu Gallien 4bf1b8604c
if desktop client sent a first reply: wait for the menu data
may need the user to wait a bit longer but should prevent missing the
context menu

should still be robust since we only wait indefinitely if desktop client
sent a first reply

Signed-off-by: Matthieu Gallien <matthieu.gallien@nextcloud.com>
2024-03-20 09:44:33 +01:00

99 lines
3.4 KiB
C++

/**
* Copyright (c) 2015 Daniel Molkentin <danimo@owncloud.com>. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License for more
* details.
*/
#include "NCClientInterface.h"
#include "CommunicationSocket.h"
#include "StringUtil.h"
#include <shlobj.h>
#include <Strsafe.h>
#include <algorithm>
#include <iostream>
#include <sstream>
#include <iterator>
#include <unordered_set>
using namespace std;
#define PIPE_TIMEOUT 5*1000 //ms
NCClientInterface::ContextMenuInfo NCClientInterface::FetchInfo(const std::wstring &files)
{
auto pipename = CommunicationSocket::DefaultPipePath();
CommunicationSocket socket;
if (!WaitNamedPipe(pipename.data(), PIPE_TIMEOUT)) {
return {};
}
if (!socket.Connect(pipename)) {
return {};
}
socket.SendMsg(L"GET_STRINGS:CONTEXT_MENU_TITLE\n");
socket.SendMsg((L"GET_MENU_ITEMS:" + files + L"\n").data());
ContextMenuInfo info;
std::wstring response;
int sleptCount = 0;
constexpr auto noReplyTimeout = 20;
constexpr auto replyTimeout = 200;
bool receivedReplyFromDesktopClient = false;
while ((!receivedReplyFromDesktopClient && sleptCount < noReplyTimeout) || (receivedReplyFromDesktopClient && sleptCount < replyTimeout)) {
if (socket.ReadLine(&response)) {
if (StringUtil::begins_with(response, wstring(L"REGISTER_PATH:"))) {
wstring responsePath = response.substr(14); // length of REGISTER_PATH
info.watchedDirectories.push_back(responsePath);
}
else if (StringUtil::begins_with(response, wstring(L"STRING:"))) {
wstring stringName, stringValue;
if (!StringUtil::extractChunks(response, stringName, stringValue))
continue;
if (stringName == L"CONTEXT_MENU_TITLE")
info.contextMenuTitle = move(stringValue);
} else if (StringUtil::begins_with(response, wstring(L"MENU_ITEM:"))) {
wstring commandName, flags, title;
if (!StringUtil::extractChunks(response, commandName, flags, title))
continue;
info.menuItems.push_back({ commandName, flags, title });
} else if (StringUtil::begins_with(response, wstring(L"GET_MENU_ITEMS:BEGIN"))) {
receivedReplyFromDesktopClient = true;
continue;
} else if (StringUtil::begins_with(response, wstring(L"GET_MENU_ITEMS:END"))) {
break; // Stop once we completely received the last sent request
}
}
else {
Sleep(50);
++sleptCount;
}
}
return info;
}
void NCClientInterface::SendRequest(const wchar_t *verb, const std::wstring &path)
{
auto pipename = CommunicationSocket::DefaultPipePath();
CommunicationSocket socket;
if (!WaitNamedPipe(pipename.data(), PIPE_TIMEOUT)) {
return;
}
if (!socket.Connect(pipename)) {
return;
}
socket.SendMsg((verb + (L":" + path + L"\n")).data());
}