881 lines
26 KiB
C++
881 lines
26 KiB
C++
#define NOMINMAX
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#include "browser/win/win32_desktop_notifications/toast.h"
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#include <uxtheme.h>
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#include <windowsx.h>
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#include <algorithm>
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#include "browser/win/win32_desktop_notifications/common.h"
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#pragma comment(lib, "msimg32.lib")
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#pragma comment(lib, "uxtheme.lib")
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using std::min;
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using std::shared_ptr;
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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,
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TEXT("SOFTWARE\\Microsoft\\Windows\\DWM"), 0,
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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,
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&type,
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(BYTE*)&color,
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&(size = sizeof(color))) == ERROR_SUCCESS &&
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type == REG_DWORD)
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{
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// convert from RGBA
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color = RGB(GetRValue(color),
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GetGValue(color),
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GetBValue(color));
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success = true;
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}
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else if(RegQueryValueEx(hkey, TEXT("ColorizationColor"), nullptr,
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&type,
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(BYTE*)&color,
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&(size = sizeof(color))) == ERROR_SUCCESS &&
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type == REG_DWORD)
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{
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// convert from BGRA
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color = RGB(GetBValue(color),
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GetGValue(color),
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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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// So 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,
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DIB_RGB_COLORS, &alphaSrcBits,
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NULL, 0);
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if(alphaSrcBitmap)
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{
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if(GetDIBits(hdcScreen, bitmap, 0, 0, 0,
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(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 = (BYTE*)_aligned_malloc(bmi.biSizeImage,
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sizeof(DWORD));
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if(buf)
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{
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GetDIBits(hdcScreen, bitmap, 0, bm.bmHeight, buf,
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(BITMAPINFO*)&bmi, DIB_RGB_COLORS);
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BYTE* dest = (BYTE*)alphaSrcBits;
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for(const DWORD *src = (DWORD*)buf,
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*end = (DWORD*)(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,
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DIB_RGB_COLORS, &colorBits,
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NULL, 0);
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void* alphaBits;
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auto alphaBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmi,
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DIB_RGB_COLORS, &alphaBits,
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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,
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hdcSrc, 0, 0, bm.bmWidth, bm.bmHeight,
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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,
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hdcSrc, 0, 0, bm.bmWidth, bm.bmHeight,
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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,
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colorBits, (BITMAPINFO*)&bmi,
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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(
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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(scaled_image_) DeleteBitmap(scaled_image_);
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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 = class_name_;
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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(
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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 data =
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static_cast<shared_ptr<NotificationData>*>(cs->lpCreateParams);
