Added desktop notifications implementation for Windows 7 (and earlier)
This commit is contained in:
Ales Pergl
parent
e6a30388da
commit
fe05b66a6c
10 changed files with 1674 additions and 4 deletions
811
brightray/browser/win/win32_desktop_notifications/toast.cc
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811
brightray/browser/win/win32_desktop_notifications/toast.cc
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#define NOMINMAX
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#include "toast.h"
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#include "common.h"
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#include <algorithm>
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#include <uxtheme.h>
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#include <windowsx.h>
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#pragma comment(lib, "msimg32.lib")
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#pragma comment(lib, "uxtheme.lib")
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using namespace std;
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namespace brightray {
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static COLORREF GetAccentColor()
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{
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bool success = false;
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if(IsAppThemed())
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{
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HKEY hkey;
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if(RegOpenKeyEx(HKEY_CURRENT_USER, TEXT("SOFTWARE\\Microsoft\\Windows\\DWM"), 0, KEY_QUERY_VALUE, &hkey) == ERROR_SUCCESS)
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{
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COLORREF color;
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DWORD type, size;
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if(RegQueryValueEx(hkey, TEXT("AccentColor"), nullptr, &type, (BYTE*)&color, &(size = sizeof(color))) == ERROR_SUCCESS && type == REG_DWORD)
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{
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// convert from RGBA
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color = RGB(GetRValue(color), GetGValue(color), GetBValue(color));
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success = true;
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}
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else if(RegQueryValueEx(hkey, TEXT("ColorizationColor"), nullptr, &type, (BYTE*)&color, &(size = sizeof(color))) == ERROR_SUCCESS && type == REG_DWORD)
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{
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// convert from BGRA
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color = RGB(GetBValue(color), GetGValue(color), GetRValue(color));
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success = true;
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}
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RegCloseKey(hkey);
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if(success) return color;
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}
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}
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return GetSysColor(COLOR_ACTIVECAPTION);
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}
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// Stretches a bitmap to the specified size, preserves alpha channel
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static HBITMAP StretchBitmap(HBITMAP bitmap, unsigned width, unsigned height)
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{
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// We use StretchBlt for the scaling, but that discards the alpha channel.
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// Therefore we first create a separate grayscale bitmap from the alpha channel,
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// scale that separately and copy it back to the scaled color bitmap.
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BITMAP bm;
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if(!GetObject(bitmap, sizeof(bm), &bm))
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return NULL;
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if(width == 0 || height == 0)
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return NULL;
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HBITMAP resultBitmap = NULL;
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HDC hdcScreen = GetDC(NULL);
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HBITMAP alphaSrcBitmap;
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{
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BITMAPINFOHEADER bmi = { sizeof(BITMAPINFOHEADER) };
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bmi.biWidth = bm.bmWidth;
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bmi.biHeight = bm.bmHeight;
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bmi.biPlanes = bm.bmPlanes;
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bmi.biBitCount = bm.bmBitsPixel;
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bmi.biCompression = BI_RGB;
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void* alphaSrcBits;
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alphaSrcBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmi, DIB_RGB_COLORS, &alphaSrcBits, NULL, 0);
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if(alphaSrcBitmap)
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{
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if(GetDIBits(hdcScreen, bitmap, 0, 0, 0, (BITMAPINFO*)&bmi, DIB_RGB_COLORS) &&
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bmi.biSizeImage > 0 &&
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(bmi.biSizeImage % 4) == 0)
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{
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auto buf = (DWORD*)_aligned_malloc(bmi.biSizeImage, sizeof(DWORD));
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if(buf)
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{
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GetDIBits(hdcScreen, bitmap, 0, bm.bmHeight, buf, (BITMAPINFO*)&bmi, DIB_RGB_COLORS);
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BYTE* dest = (BYTE*)alphaSrcBits;
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for(const DWORD *src = buf, *end = (DWORD*)((BYTE*)buf + bmi.biSizeImage);
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src != end;
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++src, ++dest)
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{
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BYTE a = *src >> 24;
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*dest++ = a;
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*dest++ = a;
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*dest++ = a;
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}
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_aligned_free(buf);
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}
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}
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}
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}
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if(alphaSrcBitmap)
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{
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BITMAPINFOHEADER bmi = { sizeof(BITMAPINFOHEADER) };
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bmi.biWidth = width;
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bmi.biHeight = height;
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bmi.biPlanes = 1;
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bmi.biBitCount = 32;
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bmi.biCompression = BI_RGB;
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void* colorBits;
