mirror of
https://github.com/nextcloud/desktop.git
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9d830e94f9
Signed-off-by: Dimitri Papadopoulos <3234522+DimitriPapadopoulos@users.noreply.github.com>
162 lines
4 KiB
C++
162 lines
4 KiB
C++
/**
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* Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*/
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#include "NCOverlay.h"
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#include "NCOverlayFactory.h"
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#include "StringUtil.h"
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#include "RemotePathChecker.h"
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#include <algorithm>
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#include <iostream>
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#include <fstream>
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#include <memory>
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using namespace std;
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#pragma comment(lib, "shlwapi.lib")
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extern HINSTANCE instanceHandle;
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#define IDM_DISPLAY 0
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#define IDB_OK 101
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namespace {
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unique_ptr<RemotePathChecker> s_instance;
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RemotePathChecker *getGlobalChecker()
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{
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// On Vista we'll run into issue #2680 if we try to create the thread+pipe connection
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// on any DllGetClassObject of our registered classes.
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// Work around the issue by creating the static RemotePathChecker only once actually needed.
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static once_flag s_onceFlag;
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call_once(s_onceFlag, [] { s_instance.reset(new RemotePathChecker); });
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return s_instance.get();
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}
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}
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NCOverlay::NCOverlay(int state)
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: _referenceCount(1)
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, _state(state)
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{
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}
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NCOverlay::~NCOverlay(void)
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{
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}
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IFACEMETHODIMP_(ULONG) NCOverlay::AddRef()
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{
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return InterlockedIncrement(&_referenceCount);
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}
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IFACEMETHODIMP NCOverlay::QueryInterface(REFIID riid, void **ppv)
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{
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HRESULT hr = S_OK;
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if (IsEqualIID(IID_IUnknown, riid) || IsEqualIID(IID_IShellIconOverlayIdentifier, riid))
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{
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*ppv = static_cast<IShellIconOverlayIdentifier *>(this);
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}
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else
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{
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hr = E_NOINTERFACE;
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*ppv = nullptr;
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}
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if (*ppv)
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{
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AddRef();
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}
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return hr;
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}
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IFACEMETHODIMP_(ULONG) NCOverlay::Release()
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{
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ULONG cRef = InterlockedDecrement(&_referenceCount);
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if (0 == cRef)
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{
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delete this;
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}
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return cRef;
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}
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IFACEMETHODIMP NCOverlay::GetPriority(int *pPriority)
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{
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// this defines which handler has precedence, so
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// we order this in terms of likelihood
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switch (_state) {
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case State_OK:
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*pPriority = 0; break;
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case State_OKShared:
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*pPriority = 1; break;
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case State_Warning:
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*pPriority = 2; break;
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case State_Sync:
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*pPriority = 3; break;
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case State_Error:
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*pPriority = 4; break;
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default:
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*pPriority = 5; break;
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}
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return S_OK;
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}
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IFACEMETHODIMP NCOverlay::IsMemberOf(PCWSTR pwszPath, DWORD dwAttrib)
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{
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RemotePathChecker* checker = getGlobalChecker();
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std::shared_ptr<const std::vector<std::wstring>> watchedDirectories = checker->WatchedDirectories();
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if (watchedDirectories->empty()) {
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return MAKE_HRESULT(S_FALSE, 0, 0);
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}
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bool watched = false;
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size_t pathLength = wcslen(pwszPath);
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for (auto it = watchedDirectories->begin(); it != watchedDirectories->end(); ++it) {
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if (StringUtil::isDescendantOf(pwszPath, pathLength, *it)) {
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watched = true;
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}
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}
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if (!watched) {
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return MAKE_HRESULT(S_FALSE, 0, 0);
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}
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int state = 0;
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if (!checker->IsMonitoredPath(pwszPath, &state)) {
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return MAKE_HRESULT(S_FALSE, 0, 0);
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}
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return MAKE_HRESULT(state == _state ? S_OK : S_FALSE, 0, 0);
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}
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IFACEMETHODIMP NCOverlay::GetOverlayInfo(PWSTR pwszIconFile, int cchMax, int *pIndex, DWORD *pdwFlags)
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{
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*pIndex = 0;
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*pdwFlags = ISIOI_ICONFILE | ISIOI_ICONINDEX;
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*pIndex = _state;
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if (GetModuleFileName(instanceHandle, pwszIconFile, cchMax) == 0) {
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HRESULT hResult = HRESULT_FROM_WIN32(GetLastError());
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wcerr << L"IsOK? " << (hResult == S_OK) << L" with path " << pwszIconFile << L", index " << *pIndex << endl;
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return hResult;
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}
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return S_OK;
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}
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