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auto inst = new Toast(hWnd, data);
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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->is_close_hot_)
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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->is_highlighted_)
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{
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inst->is_highlighted_ = 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->is_close_hot_ =
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(PtInRect(&inst->close_button_rect_, cursor) != FALSE);
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if(!inst->is_non_interactive_)
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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->is_highlighted_ = false;
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inst->is_close_hot_ = false;
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inst->UpdateContents();
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if(!inst->ease_out_active_ && inst->ease_in_pos_ == 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)->is_highlighted_ = 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(
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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,
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class_name_, nullptr, WS_POPUP, 0, 0, 0, 0,
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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 = is_highlighted_ ? (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
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// or dark shades of gray blended onto the background with slight
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// transparency 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, toast_size_.cx, toast_size_.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(scaled_image_)
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{
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GetObject(scaled_image_, 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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close_button_rect_.right = toast_size_.cx;
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close_button_rect_.top = 0;
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closePos.x = close_button_rect_.right - margin_.cy - extent.cx;
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closePos.y = close_button_rect_.top + margin_.cy;
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close_button_rect_.left = closePos.x - margin_.cy;
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close_button_rect_.bottom = closePos.y + extent.cy + margin_.cy;
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}
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// image
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if(scaled_image_)
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{
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HDC hdcImage = CreateCompatibleDC(NULL);
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SelectBitmap(hdcImage, scaled_image_);
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BLENDFUNCTION blend = { AC_SRC_OVER, 0, 255, AC_SRC_ALPHA };
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AlphaBlend(hdc_, margin_.cx, margin_.cy,
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imageInfo.bmWidth, imageInfo.bmHeight,
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hdcImage, 0, 0,
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imageInfo.bmWidth, imageInfo.bmHeight,
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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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close_button_rect_.left,
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toast_size_.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(),
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&rc, DT_SINGLELINE | DT_END_ELLIPSIS | DT_NOPREFIX);
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}
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// body text
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if(!data_->body_text.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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toast_size_.cx - margin_.cx,
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toast_size_.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_->body_text.data(), (UINT)data_->body_text.length(),
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&rc,
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DT_LEFT | DT_WORDBREAK | DT_NOPREFIX |
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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_, is_close_hot_ ? foreColor : dimmedColor);
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ExtTextOut(hdc_, closePos.x, closePos.y, 0, nullptr,
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&close, 1, nullptr);
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}
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is_content_updated_ = true;
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}
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void DesktopNotificationController::Toast::Invalidate()
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{
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is_content_updated_ = false;
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}
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bool DesktopNotificationController::Toast::IsRedrawNeeded() const
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{
