mirror of https://github.com/Wox-launcher/Wox
90 lines
3.3 KiB
Dart
90 lines
3.3 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_svg/svg.dart';
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import 'package:lottie/lottie.dart';
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import 'package:wox/components/wox_theme_icon_view.dart';
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import 'package:wox/entity/wox_image.dart';
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import 'package:wox/entity/wox_theme.dart';
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import 'package:wox/enums/wox_image_type_enum.dart';
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// Image cache to prevent flickering during refreshes
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class _ImageCache {
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static final Map<String, Widget> _cache = {};
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static Widget? get(String key) => _cache[key];
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static void put(String key, Widget widget) {
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if (_cache.length > 100) {
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// Limit cache size
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_cache.clear();
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}
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_cache[key] = widget;
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}
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}
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class WoxImageView extends StatelessWidget {
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final WoxImage woxImage;
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final double? width;
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final double? height;
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const WoxImageView({super.key, required this.woxImage, this.width, this.height});
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@override
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Widget build(BuildContext context) {
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// Create cache key based on image data and dimensions
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final cacheKey = '${woxImage.imageType}_${woxImage.imageData}_${width}_$height';
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// Check cache first to prevent flickering
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final cachedWidget = _ImageCache.get(cacheKey);
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if (cachedWidget != null) {
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return cachedWidget;
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}
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Widget imageWidget;
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if (woxImage.imageType == WoxImageTypeEnum.WOX_IMAGE_TYPE_URL.code) {
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imageWidget = Image.network(
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woxImage.imageData,
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width: width,
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height: height,
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fit: BoxFit.contain,
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errorBuilder: (context, error, stackTrace) {
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return SizedBox(width: width, height: height);
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},
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);
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} else if (woxImage.imageType == WoxImageTypeEnum.WOX_IMAGE_TYPE_ABSOLUTE_PATH.code) {
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// check if file exists
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if (!File(woxImage.imageData).existsSync()) {
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imageWidget = const SizedBox(width: 24, height: 24);
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} else {
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imageWidget = Image.file(File(woxImage.imageData), width: width, height: height);
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}
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} else if (woxImage.imageType == WoxImageTypeEnum.WOX_IMAGE_TYPE_SVG.code) {
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imageWidget = SvgPicture.string(woxImage.imageData, width: width, height: height);
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} else if (woxImage.imageType == WoxImageTypeEnum.WOX_IMAGE_TYPE_EMOJI.code) {
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imageWidget = Text(woxImage.imageData, style: TextStyle(fontSize: width));
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} else if (woxImage.imageType == WoxImageTypeEnum.WOX_IMAGE_TYPE_LOTTIE.code) {
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final bytes = utf8.encode(woxImage.imageData);
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imageWidget = Lottie.memory(bytes, width: width, height: height);
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} else if (woxImage.imageType == WoxImageTypeEnum.WOX_IMAGE_TYPE_THEME.code) {
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imageWidget = WoxThemeIconView(theme: WoxTheme.fromJson(jsonDecode(woxImage.imageData)), width: width, height: height);
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} else if (woxImage.imageType == WoxImageTypeEnum.WOX_IMAGE_TYPE_BASE64.code) {
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if (!woxImage.imageData.contains(";base64,")) {
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imageWidget = Text("Invalid image data: ${woxImage.imageData}", style: const TextStyle(color: Colors.red));
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} else {
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final imageData = woxImage.imageData.split(";base64,")[1];
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imageWidget = Image.memory(base64Decode(imageData), width: width, height: height, fit: BoxFit.contain);
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}
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} else {
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imageWidget = const SizedBox(width: 24, height: 24);
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}
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// Cache the widget to prevent future rebuilds
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_ImageCache.put(cacheKey, imageWidget);
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return imageWidget;
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}
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}
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