electron/brightray/browser/win/win32_desktop_notifications/toast.cc

811 lines
23 KiB
C++

#define NOMINMAX
#include "toast.h"
#include "common.h"
#include <algorithm>
#include <uxtheme.h>
#include <windowsx.h>
#pragma comment(lib, "msimg32.lib")
#pragma comment(lib, "uxtheme.lib")
using namespace std;
namespace brightray {
static COLORREF GetAccentColor()
{
bool success = false;
if(IsAppThemed())
{
HKEY hkey;
if(RegOpenKeyEx(HKEY_CURRENT_USER, TEXT("SOFTWARE\\Microsoft\\Windows\\DWM"), 0, KEY_QUERY_VALUE, &hkey) == ERROR_SUCCESS)
{
COLORREF color;
DWORD type, size;
if(RegQueryValueEx(hkey, TEXT("AccentColor"), nullptr, &type, (BYTE*)&color, &(size = sizeof(color))) == ERROR_SUCCESS && type == REG_DWORD)
{
// convert from RGBA
color = RGB(GetRValue(color), GetGValue(color), GetBValue(color));
success = true;
}
else if(RegQueryValueEx(hkey, TEXT("ColorizationColor"), nullptr, &type, (BYTE*)&color, &(size = sizeof(color))) == ERROR_SUCCESS && type == REG_DWORD)
{
// convert from BGRA
color = RGB(GetBValue(color), GetGValue(color), GetRValue(color));
success = true;
}
RegCloseKey(hkey);
if(success) return color;
}
}
return GetSysColor(COLOR_ACTIVECAPTION);
}
// Stretches a bitmap to the specified size, preserves alpha channel
static HBITMAP StretchBitmap(HBITMAP bitmap, unsigned width, unsigned height)
{
// We use StretchBlt for the scaling, but that discards the alpha channel.
// Therefore we first create a separate grayscale bitmap from the alpha channel,
// scale that separately and copy it back to the scaled color bitmap.
BITMAP bm;
if(!GetObject(bitmap, sizeof(bm), &bm))
return NULL;
if(width == 0 || height == 0)
return NULL;
HBITMAP resultBitmap = NULL;
HDC hdcScreen = GetDC(NULL);
HBITMAP alphaSrcBitmap;
{
BITMAPINFOHEADER bmi = { sizeof(BITMAPINFOHEADER) };
bmi.biWidth = bm.bmWidth;
bmi.biHeight = bm.bmHeight;
bmi.biPlanes = bm.bmPlanes;
bmi.biBitCount = bm.bmBitsPixel;
bmi.biCompression = BI_RGB;
void* alphaSrcBits;
alphaSrcBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmi, DIB_RGB_COLORS, &alphaSrcBits, NULL, 0);
if(alphaSrcBitmap)
{
if(GetDIBits(hdcScreen, bitmap, 0, 0, 0, (BITMAPINFO*)&bmi, DIB_RGB_COLORS) &&
bmi.biSizeImage > 0 &&
(bmi.biSizeImage % 4) == 0)
{
auto buf = (DWORD*)_aligned_malloc(bmi.biSizeImage, sizeof(DWORD));
if(buf)
{
GetDIBits(hdcScreen, bitmap, 0, bm.bmHeight, buf, (BITMAPINFO*)&bmi, DIB_RGB_COLORS);
BYTE* dest = (BYTE*)alphaSrcBits;
for(const DWORD *src = buf, *end = (DWORD*)((BYTE*)buf + bmi.biSizeImage);
src != end;
++src, ++dest)
{
BYTE a = *src >> 24;
*dest++ = a;
*dest++ = a;
*dest++ = a;
}
_aligned_free(buf);
}
}
}
}
if(alphaSrcBitmap)
{
BITMAPINFOHEADER bmi = { sizeof(BITMAPINFOHEADER) };
bmi.biWidth = width;
bmi.biHeight = height;
bmi.biPlanes = 1;
bmi.biBitCount = 32;
bmi.biCompression = BI_RGB;
void* colorBits;
auto colorBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmi, DIB_RGB_COLORS, &colorBits, NULL, 0);
void* alphaBits;
auto alphaBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmi, DIB_RGB_COLORS, &alphaBits, NULL, 0);
HDC hdc = CreateCompatibleDC(NULL);
HDC hdcSrc = CreateCompatibleDC(NULL);
if(colorBitmap && alphaBitmap && hdc && hdcSrc)
