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132 changes: 132 additions & 0 deletions
132
app/src/main/kotlin/com/voxfinite/logvue/ui/components/common/Images.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| package com.voxfinite.logvue.ui.components.common | ||
|
|
||
| import androidx.compose.foundation.Image | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.produceState | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.ui.ExperimentalComposeUiApi | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.ImageBitmap | ||
| import androidx.compose.ui.graphics.painter.BitmapPainter | ||
| import androidx.compose.ui.graphics.painter.Painter | ||
| import androidx.compose.ui.graphics.vector.ImageVector | ||
| import androidx.compose.ui.layout.ContentScale | ||
| import androidx.compose.ui.res.loadImageBitmap | ||
| import androidx.compose.ui.res.loadSvgPainter | ||
| import androidx.compose.ui.res.loadXmlImageVector | ||
| import androidx.compose.ui.res.painterResource | ||
| import androidx.compose.ui.unit.Density | ||
| import com.voxfinite.logvue.utils.plugins.PluginsResourceLoader | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.withContext | ||
| import org.xml.sax.InputSource | ||
| import java.io.File | ||
| import java.io.IOException | ||
| import java.net.URL | ||
|
|
||
| @OptIn(ExperimentalComposeUiApi::class) | ||
| @Composable | ||
| fun CustomImage( | ||
| url: String?, | ||
| contentDescription: String, | ||
| modifier: Modifier = Modifier, | ||
| contentScale: ContentScale = ContentScale.Fit | ||
| ) { | ||
| if (url.isNullOrBlank()) return | ||
| if (url.startsWith("http://") || url.startsWith("https://")) { | ||
| NetworkImage(url, contentDescription, modifier, contentScale) | ||
| } else { | ||
| Image(painterResource(url, PluginsResourceLoader()), contentDescription, modifier, contentScale = contentScale) | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| fun NetworkImage( | ||
| url: String?, | ||
| contentDescription: String, | ||
| modifier: Modifier = Modifier, | ||
| contentScale: ContentScale = ContentScale.Fit | ||
| ) { | ||
| if (url.isNullOrBlank()) return | ||
| AsyncImage( | ||
| load = { loadImageBitmap(url) }, | ||
| painterFor = { remember { BitmapPainter(it) } }, | ||
| contentDescription, modifier, contentScale | ||
| ) | ||
| } | ||
|
|
||
| @Composable | ||
| fun <T> AsyncImage( | ||
| load: suspend () -> T, | ||
| painterFor: @Composable (T) -> Painter, | ||
| contentDescription: String, | ||
| modifier: Modifier = Modifier, | ||
| contentScale: ContentScale = ContentScale.Fit, | ||
| ) { | ||
| // should cache image | ||
| val image: T? by produceState<T?>(null) { | ||
| value = withContext(Dispatchers.IO) { | ||
| try { | ||
| load() | ||
| } catch (e: IOException) { | ||
| // instead of printing to console, you can also write this to log, | ||
| // or show some error placeholder | ||
| e.printStackTrace() | ||
| null | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if (image != null) { | ||
| Image( | ||
| painter = painterFor(image!!), | ||
| contentDescription = contentDescription, | ||
| contentScale = contentScale, | ||
| modifier = modifier | ||
| ) | ||
| } | ||
| } | ||
|
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|
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| /* Loading from file with java.io API */ | ||
|
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| fun loadImageBitmap(file: File): ImageBitmap = | ||
| file.inputStream().buffered().use(::loadImageBitmap) | ||
|
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| fun loadSvgPainter(file: File, density: Density): Painter = | ||
| file.inputStream().buffered().use { loadSvgPainter(it, density) } | ||
|
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| fun loadXmlImageVector(file: File, density: Density): ImageVector = | ||
| file.inputStream().buffered().use { loadXmlImageVector(InputSource(it), density) } | ||
|
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| /* Loading from network with java.net API */ | ||
|
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| fun loadImageBitmap(url: String): ImageBitmap = | ||
| URL(url).openStream().buffered().use(::loadImageBitmap) | ||
|
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| fun loadSvgPainter(url: String, density: Density): Painter = | ||
| URL(url).openStream().buffered().use { loadSvgPainter(it, density) } | ||
|
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| fun loadXmlImageVector(url: String, density: Density): ImageVector = | ||
| URL(url).openStream().buffered().use { loadXmlImageVector(InputSource(it), density) } | ||
|
|
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| /* Loading from network with Ktor client API (https://ktor.io/docs/client.html). */ | ||
|
|
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| /* | ||
| suspend fun loadImageBitmap(url: String): ImageBitmap = | ||
| urlStream(url).use(::loadImageBitmap) | ||
| suspend fun loadSvgPainter(url: String, density: Density): Painter = | ||
| urlStream(url).use { loadSvgPainter(it, density) } | ||
| suspend fun loadXmlImageVector(url: String, density: Density): ImageVector = | ||
| urlStream(url).use { loadXmlImageVector(InputSource(it), density) } | ||
| @OptIn(KtorExperimentalAPI::class) | ||
| private suspend fun urlStream(url: String) = HttpClient(CIO).use { | ||
| ByteArrayInputStream(it.get(url)) | ||
| } | ||
| */ |
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28 changes: 28 additions & 0 deletions
28
app/src/main/kotlin/com/voxfinite/logvue/utils/plugins/PluginsResourceLoader.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| package com.voxfinite.logvue.utils.plugins | ||
|
|
||
| import androidx.compose.ui.ExperimentalComposeUiApi | ||
| import androidx.compose.ui.res.ResourceLoader | ||
| import java.io.InputStream | ||
|
|
||
| @OptIn(ExperimentalComposeUiApi::class) | ||
| class PluginsResourceLoader : ResourceLoader { | ||
| override fun load(resourcePath: String): InputStream { | ||
| PluginsHelper.pluginManager.resolvedPlugins.forEach { | ||
| val classLoader = it.pluginClassLoader | ||
| val resource = try { | ||
| classLoader.getResourceAsStream(resourcePath) | ||
| } catch (ignore : Exception) { | ||
| null | ||
| } | ||
| if (resource != null) { | ||
| return resource | ||
| } | ||
| } | ||
| // TODO(https://github.com/JetBrains/compose-jb/issues/618): probably we shouldn't use | ||
| // contextClassLoader here, as it is not defined in threads created by non-JVM | ||
| val contextClassLoader = Thread.currentThread().contextClassLoader!! | ||
| val resource = contextClassLoader.getResourceAsStream(resourcePath) | ||
| ?: (::PluginsResourceLoader.javaClass).getResourceAsStream(resourcePath) | ||
| return requireNotNull(resource) { "Resource $resourcePath not found" } | ||
| } | ||
| } |