siyuan/kernel/model/appearance.go

345 lines
9.2 KiB
Go

// SiYuan - Build Your Eternal Digital Garden
// Copyright (c) 2020-present, b3log.org
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package model
import (
"errors"
"fmt"
"os"
"path/filepath"
"strings"
"sync"
"time"
"github.com/88250/gulu"
"github.com/fsnotify/fsnotify"
"github.com/siyuan-note/siyuan/kernel/util"
)
func InitAppearance() {
util.SetBootDetails("Initializing appearance...")
if err := os.Mkdir(util.AppearancePath, 0755); nil != err && !os.IsExist(err) {
util.LogFatalf("create appearance folder [%s] failed: %s", util.AppearancePath, err)
}
unloadThemes()
from := filepath.Join(util.WorkingDir, "appearance")
if err := gulu.File.Copy(from, util.AppearancePath); nil != err {
util.LogFatalf("copy appearance resources from [%s] to [%s] failed: %s", from, util.AppearancePath, err)
}
loadThemes()
if !gulu.Str.Contains(Conf.Appearance.ThemeDark, Conf.Appearance.DarkThemes) {
Conf.Appearance.ThemeDark = "midnight"
Conf.Appearance.ThemeJS = false
}
if !gulu.Str.Contains(Conf.Appearance.ThemeLight, Conf.Appearance.LightThemes) {
Conf.Appearance.ThemeLight = "daylight"
Conf.Appearance.ThemeJS = false
}
loadIcons()
if !gulu.Str.Contains(Conf.Appearance.Icon, Conf.Appearance.Icons) {
Conf.Appearance.Icon = "material"
}
Conf.Save()
}
var themeWatchers = sync.Map{} // [string]*fsnotify.Watcher{}
func closeThemeWatchers() {
themeWatchers.Range(func(key, value interface{}) bool {
if err := value.(*fsnotify.Watcher).Close(); nil != err {
util.LogErrorf("close file watcher failed: %s", err)
}
return true
})
}
func unloadThemes() {
if !gulu.File.IsDir(util.ThemesPath) {
return
}
dir, err := os.Open(util.ThemesPath)
if nil != err {
util.LogErrorf("open appearance themes folder [%s] failed: %s", util.ThemesPath, err)
return
}
themeDirs, err := dir.Readdir(-1)
if nil != err {
util.LogErrorf("read appearance themes folder failed: %s", err)
return
}
dir.Close()
for _, themeDir := range themeDirs {
if !themeDir.IsDir() {
continue
}
unwatchTheme(filepath.Join(util.ThemesPath, themeDir.Name()))
}
}
func loadThemes() {
dir, err := os.Open(util.ThemesPath)
if nil != err {
util.LogFatalf("open appearance themes folder [%s] failed: %s", util.ThemesPath, err)
}
themeDirs, err := dir.Readdir(-1)
if nil != err {
util.LogFatalf("read appearance themes folder failed: %s", err)
}
dir.Close()
Conf.Appearance.DarkThemes = nil
Conf.Appearance.LightThemes = nil
for _, themeDir := range themeDirs {
if !themeDir.IsDir() {
continue
}
name := themeDir.Name()
themeConf, err := themeJSON(name)
if nil != err || nil == themeConf {
continue
}
modes := themeConf["modes"].([]interface{})
for _, mode := range modes {
if "dark" == mode {
Conf.Appearance.DarkThemes = append(Conf.Appearance.DarkThemes, name)
} else if "light" == mode {
Conf.Appearance.LightThemes = append(Conf.Appearance.LightThemes, name)
}
}
if 0 == Conf.Appearance.Mode {
if Conf.Appearance.ThemeLight == name {
Conf.Appearance.ThemeVer = themeConf["version"].(string)
Conf.Appearance.ThemeJS = gulu.File.IsExist(filepath.Join(util.ThemesPath, name, "theme.js"))
}
} else {
if Conf.Appearance.ThemeDark == name {
Conf.Appearance.ThemeVer = themeConf["version"].(string)
Conf.Appearance.ThemeJS = gulu.File.IsExist(filepath.Join(util.ThemesPath, name, "theme.js"))
}
}
go watchTheme(filepath.Join(util.ThemesPath, name))
}
}
func themeJSON(themeName string) (ret map[string]interface{}, err error) {
p := filepath.Join(util.ThemesPath, themeName, "theme.json")
if !gulu.File.IsExist(p) {
err = os.ErrNotExist
return
}
data, err := os.ReadFile(p)
if nil != err {
util.LogErrorf("read theme.json [%s] failed: %s", p, err)
return
}
if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
util.LogErrorf("parse theme.json [%s] failed: %s", p, err)
return
}
if 5 > len(ret) {
util.LogWarnf("invalid theme.json [%s]", p)
return nil, errors.New("invalid theme.json")
}
return
}
func iconJSON(iconName string) (ret map[string]interface{}, err error) {
p := filepath.Join(util.IconsPath, iconName, "icon.json")
if !gulu.File.IsExist(p) {
err = os.ErrNotExist
return
}
data, err := os.ReadFile(p)