{
SetStretchBltMode(hdc, HALFTONE);
// resize color channels
SelectObject(hdc, colorBitmap);
SelectObject(hdcSrc, bitmap);
StretchBlt(hdc, 0, 0, width, height, hdcSrc, 0, 0, bm.bmWidth, bm.bmHeight, SRCCOPY);
// resize alpha channel
SelectObject(hdc, alphaBitmap);
SelectObject(hdcSrc, alphaSrcBitmap);
StretchBlt(hdc, 0, 0, width, height, hdcSrc, 0, 0, bm.bmWidth, bm.bmHeight, SRCCOPY);
// flush before touching the bits
GdiFlush();
// apply the alpha channel
auto dest = (BYTE*)colorBits;
auto src = (const BYTE*)alphaBits;
auto end = src + (width * height * 4);
while(src != end)
{
dest[3] = src[0];
dest += 4;
src += 4;
}
// create the resulting bitmap
resultBitmap = CreateDIBitmap(hdcScreen, &bmi, CBM_INIT, colorBits, (BITMAPINFO*)&bmi, DIB_RGB_COLORS);
}
if(hdcSrc) DeleteDC(hdcSrc);
if(hdc) DeleteDC(hdc);
if(alphaBitmap) DeleteObject(alphaBitmap);
if(colorBitmap) DeleteObject(colorBitmap);
DeleteObject(alphaSrcBitmap);
}
ReleaseDC(NULL, hdcScreen);
return resultBitmap;
}
DesktopNotificationController::Toast::Toast(HWND hWnd, shared_ptr<NotificationData>* data) :
hWnd(hWnd), data(*data)
{
HDC hdcScreen = GetDC(NULL);
hdc = CreateCompatibleDC(hdcScreen);
ReleaseDC(NULL, hdcScreen);
}
DesktopNotificationController::Toast::~Toast()
{
DeleteDC(hdc);
if(bitmap) DeleteBitmap(bitmap);
if(scaledImage) DeleteBitmap(scaledImage);
}
void DesktopNotificationController::Toast::Register(HINSTANCE hInstance)
{
WNDCLASSEX wc = { sizeof(wc) };
wc.lpfnWndProc = &Toast::WndProc;
wc.lpszClassName = className;
wc.cbWndExtra = sizeof(Toast*);
wc.hInstance = hInstance;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
RegisterClassEx(&wc);
}
LRESULT DesktopNotificationController::Toast::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_CREATE:
{
auto& cs = reinterpret_cast<const CREATESTRUCT*&>(lParam);
auto inst = new Toast(hWnd, static_cast<shared_ptr<NotificationData>*>(cs->lpCreateParams));
SetWindowLongPtr(hWnd, 0, (LONG_PTR)inst);
}
break;
case WM_NCDESTROY:
delete Get(hWnd);
SetWindowLongPtr(hWnd, 0, 0);
return 0;
case WM_MOUSEACTIVATE:
return MA_NOACTIVATE;
case WM_TIMER:
if(wParam == TimerID_AutoDismiss)
{
Get(hWnd)->AutoDismiss();
}
return 0;
case WM_LBUTTONDOWN:
{
auto inst = Get(hWnd);
inst->Dismiss();
Notification notification(inst->data);
if(inst->isCloseHot)
inst->data->controller->OnNotificationDismissed(notification);
else
inst->data->controller->OnNotificationClicked(notification);
}
return 0;
case WM_MOUSEMOVE:
{
auto inst = Get(hWnd);
if(!inst->isHighlighted)
{
inst->isHighlighted = true;
TRACKMOUSEEVENT tme = { sizeof(tme), TME_LEAVE, hWnd };
TrackMouseEvent(&tme);
}
POINT cursor = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
inst->isCloseHot = (PtInRect(&inst->closeButtonRect, cursor) != FALSE);
if(!inst->isNonInteractive)
inst->CancelDismiss();
inst->UpdateContents();
}
return 0;
case WM_MOUSELEAVE:
{
auto inst = Get(hWnd);
inst->isHighlighted = false;
inst->isCloseHot = false;
inst->UpdateContents();
if(!inst->easeOutActive && inst->easeInPos == 1.0f)
inst->ScheduleDismissal();
// Make sure stack collapse happens if needed
inst->data->controller->StartAnimation();
