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Add progress dialog for long startup enumerations
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,226 @@ | ||
| #include "stdafx.h" | ||
| #include "SmartRenameEnum.h" | ||
| #include <ShlGuid.h> | ||
|
|
||
| IFACEMETHODIMP_(ULONG) CSmartRenameEnum::AddRef() | ||
| { | ||
| return InterlockedIncrement(&m_refCount); | ||
| } | ||
|
|
||
| IFACEMETHODIMP_(ULONG) CSmartRenameEnum::Release() | ||
| { | ||
| long refCount = InterlockedDecrement(&m_refCount); | ||
|
|
||
| if (refCount == 0) | ||
| { | ||
| delete this; | ||
| } | ||
| return refCount; | ||
| } | ||
|
|
||
| IFACEMETHODIMP CSmartRenameEnum::QueryInterface(_In_ REFIID riid, _Outptr_ void** ppv) | ||
| { | ||
| static const QITAB qit[] = { | ||
| QITABENT(CSmartRenameEnum, ISmartRenameEnum), | ||
| { 0 } | ||
| }; | ||
| return QISearch(this, qit, riid, ppv); | ||
| } | ||
|
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| IFACEMETHODIMP CSmartRenameEnum::Advise(_In_ ISmartRenameEnumEvents* events, _Out_ DWORD* cookie) | ||
| { | ||
| CSRWExclusiveAutoLock lock(&m_lockEvents); | ||
| m_cookie++; | ||
| RENAME_ENUM_EVENT srme; | ||
| srme.cookie = m_cookie; | ||
| srme.pEvents = events; | ||
| events->AddRef(); | ||
| m_renameEnumEvents.push_back(srme); | ||
|
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| *cookie = m_cookie; | ||
|
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| return S_OK; | ||
| } | ||
|
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| IFACEMETHODIMP CSmartRenameEnum::UnAdvise(_In_ DWORD cookie) | ||
| { | ||
| HRESULT hr = E_FAIL; | ||
| CSRWExclusiveAutoLock lock(&m_lockEvents); | ||
|
|
||
| for (std::vector<RENAME_ENUM_EVENT>::iterator it = m_renameEnumEvents.begin(); it != m_renameEnumEvents.end(); ++it) | ||
| { | ||
| if (it->cookie == cookie) | ||
| { | ||
| hr = S_OK; | ||
| it->cookie = 0; | ||
| if (it->pEvents) | ||
| { | ||
| it->pEvents->Release(); | ||
| it->pEvents = nullptr; | ||
| } | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| return hr; | ||
| } | ||
|
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||
|
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| IFACEMETHODIMP CSmartRenameEnum::Start() | ||
| { | ||
| _OnStarted(); | ||
| m_canceled = false; | ||
| CComPtr<IShellItemArray> spsia; | ||
| HRESULT hr = SHCreateShellItemArrayFromDataObject(m_spdo, IID_PPV_ARGS(&spsia)); | ||
| if (SUCCEEDED(hr)) | ||
| { | ||
| CComPtr<IEnumShellItems> spesi; | ||
| hr = spsia->EnumItems(&spesi); | ||
| if (SUCCEEDED(hr)) | ||
| { | ||
| hr = _ParseEnumItems(spesi); | ||
| } | ||
| } | ||
|
|
||
| _OnCompleted(); | ||
| return hr; | ||
| } | ||
|
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| IFACEMETHODIMP CSmartRenameEnum::Cancel() | ||
| { | ||
| m_canceled = true; | ||
| return S_OK; | ||
| } | ||
|
|
||
| HRESULT CSmartRenameEnum::s_CreateInstance(_In_ IDataObject* pdo, _In_ _In_ ISmartRenameManager* psrm, _In_ REFIID iid, _Outptr_ void** resultInterface) | ||
| { | ||
| *resultInterface = nullptr; | ||
|
|
||
| CSmartRenameEnum* newRenameEnum = new CSmartRenameEnum(); | ||
| HRESULT hr = newRenameEnum ? S_OK : E_OUTOFMEMORY; | ||
| if (SUCCEEDED(hr)) | ||
| { | ||
| hr = newRenameEnum->_Init(pdo, psrm); | ||
| if (SUCCEEDED(hr)) | ||
| { | ||
| hr = newRenameEnum->QueryInterface(iid, resultInterface); | ||
| } | ||
|
|
||
| newRenameEnum->Release(); | ||
| } | ||
| return hr; | ||
| } | ||
|
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||
| CSmartRenameEnum::CSmartRenameEnum() : | ||
| m_refCount(1) | ||
| { | ||
| } | ||
|
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| CSmartRenameEnum::~CSmartRenameEnum() | ||
| { | ||
| } | ||
|
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|
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| void CSmartRenameEnum::_OnStarted() | ||
| { | ||
| CSRWSharedAutoLock lock(&m_lockEvents); | ||
|
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| for (std::vector<RENAME_ENUM_EVENT>::iterator it = m_renameEnumEvents.begin(); it != m_renameEnumEvents.end(); ++it) | ||
| { | ||
| if (it->pEvents) | ||
| { | ||
| it->pEvents->OnStarted(); | ||
| } | ||
| } | ||
| } | ||
|
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||
| void CSmartRenameEnum::_OnCompleted() | ||
| { | ||
| CSRWSharedAutoLock lock(&m_lockEvents); | ||
|
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||
| for (std::vector<RENAME_ENUM_EVENT>::iterator it = m_renameEnumEvents.begin(); it != m_renameEnumEvents.end(); ++it) | ||
| { | ||
| if (it->pEvents) | ||
| { | ||
| it->pEvents->OnCompleted(m_canceled); | ||
| } | ||
| } | ||
| } | ||
|