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return !is_content_updated_;
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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_->body_text.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)
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{
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if(height > maxDimSize)
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{
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width = width * maxDimSize / height;
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height = maxDimSize;
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}
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}
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else
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{
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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->toast_size_.cx ||
|
|
newSize.cy != this->toast_size_.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(toast_size_.cx < newSize.cx)
|
|
{
|
|
dirty1 = { toast_size_.cx, 0,
|
|
newSize.cx, toast_size_.cy };
|
|
}
|
|
if(toast_size_.cy < newSize.cy)
|
|
{
|
|
dirty2 = { 0, toast_size_.cy,
|
|
newSize.cx, newSize.cy };
|
|
}
|
|
|
|
if(this->bitmap_) DeleteBitmap(this->bitmap_);
|
|
this->bitmap_ = newBitmap;
|
|
this->toast_size_ = 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 = &toast_size_;
|
|
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(scaled_image_, sizeof(bm), &bm) ||
|
|
bm.bmWidth != size.cx ||
|
|
bm.bmHeight != size.cy)
|
|
{
|
|
if(scaled_image_) DeleteBitmap(scaled_image_);
|
|
scaled_image_ = 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(!is_non_interactive_)
|
|
{
|
|
// 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.
|
|
is_non_interactive_ = true;
|
|
|
|
AutoDismiss();
|
|
}
|
|
}
|
|
|
|
void DesktopNotificationController::Toast::AutoDismiss()
|
|
{
|
|
KillTimer(hwnd_, TimerID_AutoDismiss);
|
|
StartEaseOut();
|
|
}
|
|
|
|
void DesktopNotificationController::Toast::CancelDismiss()
|
|
{
|
|
KillTimer(hwnd_, TimerID_AutoDismiss);
|
|
ease_out_active_ = false;
|
|
ease_out_pos_ = 0;
|
|
}
|
|
|
|
void DesktopNotificationController::Toast::ScheduleDismissal()
|
|
{
|
|
SetTimer(hwnd_, TimerID_AutoDismiss, 4000, nullptr);
|
|
}
|
|
|
|
void DesktopNotificationController::Toast::ResetContents()
|
|
{
|
|
if(scaled_image_)
|
|
{
|
|
DeleteBitmap(scaled_image_);
|
|
scaled_image_ = NULL;
|
|
}
|
|
|
|
Invalidate();
|
|
}
|
|
|
|
void DesktopNotificationController::Toast::PopUp(int y)
|
|
{
|
|
vertical_pos_target_ = vertical_pos_ = y;
|
|
StartEaseIn();
|
|
}
|
|
|
|
void DesktopNotificationController::Toast::SetVerticalPosition(int y)
|
|
{
|
|
// Don't restart animation if current target is the same
|
|
if(y == vertical_pos_target_)
|
|
return;
|
|
|
|
// Make sure the new animation's origin is at the current position
|
|
vertical_pos_ +=
|
|
(int)((vertical_pos_target_ - vertical_pos_) * stack_collapse_pos_);
|
|
|
|
// Set new target position and start the animation
|
|
vertical_pos_target_ = y;
|
|
stack_collapse_start_ = 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 = (vertical_pos_target_ - vertical_pos_) * stackCollapsePos;
|
|
|
|
size.cx = (int)(toast_size_.cx * easeInPos);
|
|
size.cy = toast_size_.cy;
|
|
|
|
pt.x = origin.x - size.cx;
|
|
pt.y = (int)(origin.y - vertical_pos_ - yOffset - size.cy);
|
|
|
|
ulw.pptDst = &pt;
|
|
ulw.psize = &size;
|
|
|
|
if(ease_in_active_ && easeInPos == 1.0f)
|
|
{
|
|
ease_in_active_ = false;
|
|
ScheduleDismissal();
|
|
}
|
|
|
|
this->ease_in_pos_ = easeInPos;
|
|
this->stack_collapse_pos_ = stackCollapsePos;
|
|
|
|
if(easeOutPos != this->ease_out_pos_)
|
|
{
|
|
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->ease_out_pos_ = easeOutPos;
|
|
|
|
if(easeOutPos == 1.0f)
|
|
{
|
|
ease_out_active_ = false;
|
|
|
|
dwpFlags &= ~SWP_SHOWWINDOW;
|
|
dwpFlags |= SWP_HIDEWINDOW;
|
|
}
|
|
}
|
|
|
|
if(stackCollapsePos == 1.0f)
|
|
{
|
|
vertical_pos_ = vertical_pos_target_;
|
|
}
|
|
|
|
// `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(!ease_in_active_);
|
|
ease_in_start_ = GetTickCount();
|
|
ease_in_active_ = true;
|
|
data_->controller->StartAnimation();
|
|
}
|
|
|
|
void DesktopNotificationController::Toast::StartEaseOut()
|
|
{
|
|
_ASSERT(!ease_out_active_);
|
|
ease_out_start_ = GetTickCount();
|
|
ease_out_active_ = true;
|
|
data_->controller->StartAnimation();
|
|
}
|
|
|
|
bool DesktopNotificationController::Toast::IsStackCollapseActive() const
|
|
{
|
|
return (vertical_pos_ != vertical_pos_target_);
|
|
}
|
|
|
|
float DesktopNotificationController::Toast::AnimateEaseIn()
|
|
{
|
|
if(!ease_in_active_)
|
|
return ease_in_pos_;
|
|
|
|
constexpr float duration = 500.0f;
|
|
float elapsed = GetTickCount() - ease_in_start_;
|
|
float time = std::min(duration, elapsed) / 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(!ease_out_active_)
|
|
return ease_out_pos_;
|
|
|
|
constexpr float duration = 120.0f;
|
|
float elapsed = GetTickCount() - ease_out_start_;
|
|
float time = std::min(duration, elapsed) / duration;
|
|
|
|
// accelerating circle ease
|
|
auto pos = 1.0f - std::sqrt(1 - time * time);
|
|
|
|
return pos;
|
|
}
|
|
|
|
float DesktopNotificationController::Toast::AnimateStackCollapse()
|
|
{
|
|
if(!IsStackCollapseActive())
|
|
return stack_collapse_pos_;
|
|
|
|
constexpr float duration = 500.0f;
|
|
float elapsed = GetTickCount() - stack_collapse_start_;
|
|
float time = std::min(duration, elapsed) / duration;
|
|
|
|
// decelerating exponential ease
|
|
const float a = -8.0f;
|
|
auto pos = (std::exp(a * time) - 1.0f) / (std::exp(a) - 1.0f);
|
|
|
|
return pos;
|
|
}
|
|
|
|
}
|