}
return 0;
case WM_WINDOWPOSCHANGED:
{
auto& wp = reinterpret_cast<WINDOWPOS*&>(lParam);
if(wp->flags & SWP_HIDEWINDOW)
{
if(!IsWindowVisible(hWnd))
Get(hWnd)->isHighlighted = false;
}
}
break;
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
HWND DesktopNotificationController::Toast::Create(HINSTANCE hInstance, shared_ptr<NotificationData>& data)
{
return CreateWindowEx(WS_EX_LAYERED | WS_EX_NOACTIVATE | WS_EX_TOPMOST, className, nullptr, WS_POPUP, 0, 0, 0, 0, NULL, NULL, hInstance, &data);
}
void DesktopNotificationController::Toast::Draw()
{
const COLORREF accent = GetAccentColor();
COLORREF backColor;
{
// base background color is 2/3 of accent
// highlighted adds a bit of intensity to every channel
int h = isHighlighted ? (0xff / 20) : 0;
backColor = RGB(min(0xff, (GetRValue(accent) * 2 / 3) + h),
min(0xff, (GetGValue(accent) * 2 / 3) + h),
min(0xff, (GetBValue(accent) * 2 / 3) + h));
}
const float backLuma =
(GetRValue(backColor) * 0.299f / 255) +
(GetGValue(backColor) * 0.587f / 255) +
(GetBValue(backColor) * 0.114f / 255);
const struct { float r, g, b; } backF = {
GetRValue(backColor) / 255.0f,
GetGValue(backColor) / 255.0f,
GetBValue(backColor) / 255.0f,
};
COLORREF foreColor, dimmedColor;
{
// based on the lightness of background, we draw foreground in light or dark
// shades of gray blended onto the background with slight transparency
// to avoid sharp contrast
constexpr float alpha = 0.9f;
constexpr float intensityLight[] = { (1.0f * alpha), (0.8f * alpha) };
constexpr float intensityDark[] = { (0.1f * alpha), (0.3f * alpha) };
// select foreground intensity values (light or dark)
auto& i = (backLuma < 0.6f) ? intensityLight : intensityDark;
float r, g, b;
r = i[0] + backF.r * (1 - alpha);
g = i[0] + backF.g * (1 - alpha);
b = i[0] + backF.b * (1 - alpha);
foreColor = RGB(r * 0xff, g * 0xff, b * 0xff);
r = i[1] + backF.r * (1 - alpha);
g = i[1] + backF.g * (1 - alpha);
b = i[1] + backF.b * (1 - alpha);
dimmedColor = RGB(r * 0xff, g * 0xff, b * 0xff);
}
// Draw background
{
auto brush = CreateSolidBrush(backColor);
RECT rc = { 0, 0, toastSize.cx, toastSize.cy };
FillRect(hdc, &rc, brush);
DeleteBrush(brush);
}
SetBkMode(hdc, TRANSPARENT);
const auto close = L'\x2715';
auto captionFont = data->controller->GetCaptionFont();
auto bodyFont = data->controller->GetBodyFont();
TEXTMETRIC tmCap;
SelectFont(hdc, captionFont);
GetTextMetrics(hdc, &tmCap);
auto textOffsetX = margin.cx;
BITMAP imageInfo = {};
if(scaledImage)
{
GetObject(scaledImage, sizeof(imageInfo), &imageInfo);
textOffsetX += margin.cx + imageInfo.bmWidth;
}
// calculate close button rect
POINT closePos;
{
SIZE extent = {};
GetTextExtentPoint32W(hdc, &close, 1, &extent);
closeButtonRect.right = toastSize.cx;
closeButtonRect.top = 0;
closePos.x = closeButtonRect.right - margin.cy - extent.cx;
closePos.y = closeButtonRect.top + margin.cy;
closeButtonRect.left = closePos.x - margin.cy;
closeButtonRect.bottom = closePos.y + extent.cy + margin.cy;
}
// image
if(scaledImage)
{
HDC hdcImage = CreateCompatibleDC(NULL);
SelectBitmap(hdcImage, scaledImage);
BLENDFUNCTION blend = { AC_SRC_OVER, 0, 255, AC_SRC_ALPHA };
