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[BROWSEUI]

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- CProgressDialog: Allocate big enough buffers needed for the text messages during initialization and don't reallocate them at all. Should stop thrashing the heap while copying a large number of files. 
CORE-9252

svn path=/trunk/; revision=66992
This commit is contained in:
Giannis Adamopoulos 2015-03-30 22:50:34 +00:00
parent 2f48b949ad
commit a2901cea9f
2 changed files with 25 additions and 50 deletions
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58
reactos/dll/win32/browseui/CProgressDialog.cpp
View file

@ -40,51 +40,47 @@
#define ID_3SECONDS 101
#define BUFFER_SIZE 256
CProgressDialog::CProgressDialog()
{
ULONG cb = 32 *sizeof(WCHAR);
this->lines[0] = (LPWSTR) heap_alloc_zero(cb);
this->lines[1] = (LPWSTR) heap_alloc_zero(cb);
this->lines[2] = (LPWSTR) heap_alloc_zero(cb);
this->cancelMsg = (LPWSTR) heap_alloc_zero(cb);
this->title = (LPWSTR) heap_alloc_zero(cb);
this->lines[0] = (LPWSTR) HeapAlloc(GetProcessHeap(), 0, BUFFER_SIZE);
this->lines[1] = (LPWSTR) HeapAlloc(GetProcessHeap(), 0, BUFFER_SIZE);
this->lines[2] = (LPWSTR) HeapAlloc(GetProcessHeap(), 0, BUFFER_SIZE);
this->cancelMsg = (LPWSTR) HeapAlloc(GetProcessHeap(), 0, BUFFER_SIZE);
this->title = (LPWSTR) HeapAlloc(GetProcessHeap(), 0, BUFFER_SIZE);
this->lines[0][0] = this->lines[1][0] = this->lines[2][0] = 0;
this->cancelMsg[0] = this->title[0];
this->clockHand = -1;
this->progressClock[29].ullMark = 0ull;
this->dwStartTime = GetTickCount();
InitializeCriticalSection(&this->cs);
this->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ProgressDialog.cs");
}
CProgressDialog::~CProgressDialog()
{
if (this->hwnd)
this->end_dialog();
heap_free(this->lines[0]);
heap_free(this->lines[1]);
heap_free(this->lines[2]);
heap_free(this->cancelMsg);
heap_free(this->title);
this->cs.DebugInfo->Spare[0] = 0;
HeapFree(GetProcessHeap(), 0, this->lines[0]);
HeapFree(GetProcessHeap(), 0, this->lines[1]);
HeapFree(GetProcessHeap(), 0, this->lines[2]);
HeapFree(GetProcessHeap(), 0, this->cancelMsg);
HeapFree(GetProcessHeap(), 0, this->title);
DeleteCriticalSection(&this->cs);
}
static void set_buffer(LPWSTR *buffer, LPCWSTR string)
{
static const WCHAR empty_string[] = {0};
ULONG len;
if (string == NULL)
string = empty_string;
len = (wcslen(string) + 1)*sizeof(WCHAR);
LPWSTR tmp = (LPWSTR) heap_realloc(*buffer, len);
if (tmp)
*buffer = tmp;
else
len = wcslen(*buffer) + 1;
if (!string)
{
buffer[0] = 0;
return;
}
ULONG len = max((wcslen(string) + 1)*sizeof(WCHAR), BUFFER_SIZE);
StringCchCopyW(*buffer, len, string);
}
@ -95,15 +91,13 @@ struct create_params
HWND hwndParent;
};
static LPWSTR load_string(HINSTANCE hInstance, UINT uiResourceId)
static void load_string(LPWSTR *buffer, HINSTANCE hInstance, UINT uiResourceId)
{
WCHAR string[256];
LPWSTR ret;
LoadStringW(hInstance, uiResourceId, string, sizeof(string)/sizeof(string[0]));
ret = (LPWSTR) HeapAlloc(GetProcessHeap(), 0, (wcslen(string) + 1) * sizeof(WCHAR));
StrCpyW(ret, string);
return ret;
set_buffer(buffer, string);
}
void CProgressDialog::set_progress_marquee()
@ -210,8 +204,7 @@ static INT_PTR CALLBACK dialog_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM l
This->isCancelled = TRUE;
if (!This->cancelMsg[0]) {
heap_free(This->cancelMsg);
This->cancelMsg = load_string(_AtlBaseModule.GetResourceInstance(), IDS_CANCELLING);
load_string(&This->cancelMsg, _AtlBaseModule.GetResourceInstance(), IDS_CANCELLING);
}
This->set_progress_marquee();
@ -238,7 +231,6 @@ static INT_PTR CALLBACK dialog_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM l
// A guess for time remaining based on the start time and current position
DWORD timeLeftI = (DWORD) runDiff * ((double) sizeLeft) / ((double) This->progressClock[This->clockHand].ullMark);
heap_realloc(&This->lines[2], 128);
StrFromTimeIntervalW(This->lines[2], 128, timeLeftD * 0.3 + timeLeftI * 0.7 , 2);
This->update_dialog( UPDATE_LINE1 << 2 );
}

17
reactos/dll/win32/browseui/CProgressDialog.h
View file

@ -81,21 +81,4 @@ BEGIN_COM_MAP(CProgressDialog)
END_COM_MAP()
};
static inline void *heap_alloc(size_t size)
{
return HeapAlloc(GetProcessHeap(), 0, size);
}
static inline void *heap_alloc_zero(size_t size)
{
return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
}
static inline void *heap_realloc(void *mem, size_t size)
{
return mem ? HeapReAlloc(GetProcessHeap(), 0, mem, size) : heap_alloc(size);
}
static inline BOOL heap_free(void *mem)
{
return HeapFree(GetProcessHeap(), 0, mem);
}
#endif /* _PROGRESSDIALOG_H_ */