if nil != err {
util.LogErrorf("read icon.json [%s] failed: %s", p, err)
return
}
if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
util.LogErrorf("parse icon.json [%s] failed: %s", p, err)
return
}
if 4 > len(ret) {
util.LogWarnf("invalid icon.json [%s]", p)
return nil, errors.New("invalid icon.json")
}
return
}
func templateJSON(templateName string) (ret map[string]interface{}, err error) {
p := filepath.Join(util.DataDir, "templates", templateName, "template.json")
if !gulu.File.IsExist(p) {
err = os.ErrNotExist
return
}
data, err := os.ReadFile(p)
if nil != err {
util.LogErrorf("read template.json [%s] failed: %s", p, err)
return
}
if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
util.LogErrorf("parse template.json [%s] failed: %s", p, err)
return
}
if 4 > len(ret) {
util.LogWarnf("invalid template.json [%s]", p)
return nil, errors.New("invalid template.json")
}
return
}
func widgetJSON(widgetName string) (ret map[string]interface{}, err error) {
p := filepath.Join(util.DataDir, "widgets", widgetName, "widget.json")
if !gulu.File.IsExist(p) {
err = os.ErrNotExist
return
}
data, err := os.ReadFile(p)
if nil != err {
util.LogErrorf("read widget.json [%s] failed: %s", p, err)
return
}
if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
util.LogErrorf("parse widget.json [%s] failed: %s", p, err)
return
}
if 4 > len(ret) {
util.LogWarnf("invalid widget.json [%s]", p)
return nil, errors.New("invalid widget.json")
}
return
}
func loadIcons() {
dir, err := os.Open(util.IconsPath)
if nil != err {
util.LogFatalf("open appearance icons folder [%s] failed: %s", util.IconsPath, err)
}
iconDirs, err := dir.Readdir(-1)
if nil != err {
util.LogFatalf("read appearance icons folder failed: %s", err)
}
dir.Close()
Conf.Appearance.Icons = nil
for _, iconDir := range iconDirs {
if !iconDir.IsDir() {
continue
}
name := iconDir.Name()
iconConf, err := iconJSON(name)
if nil != err || nil == iconConf {
continue
}
Conf.Appearance.Icons = append(Conf.Appearance.Icons, name)
if Conf.Appearance.Icon == name {
Conf.Appearance.IconVer = iconConf["version"].(string)
}
}
}
func unwatchTheme(folder string) {
val, _ := themeWatchers.Load(folder)
if nil != val {
themeWatcher := val.(*fsnotify.Watcher)
themeWatcher.Close()
}
}
func watchTheme(folder string) {
val, _ := themeWatchers.Load(folder)
var themeWatcher *fsnotify.Watcher
if nil != val {
themeWatcher = val.(*fsnotify.Watcher)
themeWatcher.Close()
}
var err error
if themeWatcher, err = fsnotify.NewWatcher(); nil != err {
util.LogErrorf("add theme file watcher for folder [%s] failed: %s", folder, err)
return
}
themeWatchers.Store(folder, themeWatcher)
done := make(chan bool)
go func() {
for {
select {
case event, ok := <-themeWatcher.Events:
if !ok {
return
}
//util.LogInfof(event.String())
if event.Op&fsnotify.Write == fsnotify.Write &&
(strings.HasSuffix(event.Name, "theme.css") || strings.HasSuffix(event.Name, "custom.css")) {
var themeName string
if themeName = isCurrentUseTheme(event.Name); "" == themeName {
break
}
if strings.HasSuffix(event.Name, "theme.css") {
util.BroadcastByType("main", "refreshtheme", 0, "", map[string]interface{}{
"theme": "/appearance/themes/" + themeName + "/theme.css?" + fmt.Sprintf("%d", time.Now().Unix()),
})
break
}
if strings.HasSuffix(event.Name, "custom.css") {
util.BroadcastByType("main", "refreshtheme", 0, "", map[string]interface{}{
"theme": "/appearance/themes/" + themeName + "/custom.css?" + fmt.Sprintf("%d", time.Now().Unix()),
})
break
}
}
case err, ok := <-themeWatcher.Errors:
if !ok {
return
}
util.LogErrorf("watch theme file failed: %s", err)
}
}
}()
//util.LogInfof("add file watcher [%s]", folder)
if err := themeWatcher.Add(folder); err != nil {
util.LogErrorf("add theme files watcher for folder [%s] failed: %s", folder, err)
}
<-done
}
func isCurrentUseTheme(themePath string) string {
themeName := filepath.Base(filepath.Dir(themePath))
if 0 == Conf.Appearance.Mode { // 明亮
if Conf.Appearance.ThemeLight == themeName {
return themeName
}
} else if 1 == Conf.Appearance.Mode { // 暗黑
if Conf.Appearance.ThemeDark == themeName {
return themeName
}
}
return ""
}