AlphaBlend(hdc, margin.cx, margin.cy, imageInfo.bmWidth, imageInfo.bmHeight, hdcImage, 0, 0, imageInfo.bmWidth, imageInfo.bmHeight, blend);
DeleteDC(hdcImage);
}
// caption
{
RECT rc = {
textOffsetX,
margin.cy,
closeButtonRect.left,
toastSize.cy
};
SelectFont(hdc, captionFont);
SetTextColor(hdc, foreColor);
DrawText(hdc, data->caption.data(), (UINT)data->caption.length(), &rc, DT_SINGLELINE | DT_END_ELLIPSIS | DT_NOPREFIX);
}
// body text
if(!data->bodyText.empty())
{
RECT rc = {
textOffsetX,
2 * margin.cy + tmCap.tmAscent,
toastSize.cx - margin.cx,
toastSize.cy - margin.cy
};
SelectFont(hdc, bodyFont);
SetTextColor(hdc, dimmedColor);
DrawText(hdc, data->bodyText.data(), (UINT)data->bodyText.length(), &rc, DT_LEFT | DT_WORDBREAK | DT_NOPREFIX | DT_END_ELLIPSIS | DT_EDITCONTROL);
}
// close button
{
SelectFont(hdc, captionFont);
SetTextColor(hdc, isCloseHot ? foreColor : dimmedColor);
ExtTextOut(hdc, closePos.x, closePos.y, 0, nullptr, &close, 1, nullptr);
}
isContentUpdated = true;
}
void DesktopNotificationController::Toast::Invalidate()
{
isContentUpdated = false;
}
bool DesktopNotificationController::Toast::IsRedrawNeeded() const
{
return !isContentUpdated;
}
void DesktopNotificationController::Toast::UpdateBufferSize()
{
if(hdc)
{
SIZE newSize;
{
TEXTMETRIC tmCap = {};
HFONT font = data->controller->GetCaptionFont();
if(font)
{
SelectFont(hdc, font);
if(!GetTextMetrics(hdc, &tmCap)) return;
}
TEXTMETRIC tmBody = {};
font = data->controller->GetBodyFont();
if(font)
{
SelectFont(hdc, font);
if(!GetTextMetrics(hdc, &tmBody)) return;
}
this->margin = { tmCap.tmAveCharWidth * 2, tmCap.tmAscent / 2 };
newSize.cx = margin.cx + (32 * tmCap.tmAveCharWidth) + margin.cx;
newSize.cy = margin.cy + (tmCap.tmHeight) + margin.cy;
if(!data->bodyText.empty())
newSize.cy += margin.cy + (3 * tmBody.tmHeight);
if(data->image)
{
BITMAP bm;
if(GetObject(data->image, sizeof(bm), &bm))
{
// cap the image size
const int maxDimSize = 80;
auto width = bm.bmWidth;
auto height = bm.bmHeight;
if(width < height)
{
if(height > maxDimSize)
{
width = width * maxDimSize / height;
height = maxDimSize;
}
}
else
{
if(width > maxDimSize)
{
height = height * maxDimSize / width;
width = maxDimSize;
}
}
ScreenMetrics scr;
SIZE imageDrawSize = { scr.X(width), scr.Y(height) };
newSize.cx += imageDrawSize.cx + margin.cx;
auto heightWithImage = margin.cy + (imageDrawSize.cy) + margin.cy;
if(newSize.cy < heightWithImage) newSize.cy = heightWithImage;
UpdateScaledImage(imageDrawSize);
}
}
}
if(newSize.cx != this->toastSize.cx || newSize.cy != this->toastSize.cy)
{
HDC hdcScreen = GetDC(NULL);
auto newBitmap = CreateCompatibleBitmap(hdcScreen, newSize.cx, newSize.cy);
ReleaseDC(NULL, hdcScreen);
if(newBitmap)
{
if(SelectBitmap(hdc, newBitmap))
{
RECT dirty1 = {}, dirty2 = {};
if(toastSize.cx < newSize.cx) dirty1 = { toastSize.cx, 0, newSize.cx, toastSize.cy };
if(toastSize.cy < newSize.cy) dirty2 = { 0, toastSize.cy, newSize.cx, newSize.cy };
if(this->bitmap) DeleteBitmap(this->bitmap);
this->bitmap = newBitmap;
this->toastSize = newSize;
Invalidate();
// Resize also the DWM buffer to prevent flicker during window resizing.
