114 lines
2.6 KiB
Go
114 lines
2.6 KiB
Go
package main
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import (
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_ "embed"
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"encoding/base64"
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"fmt"
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"log"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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//go:embed web/overlay.html
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var overlayHTML string
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//go:embed web/themes/aurora.html
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var themeAurora string
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//go:embed web/themes/starfield.html
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var themeStarfield string
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//go:embed web/themes/gradient.html
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var themeGradient string
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//go:embed web/themes/particles.html
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var themeParticles string
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var themeMap = map[ThemeName]string{
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ThemeAurora: themeAurora,
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ThemeStar: themeStarfield,
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ThemeGradient: themeGradient,
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ThemeParticle: themeParticles,
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}
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func buildWallpaperHTML(cfg *Config) string {
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var bg string
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switch cfg.WallpaperType {
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case WPTheme:
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if t, ok := themeMap[cfg.Theme]; ok {
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bg = t
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} else {
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bg = themeAurora
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}
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case WPImage:
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if cfg.ImagePath != "" {
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src := imageToDataURI(cfg.ImagePath)
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if src != "" {
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bg = fmt.Sprintf(`<img src="%s" style="position:fixed;top:0;left:0;width:100%%;height:100%%;object-fit:cover;z-index:1;">`, src)
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}
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}
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case WPBing:
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bingPath := filepath.Join(configDir(), "bing_wallpaper.jpg")
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if _, err := os.Stat(bingPath); err == nil {
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src := imageToDataURI(bingPath)
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if src != "" {
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bg = fmt.Sprintf(`<img src="%s" style="position:fixed;top:0;left:0;width:100%%;height:100%%;object-fit:cover;z-index:1;">`, src)
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}
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}
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case WPColor:
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if cfg.ColorGradient && cfg.Color2 != "" {
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bg = fmt.Sprintf(`<div style="position:fixed;top:0;left:0;width:100%%;height:100%%;z-index:1;background:linear-gradient(135deg,%s,%s);"></div>`, cfg.Color1, cfg.Color2)
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} else {
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bg = fmt.Sprintf(`<div style="position:fixed;top:0;left:0;width:100%%;height:100%%;z-index:1;background:%s;"></div>`, cfg.Color1)
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}
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}
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if bg == "" {
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bg = themeAurora
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}
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return strings.Replace(overlayHTML, "{{BACKGROUND}}", bg, 1)
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}
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func imageToDataURI(path string) string {
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data, err := os.ReadFile(path)
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if err != nil {
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log.Println("读取图片失败:", err)
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return ""
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}
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ext := strings.ToLower(filepath.Ext(path))
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mime := "image/jpeg"
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switch ext {
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case ".png":
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mime = "image/png"
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case ".gif":
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mime = "image/gif"
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case ".webp":
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mime = "image/webp"
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case ".bmp":
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mime = "image/bmp"
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}
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return fmt.Sprintf("data:%s;base64,%s", mime, base64.StdEncoding.EncodeToString(data))
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}
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func reloadWallpaper() {
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if wv == nil || wvHwnd == 0 {
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return
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}
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cfg := loadConfig()
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html := buildWallpaperHTML(cfg)
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select {
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case htmlQueue <- html:
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default:
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}
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procPostMessageW.Call(wvHwnd, wmSetHtml, 0, 0)
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go func() {
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time.Sleep(1 * time.Second)
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evalJS(fmt.Sprintf(`window.userZodiac = %q;`, cfg.Zodiac))
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city := getCurrentCity()
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go fetchAndPushWeather(city)
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}()
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}
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