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auto colorBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmi, DIB_RGB_COLORS, &colorBits, NULL, 0);
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void* alphaBits;
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auto alphaBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmi, DIB_RGB_COLORS, &alphaBits, NULL, 0);
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HDC hdc = CreateCompatibleDC(NULL);
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HDC hdcSrc = CreateCompatibleDC(NULL);
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if(colorBitmap && alphaBitmap && hdc && hdcSrc)
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{
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SetStretchBltMode(hdc, HALFTONE);
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// resize color channels
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SelectObject(hdc, colorBitmap);
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SelectObject(hdcSrc, bitmap);
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StretchBlt(hdc, 0, 0, width, height, hdcSrc, 0, 0, bm.bmWidth, bm.bmHeight, SRCCOPY);
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// resize alpha channel
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SelectObject(hdc, alphaBitmap);
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SelectObject(hdcSrc, alphaSrcBitmap);
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StretchBlt(hdc, 0, 0, width, height, hdcSrc, 0, 0, bm.bmWidth, bm.bmHeight, SRCCOPY);
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// flush before touching the bits
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GdiFlush();
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// apply the alpha channel
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auto dest = (BYTE*)colorBits;
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auto src = (const BYTE*)alphaBits;
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auto end = src + (width * height * 4);
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while(src != end)
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{
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dest[3] = src[0];
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dest += 4;
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src += 4;
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}
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// create the resulting bitmap
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resultBitmap = CreateDIBitmap(hdcScreen, &bmi, CBM_INIT, colorBits, (BITMAPINFO*)&bmi, DIB_RGB_COLORS);
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}
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if(hdcSrc) DeleteDC(hdcSrc);
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if(hdc) DeleteDC(hdc);
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if(alphaBitmap) DeleteObject(alphaBitmap);
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if(colorBitmap) DeleteObject(colorBitmap);
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DeleteObject(alphaSrcBitmap);
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}
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ReleaseDC(NULL, hdcScreen);
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return resultBitmap;
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}
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DesktopNotificationController::Toast::Toast(HWND hWnd, shared_ptr<NotificationData>* data) :
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hWnd(hWnd), data(*data)
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{
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HDC hdcScreen = GetDC(NULL);
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hdc = CreateCompatibleDC(hdcScreen);
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ReleaseDC(NULL, hdcScreen);
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}
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DesktopNotificationController::Toast::~Toast()
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{
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DeleteDC(hdc);
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if(bitmap) DeleteBitmap(bitmap);
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if(scaledImage) DeleteBitmap(scaledImage);
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}
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void DesktopNotificationController::Toast::Register(HINSTANCE hInstance)
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{
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WNDCLASSEX wc = { sizeof(wc) };
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wc.lpfnWndProc = &Toast::WndProc;
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wc.lpszClassName = className;
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wc.cbWndExtra = sizeof(Toast*);
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wc.hInstance = hInstance;
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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RegisterClassEx(&wc);
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}
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LRESULT DesktopNotificationController::Toast::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch(message)
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{
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case WM_CREATE:
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{
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auto& cs = reinterpret_cast<const CREATESTRUCT*&>(lParam);
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auto inst = new Toast(hWnd, static_cast<shared_ptr<NotificationData>*>(cs->lpCreateParams));
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SetWindowLongPtr(hWnd, 0, (LONG_PTR)inst);
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}
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break;
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case WM_NCDESTROY:
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delete Get(hWnd);
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SetWindowLongPtr(hWnd, 0, 0);
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return 0;
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case WM_MOUSEACTIVATE:
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return MA_NOACTIVATE;
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case WM_TIMER:
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if(wParam == TimerID_AutoDismiss)
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{
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Get(hWnd)->AutoDismiss();
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}
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return 0;
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case WM_LBUTTONDOWN:
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{
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auto inst = Get(hWnd);
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inst->Dismiss();
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Notification notification(inst->data);
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if(inst->isCloseHot)
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inst->data->controller->OnNotificationDismissed(notification);
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else
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inst->data->controller->OnNotificationClicked(notification);
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}
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return 0;
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case WM_MOUSEMOVE:
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{
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auto inst = Get(hWnd);
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if(!inst->isHighlighted)
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{