// Make sure any existing data is not overwritten by marking the dirty region.
{
POINT origin = { 0, 0 };
UPDATELAYEREDWINDOWINFO ulw;
ulw.cbSize = sizeof(ulw);
ulw.hdcDst = NULL;
ulw.pptDst = nullptr;
ulw.psize = &toastSize;
ulw.hdcSrc = hdc;
ulw.pptSrc = &origin;
ulw.crKey = 0;
ulw.pblend = nullptr;
ulw.dwFlags = 0;
ulw.prcDirty = &dirty1;
auto b1 = UpdateLayeredWindowIndirect(hWnd, &ulw);
ulw.prcDirty = &dirty2;
auto b2 = UpdateLayeredWindowIndirect(hWnd, &ulw);
_ASSERT(b1 && b2);
}
return;
}
DeleteBitmap(newBitmap);
}
}
}
}
void DesktopNotificationController::Toast::UpdateScaledImage(const SIZE& size)
{
BITMAP bm;
if(!GetObject(scaledImage, sizeof(bm), &bm) ||
bm.bmWidth != size.cx ||
bm.bmHeight != size.cy)
{
if(scaledImage) DeleteBitmap(scaledImage);
scaledImage = StretchBitmap(data->image, size.cx, size.cy);
}
}
void DesktopNotificationController::Toast::UpdateContents()
{
Draw();
if(IsWindowVisible(hWnd))
{
RECT rc;
GetWindowRect(hWnd, &rc);
POINT origin = { 0, 0 };
SIZE size = { rc.right - rc.left, rc.bottom - rc.top };
UpdateLayeredWindow(hWnd, NULL, nullptr, &size, hdc, &origin, 0, nullptr, 0);
}
}
void DesktopNotificationController::Toast::Dismiss()
{
if(!isNonInteractive)
{
// Set a flag to prevent further interaction. We don't disable the HWND because
// we still want to receive mouse move messages in order to keep the toast under
// the cursor and not collapse it while dismissing.
isNonInteractive = true;
AutoDismiss();
}
}
void DesktopNotificationController::Toast::AutoDismiss()
{
KillTimer(hWnd, TimerID_AutoDismiss);
StartEaseOut();
}
void DesktopNotificationController::Toast::CancelDismiss()
{
KillTimer(hWnd, TimerID_AutoDismiss);
easeOutActive = false;
easeOutPos = 0;
}
void DesktopNotificationController::Toast::ScheduleDismissal()
{
SetTimer(hWnd, TimerID_AutoDismiss, 4000, nullptr);
}
void DesktopNotificationController::Toast::ResetContents()
{
if(scaledImage)
{
DeleteBitmap(scaledImage);
scaledImage = NULL;
}
Invalidate();
}
void DesktopNotificationController::Toast::PopUp(int y)
{
verticalPosTarget = verticalPos = y;
StartEaseIn();
}
void DesktopNotificationController::Toast::SetVerticalPosition(int y)
{
// Don't restart animation if current target is the same
if(y == verticalPosTarget)
return;
// Make sure the new animation's origin is at the current position
verticalPos += (int)((verticalPosTarget - verticalPos) * stackCollapsePos);
// Set new target position and start the animation
verticalPosTarget = y;
stackCollapseStart = GetTickCount();
data->controller->StartAnimation();
}
HDWP DesktopNotificationController::Toast::Animate(HDWP hdwp, const POINT& origin)
{
UpdateBufferSize();
if(IsRedrawNeeded())
Draw();
POINT srcOrigin = { 0, 0 };
UPDATELAYEREDWINDOWINFO ulw;
ulw.cbSize = sizeof(ulw);
ulw.hdcDst = NULL;
ulw.pptDst = nullptr;
ulw.psize = nullptr;
ulw.hdcSrc = hdc;
ulw.pptSrc = &srcOrigin;
ulw.crKey = 0;
ulw.pblend = nullptr;
ulw.dwFlags = 0;
ulw.prcDirty = nullptr;
POINT pt = { 0, 0 };
SIZE size = { 0, 0 };
