some work on the quick search dialog + image load refactoring

2023-11-05 14:07:52 -08:00
parent 0439ec695b
commit e10b751a4f
4 changed files with 215 additions and 32 deletions
@@ -0,0 +1,154 @@
+package dialogs
+
+import (
+	"image"
+	"sync"
+
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/layout"
+	"fyne.io/fyne/v2/theme"
+	"fyne.io/fyne/v2/widget"
+	"github.com/dweymouth/supersonic/backend"
+	"github.com/dweymouth/supersonic/backend/mediaprovider"
+	myTheme "github.com/dweymouth/supersonic/ui/theme"
+	"github.com/dweymouth/supersonic/ui/widgets"
+)
+
+type QuickSearch struct {
+	widget.BaseWidget
+
+	mp *mediaprovider.MediaProvider
+	im *backend.ImageManager
+
+	resultsMutex  sync.RWMutex
+	searchResults []*mediaprovider.SearchResult
+	list          *widget.List
+	selectedIndex int
+
+	content *fyne.Container
+}
+
+func NewQuickSearch(mp *mediaprovider.MediaProvider, im *backend.ImageManager) *QuickSearch {
+	q := &QuickSearch{
+		mp: mp,
+		im: im,
+	}
+	q.ExtendBaseWidget(q)
+
+	searchEntry := widgets.NewSearchEntry()
+	searchEntry.OnChanged = q.onSearched
+	q.list = widget.NewList(
+		func() int {
+			q.resultsMutex.RLock()
+			defer q.resultsMutex.RUnlock()
+			return len(q.searchResults)
+		},
+		func() fyne.CanvasObject { return newQuickSearchResult(im) },
+		func(lii widget.ListItemID, co fyne.CanvasObject) {
+			var result *mediaprovider.SearchResult
+			q.resultsMutex.RLock()
+			if len(q.searchResults) > lii {
+				result = q.searchResults[lii]
+			}
+			q.resultsMutex.RUnlock()
+			co.(*quickSearchResult).Update(result)
+		},
+	)
+	q.content = container.NewVBox(
+		container.NewHBox(
+			layout.NewSpacer(),
+			widget.NewRichText(&widget.TextSegment{Text: "Quick Search", Style: boldStyle}),
+			layout.NewSpacer()),
+		container.NewBorder(searchEntry, nil, nil, nil, q.list),
+	)
+	return q
+}
+
+func (q *QuickSearch) onSearched(query string) {
+}
+
+func (q *QuickSearch) CreateRenderer() fyne.WidgetRenderer {
+	return widget.NewSimpleRenderer(q.content)
+}
+
+type quickSearchResult struct {
+	widget.BaseWidget
+
+	//	parent *QuickSearch
+
+	imageLoader backend.ThumbnailLoader
+
+	image     *widgets.ImagePlaceholder
+	title     *widget.Label
+	secondary *widget.RichText
+	selection *canvas.Rectangle
+
+	content *fyne.Container
+}
+
+func newQuickSearchResult(im *backend.ImageManager) *quickSearchResult {
+	qs := &quickSearchResult{
+		image:     widgets.NewImagePlaceholder(myTheme.AlbumIcon, 64),
+		title:     widget.NewLabel(""),
+		secondary: widget.NewRichText(),
+	}
+	qs.ExtendBaseWidget(qs)
+	qs.imageLoader = im.NewThumbnailLoader(func(im image.Image) {
+		qs.image.SetImage(im, false)
+	})
+	qs.imageLoader.OnBeforeLoad = func() {
+		qs.image.SetImage(nil, false)
+	}
+
+	return qs
+}
+
+func (q *quickSearchResult) Update(result *mediaprovider.SearchResult) {
+	if result == nil {
+		return
+	}
+	q.image.CenterIcon = placeholderIconForContentType(result.Type)
+	q.imageLoader.Load(result.CoverID)
+	q.title.SetText(result.Name)
+	//TODO: q.secondary.Segments =
+}
+
+func (q *quickSearchResult) CreateRenderer() fyne.WidgetRenderer {
+	if q.selection == nil {
+		q.selection = canvas.NewRectangle(theme.SelectionColor())
+	}
+	if q.content == nil {
+		q.content = container.NewMax(
+			q.selection,
+			container.NewBorder(nil, nil, q.image, nil,
+				container.NewVBox(
+					q.title,
+					q.secondary,
+				)),
+		)
+	}
+	return widget.NewSimpleRenderer(q.content)
+}
+
+func (q *quickSearchResult) Refresh() {
+	q.BaseWidget.Refresh()
+}
+
+func placeholderIconForContentType(c mediaprovider.ContentType) fyne.Resource {
+	switch c {
+	case mediaprovider.ContentTypeAlbum:
+		return myTheme.AlbumIcon
+	case mediaprovider.ContentTypeArtist:
+		return myTheme.ArtistIcon
+	case mediaprovider.ContentTypeTrack:
+		return myTheme.TracksIcon
+	case mediaprovider.ContentTypeGenre:
+		return myTheme.GenreIcon
+	case mediaprovider.ContentTypePlaylist:
+		return myTheme.PlaylistIcon
+	default:
+		return theme.WarningIcon() // unreached
+	}
+}