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inst->isHighlighted = true;
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TRACKMOUSEEVENT tme = { sizeof(tme), TME_LEAVE, hWnd };
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TrackMouseEvent(&tme);
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}
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POINT cursor = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
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inst->isCloseHot = (PtInRect(&inst->closeButtonRect, cursor) != FALSE);
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if(!inst->isNonInteractive)
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inst->CancelDismiss();
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inst->UpdateContents();
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}
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return 0;
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case WM_MOUSELEAVE:
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{
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auto inst = Get(hWnd);
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inst->isHighlighted = false;
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inst->isCloseHot = false;
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inst->UpdateContents();
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if(!inst->easeOutActive && inst->easeInPos == 1.0f)
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inst->ScheduleDismissal();
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// Make sure stack collapse happens if needed
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inst->data->controller->StartAnimation();
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}
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return 0;
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case WM_WINDOWPOSCHANGED:
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{
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auto& wp = reinterpret_cast<WINDOWPOS*&>(lParam);
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if(wp->flags & SWP_HIDEWINDOW)
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{
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if(!IsWindowVisible(hWnd))
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Get(hWnd)->isHighlighted = false;
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}
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}
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break;
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}
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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HWND DesktopNotificationController::Toast::Create(HINSTANCE hInstance, shared_ptr<NotificationData>& data)
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{
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return CreateWindowEx(WS_EX_LAYERED | WS_EX_NOACTIVATE | WS_EX_TOPMOST, className, nullptr, WS_POPUP, 0, 0, 0, 0, NULL, NULL, hInstance, &data);
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}
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void DesktopNotificationController::Toast::Draw()
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{
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const COLORREF accent = GetAccentColor();
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COLORREF backColor;
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{
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// base background color is 2/3 of accent
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// highlighted adds a bit of intensity to every channel
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int h = isHighlighted ? (0xff / 20) : 0;
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backColor = RGB(min(0xff, (GetRValue(accent) * 2 / 3) + h),
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min(0xff, (GetGValue(accent) * 2 / 3) + h),
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min(0xff, (GetBValue(accent) * 2 / 3) + h));
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}
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const float backLuma =
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(GetRValue(backColor) * 0.299f / 255) +
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(GetGValue(backColor) * 0.587f / 255) +
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(GetBValue(backColor) * 0.114f / 255);
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const struct { float r, g, b; } backF = {
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GetRValue(backColor) / 255.0f,
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GetGValue(backColor) / 255.0f,
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GetBValue(backColor) / 255.0f,
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};
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COLORREF foreColor, dimmedColor;
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{
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// based on the lightness of background, we draw foreground in light or dark
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// shades of gray blended onto the background with slight transparency
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// to avoid sharp contrast
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constexpr float alpha = 0.9f;
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constexpr float intensityLight[] = { (1.0f * alpha), (0.8f * alpha) };
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constexpr float intensityDark[] = { (0.1f * alpha), (0.3f * alpha) };
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// select foreground intensity values (light or dark)
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auto& i = (backLuma < 0.6f) ? intensityLight : intensityDark;
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float r, g, b;
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r = i[0] + backF.r * (1 - alpha);
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g = i[0] + backF.g * (1 - alpha);
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b = i[0] + backF.b * (1 - alpha);
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foreColor = RGB(r * 0xff, g * 0xff, b * 0xff);
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r = i[1] + backF.r * (1 - alpha);
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g = i[1] + backF.g * (1 - alpha);
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b = i[1] + backF.b * (1 - alpha);
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dimmedColor = RGB(r * 0xff, g * 0xff, b * 0xff);
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}
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// Draw background
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{
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auto brush = CreateSolidBrush(backColor);
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RECT rc = { 0, 0, toastSize.cx, toastSize.cy };
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FillRect(hdc, &rc, brush);
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DeleteBrush(brush);
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}
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SetBkMode(hdc, TRANSPARENT);
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const auto close = L'\x2715';
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auto captionFont = data->controller->GetCaptionFont();
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auto bodyFont = data->controller->GetBodyFont();
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TEXTMETRIC tmCap;
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SelectFont(hdc, captionFont);
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GetTextMetrics(hdc, &tmCap);
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auto textOffsetX = margin.cx;
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BITMAP imageInfo = {};
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if(scaledImage)