BLENDFUNCTION blend;
UINT dwpFlags = SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOREDRAW | SWP_NOCOPYBITS;
auto easeInPos = AnimateEaseIn();
auto easeOutPos = AnimateEaseOut();
auto stackCollapsePos = AnimateStackCollapse();
auto yOffset = (verticalPosTarget - verticalPos) * stackCollapsePos;
size.cx = (int)(toastSize.cx * easeInPos);
size.cy = toastSize.cy;
pt.x = origin.x - size.cx;
pt.y = (int)(origin.y - verticalPos - yOffset - size.cy);
ulw.pptDst = &pt;
ulw.psize = &size;
if(easeInActive && easeInPos == 1.0f)
{
easeInActive = false;
ScheduleDismissal();
}
this->easeInPos = easeInPos;
this->stackCollapsePos = stackCollapsePos;
if(easeOutPos != this->easeOutPos)
{
blend.BlendOp = AC_SRC_OVER;
blend.BlendFlags = 0;
blend.SourceConstantAlpha = (BYTE)(255 * (1.0f - easeOutPos));
blend.AlphaFormat = 0;
ulw.pblend = &blend;
ulw.dwFlags = ULW_ALPHA;
this->easeOutPos = easeOutPos;
if(easeOutPos == 1.0f)
{
easeOutActive = false;
dwpFlags &= ~SWP_SHOWWINDOW;
dwpFlags |= SWP_HIDEWINDOW;
}
}
if(stackCollapsePos == 1.0f)
{
verticalPos = verticalPosTarget;
}
// `UpdateLayeredWindowIndirect` updates position, size, and transparency.
// `DeferWindowPos` updates z-order, and also position and size in case ULWI fails,
// which can happen when one of the dimensions is zero (e.g. at the beginning of ease-in).
auto ulwResult = UpdateLayeredWindowIndirect(hWnd, &ulw);
hdwp = DeferWindowPos(hdwp, hWnd, HWND_TOPMOST, pt.x, pt.y, size.cx, size.cy, dwpFlags);
return hdwp;
}
void DesktopNotificationController::Toast::StartEaseIn()
{
_ASSERT(!easeInActive);
easeInStart = GetTickCount();
easeInActive = true;
data->controller->StartAnimation();
}
void DesktopNotificationController::Toast::StartEaseOut()
{
_ASSERT(!easeOutActive);
easeOutStart = GetTickCount();
easeOutActive = true;
data->controller->StartAnimation();
}
bool DesktopNotificationController::Toast::IsStackCollapseActive() const
{
return (verticalPos != verticalPosTarget);
}
float DesktopNotificationController::Toast::AnimateEaseIn()
{
if(!easeInActive)
return easeInPos;
constexpr float duration = 500.0f;
float time = std::min(duration, (float)(GetTickCount() - easeInStart)) / duration;
// decelerating exponential ease
const float a = -8.0f;
auto pos = (std::exp(a * time) - 1.0f) / (std::exp(a) - 1.0f);
return pos;
}
float DesktopNotificationController::Toast::AnimateEaseOut()
{
if(!easeOutActive)
return easeOutPos;
constexpr float duration = 120.0f;
float time = std::min(duration, (float)(GetTickCount() - easeOutStart)) / duration;
// accelerating circle ease
auto pos = 1.0f - std::sqrt(1 - time * time);
return pos;
}
float DesktopNotificationController::Toast::AnimateStackCollapse()
{
if(!IsStackCollapseActive())
return stackCollapsePos;
constexpr float duration = 500.0f;
float time = std::min(duration, (float)(GetTickCount() - stackCollapseStart)) / duration;
// decelerating exponential ease
const float a = -8.0f;
auto pos = (std::exp(a * time) - 1.0f) / (std::exp(a) - 1.0f);
return pos;
}
}