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||
| void CSmartRenameEnum::_OnFoundItem(_In_ ISmartRenameItem* item) | ||
| { | ||
| CSRWSharedAutoLock lock(&m_lockEvents); | ||
|
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||
| for (std::vector<RENAME_ENUM_EVENT>::iterator it = m_renameEnumEvents.begin(); it != m_renameEnumEvents.end(); ++it) | ||
| { | ||
| if (it->pEvents) | ||
| { | ||
| it->pEvents->OnFoundItem(item); | ||
| } | ||
| } | ||
| } | ||
|
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| HRESULT CSmartRenameEnum::_Init(_In_ IDataObject* pdo, _In_ ISmartRenameManager* psrm) | ||
| { | ||
| m_spdo = pdo; | ||
| m_spsrm = psrm; | ||
| return S_OK; | ||
| } | ||
|
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| HRESULT CSmartRenameEnum::_ParseEnumItems(_In_ IEnumShellItems* pesi, _In_ int depth) | ||
| { | ||
| HRESULT hr = E_INVALIDARG; | ||
|
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| // We shouldn't get this deep since we only enum the contents of | ||
| // regular folders but adding just in case | ||
| if ((pesi) && (depth < (MAX_PATH / 2))) | ||
| { | ||
| hr = S_OK; | ||
|
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| ULONG celtFetched; | ||
| CComPtr<IShellItem> spsi; | ||
| while ((S_OK == pesi->Next(1, &spsi, &celtFetched)) && (SUCCEEDED(hr))) | ||
| { | ||
| if (m_canceled) | ||
| { | ||
| return E_ABORT; | ||
| } | ||
|
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||
| CComPtr<ISmartRenameItemFactory> spsrif; | ||
| hr = m_spsrm->get_renameItemFactory(&spsrif); | ||
| if (SUCCEEDED(hr)) | ||
| { | ||
| CComPtr<ISmartRenameItem> spNewItem; | ||
| // Failure may be valid if we come across a shell item that does | ||
| // not support a file system path. In that case we simply ignore | ||
| // the item. | ||
| if (SUCCEEDED(spsrif->Create(spsi, &spNewItem))) | ||
| { | ||
| spNewItem->put_depth(depth); | ||
| _OnFoundItem(spNewItem); | ||
| hr = m_spsrm->AddItem(spNewItem); | ||
| if (SUCCEEDED(hr)) | ||
| { | ||
| bool isFolder = false; | ||
| if (SUCCEEDED(spNewItem->get_isFolder(&isFolder)) && isFolder) | ||
| { | ||
| // Bind to the IShellItem for the IEnumShellItems interface | ||
| CComPtr<IEnumShellItems> spesiNext; | ||
| hr = spsi->BindToHandler(nullptr, BHID_EnumItems, IID_PPV_ARGS(&spesiNext)); | ||
| if (SUCCEEDED(hr)) | ||
| { | ||
| // Parse the folder contents recursively | ||
| hr = _ParseEnumItems(spesiNext, depth + 1); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| spsi = nullptr; | ||
| } | ||
| } | ||
|
|
||
| return hr; | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| #pragma once | ||
| #include "stdafx.h" | ||
| #include "SmartRenameInterfaces.h" | ||
| #include <vector> | ||
| #include "srwlock.h" | ||
|
|
||
| class CSmartRenameEnum : | ||
| public ISmartRenameEnum | ||
| { | ||
| public: | ||
| // IUnknown | ||
| IFACEMETHODIMP QueryInterface(_In_ REFIID iid, _Outptr_ void** resultInterface); | ||
| IFACEMETHODIMP_(ULONG) AddRef(); | ||
| IFACEMETHODIMP_(ULONG) Release(); | ||
|
|
||
| // ISmartRenameEnum | ||
| IFACEMETHODIMP Advise(_In_ ISmartRenameEnumEvents* events, _Out_ DWORD* cookie); | ||
| IFACEMETHODIMP UnAdvise(_In_ DWORD cookie); | ||
| IFACEMETHODIMP Start(); | ||
| IFACEMETHODIMP Cancel(); | ||
|
|
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| public: | ||
| static HRESULT s_CreateInstance(_In_ IDataObject* pdo, _In_ _In_ ISmartRenameManager* psrm, _In_ REFIID iid, _Outptr_ void** resultInterface); | ||
|
|
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| protected: | ||
| CSmartRenameEnum(); | ||
| virtual ~CSmartRenameEnum(); | ||
|
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| HRESULT _Init(_In_ IDataObject* pdo, _In_ ISmartRenameManager* psrm); | ||
| HRESULT _ParseEnumItems(_In_ IEnumShellItems* pesi, _In_ int depth = 0); | ||
|
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| void _OnStarted(); | ||
| void _OnCompleted(); | ||
| void _OnFoundItem(_In_ ISmartRenameItem* item); | ||
|
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| struct RENAME_ENUM_EVENT | ||
| { | ||
| ISmartRenameEnumEvents* pEvents; | ||
| DWORD cookie; | ||
| }; | ||
|
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| DWORD m_cookie = 0; | ||
|
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| CSRWLock m_lockEvents; | ||
| _Guarded_by_(m_lockEvents) std::vector<RENAME_ENUM_EVENT> m_renameEnumEvents; | ||
|
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| CComPtr<ISmartRenameManager> m_spsrm; | ||
| CComPtr<IDataObject> m_spdo; | ||
| bool m_canceled = false; | ||
| long m_refCount = 0; | ||
| }; |
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