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{
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GetObject(scaledImage, sizeof(imageInfo), &imageInfo);
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textOffsetX += margin.cx + imageInfo.bmWidth;
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}
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// calculate close button rect
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POINT closePos;
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{
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SIZE extent = {};
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GetTextExtentPoint32W(hdc, &close, 1, &extent);
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closeButtonRect.right = toastSize.cx;
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closeButtonRect.top = 0;
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closePos.x = closeButtonRect.right - margin.cy - extent.cx;
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closePos.y = closeButtonRect.top + margin.cy;
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closeButtonRect.left = closePos.x - margin.cy;
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closeButtonRect.bottom = closePos.y + extent.cy + margin.cy;
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}
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// image
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if(scaledImage)
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{
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HDC hdcImage = CreateCompatibleDC(NULL);
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SelectBitmap(hdcImage, scaledImage);
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BLENDFUNCTION blend = { AC_SRC_OVER, 0, 255, AC_SRC_ALPHA };
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AlphaBlend(hdc, margin.cx, margin.cy, imageInfo.bmWidth, imageInfo.bmHeight, hdcImage, 0, 0, imageInfo.bmWidth, imageInfo.bmHeight, blend);
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DeleteDC(hdcImage);
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}
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// caption
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{
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RECT rc = {
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textOffsetX,
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margin.cy,
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closeButtonRect.left,
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toastSize.cy
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};
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SelectFont(hdc, captionFont);
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SetTextColor(hdc, foreColor);
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DrawText(hdc, data->caption.data(), (UINT)data->caption.length(), &rc, DT_SINGLELINE | DT_END_ELLIPSIS | DT_NOPREFIX);
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}
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// body text
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if(!data->bodyText.empty())
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{
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RECT rc = {
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textOffsetX,
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2 * margin.cy + tmCap.tmAscent,
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toastSize.cx - margin.cx,
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toastSize.cy - margin.cy
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};
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SelectFont(hdc, bodyFont);
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SetTextColor(hdc, dimmedColor);
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DrawText(hdc, data->bodyText.data(), (UINT)data->bodyText.length(), &rc, DT_LEFT | DT_WORDBREAK | DT_NOPREFIX | DT_END_ELLIPSIS | DT_EDITCONTROL);
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}
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// close button
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{
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SelectFont(hdc, captionFont);
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SetTextColor(hdc, isCloseHot ? foreColor : dimmedColor);
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ExtTextOut(hdc, closePos.x, closePos.y, 0, nullptr, &close, 1, nullptr);
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}
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isContentUpdated = true;
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}
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void DesktopNotificationController::Toast::Invalidate()
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{
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isContentUpdated = false;
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}
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bool DesktopNotificationController::Toast::IsRedrawNeeded() const
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{
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return !isContentUpdated;
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}
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void DesktopNotificationController::Toast::UpdateBufferSize()
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{
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if(hdc)
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{
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SIZE newSize;
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{
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TEXTMETRIC tmCap = {};
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HFONT font = data->controller->GetCaptionFont();
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if(font)
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{
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SelectFont(hdc, font);
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if(!GetTextMetrics(hdc, &tmCap)) return;
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}
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TEXTMETRIC tmBody = {};
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font = data->controller->GetBodyFont();
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if(font)
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{
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SelectFont(hdc, font);
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if(!GetTextMetrics(hdc, &tmBody)) return;
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}
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this->margin = { tmCap.tmAveCharWidth * 2, tmCap.tmAscent / 2 };
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newSize.cx = margin.cx + (32 * tmCap.tmAveCharWidth) + margin.cx;
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newSize.cy = margin.cy + (tmCap.tmHeight) + margin.cy;
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if(!data->bodyText.empty())
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newSize.cy += margin.cy + (3 * tmBody.tmHeight);
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if(data->image)
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{
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BITMAP bm;
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if(GetObject(data->image, sizeof(bm), &bm))
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{
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// cap the image size
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const int maxDimSize = 80;
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auto width = bm.bmWidth;
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auto height = bm.bmHeight;
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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;
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue