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Merge pull request #56 from KevinSchildhorn/ks/AddingCoil
Ks/adding coil
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87 changes: 87 additions & 0 deletions
87
shared/src/androidMain/kotlin/com/kevinschildhorn/fotopresenter/SMBJFetcher.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package com.kevinschildhorn.fotopresenter | ||
|
|
||
| import android.content.Context | ||
| import android.graphics.Bitmap | ||
| import android.graphics.BitmapFactory | ||
| import coil3.ImageLoader | ||
| import coil3.asImage | ||
| import coil3.decode.DataSource | ||
| import coil3.fetch.FetchResult | ||
| import coil3.fetch.Fetcher | ||
| import coil3.fetch.ImageFetchResult | ||
| import coil3.request.Options | ||
| import com.hierynomus.smbj.share.File | ||
| import com.kevinschildhorn.fotopresenter.data.datasources.ImageCacheDataSource | ||
| import com.kevinschildhorn.fotopresenter.data.network.NetworkDirectoryDetails | ||
| import com.kevinschildhorn.fotopresenter.data.network.NetworkHandler | ||
| import com.kevinschildhorn.fotopresenter.ui.shared.DriverFactory | ||
| import com.kevinschildhorn.fotopresenter.ui.shared.SharedCache | ||
| import com.kevinschildhorn.fotopresenter.ui.shared.getScaledDimensions | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.withContext | ||
| import kotlin.math.roundToInt | ||
|
|
||
| class SMBJFetcher( | ||
| private val directoryDetails: NetworkDirectoryDetails, | ||
| private val networkHandler: NetworkHandler, | ||
| context: Context, | ||
| ) : Fetcher { | ||
|
|
||
| val imageCacheDataSource = ImageCacheDataSource( | ||
| cache = SharedCache, | ||
| driver = DriverFactory(context).createDriver(), | ||
| logger = baseLogger.withTag("ImageCacheDataSource") | ||
| ) | ||
|
|
||
| override suspend fun fetch(): FetchResult? { | ||
| return withContext(Dispatchers.IO) { | ||
| imageCacheDataSource.getImage(directoryDetails) | ||
| if (networkHandler.isConnected) { | ||
| val image = networkHandler.openImage(path = directoryDetails.fullPath) | ||
| val file = image?.file | ||
| if (file != null) { | ||
| val bitmap = getBitmapFromFile(file, 64) | ||
| if (bitmap != null) { | ||
| file.close() | ||
| ImageFetchResult( | ||
| image = bitmap.asImage(), | ||
| isSampled = true, | ||
| dataSource = DataSource.NETWORK, | ||
| ) | ||
| } else { | ||
| throw Exception("Failed to fetch image from FTP") | ||
| } | ||
| } else { | ||
| throw Exception("Failed to fetch image from FTP") | ||
| } | ||
| } else { | ||
| throw Exception("Failed to fetch image from FTP") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun getBitmapFromFile(file: File, size: Int): Bitmap? { | ||
|
|
||
| val options = BitmapFactory.Options() | ||
| options.inJustDecodeBounds = true | ||
| BitmapFactory.decodeStream(file.inputStream, null, options) | ||
|
|
||
| val height: Int = options.outHeight | ||
| val width: Int = options.outWidth | ||
| val dimensions = getScaledDimensions(width, height, size) | ||
| val heightRatio: Int = (height.toFloat() / dimensions.second.toFloat()).roundToInt() | ||
| val widthRatio: Int = (width.toFloat() / dimensions.first.toFloat()).roundToInt() | ||
| options.inSampleSize = if (heightRatio < widthRatio) heightRatio else widthRatio | ||
|
|
||
| options.inJustDecodeBounds = false | ||
| return BitmapFactory.decodeStream(file.inputStream, null, options) | ||
| } | ||
|
|
||
| class Factory(private val networkHandler: NetworkHandler) : Fetcher.Factory<NetworkDirectoryDetails> { | ||
| override fun create( | ||
| data: NetworkDirectoryDetails, | ||
| options: Options, | ||
| imageLoader: ImageLoader | ||
| ): Fetcher? = SMBJFetcher(data, networkHandler, options.context) | ||
| } | ||
| } |
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